CN218026176U

CN218026176U - Novel energy-saving blast furnace air inlet device

Info

Publication number: CN218026176U
Application number: CN202222139952.4U
Authority: CN
Inventors: 李小鹏; 王新义; 张彦合; 邢俊伟; 翟继周
Original assignee: Luohe Hengyu Metallurgical Machinery Co ltd
Current assignee: Luohe Hengyu Metallurgical Machinery Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-13
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to a blast furnace hot blast blowpipe technical field specifically is a novel energy-conserving blast furnace hot blast blowpipe, including the belly pipe, the internally mounted of belly pipe has pressure sensor, the elbow pipe is installed in the left side of belly pipe, the elbow pipe is equipped with first sealed rubber ring with the flange contact terminal surface of belly pipe, the observation hole assembly is installed in the left side embedding of elbow pipe, the second anemometer is installed to the inner wall of the department of buckling of elbow pipe, the bottom of elbow pipe is equipped with U type mount pad, and overall arrangement simple structure has double-barrelled built-in enhancement support and the adiabatic sandwich structure that keeps warm, is convenient for reduce calorific loss, reaches energy-conserving purpose, has connection seal structure and amount monitoring structure simultaneously, conveniently reduces and has avoided hot blast blowpipe to bear the problem maintenance use that the phenomenon of leaking and monitoring flow ventilation volume change of high temperature heat load production for a long time and be convenient for discovering the air leak, and stability and practicality are higher, have certain spreading value.

Description

Novel energy-saving blast furnace air inlet device

Technical Field

The utility model relates to a blast furnace air inlet device technical field specifically is a novel energy-conserving blast furnace air inlet device.

Background

The blast furnace air inlet device is used for blast furnace tuyere air supply equipment, and the existing blast furnace air inlet device has the defects in use, and specifically comprises the following components: the double-pipe built-in reinforcing support and heat-insulation interlayer structure is not provided, so that the heat loss is not reduced conveniently to achieve the purpose of energy conservation, and meanwhile, the connecting and sealing structure and the air quantity monitoring structure are not provided, so that the air leakage phenomenon generated by bearing high-temperature heat load by the air inlet device for a long time and the problem of timely finding air leakage due to monitoring flow ventilation quantity change are inconveniently reduced and avoided to be overhauled and used.

Therefore, a new energy-saving blast furnace air intake device needs to be designed to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel energy-conserving blast furnace air inlet device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel energy-conserving blast furnace hot blast blowpipe device, includes the belly pipe, the internally mounted of belly pipe has pressure sensor, the elbow pipe is installed in the left side of belly pipe, the elbow pipe is equipped with first sealed rubber ring with the flange contact terminal surface of belly pipe, the observation hole assembly is installed in the left side embedding of elbow pipe, the second anemometer is installed to the department of buckling inner wall of elbow pipe, the bottom of elbow pipe is equipped with U type mount pad, the internally mounted of U type mount pad has the roll-over stand, the internally mounted that the roll-over stand was run through in the front embedding of U type mount pad has the retaining member, the right side of roll-over stand is provided with first regulation coupling assembling, first bellow compensator is installed on the top of elbow pipe, middle section branch pipe is installed at the top of first bellow compensator, the upper and lower both ends of first bellow compensator all imbed second sealed rubber ring, the second bellow compensator is installed at the top of middle section branch pipe, the upper and lower both ends of second bellow compensator all clamp the third sealed rubber ring, the inner wall of second bellow compensator is equipped with the right side of second bellow pipe, the right side of mounting bracket and the right side of second bellow compensator are equipped with the regulation coupling assembling.

As the utility model discloses preferred scheme, belly pipe, elbow pipe, middle section branch pipe and gooseneck all adopt outer body, interior body, enhancement support frame, fire-resistant adiabatic intermediate layer and high temperature resistant inner liner to constitute, and wherein the peripheral cover of interior body is equipped with outer body, be equipped with fire-resistant adiabatic intermediate layer between the outer wall of interior body and the inner wall of outer body, the interbedded internally mounted of fire-resistant adiabatic has the enhancement support frame, the inner wall of interior body is equipped with high temperature resistant inner liner.

As the utility model discloses preferred scheme, first regulation coupling assembling includes first screw rod, first nut and fixing base, the one end of first screw rod is connected in the right side of roll-over stand, the other end of first screw rod extends to the inside cover of first regulation coupling assembling and establishes and install first nut, first regulation coupling assembling's right side is equipped with the fixing base.

As the utility model discloses preferred scheme, pressure sensor, first anemometer and second anemometer all with external control terminal electric connection.

As the utility model discloses preferred scheme, coupling assembling is adjusted to the second includes second screw rod, second nut, pull rod and articulated seat, the right side in the mounting bracket is connected to the one end of second screw rod, the other end of second screw rod extends to the inside cover that coupling assembling was adjusted to the second and establishes and install the second nut, the pull rod is installed on coupling assembling's right side is adjusted to the second, articulated seat is installed on the right side of pull rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the belly pipe, the elbow pipe, the middle section branch pipe and the gooseneck pipe which are arranged by the blast furnace air intake device all adopt an outer pipe body, an inner pipe body, a reinforced support frame, a fireproof heat insulation interlayer and a high temperature resistant inner liner layer, the heat loss is convenient to be reduced by the double-pipe body built-in fireproof heat insulation interlayer structure at the multi-pipe section of the blast furnace air intake device, the energy-saving purpose is achieved, and the first sealing rubber ring and the second sealing rubber ring which are arranged at the flange joints of the belly pipe, the elbow pipe, the first corrugated pipe compensator, the middle section branch pipe, the second corrugated pipe compensator and the gooseneck pipe are reduced by the second sealing rubber ring, and the air leakage phenomenon caused by the long-term bearing of the high temperature heat load by the air intake device is avoided, and through the first anemometer and the second anemometer that set up, be close to first corrugated pipe compensator and second corrugated pipe compensator department monitoring flow ventilation volume change, be convenient for in time discover the problem of leaking out, simple structure just has double-barrelled built-in enhancement support and thermal insulation sandwich structure that keeps warm, be convenient for reduce calorific loss, reach energy-conserving purpose, connection seal structure and amount of wind monitoring structure have simultaneously, the convenient air inlet unit that reduces and has avoided bears the air leakage phenomenon that high temperature heat load produced for a long time and monitoring flow ventilation volume change and be convenient for in time discover the problem maintenance use of leaking out.

Drawings

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

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a schematic structural view of the belly pipe, elbow pipe, middle branch pipe and gooseneck of the present invention.

In the figure: 1. a belly pipe; 2. an elbow pipe; 3. a first sealing rubber ring; 4. an observation hole assembly; 5. a first bellow compensator; 501. a second sealing rubber ring; 6. a middle branch pipe; 7. a second bellows compensator; 701. a third sealing rubber ring; 8. a gooseneck; 9. a pressure sensor; 10. a U-shaped mounting seat; 11. a roll-over stand; 12. a locking member; 13. a first adjustment connection assembly; 131. a first screw; 132. a first nut; 133. a fixed seat; 14. a first air flow meter; 15. a second air gauge; 16. a connecting seat; 17. a mounting frame; 18. a second adjustment connection assembly; 181. a second screw; 182. a second nut; 183. a pull rod; 184. a hinged seat; 19. an outer tube body; 20. an inner tube body; 21. reinforcing the support frame; 22. a refractory heat insulating interlayer; 23. a high temperature resistant inner liner.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In an embodiment, please refer to fig. 1-3, the present invention provides a technical solution:

a novel energy-saving blast furnace air inlet device comprises a belly pipe 1, a pressure sensor 9 is installed inside the belly pipe 1, an elbow pipe 2 is installed on the left side of the belly pipe 1, a first sealing rubber ring 3 is arranged on the flange contact end face of the elbow pipe 2 and the belly pipe 1, an observation hole assembly 4 is installed on the left side of the elbow pipe 2 in an embedded mode, a second air gauge 15 is installed on the inner wall of the bending portion of the elbow pipe 2, a U-shaped mounting seat 10 is arranged at the bottom end of the elbow pipe 2, a turning frame 11 is installed inside the U-shaped mounting seat 10, a locking piece 12 is installed inside the U-shaped mounting seat 10 in an embedded mode and penetrates through the turning frame 11, a first adjusting and connecting assembly 13 is arranged on the right side of the turning frame 11, a first corrugated pipe compensator 5 is installed at the top end of the elbow pipe 2, a middle section branch pipe 6 is installed at the top end of the first corrugated pipe compensator 5, second sealing rubber rings 501 are respectively embedded and clamped at the upper end and the lower end of the first corrugated pipe compensator 5, a second corrugated pipe compensator 7 is arranged on the top of the middle section branch pipe 6, a gooseneck 8 is arranged on the top of the second corrugated pipe compensator 7, third sealing rubber rings 701 are embedded and clamped at the upper end and the lower end of the second corrugated pipe compensator 7, a first air gauge 14 is arranged on the lower edge of the inner wall of the gooseneck 8, a pressure sensor 9, the first air gauge 14 and a second air gauge 15 are electrically connected with an external control terminal, the pressure sensor 9 is used for monitoring the internal pressure of the integral air inlet device in real time under normal high air pressure to avoid accidents, the flow ventilation volume change is monitored by the arranged first air gauge and the second air gauge at the positions close to the first corrugated pipe compensator and the second corrugated pipe compensator to find out the problem of air leakage in time, a connecting seat 16 is arranged on the right side of the middle section branch pipe 6 and the elbow pipe 2, the inboard of connecting seat 16 is equipped with mounting bracket 17, the right side of mounting bracket 17 is provided with second regulation coupling assembling 18, wherein belly pipe 1, elbow pipe 2, middle section branch pipe 6 and gooseneck 8 all adopt outer body 19, interior body 20, strengthen support frame 21, fire-resistant adiabatic intermediate layer 22 and high temperature resistant inner liner 23 are constituteed, wherein the peripheral cover of interior body 20 is equipped with outer body 19, be equipped with fire-resistant adiabatic intermediate layer 22 between the outer wall of interior body 20 and the inner wall of outer body 19, the internally mounted of fire-resistant adiabatic intermediate layer 22 has and strengthens support frame 21, the inner wall of interior body 20 is equipped with high temperature resistant inner liner 23, double-barrelled built-in fire-resistant adiabatic sandwich structure through blast furnace hot blast furnace air inlet device multi-tube section department, be convenient for reduce heat loss, reach energy-conserving purpose.

In this embodiment, please refer to fig. 1 and 2, the first adjusting and connecting assembly 13 includes a first screw 131, a first nut 132 and a fixing seat 133, one end of the first screw 131 is connected to the right side of the roll-over stand 11, the other end of the first screw 131 extends to the inside of the first adjusting and connecting assembly 13 and is sleeved with the first nut 132, the right side of the first adjusting and connecting assembly 13 is provided with the fixing seat 133, and the second adjusting and connecting assembly 18 includes a second screw 181, a second nut 182, a pull rod 183 and a hinge seat 184, one end of the second screw 181 is connected to the right side of the mounting frame 17, the other end of the second screw 181 extends to the inside of the second adjusting and connecting assembly 18 and is sleeved with the second nut 182, the right side of the second adjusting and connecting assembly 18 is provided with a pull rod 183, the right side of the pull rod 183 is provided with the hinge seat connecting assembly 184, the whole air intake device is conveniently adjusted and connected to the blast furnace through the adjustable first adjusting and second adjusting and connecting assembly 13, and the second adjusting and the fixing seat 133 is ensured to the stability of the whole air intake device mounting structure.

The working principle is as follows: when in use, the belly pipe 1, the elbow pipe 2, the middle section branch pipe 6 and the gooseneck 8 which are arranged through the blast furnace air intake device are all composed of the outer pipe body 19, the inner pipe body 20, the reinforcing support frame 21, the fireproof heat insulation interlayer 22 and the high temperature resistant inner liner 23, the heat loss is convenient to reduce through the structure of the fireproof heat insulation interlayer 22 which is arranged in the double pipe bodies at the multiple pipe sections of the blast furnace air intake device, and the energy is saved, meanwhile, the first sealing rubber ring 3 and the second sealing rubber ring 501 which are arranged at the flange connection parts of the belly pipe 1, the elbow pipe 2, the first corrugated pipe compensator 5, the middle section branch pipe 6, the second corrugated pipe compensator 7 and the gooseneck 8 reduce and avoid the air leakage phenomenon caused by the long-term bearing of high temperature heat load through the second sealing rubber ring 701, and through the first air gauge 14 and the second air gauge 15 that set up in the monitoring flow ventilation volume change of being close to first bellows compensator 5 and second bellows compensator 7 department, be convenient for in time discover the problem of leaking out, the overall device simple structure, double-barrelled built-in enhancement support and the adiabatic sandwich structure that keeps warm have, be convenient for reduce calorific loss, reach energy-conserving purpose, connection seal structure and amount of wind monitoring structure have simultaneously, conveniently reduce and avoided the hot blast phenomenon that the hot blast device bears the high temperature heat load production for a long time and monitor the problem that the ventilation volume change is convenient for in time discover to leak out and overhaul the use, and stability and practicality are higher, and certain spreading value has.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel energy-conserving blast furnace hot blast blowpipe, includes belly pipe (1), its characterized in that: the corrugated compensation device is characterized in that a pressure sensor (9) is installed inside the belly pipe (1), an elbow pipe (2) is installed on the left side of the belly pipe (1), a first sealing rubber ring (3) is arranged on the flange contact end face of the elbow pipe (2) and the belly pipe (1), an observation hole assembly (4) is installed on the left side of the elbow pipe (2) in an embedded mode, a second air gauge (15) is installed on the inner wall of the bending position of the elbow pipe (2), a U-shaped installation seat (10) is arranged at the bottom end of the elbow pipe (2), a turning frame (11) is installed inside the U-shaped installation seat (10), a locking piece (12) is installed inside the U-shaped installation seat (10) in an embedded mode and penetrates through the turning frame (11), a first adjusting and connecting assembly (13) is arranged on the right side of the turning frame (11), a first corrugated pipe compensator (5) is installed at the top end of the middle section of the elbow pipe (2), middle section branch pipes (6) are installed at the top of the first corrugated pipe compensator (5), second corrugated pipe (7) is installed at the top of a second corrugated pipe compensator (7) in an embedded mode, and both ends of a neck compensator (701) are installed at the top of a second corrugated pipe compensator (7) in a neck compensator in a clamped mode, first anemograph (14) are installed along installing under the inner wall of gooseneck (8), middle section branch pipe (6) all are equipped with connecting seat (16) with the right side of elbow pipe (2), the inboard of connecting seat (16) is equipped with mounting bracket (17), the right side of mounting bracket (17) is provided with second regulation coupling assembling (18).

2. The novel energy-saving blast furnace air intake device of claim 1, wherein: belly pipe (1), elbow pipe (2), middle section branch pipe (6) and gooseneck (8) all adopt outer body (19), interior body (20), strengthen support frame (21), fire-resistant adiabatic intermediate layer (22) and high temperature resistant inner liner (23) to constitute, and wherein the peripheral cover of interior body (20) is equipped with outer body (19), be equipped with fire-resistant adiabatic intermediate layer (22) between the outer wall of interior body (20) and the inner wall of outer body (19), the internally mounted of fire-resistant adiabatic intermediate layer (22) has and strengthens support frame (21), the inner wall of interior body (20) is equipped with high temperature resistant inner liner (23).

3. The novel energy-saving blast furnace air intake device of claim 1, wherein: first regulation coupling assembling (13) include first screw rod (131), first nut (132) and fixing base (133), the right side in roll-over stand (11) is connected to the one end of first screw rod (131), the other end of first screw rod (131) extends to first regulation coupling assembling (13) inside cover and establishes and install first nut (132), the right side of first regulation coupling assembling (13) is equipped with fixing base (133).

4. The novel energy-saving blast furnace air intake device of claim 1, wherein: the pressure sensor (9), the first air gauge (14) and the second air gauge (15) are all electrically connected with an external control terminal.

5. The novel energy-saving blast furnace air intake device of claim 1, wherein: coupling assembling (18) are adjusted to the second includes second screw rod (181), second nut (182), pull rod (183) and articulated seat (184), the right side in mounting bracket (17) is connected to the one end of second screw rod (181), the other end of second screw rod (181) extends to the inside cover of second adjusting coupling assembling (18) and establishes and install second nut (182), pull rod (183) are installed on the right side of second adjusting coupling assembling (18), articulated seat (184) are installed on the right side of pull rod (183).