36results about How to "Avoid the danger of vandalism" patented technology

The invention provides a data interaction method, a client and a server, so as to solve the problems of requested replaying and client computer safety that cannot be solved by adopting HTTPS (Hyper Text Transfer Protocol Secure) technique. The method comprises the following steps: obtaining a timestamp from a service terminal; sending the first identifying information of a user, the timestamp and verifying data generated according to the first identifying information of the user and the timestamp to the service terminal; obtaining certified data encrypted by the service terminal, wherein the certified data comprises the encrypted data generated for the timestamp and second identifying information of the user; and using the certified data to access the service terminal. According to the method provided by the invention, HTTPS encryption and improved MD5 are used together while the encryptions at the client and service terminal are adopted, so that the possibility of distorting and falsifying data at 'end' and 'path' is efficiently avoided. Besides, the timeliness control is performed on interface calling by using effective time through the timestamp, so that the data damage risk caused by recording and largely replaying a user request is efficiently avoided.

The invention relates to a production line used for drying coal slime. The production line used for drying the coal slime is characterized by comprising a coal slime raw material repository, a scraper conveyor, a preparatory material storage bin, a coal slime drier, a coal dust gas dusting machine, a gas recycling device and a finished product repository, wherein reinforcing ribs arranged in a drying cabin of the coal slime drier of the production line can guarantee no deformation of the cabin body of the drying cabin in a high pressure environment; and thermal insulation cotton among the reinforcing ribs guarantees heat loss of the drying cabin to be as low as possible, realizes the energy-saving purpose and lowers the production cost. The production line used for drying the coal slime has the advantages of low energy consumption, low noise, strong structure stability, high processing efficiency, low equipment cost, strong equipment adaptability, no material blockage phenomenon, few production faults, low manufacturing cost and resource economization.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. A material raising shaft of the slurry drying machine in the treatment system is made of high-temperature-resisting materials and adopts a loading torque loop, so that the material raising shaft cannot deform under high-temperature, high-speed and large-torque operation, the material raising capability and the torque bearing capability of the material raising shaft are greatly improved, and the material raising efficiency and the working stability are greatly improved. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention relates to a production line used for drying coal slime. The production line used for drying the coal slime is characterized by comprising a coal slime raw material repository, a scraper conveyor, a preparatory material storage bin, a coal slime drier, a coal dust gas dusting machine, a gas recycling device and a finished product repository, wherein an air speed adjusting valve which is convenient to control a flow speed of hot air in the coal slime drier is arranged at an air outlet of a blower of the coal slime drier of the production line, and a temperature control device which is convenient to control the temperature of the hot air flowing into the coal slime drier is arranged in a hot air inlet pipe, so that heat energy waste is avoided; and thermal insulation cotton is sleeved outside the hot air inlet pipe, so that heat loss is further reduced, and production cost is saved. The production line used for drying the coal slime has the advantages of low energy consumption, low noise, strong structure stability, high processing efficiency, low equipment cost, strong equipment adaptability, no material blockage phenomenon, few production faults, low manufacturing cost and resource economization.

The invention discloses a sliding loading machine. A chassis frame, a cab, a main beam and a bucket are included. The chassis frame and a walking system are assembled to form a moving chassis of the sliding loading machine, and a power system of the sliding loading machine is assembled to the tail of the chassis frame. The cab is arranged at the front portion of the chassis frame in an overturnedmanner. The cab is horizontally borne on the chassis frame when a telescopic supporting rod is in a contraction state and forwards overturns when the telescopic supporting rod is in a stretching-out state. The tail end of the main beam is movably hinged to the tail of the chassis frame through a four-connecting-rod mechanism, the bucket is assembled to the front end of the main beam, an unloadingoil cylinder for driving loading and unloading is assembled between the bucket and the main beam, and a lifting oil cylinder for driving the main beam to swing up and down to achieve lifting of the bucket is assembled between the main beam and the chassis frame. Compared with existing loading equipment, the sliding loading machine has the advantages that detachment and maintenance are convenient,work is reliable, and the structure is compact.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. If a chain wheel of the scraper conveying machine in the treatment system needs to be replaced, users only need to detach a plurality of bolts instead of detaching a coupler, a bearing base, an end cover and a bearing, so that the chain wheel can be replaced, the replacing procedures are greatly reduced, and the replacing efficiency is greatly improved. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention relates to a drying process production line of coal slime. The drying process production line of the coal slime is characterized by comprising a coal slime raw material storage warehouse, a scraper conveyer, a preparing storage bin, a coal slime drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storage warehouse. A stirring device of the coal slime drying machine in the production line is provided with a large torque starter. A motor can recover to a normal working state rapidly by the starter so that drying production efficiency of the coal slime materials can be improved, and meanwhile labor cost is saved. The drying process production line of the coal slime has the advantages of being low in energy consumption, low in noise, good in structure stability, high in processing efficiency, low in equipment cost, good in equipment adaptability, free from material blocking phenomenon, small in production malfunction, low in manufacturing cost and resource-saving.

The invention relates to a drying treatment production line of slurry. The drying treatment production line is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. A heat source control device is arranged on a hot air inlet portion of the slurry drying machine of the production line, hot air inlet amount can be regulated according to the moisture content of the fed materials of the drying device to achieve the aim of energy saving, and simultaneously, the drying treatment production line is convenient to adjust, easy to operate and capable of saving a large amount of manpower and time. The drying treatment production line has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. Material raising teeth of the slurry drying machine in the treatment system can effectively eliminate the phenomenon of journal sticking of sticky materials, and the drying treatment system of slurry is abrasion-resisting and thermal-insulation and can effectively improve production efficiency and prolong the service life. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention provides a data interaction method, a client and a server, so as to solve the problems of requested replaying and client computer safety that cannot be solved by adopting HTTPS (Hyper Text Transfer Protocol Secure) technique. The method comprises the following steps: obtaining a timestamp from a service terminal; sending the first identifying information of a user, the timestamp and verifying data generated according to the first identifying information of the user and the timestamp to the service terminal; obtaining certified data encrypted by the service terminal, wherein the certified data comprises the encrypted data generated for the timestamp and second identifying information of the user; and using the certified data to access the service terminal. According to the method provided by the invention, HTTPS encryption and improved MD5 are used together while the encryptions at the client and service terminal are adopted, so that the possibility of distorting and falsifying data at 'end' and 'path' is efficiently avoided. Besides, the timeliness control is performed on interface calling by using effective time through the timestamp, so that the data damage risk caused by recording and largely replaying a user request is efficiently avoided.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. A rapping device is arranged on a casing of a drying cabin of the slurry drying machine in the treatment system, so that materials hung on the inner wall of the drying machine are thoroughly eliminated, vibration on the casing of the drying machine is effectively relieved, and working environment protection, service life prolonging of the drying machine and production efficiency improvement are facilitated. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention relates to a production line used for drying coal slime. The production line used for drying the coal slime is characterized by comprising a coal slime raw material repository, a scraper conveyor, a preparatory material storage bin, a coal slime drier, a coal dust gas dusting machine, a gas recycling device and a finished product repository, wherein a main pipe body of a hot air conveying pipe of the coal slime drier of the production line is made of a steel plate, so that pressure bearing intensity of the pipe body is guaranteed; a front explosion-proof port and a rear explosion-proof port are arranged at the front and rear ends of the main pipe body, so that equipment damage caused by over-pressure in the pipeline is avoided; and the inner wall of the main pipe body is provided with a spiral groove which extends along an air blowing direction, so that the flow speed of the hot air is speeded up, and drying efficiency is increased. The production line used for drying the coal slime has the advantages of low energy consumption, low noise, strong structure stability, high processing efficiency, low equipment cost, strong equipment adaptability, no material blockage phenomenon, few production faults, low manufacturing cost and resource economization.

The invention relates to a drying treatment production line of slurry. The drying treatment production line is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. A heat source control device is arranged on a hot air inlet portion of the slurry drying machine of the production line, hot air inlet amount can be regulated according to the moisture content of the fed materials of the drying device to achieve the aim of energy saving, and simultaneously, the drying treatment production line is convenient to adjust, easy to operate and capable of saving a large amount of manpower and time. The drying treatment production line has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention relates to a drying processing system of coal slime. The drying processing system is characterized by comprising a coal slime raw material storage bin, a scraper conveyor, a prepared material bin, a coal slime drying machine, a coal dust gas dusting machine, a gas recycling device and an end product storage bin. The scraper conveyor in the processing system is provided with a vibration material guide bin on a material inlet, the vibration material guide bin utilizing a vibration increasing spring enables vibration of a vibrator to be enhanced, restriction of a support does not exist, strong vibration can be produced, adhesive material can be smoothly led to a conveying belt of the scraper conveyor, and drying production efficiency of coal slime material is greatly improved. The drying processing system has the advantages of being low in energy consumption, small in noise, strong in structure stability, high in processing efficiency, low in equipment cost, strong in equipment adaptability, free of a blocking phenomenon, few in production fault, and low in manufacturing cost, and saving sources.

The invention relates to a production line used for drying coal slime. The production line used for drying the coal slime is characterized by comprising a coal slime raw material repository, a scraper conveyor, a preparatory material storage bin, a coal slime drier, a coal dust gas dusting machine, a gas recycling device and a finished product repository, wherein the gas recycling device of the production line is additionally provided with a secondary dust removal device, namely, a cyclone dust collector; and a small number of fine coal dust still existing in an intake airflow is separated from the airflow under the action of an inert centrifugal force through the rotation of a worm wheel, is thrown to the inner wall of the shell of the cyclone dust collector, and finally falls into a recycling hopper of the cyclone dust collector. The secondary dust removal further guarantees the quality of the gas exhausted to the atmosphere and belongs to an extremely environment-friendly gas recycling device. The production line used for drying the coal slime has the advantages of low energy consumption, low noise, strong structure stability, high processing efficiency, low equipment cost, strong equipment adaptability, no material blockage phenomenon, few production faults, low manufacturing cost and resource economization.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. A rapping device is arranged on a casing of a drying cabin of the slurry drying machine in the treatment system, so that materials hung on the inner wall of the drying machine are thoroughly eliminated, vibration on the casing of the drying machine is effectively relieved, and working environment protection, service life prolonging of the drying machine and production efficiency improvement are facilitated. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention relates to a drying treatment system of slurry. The drying treatment system is characterized by comprising a slurry raw material storing warehouse, a scraper conveying machine, a prepared material cabin, a slurry drying machine, a coal dust gas dusting machine, a gas recycling device and a finished product storing warehouse. If a chain wheel of the scraper conveying machine in the treatment system needs to be replaced, users only need to detach a plurality of bolts instead of detaching a coupler, a bearing base, an end cover and a bearing, so that the chain wheel can be replaced, the replacing procedures are greatly reduced, and the replacing efficiency is greatly improved. The drying treatment system has the advantages of being low in energy consumption, low in noise, strong in structural stability, high in processing efficiency, low in device cost, strong in device adaptation, free of blocking, less in production failure, low in manufacture cost, and capable of saving resources.

The invention discloses a cordwood special-shaped diaphragm flexible shaft coupling comprising a flange and special-shaped diaphragm combination units. Each special-shaped diaphragm combination unit comprises two special-shaped diaphragm chains and a spacing disc or a linkage ring between the special-shaped diaphragm chains, every two special-shaped diaphragm combination units are connected with the spacing disc or a spacing shaft or the linkage ring or a linkage shaft, and the special-shaped diaphragm chains are divided into single-layer special-shaped diaphragm chains and compound special-shaped diaphragm chains; each single-layer special-shaped diaphragm chain is formed by tightly connecting at least two three-hole special-shaped diaphragm laminating members from head to tail, each compound special-shaped diaphragm chain is formed by complementing, staggering and laminating two staircase type special-shaped diaphragm chains on space, and each staircase type special-shaped diaphragmchain is formed by staggering a plurality of two-hole special-shaped diaphragm laminating members from top to bottom and laminating the two-hole special-shaped diaphragm laminating members from head to tail. The invention has the advantages of correction angle (triangle phi is equal to 3 degrees), no lubrication or maintenance, durability, ultra compactness, airflow shielding, low noise and cost,electric insulation, overload protection and on-site free assembly and disassembly and is suitable for wind-driven generators required to constantly work in 80-m high altitude and a harsh environmentwith large temperature difference all the year round.