34results about How to "Large insulation area" patented technology

The invention discloses a suction opening structure of a compressor. The suction opening structure comprises a suction pipe which is fixedly connected with a suction port of a cylinder, a heat-insulation ceramic tube which is fixedly arranged inside the suction pipe, and a liquid storage tank's exhaust pipe which is fixedly connected with the suction pipe. A taper surface is formed on the external end portion of the heat-insulation ceramic tube. A bell mouth which fits with the taper surface is formed on the end portion of the liquid storage tank's exhaust pipe. The heat-insulation ceramic tube fits with the liquid storage tank's exhaust pipe through the taper surface. An assembly operator can conveniently perform total freedom degree of contact between the liquid storage tank's exhaust pipe and the end portion of the heat-insulation ceramic tube. Fitting allowance is easy to guarantee. In addition, axial freedom degree of the heat-insulation ceramic tube is restricted, and adverse influence of shock during the operation process of the compressor on the heat insulation ceramic is relatively reduced. Simultaneously, it is ensured that dimensions of the housing and subsidiary parts are not changed. In this case, as the end portion of the heat-insulation ceramic tube extends into the inside of an exhaust pipe, the length of the heat-insulation ceramic tube is relatively increased, heat insulation area is increased, and inhalation efficiency is more effectively raised.

The invention discloses a multilayer composite vacuum heat-insulating plate. The multilayer composite vacuum heat-insulating plate comprises a first heat-insulating plate main body and a second heat-insulating plate main body which are arranged in parallel with each other. Mounting plates are mounted at the top and the bottom of the side face of the side, close to the second heat-insulating platemain body, of the first heat-insulating plate main body correspondingly, and locking bolts are connected to the mounting plates in a threaded mode. One ends of supporting rods are connected to the tops and the bottoms of the locking bolts in a threaded mode correspondingly, and the second heat-insulating plate main body is fixedly mounted at the other ends, away from the locking bolts, of the supporting rods. A plurality of fixing blocks are mounted at the bottoms of the first heat-insulating plate main body and the second heat-insulating plate main body correspondingly, and mounting grooves are formed inside the fixing blocks. Pressing rods are fixedly mounted at the bottoms of the fixing blocks, pressing plates are fixedly mounted at the tops of the pressing rods, and one ends of springsare mounted in the middles of the tops of the pressing plates. Design is reasonable, conception is ingenious, the good heat-insulating effect is achieved through the multilayer composite design, andthe multilayer composite vacuum heat-insulating plate is suitable for being applied and popularized.

The invention relates to the technical field of laser cutting equipment, in particular to a large-breadth laser cutting machine which comprises a machine tool, and a material supporting mechanism, a gantry mechanism, a cutting mechanism, position adjusting mechanisms, a heat insulation mechanism and a dust removal mechanism respectively arranged on the machine tool. The rack comprises a main crossbeam, a main longitudinal beam, a first boundary beam and a second boundary beam; the material supporting mechanism comprises a first material frame and a second material frame; the gantry mechanismcomprises a first rack, a gantry, a first motor, a second rack and a guide rail; the cutting mechanism comprises a moving frame, a second motor and a laser cutting machine, the moving frame is slidably connected with the guide rail, the second motor is arranged on the moving frame, the second motor is connected with the second rack through a gear, and the laser cutting machine is installed on themoving frame; and the two sets of position adjusting mechanisms are symmetrically arranged on the first boundary beam and the second boundary beam. The large-breadth laser cutting machine provided bythe invention can adapt to the cutting machining of large-breadth plates, and is high in precision and good in effect.

The invention discloses a three-way catalyst assembly, and relates to the technical field of manufacturing of three-way catalysts. The three-way catalyst assembly comprises a barrel body in which a catalyst assembly is arranged, wherein one end of the barrel body is connected with an air outlet flange through an air outlet end cover; the other end of the barrel body is connected with an air inlet pipe through an air inlet end cover; an air inlet flange is arranged at the front end of the air inlet pipe; the air inlet pipe is formed by assembling and welding an air inlet pipe half shell I and an air inlet pipe half shell II; a plurality of mounting brackets are arranged at a position, located at the joint of the two half shells, on the air inlet pipe; a heat insulation cover is arranged outside the air inlet end cover and the barrel body; a plurality of grooves are formed in the outer surface, positioned on the barrel body section, of the heat insulation cover. Compared with the prior art, the three-way catalyst assembly disclosed by the invention has the advantage that the problem that the air inlet end cone of the three-way catalyst of a conventional turbocharged engine is easy to break can be solved.

The invention discloses an energy-saving boiler. The boiler comprises a bottom plate, a heating device is fixedly connected to the right side of the top of the bottom plate, a heating box is fixedly connected to the position, located at the bottom of the outer wall of the left side of the heating device, of the top of the bottom plate, a heat insulation plate is fixedly connected to the right side of the top of the heating box, a control panel is arranged at the top of the outer wall of the left side of the heat insulation plate, and a ventilation opening is formed in the middle of the bottom of the outer wall of the left side of the heating box. The invention relates to the technical field of boilers. According to the energy-saving boiler, heat generated by electrifying of the heating box can be transferred through connection with a preheating mechanism, meanwhile, the heat insulation plate can insulate the influence of the heat, dust generated by traditional heating can be conveniently reduced, the situation that water is scattered in the water adding process is avoided, then the utilization rate of the heat generated by heating can be improved, the boiler has good stability during working, the boiler can be uniformly heated, and the service life of the boilder is effectively prolonged.

The invention relates to a high-voltage nickel-hydrogen storage battery internal positive post secondary insulation method comprising the steps of fixing a lower transitional sleeve and a ceramic sleeve on a post rod through connecting pieces to assemble into a positive post, cleaning and wiping the positive post with acetone, coating HR-8747 high-temperature-resistant sealing insulation glue on the macroaxis surface of the post rod, the upper end face of the macroaxis, a bare part of the lower transitional sleeve, the bottom of a transitional ring, and a bare face of the ceramic sleeve between the transitional ring and the lower transitional sleeve, keeping warm for 2 hours to 3 hours at a temperature between 60 DEG C to 80 DEG C, and taking the positive post out after cooling to form the high-voltage nickel-hydrogen storage battery internal secondary insulation positive post. Before a post of a single battery is welded with a battery shell body, the surface of the positive post in the battery is coated by a layer of the HR-8747 high-temperature-resistant sealing insulation glue so as to form a secondary insulation of the positive post in the battery, to increase the insulation area if the surface of the positive post in the battery, to enlarge the insulation distance between an anode and a cathode of the battery, and to improve safety of the battery.

The invention discloses a method for preparing an interior trim part of a car roof from moxa. The method comprises the following preparation steps: firstly, extracting the moxa and combing downwind to form raw material moxa; adding activated carbon formed by carbonization of elm powder and folium artemisiae argyi into the raw material moxa, hot-pressing by a mold to form a moxa car roof matched with the car roof in shape, wherein the thickness of the moxa car roof is 2-10 mm, and the inner surface of the moxa car roof is corrugated; spraying the back surface of the moxa car roof with a layer of waterproof and moisture-proof heat-insulating aluminum membrane; blending gastrodia elata or natural silk with the moxa to prepare cloth, punching a conical inverted hole in the front surface of the cloth and then covering the front surface of the moxa car roof. The method is simple in process, and the prepared interior trim part of the car roof is good in heat-insulating effect, and can fully absorb odor in the car and send out effective ingredients with sterilization and antivirus functions, thereby preventing bacteria and virus from invading a respiratory tract, preventing influenza virus and playing a role in purifying air.

The invention discloses an abutting locking type brick body heat insulation structure. The heat insulation structure comprises an external decorative plate, an internal heat insulation plate, floating assemblies, abutting positioning mechanisms and a heat insulation filler layer. According to the heat insulation structure, rotary abutting screw rods are rotationally connected to the outer ends of clamping rods in an abutting or separating mode, when the rotary abutting screw rods are rotationally connected to the outer ends of the clamping rods in an abutting mode, locking of the clamping rods is formed, in this way, locking of driving gears is formed, then positioning of the whole floating assemblies is formed, the whole structure is more stable, the upper ends and the lower ends of aerogel sheet bodies of the V-shaped structures are fixedly connected to the inner side face of the external decorative plate and the outer side face of the inner heat insulation plate correspondingly, so that the aerogel sheet bodies of the V-shaped structures can be opened, closed and stretched in a mouth opening mode, floating of the inner heat insulation plate is cooperated, the heat insulation effect is improved, and the floating of the internal heat insulation plate is not influenced.

The invention discloses a waterproof and mildew-proof brick with heat preservation plates. The brick comprises a brick body, wherein two through holes are formed in the upper surface of the brick body and are longitudinally formed along the upper surface; tooth-shaped structures are arranged on the surfaces of inner holes of the through holes; the heat preservation plates matched with the through holes are tightly embedded into the through holes; a waterproof layer and a mildew-proof layer are arranged on the outer surface of the brick body in sequence from inside to outside. According to the brick disclosed by the invention, the tooth-shaped structures are arranged on the surfaces of the inner holes of the through holes, and the heat preservation plates matched with the through holes are arranged in the through holes, so that the heat preservation area in the brick body is greatly enlarged, loss or increase of heat is greatly reduced, and effects of warming in winter and cooling in summer are achieved; meanwhile, the volumes of the through holes are also enlarged, and the use of coal ash materials is reduced; due to the waterproof and mildew-proof layers, the service life of the brick body can be effectively prolonged, and the waterproof and mildew-proof performance can be improved. The waterproof and mildew-proof brick with the heat preservation plates has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.

The invention relates to a high-temperature plate conveying channel (L5) which comprises a channel body (1), side thermal insulating material layers (2), side cover plates (3), a bottom thermal insulating material layer (4) and a bottom cover plate (5), wherein the channel body (1) is of a U-shaped or concave structure, and is provided with a bottom surface and two side surfaces; the side thermalinsulating material layers (2) are arranged on the inner surfaces of the side surfaces of the channel body (1); the side cover plates (3) are arranged on the surfaces of the side thermal insulating material layers (2); the bottom thermal insulating material layer (4) is arranged on the surface of the bottom surface of the channel body (1); the bottom cover plate (5) is arranged on the surface of the bottom thermal insulating material layer (4); and the bottom ends of the side cover plates (3) are connected with the bottom cover plate (5). Heat losses of high-temperature materials at the bottomand on the two sides in the conveying process are reduced, material leakage of a conveyor is reduced, and deformation of the conveying channel in the conveying process is reduced, so that the life cycle of the conveying channel is prolonged, and the service life of the conveyor is also prolonged.

The invention discloses a floating type brick body heat insulation structure. The heat insulation structure comprises an external decorative plate, an internal heat insulation plate and a floating assembly. The heat insulation structure is characterized in that an integrated structure of a traditional heat insulation brick is changed into a mounting structure with the internal heat insulation plate floating on the inner side of the external decorative plate; a driving gear is rotated to drive a floating plate to float up and down, so as to drive the internal heat insulation plate to float up and down, such that a thickness of the entire heat insulation brick is adjusted; in addition, if a heat insulation effect of the heat insulation brick needs to be improved, the internal heat insulation plate can be adjusted to be far away from the external decorative plate, so that the thickness of a heat insulation adjusting gap between an insertion lug on the outer side of the internal heat insulation plate and an insertion groove in the inner side face of the external decorative plate is increased, and an air heat insulation space is increased. The heat insulation structure is flexible to use and adjustable in heat insulation effect.

A method for protecting a crystallizer through nitrogen to reduce loss comprises the following steps that a, nitrogen circulation supply preparation is conducted, specifically, a nitrogen circulation groove is formed in the position, away from an end opening, of the crystallizer, nitrogen inlet holes are evenly distributed in the nitrogen circulation groove, and the nitrogen circulation groove is communicated with the nitrogen inlet holes so that nitrogen can be supplied in a circulation mode; b, cooling water supply preparation: transforming a plurality of water inlets and water outlets of the water jacket into smooth water inlets and water outlets with inclination of 45 degrees and rotating shapes, so that the cooling water flows smoothly and uniformly for cooling; c, the copper sleeve is formed in a liquid-to-solid state, high-pressure cooling water is arranged outside the copper sleeve, and high-temperature copper water is arranged inside the copper sleeve; the inner hole of the high-temperature-resistant graphite gasket of the mold body is reduced, so that the heat insulation area of the copper sleeve at the heat insulation end is increased, the sealing and heat insulation effects are realized, and the copper sleeve is effectively protected to reduce the loss of the crystallizer. The method is high in work efficiency, effectively enlarges the heat insulation area of the copper sleeve at the heat preservation end and effectively protects the copper sleeve; and the cooling is smooth and uniform, the surface of the pipe blank is smooth, the cost is saved, and the quality and casting efficiency are improved.

The invention belongs to the technical field of diodes, in particular to a rectifier diode comprising a body and pins which are mounted at the two ends of the body. The vertical sections of the pins penetrate through the through holes on the surface of a circuit board. Inverted pins are fixedly connected on the outer side of the vertical sections of the pins. A pressing capsule is arranged at thebottom of the body and positioned between the two pins. The pressing capsule and the inverted pins are arranged, and the pressing capsule is extruded to deform to the two sides and the pressing capsule is closely fit with the body when the two pins on the body are inserted into the through holes on the circuit board so that thermal insulation of the body can be realized and the stability of conduction can be enhanced; meanwhile, the inverted pins on the pins are clamped at the bottom of the circuit board under the push of the restoring force of the pressing capsule so as to have a good fixingeffect on the pins and improve the stability of connection; meanwhile, the pins are tightly adhered to the circuit board when the pressing capsule pushes the pins outward, thereby improving the stability of conduction.