CN211420059U - Cracking equipment and external combustion hot air furnace - Google Patents
Cracking equipment and external combustion hot air furnace Download PDFInfo
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- CN211420059U CN211420059U CN202020046482.5U CN202020046482U CN211420059U CN 211420059 U CN211420059 U CN 211420059U CN 202020046482 U CN202020046482 U CN 202020046482U CN 211420059 U CN211420059 U CN 211420059U
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Abstract
The application discloses cracking equipment and external burning hot-blast furnace, wherein, cracking equipment includes: the cracking furnace comprises a cracking cylinder and a heat supply cylinder, wherein two ends of the heat supply cylinder are hermetically covered on the outer wall of the cracking cylinder, and the cracking cylinder rotates relative to the heat supply cylinder which is fixedly arranged; the external combustion hot blast stove is externally arranged in the cracking furnace, the external combustion hot blast stove is communicated with the heating cylinder through a hot gas pipeline, the external combustion hot blast stove is used for combusting energy substances and generating heating gas, and the heating gas is introduced into the heating cylinder through the hot gas pipeline. The cracking equipment does not directly burn energy substances in the heat supply cylinder to heat the cracking cylinder, but burns the energy substances through the external combustion hot blast stove, and the generated hot air is introduced into the heat supply cylinder to heat the cracking cylinder through the hot air. Consequently, compare in direct burning toasting pyrolysis section of thick bamboo in the burning section of thick bamboo, the heating temperature in the heating section of thick bamboo can be controlled better through steam to the pyrolysis apparatus in this application to the reaction of the material in the better control pyrolysis section of thick bamboo.
Description
Technical Field
The utility model relates to a schizolysis technical field, in particular to schizolysis equipment. The utility model discloses still relate to an external burning hot-blast furnace of being applied to in this pyrolysis apparatus.
Background
The existing cracking equipment comprises a cracking cylinder and a combustion cylinder, wherein two ends of the combustion cylinder are hermetically covered on the outer wall of the cracking cylinder, the combustion cylinder is fixed, the cracking cylinder rotates relative to the combustion cylinder, the heat supply mode of the cracking equipment is that combustible substances are thrown into the combustion cylinder for direct combustion, and the combustion flame directly bakes the cracking cylinder. But through the direct heating of flame, the temperature in the combustion section of thick bamboo is difficult to control, and when the combustible substance adds too much to the combustion section of thick bamboo, the combustion section of thick bamboo high temperature seriously influences the carbonization level of pyrolysis equipment and the whole safety of pyrolysis equipment.
In summary, how to solve the problem that the temperature of the combustion cylinder is not easy to control becomes a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a cracking apparatus to better control the temperature in the combustion cylinder.
Another object of the utility model is to provide an external burning hot-blast furnace of being applied to in this pyrolysis apparatus to control the temperature in the combustion cylinder better.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a lysis apparatus comprising:
the cracking furnace comprises a cracking cylinder and a heat supply cylinder, two ends of the heat supply cylinder are hermetically covered on the outer wall of the cracking cylinder, and the cracking cylinder rotates relative to the heat supply cylinder which is fixedly arranged;
the external combustion hot blast stove is arranged outside the cracking furnace, the external combustion hot blast stove is communicated with the heat supply cylinder through a hot gas pipeline, the external combustion hot blast stove is used for burning energy substances and generating heating gas, and the heating gas passes through the hot gas pipeline and is introduced into the heat supply cylinder.
Preferably, in the cracking apparatus described above, the hot gas line is provided with a valve.
Preferably, in the cracking apparatus described above, the external combustion hot blast stove is arranged in parallel with the cracking furnace, and the number of the hot gas pipes is plural and is arranged along the axial direction of the external combustion hot blast stove.
Preferably, in the cracking plant described above, the hot gas duct is perpendicular to the external wall of the external combustion hot blast stove.
Preferably, in the cracking apparatus, the combustible gas in the cracking cylinder is introduced into the external combustion hot blast furnace for combustion.
Preferably, in the cracking apparatus described above, the heating cylinder is provided with a burner mounting port for mounting a burner capable of igniting source substances in the heating cylinder.
The application also provides an external combustion hot blast stove, which is applied to the cracking equipment, and comprises:
the furnace body is provided with an energy substance inlet, a hot gas outlet and a waste gas outlet, and the hot gas outlet is communicated with a hot gas pipeline;
and the burner is arranged on the furnace body and used for igniting the energy substance in the furnace body.
Preferably, in the external combustion hot blast stove, the stove body is further provided with a pressure relief opening, and a pressure relief valve is arranged in the pressure relief opening.
Preferably, in the above external combustion hot blast stove, the stove body comprises:
an outer layer furnace body;
the inner layer furnace body is positioned inside the outer layer furnace body, and the inner layer furnace body is a refractory furnace body;
the furnace top and the sealing cover are arranged at the top opening of the inner layer furnace body.
Preferably, in the external combustion hot blast stove, a heat insulation gap is arranged between the inner layer stove body and the outer layer stove body, and a heat insulation material is filled in the heat insulation gap.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a cracking device which comprises a cracking furnace, wherein the cracking furnace comprises a cracking cylinder and a heat supply cylinder, two ends of the heat supply cylinder are hermetically covered on the outer wall of the cracking cylinder, and the heat supply cylinder which is relatively fixedly arranged on the cracking cylinder rotates; the external combustion hot blast stove is arranged outside the cracking furnace, the external combustion hot blast stove is communicated with the heating cylinder through a hot gas pipeline, the external combustion hot blast stove is used for combusting energy substances and generating heating gas, and the heating gas is introduced into the heating cylinder through the hot gas pipeline. Therefore, the utility model provides a cracking equipment does not directly burn energy material heating cracking section of thick bamboo in the heat supply section of thick bamboo, but through external burning hot-blast stove burning energy material, lets in the steam that will produce in the heat supply section of thick bamboo, heats a cracking section of thick bamboo through steam. Consequently, compare in direct burning toasting pyrolysis section of thick bamboo in the burning section of thick bamboo, the heating temperature in the heating section of thick bamboo can be controlled better through steam to the pyrolysis apparatus in this application to the reaction of the material in the better control pyrolysis section of thick bamboo.
The utility model provides an external combustion hot blast stove is applied to the cracking equipment in the application, which comprises a stove body and a burner, wherein the stove body is provided with an energy substance inlet, a hot gas outlet and a waste gas outlet, and the hot gas outlet is communicated with a hot gas pipeline; the burner is arranged in the furnace body and used for igniting the energy substance in the furnace body. During operation, energy substance gets into in the furnace body through energy substance import, ignites energy substance through the combustor, and energy substance burning produces heating gas, and heating gas gets into the heating section of thick bamboo of pyrolysis equipment through steam outlet and hot gas pipeline, heats a pyrolysis section of thick bamboo through heating gas. Compare in direct burning toasting pyrolysis section of thick bamboo in the burning section of thick bamboo, pyrolysis equipment in this application passes through the heating temperature that steam can control in the heat supply section of thick bamboo better to the reaction of the material in the better control pyrolysis section of thick bamboo.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic top view of a cracking apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a cracking apparatus provided by an embodiment of the present invention without an external combustion hot blast stove;
fig. 3 is a schematic side view of a cracking apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an external combustion hot blast stove provided by the embodiment of the present invention.
Wherein, 1 is a cracking furnace, 11 is a heat supply cylinder, 12 is a cracking cylinder, 111 is a gas outlet, 121 is a discharge port, 122 is a feed inlet, 13 is a burner preformed hole, 2 is an external combustion hot blast stove, 21 is a furnace body, 211 is an outer layer furnace body, 212 is an inner layer furnace body, 213 is a furnace top, 214 is a heat insulating material, 22 is a waste gas outlet, 23 is a burner, 24 is an energy substance inlet, 25 is a hot gas outlet, 3 is a hot gas pipeline, and 4 is a control valve.
Detailed Description
The core of the utility model is to provide a cracking equipment, can control the temperature in the combustion cylinder better.
The utility model also provides an external burning hot-blast stove of being applied to in this schizolysis equipment can control the temperature in the combustion cylinder better.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a cracking apparatus, including a cracking furnace 1 and an external combustion hot air furnace 2, wherein the cracking furnace 1 includes a cracking cylinder 12 and a heat supply cylinder 11, two ends of the heat supply cylinder 11 are sealed and covered on an outer wall of the cracking cylinder 12, the heat supply cylinder 11, which is relatively fixed to the cracking cylinder 12, rotates, and two ends of the cracking cylinder 12 are respectively provided with a feeding port 122 and a discharging port 121; external burning hot-blast furnace 2 sets up outside pyrolysis furnace 1, and external burning hot-blast furnace 2 communicates through hot gas pipeline 3 with a heat supply section of thick bamboo 11, and external burning hot-blast furnace 2 is used for burning energy material and produces heating gas, and heating gas lets in the heat supply section of thick bamboo 11 through hot gas pipeline 3.
The utility model provides a pyrolysis apparatus does not directly burn energy material heating pyrolysis section of thick bamboo 12 in the heat supply section of thick bamboo 11, but through external burning hot-blast furnace 2 burning energy material, lets in the steam that produces in the heat supply section of thick bamboo 11, heats pyrolysis section of thick bamboo 12 through steam. Therefore, compare in direct burning toast pyrolysis section of thick bamboo in the burning section of thick bamboo, pyrolysis equipment in this application can control the heating temperature in the heat supply section of thick bamboo 11 better through steam to the reaction of the material in the pyrolysis section of thick bamboo 12 is controlled better.
Further, in the present embodiment, the hot gas pipeline 3 is provided with a valve 4, and the amount of hot gas entering the heat supply cylinder 11 is controlled by controlling the opening and closing of the valve 4, so as to better and more accurately control the heating temperature in the heat supply cylinder 11. The output total amount through control steam controls the temperature in the heat supply section of thick bamboo 11, compares in the high temperature that original combustion section of thick bamboo burning produced, and the temperature control in this application makes the heat supply section of thick bamboo 11 through heating gas is about 750 degrees, has reduced nearly 200 degrees than original combustion method, has increased the life of pyrolysis equipment on the one hand, and the degree of material carbonization in the control pyrolysis section of thick bamboo 12 that also can be better reduces the production of waste material. The valve 4 is preferably an electronic valve, and the opening and closing of the valve 4 can be automatically controlled according to the temperature in the heat supply cylinder 11. Of course, the valve 4 may also be a manual valve, and the opening of the valve are manually controlled.
As shown in fig. 1 and fig. 3, in the present embodiment, the external combustion hot blast stove 2 is arranged in parallel with the cracking furnace 1, and the number of the hot gas pipes 3 is plural and is arranged along the axial direction of the external combustion hot blast stove 2. Specifically, external combustion hot-blast furnace 2 can parallel arrangement in left side, right side, top or the below of pyrolysis furnace 1, with both parallel arrangement, be favorable to a plurality of hot gas pipeline 3 to arrange along external combustion hot-blast furnace 2 and pyrolysis furnace 1's axial to make heating gas along axial evenly distributed in heating cylinder 11, thereby improve the heating effect. The number of the hot gas pipelines 3 is determined according to actual needs, each hot gas pipeline 3 is provided with a valve 4, and the total amount of hot gas in the heat supply cylinder 11 is controlled by controlling the valves 4 in the hot gas pipelines 3.
Further, in this embodiment, the hot gas duct 3 is perpendicular to the outer wall of the external combustion hot air furnace 2, so as to reduce the length of the hot gas duct 3, reduce the flow resistance of the heated gas, and reduce the heat loss.
In this embodiment, the length of the external combustion hot blast stove 2 may be half of the length of the heating cylinder 11, or may be equal to the length of the heating cylinder 11, and the two are arranged side by side. The actual length of the external combustion hot blast stove 2 is determined according to the heating requirement of the cracking cylinder 12.
In this embodiment, the combustible gas generated in the cracking cylinder 12 is introduced into the external combustion hot blast stove 2 for combustion. Because the cracking reaction in the cracking cylinder 12 generates combustible gas, usually the combustible gas is collected and stored as a product, therefore, the collected combustible gas in the cracking cylinder 12 can be led into the external combustion hot blast stove 2 through a pipeline, the consumption of other energy substances such as coal and petroleum can be reduced, and the energy substances can be saved. The combustible gas is conveyed by a fan, and a connecting flange of a pipeline between the combustible gas in the cracking cylinder 12 and the external combustion hot blast stove 2 is required to be a sealed and high-temperature-resistant special flange and has certain acid and alkali corrosion resistance.
When combustible gas enters into external burning hot blast stove 2 through the connecting tube, if combustible gas supplies earlier and ignites with combustor 23 less, when whole equipment got up in operation, can close combustor 23 when combustible gas stable output.
Preferably, the energy substance combusted by the external combustion hot blast stove 2 is combustible gas, and compared with solid and liquid energy substances, the combustible gas can be conveniently conveyed into the external combustion hot blast stove 2.
In the present embodiment, as shown in fig. 2 and 3, the heating cylinder 11 is provided with a burner mounting port 13 for mounting a burner capable of igniting the source substance in the heating cylinder. The burner mounting port 13 is preferably disposed on one side of the heat supply cylinder 11 away from the external combustion hot blast stove 2, i.e. one side of the heat supply cylinder 11 is communicated with the external combustion hot blast stove 2 through the hot gas pipeline 3, and the burner mounting port 13 is disposed on the opposite side of the heat supply cylinder 11. The purpose of the burner mounting port 13 is to: when the hot air provided by the external combustion hot air furnace 2 does not reach the temperature required by the cracking furnace, the cracking equipment is directly heated by the burner arranged in the burner mounting port 13.
As shown in fig. 4, the embodiment of the present invention provides a specific external combustion hot blast stove 2, the external combustion hot blast stove 2 is applied to the cracking apparatus described in any of the above embodiments, the external combustion hot blast stove 2 includes a stove body 21 and a burner 23; the furnace body 21 is provided with an energy substance inlet 24, a hot gas outlet 25 and a waste gas outlet 22, the energy substance inlet 24 is used for introducing combustible energy substances into the furnace body 21, the waste gas outlet 22 is used for discharging redundant burnt waste gas out of the furnace body 21, and the hot gas outlet 25 is used for being communicated with the hot gas pipeline 3; the burner 23 is provided in the furnace body 21 for igniting the energy substance in the furnace body 21.
This external combustion hot-blast furnace 2 during operation, in energy material got into furnace body 21 through energy material import 24, ignited energy material through combustor 23, energy material burning produced heating gas, and heating gas heats a section of thick bamboo 12 through heating gas in hot gas outlet 25 and hot gas pipeline 3 get into pyrolysis equipment's heating cylinder 11. Compare in direct burning toasting pyrolysis section of thick bamboo in the burning section of thick bamboo, the heating temperature in the heating section of thick bamboo 11 can better be controlled through steam to pyrolysis equipment in this application to the reaction of the material in the pyrolysis section of thick bamboo 12 is controlled better. When the amount of hot air used reaches the available upper line, the surplus hot air enters the tail gas system through the waste gas outlet 22 and is directly discharged.
In this embodiment, the energy substance is preferably a combustible gas, the combustible gas enters the furnace body 21 through the energy substance inlet 24, the number of the energy substance inlets 24 can be one or more, preferably, the energy substance inlet 24 is arranged at one end or two ends of the furnace body 21, the combustible gas enters the furnace body 21 from one end or two ends of the furnace body 21 for sufficient combustion, and the temperature of each part in the heat supply cylinder 11 is integrally controlled by matching with the hot gas pipeline 3.
The energy material inlet 24 and the waste gas outlet 22 may be disposed at the same end of the furnace body 21 or disposed at both ends of the furnace body 21, respectively. When the energy material inlet 24 and the waste gas outlet 22 are arranged at the same end of the furnace body 21, the energy material inlet 24 and the waste gas outlet 22 adopt a sleeve structure, the energy material inlet 24 is formed by an inner pipe, and the waste gas outlet 22 is formed by an annular space between the two pipes, so that an opening can be formed on the furnace body 21, and the heat insulation performance of the furnace body 21 is improved.
Further, in this embodiment, the furnace body 21 is further provided with a pressure relief opening, and a pressure relief valve is provided in the pressure relief opening. When the pressure in the external combustion hot blast stove 2 reaches a certain intensity, the pressure release valve is opened, so that the overall safety of the external combustion hot blast stove 2 is ensured.
Further, as shown in fig. 4, in the present embodiment, the furnace body 21 includes an outer layer furnace body 211, an inner layer furnace body 212, and a roof 213; the furnace body 21 takes a steel structure as a frame, the outer layer furnace body 211 is built by common red bricks, the inner layer furnace body 212 is positioned inside the outer layer furnace body 211, and the inner layer furnace body 212 is a refractory furnace body, in particular is built by refractory bricks; the roof 213 is provided at the top opening of the inner furnace body 212. Thereby ensuring the structural strength and the heat preservation performance of the furnace body 21.
Further, in the present embodiment, a heat insulation gap is provided between the inner furnace body 212 and the outer furnace body 211, the width of the heat insulation gap is 1cm to 5cm, and the heat insulation gap is filled with a heat insulation material 214, specifically, heat insulation cotton or air.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A lysis apparatus, comprising:
the device comprises a cracking furnace (1), wherein the cracking furnace (1) comprises a cracking cylinder (12) and a heat supply cylinder (11), two ends of the heat supply cylinder (11) are hermetically covered on the outer wall of the cracking cylinder (12), and the cracking cylinder (12) rotates relative to the heat supply cylinder (11) which is fixedly arranged;
external burning hot-blast furnace (2), arrange in outward pyrolysis furnace (1), external burning hot-blast furnace (2) with heat supply section of thick bamboo (11) are through hot gas pipeline (3) intercommunication, external burning hot-blast furnace (2) are used for burning energy material and produce heating gas, heating gas passes through hot gas pipeline (3) lets in the heat supply section of thick bamboo (11).
2. Cracking device according to claim 1, characterized in that the hot gas line (3) is provided with a valve (4).
3. The cracking plant according to claim 2, wherein the external combustion hot blast stove (2) is arranged in parallel with the cracking furnace (1), and the number of the hot gas pipes (3) is plural and arranged along the axial direction of the external combustion hot blast stove (2).
4. A cracking plant according to claim 3, characterized in that the hot gas duct (3) is perpendicular to the outer walls of the external combustion hot blast stove (2) and the heat supply cartridge (11).
5. The cracking plant according to claim 1, characterized in that the combustible gas produced in the cracking drum (12) is passed to the external combustion hot blast stove (2) for combustion.
6. A cracking plant according to claim 1, characterized in that the heat supply vessel (11) is provided with burner mounting openings (13) for mounting burners capable of igniting source substances in the heat supply vessel (11).
7. An external combustion stove for use in a cracking plant according to any one of claims 1 to 6, comprising:
the furnace body (21) is provided with an energy substance inlet (24), a hot gas outlet (25) and a waste gas outlet (22), and the hot gas outlet (25) is communicated with the hot gas pipeline (3);
the burner (23) is arranged on the furnace body (21) and is used for igniting the energy substance in the furnace body (21).
8. The external combustion hot blast stove according to claim 7, characterized in that the stove body (21) is further provided with a pressure relief opening in which a pressure relief valve is arranged.
9. The external combustion hot blast stove according to claim 7, characterized in that the stove body (21) comprises:
an outer layer furnace body (211);
the inner layer furnace body (212), the inner layer furnace body (212) is positioned inside the outer layer furnace body (211), and the inner layer furnace body (212) is a refractory furnace body;
and the furnace top (213) is provided with a sealing cover at the top opening of the inner furnace body (212).
10. The external combustion hot blast stove according to claim 9, characterized in that a heat insulation gap is provided between the inner furnace body (212) and the outer furnace body (211), and the heat insulation gap is filled with a heat insulation material (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046482.5U CN211420059U (en) | 2020-01-09 | 2020-01-09 | Cracking equipment and external combustion hot air furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046482.5U CN211420059U (en) | 2020-01-09 | 2020-01-09 | Cracking equipment and external combustion hot air furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211420059U true CN211420059U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020046482.5U Active CN211420059U (en) | 2020-01-09 | 2020-01-09 | Cracking equipment and external combustion hot air furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211420059U (en) |
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2020
- 2020-01-09 CN CN202020046482.5U patent/CN211420059U/en active Active
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