40results about How to "Reduce wall thickness" patented technology

The utility model provides a box body and a water softener, and the box body comprises a salt box which is provided with an inner cavity and a plurality of first supporting parts, the inner cavity is used for bearing salt water and a resin tank, and the plurality of first supporting parts are arranged on the side wall of the inner cavity at intervals; the supporting middle shell is provided with a connecting base body and a first supporting base body, the connecting base body is arranged on the top of the salt box, the connecting base body covers the top opening of the inner cavity, the first supporting base body is connected with the connecting base body, the first supporting base body is located in the inner cavity, the first supporting base body abuts against the side wall of the inner cavity, and the first supporting base body is connected with the first supporting part. Due to the fact that the supporting middle shell and the side wall of the salt box jointly bear loads through cooperation of the first supporting base body and the first supporting part, the bearing pressure of the salt box is remarkably reduced, the wall thickness of the salt box can be reduced on the premise that the structural stability is not affected, and the material cost is reduced. Meanwhile, the double-support structure further improves the rigidity and durability of the whole structure by limiting the deformation of the side wall of the salt box, and the service life of the water softener is prolonged.

The invention relates to the technical field of heat energy storage, in particular to a low-liquid-level fused salt storage tank for a photo-thermal power station. A low-liquid-level device is arranged at the position, corresponding to the molten salt pump, of a bottom plate of the tank body, and the low-liquid-level device comprises an annular-groove-shaped connecting pipe assembly and an annular-groove-shaped sleeve. A main body of the connecting pipe assembly is embedded in the foundation, the end, provided with an opening, of the connecting pipe assembly is fixedly connected to the peripheral wall, provided with the through hole, of the bottom plate, so that a low-liquid-level area communicated with the interior of the tank body is formed in the groove of the connecting pipe assembly, and a suction pump shaft of the molten salt pump extends into the low-liquid-level area. The sleeve is arranged outside the pipe connecting assembly in a sleeving mode and fixed into the foundation in an embedded mode so that a space for the pipe connecting assembly to move can be formed between the sleeve and the pipe connecting assembly. According to the low-liquid-level fused salt storage tank, the technical problem of dead salt in a low-liquid-level area is solved on the premise that relative movement between the bottom of the storage tank and a foundation is not affected.

This utility model discloses a high-toughness PVC-U pipe fitting, including a direct body and pipe joints disposed at both ends of the direct body. The inner wall of the pipe joints is provided with adhesive wall-hanging grooves. The surface of the direct body is provided with multiple folded expansion grooves along the axial direction. Tie bars are pre-embedded inside the direct body, parallel to the axis, and multiple tie bars are equidistantly arranged along the circumference of the direct body. This utility model improves adhesive adhesion by providing adhesive wall-hanging grooves on the inner wall of the pipe joints, thereby increasing the bonding strength and reducing the risk of adhesive separation and decreased sealing. By providing folded expansion grooves on the surface of the direct body, the wall thickness is reduced at the location of the folded expansion grooves, and the bending deformation space is increased, thereby improving the toughness of the direct body, reducing internal stress accumulation after installation, delaying aging damage, and extending service life, thus improving practicality.

This utility model discloses a cycloalkane dehydrogenation system, belonging to the field of cycloalkane dehydrogenation technology. The cycloalkane dehydrogenation system includes a reaction feed heat exchanger, a steam condensate preheater, a reactor steam preheater, a reaction discharge cooler, a heat transfer medium steam heat exchanger, a dehydrogenation reactor, and a separator. The reaction feed heat exchanger, steam condensate preheater, and reactor steam preheater are sequentially connected to the feed inlet of the dehydrogenation reactor. The product outlet of the dehydrogenation reactor is sequentially connected to the reaction feed heat exchanger, reaction discharge cooler, and separator. The steam condensate outlet of the reactor steam preheater is connected to the steam condensate preheater. The gaseous product outlet of the separator is connected to a circulating hydrogen pipeline. The steam condensate outlet of the heat transfer medium steam heat exchanger is connected to the steam condensate preheater. This cycloalkane dehydrogenation system can extend the lifespan of the heat transfer medium, fully utilize the energy of high-pressure steam, and extend the catalyst lifespan.

This invention relates to a liquid cooling heat dissipation device and an energy storage battery module having the same, comprising a four-way valve and a flow guiding assembly. The four-way valve includes a first chamber, a second chamber, a third chamber, and a fourth chamber. A main water inlet is provided in the first chamber, and a main water outlet is provided in the third chamber. The first and fourth chambers are connected, as are the second and third chambers. A first water inlet is provided in the first chamber, and a first water return outlet is provided in the second chamber. A second water inlet is provided in the fourth chamber, and a second water return outlet is provided in the third chamber. The flow guiding assembly includes a first flow guiding channel and a second flow guiding channel. The first flow guiding channel includes a first flow guiding inlet and a first flow guiding outlet, and the second flow guiding channel includes a second flow guiding inlet and a second flow guiding outlet. The flow guiding assembly for cooling is no longer located at the bottom of the energy storage battery, does not require load-bearing, can reduce the wall thickness of the flow guiding assembly, reduce the space occupied, and thus increase the energy density of the energy storage battery.

The utility model discloses a novel heliostat stand column relates to tower type solar thermal power generation technical field, including the stand column body and the flange disc of setting at the top of stand column body, and the stand column body is the tubular structure of upper and lower port through and overall hollow, and the stand column body bottom part inserts the concrete, and the stand column body bottom part is located in the concrete and is provided with the opening section, and the opening section is uniformly distributed with a plurality of weight reduction holes for improving and the concrete bonding degree on the circumference array. The stand column body of the utility model adopts the circular thin -walled pipe structure design, reduces the stand column diameter and wall thickness, and the material and transportation cost are reduced significantly. The opening section is equipped with the circumferential distribution's strip or circular weight reduction hole, can improve the bonding degree of concrete and steel stand column, reaches the purpose that steel stand column and concrete integration works, effectively promotes the torsional and tensile capacity of stand column.

The application discloses a device cabin apron, a vehicle device cabin and a rail vehicle, relates to the technical field of rail transit, and discloses a device cabin apron, a vehicle device cabin and a rail vehicle, which relates to the technical field of rail transit, and the device cabin apron comprises an apron main body and at least two reinforcing beams. Wherein the apron main body is integrally formed of a composite material, the apron main body is provided with at least two apron profile cavities, and a concave groove is formed between the two adjacent apron profile cavities; the at least two reinforcing beams are arranged in the transverse direction of the apron main body at intervals, and the reinforcing beams are connected with the at least two apron profile cavities. The above-mentioned device cabin apron solves the problem that the existing aluminum alloy apron cannot meet the requirements of light weight and performance.

The utility model discloses a preparation device of a novel high-strength FRP pipe core for electrolytic copper foil, which comprises a steel core mold, a laying device is arranged right above the steel core mold, a grid fiber layer is sleeved outside the laying device, one side of the steel core mold and one side of the laying device are connected with a winding machine moving frame in a sliding mode, and the winding machine moving frame is connected with a winding machine. A driving mechanism used for driving the winding machine moving frame to move in a reciprocating mode is arranged below the winding machine moving frame, one side of the outer wall of the winding machine moving frame is rotationally connected with winding heads distributed at the inclination angle of 30 degrees, and the other side of the outer wall of the winding machine moving frame is fixedly connected with a gum dipping groove. According to the utility model, the grid fiber layers which are laid in an inclined and crossed manner by 30 degrees are additionally arranged and form an orthogonal interaction locking interface with the wound linear fiber layers, so that the defect of traditional single-direction fiber arrangement is overcome, and under the same strength, the grid layer and linear layer composite structure can reduce the wall thickness of the tube core, reduce the weight of a single tube core, improve the radial compression strength and improve the tensile strength of the tube core. And high-strength and light-weight tube core preparation is realized.

This invention discloses a novel aluminum alloy fuel tank structure, comprising a tank body, an L-shaped bracket fitted to the outer side of the tank body, and a pull strap with an L-shaped structure hinged to the top of the bracket, which matches the top of the tank body. The bottom end of the pull strap is pre-tightened to the bottom end of the bracket via an inclined pre-tightening bolt. A lower rubber pad is provided between the bracket and the tank body; an upper rubber pad is provided between the pull strap and the tank body; vertically arranged partitions with flanges are fixedly installed on the inner wall of the tank body at locations corresponding to the bracket; the partitions have several evenly distributed ribs on their vertical dividing plates; several plug weld holes are evenly distributed on the flanges of the partitions; the partitions are integrated with the tank body through the plug weld holes; a first circular hole is opened at the 90° bend of the lower rubber pad; a second circular hole is opened at the 90° bend of the upper rubber pad. This novel aluminum alloy fuel tank structure significantly reduces stress at the partition welds, welding time, and welding rod consumption, and reduces the wall thickness of the partitions and the tank body while meeting service life requirements.

This application relates to the field of compressor technology and discloses a centrifugal compressor, comprising: an outer casing having at least one inlet duct and at least one exhaust duct, the inner wall of the outer casing being provided with an exhaust volute; an inner casing assembly installed inside the outer casing, the outer wall of the inner casing assembly and the volute wall defining an exhaust volute chamber, the exhaust volute chamber communicating with the exhaust duct; an end cap installed at the end of the outer casing, the end cap fitting against the end of the inner casing assembly and defining an inlet volute chamber, the inlet volute chamber communicating with the inlet duct; a rotor assembly installed inside the inner casing assembly and capable of rotation, the rotor assembly compressing gas when rotating; a plurality of partitions installed between the inner casing assembly and the rotor assembly, the plurality of partitions and the inner wall of the inner casing assembly defining an airflow channel, the airflow channel communicating with the inlet volute chamber and the exhaust volute chamber; airflow flowing into the inlet volute chamber from the inlet duct, and flowing into the exhaust volute chamber through the airflow channel and then discharged from the exhaust duct.

The utility model relates to an electric water heater, it includes shell body, inner container spare and blocking material piece, inner container spare and blocking material piece set up in the installation inner chamber, and the one end of blocking material piece is connected with inner container spare, wherein, the peripheral side of blocking material piece forms and has reinforced outer edge, and reinforced outer edge extends to the direction close to inner container spare, the design of reinforced outer edge can increase the structural strength of blocking material piece, reduce its deformation after receiving the foaming action force, can also reduce the wall thickness of blocking material piece, save production cost, reduce the weight of blocking material piece, in addition, still can increase the connecting contact area with shell body, the installation positioning of blocking material piece in shell body is convenient, improves the connection stability of blocking material piece.

This utility model relates to the field of die casting technology, and provides a temperature control structure for die casting molds and a die casting mold. The die casting mold has a fixed mold frame, a moving mold frame, and a product cavity. The product cavity is located between the fixed mold frame and the moving mold frame. The temperature control structure includes: a heat insulation plate, which is placed between the fixed mold frame and the die casting machine to block the heat transfer from the die casting mold to the die casting machine; a core, one end of which extends into the product cavity to form a hole-like structure on the casting; a water channel is provided inside the core, and at least part of the inner wall of the water channel is provided with concave and convex structures distributed around the core axis. The cooling medium flows through the water channel to cool the core; the concave and convex structures form local reinforcing ribs or support points on the inner wall of the water channel, which improves the structural rigidity and deformation resistance of the core under high temperature and high pressure loads, making it possible to appropriately reduce the core wall thickness while ensuring the overall strength; the wall thickness reduction can effectively shorten the heat conduction path and improve the thermal response speed of the mold.

The utility model provides a kind of rolling rib equipment and vehicle-mounted LNG cylinder with reinforcing rib and dewar flask outer shell cylinder, wherein rolling rib equipment includes vertical column, the top side wall of vertical column is fixedly installed with crossbeam, crossbeam is installed with the upper die piece that can move up and down along crossbeam, vertical column is fixedly installed with lower die piece, the upper die piece is cooperatively arranged with lower die piece, the first drive component is installed in the side portion of upper die piece, and the upper die piece is rotated by the first drive component to realize operation. The rolling rib equipment is rolled to outer shell cylinder, so that LNG cylinder and dewar flask outer shell cylinder have greater improvement in resisting external pressure instability and stiffness, and the structure is reasonable, easy to operate, and suitable for popularization and application. At the same time, the outer shell cylinder of vehicle-mounted LNG cylinder and dewar flask is provided with reinforcing rib, which can make the outer shell cylinder have greater improvement in resisting external pressure instability and stiffness.

The invention relates to the technical field of thermal power equipment, and discloses a peripheral multi-column steel frame of a washing and absorbing two-tower-in-one structure, which comprises a steel column inner frame, a steel column outer frame and a horizontal support structure: the steel column outer frame and the steel column inner frame are both of a square frame structure; the steel column inner frame and the steel column outer frame are each of a multi-layer frame structure, each layer of frame is formed by horizontally splicing multiple sections of steel beams, and the adjacent layers of frames are vertically connected through stand columns. The steel column inner frame is arranged on the outer side of the center tower in a surrounding mode, and the steel column outer frame is arranged on the outer side of the steel column inner frame in a surrounding mode. The steel column inner frame and the steel column outer frame are connected and fixed through a horizontal supporting structure. Each layer of filler in the central tower and the pipelines outside the tower transmit loads to the peripheral multi-column steel frame; the tower can be used for bearing the load transmitted by the central tower while realizing the integrated arrangement of the water washing tower and the absorption tower, can effectively reduce the wall thickness of the tower wall, reduces the occupied area, increases the height and capacity of the tower, reduces the construction cost, and can flexibly adjust the corresponding height.

The invention relates to a lubricant guide housing (32) for being arranged in the region of a hydrodynamic torque converter, comprising a radially extending first section (33) which is arranged for axially opposite positioning to one end face (35) of the torque converter (9) in the installed state of the lubricant guide housing (32). The first section (33) transitions radially outwardly into an axially extending second section (34) which is configured for axially at least partially and radially outwardly surrounding the torque converter (9) starting from the first section (33) in the installed state of the lubricant guide housing (32). In order to realize a lubricant guide housing by means of which an excessive accumulation of lubricant in the region of the hydrodynamic torque converter can be reliably prevented, both the first section (33) and the second section (34) are configured to be completely annular.

The utility model provides a battery device and an electric device. The battery device comprises a box body, a battery monomer and a heat management assembly, wherein the battery monomer comprises two first side walls which are oppositely arranged along a first direction; the heat management assembly comprises a plurality of heat exchange mechanisms, each heat exchange mechanism comprises two second side walls which are oppositely arranged in the first direction, the single batteries are arranged between the second side walls of two adjacent heat exchange mechanisms in the first direction, each heat exchange mechanism comprises a first end and a second end which are oppositely arranged in the second direction, and the first end and the second end are arranged in the direction from the first end to the second end. The minimum distance between the two second side walls located on the two sides of the battery monomers in the first direction is gradually increased, and / or the minimum distance between the two first side walls located on the two sides of the heat exchange mechanism in the first direction is gradually increased in the direction from the second end to the first end.

The utility model discloses a die -casting die, including upper pressure mould, lower pressure mould, inlay, core -pulling, core rod, upper pressure mould includes pressure mould boss, lower pressure mould includes pressure mould recess, and the cavity is formed between pressure mould boss and pressure mould recess, and upper pressure mould is equipped with the inlay groove, and the inlay groove is communicated with the upper end surface of upper pressure mould and the cavity, and the inlay is inserted in the inlay groove, and the inlay includes the convex strip, and the convex strip forms a part of pressure mould boss, and the core -pulling is installed in the side of upper pressure mould and lower pressure mould, and the convex strip is equipped with the first through -hole, and the core -pulling is equipped with the second through -hole, and the core rod passes through the first through -hole and the second through -hole, the utility model discloses the core -pulling and core rod in the die -casting die design inside, and the core -pulling is positioned and inserted through the inlay, forms the pre -casting hole after alloy liquid fills, and the core -pulling is extracted after the casting forms, and the incidence of the inner hole defect is reduced.

The invention relates to the technical field of thermal power equipment, and discloses a peripheral sparse column steel frame of a washing and absorbing two-tower-in-one structure, which comprises a steel column inner frame, a steel column outer frame and a horizontal support structure: the steel column outer frame and the steel column inner frame are both of a square frame structure, and the horizontal section is rectangular; the central tower is arranged in the peripheral sparse column steel frame; the steel column inner frame is arranged on the outer side of the center tower in a surrounding mode, and the steel column outer frame is arranged on the outer side of the steel column inner frame in a surrounding mode. The steel column inner frame and the steel column outer frame are connected and fixed through a horizontal supporting structure. A plurality of rows of horizontal platforms and a plurality of columns of steel latticed columns are arranged on the peripheral sparse column steel frame, and a large cubic space is formed between the two rows of horizontal platforms and the two columns of steel latticed columns; and each layer of filler in the central tower and the pipelines outside the tower transmit loads to the peripheral sparse column steel frame. According to the invention, the occupied area is reduced, the height and the capacity of the tower are increased and the like while the water washing tower and the absorption tower are integrally arranged, the space is relatively wide, and the possibility of collision with a pipeline can be reduced.

The utility model relates to the technical field of coking equipment, in particular to a device for heating coal gas by utilizing waste heat of an ascending pipe. Comprising a riser body, a gas pipe, a gas inlet branch pipe, a gas inlet header pipe, a gas outlet branch pipe and a gas outlet header pipe, the riser body is a vertical cylinder, a raw gas inlet is formed in the lower part, and a raw gas outlet is formed in the upper part; the upper end and the lower end of the gas pipe are bent pipes, the middle of the gas pipe is a straight pipe, and the gas pipe is cylindrical and fixedly connected to the side wall of the riser body. The gas inlet header pipe is positioned at the upper part of the device and connected with the upper end of the gas pipe through the gas inlet branch pipe; the gas outlet header pipe is located on the lower portion of the device and connected with the lower end of the gas pipe through the gas outlet branch pipe. A heat exchange medium is coal gas which is heated by raw coke oven gas, so that the temperature of the coal gas is increased, and the coal gas consumption for coke oven heating is reduced.

This invention relates to a ceramic surface fiber composite layer, its preparation method, and its application. The high-toughness fiber composite layer is attached to the surface of a ceramic blank. The fiber composite layer is composed of multiple interwoven mullite fibers and a silica sol solidified phase. The mullite fibers have an alumina content of 70wt%~80wt% and are short-cut fibers with a length of 3~10mm. The preparation process of the fiber composite layer is as follows: silica sol is sprayed onto the surface of the ceramic blank; mullite fibers are dispersed on the surface of the ceramic blank; the silica sol is dried to fix the mullite fibers to the surface of the blank; this step is repeated several times, and after completion, silica sol is sprayed again, and the fiber composite layer is prepared when the blank mass remains unchanged. Compared with existing technologies, the ceramic with a fiber composite layer prepared by this invention can be used as tableware and art pieces, possessing advantages such as high toughness, food safety, compatibility with the ceramic blank, and suitability for the low-temperature sintering process requirements of daily-use ceramics.

This invention relates to the field of underwater robotics, and particularly to an underwater underpressure compensation electronic cabin system. It includes an electronic cabin, an overflow valve, a check valve, and a pressure compensation device. The electronic cabin and the pressure compensation device are connected via a first oil circuit and a second oil circuit. The overflow valve is located on the first oil circuit, and the check valve is located on the second oil circuit. The pressure difference between the electronic cabin and the pressure compensation device causes the overflow valve and the check valve to alternately open or close, achieving automatic pressure compensation in the electronic cabin. This invention improves the stability of components within the electronic cabin at great depths, requires no additional operation, can adaptively adjust the internal pressure of the cabin, is simple to implement, has a large volume, and can accommodate large-volume hardware systems.

This invention relates to a method for manufacturing a cast axle with partial side reinforcement. The method includes: Step 1: Creating a sand mold: A front reinforcing protrusion cavity is formed in the front recess, and a rear reinforcing protrusion cavity is formed in the rear recess; when the front and rear mold halves are closed, the front and rear recesses form the axle cavity; Step 2: Casting; Step 3: Cooling: The molten iron in the axle cavity is cooled, forming a lightweight axle with circular weight-reducing holes. A reinforcing protrusion is formed on the front surface of the connecting plate in the front reinforcing protrusion cavity, and a reinforcing protrusion is formed on the rear surface of the connecting plate in the rear reinforcing protrusion cavity. A leaf spring seat is formed in the leaf spring seat cavity; Step 4: Demolding: After separating the two mold halves, the axle sand mold is knocked off to remove the lightweight axle with circular weight-reducing holes. This invention has the advantage of achieving axle lightweighting through partial reinforcement, and is used to achieve axle lightweighting.

The invention provides a high-precision control method for joint adjustment of the wall thickness and the outer diameter of a seamless steel tube billet, and relates to the technical field of rolling automation. According to the method, an outer diameter and wall thickness setting model is established based on acquired information of the rolling process of the tubular billet, a multi-objective optimization function is constructed, and initial setting parameters are optimized by setting a deviation range. And then, according to the initial deviation degree, differential parameter adjustment strategies are executed on the outer diameter and the wall thickness respectively, so that the set error is further corrected. And when secondary deviation occurs, the deviation characteristics are subjected to refined analysis, and parameter optimization is implemented again, so that combined adjustment and coordinated control of the outer diameter and the wall thickness are realized. The method can effectively reduce the deviation between the wall thickness and the outer diameter, improves the size consistency of the tubular billet and the yield of the seamless steel tube, and has good stability and industrial application value.

The invention relates to the technical field of explosion-proof electric appliance cabinets, in particular to a pressure-relief explosion-proof electric appliance cabinet which comprises a cabinet body, a pressure relief valve, a positive pressure system and an isolation assembly. The cabinet body comprises an outer shell and an inner shell; the isolation assembly comprises four groups of isolation plates, a pressure relief cavity formed between the isolation plates and the inner shell, and a pressure relief plate connected with the isolation plates; a pressure valve is arranged at the corner angle of the inner shell; a positive pressure cavity is formed between the outer shell and the inner shell, and a mounting cavity is formed in the inner shell; and when high pressure is generated in the mounting cavity, the isolation plate is opened to introduce high-pressure gas into the pressure relief cavity for pressure relief. According to the invention, by arranging the isolation assembly to isolate the electrical components in the inner shell and arranging the pressure relief cavity, secondary disasters caused by internal high-temperature and high-pressure gas leakage can be prevented through the pressure relief cavity when the internal electrical components break down and burn.

The application belongs to the technical field of shaft sleeve processing, and discloses a processing method of a marine shaft sleeve and the marine shaft sleeve. First, the shaft sleeve original piece is installed on a processing device, and the processing angle of a processing tool is adjusted, so that the processing tool is used for three-time cutting processing of the shaft sleeve original piece with different angle schemes and different cutting processing parameters of cutting speed, feed rate and cutting depth, to form a shaft sleeve inner hole. Then, a polishing device is used to polish the hole wall of the shaft sleeve inner hole with a preset processing scheme, until the hole diameter of the shaft sleeve inner hole is equal to the inner diameter of the marine shaft sleeve, and the roughness of the hole wall of the shaft sleeve inner hole is the preset roughness, so that the shaft sleeve original piece is formed into the marine shaft sleeve. The marine shaft sleeve is processed by using the processing method, so that the labor amount of workers can be reduced, the processing cost and the labor cost can be reduced, and the working efficiency of the processing of the marine shaft sleeve can be improved.

The utility model belongs to chemical machinery and equipment technical field relates to a kind of low pressure large-capacity overlapping half-pipe reaction kettle, including cylinder, lower end of the cylinder is welded with lower head, upper end of cylinder is welded with upper head;The top surface of the upper head installs drive assembly;The drive assembly drives the built-in stirring assembly of cylinder, and stirring assembly includes stirring shaft, and the lower end of stirring shaft is sequentially installed bottom bearing, bottom stirrer, flat paddle from bottom to top, wherein bottom stirrer is located in lower head, and flat paddle is provided with multiple layers along the axial direction of stirring shaft;Cylinder outer surface is welded with the cylinder half-pipe of helically arranged, and cooling cavity is formed between cylinder half-pipe and cylinder surface, and the upper end of cylinder half-pipe is provided with first cooling water outlet, and the lower side of first cooling water outlet is provided with first cooling water inlet.The reaction kettle is high in heat transfer efficiency, and can meet the requirement of fast and uniform temperature change of material in the reaction kettle.

This invention discloses a small header structure and operating method for a 650℃ high-efficiency ultra-supercritical tower boiler, relating to the field of boiler technology. It solves the problem of reaching the upper limit of ferritic heat-resistant steel in the main and reheat steam outlet headers of tower boilers. The invention includes a main header, connecting pipes, a small header, and an outlet pipe joint. Each tube panel of the final stage superheater or reheater in the tower boiler is connected to a small header via an outlet pipe joint; the small header is connected to the main header via connecting pipes; the main header, connecting pipes, and small header are all made of iron-nickel-based high-temperature alloy materials. This invention, through the main and reheat steam outlet header and small header structure, can reduce inter-tube temperature deviation, effectively eliminating the thermal stress caused by inter-tube deviation in conventional large header schemes. It can also reduce the wall thickness of the main header, as thermal stress is proportional to wall thickness, thus reducing thermal stress, improving compressive strength, and facilitating flexible operation.

The utility model discloses a kind of reinforced cylinder liner carbon scraping ring structures, conical carbon scraping ring structure includes the carbon scraping ring inlayed in the carbon ring inlaying groove of cylinder liner body, carbon scraping ring includes carbon discharge conical surface, carbon discharge conical surface is set in the form of small end downwards, and carbon discharge conical surface is used to automatically discharge carbon deposit.The reinforced cylinder liner carbon scraping ring structure of the utility model is good at the defect that existing technology cannot automatically remove carbon deposit.