49results about How to "Meet the adjustment" patented technology

The invention relates to a wireless image transmission communication system for an unmanned aerial vehicle and a wireless image transmission communication method. The wireless image transmission communication system comprises a digital camera, a control module and a power module, and is characterized in that the wireless image transmission communication system further comprises a wireless communication module for real-time data transmission with a ground monitoring center, the wireless communication module comprises a reconfigurable high-speed digital modulation unit and a digital transmission transmitter, the reconfigurable high-speed digital modulation unit is used for selecting a digital modulation mode to digitally modulate serial data stream according to the modulation mode of a remote control command of the ground monitoring center, the digital transmission transmitter is used for transmitting data by the aid of microwaves, and the reconfigurable high-speed digital modulation unit comprises a series-to-parallel portion, a sampling control portion and a carrier wave multiplication portion. By adding the reconfigurable multi-mode modulator, modulation modes can be changed in an online manner according to the quality of a signal channel environment, and high-resolution image data can be transmitted in real time even in a severe transmission environment.

The invention discloses an automatic thickness control system and method of a blown film. The automatic thickness control system of the blown film comprises a film thickness detection module, a film thickness control module, a film cooling and forming mold with a plurality of brushless direct-current motors as well as a control panel. According to the invention, an FPGA (field programmable gate array) control chip of a programmable logic device is utilized to achieve a fuzzy control algorithm so as to obtain the speed control quantity of the brushless direct-current motors; by combining a double-closed-ring control algorithm for the brushless direct-current motors a control signal output by the FPGA control chip is changed and adjusted correspondingly when the thickness of the film is changed; the thickness uniformity of the films at different circumferential parts can be controlled by acquiring horizontal thicknesses of the films at controlled subzones and the positions of air flue openings corresponding to the films via transmission and decoupling control, so that the control requirement on horizontal thickness uniformity of the films can be met; the automatic thickness control system and method of the blown film are high in integrity, small in volume, good in robust performance, stable and reliable in operation, high in expansibility, high in control precision, low in accumulative error, and high in adaptability.

The invention provides a closed circulatory phase-change heat supply system for heat and power cogeneration, comprising a boiler, a turbine generator set, a heat accumulator, a heat device, a drain tank, a water storage tank, an economizer and an assorted connection pipe, a water pump, a control valve and the like. A steam pipe of the boiler for steam supply is connected with a steam inlet of the heat accumulator and a steam inlet of the turbine generator set; a steam supply inlet of the heat accumulator and a steam pumping and exhausting outlet of the turbine generator set are respectively connected with a steam inlet of the heat device to ensure that the heat accumulator adjusts the load of a heat supply system; the condensate water of the heat device is collected in the water storage tank after passing through the drain tank via a condensate water pipe; and a water outlet pipe of the water storage tank is connected to the economizer of the boiler, therefore, an enclosed circulatory heat supply system is formed. During the running of the system, the condensate water is not flashed and lost under the saturated high-temperature state, therefore, the heat utilization rate of the system is improved, both the whole system and the running are simplified, and the project investment and the operation cost are reduced.

The invention discloses a simulation experiment device of high-rise building three-dimensional fire behaviors under the effect of environment wind. The device comprises a high-rise building model, a rotary platform, a direction adjustable wind hole, a three-dimensional movable thermoelectric coupling frame and a fire source simulating device. The high-rise building model is a cuboid shell and is divided into four chambers, wherein the ignition experiment chamber is provided with the fire source simulating device and a size adjustable building window model. The bottom of the high-rise building model is connected with the rotary platform and matched with the external direction adjustable wind hole so that environment wind in any direction at any wind speed can be simulated. The three-dimensional movable thermoelectric coupling frame is of a combined rectangular structure, and the parameter measurement function of any position of an external wall surface can be achieved. The simulation experiment device for studying high-rise building three-dimensional fire spreading under the effect of environment wind is established for the first time, a wind direction adjusting system is safe, convenient to use and precise, the experiment device is provided with a complete parameter measuring system, and the complete process of a high-rise building from fire starting, flame spreading to final spreading towards the upper layer and adjacent side of the building can be studied.

The invention discloses an orbit and attitude control integrated space marching system based on an electric pump. The orbit and attitude control integrated space marching system comprises a high-pressure air bottle, an oxidizing agent storage tank, a fuel storage tank, an electric pump system, an oxidizing agent pressure accumulator, a fuel pressure accumulator, an orbit-control engine and attitude-control engines; the high-pressure air bottle is connected with the oxidizing agent storage tank and the fuel storage tank through a pipeline I, the oxidizing agent storage tank and the fuel storagetank are connected with the electric pump system through a pipeline II and a pipeline III correspondingly, the electric pump system is connected with the orbit-control engine and the oxidizing agentpressure accumulator and the fuel pressure accumulator through a pipeline V and a pipeline VI correspondingly, and the oxidizing agent pressure accumulator and the fuel pressure accumulator are connected with the attitude-control engines through a pipeline VII and a pipeline VIII correspondingly. The electric pump system controls the rotating speed and the lift of a motor pump through an actuator,the pressure and flow of an oxidizing agent and fuel supplied for the engines are controlled, the adjustment is convenient, and the supplying requirements for a propellant of large-range thrust adjustment and multi-time starting and stopping of the orbit-control engine can be met.

The invention provides a power regulation circuit for a linear LED (light-emitting diode) drive power supply. The power regulation circuit comprises a detection circuit and a control circuit, wherein the input end of the detection circuit is connected to a detection point and second reference voltage, the detection circuit is configured to output a first signal when judging that the voltage of the detection point and the second reference voltage meet a preset relationship, and the voltage of the detection point is linearly proportional to voltage applied to an LED; the input end of the control circuit is connected to the output end of the detection circuit, the output end of the control circuit is connected to a gate of a first MOS (metal oxide semiconductor) transistor, and the control circuit is configured to control the first MOS transistor to be switched off when receiving the first signal from the detection circuit. According to the power regulation circuit, when the value of input voltage is higher than a threshold value, the MOS transistor is switched off through the control circuit to reduce power loss during high-voltage input; in addition, reference voltage of a compensation circuit is changed to increase current during low-voltage input and reduce current during high-voltage input to meet the requirements of a user on linear regulation rate and load regulation rate.

The invention provides a split type crucible for crystal growth of silicon carbide. The crucible comprises the following components: a raw material chamber for containing raw materials for crystal growth of SiC; a growth chamber which is nested on the upper part of the raw material chamber in relative movement mode in order to form a crystallization area of crystal, wherein the growth chamber comprises a growth chamber, and a seed crystal holder which is arranged on a upper wall of the growth chamber; and a double layer structure which is formed by sidewalls of the growth chamber and comprises an inner cylinder and an outer cylinder. The crucible can be used for adjusting distance between the crystal surface and the raw material surface in a process of growth, and the stability of a temperature field is kept.

The invention discloses a medical nursing frame. A roller is movably connected at each of four corners of the bottom end of a bottom plate through a supporting frame, vertical plates are fixedly connected at the left end and the right end of the upper plate surface of the bottom plate, one group of partition plates are arranged between the two vertical plates, two T-shaped grooves are vertically formed in the front side and the rear side of each vertical plate, each partition plate is movably connected with the left vertical plate and the right vertical plate through a mounting component, eachmounting component comprises mounting box groups which are symmetrically arranged at the left end and the right end of the corresponding partition plate, each mounting box group comprises two mounting boxes which are parallelly arranged on the front side and the rear side of the corresponding partition plate, and a movable block is arranged on the outer side of each mounting box. According to actual requirements, the movable blocks can be conveniently and vertically moved and are smooth and flexible to move and reliable in locking, so that the distance between two adjacent partition plates isconveniently adjusted.

The invention discloses an automatic weighing and feeding device which comprises a hopper and a plurality of corresponding feeding devices connected to the hopper. Each feeding device comprises a storage tank and a corresponding conveyor, wherein the storage tank is connected to the hopper through the corresponding conveyor, and the conveyor is connected to a corresponding controller through electric signals. The automatic weighing and feeding device is simple and reasonable in structure, convenient to use and operate, accurate in automatic discharging, and capable of completely meeting technological requirements and improving product quality.

The invention relates to a nitrogen and phosphorus removal system for treating circulating cooling discharge water of a power plant, and belongs to the technical field of sewage treatment. According to the system, a carbon source and a deoxidant are added into circulating cooling discharge water with high-nitrogen, low carbon and high-dissolved-oxygen to keep an appropriate carbon nitrogen ratio and water intake dissolved-oxygen concentration; the sewage flows through a composite biofilter, denitrifying bacteria grow as a biofilm in the composite biofilter filling, nitrogen in a polluted water sample is removed by utilizing the denitrification effect, and the upper part of a biological filling region is aerated to carbonize residual organic matters; partial ammonia nitrogen and suspended solids in the sewage are synchronously entrapped by means of adsorption and filtration of multi-stage filter materials; a phosphorus removing agent is added into effluent of the composite biofilter, flocculated phosphorus enters an active sand filter, phosphorus is removed by filtering, and suspended solids can be further removed. The nitrogen and phosphorus removal system is applicable to a circulating cooling discharge water treatment engineering of a power plant and nitrogen and phosphorus removal deep treatment of other wastewater with similar qualities.

The invention relates to a method for measuring molten salt chloride residues and recycling chemical components in regenerated substances, and belongs to the technical field of detection analysis of element component content. The method comprises the following steps: weighing a to-be-measured sample, dissolving the to-be-measured sample with a dilute nitric acid solution, adding water to dilute in a special solid-liquid dilution ratio to form a to-be-measured solution; and then, measuring the content of chemical elements such as potassium, iron, magnesium, manganese, calcium, chromium, nickel, vanadium, titanium, copper and lead in the to-be-measured solution through an inductive coupling plasma atomic emission spectroscopy. The method disclosed by the invention can be used for simultaneously obtaining the contents of molten salt chloride residues and the chemical element components in the recycled generated substance sample by one step, simple, quick, few in operation step, few in disturbing influence factor, high in measuring efficiency for the substrate components and trace impurities, short in inspection period and low in analysis cost.

The invention relates to a truck loading pose adjusting device and an adjusting method thereof, and belongs to the technical field of truck pose adjustment. The adjusting device comprises movable platforms, steel wheels and a hydraulic cylinder, wherein the steel wheels are positioned below the two sides of the movable platforms, and the hydraulic cylinder is used for driving the movable platforms; three sets of the movable platforms are arranged, the three sets of movable platforms are located in three pits of the ground respectively, and the distances between the three sets of movable platforms correspond to the intervals between three sets of wheels of the truck respectively; guide rails are arranged below the steel wheels in the pits, the steel wheels slides along the guide rails to achieve the movement of the movable platforms in the width direction, so that the problems that an existing automatic loading system is difficult to accurately place the truck on the loading position and truck position and angle adjustment are encountered during loading are solved, the automation degree of the automatic loading system is improved, the loading efficiency is improved, and the labor cost is saved.

The invention discloses polyethylene resin for a large-diameter winding pipe and an industrial production method thereof. According to the invention, polyethylene powder with high density and narrow molecular weight distribution is produced by adopting a double-ring pipe slurry process and a chromium catalyst, and is subjected to melt extrusion granulation with a main antioxidant, an auxiliary antioxidant, stearic acid and the like to obtain the polyethylene resin. The large-diameter winding pipe made of the polyethylene resin has the advantages of light weight, convenience in connection and the like, also has good mechanical strength, stress cracking resistance, creep resistance and cold resistance, and can be widely applied to the fields of municipal underground drainage, pollution discharge, rainwater collection, road engineering drainage, ventilation and the like.

The invention discloses drill jumbo test equipment, which comprises a test stand, a rotary load simulation device, a propulsion load simulation device and a sliding guide device, wherein the rotary load simulation device, the propulsion load simulation device and the sliding guide device are arranged on the test stand. The rotary load simulation device comprises a rotary transmission mechanism used for transmitting the drill pipe rotation of a drill jumbo, and a rotary load power mechanism used for providing a simulated rotary load. The propulsion load simulation device comprises a rock simulation block configured to abut against the drill bit of the drill jumbo, a propulsion transmission mechanism used for transmitting the linear motion of the drill bit, and a propulsion load power mechanism used for providing a simulated proportion load. The rock simulation block can synchronously rotate together with the drill bit. The sliding guide device comprises a push block configured to abut against the proportion beam of the drill jumbo, and a supporting and guiding mechanism used for supporting and guiding the movement of the propulsion transmission mechanism. In this way, the heating problem caused by the relative friction motion between the drill bit and the rock simulation block can be avoided. Meanwhile, the abrasion of the equipment, generated when two motions are simultaneouslyprocessed by the equipment, can be avoided.

The invention relates to a high-altitude and low-temperature environment electric control system comprehensive temperature and pressure stable driving device. The device comprises a drainage pipe, a booster fan, an air return fan, a flow guide cavity, a main flow guide air port, at least one auxiliary flow guide air port, an air amplifier, a wind pressure sensor, a temperature sensor, an electricheating device and a control circuit, wherein the flow guide cavity comprises a bearing outer wall, a flow guide inner container and a flow guide plate, wherein the bearing outer wall wraps the outerwall of the flow guide inner container; the bearing outer wall and the flow guide inner container are distributed in an air return cavity in an axis parallel mode; the main flow guide air port is embedded into the front end plane of the flow guide inner container; and at least one auxiliary flow guide air port is formed in the front end plane of the air cavity. On one hand, the stability of temperature adjustment and pressure regulation operation on the terminal position of the power distribution cabinet can be effectively improved, and on the other hand, the temperature, the air pressure andthe air flow direction can be flexibly adjusted, so that the flexibility and the reliability of the temperature adjusting and pressure regulating control operation are greatly improved; and meanwhile,the comprehensive recycling rate of the heat energy and the airflow circulating kinetic energy of the power distribution cabinet can be improved.

The invention discloses multi-station intelligent welding equipment for a motor stator of a new energy automobile, which is integrally arranged on an equipment platform and comprises a set of turntable assemblies and a set of welding assemblies; product bearing turntables used for bearing products are arranged in the turntable assemblies, preparation stations and welding stations are arranged on the product bearing turntables, and the products move back and forth between the preparation stations and the welding stations through rotation of the product bearing turntables in the horizontal direction; the arrangement positions of the welding assemblies correspond to the positions of the welding stations in a matched mode; and the welding assemblies internally comprise product pressing platesused for pressing and fixing the products and laser welding heads used for completing product welding operations. According to the multi-station intelligent welding equipment for the motor stator of the new energy automobile provided by the invention, through high-precision and high-integration optimized layout and combination with clear and excellent mechanical operation logic, the requirements for stability and reliability of welding of a permanent magnet synchronous motor inner stator / rotor product are met, the product welding effect is ensured, and the product yield and the overall machining efficiency of an enterprise are improved.

The invention discloses a new energy automobile motor rotor multi-station intelligent detection line which corresponds to a rotor product feeding conveying line and a rotor product discharging conveying line and comprises a feeding and discharging clamping mechanism and a plurality of functional mechanisms. The functional mechanisms comprise a pressurizing height measuring mechanism, an inner diameter go gauge detection mechanism, a magnetic groove detection mechanism and a camera detection mechanism. The multiple functional mechanisms are sequentially connected through an index plate, under the action of the feeding and discharging clamping mechanism, rotor products on the rotor product feeding conveying line can be transferred to the index plate, and rotor products on the index plate can be transferred to the rotor product discharging conveying line. High-stability positioning and high-precision detection are combined, the requirement for high-speed automatic production of new energy automobile motor rotor products is met, and the product yield and the overall machining efficiency of enterprises are improved.

A multifunction computer-keyboard with hand-writing board consists of circuit board, keyboard, hand-writing board with basic key region and operation region, hand-writing board driving software and shell. It is featured setting said keyboard and said hand-writing board to be a unified body and adding hand-writing board on original computer keyboard for enabling to use hand-writing board to write characters and to use click mode to input character and data as well as to send operation command.

The invention relates to children whole-grains nutrition powder for invigorating spleen and whetting appetite. The children whole-grains nutrition powder comprises the following ingredients (by weight): 100-200 parts of radix pseudostellariae, 100-300 parts of black sesame, 100-300 parts of walnut, 100-200 parts of haw, 100-300 parts of red date, 100-300 parts of coix seeds, 100-300 parts of lotus seed, 100-300 parts of brown rice, 100-300 parts of buckwheat, 100-300 parts of red bean, 300-500 parts of dioscorea rhizome and 100-300 parts of millet. The all-round nutritious healthy powder obtained by scientific compatibility of various whole grains and medical and edible food materials with effects of invigorating spleen and whetting appetite, promoting digestion, reinforcing intelligence and strengthening brain has rich and soft and smooth mouthfeel, abundant nutrients, and has effects of invigorating spleen, nourishing the stomach and promoting digestion, reinforcing intelligence and strengthening brain, enhancing physical fitness and enhancing immunity.

The invention provides a wireless measurement and control separate injection pipe column of a water injection well, comprising a underground pressure pulse transmitting-receiving device, a plurality of flow measurement and control devices, a plurality of cable crossing packers and an oil pipe; a plurality of flow measurement and control devices are sealed in different water injection layers by a plurality of cable crossing packers; the underground pressure pulse transmitting-receiving device is located at the upper end of a tool section; a pressure signal received from the ground is convertedto an electrical signal and transmitted to a plurality of flow measurement and control devices so as to control the work of a plurality of flow measurement and control devices; injected water enters the oil pipe and flows downwards to the flow measurement and control devices in each water injection layer; and the water injection rate of each water injection layer can be measured by the flow measurement and control devices. The wireless measurement and control separate injection pipe column of the water injection well can meet the requirements of real-time adjustment and frequent measurement and adjustment of an injection scheme during a three-dimensional development process of an oil deposit, improve the technological level of an intelligent injection process and fill the blank of wirelesstwo-way signal transmission in the water injection field.

The invention relates to a construction method of a comprehensive dewatering and draining system of a deep foundation pit. The construction method comprises the steps of (1) conducting construction preparation; (2) laying retaining wall intercepting and draining system; (3) constructing a cast-in-situ draining ditch; (4) laying a draining blind bitch; (5) laying a water collecting channel and (6)constructing a grouted sealing body in the channel. The construction method of the comprehensive dewatering and draining system of the deep foundation pit has the beneficial effects that a water bodydischarged out by wall side draining pipes is collected by means of side wall intercepting ditches, the water body is converged into ditch bottom settling ponds through connection water pipes, so thatthe influence of the water body on the stability of the foundation pit is lowered, and construction environment is protected; meanwhile, waist beam hanging boards and hanging board base boards are connected with built-in anchor plates preset in cross strut waist beams through hanging board connection bolts, a platform hanger rod and a ditch bottom support plate provide support for the side wall intercepting ditches, so that the layout difficulty of the support system is lowered, and the bearing capacity of the support system is improved; each wall side draining pipe is provided with rectangular or oval water seepage slotted holes, a pipe periphery inverted filter is arranged on the outer side of each wall side draining pipe, and therefore the possibility of clogging of the wall side draining pipes can be effectively lowered.

A container type energy storage system for a wind power generation is disclosed. The container type energy storage system comprises an energy storage battery pack container, a bidirectional power conversion system (PCS) container and a boosting transformer, wherein the battery of the energy storage battery pack container adopts a lithium ion energy storage battery; after the lithium ion energy storage battery is subjected to completion of alternating current / direct current conversion through the PCS container, the lithium ion energy storage battery is boosted to 35KKV and connected to a 35KV busbar of a substation; the PCS apparatus can realize bidirectional flow; under a charging state, the PCS is used as a rectifying apparatus for converting the alternating current into direct current to be stored in a storage apparatus; and under a discharging state, the PCS is used as an inverter for converting the direct current stored by the storage apparatus into alternating current to be transmitted to a power grid. According to the container type energy storage system, an energy storage technology with large scale, long service life, high efficiency and low cost is realized; the electric energy quality of new energies in grid connection is greatly improved, a certain energy loss caused by limited power is reduced, and the influence on the power grid caused by large-scale new energy power generation and grid connection is relieved.

The invention discloses a processing table device for processing workpieces. The processing table device comprises a base and a processing table part arranged at the upper end of the base. A protruding ring is fixedly arranged on the outer side of the base. A third motor is arranged at the center in the base. The top end of the third motor is rotationally connected with a rotating shaft extending upwards. A cooling device is arranged on an outer shell of the third motor, and comprises a cooling fin fixedly connected with the outer part of the third motor and a cooling fan arranged on the cooling fin. The top end of the rotating shaft is fixedly connected with the center part of the bottom of the processing table part. A protruding block is fixedly arranged on the edge of the bottom of the processing table part. A circular ring groove is formed in the protruding block. The top end of the base extends into the circular ring groove and is connected in a rotating and matching manner. The bottom end surface of the protruding block is connected with the top end surface of the protruding ring in a docking manner, and is connected with the top end surface of the protruding ring in a rotating and matching manner. An assembling groove is formed in the top end in the processing table part. An assembling block is arranged in the assembling groove. The processing table device is simple in structure and convenient to operate, and has a function of automatically moving-out when meeting the height and direction adjustment requirement, and can meet the existing requirements.

The invention provides a personalized automatic dimming system for a display and control console, and the system can automatically adjust the light intensity and color temperature of the display and control console and the light intensity and color temperature of a display screen according to the light intensity and color temperature of the surrounding environment. And meanwhile, personalized setting can be carried out according to preferences or specific requirements of users. Comprising an information input module, a processor module with a timer function, a user management module, an automatic dimming information acquisition module and a personalized dimming information acquisition module, according to the automatic dimming system, the display and control console light device and the display screen can respectively, automatically and individually change along with the change of ambient light intensity and temperature, so that the problems of eye fatigue of a user and frequent and fixed dimming are solved; and meanwhile, according to the preference of the user or the setting of a specific demand, the device can be adjusted to a more suitable and more comfortable impression state for different users.

The invention discloses a macro-micro combined adjustment device. The macro-micro combined adjustment device comprises a first movable surface, a second movable surface connected to the first movablesurface, a hydraulic driving mechanism connected to the first movable surface and a piezoelectric driving mechanism connected to the second movable surface. The piezoelectric driving mechanism includes a ceramic driver, a connecting mechanism connected to the ceramic driver and a connecting block connected to the connecting mechanism. The connecting mechanism is connected to the ceramic driver andthe connecting block separately. According to the macro-micro combined adjustment device, coarse adjustment of the first movable surface is realized by the hydraulic driving mechanism, and fine adjustment of the second movable surface is realized by the piezoelectric driving mechanism; and adjustment can be performed according to the actual needs, the hydraulic driving mechanism and / or the piezoelectric driving mechanism is selected to achieve the attitude adjustment, the adjustment accuracy is high, and the market demand for high difficult adjustment is met.

The invention discloses an air conditioner with a bothway air guide function and a control method thereof. The air conditioner includes air guide components and a control unit; air outlets of the airconditioner include a first air outlet and a second air outlet; the air guide components include a first air guide component arranged on the first air outlet and a second air guide component arrangedin the second air outlet; the first air guide component and the second air guide component are driven by different driving units; and the control unit is used for setting the air guide directions of the air guide components. The air conditioner can synchronously or separately control the first air guide component and the second air guide component to guide air, the function of simultaneously guiding the air by the air outlets in different directions is realized, the air conditioning and air supply requirements in different directions and areas are met, and the user experience and comfort are improved.

The invention relates to a multifunctional ankle pump movement device which comprises a lifting bottom plate, a sliding rail block, a connecting rod, a spring, a pedal plate, a massage insole and a counter, the lifting bottom plate is composed of a lifting plate and a base, and the lifting plate and the base are connected in an up-down rotating mode; two sliding rail blocks are symmetrically arranged on the lifting bottom plate, sliding blocks are connected to the two sliding rail blocks, a connecting plate is further arranged on one sliding rail block, and the counter is arranged on the connecting plate. Hinge frames are arranged on the two sliding blocks, connecting rods are arranged on the hinge frames, and the pedals are hinged to the connecting rods; and a binding belt and a magic buckle are arranged on each pedal. The device has the advantages that the device is simple in structure and convenient to operate, adaptive height adjustment and resistance replacement corresponding to the size of the spring can be conducted according to the exercise requirements of patients, the use comfort of the patients is improved, better muscle strength recovery of the patients is promoted, andthe exercise requirements of different patients are met.

The invention discloses a small natural gas desulfurization device. The device is characterized in that lower ends of a plurality of desulfurization tanks (2) are connected with a main gas inlet tube (1) through branched gas inlet tubes (4) respectively; upper ends of the plurality of desulfurization tanks (2) are connected with a main gas outlet tube (3) through branched gas outlet tubes (5) respectively; the middle of the main gas outlet tube (1) is connected with the middle of the main gas outlet tube (3) through a pipeline, so the plurality of desulfurization tanks (2) can run in both manners of series and parallel; the branched gas inlet tubes (4) and the branched gas outlet tubes (5) have mutually independent structures, so a dead desulfurizer can be individually replaced without shut-down of the device; and the middle part of the desulfurization device is provided with two pressure meters (16), the pressure meters are communicated with the main gas inlet tube and the main gas outlet tube respectively, and whether the desulfurization device normally operate or not can be determined by observing the pressure difference between the two meters. Hubbed flanges (4) are welded on the desulfurization tanks (2) in the desulfurization device by seamless steel tubes, and the upper part of each of the desulfurization tanks (2) is provided with a hubbed visor (10).

The invention relates to phenolic aldehyde and VOC free printing ink, which comprises the following components by weight: 30%-40% of modified rosin ester resin, 35%-44% of linoleic, 3%-5% of tung oil, 12%-18% of a pigment, 3%-4% of colloidal calcium carbonate, 3%-5% of rapeseed oil methyl ester, 0.5%-1% of a drier, 1%-2.5% of micronized wax, 0.5%-1% of an anti-oxidant, and 0.5%-1% of vanilla oil. The formula of the invention adopts modified rosin ester resin, linoleic and tung oil as main raw materials for producing printing ink, which can has the characteristics of bright and pure color, biodegradability, and excellent mechanical stability as well as good post-press finishing property, good deinking effects of printed matters, and low comprehensive printing cost, etc.