CN109956473B - External heating type low-temperature carbonization converter - Google Patents
External heating type low-temperature carbonization converter Download PDFInfo
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- CN109956473B CN109956473B CN201910338572.3A CN201910338572A CN109956473B CN 109956473 B CN109956473 B CN 109956473B CN 201910338572 A CN201910338572 A CN 201910338572A CN 109956473 B CN109956473 B CN 109956473B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
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- Inorganic Chemistry (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
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Abstract
The invention discloses an external heating type low-temperature carbonization converter, which comprises a furnace body, a feeding mechanism arranged at one end of the furnace body, a discharging mechanism arranged at the other end of the furnace body, and a transmission mechanism arranged outside the furnace body; the feeding mechanism comprises a feeding plate for fixing a feeding pipe, a feeding cover arranged between the feeding plate and the furnace body, a feeding shoveling plate fixed on the inner side wall of the feeding cover, a feeding pipe plate assembly arranged between the feeding cover and the furnace body, and one end of an air outlet pipe fixed on the feeding pipe plate assembly; the discharging mechanism comprises a discharging tube plate assembly arranged on the furnace cylinder, an air inlet pipe fixed on the discharging tube plate assembly and a furnace end cover arranged behind the discharging tube plate assembly; a material pipe is arranged between the feeding pipe plate assembly and the discharging pipe plate assembly, and one end, close to feeding, of the material pipe is connected with an expansion sealing assembly; the furnace body is internally provided with a sliding support component which is fixed on the inner side of the furnace outer cylinder. The invention has high integral reliability, safety and environmental protection, and the produced materials have stable quality and can be continuously and industrially produced.
Description
Technical Field
The invention relates to an external heating type low-temperature carbonization converter, which is mainly used for producing devices for insulating air such as coal, wood, asphalt, resin and the like, heating the air to a final temperature of 300-600 ℃ and pyrolyzing the air to obtain carbonized materials or pyrolyzed products.
Background
The low-temperature carbonization is one of important processes in the process of producing activated carbon, and the process is a process of heating raw materials to reduce non-carbon elements so as to produce carbonaceous materials suitable for an activation process, and is a main process before activation. Because of the advantages of the external heating type low-temperature carbonization converter, the external heating type low-temperature carbonization converter has a trend and a direction of development, and particularly the multi-bin type external heating type low-temperature carbonization converter has more advantages, however, the external heating type low-temperature carbonization converter has the problem of expansion sealing of a material pipe, so that the equipment cannot be normally produced for a long time.
The known Chinese patent specification of the disclosure technology discloses an external heating type low-temperature carbonization converter (patent number ZL 201410469806.5) on the date of 09 month 16 in 2013, the problem of expansion sealing of a material pipe is solved by the structure of the carbonization furnace, but the prior multi-pipe external heating carbonization furnace adopts an internal heat insulation structure, so that a heat insulation layer is arranged between a furnace shell and an interlayer of the material pipe, when the heat insulation layer is problematic, the heat insulation layer cannot be directly repaired, the heat insulation layer can be repaired only by detaching the material pipe completely, the requirement of stable production cannot be met, a lot of troubles are brought to industrial continuous production, the reliability is reduced, and the stability of the product quality is influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an external heating type low-temperature carbonization converter which is suitable for industrial continuous production, high in reliability, stable in product quality, safe and environment-friendly.
In order to achieve the above purpose, the technical means adopted by the invention are as follows: an external heating type low-temperature carbonization converter comprises a furnace body, a feeding mechanism arranged at one end of the furnace body, a discharging mechanism arranged at the other end of the furnace body, and a transmission mechanism arranged outside the furnace body;
the feeding mechanism comprises a feeding plate for fixing a feeding pipe, a feeding cover arranged between the feeding plate and the furnace body, a feeding shoveling plate fixed on the inner side wall of the feeding cover, a feeding pipe plate assembly arranged between the feeding cover and the furnace body, and one end of an air outlet pipe fixed on the feeding pipe plate assembly;
the discharging mechanism comprises a discharging tube plate assembly arranged on the furnace cylinder, an air inlet pipe fixed on the discharging tube plate assembly and a furnace end cover arranged behind the discharging tube plate assembly;
a material pipe is arranged between the feeding pipe plate assembly and the discharging pipe plate assembly, one end, close to feeding, of the material pipe is fixedly connected with an expansion sealing assembly, and the other end of the expansion sealing assembly is fixedly connected to the feeding pipe plate;
at least one sliding support component is arranged in the furnace body and fixed on the inner side of the outer furnace cylinder.
Further, the furnace body is a cylindrical barrel body and is composed of a furnace outer barrel made of high-temperature-resistant metal materials and a heat-insulating layer fixed on the outer side of the furnace outer barrel, and a plurality of joints are arranged on the heat-insulating layer in the axial direction of the furnace outer barrel.
Further, the feeding tube plate assembly is composed of two feeding tube plates, one end of an air outlet pipe is fixed at the center of the two feeding tube plates, an expansion sealing assembly of a material pipe is arranged between the two feeding tube plates, an expansion sealing fixed pipe of the expansion sealing assembly is fixed with the feeding tube plates on the feeding cover side, an expansion sealing movable pipe is fixed at the free end of the material pipe, the free end of the material pipe is supported on the feeding tube plate of the other feeding tube plate, and soft heat insulation materials are arranged on the inner sides of the two feeding tube plates, the expansion sealing assembly and the outer sides of the air outlet pipe.
Further, the discharging tube plate assembly consists of two discharging tube plates and a heat insulation tube plate, one end of the air inlet pipe is fixed at the center of the two discharging tube plates, the two discharging tube plates are fixed on the same number of discharging tube plate rib plates as the material pipes, and heat insulation materials are arranged between the discharging tube plates at the side of the discharging cover and the heat insulation tube plates.
Further, at least two metal tubular material pipes are arranged in the furnace cylinder, and the material pipes are uniformly distributed along concentric circles by the central axis of the furnace body; the material pipe is fixed at discharge end and ejection of compact tube sheet subassembly, and the slip support subassembly is fixed in the stove section of thick bamboo inboard, and every group slip support subassembly comprises with the staple bolt subassembly of material pipe same quantity, and every staple bolt subassembly comprises a staple bolt and two bottom sprag gusset, and two support gusset and staple bolt constitute circular space, and the material pipe freely slides in this circular space.
Further, the material pipe is fixed at the discharging end and the discharging pipe plate assembly, and a reinforcing rib plate is welded at the joint of the discharging pipe plate and the material pipe; one end of the air outlet pipe is fixed in the middle of the feeding pipe plate assembly, and the other end of the air outlet pipe is provided with an air outlet pipe joint; one end of the air inlet pipe is fixed in the middle of the discharging tube plate assembly, and an air inlet pipe joint is connected behind the air inlet pipe.
Further, the transmission mechanism comprises a rolling ring arranged on the outer surface of the furnace body, a chain wheel, a rolling assembly connected with the rolling ring and a driving assembly connected with the chain wheel.
The beneficial effects of the invention are as follows: the furnace outer cylinder is high-temperature resistant, and is provided with the heat preservation layer with the plurality of axial seams, so that the temperature difference between the inner components of the furnace and the outer cylinder is small, the expansion amount is close, the components fixed in the furnace and the outer cylinder can be directly welded and fixed, the expansion connection of the inner components of the cylinder and the furnace cylinder is not needed to be considered, the components arranged due to the expansion connection are omitted, and the reliability of equipment is greatly improved;
because the sliding support assemblies are welded and fixed on the inner side of the outer cylinder of the furnace, each group of sliding support assemblies consists of hoop assemblies with the same number as the material pipes, the hoop assemblies are independent freely expandable members, the hoops and the hoops do not interact, expansion stress is avoided, and the reliability of pipe support is greatly improved;
because the discharging tube plate assembly consists of two discharging tube plates and a heat insulation tube plate, one end of the air inlet pipe is welded and fixed at the center of the two discharging tube plates and the same number of rib plates on the material pipe are used for fixing the two discharging tube plates, the two discharging tube plates and the rib plates form a high-rigidity structural member, and the material pipe is welded and fixed on the two discharging tube plates, so that the rigidity of the discharging tube plate assembly is further improved, and the inertia moment of the discharging tube plate assembly relative to the single tube plate structure at each section is greatly improved;
in addition, a heat insulation material is arranged between the discharging tube plate and the heat insulation tube plate at the side of the discharging cover, so that the temperature of the discharging tube plate and the temperature of the discharging cover are isolated, and the reduction of the yield strength of the material at the higher temperature of the discharging tube plate is reduced;
the combined design of the structure finally ensures that the whole equipment has high reliability, is safe and environment-friendly, and the produced materials have stable quality and can be continuously produced in an industrialized mode.
Drawings
The invention is described in detail below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present invention;
in the figure: 1. the device comprises an air outlet pipe, 2, a feeding plate, 3, a feeding cover, 4, a feeding shoveling plate, 5, a feeding tube plate, 6, an expansion sealing assembly, 7, an outer furnace cylinder, 8, an insulating layer, 9, a material pipe, 10, a rolling ring, 11, a chain wheel, 12, a hoop, 13, a supporting rib plate, 14, a discharging tube plate, 15, a discharging tube plate rib plate, 16, a heat insulation tube plate, 17, a sealing ring, 18, a graphite seal, 19, a furnace end cover, 20, an air inlet pipe, 21, a rolling assembly, 22, an expansion sealing fixing pipe, 23 and an expansion sealing moving pipe.
Detailed Description
As shown in figure 1, the external heating type low-temperature carbonization converter comprises a furnace body, a feeding mechanism arranged at one end of the furnace body, a discharging mechanism arranged at the other end of the furnace body and a transmission mechanism arranged outside the furnace body;
the feeding mechanism comprises a feeding plate 2 for fixing a feeding pipe, a feeding cover 3 arranged between the feeding plate 2 and the furnace body, a feeding shoveling plate 4 fixed on the inner side wall of the feeding cover 3, a feeding pipe plate assembly arranged between the feeding cover 3 and the furnace body, and one end of an air outlet pipe 1 is fixed on the feeding pipe plate assembly;
the discharging mechanism comprises a discharging tube plate assembly arranged on the furnace cylinder, an air inlet pipe 20 fixed on the discharging tube plate assembly and a furnace end cover 19 arranged behind the discharging tube plate assembly;
a material pipe 9 is arranged between the feeding pipe plate assembly and the discharging pipe plate assembly, an expansion sealing assembly is fixedly connected to one end, close to the feeding, of the material pipe 9, and the other end of the expansion sealing assembly is fixedly connected to the feeding pipe plate 5;
at least one sliding support component is arranged in the furnace body and is fixed on the inner side of the furnace outer cylinder 7.
The feeding tube plate assembly consists of two feeding tube plates 5, one end of an air outlet tube 1 is fixed at the center of the two feeding tube plates 5, an expansion sealing assembly of a material tube 9 is arranged between the two feeding tube plates 5, an expansion sealing fixed tube 22 and the feeding tube plates 5 at the side of a feeding cover are fixed, an expansion sealing moving tube 23 is fixed on the material tube 9 and freely slides and is supported on the feeding tube plates at the other end, soft heat-insulating materials are arranged at the inner sides of the two feeding tube plates 5 and the outer sides of the expansion sealing assembly and the air outlet tube 1, so that the temperature in a furnace is isolated from the temperature of the feeding cover 3, materials in the feeding cover 3 cannot be softened or organic matters are separated out, and the materials cannot be blocked in the feeding cover 3.
The discharging tube plate assembly consists of two discharging tube plates 14 and a heat insulation tube plate 16, one end of an air inlet pipe 20 is fixed at the center of the two discharging tube plates 14, the two discharging tube plates 14 are fixed with discharging tube plate rib plates 15 with the same number as the material tubes 9, the two discharging tube plates 14 and the discharging tube plate rib plates 15 form a high-rigidity structural member, the material tubes 9 are welded and fixed on the two discharging tube plates 14, the rigidity of the discharging tube plate assembly is further improved, and a heat insulation material is arranged between the discharging tube plates 14 and the heat insulation tube plates 16 on the discharging cover side.
The furnace cylinder is a cylindrical cylinder body, and is composed of a furnace outer cylinder 7 made of high-temperature-resistant metal materials and a heat preservation layer 8 fixed on the outer side of the furnace outer cylinder 7, wherein the heat preservation layer 8 is provided with a plurality of joints in the axial direction of the furnace outer cylinder 7. The furnace cylinder is composed of a high-temperature-resistant metal material furnace outer cylinder 7 and a heat-insulating material fixed on the outer side of the furnace cylinder, the heat-insulating material is soft, and as the furnace outer cylinder 7 is heated and expanded, the heat-insulating material on the outer side is provided with a plurality of joints in the axial direction of the furnace cylinder so as to compensate the axial expansion of the furnace body; the radial expansion of the furnace cylinder body is small and is compressed and absorbed by the soft heat-insulating material.
At least two metal tubular material pipes 9 are arranged in the furnace barrel, and the material pipes 9 are uniformly distributed along concentric circles by the central axis of the furnace body; the material pipe 9 is fixed at the discharge end and the discharge tube plate assembly, the sliding support assemblies are fixed at the inner side of the furnace barrel, each group of sliding support assemblies is composed of hoop assemblies with the same quantity as the material pipe, each hoop assembly is composed of one hoop 12 and two bottom support rib plates 13, the two support rib plates 13 and the hoop 12 form a circular space, and the material pipe 9 freely slides in the circular space.
The material pipe 9 is fixed at the discharge end and the discharge pipe plate assembly, and a discharge pipe plate rib plate 15 is welded at the joint of the discharge pipe plate 14 and the material pipe 9. The material pipe 9 is fixed at the discharge end and the discharge pipe plate assembly, and a rib plate is arranged at the joint of the discharge pipe plate and the material pipe for welding reinforcement; the sliding support assemblies are fixed on the inner side of the outer furnace cylinder 7, each group of sliding support assemblies is composed of hoop assemblies with the same number as that of the material pipes, and the bottom support rib plates and the hoops form a special structural design of a circular space, so that the material pipes can freely slide in the circular space.
One end of the air outlet pipe 1 is fixed in the middle of the feeding pipe plate assembly, and the other end is provided with an air outlet pipe joint; one end of the air inlet pipe 20 is fixed in the middle of the discharging tube plate assembly, and an air inlet pipe joint is connected behind the air inlet pipe.
The transmission mechanism arranged outside the furnace body comprises a rolling ring 10 and a chain wheel 11 which are arranged on the outer surface of the furnace body, a rolling assembly connected with the rolling ring 10 and a driving assembly connected with the chain wheel 11.
The furnace outer cylinder is high-temperature resistant, and is provided with the heat-insulating layer with the plurality of axial joints, so that the temperature difference between the internal components of the furnace and the outer cylinder is small, the expansion amount is close, the components fixed in the furnace and the outer cylinder can be directly welded and fixed, the expansion connection of the internal components of the cylinder and the furnace cylinder is not needed to be considered, the components arranged due to the expansion connection are omitted, and the reliability of equipment is greatly improved;
because the sliding support assemblies are welded and fixed on the inner side of the outer cylinder of the furnace, each group of sliding support assemblies consists of hoop assemblies with the same number as the material pipes, the hoop assemblies are independent freely expandable members, the hoops and the hoops do not interact, expansion stress is avoided, and the reliability of pipe support is greatly improved;
because the discharging tube plate assembly consists of two discharging tube plates and a heat insulation tube plate, one end of the air inlet pipe is welded and fixed at the center of the two discharging tube plates and the same number of rib plates on the material pipe are used for fixing the two discharging tube plates, the two discharging tube plates and the rib plates form a high-rigidity structural member, and the material pipe is welded and fixed on the two discharging tube plates, so that the rigidity of the discharging tube plate assembly is further improved, and the inertia moment of the discharging tube plate assembly relative to the single tube plate structure at each section is greatly improved;
in addition, a heat insulation material is arranged between the discharging tube plate and the heat insulation tube plate at the side of the discharging cover, so that the temperature of the discharging tube plate and the temperature of the discharging cover are isolated, and the reduction of the yield strength of the material at the higher temperature of the discharging tube plate is reduced;
the combined design of the structure finally ensures that the whole equipment has high reliability, is safe and environment-friendly, and the produced materials have stable quality and can be continuously produced in an industrialized mode.
Claims (5)
1. An external heating type low-temperature carbonization converter comprises a furnace body, a feeding mechanism arranged at one end of the furnace body, a discharging mechanism arranged at the other end of the furnace body, and a transmission mechanism arranged outside the furnace body; the method is characterized in that: the furnace body is a cylindrical barrel body and is composed of a furnace outer barrel made of high-temperature resistant metal materials and a heat preservation layer fixed on the outer side of the furnace outer barrel, the heat preservation layer is provided with a plurality of joints in the axial direction of the furnace outer barrel, the feeding mechanism comprises a feeding plate for fixing a feeding pipe, a feeding cover arranged between the feeding plate and the furnace body, a feeding shoveling plate fixed on the inner side wall of the feeding cover, a feeding pipe plate assembly arranged between the feeding cover and the furnace body, and one end of an air outlet pipe is fixed on the feeding pipe plate assembly; the discharging mechanism comprises a discharging tube plate assembly arranged on the furnace cylinder, an air inlet pipe fixed on the discharging tube plate assembly and a furnace end cover arranged behind the discharging tube plate assembly; a material pipe is arranged between the feeding pipe plate assembly and the discharging pipe plate assembly, one end, close to feeding, of the material pipe is fixedly connected with an expansion sealing assembly, and the other end of the expansion sealing assembly is fixedly connected to the feeding pipe plate; at least one sliding support component is arranged in the furnace body and is fixed on the inner side of the outer furnace cylinder; at least two metal tubular material pipes are arranged in the furnace cylinder, and the material pipes are uniformly distributed along concentric circles by the central axis of the furnace body; the material pipe is fixed at discharge end and ejection of compact tube sheet subassembly, and every group slip support assembly comprises the staple bolt subassembly of the same quantity with the material pipe, and every staple bolt subassembly comprises a staple bolt and two bottom sprag gusset, and two sprag gusset and staple bolt constitute circular space, and the material pipe freely slides in this circular space.
2. The external heating type low temperature carbonization converter according to claim 1, wherein: the feeding tube plate assembly consists of two feeding tube plates, one end of an air outlet pipe is fixed at the center of the two feeding tube plates, an expansion sealing assembly of a material pipe is arranged between the two feeding tube plates, an expansion sealing fixed pipe of the expansion sealing assembly is fixed with the feeding tube plates on the feeding cover side, an expansion sealing movable pipe is fixed at the free end of the material pipe, the free end of the material pipe is supported on the other feeding tube plate, and soft heat insulation materials are arranged on the inner sides of the two feeding tube plates, the expansion sealing assembly and the outer sides of the air outlet pipe.
3. The external heating type low temperature carbonization converter according to claim 1, wherein: the discharging tube plate assembly consists of two discharging tube plates and a heat insulation tube plate, one end of the air inlet pipe is fixed at the center of the two discharging tube plates, the two discharging tube plates are fixed on the same number of discharging tube plate rib plates as the material pipes, and heat insulation materials are arranged between the discharging tube plates at the side of the discharging cover and the heat insulation tube plates.
4. The external heating type low temperature carbonization converter according to claim 1, wherein: the material pipe is fixed at the discharge end and the discharge pipe plate assembly, and a reinforcing rib plate is welded at the joint of the discharge pipe plate and the material pipe; one end of the air outlet pipe is fixed in the middle of the feeding pipe plate assembly, and the other end of the air outlet pipe is provided with an air outlet pipe joint; one end of the air inlet pipe is fixed in the middle of the discharging tube plate assembly, and an air inlet pipe joint is connected behind the air inlet pipe.
5. The external heating type low temperature carbonization converter according to claim 1, wherein: the transmission mechanism comprises a rolling ring arranged on the outer surface of the furnace body, a chain wheel, a rolling assembly connected with the rolling ring and a driving assembly connected with the chain wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910338572.3A CN109956473B (en) | 2019-04-25 | 2019-04-25 | External heating type low-temperature carbonization converter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910338572.3A CN109956473B (en) | 2019-04-25 | 2019-04-25 | External heating type low-temperature carbonization converter |
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| CN109956473A CN109956473A (en) | 2019-07-02 |
| CN109956473B true CN109956473B (en) | 2023-10-20 |
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| CN113548664B (en) * | 2021-08-09 | 2023-06-20 | 淮北中清环保科技有限公司 | Multi-tube-pass material copying method of activated carbon rotary kiln |
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| CN201665533U (en) * | 2010-04-16 | 2010-12-08 | 西安三瑞实业有限公司 | External-heating charing converter used for activated carbon producing process |
| CN103466615A (en) * | 2013-09-16 | 2013-12-25 | 淮北正浩机械科技有限公司 | External-heating low-temperature carbonizing converter |
| CN104118860A (en) * | 2014-06-09 | 2014-10-29 | 淮北正浩机械科技有限公司 | Recuperative-heating type carbonization converter |
| CN104211046A (en) * | 2014-09-03 | 2014-12-17 | 淮北正浩机械科技有限公司 | External heat type low-temperature carbonization converter |
| CN209702319U (en) * | 2019-04-25 | 2019-11-29 | 淮北中清环保科技有限公司 | A kind of external-heat low-temperature carbonization converter |
-
2019
- 2019-04-25 CN CN201910338572.3A patent/CN109956473B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201665533U (en) * | 2010-04-16 | 2010-12-08 | 西安三瑞实业有限公司 | External-heating charing converter used for activated carbon producing process |
| CN103466615A (en) * | 2013-09-16 | 2013-12-25 | 淮北正浩机械科技有限公司 | External-heating low-temperature carbonizing converter |
| CN104118860A (en) * | 2014-06-09 | 2014-10-29 | 淮北正浩机械科技有限公司 | Recuperative-heating type carbonization converter |
| CN104211046A (en) * | 2014-09-03 | 2014-12-17 | 淮北正浩机械科技有限公司 | External heat type low-temperature carbonization converter |
| CN209702319U (en) * | 2019-04-25 | 2019-11-29 | 淮北中清环保科技有限公司 | A kind of external-heat low-temperature carbonization converter |
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