CN217654314U

CN217654314U - Low-energy-consumption natural gas heating furnace for processing deformed steel bar

Info

Publication number: CN217654314U
Application number: CN202221233833.9U
Authority: CN
Inventors: 刘其武; 刘焓琦; 刘美雨; 庄宗森; 卓起志
Original assignee: Zhejiang Huacheng Metal Products Co ltd
Current assignee: Zhejiang Huacheng Metal Products Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-10-25
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to the technical field of heating furnaces, and discloses a low-energy-consumption natural gas heating furnace for processing deformed steel bars, which comprises a heating furnace body, wherein a first outlet pipe is fixedly arranged above the right side of the heating furnace body, a return pipe is fixedly arranged below the right side of the heating furnace body, a first case is arranged on the right side of the heating furnace body, and the first outlet pipe is in through connection with the left lower part of the first case; the utility model discloses can be in the use, carry out heat ground through the flue gas that discharges out to the heating furnace and shift, make the steam that the oxygen content of discharging lacks the unable burning in the support heating furnace, through the natural air who changes into after heating, and make the natural air after the heating get into the heating furnace in, support the burning of natural gas heating furnace, because the air takes certain temperature, alleviateed through the heating of burning to the air, reach the low energy consumption effect of natural gas heating furnace, and can filter exhaust air, make it discharge after reaching emission standard.

Description

Low-energy-consumption natural gas heating furnace for processing deformed steel bar

Technical Field

The utility model relates to a heating furnace technical field specifically is a low energy consumption natural gas heating furnace is used in screw-thread steel processing.

Background

The deformed steel bar needs a natural gas heating furnace in the heating process, the natural gas heating furnace is key equipment for industrial heating, and the deformed steel bar heating furnace is widely applied to various industries of national economy, large in quantity and wide in range, multiple in variety and extremely large in influence.

At present, the energy utilization still has the utilization efficiency low, economic benefits is poor, the big main problem of ecological environment pressure, and waste heat resource belongs to the secondary energy, the gas temperature that produces in the heating furnace is generally about 120 ℃ -350 ℃, carry out recycle to huge heat and can reach the effect of energy saving, and general heating furnace does not carry out the heat utilization to the flue gas after the combustion heating, but directly discharges to the environment through the chimney, and still need the natural gas heating furnace to continue burning and produce the heat and process the screw-thread steel, this has just led to the fact thermal waste, and brought thermal pollution for the environment, so, how to carry out the heat recovery to the flue gas that the heating furnace discharged is the problem that the value must be discussed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low energy consumption natural gas heating furnace is used in screw-thread steel processing can be in the use, carries out the heat ground through the flue gas that discharges out the heating furnace and shifts, reaches natural gas heating furnace's low energy consumption effect to can filter exhaust air.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low energy consumption natural gas heating furnace is used in screw-thread steel processing, includes the heating furnace body, the fixed first outlet duct that is provided with in top on heating furnace body right side, the fixed muffler that is provided with in below on heating furnace body right side, the right side of heating furnace body is provided with first quick-witted case, first outlet duct and the left below through connection of first quick-witted case, muffler and the left top through connection of first quick-witted case, the fixed a plurality of heat-conducting piece that sets up in inner chamber of first machine case, the fixed division board that is provided with in inner chamber of first machine case, the division board is fixed on the surface of heat-conducting piece, and the division board divide into two parts with first machine case, the fixed bleed pipe that is provided with in top on first machine case right side, the fixed second outlet duct that is provided with in below on first machine case right side, the inner chamber swing joint of second outlet duct has the filter, the right side of second outlet duct runs through and is provided with second machine case, the fixed first pillar that is provided with in top of second machine case, the fixed top of first pillar is provided with the draught fan, the draught fan runs through the setting on the bleed pipe, the fixed inlet tube that is provided with in the upside of second machine case, the fixed water jet orifice that is provided with the upper side of second machine case, the lower side of second case is connected, the fixed water jet orifice that the lower side of second case is provided with the drain pipe, the drain pipe that the lower side of the drain pipe is provided with the drain pipe, the drain pipe that the fixed the drain pipe of the fixed the lower side of the second machine case is provided with the drain pipe, the lower side of the drain pipe is provided with the drain pipe, the drain pipe of the second machine case, the fixed machine case is provided with the lower side of the drain pipe, the drain pipe is provided with the drain pipe, the drain pipe of the lower side of the drain pipe is provided with the lower side of the drain pipe.

Preferably, the first air outlet pipe is in an inclined straight line shape, and the air return pipe is in an inclined straight line shape.

Preferably, the inner cavity of the first air outlet pipe is provided with a heat insulation material, and the inner cavity of the air return pipe is provided with a heat insulation material.

Preferably, the filter plate is detachable, and the surface of the filter plate is fixedly provided with a handle.

Preferably, the right side activity of bleed pipe is provided with the protection casing, the protection casing passes through threaded connection with the bleed pipe.

Preferably, a supporting plate is arranged on the right side of the heating furnace body and fixedly connected to the surfaces of the first air outlet pipe and the air return pipe.

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

the utility model discloses can be in the use, carry out the heat ground through the flue gas that discharges out to the heating furnace and shift, make the steam that the oxygen content of discharging lacks the unable support burning in the heating furnace, through changing into the natural air after the heating, and make the natural air after the heating get into in the heating furnace, support the burning of natural gas heating furnace, because the air takes certain temperature, alleviateed the heating to the air through the burning, reach the low energy consumption effect of natural gas heating furnace, and can filter the air of discharging, make it discharge after reaching emission standard, the natural gas heating furnace in-process of having solved present part has solved, to containing certain heat direct emission and not carrying out filterable problem in the flue gas.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic sectional three-dimensional structure diagram of the first chassis and the second chassis of the present invention;

fig. 3 is a schematic front view of the structure of the present invention;

fig. 4 is a schematic cross-sectional front view of the first case and the second case of the present invention;

fig. 5 is a schematic view of a partially enlarged three-dimensional structure of the present invention;

fig. 6 is a schematic view of a partially enlarged three-dimensional structure in the present invention.

In the figure: 1. a heating furnace body; 2. a first air outlet pipe; 3. a support plate; 4. a first chassis; 5. a bleed pipe; 6. a blower; 7. a protective cover; 8. a first support column; 9. an induced draft fan; 10. a second support; 11. a third outlet pipe; 12. a drain pipe; 13. a second chassis; 14. a handle; 15. a filter plate; 16. an air return pipe; 17. a water inlet pipe; 18. a floor drain; 19. a water jet; 20. a partition plate; 21. a heat conductive member; 22. and a second air outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, 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 all belong to the protection scope of the present invention.

Referring to fig. 1-6, a low-energy consumption natural gas heating furnace for processing deformed steel bars comprises a heating furnace body 1, a first gas outlet pipe 2 is fixedly arranged above the right side of the heating furnace body 1, a gas return pipe 16 is fixedly arranged below the right side of the heating furnace body 1, a first case 4 is arranged on the right side of the heating furnace body 1, the first gas outlet pipe 2 is connected with the lower side of the left side of the first case 4 in a penetrating manner, the gas return pipe 16 is connected with the upper side of the left side of the first case 4 in a penetrating manner, a plurality of heat-conducting members 21 are fixedly arranged in an inner cavity of the first case 4, the heat-conducting members 21 are cylinders made of copper-aluminum alloy, a partition plate 20 is fixedly arranged in the inner cavity of the first case 4, the partition plate 20 is fixed on the surface of the heat-conducting members 21, the partition plate 20 divides the first case 4 into two parts, a gas guide pipe 5 is fixedly arranged above the right side of the first case 4, a second gas outlet pipe 22 is arranged below the right side of the first case 4 in a penetrating manner, a filter plate 15 is movably connected with the inner cavity of the second air outlet pipe 22, a second case 13 is arranged on the right side of the second air outlet pipe 22 in a penetrating way, a first support 8 is fixedly arranged on the top of the second case 13, a draught fan 9 is fixedly arranged on the top of the first support 8, the draught fan 9 is arranged on the air guide pipe 5 in a penetrating way, a water inlet pipe 17 is fixedly arranged on the upper side of the second case 13, a water spray opening 19 is fixedly arranged on the upper side of the inner cavity of the second case 13, the water spray opening 19 is connected with the water inlet pipe 17 in a penetrating way, a floor drain 18 is fixedly arranged on the lower side of the inner cavity of the second case 13, the floor drain 18 is connected with a drain pipe 12 in a penetrating way, a third air outlet pipe 11 is arranged on the right side of the second case 13 in a penetrating way, an air blower 6 is arranged on the rear side of the third air outlet pipe 11 in a penetrating way, and a second support 10 is fixedly arranged on the lower side of the air blower 6, the utility model discloses can be in the use, carry out heat ground through the flue gas that discharges out to the heating furnace and shift, make the steam that the oxygen content of discharging lacks the unable support burning in the heating furnace, through the natural air who changes into after the heating, and make the natural air after the heating get into in the heating furnace, support the burning of natural gas heating furnace, because the air takes certain temperature, alleviateed the heating to the air through the burning, reach the low energy consumption effect of natural gas heating furnace, and can filter exhaust air, make it discharge after reaching emission standard, the natural gas heating furnace in-process of having solved present part has solved, to containing certain heat direct emission and not carrying out filterable problem in the flue gas.

The shape of first outlet duct 2 is the in-line of slope, the shape of muffler 16 is the in-line of slope, in this embodiment, through the setting to first outlet duct 2 and muffler 16 shape, can be in the use, when having thermal gas to pass first outlet duct 2 and muffler 16, reduce the collision of gas and pipeline inner wall, reduce the resistance of ventilating in the pipeline, the circulation of gas has been increased, accelerate the velocity of flow of gas, through the quick flow of gas, thermal loss in can reducing gas.

The inner chamber of first outlet duct 2 is provided with insulation material, and the inner chamber of muffler 16 is provided with insulation material, and in this embodiment, through the setting of

first outlet duct

2 and 16 inner wall materials of muffler, can make gaseous when first outlet duct 2 and muffler 16 flow, reduce thermal loss, improve thermal availability factor, strengthened the energy-conserving effect of equipment.

The filter 15 is detachable design, and the fixed surface of filter 15 is provided with handle 14, and in this embodiment, through the mounting means of filter 15 and the setting of handle 14, after filter 15 uses for a long time, can use handle 14 to dismantle and change filter 15, prevent that live time is too of a specified duration, lead to filter 15 to be blockked up by the granule in the gas, and make gaseous unable discharge, cause unexpected loss.

The right side activity of bleed pipe 5 is provided with protection casing 7, and protection casing 7 passes through threaded connection with bleed pipe 5, and in this embodiment, through the connected mode's of protection casing 7 and protection casing 7 setting, can prevent that the foreign matter from getting into heating furnace body 1, gives heating furnace body 1 first protection to in the use, can change and wash 7 inside filter screens of protection casing through the mode of dismantling protection casing 7.

The right side of heating furnace body 1 is provided with

backup pad

3, and 3 fixed connection in backup pad are in first outlet duct 2 and muffler 16's surface, and in this embodiment, through the setting of backup pad 3, backup pad 3 gives

first outlet duct

2 and 16 ascending holding power of muffler, avoids leading to the reduction of the insulation material effect of

first outlet duct

2 and 16 inner walls of muffler because the deformation of first outlet duct 2 and muffler 16.

It is noted that the arrows in fig. 4 indicate the direction of gas flow.

The working principle is as follows: when the heating furnace body 1 is used, the air blower 6 and the induced draft fan 9 are turned on, air in the equipment starts to flow under the action of the air blower 6 and the induced draft fan 9, firstly, heated air in the heating furnace body 1 enters the first case 4 through the first air outlet pipe 2, the first case 4 is divided into an upper portion and a lower portion by the partition plate 20, the air in the upper portion and the lower portion cannot be mixed under the action of the partition plate 20, the air with heat heats the heat conducting member 21 in the first case 4, the heat flows upwards under the transmission of the heat conducting member 21, external natural air enters the second case 13 from the air introducing pipe 5, then the natural air is heated under the transmission of the heat conducting member 21, then enters the heating furnace body 1 through the air return pipe 16, the heat is recycled, then the air in the first case 4 enters the second case 13 under the guidance of the second air outlet pipe 22, the air in the second case 13 is filtered at the filter plate 15, then under the external water pressure, water flow passes through the water inlet pipe 17 and sprays water to the air in the second case 13 through the water nozzle 19, and the air in the second case 13 is purified, and the water flows out of the second air outlet pipe 18, and the water flow discharged from the second air outlet pipe 12, and the water flow is discharged by the drain pipe 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 screw-thread steel processing is with low energy consumption natural gas heating furnace, includes heating furnace body (1), its characterized in that: the upper part of the right side of the heating furnace body (1) is fixedly provided with a first air outlet pipe (2), the lower part of the right side of the heating furnace body (1) is fixedly provided with an air return pipe (16), the right side of the heating furnace body (1) is provided with a first case (4), the first air outlet pipe (2) is in through connection with the left lower part of the first case (4), the air return pipe (16) is in through connection with the left upper part of the first case (4), the inner cavity of the first case (4) is fixedly provided with a plurality of heat-conducting pieces (21), the inner cavity of the first case (4) is fixedly provided with a partition plate (20), the partition plate (20) is fixed on the surface of the heat-conducting pieces (21), the partition plate (20) is divided into two parts with the first case (4), the upper part of the right side of the first case (4) is fixedly provided with a second air outlet pipe (5), the lower part of the right side of the first case (4) is provided with a second air outlet pipe (22), the inner cavity of the second air outlet pipe (22) is connected with a filter plate (15), the right side of the second air outlet pipe (22) is provided with a second case (13), the top of the fixed air guide post (9), the first air inlet pipe (9) is provided with a draught fan (8), the utility model discloses a fan, including second machine case (13), the upside of second machine case (13) is fixed and is provided with inlet tube (17), the upside of second machine case (13) inner chamber is fixed and is provided with water jet (19), water jet (19) and inlet tube (17) through connection, the fixed floor drain (18) that is provided with of downside of second machine case (13) inner chamber, floor drain (18) through connection has drain pipe (12), drain pipe (12) through connection is in the second machine case (13) outside, the right side of second machine case (13) is run through and is provided with third outlet duct (11), the rear side of third outlet duct (11) is run through and is provided with air-blower (6), the fixed second pillar (10) that is provided with of downside of air-blower (6).

2. The low-energy-consumption natural gas heating furnace for the thread steel processing according to claim 1, characterized in that: the first air outlet pipe (2) is in an inclined straight line shape, and the air return pipe (16) is in an inclined straight line shape.

3. The low-energy-consumption natural gas heating furnace for the thread steel processing according to claim 1, characterized in that: the inner cavity of the first air outlet pipe (2) is provided with a heat insulation material, and the inner cavity of the air return pipe (16) is provided with a heat insulation material.

4. The low-energy-consumption natural gas heating furnace for the thread steel processing according to claim 1, characterized in that: the filter (15) is detachable, the fixed surface of filter (15) is provided with handle (14).

5. The low-energy consumption natural gas heating furnace for processing the deformed steel bar according to claim 1, wherein: the right side activity of bleed pipe (5) is provided with protection casing (7), protection casing (7) pass through threaded connection with bleed pipe (5).

6. The low-energy consumption natural gas heating furnace for processing the deformed steel bar according to claim 1, wherein: the right side of the heating furnace body (1) is provided with a supporting plate (3), and the supporting plate (3) is fixedly connected to the surfaces of the first air outlet pipe (2) and the air return pipe (16).