68results about How to "Play an explosion-proof role" patented technology

The invention relates to a high-molecular hot-melt adhesive for security upgrade of an automobile tyre. The high-molecular hot-melt adhesive comprises the following components in percentage by weight: 40%-60% of thermoplastic elastomers, 34%-51% of thickening agents, 5%-8% of plasticizing agents, 0.5%-1.5% of anti-aging agents, 0.2%-1% of cross-linking agents and 3%-5% of filling agents. By using a glue sprayer of the automobile tyre, the high-molecular hot-melt adhesive is sprayed to the inner wall of a tyre after being hot-melted, the inner wall of the tyre is only subjected to mould release agent removal washing and drying treatment without being subjected to any damaging processing; the tyre can be upgraded to normally operate between low temperature of -40 DEG C and high temperature of +120 DEG C by spraying a layer of the high-molecular hot-melt adhesive with the thickness more than 3.5 mm on the integral part or crown type body part of the inner wall of the tyre, and the tyre has bullet-proof, leakage-proof and anti-puncturing properties. The invention also discloses a manufacturing method of the high-molecular hot-melt adhesive.

The invention relates to macromolecule self-glue rubber for preventing automobile tire flat, comprises the following components in parts by mass (using 100 part by mass of thermoplastic elastomer as the standard): 100 parts of thermoplastic elastomer, 130-140 parts of tackifier, 100-110 parts of plasticizer, 5-5.5 parts of antiaging agent and / or antioxidant, 2-3 parts of foaming agent and 10-12 parts of filler. The macromolecule self-seal rubber after hot-melting is sprayed on the inner wall of the tire by using the automobile tire rubber sprayer, a layer of macromolecule self-seal rubber with thickness of more than 3.5mm is sprayed on all of the inner wall or partial crown type body of the tire by using the automobile tire rubber sprayer without performing any traumatic processing on the inner wall of the tire and only performing cleaning and drying treatment on the inner wall of the tire to remove the release agent, that is, the normal automobile tire is upgraded to realize that the tire can normally work within low temperature of minus 40 DEG C to high temperature 120 DEG C, and has the bullet-proof, leak-proof and puncture-proof performances; and the invention further discloses a manufacturing method of the macromolecule self-seal rubber.

The invention relates to an anti-backfire gas combustor, in particular to a combustor comprising a combustion chamber and an adjustable nozzle assembly. The combustion chamber comprises a high-temperature combustion head, an outer shell, an outer shell end plate, a flame tube and a flame tube end plate, wherein the high-temperature combustion head, the outer shell and the outer shell end plate are arranged outsides, the flame tube and the flame tube end plate are arranged insides, the adjustable nozzle assembly comprises a nozzle, a fire-retardant mesh, a gas inlet and a rear end cover and is arranged in the middle of the flame tube end plate, the nozzle of the adjustable nozzle assembly penetrates into the flame tube, the rear end cover of the adjustable nozzle assembly is fastened with the outer shell end plate through bolts, the high-temperature combustion head, the outer shell and the outer shell end plate are connected into a whole through bolts to form an interlayer hollow cavity together with the flame tube in the combustion chamber and the adjustable nozzle assembly, the flame tube is uniformly provided with radial hybrid air distribution holes and tangential air inlet grooves, the flame tube end plate is uniformly provided with axial air inlets, and combustion air inlets arranged on the outer shell are communicated with the interlayer hollow cavity and the air distribution holes or the air inlet grooves. The invention has high safety performance and long service life and is more energy-saving and environment-friendly.

The invention discloses temperature-resistant macromolecule self-seal rubber and a manufacturing method thereof, and the self-seal rubber is composed of the following components in parts by mass: 100 parts of thermoplastic elastomer, 75-86.5 parts of tackifier, 6-11.7 parts of plasticizer, 1-3 parts of antiaging agent and / or antioxidant and 4-19 parts of foaming agent. The temperature-resistant macromolecule self-seal rubber is sprayed on the inner wall of a tire by using an automobile tire rubber sprayer without performing any traumatic processing on the inner wall of the tire and only performing cleaning and drying treatment on the inner wall of the tire to remove the release agent, a layer of temperature-resistant macromolecule self-seal rubber with thickness of more than 3.5mm is sprayed on all of the inner wall or partial crown type body of the tire, and then the tire is upgraded that the tire can normally work within low temperature of minus 40 DEG C to high temperature 120 DEG C, and has the bullet-proof, leak-proof and puncture-proof performances. The invention further discloses a manufacturing method of the temperature resistant macromolecule self-seal rubber.

The invention relates to a macromolecular hot melt adhesive used for safety upgrade of automobile tires and having a self-repair function. The macromolecular hot melt adhesive consists of the following components in percentage by weight: 40 to 60 percent of thermoplastic elastomer, 34 to 51 percent of tackifier, 5 to 8 percent of plasticizer, 0.5 to 1.5 percent of anti-aging agent and / or antioxidant, and 0.2 to 1 percent of cross linker. The macromolecular hot melt adhesive is sprayed on the inner wall of a tire by using an automobile tire adhesive sprayer, any destructive processing is not needed for the inner wall of the tire, the inner wall of the tire is only subjected to release agent removal cleaning and drying treatment, the whole or crown part of the inner wall of the tire is coated with a layer of macromolecular hot melt adhesive of which the thickness is more than 3.5mm, and then the tire can be upgraded to run normally at the temperature of between -40 DEG C and 120 DEG C and has bullet-proof, leak-proof and prick-resistant performance. The invention also discloses a manufacturing method for the macromolecular hot melt adhesive.

The invention provides application and a preparation method of macromolecule self-sealing glue. The macromolecule self-sealing glue is applicable to auto tires. The macromolecule self-sealing hot melt glue is coated on the whole surface of the inner wall of the auto tire or coated on a crown-shaped body part in the upper surface of the inner wall by virtue of the hot melting and spraying technology so as to form an uniform coating being 3.5mm in thickness; the macromolecule self-sealing glue comprises the following components in parts by mass: 100 parts of thermoplastic elastomer, 80 to 100 parts of thickening agent, 10 to 25 parts of plasticizer, and 2 to 4.5 parts of anti-aging agent and / or antioxidant. According to the application, the macromolecule self-sealing glue is coated on the inner wall of the tire without any destructive processing for the inner wall of the tire, the inner wall of the tire is simply treated by washing with a release agent and drying, and then the tire can be upgraded to be able to run normally at the temperature ranging from minus 40 DEG C to +120 DEG C and has the shot-proof, leakproof and puncturing resistant performances.

The invention relates to a polymer self-sealing hot melt adhesive capable of providing leakproof safety performance to a vehicle tire and a preparation method and application thereof. The polymer self-sealing hot melt adhesive comprises the following components in parts by weight: 100 parts of thermoplastic elastomer, 100-150 parts of tackifiers, 80-110 parts of plasticizers, and 4 parts of anti-aging agents and / or antioxidants. By using a rubber tire glue sprayer, the polymer self-sealing hot melt adhesive disclosed by the invention is sprayed on the inner wall of the tire, and is free of traumatic processing on the inner wall of the tire, just the inner wall of the tire is subjected to cleaning and drying treatment to remove a release agent, a layer of polymer self-sealing hot melt adhesive of which the thickness is greater than 3.5mm is sprayed on the whole inner wall or the crown body part of the tire, so that the tire can be upgraded to normally run within the range from the low temperature of -40 DEG C to the high temperature of +120 DEG C. The polymer self-sealing hot melt adhesive has bulletproof property, leakproof performance and punctured resistance. A method for manufacturing the polymer self-sealing hot melt adhesive is also disclosed by the invention.

The invention discloses application and preparing method of a macromolecular self-sealing hot melt adhesive which is used for an automobile tire. The macromolecular self-sealing hot melt adhesive is sprayed on the whole or the crown part of the inner wall surface of the automobile tire through a hot melt spray technology, and a uniform coating which is more than 3.5 mm in thickness is formed, wherein the macromolecular self-sealing hot melt adhesive consists of the following ingredients according to ratio by weight: 40-60% of thermoplastic elastomer, 34-51% of a tackifier, 5-8% of a plasticizer and 0.5-1.5% of an anti-ageing agent / antioxidant. The macromolecular self-sealing hot melt adhesive is sprayed on the inner wall of the tire, any destructive processing is not required to be carried out on the inner wall of the tire, and the removal washing of a mold release agent and drying processing are carried out on the inner wall of the tire only, the tire can be updated into a such tire capable of normally working in a range from the low temperature of -40 DEG C to the high temperature of 120 DEG C, and the tire has bullet-proof, leakage-proof and stab-proof performance.

The invention discloses a toluene insoluble substance measuring device which comprises an extraction cylinder and a beaker, wherein the extraction cylinder is connected with the beaker; a sealing element is arranged above the extraction cylinder; a liquid inlet is formed in the sealing element, and is connected with a liquid feeding device. The toluene insoluble substance measuring device disclosed by the invention can meet the requirements on measurement of a toluene insoluble substance and intensively realizes functions of liquid feeding, heating, stirring, filtration experiment and the like; moreover, the toluene insoluble substance measuring device is simple and reliable in structure, the requirements on an operator are greatly reduced, the experimental period is greatly shortened, the work efficiency is improved, and simultaneously, the operator is prevented from the contact with chemical reagents for a long time so as to ensure the safety of the operator.

The invention discloses a safety lithium battery shell which includes a battery shell body and an electrode inducing sealing structure. The safety lithium battery shell has characteristics in that: the shell body is a narrow strip structure, and has height more than 100mm, the shell body height is 10 times greater than width or thickness, the shell body narrow side has a row of safety explosion proof structure. The shell has narrow strip structure, and has the explosion proof structure in narrow side which can play a role of explosion proof effectively and solve problem of battery gassing.

The invention relates to the technical field of chemical equipment, and specifically discloses an explosion-proof distillation retort for chemical equipment. The explosion-proof distillation retort comprises a main tank body, a tank cover is arranged on the upper side of the main tank body; a temperature measuring opening is obliquely formed in the tank cover; an explosion-proof cylinder corresponding to the temperature measuring opening in position is obliquely arranged in the main tank body; a thermometer is inserted into the explosion-proof cylinder, a pressure relief assembly is arranged in a short pipe, a flow control assembly in transmission connection with the pressure relief assembly is fixedly connected to a distillation pipe, a frame-shaped scraping strip is arranged in the maintank body, a driving assembly for driving the frame-shaped scraping strip to rotate is arranged on the tank cover, and a temperature control assembly is arranged in the wall of the main tank body; theexplosion-proof distillation retort has a pressure relief effect on the tank body, meanwhile, the strength of the internal pressure can be transmitted to the flow control assembly through the pressure relief assembly, so that the leading-in amount is controlled according to the pressure, a reinforcing structure is arranged at the inserting position of the thermometer to achieve an explosion-proofeffect, and the explosion-proof distillation retort is convenient to clean and control the internal temperature.

The invention discloses a self-sealed tire adhesive for security upgrading of an automobile tire. The adhesive comprises the following components in parts by mass (taking 100 parts by mass of thermoplastic elastomer as the standard): 100 parts of thermoplastic elastomer, 140-160 parts of tackifier, 100-120 parts of plasticizer, 4 parts of anti-aging agent and / or antioxidant 4 and 6-8 parts of filling agent. The self-sealed tire adhesive disclosed by the invention is sprayed onto the inner wall of the tire by using an automobile tire adhesive spraying machine, the inner wall of the automobile tire is prevented from generating any damage processing but is only subjected to washing by a demolding agent and drying treatment, the self-sealed tire adhesive that the thickness is greater than 3.5mm is sprayed on the whole inner wall or the crown-shaped part of the automobile tire, thus the ordinary automobile tire can be upgraded into a bulletproof, anti-leakage and pricking-resisting automobile tire which can work normally within a temperature range from a low temperature of minus 40 DEG C to a high temperature +120 DEG C. The invention further discloses a preparation method of the self-sealed tire adhesive.

The invention relates to a high-molecular self-sealing polymer for automobile tires and a preparation method thereof. The self-sealing polymer is composed of two ingredients, namely a solid state and a liquid state. Main ingredients of the self-sealing polymer contain, by weight, 30-38% of a styrenic thermoplastic elastomer, 40-45% of thermoplastic polymer resin with its relative molecular weight of 200-2000, 5-15% of a plasticized softening ingredient, 1-2% of an anti-aging antioxidation ingredient, 0-2% of a catalytic promotion ingredient and 0-8% of a filling temperature-resistant ingredient. The high-molecular self-sealing polymer provided by the invention undergoes hot-melt spraying on the inside wall surface of an automobile tire so as to form a uniform coating which is no less than 3.5 mm thick. The uniform coating can have leakage-proof, anti-pricking and cannonproof effects. The invention has advantages as follows: raw materials are convenient to purchase; cost is low; and the product has good elasticity, tensile strength, self-complement leakproofness and the like. The invention provides more effective technical support for improving usability of the product and reducing use cost of users.

The invention relates to self-sealed tyre leak-repairing glue for security upgrade of an automobile tyre. The self-sealed tyre leak-repairing glue comprises the following components in percentage by weight: 40-60% of a thermoplastic elastomer, 34-51% of a tackifier, 5-8% of a plasticizer, and / or 0.5-1.5% of an antiaging agent and 2-5% of filler. The self-sealed tyre leak-repairing glue is sprayed on the inner wall of the tyre by an automobile tyre glue sprayer, the inner wall of the tyre is not destructively processed, and the release agent is just removed to clean and dry the inner wall of the tyre. The self-sealed tyre leak-repairing glue which is thicker than 3.5mm is sprayed on the whole or the crown part of the inner wall of the tyre, so that the tyre is upgraded to the tyre which can normally work from a low temperature of -40 DEG C to a high temperature of 120 DEG C. The tyre has the performances of elasticity resistance, leak prevention and prick resistance. The invention further discloses a preparation method of the self-sealed tyre leak-repairing glue.

The invention discloses a device for simultaneously measuring a plurality of types of insoluble substances. The device comprises more than two insoluble substance determining devices, a vacuum pump and a solvent system, wherein the insoluble substance determining devices comprise a first insoluble substance determining device or a second insoluble substance determining device; each insoluble substance determining device comprises a heating device, a liquid feeding device, a pumping device and a solvent room; the insoluble substance determining devices are arranged in the shells; the solvent system is connected with the pumping device by a liquid feeding pipeline; the pumping device of the first insoluble substance determining device further comprises a steam loop; the solvent system is connected with the solvent room of the first insoluble substance determining device by the liquid feeding pipeline; the second insoluble substance determining device further comprises a sealing piece; the sealing piece is provided with an agitating device and a liquid inlet; the liquid inlet is connected with the solvent system by a pipeline. According to the device disclosed by the invention, a set of peripheral device is commonly utilized to carry out insoluble substance determination of the two types of insoluble substances, so as to simultaneously determine toluene quinoline insoluble substances.

The invention discloses a mine operating platform for automatic water draining, which aims to separate a keyboard data line from an industrial personal computer and improve control accuracy and security of a mine underground automatic water draining system. The mine operating platform for automatic water draining comprises a main cavity, a wire connection cavity, a cooling fin, the industrial personal computer, an intrinsic safe power supply, a transformer, a zener isolated gate, a fuse protector, a miniature circuit breaker, an anti-explosion display device, a waterproof mouse keyboard device and a button switch; a panel is arranged in the main cavity to divide the interior of the main cavity into an upper part and a lower part; the industrial personal computer, the miniature circuit breaker, the fuse protector, the transformer, the zener isolated gate, and the intrinsic safe power supply are fixed on the upper part in the main cavity; the waterproof mouse keyboard device is arranged on the lower part in the main cavity; the whole anti-explosion display device is fixed on a front cavity door; the lower panel of the wire connection cavity is connected with a cable entry device; a wire connection cavity flange and a wire connection cavity cover are connected through a fastening bolt; a terminal block and a terminal are arranged in the wire connection cavity; and an external power supply is connected with the transformer in the operating platform through the terminal.

The invention discloses an industrial explosion-proof human-computer interface, which comprises an explosion-proof upper cover and an explosion-proof tank. The explosion-proof upper cover comprises anexplosion-proof upper shell, a capacitive touch screen, explosion-proof tempered glass, a display screen pressing frame, and a display screen. The explosion-proof tank comprises an explosion-proof lower shell, a Zener safety barrier, a computer main board, a display screen backlight panel, a touch screen controller, and an explosion-proof cable gland. The industrial explosion-proof human-computerinterface is compact in structure, excellent in explosion-proof performance, convenient to mount and operate, and small in size, can be arranged on the production site with an explosion-proof requirement, can perform data monitoring and equipment control on the site, and can accurately and immediately control various parameters in conjunction with intuitive observation of site equipment. When theproduction is abnormal, an operator can arrive at the site immediately and perform site disposal within prime time, thereby improving the dealing efficiency.

The invention relates to a power system compensation capacitor integrated test system. The system comprises a rotation test device, a vibration test device, a temperature test device, an extrusion test device and a main control device. According to the system, the rotation test device, the vibration test device, the temperature test device and the extrusion test device are combined and can performvarious tests on a capacitor, and collected test data provides a basis for subsequent analysis and improvement.

The invention discloses an anti-explosion safety device of an autoclave. A through hole is arranged on a cover of the autoclave, a hollow cylinder is sealed and fixed on the through hole communicated with the hollow part of the hollow cylinder, the hollow cylinder is provided with a circular upper end, radial threads are arranged on the outer cylindrical surface of the upper end, and a fusible sheet covers the hollow part of the upper end of the hollow cylinder and is smaller than the upper end of the hollow cylinder; the upper part of the inner wall of a nut is provided with a baffle plate which faces to a geometric center shaft of the nut screwed with the upper end of the hollow cylinder, the baffle plate seals and compresses the fusible sheet, and the middle of the fusible sheet is exposed; the fusible sheet can be fused under the function of high-pressure steam to provide an exhaust passage for high-pressure air, and the diameter of the exhaust passage is 1 centimeter so that the exhaust passage can not be blocked by stewed foods, thereby the fusible sheet takes the effect of absolute explosion prevention; and after the fusible sheet is fused, the fusible sheet needs to be replaced by a new fusible sheet. Compared with the traditional anti-explosion safety device of the autoclave, the anti-explosion safety device of the autoclave in the invention is safer and more efficient and has simple structure and low cost, and is easy to implement.

The magnesian flame-resistant and explosion-free oil tank comprises of an inner tank, outer tank and bracket, with the inner tank made of steel plate and inside the outer tank, and some magnesian sand particles or the mixture of it with the expanded pearlite particles filled within the gap between them. The outer tank is made of glass fiber reinforced plastic. With flame-resistant and fire-retardant magnesian materials filled within the inner and outer tanks, it is efficient in fire preventing. Besides, it is antiseptic, abrasion resistant, light in weight, low of cost, shock preventing, and fine in appearance, so as to make it particularly applicable in skid mounted oil filling station.

The invention discloses a motor junction box comprising an upper cover and a box body fixed to a wire holder, wherein a fixing groove for mounting the box body is formed in the wire holder, an inward groove is formed in the outer side of a lower end of the box body, a sealing ring is arranged on the side edge of the fixing groove, the sealing ring is jointed with the groove, a cloud motherboard is fixed to the bottom of the box body, two fixing blocks are arranged on the bottom of the box body on left and right sides of the cloud motherboard, a sealing plate is inserted between two fixing blocks, a fixing seat for fixing a wiring board is arranged at the bottom of the box body on front and back sides of the cloud motherboard, a mounting plate fixed to the fixing seat is arranged on the lower end of the wiring board, a plurality of binding posts are arranged on the wiring board, a supporting plate located at the same height as the upper end of the sealing plate is arranged on inner walls of the front and back sides of the box body, an upper sealing plate is fixed to the supporting plate and the sealing plate, and an upper cover is fixed to the box body on the upper end of the upper sealing plate. The motor junction box is simple in structure, reasonable in design, is able to enhance the sealing and prevent external dust from entering the junction box to damage the interior to cause explosion.

The invention relates to a reaction kettle washing device comprising a handheld rod. The rear end of a pneumatic motor is fixedly connected with the handheld through a universal joint, a high-pressure hose is arranged in the handheld rod, and the bottom end of the high-pressure hose is connected with an air inlet of the pneumatic motor; a fixing plate is fixedly arranged at the output shaft end of the pneumatic motor, and a scouring pad is arranged on the fixing plate; the handheld is arranged on an adjusting mechanism for adjusting the angles of the pneumatic motor and the handheld rod, and the adjusting mechanism comprises three or more second pull lines which are arranged along the handheld rod; one ends of the second pull lines are fixedly connected with the front end of the pneumatic motor, and the other ends of the second pull lines are placed at the top end of the handheld rod in an extending mode and provided with pull rings; and the corresponding second pull lines are pulled and dragged through the pull rings to enable the included angle of the pneumatic motor and the handheld rod to be changed. According to the device, wiping and washing operation of the inner wall of a semi-automatic reaction kettle is achieved, the situation that an operator goes into the kettle for wiping can be avoided to a certain extent, the labor intensity is relieved, safe operation of the operator is ensured, and the risks of reaction kettle washing are reduced.

An explosion-proof protection structure for a dangerous gas environment of a laser radar comprises a first outer cover and a second outer cover, the first outer cover and the second outer cover are fixedly connected through bolts, an installation frame is welded to the outer surface of the first outer cover, and notches are formed in the positions, located on the two sides of the installation frame, of the outer surface of the first outer cover. The technical key point is that the outer surface of the laser radar is provided with a radar shell and is combined with a first outer cover for use,so that multi-layer protection of the laser radar is realized; the rubber inner sleeve in the radar shell is tightly attached to the outer surface of the laser radar and buffers impact force from theoutside, and the explosive-proof protection effect is achieved. The glass cover, the glass inner plate and the glass pressing plate are used in a combined mode and are all made of explosion-proof glass materials, so that the explosion-proof effect can be achieved while normal use of the laser radar is prevented from being affected. And meanwhile, the glass cover is spirally mounted, so that the position of the glass inner plate is fixed, and subsequent replacement operation is facilitated.

The invention relates to a preparation method of a polymer self-sealing polymer for a car tire. The self-sealing polymer is formed by a solid ingredient and a liquid ingredient, wherein the self-sealing polymer comprises the following main components in percentage by weight: 30%-38% of styrenic thermoplastic elastomer, 40%-45% of thermoplastic polymer resin of which the relative molecular weight is 200-2,000, 5%-15% of plasticizing softening component, 1%-2% of anti-ageing component, 0%-2% of catalytic prompting component and 0%-8% of filling heat-resistant component. The polymer self-sealing polymer provided by the invention is sprayed on the inner wall surface of the car tire in a hot melting manner, forms a uniform coating which is not smaller than 3.5mm thick, and can play the roles of sealing up, preventing stabbing and preventing bullets. The polymer self-sealing polymer has the advantages of being convenient to purchase raw material components, low in cost, good in elasticity, tensile property, self-filling air-tightness and the like, and a relatively effective technical support is provided for improving the usability of the product, and reducing the use cost of the user.

The invention relates to the technical field of a light emitting diode (LED) lighting lamp and discloses a using method of light conduction heat dissipation liquid in a liquid cooling LED lighting lamp. The method comprises the following steps: (1) a lamp cap, a lamp core and a lighting lamp shell which are matched with each other are respectively manufactured; (2) the light conduction heat dissipation liquid is filled in a transient heating device for heating through a quantitative filling machine; (3) the light conduction heat dissipation liquid heated to a filling temperature is filled in the lighting lamp shell; and (4) the lamp core is arranged in the light lamp shell. According to the using method and application of the light conduction heat dissipation liquid in the liquid cooling LED lighting lamp, heat dissipation efficiency of the LED lighting lamp is improved, a lighting angle of the LED lighting lamp is enlarged and service life of the LED lighting lamp is prolonged.

The invention relates to a self-repairing sealing polymer gel for repair of an automobile tire. The self-repairing polymer gel mainly comprises the following components by weight percent: 30-38 percent of styrene thermoplastic elastomer, 40-45 percent of thermoplastic polymer resin with the relative molecular weight of 200-2000, 5-15 percent of plasticizing and softening component, 1-2 percent of anti-aging antioxidant component, 0-2 percent of catalytic promoter component and 0-8 percent of filling temperature-resistant component. The macromolecular self-repairing sealing hot melt polymer gel provided by the invention is sprayed on the surface of the inner wall of an automobile tire to form a uniform coating of not less than 3.5 mm thick, and therefore plays the roles of resisting against leakage, pricking and bullet and can be used in military vehicles or civil vehicles; and the self-repairing sealing polymer gel for repair of an automobile tire has the advantages that the raw materials are conveniently purchased and low in cost, and the elasticity, the tensile resistance, the self-repairing sealing effect are good and the like, and provides an effective technical support for improving the use performance of products and reducing the use cost of users.

An energetic synergistic coal-saving agent contains (by weight) 5.5-6% of potassium permanganate, 55-60% of sodium chloride, 4-12% of potassium nitrate, 14-14.5% of active soil, and 7-13.5% of calcium carbonate. By means of adding the proportioning energetic synergistic coal-saving agent into a fire coal, the combustion of the coal will achieve an ideal state, the exhaustsmoke, solid sulphur and pollution may be reduced greatly, thus it is capable of saving the coal by 20-35% synthetically.

The invention relates to a flexible cable accessory explosion-proof apparatus and a mounting method. The apparatus comprises a flexible oil-filling belt capable of being fixed and wrapped on a cable accessory, wherein a plurality of hollow oil-filling compartments are arranged in the flexible oil-filling belt and filled with insulating oil used for flame retardance; and an oil-filling hole capable of being sealed is formed in each oil-filling compartment. According to the apparatus and the mounting method, the flexible oil-filling belt is arranged and the hollow oil-filling compartments are arranged in the flexible oil-filling belt, so that the flexible oil-filling belt can be filled with the insulating oil; the flexile oil-filling belt is wrapped on the cable accessory after being filled up with the insulating oil; a huge pressure is generated due to explosion when the cable accessory has a fault, so that a side wall of the flexible oil-filling belt close to the cable accessory is broken; an generated electric arc can be extinguished after the insulating oil is released, so that a fire accident is avoided; the flexible oil-filling belt in the apparatus can be deformed under the action of the explosion to improve the explosion-proof effect; and the flexible oil-filling belt can be deformed and is suitable for performing explosion prevention in a narrow and small environment or at special parts such as a part irregular in shape and the like.

The invention discloses an oil make-up device of a pressure compensation hydraulic damper and aims at providing a device which cannot be affected by environmental factors such as temperature, vibration and impact. According to the proposed technical scheme, the outer side of the blind hole end of an oil cylinder block is provided with a heat safety valve with the radial vertical axis, and the heatsafety valve communicates with an oil cavity; the heat safety valve is internally provided with a heat safety valve spring; a sealing element is vulcanized on a skeleton to realize rubber soft sealing; the sealing surfaces of a compensation piston and an oil make-up box are provided with two n-shaped combined seals; an end over is internally provided with a bearing sleeving a damping spring to provide compensatory pressure required by reciprocating motion of the oil cylinder block for the hydraulic damper; when the damper is in an oil shortage state, the damper spring generates pretighteningforce to force oil to flow to a damping cavity of the damper to provide the oil required for normal operation; when the oil stored by the oil make-up device is insufficient, an oil make-up port of thecompensation piston is connected with an oil nipple, and an oil feeding valve body is turned on under the action of pressure of an external hydraulic source to supplement oil to a compensation device.

The invention discloses an explosion-proof heating tube, which comprises an integrated box, a heating mechanism, an explosion-proof tube sleeve and cooling fins. The heating mechanism is arranged on the integrated box, threads are arranged on the periphery of the heating mechanism, and corresponding threads are arranged on the inner periphery of the explosion-proof tube sleeve, with the heating mechanism and the explosion-proof tube sleeve being connected to each other in a manner of thread fit; the explosion-proof tube sleeve is made of metal heat conduction materials, and the length of the explosion-proof tube sleeve is smaller than the length of the heating mechanism; a plurality of cooling fins are arranged on the periphery of the anti-explosion tube sleeve in parallel, and the coolingfins are obliquely arranged. The anti-explosion device has a good anti-explosion effect and prevents equipment from deforming in the using process, the heating efficiency of equipment is improved, and the heating effect is guaranteed.