CN212051265U - Novel membrane wall circulating fluidized bed gasification furnace - Google Patents
Novel membrane wall circulating fluidized bed gasification furnace Download PDFInfo
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- CN212051265U CN212051265U CN202020402148.9U CN202020402148U CN212051265U CN 212051265 U CN212051265 U CN 212051265U CN 202020402148 U CN202020402148 U CN 202020402148U CN 212051265 U CN212051265 U CN 212051265U
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- collecting tank
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- 238000002309 gasification Methods 0.000 title claims description 42
- 239000012528 membrane Substances 0.000 title claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims description 16
- 238000005266 casting Methods 0.000 claims description 13
- 230000001174 ascending effect Effects 0.000 claims description 12
- 239000003245 coal Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000004321 preservation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000004089 microcirculation Effects 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model relates to a gasifier technical field just discloses a novel diaphragm type wall circulating fluidized bed gasifier, including inside lining castables, lower header, diaphragm type wall, go up header, downcomer, tedge, header tank, gasifier body, support, joint bend, lower ring canal, upper ring canal, gasifier inner chamber, inside lining castables ring sets up inside the gasifier body, the gasifier inner chamber is located inside the inside lining castables, the header tank sets up in gasifier body top one side, support and header tank bottom fixed connection. The utility model discloses a reduce the temperature of gasifier body outer wall, will give off aerial heat and recycle in addition, hot water directly lets in follow-up steam boiler, has improved the output of steam greatly, has avoided the waste of heat energy resource and the thermal pollution that probably brings, has improved the utilization ratio of coal and gasifier total thermal efficiency, has reduced the running cost, has reduced the pollution to the environment.
Description
Technical Field
The utility model relates to a gasifier technical field specifically is a novel diaphragm type wall circulating fluidized bed gasifier.
Background
Gasification is an important means for clean utilization of organic wastes such as coal, biomass, garbage, sludge and the like, and is widely applied to the fields of chemical industry, metallurgy, civil use, industrial gas and the like. The performance of the gasification technology directly influences the healthy development of the industries, plays a significant role in energy conservation and emission reduction control, and is an important guarantee for realizing related control targets of the country. The coal gasification technology has been developed for hundreds of years, the gasification technology of organic wastes such as biomass and the like is rapidly developed from the last 80 century, and the circulating fluidized bed gasification furnace is an efficient and low-pollution energy-saving product. Since the advent, the method has rapidly popularized and developed at home and abroad.
At present, a hearth of a circulating fluidized bed gasification furnace mostly adopts a furnace wall consisting of wear-resistant, fire-resistant and heat-insulating castable, and in the normal operation process, the external temperature of the furnace wall after heat insulation can reach 50-60 ℃, so that part of heat is dissipated into the air, waste is caused, and the utilization rate of coal is reduced. The utility model aims to solve the problem of providing a method for this part heat is recycled, improves the utilization ratio of coal and gasification furnace total thermal efficiency, so we have proposed a novel membrane wall circulating fluidized bed gasification furnace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel diaphragm type wall circulating fluidized bed gasifier reaches the purpose that improves the utilization ratio of coal and the total thermal efficiency of gasifier.
In order to achieve the above object, the utility model provides a following technical scheme: a novel membrane wall circulating fluidized bed gasification furnace comprises a lining casting material, a lower collection box, a membrane wall, an upper collection box, a downcomer, an ascending pipe, a water collection box, a gasification furnace body, a support, a connecting elbow, a lower ring pipe, an upper ring pipe and a gasification furnace inner cavity, wherein the lining casting material is annularly arranged inside the gasification furnace body, the gasification furnace inner cavity is positioned inside the lining casting material, the water collection box is arranged on one side of the top of the gasification furnace body, the support is fixedly connected with the bottom of the water collection box, the connecting elbow is arranged at a central shaft at the bottom of the water collection box, the ascending pipe is connected with one side of the bottom of the connecting elbow, the downcomer is connected with the other side of the bottom of the connecting elbow, the upper ring pipe is annularly connected with the top of the outer surface of the gasification furnace body, the upper collection box is connected with, the lower collection box is connected to the outer side of the lower ring pipe in an annular mode, the membrane type wall is arranged inside the lining casting material in an annular mode, the top of the membrane type wall is communicated with the upper collection box, and the bottom of the membrane type wall is communicated with the lower collection box.
Preferably, the gasifier body is arranged in a cylinder shape, and the inner cavity of the gasifier is arranged in a cylinder shape.
Preferably, the lining casting material is a granular or powdery material consisting of refractory aggregate, powder, a bonding agent, an additive, water or other liquid materials.
Preferably, the top of header tank one side is provided with the inlet tube, header tank one side bottom is provided with the outlet pipe, the inlet tube all is located the same one side of header tank with the outlet pipe, all be provided with the ooff valve on connecting bend, inlet tube and the outlet pipe.
Preferably, the connecting bent pipe is arranged in an inverted Y shape.
Preferably, the upper ring pipe and the lower ring pipe are symmetrically arranged in the middle of the gasification furnace body, and the upper ring pipe and the lower ring pipe are both arranged in a circular ring shape.
Preferably, the bottom of the ascending pipe is communicated with an upper header, and the bottom of the descending pipe is communicated with a lower header.
The utility model provides a novel membrane type wall circulating fluidized bed gasification furnace. The method has the following beneficial effects:
(1) the utility model discloses a reduce the temperature of gasifier body outer wall, will give off aerial heat and recycle in addition, hot water directly lets in follow-up steam boiler, has improved the output of steam greatly, has avoided the waste of heat energy resource and the thermal pollution that probably brings, has improved the utilization ratio of coal and gasifier total thermal efficiency, has reduced the running cost, has reduced the pollution to the environment.
(2) The utility model discloses a make the heat preservation number of piles and the heat preservation thickness reduction to traditional gasifier, reduce equipment weight and volume, reduce the equipment investment, improve whole efficiency, saved a large amount of economic cost, through setting up the connecting bend, be connected tedge and downtake for inside water after the heating can get into the header tank again through the microcirculation, thereby can follow-up utilize hot water.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of the water collecting tank of the present invention;
fig. 3 is an enlarged schematic view of the present invention a.
In the figure: 1 lining casting material, 2 lower header, 3 membrane type walls, 4 upper header, 5 down pipes, 6 ascending pipes, 7 water collecting tanks, 8 gasification furnace body, 9 support, 10 connecting bent pipes, 11 lower ring pipes, 12 upper ring pipes and 13 gasification furnace inner cavity.
Detailed Description
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-3, the utility model provides a technical solution: a novel membrane wall circulating fluidized bed gasification furnace comprises a lining casting material 1, a lower collecting box 2, a membrane wall 3, an upper collecting box 4, a downcomer 5, an ascending pipe 6, a water collecting box 7, a gasification furnace body 8, a support 9, a connecting elbow 10, a lower ring pipe 11, an upper ring pipe 12 and a gasification furnace inner cavity 13, wherein the lining casting material 1 is annularly arranged inside the gasification furnace body 8, the gasification furnace body 8 is in a cylindrical arrangement, the gasification furnace inner cavity 13 is in a cylindrical arrangement, and the gasification furnace inner cavity 13 is positioned inside the lining casting material 1. the utility model reduces the temperature of the outer wall surface of the gasification furnace body 1, recycles the heat emitted in the air, directly leads hot water into a subsequent steam boiler, greatly improves the yield of steam, avoids the waste of heat energy resources and the possible heat pollution, improves the utilization rate of coal and the total heat efficiency of the gasification furnace, and reduces the operation cost, the environment pollution is reduced, the lining casting material 1 is granular and powdery materials consisting of refractory aggregate, powder, a bonding agent, an additive, water or other liquid materials, the lining casting material 4 is granular and powdery materials consisting of refractory aggregate, powder, a bonding agent, an additive, water or other liquid materials, the heat insulation of the gasifier body 1 is ensured, workers are prevented from being scalded, the water collecting tank 7 is arranged on one side of the top of the gasifier body 8, a water inlet pipe is arranged on the top of one side of the water collecting tank 7, a water outlet pipe is arranged on the bottom of one side of the water collecting tank 7, the water inlet pipe and the water outlet pipe are both positioned on the same side of the water collecting tank 7, switch valves are arranged on the connecting bent pipe 10, the connecting bent pipe 10 is arranged in an inverted Y shape, the support 9 is fixedly connected with the bottom of the water collecting tank 7, the connecting bent pipe 10 is arranged at, the descending pipe 5 is connected with the other side of the bottom of the connecting bent pipe 10, the upper ring pipe 12 is annularly connected with the top of the outer surface of the gasification furnace body 8, the upper header 4 is connected with the outer side of the upper ring pipe 12, the ascending pipe 6 is communicated with the upper header 4, the bottom of the descending pipe 5 is communicated with the lower header 2, the lower ring pipe 11 is annularly connected with the bottom of the outer surface of the gasification furnace body 8, the number of heat preservation layers and the heat preservation thickness of the traditional gasification furnace are reduced, the weight and the volume of equipment are reduced, the equipment investment is reduced, the overall energy efficiency is improved, a large amount of economic cost is saved, the ascending pipe 10 is connected with the descending pipe 11 by arranging the connecting bent pipe 7, the heated water can reenter the inside of the header 5 through microcirculation, thereby the subsequent hot water utilization can be realized, the lower header 2 is annularly connected with the outer, the upper ring pipe 12 and the lower ring pipe 11 are both arranged in a circular ring shape, the membrane type wall 3 is arranged inside the lining casting material 1 in a circular shape, the top of the membrane type wall 3 is communicated with the upper header 4, and the bottom of the membrane type wall 3 is communicated with the lower header 2.
When the steam boiler is used, cold water in the water collecting tank 7 enters the lower collecting tank 2 along the descending pipe 5, the lower collecting tank 2 is connected with the upper collecting tank 4 through the membrane wall 3, the membrane wall 3 and heat emitted after heat preservation of the inner cavity 8 of the gasification furnace perform heat exchange to increase the water temperature, the water after temperature rise enters the water collecting tank 7 again along the ascending pipe 6 through micro circulation, so that the water temperature in the water collecting tank 7 is heated, and the water after temperature rise flows out of the water collecting tank 7 along the water outlet pipe and then enters the steam boiler in the subsequent process flow.
To sum up, the utility model discloses a reduce the temperature of 8 outer wall surfaces of gasifier body, will give off aerial heat and recycle, hot water directly lets in follow-up steam boiler, the output of steam has been improved greatly, the waste of heat energy resource and the thermal pollution that probably brings have been avoided, the utilization ratio of coal and the total thermal efficiency of gasifier have been improved, the running cost is reduced, the pollution to the environment has been reduced, through making heat preservation number of piles and the heat preservation thickness reduction to traditional gasifier, reduce equipment weight and volume, reduce the equipment investment, improve whole efficiency, a large amount of economic cost has been saved, through setting up connecting bend 10, be connected ascending pipe 6 and downtake 5, make the water after the heating can get into header tank 7 inside again through the microcirculation, thereby can follow-up utilize hot water.
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 (6)
1. The utility model provides a novel diaphragm type wall circulating fluidized bed gasifier, includes inside lining castables (1), lower header (2), diaphragm type wall (3), goes up header (4), downcomer (5), riser (6), header tank (7), gasifier body (8), support (9), connecting elbow (10), lower ring pipe (11), last ring pipe (12), gasifier inner chamber (13), its characterized in that: the lining castable (1) is annularly arranged inside the gasifier body (8), the gasifier inner cavity (13) is positioned inside the lining castable (1), the water collecting tank (7) is arranged on one side of the top of the gasifier body (8), the support (9) is fixedly connected with the bottom of the water collecting tank (7), the connecting bent pipe (10) is arranged at the center shaft of the bottom of the water collecting tank (7), the ascending pipe (6) is connected with one side of the bottom of the connecting bent pipe (10), the descending pipe (5) is connected with the other side of the bottom of the connecting bent pipe (10), the upper ring pipe (12) is annularly connected with the top of the outer surface of the gasifier body (8), the upper collecting tank (4) is connected with the outer side of the upper ring pipe (12), the ascending pipe (6) is communicated with the upper collecting tank (4), and the lower ring pipe (11) is annularly connected with the bottom of the outer surface, the lower header (2) is annularly connected to the outer side of the lower ring pipe (11), the membrane type wall (3) is annularly arranged inside the lining casting material (1), the top of the membrane type wall (3) is communicated with the upper header (4), and the bottom of the membrane type wall (3) is communicated with the lower header (2).
2. The novel membrane-wall circulating fluidized-bed gasification furnace according to claim 1, wherein: the gasification furnace body (8) is arranged in a cylindrical mode, and the inner cavity (13) of the gasification furnace is arranged in a cylindrical mode.
3. The novel membrane-wall circulating fluidized-bed gasification furnace according to claim 1, wherein: the water collecting tank is characterized in that a water inlet pipe is arranged at the top of one side of the water collecting tank (7), a water outlet pipe is arranged at the bottom of one side of the water collecting tank (7), the water inlet pipe and the water outlet pipe are located on the same side of the water collecting tank (7), and switch valves are arranged on the connecting bent pipe (10), the water inlet pipe and the water outlet pipe.
4. The novel membrane-wall circulating fluidized-bed gasification furnace according to claim 1, wherein: the connecting bent pipe (10) is arranged in an inverted Y shape.
5. The novel membrane-wall circulating fluidized-bed gasification furnace according to claim 1, wherein: the upper ring pipe (12) and the lower ring pipe (11) are symmetrically arranged in the middle of the gasification furnace body (8), and the upper ring pipe (12) and the lower ring pipe (11) are both arranged in a circular ring shape.
6. The novel membrane-wall circulating fluidized-bed gasification furnace according to claim 1, wherein: the bottom of the ascending pipe (6) is communicated with the upper header (4), and the bottom of the descending pipe (5) is communicated with the lower header (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402148.9U CN212051265U (en) | 2020-03-25 | 2020-03-25 | Novel membrane wall circulating fluidized bed gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402148.9U CN212051265U (en) | 2020-03-25 | 2020-03-25 | Novel membrane wall circulating fluidized bed gasification furnace |
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| Publication Number | Publication Date |
|---|---|
| CN212051265U true CN212051265U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020402148.9U Active CN212051265U (en) | 2020-03-25 | 2020-03-25 | Novel membrane wall circulating fluidized bed gasification furnace |
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| Country | Link |
|---|---|
| CN (1) | CN212051265U (en) |
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2020
- 2020-03-25 CN CN202020402148.9U patent/CN212051265U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new membrane wall circulating fluidized bed gasifier Effective date of registration: 20221111 Granted publication date: 20201201 Pledgee: Postal Savings Bank of China Limited Jinan Branch Pledgor: JINAN HUANGTAI COAL GAS STOVE CO.,LTD. Registration number: Y2022980021594 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201201 Pledgee: Postal Savings Bank of China Limited Jinan Branch Pledgor: JINAN HUANGTAI COAL GAS STOVE CO.,LTD. Registration number: Y2022980021594 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |