248results about How to "Will not cause accumulation" patented technology

The invention relates to a foam dust removal system used for coal mine underground mining, mainly comprising a fixed quantity addition pump, a foaming agent reservoir, a compressed air pipeline, a clean water pipeline, a foam generator, a foam spray head and so on. By utilization of the prior water pipe in a dust removal place, foaming agents are added into the water pipe by the small-flow fixed quantity addition pump; mixed liquid and compressed air which contain the foaming agents pass through the foam generator simultaneously, and a great amount of foams are generated, conveyed to the foam spray head through a hose, ejected from the foam spray head in the form of an umbrella and cover dust producing points. The invention is particularly suitable for the coal mine underground mining work surface, traveling belt transfer points, a tunnel excavated section or other dust producing points with small space and effectively controls the dust producing sources. The foam dust removal system used has the advantages of simple structure, convenient operation, capability of operating continuously, high dust removal efficiency, no electric elements and safety and reliability.

The invention provides a warehouse inventory management system. The warehouse inventory management system comprises a storage module, a scanning module and a processing module, wherein the storage module is used for storing material demand information of at least one product; the scanning module is used for scanning all the warehoused materials and assembled products; the processing module is used for calculating the quantity of each kind of warehoused materials according to scanning results and storing the quantity to the storage module, calculating the quantity of each kind of materials consumed by the assembled products according to the quantity of the assembled products and the material demand information of the products stored in the storage module, and deducting the numerical value of the quantity of the materials consumed by the assembled products respectively from the numerical values of the total warehousing quantity of each kind of materials stored in the storage module to acquire the current inventory of each kind of materials in a warehouse; and the processing module is also used for controlling and changing the display status of the materials when the current inventory of certain materials is equal to or less than the lower limit of the inventory of the prestored materials, and sending prompt messages to warn users to supplement the materials timely.

Provided are a foam dust suppression system and a foam dust suppression method for mine excavation. The foam dust suppression system comprises a control device, a foam generating device and a foam sprinkling device. The foam generating device comprises a foam generator and a foaming agent liquid storage pot. The foam generator is respectively connected with a compressed air pipeline of a mine shaft, a clear water pipeline of the mine shaft and the foam sprinkling device. The control device is installed on the compressed air pipeline and the clear water pipeline and used for controlling opening and closing of the compressed air pipeline and the clear water pipeline. The foaming agent liquid storage pot is arranged on the clear water pipeline between the control device and the foam generator and is communicated with the clear water pipeline through a material sucking device. The foam dust suppression method comprises the steps of starting control, foam forming and foam sprinkling. The foam dust suppression system is small in volume, simple in operation, even in foam output and capable of working continuously, stably and reliably and being flexibly applied to a mine excavation working face or a transferring point and other narrow spaces.

The invention discloses a method for carrying out mixed resource distribution on voice over Internet protocol (VoIP) service. The method can comprise the following steps that: when users are in an activation period, a base station allocates semi-continuous wireless resources for the users; after the allocation of the semi-continuous wireless resources by the base station is completed, the rest data quantity of a downlink buffer region and the reset data quantity of an uplink buffer region are judged, when the rest data quantity of the downlink buffer region and the reset data quantity of the uplink buffer region are greater than a certain threshold, the base station is on the semi-continuous dispatching basis, the base station can carry out once dynamic dispatching on users, the resources are allocated, and the rest data is transmitted; and when the users are in a quiesce period or a transient period, the base station recovers the semi-continuous resources allocated to the users, and the resources are allocated to the users through dynamic dispatching. The network state is distinguished through the judgment on the data quantity of voice service in the buffer region, and the flexible dispatching strategy and the self-adaptive resource allocation strategy are adopted, so the resource utilization rate can be improved on the basis of ensuing the dispatching signaling expenses, and in addition, the waiting time delay of voice data packets can be reduced.

The invention comprises (based on unit weight percent): carbon black 0.1-50, disperser 0.01-15; binder 0.01-15; aquosity dispersion medium 50-99.

The invention discloses a method for extracting multifunctional sulforaphane from broccoli sprouting vegetable. The method comprises: fresh broccoli sprouting vegetable which grows for 6-10 days is taken as raw material, and is then crushed to be 100 meshes of sieve after being frozen and dried; after that, 100 parts by weight of the processed material is taken to be added with de-ionized water, methylene dichloride, 0.001-0.003 parts by weight of Vc and 0.1-0.3 parts by weight of Na2S, the pH value is adjusted to be 4-6, and the mixed solution is hydrolyzed for 6-10h at 15-35 DEG C; finally, the sulforaphane is obtained after being filtered, washed and purified. As the broccoli sprouting vegetable which grows for 6-10 days is taken as raw material, the method can effectively increase the production rate of the sulforaphane and plays the role of activation for using myrosase to hydrolyze sulpho-glucoside by adding the Vc; meanwhile, sodium sulfide is added for overcoming the interference of Fe in the material, thus improving the production rate of the sulforaphane. The obtained sulforaphane has multiple functions such as cancer resistance, oxidation resistance and the like as well as good application prospect.

The invention discloses a disinfectant used in the breeding industry. The disinfectant comprises the components in percent by volume: 20-30mL of a sodium hydroxide solution with the mass percent of 30-45 percent, 3-7mL of peroxyacetic acid, 5-9mL of chloramine, 12-17mL of a sodium bicarbonate solution with the mass percent of 20-45 percent, 4-12mL of absolute ethyl alcohol and 12-19mL of a saponated cresol solution. All components are stirred for a certain time at a normal temperature and a normal pressure, and sub-packaged and plastic-packaged to obtain the disinfectant. By adopting the mode, according to the disinfectant used in the breeding industry, disclosed by the invention, the components adopted by the disinfectant are low in price, so that the total cost of the disinfectant is reduced, the disinfection effect is good, a good medication effect can be achieved by only consuming less disinfectant, the medication efficiency is high, toxic and hazardous effects on bred livestock and fishes are avoided, and no toxin accumulation is caused.

The invention discloses an elastoplastic device for expansion joints in buildings and road engineering. The elastoplastic device comprises a cast-in-place concrete layer and a bituminous concrete pavement layer arranged on the upper end of the cast-in-place concrete layer, wherein the center of the cast-in-place concrete layer is provided with an expansion joint filled with sponges or foams; the center of the bituminous concrete pavement layer is provided with a notch which is filled with expansion elastomers and broken stones and is internally provided with a cover plate; lower expansion bolts are symmetrically arranged around the upper part of the cast-in-place concrete layer; lateral expansion bolts are symmetrically arranged around the inner side of the bituminous concrete pavement layer; and steel bars are arranged between the end parts of the lateral expansion bolts and the lower expansion bolts. The device disclosed by the invention has the advantages of simple structure and reasonable design, and is convenient and rapid in construction; the performance requirements of the expansion joints can be met, special expansion members are not needed to be arranged, and the problem of short service life of other expansion devices under small stroke can be effectively solved; and the device disclosed by the invention has the characteristics of good elasticity and neat and beautiful appearance, and can bear vehicle load.

The invention relates to a cutoff device for cutting off a composite fibrofelt on a production line, which comprises a cutoff mechanism, a travelling mechanism, and a fibrofelt pressing mechanism. The cutoff mechanism comprises a disc blade and a drive motor of the disc blade; the travelling mechanism comprises guide rails, a sliding bracket, and a driver of the sliding bracket; the disc blade is fixed on the sliding bracket by the drive motor; moreover, the cutting surface of the disc blade is parallel with the guide rails; and the fibrofelt pressing mechanism comprises two lower pressing plates arranged on the two sides of the upper part of the disc blade, and two upper pressing plates fixed on a telescopic cylinder. The cutting device for the composite fibrofelt only needs 20 seconds to cut off the fibrofelt, which can meet the requirement of last working procedure on cutoff time, and improve the production efficiency; moreover, cutoff tool edges are in a straight line; the gram weight of the finished product can be precisely calculated and controlled; and the cutting device for the composite fibrofelt has less lap wastes.

The invention discloses a system for industrially treating silt residue soil. The system is mainly applicable to treating mud and sandy soil dug during urban construction and comprises an integral drum type mud and sand separating device, a mud and sand separating device and a mud treating portion. To-be-treated mud and to-be-treated sand can be primarily treated by the integral drum type mud and sand separating device; coarse sand and fine sand in the mud can be separated from each other by the mud and sand separating device; the mud without the sand further can be finely treated and then can be dehydrated by the mud treating portion to obtain dry mud for standby application. The system has the advantages that the to-be-treated mud and the to-be-treated sand are treated by the drum type mud and sand separating device to obtain dilute mud, sand and bulk material mixtures, and accordingly the waste soil transported by soil vehicles can be directly poured into the separating devices and can be quickly treated to obtain the dilute mud, sand and bulk material mixtures without being stacked; pottery products or porcelain products can be made of treated soil according to difference of soil components, accordingly, all waste can be truly completely utilized, waste materials can be recycled, and the system is a green and sustainable project.

The invention provides a mutterlauge recycling and catalyst purifying and regenerating system for pure terephthalic acid (PTA) and the relative method thereof. The method aims at recycling the pure terephthalic acidmutterlauge produced in the process of purifying the pure terephthalic acid (PTA), thereby leading inorganic acid solution to contain no cobalt, purifying the regenerating system with the catalyst, purifying the regenerating system with the cobalt to electrolyze out the cobalt metal, oxidating the catalyst making system to acquire oxidized catalyst, and recirculating to the production process of the pure terephthalic acid (PTA).

The invention relates to a numerical control milling method for micro threaded holes of titanium alloy. The method comprises the specific machining operation steps of replacing a traditional manual tapping method for the titanium alloy with numerical control machining to improve the quality and efficiency of threads, selecting a threaded tool made of hard alloy to ensure high efficiency and batch production of part machining, and selecting a reasonable technical machining method to ensure specification consistency of the threads, circumferential stress uniformity during threaded milling and prevent the tool from being broken. The numerical control milling method is suitable for the micro threaded holes, with the machining range smaller than M3 and the length-diameter ratio higher than 2.5, of the titanium alloy, and the bottleneck problem of tapping of the micro threaded holes, with the large-length-diameter ratio, of the titanium alloy is solved successfully. Meanwhile, drilling and tapping are completed jointly, efficiency is improved by 6-8 times, the grade of precision of the threads of the holes and specification consistency of the threaded holes are improved, and the machining requirement for high precision of titanium alloy parts can be met.

The invention discloses a 3D (Three Dimensional) printer capable of changing spraying heads for printing. The 3D printer comprises a material feeding device, a heating and clamping device (1), a driving device, a positioning device, a base (5), spraying heads (10) and a control system, wherein the heating and clamping device comprises a heating device and an electromagnet; a material inlet (7) is formed in the top part of the heating and clamping device; the driving device comprises a driving motor (2) and a driving gear (3); the positioning device comprises a positioning motor (6) and a positioning pin (9); the base is provided with material outlets, positioning holes and a rack of which the two ends are provided with position switches (4); the base is connected with the heating and clamping device; the spraying heads comprise a spraying head I and a spraying head II; and the control system is connected with the material feeding device, the driving device, the positioning device and the spraying heads. According to the 3D printer disclosed by the invention, the free change of the spraying heads is realized; processing materials with different diameters are sprayed at different working conditions; the processing efficiency is improved; the raw materials are saved; the production cost is lowered; meanwhile high-precision change of the spraying heads is realized through the positioning device; and the processing precision of parts is improved.

The invention discloses an automatic hanging and unloading system of a material basket, which comprises a hanging conveying line, a material basket hanging rod, the material basket and a disengagement blocking rod, wherein the upper end of the material basket hanging rod is connected with the hanging conveying line, and the lower end of the material basket hanging rod is used for lifting through a hanging hook and a hanging ring on the material basket; the hanging conveying line is provided with a material basket disengagement conveying area; the disengagement blocking rod is arranged below the hanging conveying line and forms a horizontal included angle with the conveying direction of the hanging conveying line in the material basket disengagement conveying area; a material basket conveying device is arranged below the material basket disengagement conveying area and is parallel to the hanging conveying line in the material basket disengagement conveying area, and the material basket conveying device and the hanging conveying line are synchronously driven; the material basket conveyed into the material basket disengagement conveying area comes into contact with the material basket conveying device; the hanging hook is disengaged from the hanging ring and positioned in an area of the hanging ring, which is to be hung; the material basket is driven to convey by the material basket conveying device; and when the material basket hanging rod is conveyed to the tail end of the disengagement blocking rod, the hanging hook is moved out of the area of the hanging ring, which is to be hung, and the material basket is unloaded. According to the automatic hanging and unloading system of the material basket, smooth unloading of the material basket is realized, and the degree of automation is increased.

The invention relates to the technical field of dairy products, in particular to formula goat milk powder for pregnant women and a preparation method of the formula goat milk powder. The formula goat milk powder for pregnant women comprises the following ingredients in parts by weight: 500 to 600 parts of fresh goat milk, 30 to 40 parts of demineralized whey powder, 5 to 10 parts of whey protein powder, 2 to 6 parts of walnut oil, 2 to 6 parts of fructo-oligose, 0.6 to 1 part of docosahexaenoic acid (DHA), 0.1 to 0.2 parts of choline, 450 to 600 parts of folic acid, 0.2 to 0.5 parts of complex vitamins and 0.2 to 0.6 parts of complex trace elements, and the formula goat milk powder is prepared according to a certain method. The DHA, the walnut oil and the fructo-oligose are added according to the nutrition requirements of the pregnant and lying-in women and the growth and development requirements of babies, and the nutrition elements including folic acid, calcium, ferrum, zinc and the like are enhanced, so the self DHA and the choline of the pregnant women are improved, the concentration in the body is maintained at a high-level state, and the excellent and sufficient nutrition can be provided in the fast development period of the brain of the babies.

The invention belongs to the field of board machining, and provides a board stacking system and a using method thereof. The board stacking system comprises a workbench, a lifting platform system and a lane conveying system. The lifting platform system comprises a lifting platform and a lifting control system, and the lifting platform is arranged on one side of the workbench; the lane conveying system is arranged below the lifting platform, the lifting platform comprises a plurality of parallel horizontal rods located at the same horizontal height, and the lane conveying system comprises a lifting conveying system and a conveying system; one end of the lifting conveying system and the horizontal rods of the lifting platform are arranged in a staggered mode, and the other end of the lifting conveying system extends to the conveying system. The problems that at present, cut boards are low in transferring and stacking efficiency, and the overall board machining efficiency is affected are solved.

The invention provides a monocular vision-based indoor water surface ship precise positioning system, which comprises a monocular vision unit, a recognition positioning unit connected with a monocular vision system and a ship end marker unit arranged on a ship, wherein the monocular vision unit is used for acquiring and outputting an image when the ship sails on an indoor water surface; the recognition positioning unit is used for image collecting, image processing, target ship recognizing, positioning and sailing information calculating; the ship end marker unit comprises two marker lamps arranged on the head and tail of the ship; the shapes of the two marker lamps are spherical and are different in color and the center of a connection line of the two marker lamps represents the shape center of the target ship. According to the invention, the ship under the indoor environment can be accurately positioned, sailing state of the ship is obtained by applying an algorithm and a result is output in real time.

The invention discloses a method for preparing a rust layer sample for being observed by a scanning electron microscope, which comprises the following steps of: a, sampling, i.e. cutting a test sample with a rust layer into two small test samples; b, carrying out spot welding, i.e. stacking the two small test samples, carrying out spot welding between the two small test samples and reserving at least one side edge which is not subjected to spot welding; c, grouting, i.e. pouring conductive silver paste into a space between the two small test samples, so that the conductive silver paste is fulfilled between the two small test samples; and d, grinding and polishing to obtain the rust layer sample for being observed by the scanning electron microscope. The rust layer test sample prepared by the method disclosed by the invention is supported by spot welding positions, so that the rust layer is avoided being squeezed by embedding of high temperature molten resin and the original appearanceof the rust layer can be furthest kept. Meanwhile, the whole test sample is an electrical conductor, so that the whole test sample is more beneficial for being observed for a long time by the scanning electron microscope without causing charge accumulation and the accurate of a measurement result can be ensured.

The invention discloses a tray-free stacking process for autoclaved lightweight concrete building blocks, and belongs to the field of concrete building block packaging processes. The tray-free stacking process is characterized by being implemented by a full-automatic packaging system, and each stacking clamp (302) is independently controlled to be opened and closed through a line; the tray-free stacking process comprises the following stacking steps: (1) setting the arrangement direction and the quantity of the building blocks on each layer in building block stack, and sizes of loading and unloading holes; (2) performing green brick rolling over: continuously rolling over a plurality of rows of building blocks row by row; (3) performing grounding: grouping the building blocks row by row until the quantity of building blocks for each layer is met; (4) performing layer-by-layer stacking: stacking the subsequent building blocks on the lower layer of the building block stack in sequence through a mechanical arm stacking mechanism (3); (5) reserving and setting loading and unloading holes; and (6) performing packaging. According to the tray-free stacking process for the autoclaved lightweight concrete building blocks, no tray is used in the whole conveying process, so that a large number of trays are saved; the building blocks can be directly carried by a forklift truck without the tray, so that the effect of the tray is thoroughly eliminated; and therefore, a lot of production cost is saved.

The invention provides a novel dual-alkali flue gas desulfurization method and flue gas desulfurization system, and relates to the technical field of flue gas purification. The method comprises the following steps of absorbing SO2 in flue gas to generate an absorption solution containing sodium sulfite and sodium bisulfite by taking sodium hydroxide or sodium carbonate as an absorbent, enabling the absorption solution to enter a regenerated reactor, regenerating the absorption solution in the regenerated reactor by using magnesium oxide or magnesium hydroxide, performing precipitation separation by virtue of a solid-liquid separator, enabling sodium sulfite or sodium hydroxide formed by regeneration to return to a desulfurization tower for flue gas absorption for recycling, enabling magnesium sulfite precipitates obtained by solid-liquid separation to enter a desulfurization product treatment system, and directly discharging magnesium sulfite or preparing magnesium sulfate. According to the method and the system, a sodium and magnesium dual-alkali method is adopted for flue gas desulfurization, so that a good desulfurization effect is achieved, oxidation is not required by the system, accumulation of sodium sulfate is avoided, and the system can run for a long time; moreover, the materials in the system can be regenerated and recycled, therefore alkali consumption is reduced, and the cost is reduced.

The invention discloses an automatic pipe winding and packing assembly line. The automatic pipe winding and packing assembly line comprises a pipe storage device, a pipe lining and conveying device, a winding device and a packing device which are arranged from right to left sequentially, wherein the pipe storage device is used for storing pipes to be wound; the pipe lining and conveying device is used for lining and conveying the pipes, so that the pipes are lined in order when being wound by the winding device; the winding device comprises reel changing arms and winding reels connected with the reel changing arms; and after being wound on the winding reels completely, the pipes in the winding reels are packed by the packing device. The automatic pipe winding and packing assembly line realizes the functions of automatic pipe winding, packing and the like, so that operation or workers and the production cost are reduced, and the production efficiency is improved.

The invention discloses a medicine applying device applied to burn patients in a heat treatment process. The medicine applying device comprises an applying head, a control switch, an applying device main body, a rotator, a protective shield, a switch button and a movable head cover, wherein a three-phase motor is arranged in the applying device main body; one end of a screw lead is connected to the three-phase motor, and a piston head is fixedly arranged at the other end of the screw lead; a drum body and a medicine discharging pipe are arranged in the applying device main body; the spraying head is arranged at the front end of the movable cover head and the protective shield is arranged at the outer end of the applying head; the control switch is arranged at the back end of the applying device main body; and the switch button is arranged at the front end of the applying device main body. The medicine applying device provided by the invention is simple in structure and novel in design;an ointment can be squeezed out in a laminar form by virtue of a medicine outlet, so that the ointment can be applied conveniently; the medicine (the ointment) can be uniformly applied by virtue of asponge protective cover; moreover, the sponge protective cover can be replaced and can avoid cross infection which is caused when the medicine is applied; and by virtue of a silk rope and a rope fixator, the device can be firmly held in a hand, so that a circumstance that the applying head gets contaminated due to accidental dropping of the device can be avoided.

The invention discloses a metal ceramic CT bulb tube. A metal casing surface of the CT bulb tube is coated with a Fe3O4 coating, and the thickness of the coating is controlled in a range of 0.01-0.08mm. The invention further discloses a technology of the metal ceramic CT bulb tube. The technology comprises steps as follows: 1), the coated metal casing matrix surface is subjected to sand blastingtreatment in advance; 2), the metal casing matrix surface is coated with the Fe3O4 coating with a plasma spraying technology, thermal radiation coefficient of a metal casing can be increased, and thermal radiation absorption capability of the metal casing is improved.

The invention relates to a composition capable of helping control body weight and a preparation method thereof. The composition capable of helping control body weight consists of the following ingredients: 400-500 parts of enzyme-hydrolyzed oat flour, 100-300 parts of milk and milk products, 50-150 parts of plant fat powder, 10-30 parts of medium-chain triglyceride powder, 10-90 parts of soybean protein, 5-30 parts of fruit and vegetable powder, 35-105 parts of resistant dextrin, 10-100 parts of oat bran powder, 10 100-parts of konjac powder, 5-60 parts of a white kidney bean extract, 5-60 parts of collagen pepetides, 3-30 parts of a fiber extract, 5-50 parts of bamboo shoot fiber, 5-15 parts of trehalose, 5-50 parts of rice protein, and 2-20 parts of vitamins and minerals. The compositioncapable of helping control body weight prepared by the preparation method is comprehensive in nutrients, better in weight reduction effects, and capable of effectively controlling body weight.

The invention relates to the technical field of sewage treatment equipment, and discloses a light-sensation-control-based electricity-saving device capable of quantitatively cleaning a sewage tank. The device comprises a first shell, wherein a sensor is fixedly connected to the outer portion of the first shell, the exterior of the first shell is movably connected with a driving structure, a waterinlet is fixedly connected to the top of the first shell, a flow guide plate is fixedly connected to the interior of the first shell, a filter plate is fixedly connected to the interior of the first shell, a suction pipe is fixedly connected to the interior of the first shell, a direct illuminating lamp is fixedly connected to the interior of the first shell, a photosensitive assembly is fixedly connected to the interior of the first shell, and a stirring structure is movably connected to the interior of the first shell. According to the invention, under the interaction of the rotator, the connector and the vibration block, when the rotator filters out impurities in sewage through rotary centrifugal effect, the cam impacts the vibration block to vibrate the filter plate, so that the treated sewage can flow out quickly, and accumulation of the sewage in the tank body is avoided.

The invention discloses a method and a device for data processing to solve the problem of lower processing efficiency for event information in the prior art. The method comprises the following steps of processing current event information by a real-time computing system to obtain result data; judging whether a time span from a writing moment corresponding to a data identification to the current moment exceeds a set time span or not according to the data identification carried by the result data, and if yes, writing the result data into a database and updating the writing moment corresponding to the data identification to the current moment, otherwise storing the result data and processing next event information. According to the method, the result data is only written into the database when the time span from the writing moment to the current moment exceeds the set time span, and the subsequent event information can be processed during the rest of the time, so that the processing efficiency for the event information is effectively improved on the premise of guaranteeing consistency of the data in the real-time computing system and the data in the database.

This invention is a thin film etching method, being applied to a semiconductor or thin film transistor array (TFT Array) film process, to improve the undercut problem of existing etching, or make the etched film's shape more perfect. The film etching method divides the existing etching process into two stages, and between the two stages, inserting into a photoresist etching process, and through appropriate photoresist etching, it increases the contact area of the film and the etching materials, so that it can eliminate the existing etching problem that the undercut or file shape is not perfect.

The invention provides a system and a method for automatic phosgene fish attracting based on a fish collection ship. The system comprises the fish collection ship, wherein a fish guide screen is arranged on a ship bow of the fish collection ship; the ship bow is connected with a fish collection tank, a fish through passage is arranged in the middle part of the fish collection ship, at least one side of the fish collection ship is connected with a river bank through a blocking air curtain device, and a river course is blocked by an air curtain; an underwater fish attracting lamp is arranged at the bottom part of the fish guide screen, and a fish passage fish attracting lamp is arranged in the fish through passage; a ship head fish attracting lamp is arranged on the ship head of the fish collection ship. In the use process, the method comprises the following steps of opening the blocking air curtain device to block the river course; opening the ship head fish attracting lamp to attract fish schools; opening the ship head fish attracting lamp, the underwater fish attracting lamp and the fish passage fish attracting lamp to attract the fish schools to enter the fish through passage; enabling the fishes to enter the fish collection tank, so as to collect the fishes, and automatically control the whole process. The system and the method have the advantages that by adopting the scheme of combining the fish collection ship, the blocking air curtain device and the fish attracting lamp, the injury to fishes by a fish guide net in the prior art is avoided, the garage stacking is avoided, and the influence to normal navigation is avoided.

The invention discloses a motorcycle engine exhaust valve stem which includes the head of one molding (1) and the rod (2). The circumference face at end of rod has a ring trough (4) and the head ( 1) located at the other end of the rod(2) , these two coinciding with the axis line. In the head (1) there is a groove(3), at the bottome of which has the capacity of home along rod part(2). The capacity of home(5) is filled by contents of sodium metal powder (6), and the Vice-home (5) Department of imports from Plug (7) Seal. This invention can timely release the heat on the head to the rod, then remove the heat from catheter. Thus it effectively prevents the head of the exhaust valve from suddenly warming and accumulating heat, and ensures the metallurgical structure and its intensity have no changes, eliminates disadvantagel caused by colloform sediment breaking upcoarse oil, so ensure the performance and the service life of exhaust valve stem.

The invention discloses a homotaxial paddle mixer, which belongs to the field of feed processing machinery, and aims to solve the problem that the oil puddle is produced when oil is added into the mixing material. The device comprises a horizontal mixing chamber and a rotor, wherein the rotor is arranged in the mixing chamber, and comprises a rotating shaft and a plurality of paddles which are arranged at the periphery of the rotating shaft, a radial crushing chamber which extends out of the mixing chamber is arranged at one side of the mixing chamber and is positioned at the downward sides of the rotating directions of the paddles, the upper and the lower sides of the crushing chamber are in smooth transition connection with the mixing chamber, a plurality of hammering groups are arranged in parallel in the crushing chamber along the length direction of the crushing chamber, each hammering group comprises one or more than one hammering piece(s) which is(are) superposed, the hammering groups are installed on hammering shafts, and the hammering shafts are in transmission connection with drive motors which are arranged outside the crushing chamber in the one-to-one correspondence way. The homotaxial paddle mixer is safe and reliable, and has a good crushing effect on the oil puddle which is produced when oil is added into the mixing material, so the oil puddle in the material can be reduced, the material mixing efficiency is high, and the mixing is more uniform.