CN216079776U - Two-stage pneumatic conveying system far away from boiler room in preparation workshop - Google Patents
Two-stage pneumatic conveying system far away from boiler room in preparation workshop Download PDFInfo
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- CN216079776U CN216079776U CN202122405715.3U CN202122405715U CN216079776U CN 216079776 U CN216079776 U CN 216079776U CN 202122405715 U CN202122405715 U CN 202122405715U CN 216079776 U CN216079776 U CN 216079776U
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Abstract
The utility model discloses a secondary pneumatic conveying system of a preparation workshop far away from a boiler room, which comprises a limestone shed, wherein the limestone shed is used for stacking limestone raw materials; a preparation workshop, wherein the preparation workshop is used for preparing limestone raw materials into limestone powder; the boiler room is internally provided with a stokehole bin and a hearth; the first conveying bin pump is used for conveying limestone powder prepared in the preparation workshop into the stokehole bin; the second conveying bin pump is used for conveying the limestone powder in the stokehole bin to the hearth; according to the utility model, the limestone powder is remotely conveyed by the first conveying bin pump and the second conveying bin pump, and is conveyed by the conveying pipeline in the whole process, so that the environmental pollution is reduced, the structure is simple, and the manufacturing cost is low.
Description
Technical Field
The utility model relates to the technical field of limestone conveying and storage, in particular to a secondary pneumatic conveying system of a preparation workshop far away from a boiler room.
Background
The internal circulating fluidized bed boiler (CFB) unit mostly adopts a mode of purchasing limestone raw materials (blocks) outside a plant and preparing limestone powder in the plant; in designing the transport system, limestone sheds are typically placed in areas remote from the boiler house, taking into account environmental and floor space considerations; the conveying distance of the primary pneumatic conveying mode is generally not more than 350m, and when the preparation workshop is far away from the boiler room, the primary pneumatic conveying system is not suitable for being adopted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: aiming at the problems that the conveying distance of the existing primary pneumatic conveying mode is generally not more than 350m, and when a preparation workshop is far away from a boiler room, a primary pneumatic conveying system is not suitable for use, a secondary pneumatic conveying system of the preparation workshop far away from the boiler room is provided, and the problem that the primary pneumatic conveying system is not suitable for long-distance conveying is solved.
The technical scheme of the utility model is as follows:
a two-stage pneumatic conveying system for a preparation workshop remote from a boiler house, comprising:
the limestone carport is used for stacking limestone raw materials; stacking the transported limestone raw materials in a limestone shed, and performing centralized treatment; in order to reduce environmental pollution and reduce the occupied area, the limestone shed is arranged at a position far away from a boiler room.
The preparation workshop is provided with a conveying device between the preparation workshop and the limestone shed and is used for preparing limestone raw materials into limestone powder; the limestone shed conveys the limestone raw materials to a preparation workshop through a conveying device, and the limestone raw materials are made into limestone powder in the preparation workshop.
The boiler room is internally provided with a stokehole bin and a hearth; the stokehole bin is arranged in a boiler room and plays a role in transferring and storing, and the hearth is used for fuel combustion.
The first conveying bin pump is communicated with the stokehole bin through a conveying pipeline, and the limestone powder is conveyed into the stokehole bin from the preparation workshop through the first conveying bin pump; limestone powder is conveyed into a stokehold bin in a boiler room by a first conveying bin pump for transfer and storage.
The second conveying bin pump is used for conveying the limestone powder in the stokehole bin to the hearth; the first conveying bin pump and the second conveying bin pump are both provided with positive pressure pneumatic power by an air compressor; the second conveying bin pump is also communicated with the hearth through a conveying pipeline; preferably, the second conveying bin pump is arranged below the stokehole bin, the stokehole bin can be opened and closed, and after the stokehole bin is opened, the limestone powder directly falls into the second conveying bin pump under the action of gravity for subsequent transportation.
Further, the limestone shed is arranged on one side of the preparation workshop, namely the limestone shed is tightly attached to the preparation workshop, so that the occupied area can be effectively reduced, the length of the conveying device is shortened, and the cost is reduced.
Furthermore, a limestone finished product powder bin is arranged in the preparation workshop, and the first conveying bin pump is arranged below the limestone finished product powder bin.
Further, the specific structure of the limestone shed comprises a dry limestone shed, an underground hopper is arranged below the dry limestone shed, a vibrating feeder is arranged below the underground hopper, the conveying device is an embedded scraper conveyor or a belt conveyor, the conveying device is arranged below the vibrating feeder, and the tail end of the conveying device extends into the preparation workshop; and an iron remover is arranged above the conveying device.
Further, the specific structure of the preparation workshop comprises: the automatic sorting device is characterized by comprising a first bucket elevator arranged at the tail end of the conveying device, a limestone buffer bin is arranged above the first bucket elevator, a feeding machine is arranged below the limestone buffer bin, a column grinding machine is arranged below the feeding machine, a second bucket elevator is arranged below the column grinding machine, and a sorting system is arranged above the second bucket elevator.
Furthermore, the sorting system is provided with a first discharge port and a second discharge port, a conveyor belt is arranged below the first discharge port, the tail end of the conveyor belt is arranged above the limestone buffer bin, a limestone finished product powder bin is arranged below the second discharge port, and a first conveying bin pump is arranged below the limestone finished product powder bin; and a dust remover is also arranged in the preparation workshop and is used for removing dust in the preparation workshop.
Compared with the prior art, the utility model has the beneficial effects that:
1. a secondary pneumatic conveying system of a preparation workshop far away from a boiler room comprises a limestone shed, wherein the limestone shed is used for stacking limestone raw materials; the preparation workshop is provided with a conveying device between the preparation workshop and the limestone shed and is used for preparing limestone raw materials into limestone powder; the boiler room is internally provided with a stokehole bin and a hearth; the first conveying bin pump is used for conveying limestone powder prepared in the preparation workshop into the stokehole bin; the second conveying bin pump is used for conveying the limestone powder in the stokehole bin to the hearth; the limestone powder is remotely conveyed through the first conveying bin pump and the second conveying bin pump, and is conveyed through the conveying pipeline in the whole process, so that the environmental pollution is reduced.
Drawings
FIG. 1 is a schematic diagram of a two-stage pneumatic conveying system for a preparation workshop remote from a boiler room;
FIG. 2 is a top view of a limestone shed and preparation plant in a secondary pneumatic conveying system of the preparation plant remote from the boiler house;
FIG. 3 is a schematic structural diagram of a limestone shed and a preparation workshop in a secondary pneumatic conveying system of the preparation workshop far away from a boiler room.
Reference numerals: 1-limestone shed, 2-preparation workshop, 3-conveying device, 4-first conveying bin pump, 5-boiler room, 21-limestone finished product powder bin, 11-dry stone shed, 12-underground hopper, 13-vibrating feeder, 14-iron remover, 23-first bucket elevator, 24-limestone buffer bin, 25-feeder, 26-column mill, 27-second bucket elevator, 28-sorting system, 29-conveyor belt, 6-dust remover, 51-hearth, 7-second conveying bin pump and 52-stokehole bin.
Detailed Description
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example one
Referring to fig. 1-3, a two-stage pneumatic conveying system for a preparation workshop far from a boiler room comprises:
the limestone shed 1 is used for stacking limestone raw materials; piling the transported limestone raw materials in a limestone shed 1, and performing centralized treatment; in order to reduce environmental pollution and floor space, the limestone shed 1 is arranged at a position far away from the boiler room 5.
The production system comprises a preparation workshop 2, wherein a conveying device 3 is arranged between the preparation workshop 2 and a limestone shed 1, and the preparation workshop 2 is used for preparing limestone raw materials into limestone powder; the limestone shed 1 conveys the limestone raw material to the preparation workshop 2 through the conveying device 3, and the limestone raw material is prepared into limestone powder in the preparation workshop 2.
The boiler room 5 is internally provided with a stokehole bin 52 and a hearth 51; the stokehole 52 is arranged in the boiler room 5 and plays a role of transferring and storing, and the hearth 51 is used for sintering.
The first conveying bin pump 4 is communicated with the stokehole bin 52 through a conveying pipeline, and the limestone powder is conveyed into the stokehole bin 52 from the preparation workshop 2 through the first conveying bin pump 4; limestone powder is conveyed into a stokehold 52 in a boiler room 5 by a first conveying bin pump 4 for transfer and storage.
The second conveying bin pump 7 is used for conveying the limestone powder in the stokehole bin 52 to the hearth 51 by the second conveying bin pump 7; the first conveying bin pump 4 and the second conveying bin pump 7 both provide positive pressure pneumatic power by an air compressor; the second conveying bin pump 7 is also communicated with the hearth 51 through a conveying pipeline; preferably, the second conveying bin pump 7 is arranged below the stokehole bin 52, the stokehole bin 52 can be opened and closed, and after the stokehole bin 52 is opened, the limestone powder directly falls into the second conveying bin pump 7 under the action of gravity for subsequent transportation.
Limestone shed 1 sets up in one side of preparation workshop 2, and limestone shed 1 hugs closely preparation workshop 2 and sets up promptly, can effectively reduce area on the one hand, and on the other hand shortens conveyor 3's length, reduces the cost.
A limestone finished product powder bin 21 is arranged in the preparation workshop 2, and the first conveying bin pump 4 is arranged below the limestone finished product powder bin 21.
When the limestone powder transfer device is used, the prepared limestone powder is stored in the limestone finished product powder bin 21, and when the limestone powder transfer device works, the limestone finished product powder bin 21 is opened, the limestone powder is conveyed into the first conveying bin pump 4, the limestone powder is conveyed to the stokehole bin 52 by the first conveying bin pump 4 under the action of positive pressure gas provided by the air compressor, and is transferred and stored by the stokehole bin 52; then the mixture is conveyed into the hearth 51 for sintering under the action of positive pressure gas provided by the air compressor through a second conveying bin pump 7; because the first conveying bin pump 4 and the second conveying bin pump 7 are adopted, the conveying distance is further increased, and the device is suitable for long-distance transportation of limestone powder.
Example two
The second embodiment further describes the first embodiment, the same components are not repeated herein, please refer to fig. 1-3, the specific structure of the limestone shed 1 includes a dry gravel shed 11, an underground hopper 12 is arranged below the dry gravel shed 11, a vibrating feeder 13 is arranged below the underground hopper 12, the conveying device 3 is a buried scraper conveyor or a belt conveyor, the conveying device 3 is arranged below the vibrating feeder 13, and the tail end of the conveying device 3 extends into the preparation workshop 2; an iron remover 14 is arranged above the conveying device 3.
EXAMPLE III
Embodiment three is a further description of embodiment one, the same components are not repeated herein, please refer to fig. 1-3, and the specific structure of the preparation plant 2 includes: the device comprises a first bucket elevator 23 arranged at the tail end of a conveying device 3, a limestone buffer bin 24 is arranged above the first bucket elevator 23, a feeding machine 25 is arranged below the limestone buffer bin 24, a column grinding machine 26 is arranged below the feeding machine 25, a second bucket elevator 27 is arranged below the column grinding machine 26, and a sorting system 28 is arranged above the second bucket elevator 27.
The sorting system 28 is provided with a first discharge port and a second discharge port, a conveyor belt 29 is arranged below the first discharge port, the tail end of the conveyor belt 29 is arranged above the limestone buffer bin 24, a limestone finished product powder bin 21 is arranged below the second discharge port, and a first conveying bin pump 4 is arranged below the limestone finished product powder bin 21; and a dust remover 6 is also arranged in the preparation workshop 2 and is used for removing dust in the preparation workshop 2.
The working process of the preparation plant 2 is as follows: conveying device 3 conveys the limestone raw materials to first bucket elevator 23, carry to limestone surge bin 24 by first bucket elevator 23, limestone surge bin 24 is opened, the limestone raw materials drops on batcher 25, carry the limestone raw materials to in column mill 26 by batcher 25, polish by column mill 26, after polishing, drop on second bucket elevator 27, carry to sorting system 28 by second bucket elevator 27 and sieve, reach the limestone powder that requires and drop to in limestone finished product powder storehouse 21 from the second discharge gate, the limestone powder that does not reach the requirement drops to conveyer belt 29 from first discharge gate, carry to limestone surge bin 24 by conveyer belt 29, grind again.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (10)
1. A two-stage pneumatic conveying system for a preparation workshop far away from a boiler room is characterized by comprising:
the limestone shed (1), the limestone shed (1) is used for stacking limestone raw materials;
the limestone production system comprises a preparation workshop (2), wherein a conveying device (3) is arranged between the preparation workshop (2) and a limestone shed (1), and the preparation workshop (2) is used for preparing limestone raw materials into limestone powder;
the boiler room (5), wherein a stokehole bin (52) and a hearth (51) are arranged in the boiler room (5);
the first conveying bin pump (4), the first conveying bin pump (4) conveys the limestone powder prepared in the preparation workshop (2) into the stokehole bin (52);
and the second conveying bin pump (7) is used for conveying the limestone powder in the stokehole bin (52) to the hearth (51) by the second conveying bin pump (7).
2. A secondary pneumatic conveying system of a preparation workshop far from a boiler house according to claim 1, characterized in that the limestone shed (1) is arranged at one side of the preparation workshop (2).
3. A two-stage pneumatic conveying system of a preparation workshop far away from a boiler room, which is characterized in that the first conveying bin pump (4) is communicated with a stokehole bin (52) through a conveying pipeline, and the second conveying bin pump (7) is communicated with a hearth (51) through a conveying pipeline.
4. A two-stage pneumatic conveying system of a preparation workshop far from a boiler room as claimed in claim 1, characterized in that the first conveying bin pump (4) and the second conveying bin pump (7) are both supplied with positive pressure air by an air compressor.
5. A two-stage pneumatic conveying system of a preparation workshop far from a boiler room as claimed in claim 1, characterized in that a finished limestone powder bin (21) is arranged in the preparation workshop (2), and the first conveying bin pump (4) is arranged below the finished limestone powder bin (21).
6. A secondary pneumatic conveying system of a preparation workshop far away from a boiler room, which is characterized in that the specific structure of the limestone carport (1) comprises a dry carport (11), an underground hopper (12) is arranged below the dry carport (11), a vibrating feeder (13) is arranged below the underground hopper (12), the conveying device (3) is a buried scraper conveyor or a belt conveyor, the conveying device (3) is arranged below the vibrating feeder (13), and the tail end of the conveying device (3) extends into the preparation workshop (2).
7. A secondary pneumatic conveying system of preparation workshop far from boiler room according to claim 6 is characterized in that iron remover (14) is arranged above the conveying device (3).
8. A secondary pneumatic conveying system of a preparation workshop far from a boiler room as claimed in claim 1, characterized in that the concrete structure of the preparation workshop (2) comprises: the device comprises a conveying device (3) and is characterized in that a first bucket elevator (23) is arranged at the tail end of the conveying device (3), a limestone buffer bin (24) is arranged above the first bucket elevator (23), a feeding machine (25) is arranged below the limestone buffer bin (24), a column grinding machine (26) is arranged below the feeding machine (25), a second bucket elevator (27) is arranged below the column grinding machine (26), and a sorting system (28) is arranged above the second bucket elevator (27).
9. A secondary pneumatic conveying system of a preparation workshop far away from a boiler room as claimed in claim 8, characterized in that the sorting system (28) has a first discharge port and a second discharge port, a conveyor belt (29) is arranged below the first discharge port, the end of the conveyor belt (29) is arranged above a limestone buffer bin (24), a limestone finished product powder bin (21) is arranged below the second discharge port, and a first conveying bin pump (4) is arranged below the limestone finished product powder bin (21).
10. A secondary pneumatic conveying system of a preparation workshop far from a boiler room as claimed in claim 1, characterized in that a dust remover (6) is also arranged in the preparation workshop (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122405715.3U CN216079776U (en) | 2021-09-30 | 2021-09-30 | Two-stage pneumatic conveying system far away from boiler room in preparation workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122405715.3U CN216079776U (en) | 2021-09-30 | 2021-09-30 | Two-stage pneumatic conveying system far away from boiler room in preparation workshop |
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| Publication Number | Publication Date |
|---|---|
| CN216079776U true CN216079776U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122405715.3U Active CN216079776U (en) | 2021-09-30 | 2021-09-30 | Two-stage pneumatic conveying system far away from boiler room in preparation workshop |
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| Country | Link |
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| CN (1) | CN216079776U (en) |
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2021
- 2021-09-30 CN CN202122405715.3U patent/CN216079776U/en active Active
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