CN219546924U - Coal utilization device with good cooling effect - Google Patents
Coal utilization device with good cooling effect Download PDFInfo
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- CN219546924U CN219546924U CN202321051539.0U CN202321051539U CN219546924U CN 219546924 U CN219546924 U CN 219546924U CN 202321051539 U CN202321051539 U CN 202321051539U CN 219546924 U CN219546924 U CN 219546924U
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Abstract
The utility model discloses a coal utilization device with good cooling effect, which comprises a furnace body, wherein a coal inlet and a coal gas extraction pipe are arranged at the upper end of the furnace body, a coal discharging opening is arranged at the lower end of the furnace body, a rapid preheating drying section, an anaerobic carbonization section and a coal cooling section are sequentially arranged from the upper part to the lower part of the furnace body, a vertical wall type water cooling device is arranged at the coal cooling section, and the coal is contacted with the side wall of the wall type water cooling device for heat exchange and cooling; the utility model can continuously dry distillation and discharge coal, and has good coal cooling effect.
Description
Technical Field
The utility model relates to a coal utilization device with a good cooling effect, and belongs to the field of coal cleaning technology and devices.
Background
Clean carbon produced by a common carbonization furnace is adopted for cleaning small industrial kilns and civil scattered coal, but the efficiency in the production process of the existing carbonization furnace is low, and the environmental protection problem is still serious. The production mode of the carbonization furnace has the defects, and the concrete steps are as follows: firstly, the intermittent production is low in production efficiency; secondly, the cooling mode of the existing carbonization furnace is to cool carbonized coal through a cooling coil pipe horizontally arranged, the coal cooling effect is poor, and in the coal taking-out process, great potential safety hazards exist.
Therefore, a novel clean carbonization furnace for coal is needed, and the carbonization furnace can continuously feed coal for carbonization and discharge of coal and has good coal cooling effect.
Disclosure of Invention
In view of the above, the utility model aims to provide a coal utilization device with good cooling effect, which can continuously feed coal for carbonization and discharge of coal and has good coal cooling effect; can overcome the defects of the prior art.
The utility model aims at realizing the following technical scheme:
the utility model discloses a coal utilization device with good cooling effect, which has the structure that: the device comprises a furnace body, wherein a coal inlet and a coal gas extraction pipe are arranged at the upper end of the furnace body, a coal discharging opening is arranged at the lower end of the furnace body, a rapid preheating drying section, an anaerobic carbonization section and a coal cooling section are sequentially arranged from the upper part to the lower part of the furnace body, a vertical wall type water cooling device is arranged at the coal cooling section, and coal is in contact heat exchange with the side wall of the wall type water cooling device for cooling.
The wall type water cooling device comprises a vertical shell with a sealed upper end, wherein the vertical shell is arranged in a furnace body in parallel, a vertical partition plate is arranged in the middle of the bottom surface of the vertical shell, a water inlet and a water outlet are respectively arranged on the bottom surfaces of two sides of the vertical partition plate, an overflow channel is arranged between the vertical partition plate and the top surface of the vertical shell, and a cold water inlet pipe and a hot water drain pipe which are respectively connected with the water inlet and the water outlet are arranged on the furnace body.
The rapid preheating and drying section is a furnace body cavity at the upper side of the anaerobic carbonization section; the rapid preheating and drying section is provided with a rotary gas extraction pipe, and the coal or molded coal slides from the rotary gas extraction pipe to the anaerobic carbonization section.
The multi-layer high-temperature flue gas pipe for heating the coal gas is arranged at the anaerobic carbonization section, the multi-layer high-temperature flue gas pipe consists of a plurality of horizontal pipes, the horizontal pipes of the upper layer and the lower layer form an included angle of 30-60 degrees in the horizontal direction, and the flue gas inlet pipe and the flue gas exhaust pipe of the multi-layer high-temperature flue gas pipe are respectively arranged on the furnace body.
The gas extraction pipe is provided with the branch pipe, the branch pipe is connected with the internal combustion chamber of the wall type burner, and the flue gas exhaust pipe of the wall type burner is connected with the flue gas inlet pipe of the multi-layer high-temperature flue gas pipe.
The coal coking block crushing device is arranged on the coal cooling section.
The furnace body rapid preheating drying section and the anaerobic carbonization section are provided with the outer furnace sleeve, a closed cavity is arranged between the outer furnace sleeve and the outer wall of the furnace body, and the cavity is provided with the inlet and the exhaust pipe of high-temperature flue gas.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the upper end of the furnace body is used for feeding, and the rapid heating of the feeding is realized through the rapid preheating drying section. Then the dry distillation is carried out by the anaerobic dry distillation section, the coal gas generated in the dry distillation process is collected and conveyed through the coal gas extraction pipe, the dry distilled coal downwards enters the coal cooling section, the contact heat exchange is carried out on the coal through the side wall of the wall type water cooling device, and the dry distilled carbon after the contact cooling is discharged from the furnace body, so that the material can be continuously fed from the upper end of the furnace body and discharged from the furnace body, the continuous production is realized, and the purpose of improving the productivity is achieved.
2. Cold water can be introduced into the water inlet of the wall type water cooling device, and is discharged from the water outlet downwards through the vertical partition plate upwards through the overflow channel, so that the time of the cold water in the vertical shell is prolonged, the heat exchange effect is improved, and when coal passes through a gap between the vertical shells of the wall type water cooling device, the coal contacts with the outer wall of the vertical shell for heat exchange; compared with the cooling pipes in the prior art which are horizontally arranged, small in contact area with coal and poor in heat exchange, the utility model has larger contact heat exchange area and better heat exchange effect.
3. The horizontal pipes on the upper layer and the lower layer are at a certain angle, so that when coal is fed, coal blocks firstly fall into the horizontal pipes on the upper layer, and continuously fall down to touch the horizontal pipes on the lower layer, on one hand, the falling time is delayed, the impact strength of blanking is reduced, meanwhile, the flue gas of the horizontal pipes is utilized for heat exchange, and the heat is recycled for rapid preheating and drying of molded coal, on the other hand, physical separation is formed, the probability of coal gas overflow in a furnace is reduced, and the carbonization effect is improved more favorably.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a connection structure according to the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is a top view of the present utility model.
Fig. 4 is a cross-sectional view of A-A in fig. 3.
FIG. 5 is a schematic view of the structure of the present utility model in connection with combustion.
Fig. 6 is a schematic view of the connection structure of the wall-type water cooling device of the present utility model.
Fig. 7 is a perspective view of the wall-type water cooler of the present utility model.
Fig. 8 is a schematic structural diagram of embodiment 2 of the present utility model.
Wherein, the furnace body 1; a coal inlet 2; a gas extraction pipe 3; a wall-type water cooling device 4; a vertical housing 4-1; a vertical partition 4-2; overflow channel 4-3; 4-4 parts of cold water inlet pipe; 4-5 parts of a hot water discharge pipe; a multi-layer high temperature flue gas pipe 6; a horizontal pipe 7; a flue gas inlet pipe 8; a flue gas duct 9; a wall burner 10; a rotary gas extraction pipe 11; an outer furnace jacket 12; a coal coking block crushing device 13.
Detailed Description
Hereinafter, preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.
Example 1:
as shown in fig. 1 to 7, the utility model discloses a coal utilization device with good cooling effect, which has the structure that: the device comprises a furnace body 1, wherein a coal inlet 2 and a coal gas extraction pipe 3 are arranged at the upper end of the furnace body 1, a coal feed opening is arranged at the lower end of the furnace body 1, a rapid preheating drying section, an anaerobic carbonization section and a coal cooling section are sequentially arranged from the upper part to the lower part of the furnace body 1, a vertical wall type water cooling device 4 is arranged at the coal cooling section, and coal is subjected to heat exchange and cooling with the side wall of the wall type water cooling device 4.
The rapid preheating drying section is a cavity of the furnace body 1 at the upper side of the anaerobic carbonization section, a rotary gas extraction pipe 11 is arranged in the rapid preheating drying section, and the coal mine slides from the rotary gas extraction pipe 11 to the anaerobic carbonization section; by adopting the structure, on one hand, smaller impact in the movement process of the molded coal can be realized, the shape is kept, and meanwhile, the steam in the heating process is taken away by utilizing the hot air in the pipe of the rotary gas extraction pipe 11, so that the preheating effect is realized; the wall type water cooling device 4 is positioned in the coal cooling section, the wall type water cooling device 4 is vertically arranged, and when coal contacts with the side wall of the wall type water cooling device 4, the temperature of the coal is reduced through wall heat exchange; the coal is fed through the upper end of the furnace body 1, then is subjected to carbonization by an anaerobic carbonization section, the generated coal gas is conveyed by a coal gas extraction pipe 3, the coal enters a coal cooling section downwards, the heat exchange is carried out on the coal through the side wall of a wall type water cooling device 4, and finally, the continuous production is realized by continuously discharging the coal from a feed opening of the furnace body 1, so that the purpose of improving the productivity is achieved; meanwhile, in the carbonization process, after the molded coal enters the furnace body 1, the molded coal enters a wall type high-temperature space for anaerobic carbonization after being dried after being quickly subjected to heat exchange by a high-temperature flue gas pipe; specifically, the anaerobic dry distillation section at the upper part of the furnace body 1 adopts a high-temperature flue gas indirect heating mode, and the high-temperature flue gas adopts a mode of integrating a wall type heat exchanger and a tubular heat exchanger; the coal and the high-temperature flue gas wall type heat exchange and the side wall contact heat exchange of the tubular heat exchange device realize heating carbonization.
Further, the wall-type water cooling device 4 has the structure: the furnace comprises a vertical shell 4-1 with a sealed upper end, wherein the vertical shell 4-1 is arranged in a furnace body 1 in parallel, a vertical partition board 4-2 is arranged in the middle of the bottom surface of the vertical shell 4-1, a water inlet and a water outlet are respectively arranged on the bottom surfaces of two sides of the vertical partition board 4-2, an overflow channel 4-3 is arranged between the vertical partition board 4-2 and the top surface of the vertical shell 4-1, and a cold water inlet pipe 4-4 and a hot water discharge pipe 4-5 which are respectively connected with the water inlet and the water outlet are arranged on the furnace body 1; the cold water can be introduced into the water inlet of the wall type water cooling device 4, and is discharged downwards from the water outlet through the overflow channel 4-3 upwards by the vertical partition plate 4-2, so that the time of the cold water in the vertical shell 4-1 is prolonged, the heat exchange effect is improved, and when coal passes through a gap between the vertical shells 4-1, the coal contacts with the outer wall of the vertical shell 4-1 for heat exchange; compared with the prior art that the cooling pipe is horizontally arranged, has small contact area with coal and poor heat exchange, the utility model has larger contact heat exchange area and better heat exchange effect; meanwhile, the water pump is arranged on the cold water inlet pipe 4-4 or the hot water discharge pipe 4-5, so that the forced circulation of water is realized, and the cooling effect can be effectively controlled.
The rapid preheating and drying section is a cavity of the furnace body 1 at the upper side of the anaerobic carbonization section; the rapid preheating and drying section is provided with a rotary gas extraction pipe 11, and the coal mine slides from the rotary gas extraction pipe 11 to the anaerobic carbonization section.
Further, a plurality of layers of high-temperature flue gas pipes 6 for heating coal gas are arranged in the anaerobic carbonization section, each layer of high-temperature flue gas pipe 6 consists of a plurality of horizontal pipes 7, the horizontal pipes 7 of the upper layer and the lower layer form an included angle of 30-60 degrees in the horizontal direction, the flue gas inlet pipe 8 and the flue gas discharge pipe 9 of each layer of high-temperature flue gas pipe 6 are respectively arranged on the furnace body 1, and the horizontal pipes 7 of the upper layer and the lower layer form a certain angle, so that when coal is fed, coal blocks firstly fall into the horizontal pipes 7 of the upper layer and continuously fall down to touch the horizontal pipes 7 of the lower layer, thereby being beneficial to delaying the falling time and improving the carbonization effect; finally, all the flue gas pipes 9 are collected uniformly and are treated intensively.
The gas extraction pipe (3) is provided with a branch pipe, the branch pipe is connected with an internal combustion chamber of the wall type combustor 10, ammonia and sulfur dioxide are removed through a gas separation device 13 in a water bath washing mode, the ammonia sulfate generated by the water bath washing is separated and collected by a washing water separation device 14, the obtained purified gas is free of harmful gas containing nitrogen and sulfur, the gas burnt by the wall type combustor 10 cannot exist, a flue gas exhaust pipe 9 of the wall type combustor 10 is connected with a flue gas inlet pipe 8 of a multi-layer high-temperature flue gas pipe 6, when oxygen-free carbonization is carried out, carbonization is carried out through high-temperature flue gas, combustion is carried out through leading out part of the gas into the wall type combustor 10, then anaerobic carbonization is carried out through the high-temperature flue gas, and the high-temperature flue gas after heat exchange can be treated through a tail gas treatment device.
The coal coking block crushing device 13 is arranged on the coal cooling section, the coal coking block crushing device is arranged above a feed inlet of the wall type water cooling device 4, the coal coking block crushing device 15 comprises more than two rotating shafts or wolfsbanes, the number of the rotating shafts or the wolfsbanes is installed according to the requirement, the two ends of the rotating shafts or the wolfsbanes are installed on the inner wall of the furnace body 1 through mounting bracket bearings, one end of each rotating shaft or one end of each wolfsbane is connected with a rotating shaft of a driving motor outside the furnace body 1, the rotating shafts or the wolfsbanes are provided with mutually staggered crushing hammers or bulges, and when the coal coking blocks enter between the rotating shafts or the wolfsbanes, the coal coking blocks are crushed through the crushing hammers or the bulges on the rotating shafts or the wolfsbanes; thus, the molded coal or lump coal after anaerobic carbonization can be coked into large blocks or clusters, and the coal coking block crushing device 13 can crush the molded coal or lump coal, which is beneficial to avoiding the blockage of the wall type water cooling device 4.
Example 2
As shown in fig. 8, on the basis of embodiment 1, an outer furnace jacket 12 is arranged outside the rapid preheating and drying section and the anaerobic carbonization section of the furnace body 1, a closed cavity is arranged between the outer furnace jacket 12 and the outer wall of the furnace body 1, an inlet and a calandria for high-temperature flue gas are arranged on the cavity, and finally the flue gas discharged from the calandria is subjected to unified collection treatment, so that the stability of the temperature in the furnace body 1 can be maintained by arranging the outer furnace jacket 12.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variations and modification made to the above embodiment according to the technical matter of the present utility model without departing from the technical scope of the present utility model still fall within the scope of the technical scheme of the present utility model.
Claims (7)
1. The utility model provides a coal utilization device with good cooling effect, it includes furnace body (1), is equipped with coal inlet (2) and coal gas extraction pipe (3) in the upper end of furnace body (1), is equipped with coal feed opening, its characterized in that in the lower extreme of furnace body (1): the device comprises a furnace body (1), wherein a rapid preheating drying section, an anaerobic carbonization section and a coal cooling section are sequentially arranged from the upper part to the lower part of the furnace body, a vertical wall type water cooling device (4) is arranged in the coal cooling section, and coal is in contact heat exchange with the side wall of the wall type water cooling device (4) to cool.
2. The coal utilization device with good cooling effect according to claim 1, characterized in that: the wall type water cooling device is characterized in that the wall type water cooling device (4) comprises a vertical shell (4-1) with a sealed upper end, the vertical shell (4-1) is arranged in the furnace body (1) in parallel, a vertical partition plate (4-2) is arranged in the middle of the bottom surface of the vertical shell (4-1), a water inlet and a water outlet are respectively arranged on the bottom surfaces of two sides of the vertical partition plate (4-2), an overflow channel (4-3) is arranged between the vertical partition plate (4-2) and the top surface of the vertical shell (4-1), and a cold water inlet pipe (4-4) and a hot water drain pipe (4-5) which are respectively connected with the water inlet and the water outlet are arranged on the furnace body (1).
3. The coal utilization device with good cooling effect according to claim 1, characterized in that: the rapid preheating and drying section is a cavity of a furnace body (1) at the upper side of the anaerobic carbonization section; the rapid preheating and drying section is provided with a rotary gas extraction pipe (11), and the coal or molded coal slides from the rotary gas extraction pipe (11) to the anaerobic carbonization section.
4. The coal utilization device with good cooling effect according to claim 1, characterized in that: the anaerobic carbonization section is provided with a plurality of layers of high-temperature flue gas pipes (6) for heating coal gas, the plurality of layers of high-temperature flue gas pipes (6) are composed of a plurality of horizontal pipes (7), the horizontal pipes (7) on the upper layer and the lower layer form an included angle of 30-60 degrees in the horizontal direction, and the furnace body (1) is respectively provided with a flue gas inlet pipe (8) and a flue gas exhaust pipe (9) of the plurality of layers of high-temperature flue gas pipes (6).
5. The coal utilization device with good cooling effect according to claim 4, characterized in that: the gas extraction pipe (3) is provided with a branch pipe which is connected with an internal combustion chamber of the wall type burner (10), and a flue gas exhaust pipe (9) of the wall type burner (10) is connected with a flue gas inlet pipe (8) of the multi-layer high-temperature flue gas pipe (6).
6. The coal utilization device with good cooling effect according to claim 1, characterized in that: the coal coking block crushing device (13) is arranged on the coal cooling section.
7. The coal utilization device with good cooling effect according to any one of claims 1 to 6, characterized in that: an outer furnace sleeve (12) is arranged at the outer sides of the rapid preheating drying section and the anaerobic carbonization section of the furnace body (1), a closed cavity is arranged between the outer furnace sleeve (12) and the outer wall of the furnace body (1), and an inlet and a discharge pipe for high-temperature flue gas are arranged on the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051539.0U CN219546924U (en) | 2023-05-05 | 2023-05-05 | Coal utilization device with good cooling effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051539.0U CN219546924U (en) | 2023-05-05 | 2023-05-05 | Coal utilization device with good cooling effect |
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| Publication Number | Publication Date |
|---|---|
| CN219546924U true CN219546924U (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321051539.0U Active CN219546924U (en) | 2023-05-05 | 2023-05-05 | Coal utilization device with good cooling effect |
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| CN (1) | CN219546924U (en) |
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2023
- 2023-05-05 CN CN202321051539.0U patent/CN219546924U/en active Active
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