CN214193378U

CN214193378U - Heat accumulation formula environment-friendly stainless steel seamless steel pipe intelligence annealing stove

Info

Publication number: CN214193378U
Application number: CN202022374202.6U
Authority: CN
Inventors: 季学文; 严冬云
Original assignee: Shanghai Desheng Group Co ltd
Current assignee: Shanghai Desheng Group Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-09-14
Anticipated expiration: 2030-10-23

Abstract

The utility model provides a heat accumulating type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace, which comprises supporting legs, wherein the supporting legs are respectively welded on the bottom end surfaces of an annealing cavity and a bottom plate, an opening and closing door with a rectangular structure is arranged on the surface of the annealing cavity through hinges, a positioning plate is arranged on the inner wall of the front end of the annealing cavity through screws, and a plurality of inlet pipes are welded on the surface of the positioning plate in a through way; and a plurality of electric heating tubes are embedded on the periphery of the inlet pipe and positioned on the surface of the positioning plate, and heat storage layers are filled on the periphery of the electric heating tubes and positioned in the annealing cavity. The utility model discloses the locating plate, the setting of heat accumulation layer and baffle is injectd the body through location structure and is gone into tub position, and then carries out whole heat conduction, ensures the overall stability and the heat conductivity of device, at the surperficial parcel graphite alkene increase heat conduction efficiency of locating plate, improves the intensification effect of device.

Description

Heat accumulation formula environment-friendly stainless steel seamless steel pipe intelligence annealing stove

Technical Field

The utility model belongs to the technical field of stainless steel seamless steel pipe annealing stove, especially, relate to a heat accumulation formula environment-friendly stainless steel seamless steel pipe intelligent annealing stove.

Background

The seamless steel pipe has a hollow section and is widely used as a pipeline for conveying fluid, such as pipelines for conveying oil, natural gas, coal gas, water and certain solid materials; compared with solid steel such as round steel, the steel pipe has the advantages of same bending strength and torsion strength and lighter weight, is steel with an economic section, is widely used for manufacturing structural parts and mechanical parts, such as petroleum drill pipes, automobile transmission shafts, bicycle frames, steel scaffold used in building construction and the like, and is widely manufactured by using the steel pipe, so that the material utilization rate can be improved, the manufacturing process is simplified, the material and the processing time are saved, and the steel pipe is widely used for manufacturing.

Annealing is a metal heat treatment process of slowly heating metal to a certain temperature, keeping for a sufficient time, and then cooling at a proper speed (usually slow cooling, sometimes controlled cooling), and equipment for finishing annealing work is an annealing furnace, but the existing stainless steel seamless steel tube annealing furnace still has the problems of serious overall heat energy consumption and serious resource waste.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a heat accumulation formula environment-friendly stainless steel seamless steel pipe intelligence annealing stove to among the solution prior art, stainless steel seamless steel pipe annealing stove still has whole heat energy consumption serious, causes the serious problem of wasting of resources. The heat accumulating type environment-friendly intelligent annealing furnace for the stainless steel seamless steel tubes comprises supporting legs, wherein the supporting legs are welded to the bottom end surfaces of an annealing cavity and a bottom plate respectively, an opening and closing door with a rectangular structure is mounted on the surface of the annealing cavity through a hinge, a positioning plate is mounted on the inner wall of the front end of the annealing cavity through screws, and a plurality of inlet pipe openings are welded on the surface of the positioning plate in a penetrating mode; the number of the inlet pipe openings is more than four, a plurality of electric heating pipes are embedded on the periphery of the inlet pipe openings and positioned on the surface of the positioning plate, and heat storage layers are filled on the periphery of the electric heating pipes and positioned in the annealing cavity; the positioning plate is made of aluminum with a rhombus-like structure, the surface of the bevel edge of the positioning plate is subjected to radian treatment, the upper top end surface of the positioning plate is in contact with the inner wall of the Sushan annealing cavity, the inside of the positioning plate is of a cavity structure, and graphene heat-conducting films are respectively adhered to the inner surface and the outer surface of the positioning plate; the heat storage layer is made of high-temperature-resistant glass wool in a triangular structure, one end face of the heat storage layer is in contact with the inner wall of the annealing cavity, and the other surface of the heat storage layer is in contact with the outer wall of the electric heating tube; the rear end of the annealing cavity is connected with a cooling box through a partition plate, one surface of the partition plate is provided with a circular opening, and the other surface, which is positioned at the inner side of the circular opening, of the circular opening is provided with a material pushing cavity; the inner side of the material pushing cavity is used for penetrating through an inner connecting plate, and the surface of the inner connecting plate is spirally connected with a plurality of fixed pipe rings; the positioning ring is made of titanium alloy steel with a circular structure, the radius of the inner wall of the positioning ring is equal to the radius of the outer wall of the pipe body to be annealed, a threaded column is screwed at the rear end of the positioning ring, the positioning ring is of a replaceable structure, the position of the positioning ring corresponds to the position of the pipe inlet, and the number of the positioning rings is consistent with the number of the pipe inlet; the hydraulic rod penetrates through the sealing cover and is fixedly connected with the inner connecting plate in a screwing way; the cooling box is made of titanium steel with a rectangular cavity structure, the hydraulic rod penetrates through the cavity of the cooling box and the connecting plate to form bolt connection, and the connecting plate groove is arranged on the surface sliding groove of the bottom plate.

The baffle adopts the titanium alloy steel of rectangle structure, the length and width of baffle are greater than respectively the length and width of annealing chamber.

The inner radius of the round opening is equal to the outer radius of the sealing cover, and the inner wall of the positioning plate is attached to the outer wall of the inner connecting plate; the inner wall of the material pushing cavity is attached to the outer wall of the inner connecting plate.

The sealing cover is made of titanium alloy steel with a circular structure, and the inner connecting plate is made of titanium alloy steel with a rhombus-like structure.

The connecting plate is made of titanium alloy steel with a rectangular structure.

The bottom plate adopts the titanium alloy steel of rectangular structure, when the connecting plate is bottom plate surface spout rearmost end, decide the pipe ring and be located 8cm in the cooling tank rear end.

An intelligent control box is arranged on one side of the supporting leg, a PLC is electrically installed inside the intelligent control box, an input end of the PLC is connected with a button switch through a wire, an input end of the PLC is connected with a distance sensor through a wire, the PLC is S7-200 type PLC, the button switch is DS425 type button switch, the distance sensor is an M12 high-temperature-resistant distance sensor, and the distance sensor is installed at the rear end position of the annealing cavity; the power port of the PLC is connected with an external control power supply through a voltage stabilizing module, and the voltage stabilizing module adopts an LM2596 model voltage stabilizing module; the output end of the PLC is connected with a hydraulic rod through a driving module, the hydraulic rod adopts a YQ air supporting rod, and the front end of the hydraulic rod penetrates through the front end of the connecting plate; the output end of the PLC is connected with an electric heating pipe through a driving module, and the electric heating pipe adopts an HHST annealing furnace electric heating pipe.

The upper surface of the cooling box is provided with at least one connecting pipe orifice in a penetrating way, and the connecting pipe orifice is used for connecting an external transmission pipe body to realize gas or liquid conveying.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses the setting of locating plate is injectd the body through location structure and is gone into tub position, and then carries out whole heat conduction, ensures the overall stability and the heat conductivity of device, wraps up graphite alkene in the surface of locating plate and increases heat conduction efficiency, improves the intensification effect of device.

2. The utility model discloses the setting on heat accumulation layer is filled up through the clearance between filling structure annealing chamber and the electrothermal tube, forms stable heat accumulation insulation construction, seals the back at sealed lid with the device, can effectively reduce thermal loss to reach resource saving's purpose.

3. The utility model discloses the setting of baffle is arranged partition structure and sealed lid structure and is installed, forms active sealed loading, and when the hydraulic stem promoted forward, sealed lid just can contact circular trompil, realizes sealed loading, improves the resource saving performance of device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the right-side structure of the present invention;

FIG. 3 is a schematic diagram of the formal structure of the annealing chamber shown in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the baffle of FIG. 1 according to the present invention;

fig. 5 is a schematic view of the hydraulic rod of fig. 1 according to the present invention.

In the figure:

1-supporting legs, 2-annealing chamber, 3-heat accumulation layer, 4-electric heating tube, 5-inlet tube orifice, 6-cooling box, 7-connecting tube orifice, 8-partition plate, 81-round opening, 82-material pushing chamber, 9-bottom plate, 10-hydraulic rod, 101-sealing cover, 102-internal connecting plate, 103-pipe fixing ring, 11-connecting plate and 12-positioning plate.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in figures 1 to 5.

The utility model provides a heat accumulation type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace, including supporting leg 1, supporting leg 1 welds the bottom face at annealing chamber 2 and bottom plate 9 respectively, the surface of annealing chamber 2 is installed the door that opens and shuts of rectangle structure through the hinge, the front end inner wall of annealing chamber 2 is installed locating plate 12 through the screw, the surface through welding of locating plate 12 has a plurality of mouth of pipe 5 of going into; a plurality of electric heating tubes 4 are embedded on the periphery of the inlet pipe orifice 5 and positioned on the surface of the positioning plate 12, and heat storage layers 3 are filled on the periphery of the electric heating tubes 4 and positioned in the annealing cavity 2; the positioning plate 12 is made of aluminum with a rhombus-like structure, the surface of the bevel edge of the positioning plate 12 is subjected to radian treatment, and the upper top end surface of the positioning plate 12 is in contact with the inner wall of the tempering cavity 2 of the Sushan; the heat storage layer 3 is made of high-temperature-resistant glass wool with a triangular structure, one end face of the heat storage layer 3 is in contact with the inner wall of the annealing cavity 2, and the other surface of the heat storage layer 3 is in contact with the outer wall of the electric heating tube 4; the rear end of the annealing cavity 2 is connected with a cooling box 6 through a partition plate 8, one surface of the partition plate 8 is provided with a circular opening 81, and the other surface, located on the inner side of the circular opening 81, of the circular opening 81 is provided with a material pushing cavity 82; the inner side of the material pushing cavity 82 is used for penetrating through an inner connecting plate 102, a plurality of fixed pipe rings 103 are screwed on the surface of the inner connecting plate 102, and a hydraulic rod 10 penetrates through a sealing cover 101 and is screwed and fixed with the inner connecting plate 102; the cooling box 6 is made of titanium steel with a rectangular cavity structure, the hydraulic rod 10 penetrates through the cavity of the cooling box to be connected with a connecting plate 11 through bolts, and the connecting plate 11 is arranged on a surface sliding groove of the bottom plate 9 in a groove mode.

The user switches on the device to an external control power supply, the connecting plate 11 is fixed at a proper position on the surface of the bottom plate 9 through a screw, the opening and closing door of the annealing cavity 2 is opened, a steel pipe to be annealed is conveyed into the pipe orifice 5, the distance sensor senses the pipe body distance at the position of the pipe orifice, the hydraulic rod 10 is controlled to extend, the sealing cover 101 contacts the circular opening 81 in the extension process of the hydraulic rod 10, the hydraulic rod pushes the inner connecting plate 102 to continue to extend, the sealing cover 101 can realize buckling due to the blocking of the pushing cavity 82 and the circular opening 81, the pipe positioning ring 103 contacts the steel pipe when the front end of the hydraulic rod 10 moves to a fixed position, the steel pipe is buckled, the hydraulic rod 10 stops extending forwards under the control of a PLC (programmable logic controller), the default position is recovered, the annealing tension of the hydraulic rod 10 is smaller than the fixed acting force of the buckling groove on the surface of the circular opening on the sealing cover 101 in the pull-back state, and the sealing cover 101 is in the sealing state, only the hydraulic rod 10 drives the top end switch 103 to move backwards, meanwhile, along with the heating of the electric heating tube 4, the temperature of the device is raised, the tube body is raised in the device, the opening and closing door is closed after the material is fed, at the moment, the inside of the annealing cavity 2 is in a sealed state, the upper end of the annealing cavity 2 can be communicated with the surface of the positioning plate through a round hole, so that a protective atmosphere is introduced, the annealing cavity 2 in the sealed or semi-sealed state can rapidly conduct heat energy to the inside of the tube body, meanwhile, the heat energy dispersed outwards is locked through the heat storage layer 3, the problems of serious heat energy loss and low annealing efficiency are avoided, after the annealing is finished, a user controls the hydraulic rod 10 to continuously move backwards through an external control button, at the moment, the hydraulic rod can continuously retract until the whole retraction is finished, meanwhile, the tube fixing ring 103 can drive the tube body to be separated from the material pushing cavity 82, and generate thrust on the sealing cover 101, thereby make sealed lid 101 drop, the user lets in cooling liquid or cooling gas through connecting pipe orifice 7, makes the body realize cooling in cooling tank 6 inside, and the annealing is accomplished.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a heat accumulation formula environment-friendly stainless steel seamless steel pipe intelligent annealing stove, includes supporting leg (1), the bottom face at annealing chamber (2) and bottom plate (9) is welded respectively in supporting leg (1), its characterized in that: the surface of the annealing cavity (2) is provided with an opening and closing door with a rectangular structure through a hinge, the inner wall of the front end of the annealing cavity (2) is provided with a positioning plate (12) through a screw, and the surface of the positioning plate (12) is welded with a plurality of inlet pipe openings (5) in a penetrating way; a plurality of electric heating tubes (4) are embedded on the periphery of the inlet pipe orifice (5) and positioned on the surface of the positioning plate (12), and heat storage layers (3) are filled on the periphery of the electric heating tubes (4) and positioned in the annealing cavity (2); the positioning plate (12) is made of aluminum with a rhombus-like structure, the surface of the bevel edge of the positioning plate (12) is subjected to radian treatment, and the upper top end surface of the positioning plate (12) is in contact with the inner wall of the Su-Hu annealing cavity (2); the heat storage layer (3) is made of high-temperature-resistant glass wool with a triangular structure, one end face of the heat storage layer (3) is in contact with the inner wall of the annealing cavity (2), and the other surface of the heat storage layer (3) is in contact with the outer wall of the electric heating tube (4); the rear end of the annealing cavity (2) is connected with a cooling box (6) through a partition plate (8), one surface of the partition plate (8) is provided with a circular opening (81), and the other surface, located on the circular opening (81), of the inner side of the circular opening (81) is provided with a material pushing cavity (82); the inner side of the material pushing cavity (82) is used for penetrating through an inner connecting plate (102), the surface of the inner connecting plate (102) is screwed with a plurality of fixed pipe rings (103), and a hydraulic rod (10) penetrates through a sealing cover (101) and is screwed and fixed with the inner connecting plate (102); the cooling box (6) is made of titanium steel with a rectangular cavity structure, the hydraulic rod (10) penetrates through the cavity of the cooling box and is connected with the connecting plate (11) through a bolt, and the connecting plate (11) is arranged on a surface sliding groove of the bottom plate (9).

2. The heat accumulating type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace of claim 1, characterized in that: the partition plate (8) is made of titanium alloy steel with a rectangular structure, and the length and the width of the partition plate (8) are respectively greater than those of the annealing cavity (2).

3. The heat accumulating type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace of claim 1, characterized in that: the inner radius of the round opening (81) is equal to the outer radius of the sealing cover (101), and the inner wall of the positioning plate (12) is attached to the outer wall of the inner connecting plate (102); the inner wall of the material pushing cavity (82) is attached to the outer wall of the inner connecting plate (102).

4. The heat accumulating type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace of claim 3, characterized in that: the sealing cover (101) is made of titanium alloy steel with a circular structure, and the inner connecting plate (102) is made of titanium alloy steel with a rhombus-like structure.

5. The heat accumulating type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace of claim 1, characterized in that: the connecting plate (11) is made of titanium alloy steel with a rectangular structure.

6. The heat accumulating type environment-friendly stainless steel seamless steel pipe intelligent annealing furnace of claim 1, characterized in that: the bottom plate (9) is made of titanium alloy steel with a rectangular structure.