62results about How to "Does not affect continuous operation" patented technology

The invention relates to a hybrid energy storage topological structure on the basis of an MMC (modular multilevel converter). The structure comprises a positive bridge arm and a negative bridge arm; the positive bridge arm is formed by sequentially connecting power conversion subunits 1 to n in series; one end of the positive bridge arm is connected with a high-voltage DC (Direct Current) positive bus bar and the other end of the positive bridge arm is connected to a high-voltage three-phase AC (Alternating Current) power grid by a current limiting reactor; the negative bridge arm is formed by sequentially connecting power conversion subunits n+1 to 2n in series; one end of the negative bridge arm is connected with a high-voltage DC negative bus bar and the other end of the negative bridge arm is connected to the high-voltage three-phase AC power grid by a current limiting reactor; each functional conversion subunit is formed by connecting a power conversion module, a potential isolation module and an energy storage module in series. According to the invention, various energy storage bodies are flexibly switched into a power system and an energy storage function and a service which are uninterrupted, high in quality, flexible to control and safe to operate are provided for the power system.

The invention relates to a multi-steam turbine combined power generation type ultra-supercritical unit which comprises an ultra-supercritical pressure secondary heating boiler (comprising a heating evaporation overheater, a primary reheater and a secondary reheater), a front steam turbine generator unit (comprising an ultrahigh-pressure cylinder and a back pressure extraction turbine) and a plurality of low-parameter steam turbine generator units, wherein the steam outlet of the heating evaporation overheater is connected with the steam inlet of the ultrahigh-pressure cylinder through a steam conveying pipeline; the steam outlet of the ultrahigh-pressure cylinder is connected with the steam inlet of the primary reheater and the steam inlet of the back pressure extraction turbine through pipelines respectively; the steam outlet of the back pressure extraction turbine is connected with the inlet of an oxygen remover through a pipeline; the steam outlet of the primary reheater is connected with the steam inlet of a high-pressure cylinder of the low-parameter unit through a pipeline; the steam outlet of the high-pressure cylinder is connected with the inlet of the secondary reheater through a pipeline. According to the ultra-supercritical unit provided by the invention, the circulating heat efficiency of the two or more low-parameter generator units is greatly improved, the power consumption is greatly reduced, and huge energy-saving and emission-reducing benefits are realized.

A temporary support method for an excavation roadway, which solves the problems existing in the existing excavation roadway operation, such as empty roof operation, broken roof due to repeated support, and low operation efficiency, including when the retractable temporary support of the excavation roadway is used in conjunction with the roadheader. For the temporary support of the exposed roof of the new excavation of the roadheader, the retractable temporary support of the tunnel is used to assist the permanent support of the roadway. The method is reasonable in design, mature and reliable in technology, and the support equipment is stable and safe. The operation method is called continuous excavation and continuous anchoring and protection operation, which reduces the preparation time wasted between the two processes of excavation and anchoring and protection, significantly improves the efficiency of excavation and anchoring and protection, and realizes temporary support for the newly exposed roof of the excavation working face. protection to improve the safety of the excavation face.

The invention relates to a product filtering system for a three-phase slurry bed reactor. The product filtering system comprises an intra-reactor filter, an extra-reactor filter group, back-flushing fluid buffering tank group, a purified product buffering tank and a control system, wherein the intra-reactor filter comprises multiple groups of liquid-solid filtering and separating assemblies, and the intra-reactor filter is a coarse filter; the extra-reactor filter group comprises 2-3 extra-reactor filters, and each extra-reactor filter is a fine filter; and the control system controls the opening and closing of a flow control valve, an outlet control valve, a first valve and a second valve. According to the invention, by adoption of the combination of intra-reactor filtering and extra-reactor filtering, while a liquid product is coarsely filtered and extracted when passing through the intra-reactor filter to retain undamaged catalysts in the system, the liquid product entraining a small amount of damaged granule catalysts is further filtered and purified by the fine filters outside the system, thus, the problems in the prior art are avoided, the continuous online operation and online cleaning can be realized, and economy and high efficiency are achieved.

The invention discloses a manufacturing method of fiber glass yarns and a device therefor. The device comprises a frame, a cover, a feeder, a heat-melting device, a cooling yarn-formation device, an antistatic device, an expanding twister, a length-measuring device, a winding machine, a waste yarn collecting tank, a water jet injector and a control circuit. The manufacturing method comprises the following steps: the glass balls are added into a platinum-substitute crucible and electrically heated to the molten state, and then the temperature is raised until the glass balls are in the liquid state; the liquid glass flows downwards through a bushing well of the platinum-substitute crucible, is instantly cooled by the surrounding air to form fiber glass filaments, and the fiber glass filaments achieves a cooling drum and then achieves a yarn cutter to be cut off; subsequently the cut fiber glass filaments are expanded by the expanding twister to form strip-shaped yarns; and finally the strip-shaped yarns are wound to coils by the winding machine after length measurement. The fiber glass yarns manufactured by the method and the device have uniform texture and stable performance.

The invention provides a cloth accumulator with self tension, which is provided with upper rollers and lower rollers reversely. The cloth moves in a Z-shaped way alternately on the upper and the lower rollers. The cloth accumulator with self tension is characterized in that: a transmission mechanism is arranged in a cloth storage box in rectangular frame shape; the top frame and the bottom frame of the rectangular frame are provided with a top rob and a bottom rob that are provided with sprocket wheels respectively; an annular gearing chain which forms the chain and sprocket transmission mechanism with the sprocket wheels which are positioned at the corresponding positions of the ends of the top and the bottom robs is arranged on the frames at the two sides of the rectangular frame. An upper roller shelf and a lower roller shelf are hung and arranged at the different sides of the annular gearing chain to form reverse movement between the upper roller shelf and lower roller shelf. The invention can solve not only the problem of tension in the consecutive production process of the cloth, but also the constriction problem of the textiles in production, thus improving the cloth accumulating speed and simplifying the operation process.

The embodiment of the invention provides a filter screen replacing device and relates to air filtering techniques. By the adoption of the filter screen replacing device, replacement of a filter screen can be completed automatically, and manpower resources and material resources are saved. The filter screen replacing device comprises a bearing piece. The bearing piece is of a sealed hollow columnar structure. A draught fan is arranged in the bearing piece. A first opening and a second opening are formed in the side wall of the bearing piece. The first opening is covered with a first filter screen. The second opening is covered with a second filter screen. The first filter screen is located on the air inlet side of the draught fan. The second filter screen is located on the air outlet side of the draught fan. First air inlets are formed in the side wall of the air inlet side and the side wall of the air outlet side correspondingly. A dust cover is arranged on the outer side of the first filter screen. The dust cover is provided with a sealing part, and the sealing part is in rotary sealing with the side wall. The filter screen replacing device further comprises a first driving part. The first driving part can drive the bearing piece to rotate around the central axis of the bearing piece by a preset angle, so that the first filter screen is made to rotate to the original position of the second filter screen. The filter screen replacing device is used for filtration of the draught fan.

The invention discloses a device, method and application for extracting uranium from uranium-containing wastewater or seawater, and the device for extracting the uranium comprises a photo-anode, a cathode reaction piece and a photocatalytic light source. The photo-anode comprises an anode reaction piece and a photocatalyst layer arranged on the surface of the anode reaction piece. The cathode reaction piece is connected with the anode reaction piece through a wire. The photocatalytic light source adopts ultraviolet light, visible light or infrared light. When a photocatalytic fuel cell is usedfor extracting the uranium from the uranium-containing wastewater and seawater, an external power source is not needed, a proton exchange membrane and an oxide inhibitor do not need to be added, meanwhile, inert gas atmosphere protection is not needed, and operation can be conducted in the air atmosphere. Hexavalent uranyl ions in the wastewater and seawater can be efficiently reduced into tetravalent uranium which is low in toxicity and almost insoluble in water, the tetravalent uranium is gathered onto a cathode, uranium is desorbed from the surface of a photocatalyst without acid picklingor air purging reoxidation, uranium can be efficiently recycled by regularly replacing a cathode material, uranium reduction products are easy and convenient to collect, and continuous operation of asystem is not influenced.

The invention provides a mass class locator data storage method. A mass class locator data storage system based on a MongoDB server cluster is built to serve as a supporting platform, a data fragment technology and a distributed type data storage technology are utilized, a sharing-nothing storage framework is adopted, data are divided according to the specific dimensionality needed by services and are averagely stored in all servers and disks, so that it is ensured that read and write loads of the system are balanced as much as possible, all IOs for data reading and writing are called, and the total IO supporting capacity of the cluster is obtained. In addition, a memory mapped file technology is utilized, accessed data information is stored in memories of the servers, and therefore performance delay possibly caused by the magnetic disk IOs is reduced to the maximum extent.

The invention relates to an open channel water channel bed-load transport rate ceaseless measuring system and belongs to the technical field of hydraulic measurement. The system comprises a measuring box, a weighing instrument, a flow guiding plate, a sand collecting basket, a sand discharge basket, a traction mechanism, a hoisting mechanism and a hoisting rope. The measuring box is installed below a bottom plate on the upstream of the outlet cross section of a water channel. The weighing instrument is installed above the measuring box. The bottom of the weighing instrument is higher than the horizontal plane of the water channel. The flow guiding plate horizontally covers the top end of the measuring box and is flushed to the upper surface of the bottom plate of the water channel. The sand collecting basket is hung on the portion, below the flow guiding plate, in the measuring box through the hoisting rope. One end of the hoisting rope is connected with the top end of the sand collecting basket, and the other end of the hosting rope is connected with a weighing hook at the bottom of the weighing instrument. The sand discharge basket is flatly placed on the portion, under the sand collecting basket, in the measuring box. The traction mechanism is arranged below and beside the sand discharge basket. The hoisting mechanism is located on the side face of the sand collecting basket, installed above the top of the measuring box and flexibly connected with the sand discharge basket. The system can continuously and ceaselessly measure the bed-load transport rate of any particle size under the condition that an experiment is not disturbed.

The invention provides continuous stacking equipment for storage battery grids. The continuous stacking equipment comprises a rack, and a piece inlet mechanism, a vacuum delivery mechanism, a drive mechanism, a waste piece recycling mechanism, a piece-falling guide mechanism, a piece receiving mechanism and a stack delivery mechanism which are fixed on the rack; the piece inlet mechanism and the vacuum delivery mechanism are both in drive joint with the drive mechanism; the vacuum delivery mechanism and the piece inlet mechanism are partially overlapped in the horizontal direction and are spaced in the vertical direction; the waste piece recycling mechanism, the piece-falling guide mechanism and the piece receiving mechanism are fixed right below the vacuum delivery mechanism, and the transmission direction of the waste piece recycling mechanism and the stack delivery mechanism is vertical to that of the piece inlet mechanism and the vacuum delivery mechanism. The continuous stacking equipment is compact in structure and easy to operate, double pieces of grids moving in parallel can be piled into a grid stack with a certain number without influencing the continuous operation of a whole production line, meanwhile the formed grid stack can be convenient to transfer by special equipment or personnel, and the production efficiency is improved.

The invention relates to the technical field of supercritical water oxidation, and particularly relates to a method for improving operation reliability of a supercritical water oxidation system and the system. The method includes a step of sludge pretreatment, namely a step of intercepting large floating matters in sludge, then feeding the sludge into a pretreatment loop, and subjecting the sludgeto precipitation, pH adjusting, refining, pressure adjusting, flow adjusting and temperature adjusting in order in the pretreatment loop until the pressure, temperature and flow of the sludge meet design requirements, and then feeding the sludge into a supercritical treatment unit; and a supercritical treatment step in which at least two supercritical treatment unit are arranged. A spare treatment unit is preserved and a treatment unit being operated can be automatically switched to the spare treatment unit when the treatment unit being operated requires maintenance or repairing, and a switching process does not affect continuous operation of the system. Operation reliability and stability of the supercritical water oxidation system are improved from the aspects of reactor structures, system configuration, operation manners and the like by the method.

The invention discloses rubber assistant drying technique. It has the advantages of good drying effect, high heat efficiency, small product grain, and little investment. The technique includes the following steps: feeding; drying; collecting after dusting and emptying end gas. Its features are sending wet material to flash dryer by charger; breaking up and drying; doing secondary drying for damp-dry material; dusting and collecting by bag dust collector; emptying end gas.

The invention relates to aluminum sheet stacking equipment, which include a machine head and a material receiving device. The machine head includes a rack, a material falling assembly and an auxiliaryconveyor belt, the material falling assembly includes two strip-shaped side plates, the outer side of the middle part of each strip-shaped side plate is fixedly connected with a first bracket, the first brackets are fixedly connected with first air cylinders, installation seats are installed on output shafts of the first air cylinders, and first idler wheel sets are arranged on the installation seats; and second idler wheel sets are arranged on the rear parts of the strip-shaped side plates, third idler wheel sets are arranged on the front parts of the strip-shaped side plates, material falling ports are formed between the second idler wheel sets and the third idler wheel sets, valves are arranged on the lower sides of the material falling ports, the auxiliary conveyor belt overhangs theupper side of the material falling assembly, the material receiving device includes a plurality of material receiving plates and rotating plates, the multiple material receiving plates are supported on the rotating plates correspondingly, and telescopic jacking cylinders for jacking up the material receiving plates upwards are arranged on the lower sides of the rotating plates. The aluminum sheetstacking equipment is able to stack continuously without stopping in the process of switching the material receiving plates, aluminum sheets with unqualified thicknesses can be removed, and oval-shaped aluminum sheets can be stacked.

The invention discloses a weighing and counting method and device. The method comprises the following steps that: on a weighing instrument, parameters are set; the weighing instrument marks current total weight on a weighing platform as total weight T before loading, and a total number N on the weighing platform is marked as zero; a pile division mechanism continuously collects a small pile of products from a production conveyor belt, and moves the small pile of products to the weighing platform, and the weighing instrument takes a stabilized weighing value as current total weight G, wherein the amount of one piece of material collection time t length of the small pile of products is small than or equal to SM; the weighing instruction calculates (G-T) / m, and M is accumulated into the totalnumber N; the weighing instruction carries out judgment; and the weighing instruction outputs a warning instruction. The weighing and counting device uses the weighing platform and the weighing instruction to form weighing instrument, the pile division mechanism is electrically connected with the weighing instruction, bears a plurality of products unloaded from the production conveyor belt in certain time, and is controlled by the weighing instruction to convey the plurality of borne products to the weighing platform.

The invention discloses a detection module and a metal antenna detection assembly line thereof, and the metal antenna detection assembly line comprises a shunting module which is used for arranging stacked and disordered antennas, and inputting the antennas into an arrangement module one by one at intervals; the arrangement module which is used for aligning the antennas, acquiring an end face image, carrying out turnover and finally inputting the antennas into a transfer module one by one; the transfer module which is used for inputting the antennas into a storage box one by one, so that a detection mechanism can conveniently convey the antennas in the storage box to a probe for detection; a detection module which is used for detecting the antennas; and a sorting module which is used for respectively outputting qualified products and inferior-quality products to finish sorting according to whether the antennas detected by the detection module are qualified products or not. The metal antenna detection assembly line can realize full-automatic shunting, arrangement, conveying, detection and sorting of the antennas, is high in efficiency, gets rid of high dependence on manpower, and can realize 24-hour all-weather work, so that the manufacturing cost can be greatly reduced, and strong competitiveness is brought to enterprises.

The invention relates to an intelligent coal-mine gas extraction pump station. The intelligent coal-mine gas extraction pump station comprises a control device; the control device is connected with aplurality of frequency converter; each frequency converter is connected with a water ring type vacuum pump; a contactor is arranged between each water ring type vacuum pump and each frequency converter; a control loop of the contactor is electrically connected with the control device; the intelligent coal-mine gas extraction pump station also comprises a water tank, a water inlet pipeline, a waterdischarge pipeline, a gas discharge pipeline and a gas extraction pipeline; a circulating water inlet of the water ring type vacuum pump communicates with the water tank through the water inlet pipeline; a circulating water outlet of the water ring type vacuum pump communicates with the water tank through the water discharge pipeline; a gas extraction port of the water ring type vacuum pump communicates with a coal-mine tunnel through the gas extraction pipeline; and a gas discharge port of the water ring type vacuum pump communicates with the outside through the gas discharge pipeline. The invention also discloses a working method of the intelligent coal-mine gas extraction pump station.

The invention relates to a UPS duplicate supply automatic maintenance control device, wherein, the input end of the UPS is respectively connected with a circuit A and a circuit B of the commercial power, belonging to different phases; a discharge relay is connected with the circuit A through a time control switch, a circuit A relay is connected into the circuit A through a normal opening contact of a guide relay; the normal close contacts of the circuit A relay are connected in series and then connected with the input end of the circuit B, a circuit B relay is connected between the series connected points; the circuit A is connected with the input end of the UPS after the circuit B relay is connected with the normal close contacts of the discharge relay in series; a direct relay is connected with the output end of the UPS, the output end of the UPS is used as the output end of the whole power supply through the normal opening contacts of the direct relay, the circuit B is connected with the output end of the whole power supply through the normal closing contacts of the direct relay. The input end of the UPS and the output end of the whole power supply are respectively connected with a lightning proof circuit and a wave proof circuit. The UPS duplicate supply automatic maintenance control device is applicable to medical equipment, medium and small web server, etc. which need the UPS to supply power, achieves duplicate supply, more ensures the power supply, avoids the interference factors such as lightning, wave and others, and the storage battery of the UPS can automatically charge and discharge, thus the service life of the battery can be effectively prolonged.

The invention discloses a partial conversion system for carbonic oxide and a process control method thereof. The system comprises a converted gas-liquid separator, two pre-converting furnaces which are connected in parallel, a converting furnace, a purified gas heater, a feed gas heater and an auxiliary feed gas heater. The process control method of partial conversion of carbonic oxide comprises the following steps: (1) diversion of the feed gas which is separated by the converted gas-liquid separator; (2) removal of carbon dust in the pre-converting furnaces; (3) diversion and heat exchange of feed gas to complete partial conversion of carbonic oxide; and (4) diversion of gas after mixing. The system and the method have the following advantages: maintenance of the feed gas heater can be completed on line, thus the continuous operation of the device is not affected; at the later stage of the operation of converting catalyst, the inlet gas temperature of the converting furnace can be increased by virtue of the auxiliary feed gas heater, thus the long-period steady operation of the device can be realized.

The invention discloses a memory database loading method. A database is divided into a dynamic subarea and a static subarea for storing respectively. The database loading comprises the following steps in time process order: 1, in an initial stage, modifying data on a maintenance database independent of an online database; 2, when starting loading data, loading the data in the static subarea of a new database into a memory; 3, finishing modifying, namely finishing loading the static subarea of the new database; 4, finishing performing log increment on the dynamic subarea of an old database; 5,transmitting a loading switching event to the database connection of each application process through message oriented middleware by using a database server; 6, switching all application to the new database and performing log deletion on the dynamic subarea; and 7, finishing unloading the old database, wherein the online database is the new database. When loading the new database, the online loading of the memory database is realized by firstly loading a new static subarea, sharing the dynamic subarea by the new database and the old database, and then switching the database connection of the application process to the new database quickly from the old database in turn, and finally unloading the old database.

The invention relates to a heat-conducting powder modifier, heat-conducting silica gel and preparation methods thereof. The heat-conducting powder modifier contains stereostructure molecules, the stereostructure molecules contain A and O, the A represents Si and / or Ti, each A forms the vertex of the stereostructure molecule, and O is connected between two adjacent As. Compared with powder modifiedby a common silane coupling agent, the heat-conducting powder modified by the heat-conducting powder modifier is stable in oil absorption value which can be controlled to be + / -5%, the extrudabilityof mixed colloid can be kept in a stable state, continuous operation of production equipment cannot be affected, and the stability of the production process is facilitated; when the heat-conducting powder modifier is used in match with polydimethylsiloxane, the negative influence on the addition amount of the small molecular additive is avoided, fast curing can be realized, and the hardening problem cannot occur after the long-term use.

The invention provides a sintering machine material flattening mechanism and a sintering machine material flattening method. The sintering machine material flattening mechanism comprises a seven-roller material distributor, a base, a sintering trolley, a trolley fence plate, a bearing base, a main shaft, a material scraping plate, a connecting plate and a drive device. The base is arranged at thebottom end of the seven-roller material distributor and is in supporting connection with the seven-roller material distributor. The sintering trolley is movably arranged below the seven-roller material distributor. The trolley fence plate is arranged on the edge of the sintering trolley. The bearing base is fixed to the base and located between the base and the sintering trolley fence plate. The main shaft is arranged in the bearing base, and the axial direction of the main shaft is parallel to the sintering trolley. The material scraping plate is welded and fastened to the main shaft. The plane where the material scraping plate is located is parallel to the main shaft. The connecting plate is connected with the main shaft. The drive device is connected with the connecting plate. The sintering machine material flattening mechanism is adopted in the sintering machine material flattening method. The sintering machine material flattening mechanism and the sintering machine material flattening method can solve the problems that sintering machine material flattening plate overhauling and maintaining are difficult, material flattening timeliness is poor, responsiveness is poor, and excessive material pressing is likely to happen.

The invention discloses a transfer module and metal antenna detection assembly line applying the same. The metal antenna detection assembly line comprises a shunting module, the arrangement module, atransfer module, a detection module and a sorting module, wherein the shunting module is used for arranging stacked and disordered antennas, and inputting the antennas into the arrangement module oneby one at intervals; the arrangement module is used for aligning the antennas, acquiring an end surface image, overturning the antennas and finally inputting the antennas into the transfer module oneby one; the transfer module is used for inputting the antennas into a storage box one by one, so that a detection mechanism can conveniently convey the antennas in the storage box to probes for detection; the detection module is used for detecting the antennas; and the sorting module is used for respectively outputting qualified products and inferior-quality products to finish sorting according towhether the antennas detected by means of the detection module are qualified products or not. The metal antenna detection assembly line can realize full-automatic shunting, arrangement, conveying, detection and sorting of the antennas, is high in efficiency, gets rid of high dependence on manpower, and can realize 24-hour all-weather work, so that the manufacturing cost can be greatly reduced.

The invention discloses a novel fluidized bed biofilm carrier. The novel fluidized bed biofilm carrier comprises a hollow cylinder which is obliquely arranged, wherein the hollow cylinder is internally provided with a coaxial annular cylinder; the hollow cylinder and the annular cylinder are connected by rib walls; the rib walls are uniformly distributed by taking the circle center of the hollow cylinder as a central annular array; a cell chamber is enclosed by the adjacent rib walls, the hollow cylinder and the annular cylinder. The annular chamber is internally provided with cell chambers which are divided by the rib walls. The vertical inclined angle theta of the hollow cylinder is 10-30 degrees, preferably theta is 15 degrees. Saw teeth are arranged on the surface of the outer circumference of the hollow cylinder. According to the novel fluidized bed biofilm carrier, the cell chambers in the biofilm carrier are equivalent to a plurality of rooms so as to provide a large-area optimal environment for producing microorganisms; the inclined degree design is good for metabolism of the microorganisms and is good for growing and releasing the microorganisms.

The invention discloses a pesticide spraying device for pest control, which comprises a vehicle-mounted chassis, a pesticide storage mechanism and a pair of pressurized spraying mechanisms. The pesticide storage mechanism is mounted on the vehicle-mounted chassis, and the pair of pressurized spraying mechanisms are mounted at the tail end of the vehicle-mounted chassis and connected with the pesticide storage mechanism. A height adjusting spraying mechanism is connected between the tail end of the vehicle-mounted chassis and the pair of pressurizing spraying mechanisms. The pesticide spraying device for pest control has the beneficial effects that the pesticide spraying device for pest control is simple in structure and convenient to operate, a storage device capable of mixing pesticides is arranged, the storage mechanism is used for pressing the pesticides into the pressurized spraying mechanisms, then the pressurized spraying mechanisms are used for extracting the pesticides out of the storage mechanism, and therefore the pesticides are introduced into the height adjusting spraying mechanism. The height of the pesticide spraying position is changed by utilizing the spraying mechanism with the adjustable height, so that the pesticide spraying area and the regional concentration are changed, and the continuous operation of pesticide spraying is not influenced.

The invention provides heat supply equipment convenient for mounting an electromagnetic flowmeter. The heat supply equipment comprises a pipeline, flange rings are spirally mounted at two ends of thepipeline, springs are mounted in the flange rings in a sleeving manner, lantern rings are mounted at the other ends of the springs, first fixing buckles are welded at the top ends of the lantern rings, the electromagnetic flowmeter is fixedly installed on the first fixing buckles and provided with a display, an adjusting button is arranged at the bottom end of the display, a fixing ring is weldedto the bottom end of the electromagnetic flowmeter, a supporting column is connected with the bottom end of the fixing ring, second fixing buckles are welded to the two sides of the supporting column,the first fixing buckles and the second fixing buckles are the same in size and provided with fixing holes, and the number of the fixing holes formed in the first fixing buckles and the number of thefixing holes formed in the second fixing buckles are two. The heat supply equipment has the advantages that the structure is simple, mounting and dismounting are convenient, normal operation of the pipeline is not affected after the electromagnetic flowmeter is dismounted, and practicability is high.

The invention discloses an industrial pulverized coal boiler with double horizontal hearths arranged oppositely, and relates to the field of industrial boiler equipment. The problems that when a combustor and a hearth of an existing industrial pulverized coal boiler break down, operation needs to be stopped for maintenance, and consequently long-time continuous operation cannot be implemented are solved. A first horizontal hearth and a second horizontal hearth are oppositely arranged; when a single hearth breaks down and needs to be overhauled, the corresponding smoke baffle is closed, so that smoke is isolated, and continuous operation of the other combustor and the corresponding hearth is not affected; the two horizontal hearths are provided with respective cooling water circulation branches, and circulating water cooling is rapidly performed on a water cooling wall, corresponding to the hearth, of the shutdown combustor, so that the interior of the shutdown hearth is rapidly cooled; the temperature is displayed through a temperature detection device; and when the temperature in the boiler reaches the room temperature, maintenance personnel can start maintenance work, and therefore the interior of the hearth is effectively maintained under the state that the boiler is not shut down, and the long-time continuous operation of the industrial pulverized coal boiler is ensured. The boiler is applicable to the field of industrial boiler equipment.

The invention discloses a self-cleaning material splitting box of a wood flour fuel boiler. The self-cleaning material splitting box comprises a box body, the left side wall of which communicates to adust collecting header pipe; a screen, the front surface of which inclines to the dust collecting header pipe, is arranged in the box body; the lower end of the screen is connected to a partition plate; a gap is reserved between the partition plate and the inner wall of the box body below the dust collecting header pipe as a wood chip channel; the wood chip channel communicates to a return port in the top of the box body successively through a pipeline provided with a flour mill and a lifter; a discharge hopper is arranged in the bottom of the box body below the screen; a blowing pipe communicating to an air outlet of an air blower is arranged on the right side wall of the box body; the orifice of the blowing pipe faces the back surface of the screen; the orifice of the blowing pipe is also hermetically connected to an iron cover plate; the upper portion of the cover plate is rotatably connected to the upper edge of the orifice of the blowing pipe through a hinge; and a magnet for adsorbing the lower portion of the cover plate is fixedly mounted at the lower edge of the orifice of the blowing pipe. The self-cleaning material splitting box disclosed by the invention is cleaned automatically intermittently without inputting the cleaning labor force, so that the labor intensity is reduced effectively, and continuous operation of equipment is also not affected.