31results about How to "Operation does not affect" patented technology

The invention discloses a begrime distributor, which can overcome the defects of present technique which uses begrime box or the layer of protective agent to cause fast increase of pressure drop, odd distribution of gas and liquid and influence on the normal operation in the working process. The invention has the double functions of dirty collection and distribution, which can improve the material flow distribution, decrease the volume of reactor occupied by inner element, increase the carrying amount of activator, to realize better effect. The inventive begrime distribution comprises a begrime distributing base plate and a begrime device. Wherein, said begrime device is arranged on the begrime distribution base plate; the begrime device is a sleeve barrel structure formed by outer and inner cylinder cages; the top of begrime device has a baffle; the side walls of outer and inner cages have filter screens; the bottom of inner cylinder cage and the distributing base plate of begrime device have open structures at their relative positions to the bottom of inner cylinder cage; and the lower outlet of regime distributor has a flow-broken plate. The inventive begrime distributor has the property characters in the working process that gas-liquid distribution, unimproved pressure drop, prolonged working period, better operation flexibility, wider application to variable mediums, and high availability ratio of stuffing (protective agent). The invention can be used in variable fixed-bed reactor, especially in the area of petrochemical industry.

The invention belongs to the technical field of bamboo fungi cultivating and particularly relates to a method for cultivating bamboo fungi in a forest land. The method for cultivating bamboo fungi in the forest land aims to achieve the purpose that bamboo fungi is suitable for being planted in the forest land through improvement on the aspects of land selection, material preparation, fermentation, cultivation, harvesting, drying, packaging and the like. The method has the following advantages that cultivation of bamboo fungi is conducted during the period of February to April, harvesting is conducted during the period of Jun to September which is the idle period of management of the forest land, and management of the forest land is not affected by planting of the bamboo fungi; the decomposition of litter in the forest land can be accelerated by planting the bamboo fungi, the fertility of the bamboo forest is improved, the soil is improved, and chemical fertilizer consumption for the bamboo forest is reduced effectively, and circular economy benefits are generated; the illumination, humidity, and air in the forest land are suitable for growth of the bamboo fungi, and the cost in putting up sheds in field planting can be saved; the cultivated bamboo fungi is closest to wide bamboo fungi on the aspects of taste and nutritional value.

The invention discloses a begrime distributor, which can overcome the defects of present technique which uses begrime box or the layer of protective agent to cause fast increase of pressure drop and influence on the normal operation in the working process. The invention comprises a begrime distributing base plate and a begrime device. Wherein, said begrime device is arranged on the begrime distribution base plate; the begrime device is a sleeve barrel structure formed by outer and inner cylinder cages; the top of begrime device has a baffle; the side walls of outer and inner cages have overflow holes distributed from up to down; the bottom of inner cylinder cage and the distributing base plate of begrime device have open structures at their relative positions to the bottom of inner cylinder cage; and stuffing or protective agent is filled between the outer and inner cylinders according to the demand. The inventive begrime distributor has advantages including gas-liquid distribution, unimproved pressure drop, prolonged working period, better operation flexibility, wider application to variable mediums, and high availability ratio of stuffing (protective agent) in the working process. The invention can be used in variable fixed-bed reactor, especially in the area of petrochemical industry.

The invention relates to a deformation monitoring method for the existing railway line, which comprises the following steps: (1) selecting right types of total stations and prisms; (2) carrying out point distribution on a line required to be measured, and installing the prism at each measuring point; (3) through site survey, burying a sufficient quantity of datum points and station points convenient to observe the prisms; (4) carrying out real-time measurement on the prisms through the total stations arranged at the station points so as to obtain the three-dimensional coordinate of each prism; and (5) through comparing the three-dimensional coordinates of the prism during different time periods, calculating the deformation value and change rate of the line during the period. The invention is a deformation monitoring method for the existing railway line, which is scientific in design and easy to implement. By using the method disclosed by the invention, the data of settlement and horizontal displacement of the existing railway line in operation can be accurately acquired under the premise of not affecting the operation of the existing line, thereby guaranteeing the necessary monitoring frequency; and the acquired data represents the deformation of the line during all time periods, and finally, the purpose of carrying out real-time monitoring on the existing railway line and guaranteeing the safe operation of trains is achieved.

The invention discloses a construction method for breaking and removing a monolithic track bed in a subway operation line tunnel. The construction method comprises the following steps that 1, first-stage concrete breaking and removing is conducted; 2, second-stage concrete breaking and removing is conducted, temporary steel sleeper transition line is installed, passage is recovered; 3, third-stage concrete breaking and removing is conducted. According to the construction method, a laid track bed is cut through low-noise rope saws and wall saws, cut laid slabs are lifted and conveyed through researched cantilever cranes in a subway tunnel, and then the laid monolithic track bed is changed. By the adoption of the construction method, noise is low, the operation line does not stop during construction, safety and reliability are achieved, and the requirements for urban civil construction, operation line transportation, operation line safety and construction efficiency are met.

The present invention relates to the technical field of odor collection in sedimentation tanks, in particular to a sedimentation tank odor collection device with a rotary mud scraper, including rollers, steel frames, sealing plates, gas collection hoods, odor collection pipes, Exhaust pipe, pipe swivel joint. The supporting steel frame above the air collecting hood is rigidly connected with the mud scraper bridge, and there are rollers on the outside of the steel frame. When the mud scraper is running, it also drives the steel frame and the air collecting hood to run together. The center of the air collecting hood is sealed and connected with the rotary central shaft of the mud scraper, and the sealing plate connected to the outside is inserted into the water of the sump, and the simple liquid seal principle is used to completely separate the odor from the outside world without affecting the operation of the air collecting hood. The odor collection pipe above the gas collection hood is connected to the exhaust pipe with a pipe swivel joint to perfectly connect the moving pipe and the static pipe. The distance between the air collecting hood and the water surface of the sedimentation tank is very small. There are support points all around under the bridge frame of the rotary mud scraper, and there is no need to consider personnel entering. The air collecting hood is completely sealed, which can greatly reduce the construction cost of the odor collection device. And it can reduce the amount of air pumping and reduce the cost of terminal treatment.

The invention provides a source driver and an operation method and a driving circuit thereof. The source driver comprises a gamma voltage generation circuit, a first voltage buffer and a reference voltage driving circuit. The gamma voltage generation circuit receives an internal reference voltage to provide a first grayscale reference voltage corresponding to a first display grayscale. The first voltage buffer is used for receiving the first grayscale reference voltage to provide a driving voltage. The reference voltage driving circuit is coupled to the gamma voltage generation circuit and the first voltage buffer, and is used for accelerating the rise or fall of the first grayscale reference voltage. According to the source driver and the operation method and the driving circuit thereof provided by the embodiments of the invention, the reference voltage driving circuit accelerates the rise or fall of the first grayscale reference voltage when the first grayscale reference voltage is in a transient state. Therefore, the static power consumption of the source driver can be reduced without affecting the operation of the source driver.

The invention discloses a filter and a filtering and cleaning method thereof, belonging to the technical field of filters. It includes an interception lumen, a filter screen and a filter lumen, the interception lumen is located on the axis of the main pipeline, the filter lumen communicates with the interception lumen, and the filter net is located in the filter In the lumen, the water intake port of the filter screen is located in the interception lumen, and the water intake port of the filter screen is facing the direction of liquid flow, and also includes a valve and a sedimentation chamber, one end of the valve and the end of the filter lumen away from the interception lumen The other end of the valve communicates with the sedimentation chamber. Aiming at the problem of affecting the normal circulation of the main pipeline when the filter is cleaned in the prior art, the filter can be cleaned without affecting the normal circulation of the main pipeline.

The invention discloses an FPC flexible circuit board bending and electrical testing all-in-one machine which comprises a machine body, an electrical testing head is arranged on the upper portion of the inner side of the machine body, a support is arranged at the bottom of the inner side of the machine body, a bending plate is installed at the top end of the support and comprises a fixed plate and a rotating plate, and the fixed plate and the support are fixed together. A swing motor is arranged on the back face of the machine body, the output end of the swing motor is connected with the rotating plate, a mounting head is arranged on the side face of the machine body, and a display screen is mounted on the front face of the mounting head. According to the FPC flexible circuit board electrical testing device, the problem that a lot of time needs to be wasted in electrical testing and bending testing during FPC flexible circuit board production and processing due to the fact that no device capable of conducting electrical testing on an FPC flexible circuit board and conducting bending testing on the FPC flexible circuit board exists in the existing market is solved; therefore, the electrical testing equipment of the FPC is provided with the bending mechanism and can operate under the control of the electrical testing equipment.

The invention is applicable to the technical field of marine propellers, and provides a sealing device, a test tool and a test method for air tightness bulkhead requirements. A dummy shaft is fixedlymounted at one end of a bulkhead sealing device, and the other end of the bulkhead sealing device is fixedly connected with the test tool through a bolt; the end, away from the bulkhead sealing device, of the dummy shaft is fixedly connected with the output end of a motor, an oil tank is arranged at the top end of the bulkhead sealing device, the oil tank is filled with lubricating oil, and an oiloutlet of the oil tank is communicated with an oil inlet of the bulkhead sealing device. The device has the main advantages that the structure is simple, the cost is low, sealing between the two bulkheads is effectively achieved so that harmful gas can be prevented from flowing into the main engine room from the waste oil cabin, meanwhile, once seawater enters the stern bulkhead, bulkhead sealingcan be continuously used for sealing between the stern bulkhead and the bow bulkhead, and seawater in the stern bulkhead can be effectively prevented from entering the bow bulkhead.