CN219283948U

CN219283948U - Tar tube furnace

Info

Publication number: CN219283948U
Application number: CN202223250982.9U
Authority: CN
Inventors: 李坦; 陶浩; 王钦
Original assignee: Wuhan Nengwang Technology Co ltd
Current assignee: Wuhan Nengwang Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-30
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a tar tube furnace, wherein a furnace body is provided with a radiation chamber extending up and down, and the bottom wall of the radiation chamber is provided with a through hole; the heating furnace tube is wound in the radiation chamber to form a plurality of heat conduction tube sections distributed along the up-down direction, and each heat conduction tube section is gradually and downwards obliquely arranged; the burner is located the outside of furnace body and corresponds the diapire center department of radiation chamber, and the burner is formed with along upper and lower to distributing in proper order and the combustion chamber and the inlet chamber of intercommunication each other, and the combustion chamber communicates with the through-hole, and the inlet chamber has from the outside gas passageway and the combustion air passageway that distributes in proper order of center, and the end of giving vent to anger of combustion air passageway is equipped with wind direction regulation group, and wind direction regulation group is used for adjusting the aperture of end of giving vent to anger for combustion air mixes with gas in different positions, forms the flame of co-altitude. The temperature of the heating furnace tube is in a proper range by controlling the flame height of the combustion chamber, so that the generation of coke nuclei is reduced, and the problem of blockage of the heating furnace tube is slowed down or even eliminated.

Description

Tar tube furnace

Technical Field

The utility model relates to the technical field of tube furnaces, in particular to a tar tube furnace.

Background

At present, a plurality of burners are circumferentially arranged at the bottom of a traditional tar tube furnace, a radiation section furnace tube is roasted by flames generated by the burners, heat is transferred to tar media flowing in the tube, after the tar media are heated, when the temperature of the wall of the furnace tube is in a proper range, the tar cannot undergo chemical reaction, only a small amount of light components are vaporized, after the temperature of the wall of the furnace tube is higher, asphaltene substances in the tar can undergo condensation reaction, so that large-particle coke nuclei are gradually formed, after the number of the coke nuclei flowing along the furnace tube is increased, the coke nuclei can be deposited on the inner wall of the tube and are adhered to the inner wall of the tube, the flow cross section of the furnace tube is influenced, even the furnace tube is blocked, shutdown maintenance is needed, continuous production is influenced, and unqualified products are easy to produce in the beginning of working, so that the whole qualified products are reduced, and the production benefit is damaged.

Disclosure of Invention

The utility model mainly aims to provide a tar tube furnace, which aims to solve the problem that furnace tubes of the existing tar tube furnace are easy to block.

In order to achieve the above object, the present utility model provides a tar tube furnace comprising:

the furnace body is provided with a radiation chamber extending vertically, and the bottom wall of the radiation chamber is provided with a through hole;

the heating furnace tube is wound in the radiation chamber, a plurality of heat conduction tube sections distributed along the up-down direction are formed, and each heat conduction tube section is gradually and downwards obliquely arranged; the method comprises the steps of,

the burner is arranged on the outer side of the furnace body and corresponds to the center of the bottom wall of the radiation chamber, the burner is provided with a combustion chamber and an air inlet chamber which are sequentially distributed along the upper direction and the lower direction and are mutually communicated, the combustion chamber is communicated with the through hole, the air inlet chamber is provided with a fuel gas channel and a combustion air channel which are sequentially distributed from the center to the outside, the air outlet end of the combustion air channel is provided with a wind direction adjusting group, and the wind direction adjusting group is used for adjusting the opening of the air outlet end, so that combustion air and fuel gas are mixed at different positions to form flames with different heights.

Optionally, the wind direction adjustment group includes:

the fixed plate is arranged at the air outlet end; the method comprises the steps of,

the air regulating plate is gradually outwards inclined from top to bottom, and the lower end part of the air regulating plate is rotatably arranged on the fixed plate along an axis extending forwards and backwards so as to drive the upper end of the regulating plate to swing to adjust the opening of the air outlet end.

Optionally, at least three air channels are formed in the combustion air channel, the combustion chamber is at least communicated with one of the at least three air channels, and a wind shield is arranged in each air channel and used for correspondingly adjusting the opening and closing of each air channel.

Optionally, each air channel comprises an air outlet channel and an air inlet channel which are distributed in turn along the left-right direction, one end of the air outlet channel is communicated with the combustion chamber, the other end of the air outlet channel is communicated with the air inlet channel, and a plurality of air outlet channels are arranged side by side in the left-right direction so as to form a primary air channel, a secondary air channel and a tertiary air channel which are sleeved in turn, and the air direction adjusting group is arranged at the port of the air outlet channel of the primary air channel.

Optionally, the furnace body is further provided with a convection chamber positioned above the radiation chamber, and the convection chamber is communicated with the radiation chamber;

the tar tube furnace further comprises a heat exchange furnace tube which is wound in the convection chamber along the vertical direction, and the lower end of the heat exchange furnace tube is communicated with the upper end of the heating furnace tube and used for guiding tar into the heating furnace tube.

Optionally, the heat exchange furnace tube and the heating furnace tube are integrally arranged.

Optionally, the tar tube furnace further comprises a combustion air transmission tube, the combustion air transmission tube is wound in the convection chamber and is located above the heat exchange furnace tube, one end of the combustion air transmission tube is communicated with the outside, and the other end of the combustion air transmission tube is communicated with the combustion air channel.

Optionally, the upper end of the convection chamber is gradually and inwards inclined from bottom to top to form a smoke collecting channel, and a chimney is communicated with the upper part of the smoke collecting channel and is used for discharging smoke in the furnace body.

Optionally, the caliber of the radiation chamber is d, and the height of the radiation chamber is h, wherein h/d is more than 3.

Optionally, the tar tube furnace further comprises a radiation piece arranged in the radiation chamber, wherein the upper end part of the radiation piece is detachably connected, and the lower end of the radiation piece is used for blocking flame of the combustion chamber;

the heating furnace tube is wound outside the radiation piece.

In the technical scheme of the utility model, the tar tube furnace comprises a furnace body, a heating furnace tube and a burner, wherein the furnace body is provided with a radiation chamber extending up and down, and the bottom wall of the radiation chamber is provided with a through hole; the heating furnace tube is wound in the radiation chamber, a plurality of heat conduction tube sections distributed along the up-down direction are formed, and each heat conduction tube section is gradually and downwards obliquely arranged; the burner is located the outside of furnace body, and corresponds the diapire center department of radiation room, the burner is formed with along upper and lower to distributing in proper order and the combustion chamber and the inlet chamber of intercommunication each other, the combustion chamber with the through-hole intercommunication, the inlet chamber has gas passageway and combustion air passageway that outwards distributes in proper order from the center, combustion air passageway's end of giving vent to anger is equipped with wind direction regulation group, wind direction regulation group is used for adjusting the aperture of end of giving vent to anger for combustion air mixes with gas combustion in different positions, forms the flame of different height. Through setting up wind direction adjusting part, adjust the aperture of end of giving vent to anger for combustion-supporting air and gas are in the not co-altitude position in the combustion chamber mixes, thereby makes the combustion chamber fires the back and forms the flame of different co-altitude, so, according to actual conditions, the adjustment the flame of combustor, so that flame with heating furnace tube keeps safe distance, guarantees the temperature of heating furnace tube is in suitable range, reduces the production of heating furnace tube inner coke nuclear, thereby slows down even eliminates heating furnace tube's jam problem reduces the shutdown maintenance number of times, promotes the product percent of pass.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a tar tube furnace according to an embodiment of the present utility model;

fig. 2 is a schematic view of the burner in fig. 1.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In view of this, the utility model proposes a kind of said tar tube furnace, according to the actual condition, adjust the flame of the said burner, in order to make flame and said heating furnace tube keep the safe distance, guarantee the temperature of the said heating furnace tube is in the suitable range, reduce the production of the coke nucleus in the said heating furnace tube, thus slow down and even dispel the blocking problem of the said heating furnace tube, reduce the number of times of maintenance of shutdown, promote the qualification rate of the product. As shown in fig. 1 and 2, an embodiment of a tar tube furnace provided by the present utility model is shown.

As shown in fig. 1 and 2, the tar tube furnace 100 according to the present utility model includes a furnace body 1, a heating furnace tube 2, and a burner 3, where the furnace body 1 is formed with a radiation chamber 11 extending in an up-down direction, and a bottom wall of the radiation chamber 11 is provided with a through hole; the heating furnace tube 2 is wound in the radiation chamber 11, and a plurality of heat conducting tube sections 21 distributed along the up-down direction are formed, and each heat conducting tube section 21 is gradually and downwardly inclined; the burner 3 is located the outside of furnace body 1, and corresponds radiant chamber 11's diapire center department, the burner 3 is formed with along upper and lower to distributing in proper order and the combustion chamber 31 and the inlet chamber 32 of intercommunication each other, combustion chamber 31 with the through-hole intercommunication, inlet chamber 32 has gas passageway 321 and combustion air passageway 322 that outwards distributes in proper order from the center, combustion air passageway 322's end of giving vent to anger is equipped with wind direction regulation group 4, wind direction regulation group 4 is used for adjusting the aperture of end of giving vent to anger for combustion air mixes with gas in different positions, forms the flame of different co-altitude.

In the technical scheme of the utility model, the tar tube furnace 100 comprises a furnace body 1, a heating furnace tube 2 and a burner 3, wherein the furnace body 1 is provided with a radiation chamber 11 extending vertically, and the bottom wall of the radiation chamber 11 is provided with a through hole; the heating furnace tube 2 is wound in the radiation chamber 11, and a plurality of heat conducting tube sections 21 distributed along the up-down direction are formed, and each heat conducting tube section 21 is gradually and downwardly inclined; the burner 3 is located the outside of furnace body 1, and corresponds radiant chamber 11's diapire center department, the burner 3 is formed with along upper and lower to distributing in proper order and the combustion chamber 31 and the inlet chamber 32 of intercommunication each other, combustion chamber 31 with the through-hole intercommunication, inlet chamber 32 has gas passageway 321 and combustion air passageway 322 that outwards distributes in proper order from the center, combustion air passageway 322's end of giving vent to anger is equipped with wind direction regulation group 4, wind direction regulation group 4 is used for adjusting the aperture of end of giving vent to anger for combustion air mixes with gas in different positions, forms the flame of different co-altitude. Through setting up wind direction adjustment group 4 spare, adjust the aperture of end of giving vent to anger for combustion-supporting air and gas are in different high positions in the combustion chamber 31 mix, thereby make behind the ignition of combustion chamber 31 form the flame of different height, so, according to actual conditions, adjust the flame of combustor 3, so that flame with heating furnace tube 2 keeps safe distance, guarantees heating furnace tube 2's temperature is in suitable range, reduces heating furnace tube 2's production of coke nucleus, thereby slows down even eliminates heating furnace tube 2's jam problem reduces the shutdown maintenance number of times, promotes the product percent of pass.

In this embodiment, as shown in fig. 2, the wind direction adjusting unit 4 includes a fixing plate 41 and an air adjusting plate 42, where the fixing plate 41 is disposed at the air outlet end; the air adjusting plate 42 is gradually inclined outwards from top to bottom, and the lower end of the air adjusting plate 42 is rotatably mounted on the fixing plate 41 along an axis extending in the front-rear direction, so as to drive the upper end of the adjusting plate to swing to adjust the opening of the air outlet end. In this way, by adjusting the included angle between the air adjusting plate 42 and the fixing plate 41, the upper end of the adjusting plate is far away from or near to the air outlet end, and then the opening of the air outlet end is adjusted, so that the combustion air and the fuel gas are mixed at different height positions in the combustion chamber 31, so that flames with different heights are formed in the combustion chamber 31.

In this embodiment, as shown in fig. 2, at least three air channels 3221 are formed in the combustion air channel 322 and are sequentially arranged along the up-down direction, the combustion chamber 31 is at least in communication with one of the at least three air channels 3221, and a wind deflector 5 is disposed in each air channel 3221 to correspondingly adjust the opening and closing of each air channel 3221. Thus, the tar tube furnace 100 has a larger load capacity, so as to adapt to more working conditions, improve the practicability of the tar tube furnace 100, select the air channel 3221 close to the furnace body 1 and control the opening of the wind shield 5 when the load of the tar tube furnace 100 is larger, thereby adjusting the mixing ratio of combustion air and fuel gas, and further meeting the requirement of the tar tube furnace 100 on the heavy load working conditions.

Specifically, in this embodiment, as shown in fig. 2, each air channel 3221 includes an air outlet channel 3221a and an air inlet channel 3221b sequentially distributed along a left-right direction, one end of the air outlet channel 3221a is communicated with the combustion chamber 31, the other end is communicated with the air inlet channel 3221b, and in the left-right direction, a plurality of air outlet channels 3221a are arranged side by side to form a primary air channel 3222, a secondary air channel 3223 and a tertiary air channel 3224 sequentially sleeved, and the air direction adjusting group 4 is disposed at a port of the air outlet channel 3221a of the primary air channel 3222. In this way, through the wind direction adjusting group 4, the combustion air in the primary air duct 3222 forms a swirl wind with a certain angle with the fuel gas in the fuel gas channel 321, so that the combustion air and the fuel gas are mixed at the lowest position along the up-down direction, the flame height is reduced as much as possible, and the temperature of the heating furnace tube 2 is in a proper range under the working condition of the tar tube furnace 100 with small load; when the load of the tar tube furnace 100 is large, the secondary air channel 3223 or the tertiary air channel 3224 is selected, and the combustion air of the secondary air channel 3223 and the tertiary air channel 3224 directly enters the combustion chamber 31 upwards, so that the mixing position of the fuel gas and the combustion air is high, and the flame height in the combustion chamber 31 is high, so that the requirement of the heavy load working condition is met.

In this embodiment, as shown in fig. 1, the furnace body 1 is further formed with a convection chamber 12 above the radiation chamber 11, and the convection chamber 12 communicates with the radiation chamber 11; the tar tube furnace 100 further includes a heat exchange furnace tube 6, where the heat exchange furnace tube 6 is wound in the convection chamber 12 along the up-down direction, and the lower end of the heat exchange furnace tube is communicated with the upper end of the heating furnace tube 2, so as to guide the tar into the heating furnace tube 2. The smoke generated by the combustion in the radiation chamber 11 enters the convection chamber 12, and the heat exchange furnace tube 6 absorbs the heat of the smoke so as to preheat tar in the heat exchange furnace tube 6, thereby improving the heating efficiency of the tar tube furnace 100 and saving the consumption of fuel gas.

Specifically, in this embodiment, as shown in fig. 1, the heat exchange furnace tube 6 is integrally disposed with the heating furnace tube 2. Thus, tar leakage at the joint of the heat exchange furnace tube 6 and the heating furnace tube 2 is prevented, and the furnace tube installation step of the tar tube furnace 100 is simplified.

In this embodiment, as shown in fig. 1, the tar tube furnace 100 further includes a combustion air transmission tube 7, where the combustion air transmission tube 7 is wound in the convection chamber 12 and is located above the heat exchange furnace tube 6, and one end of the combustion air transmission tube 7 is communicated with the outside, and the other end is communicated with the combustion air channel 322. The smoke generated by the combustion in the radiant chamber 11 enters the convection chamber 12, and the combustion air transfer pipe 7 absorbs the heat of the smoke to preheat the combustion air in the combustion air transfer pipe 7.

In this embodiment, as shown in fig. 1, the upper end portion of the convection chamber 12 is gradually inclined from bottom to top to form a smoke collecting channel 121, and a chimney is connected above the smoke collecting channel 121 for discharging smoke in the furnace body 1. In this way, smoke generated by the combustion in the radiation chamber 11 is removed, and external air is prevented from entering the furnace body 1, thereby affecting the flame in the combustion chamber 31.

In this embodiment, the caliber of the radiation chamber 11 is d, and the height of the radiation chamber 11 is h, wherein h/d > 3. Because the tar deep processing production line, equipment arrangement is compact, and the floor space of the production line is well defined, the design adjustment of the equipment cannot exceed the original floor space, so that the tar tube furnace 100 can prevent the top of the tar tube furnace 100 from being damaged due to the fact that the ratio of the caliber of the radiation chamber 11 to the height is set while the floor space is not changed, and the flame of the combustion chamber 31 is prevented from being raised to cause top punching.

Specifically, in this embodiment, as shown in fig. 1, the tar tube furnace 100 further includes a radiant member 8 disposed in the radiant chamber 11, where an upper end portion of the radiant member 8 is detachably connected, and a lower end portion of the radiant member is used for blocking flames in the combustion chamber 31; the heating furnace tube 2 is wound outside the radiation piece 8. Thus, when the flame in the combustion chamber 31 is high, the bottom of the radiation member 8 blocks the flame to prevent the top of the tar tube furnace 100 from being damaged by the flame, and simultaneously, the heat is radiated to the heating furnace tube 2, so that the heating effect of the heating furnace tube 2 at the position is ensured.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A tar tube furnace, comprising:

2. The tar tube furnace as recited in claim 1, wherein the wind direction adjustment group comprises:

the air regulating plate is gradually and outwards inclined from top to bottom, and the lower end part of the air regulating plate is rotatably arranged on the fixed plate along an axis extending forwards and backwards so as to drive the upper end of the air regulating plate to swing to adjust the opening of the air outlet end.

3. The tar tube furnace as set forth in claim 1, wherein at least three air channels are formed in the combustion air channel and are sequentially disposed in an up-down direction, the combustion chamber is in communication with at least one of the at least three air channels, and a wind shield is disposed in each air channel for correspondingly adjusting the opening and closing of each air channel.

4. The tar tube furnace as recited in claim 3, wherein each of said air channels comprises an air outlet channel and an air inlet channel which are sequentially distributed along a left-right direction, one end of said air outlet channel is communicated with said combustion chamber, the other end is communicated with said air inlet channel, a plurality of said air outlet channels are arranged side by side along the left-right direction to form a primary air channel, a secondary air channel and a tertiary air channel which are sequentially sleeved, and said air direction adjusting group is arranged at the port of the air outlet channel of said primary air channel.

5. The tar tube furnace as recited in claim 1, wherein said furnace body further defines a convection chamber above said radiant chamber, said convection chamber in communication with said radiant chamber;

6. The tar tube furnace of claim 5, wherein the heat exchange furnace tube is integrally disposed with the heating furnace tube.

7. The tar tube furnace of claim 5, further comprising a combustion air delivery tube disposed around the convection chamber and above the heat exchange furnace tube, wherein one end of the combustion air delivery tube is in communication with the exterior and the other end is in communication with the combustion air passage.

8. The tar tube furnace as recited in claim 5, wherein an upper end of the convection chamber is inclined gradually inwards from bottom to top to form a smoke collecting channel, and a chimney is communicated above the smoke collecting channel for discharging smoke in the furnace body.

9. The tar tube furnace as recited in claim 1, wherein the radiant chamber has a caliber d and a height h, wherein h/d > 3.

10. The tar tube furnace as defined in claim 1, further comprising a radiation member provided in the radiation chamber, wherein an upper end portion of the radiation member is detachably connected, and a lower end portion thereof is used for blocking flames of the combustion chamber;

the heating furnace tube is wound outside the radiation piece.