CN214488316U

CN214488316U - Annular heating furnace is used in cold-drawn steel pipe production

Info

Publication number: CN214488316U
Application number: CN202120150561.5U
Authority: CN
Inventors: 刘飞; 陆奇伟; 周邦安; 董保军; 杨青华
Original assignee: Huabang New Material Technology Wuxi Co ltd
Current assignee: Huabang New Material Technology Wuxi Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-26
Anticipated expiration: 2031-01-19

Abstract

The utility model is suitable for a cold rolling steel production technical field provides an annular heating furnace is used in cold drawn steel pipe production, including furnace body, supporting seat, support, sealed lid, axis of rotation and air discharge fan, the furnace body embeds the support, and the heating frame on the accessible support is used for installing the cold drawn steel rod, can make the steel pipe vertically put into the heating furnace, and the effect of being heated is higher, inserts and extracts the steel pipe, and it is more convenient to use; the heating layer capable of heating is arranged on the inner wall of the furnace body, the heating area is more, the steel pipe is heated more uniformly, and the heating efficiency is higher due to the fact that the heating layer capable of heating is uniformly arranged in the furnace body and the built-in electric heating wire is used for heating; the exhaust fan is embedded on the top wall of the furnace body, and can exhaust heat inside the heating furnace after the heating furnace finishes working, so that the heat dissipation efficiency of the furnace body is improved, the cooling speed in the furnace is accelerated, the steel pipe can be taken out quickly, and the processing speed of the cold drawn pipe is effectively improved; the inner wall is provided with the refractory bricks, so that the fire resistance of the heating furnace can be improved, and the service life of the heating furnace is prolonged; and the heating furnace has simple structure and more convenient operation.

Description

Annular heating furnace is used in cold-drawn steel pipe production

Technical Field

The utility model belongs to the technical field of cold-rolled steel production, especially, relate to an annular heating furnace is used in cold-drawn steel pipe production.

Background

In the current technical field of cold rolled steel production, cold drawn steel pipes are steel pipes without seams on the surface of the whole steel pipe produced by drawing, extruding, perforating and other methods. The steel is round, square and rectangular steel with a hollow section and no seam at the periphery. The steel ingot or solid pipe blank is made into a tubular billet through perforation and then is made into the hollow billet through cold drawing.

In the production of our common cold drawn steel pipe, need use annular heating furnace, heat the cold drawn pipe, the annular heating furnace for the common cold drawn pipe of my men, it is inhomogeneous to heat, and the stove easily produces waste gas during the concurrent heating, can't in time discharge, and the operation is comparatively complicated.

SUMMERY OF THE UTILITY MODEL

The utility model provides an annular heating furnace is used in cold-drawn steel pipe production aims at solving the ordinary heating furnace heating inhomogeneous that mentions in the above-mentioned background, produces the difficult exhaust problem of waste gas.

The utility model discloses a realize like this, an annular heating furnace is used in production of cold-drawn steel pipe, including furnace body, supporting seat, support, sealed lid, axis of rotation and air discharge fan, be provided with in the furnace body and hold the chamber, seted up the connection on the roof of furnace body the feed inlet that holds the chamber, on the upper surface of furnace body through the articulated shaft articulated have with the sealed lid of feed inlet matched with, the last surface mounting of sealed lid has the arc handle.

The last surface mounting of furnace body has the axis of rotation, it is connected with the rotation cover to rotate in the axis of rotation, one end is provided with the latch segment on the outer wall of rotation cover, and the other end welding has the handle, fixed mounting has on the diapire that holds the chamber the supporting seat, install the heater on the supporting seat, the last surface mounting of supporting seat has the support.

The utility model discloses a furnace body, including furnace body, heating wire, refractory brick, heater layer, thermometer, the interior wall of furnace body is gone up to inlay and is equipped with resistant firebrick, be provided with the zone of heating on resistant firebrick's the side surface, it is equipped with the heating wire to inlay on the zone of heating, the last surface mounting of furnace body has the thermometer, the detection of thermometer passes the roof of furnace body is installed hold the intracavity.

Preferably, the top wall of the furnace body is provided with an air duct penetrating through the top wall of the furnace body, and the inner wall of the air duct is provided with an exhaust fan.

Preferably, the lower surface of the furnace body is provided with a foot pad, and the foot pad is provided with a threaded hole penetrating through the foot pad.

Preferably, the outer surface of the furnace body is fixedly provided with an L-shaped staircase, one end of the staircase is fixedly arranged on the side surface of the furnace body, and the other end of the staircase is fixedly arranged on the upper surface of the furnace body.

Preferably, the heating frame welded with the disc shape on the support, the heating frame is provided with a first hole group, a second hole group and a third hole group, the first hole group, the second hole group and the third hole group are arranged on the upper surface of the heating frame from outside to inside, and the holes in the first hole group, the second hole group and the third hole group are circumferentially distributed.

Preferably, the diameters of the holes in the first hole group, the second hole group and the third hole group are increased in this order.

Compared with the prior art, the beneficial effects of the utility model are that: the annular heating furnace for producing the cold-drawn steel pipe has the advantages that the support is arranged in the furnace body, the cold-drawn steel rod can be installed through the heating frame on the support, the steel pipe can be vertically placed in the heating furnace, the heating effect is higher, the steel pipe can be inserted and pulled out, and the use is more convenient; the heating layer capable of heating is arranged on the inner wall of the furnace body, the heating area is more, the steel pipe is heated more uniformly, and the heating efficiency is higher due to the fact that the heating layer capable of heating is uniformly arranged in the furnace body and the built-in electric heating wire is used for heating; the exhaust fan is embedded on the top wall of the furnace body, and can exhaust heat inside the heating furnace after the heating furnace finishes working, so that the heat dissipation efficiency of the furnace body is improved, the cooling speed in the furnace is accelerated, the steel pipe can be taken out quickly, and the processing speed of the cold drawn pipe is effectively improved; the inner wall is provided with the refractory bricks, so that the fire resistance of the heating furnace can be improved, and the service life of the heating furnace is prolonged; and the heating furnace has simple structure and convenient operation, and is more worthy of popularization and use.

Drawings

Fig. 1 is an overall front view of the present invention;

fig. 2 is a schematic structural view of the rotating shaft of the present invention;

fig. 3 is a schematic structural view of the heating rack of the present invention;

in the figure: 1-furnace body, 101-containing cavity, 102-feed inlet, 103-pad, 2-supporting seat, 201-heater, 3-support, 4-heating frame, 401-hole group I, 402-hole group II, 403-hole group III, 5-sealing cover, 501-arc handle, 6-rotating shaft, 601-rotating sleeve, 602-locking block, 603-handle, 7-exhaust fan, 701-air duct, 8-thermometer, 9-firebrick, 10-heating layer and 11-staircase.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an annular heating furnace is used in production of cold-drawn steel pipe, includes furnace body 1, supporting seat 2, support 3, sealed lid 5, axis of rotation 6 and air discharge fan 7, is provided with in the furnace body 1 and holds chamber 101, sets up on the roof of furnace body 1 and connects the feed inlet 102 who holds chamber 101, and it has sealed lid 5 with feed inlet 102 matched with to articulate through the articulated shaft on the upper surface of furnace body 1, and the last surface mounting of sealed lid 5 has arc handle 501.

The last surface mounting of furnace body 1 has axis of rotation 6, rotates on axis of rotation 6 to be connected with and rotates cover 601, rotates one end on the outer wall of cover 601 and is provided with latch segment 602, and the other end welding has handle 603, and fixed mounting has supporting seat 2 on the diapire that holds chamber 101, installs heater 201 on the supporting seat 2, and the last surface mounting of supporting seat 2 has support 3.

The inner wall of the furnace body 1 is embedded with refractory bricks 9, the side surface of the refractory bricks 9 is provided with a heating layer 10, the heating layer 10 is embedded with electric heating wires, the upper surface of the furnace body 1 is provided with a thermometer 8, and the detection of the thermometer 8 passes through the top wall of the furnace body 1 and is installed in the accommodating cavity 101.

In this embodiment, the steel tube is conveniently placed into the feeding port 102, the hinged sealing cover 5 is convenient to open and close, the arc-shaped handle 501 is convenient to hold, the sealing cover 5 is opened, the rotating sleeve 601 can rotate on the rotating shaft 6, the locking block 602 can press the sealing cover 5, the sealing performance of the sealing cover 5 is improved, the sealing cover 5 is prevented from being opened during operation, the handle 603 is convenient to hold, and further the rotating sleeve 601 is rotated, the heater 201 can be a SYHQ heater produced by the chemical fiber machinery Limited company in salt city, the temperature inside the accommodating chamber 101 can be raised, the steel tube is heated, the refractory brick 9 can improve the heat resistance inside the furnace body 1, the service life of the heating furnace is prolonged, the embedded heating wire inside the heating layer 10 can emit heat, the steel tube is heated more uniformly, the heat treatment efficiency of the steel tube is improved, the temperature inside the accommodating chamber 101 can be detected by the thermometer 8, and when the temperature exceeds or is lower than a preset value, the temperature in the annular heating furnace is timely adjusted.

Further, the top wall of the furnace body 1 is provided with an air duct 701 penetrating through the top wall of the furnace body 1, and the inner wall of the air duct 701 is provided with an exhaust fan 7.

In this embodiment, the exhaust fan 7 can exhaust the gas and heat in the housing chamber 101, and can exhaust the gas through the gas duct 701, thereby lowering the temperature inside the housing chamber 101 and enabling the steel pipe after the heat treatment to be taken out more quickly.

Furthermore, a foot pad 103 is installed on the lower surface of the furnace body 1, and a threaded hole penetrating through the foot pad 103 is formed in the foot pad 103.

In this embodiment, the foot pad 103 can fix the foot pad 103 on the ground through the matching bolt, so as to fix the annular heating furnace, and the foot pad 103 can elevate the heating furnace, so that the bottom surface of the heating furnace is exposed in the air, thereby improving the heat dissipation performance of the heating furnace.

Further, an L-shaped staircase 11 is fixedly installed on the outer surface of the furnace body 1, one end of the staircase 11 is fixedly installed on the side surface of the furnace body 1, and the other end is fixedly installed on the upper surface of the furnace body 1.

In this embodiment, the escalator 11 can be convenient for maintenance personnel to climb to the upper end of the furnace body 1, and then maintain the annular heating furnace, and the maintenance is more convenient.

Furthermore, a disc-shaped heating frame 4 is welded on the support 3, a first hole group 401, a second hole group 402 and a third hole group 403 are formed in the heating frame 4, the first hole group 401, the second hole group 402 and the third hole group 403 are arranged on the upper surface of the heating frame 4 from outside to inside, and holes in the first hole group 401, the second hole group 402 and the third hole group 403 are circumferentially distributed.

In this embodiment, the steel pipes may be inserted into the through holes in the first vertical hole group 401, the second vertical hole group 402, and the third vertical hole group 403, and then the steel pipes may be vertically installed by the heating rack 4, so that the heating area of the steel pipes is increased, and the heat treatment efficiency is higher.

Further, the diameters of the holes in the hole group one 401, the hole group two 402, and the hole group three 403 are sequentially increased.

In this embodiment, the first hole group 401, the second hole group 402, and the third hole group 403 having different diameters may be inserted with steel pipes having different diameters, and may fix a variety of steel pipes, thereby widening the application range.

The utility model discloses a theory of operation and use flow: the utility model discloses after installing, put into the steel pipe by feed inlet 102 and hold in the chamber 101, the steel pipe inserts the punch combination one 401 that corresponds, in the through-hole that includes in punch combination two 402 and punch combination three 403, and then prevent that the steel pipe from rocking, hold arc handle 501 and close sealed lid 5, hold handle 603, rotate handle 603, and then drive latch segment 602 through rotating the cover 601 and rotate, make latch segment 602 push down sealed lid 5, heater 201 and zone of heating 10 are exothermic simultaneously, carry out thermal treatment to the steel pipe simultaneously, open sealed lid 5 after the thermal treatment is accomplished and take out the steel pipe.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an annular heating furnace is used in cold-drawn steel pipe production which characterized in that: the furnace comprises a furnace body (1), a supporting seat (2), a support (3), a sealing cover (5), a rotating shaft (6) and an exhaust fan (7), wherein a containing cavity (101) is arranged in the furnace body (1), a feed inlet (102) connected with the containing cavity (101) is formed in the top wall of the furnace body (1), the sealing cover (5) matched with the feed inlet (102) is hinged to the upper surface of the furnace body (1) through a hinged shaft, and an arc-shaped handle (501) is mounted on the upper surface of the sealing cover (5);

a rotating shaft (6) is mounted on the upper surface of the furnace body (1), a rotating sleeve (601) is rotatably connected onto the rotating shaft (6), a locking block (602) is arranged at one end of the outer wall of the rotating sleeve (601), a handle (603) is welded at the other end of the outer wall of the rotating sleeve (601), the supporting seat (2) is fixedly mounted on the bottom wall of the accommodating cavity (101), a heater (201) is mounted on the supporting seat (2), and the support (3) is mounted on the upper surface of the supporting seat (2);

inlay on the inner wall of furnace body (1) and be equipped with resistant firebrick (9), be provided with zone of heating (10) on the side surface of resistant firebrick (9), it is equipped with the heating wire to inlay on zone of heating (10), the last surface mounting of furnace body (1) has thermometer (8), the detection of thermometer (8) is passed the roof of furnace body (1) is installed hold in the chamber (101).

2. The ring-shaped heating furnace for producing a cold-drawn steel tube according to claim 1, characterized in that: the furnace body is characterized in that an air duct (701) penetrating through the top wall of the furnace body (1) is installed on the top wall of the furnace body (1), and an exhaust fan (7) is installed on the inner wall of the air duct (701).

3. The ring-shaped heating furnace for producing a cold-drawn steel tube according to claim 1, characterized in that: the lower surface of the furnace body (1) is provided with a pad foot (103), and a threaded hole penetrating through the pad foot (103) is formed in the pad foot (103).

4. The ring-shaped heating furnace for producing a cold-drawn steel tube according to claim 1, characterized in that: the outer surface of the furnace body (1) is fixedly provided with an L-shaped staircase (11), one end of the staircase (11) is fixedly arranged on the side surface of the furnace body (1), and the other end of the staircase is fixedly arranged on the upper surface of the furnace body (1).

5. The ring-shaped heating furnace for producing a cold-drawn steel tube according to claim 1, characterized in that: the welding has heating frame (4) of disc on support (3), hole group one (401), hole group two (402) and hole group three (403) have been seted up on heating frame (4), hole group one (401), hole group two (402) and hole group three (403) outside-in are in on the upper surface of heating frame (4), the hole in hole group one (401), hole group two (402) and hole group three (403) is circumferential distribution.

6. The ring-shaped heating furnace for producing a cold-drawn steel tube according to claim 5, wherein: the diameters of the holes in the first hole group (401), the second hole group (402), and the third hole group (403) increase in order.