CN210601703U - Biomass boiler feeding system - Google Patents

Abstract

The utility model discloses a biomass boiler feed system, including first furnace, first blanking pipeline, the admission line, the air bubble, expansion joint and first conveying pipeline, install first blanking pipeline on first furnace's the lateral wall, install the admission line on the first blanking pipeline, the one end that the admission line deviates from first blanking pipeline is connected on the gas outlet of air bubble, the expansion joint is installed to the upper end of first blanking pipeline, fixedly connected with flange on the expansion joint, the one end at first conveying pipeline is connected to the upper end of expansion joint, first conveying pipeline is close to one of expansion joint and serves and install first pneumatic baffle. The utility model discloses a first furnace, first unloading pipeline, admission line, air bubble, expansion joint and the first conveying pipeline that set up have solved the feeding inefficiency, block up the charging pipeline easily to the screw feeder of secondary feed appears furfural sediment easily and leaks the sediment, the big problem of environmental protection risk.

Description

Biomass boiler feeding system

Technical Field

The utility model relates to a biomass boiler power generation system technical field specifically is a biomass boiler feed system.

Background

As can be seen from fig. 3: the existing feeding system of the biomass boiler comprises a second hearth 13, a second discharging pipeline 14, a screw feeder 15, a second feeding pipeline 16 and a second pneumatic baffle 17, wherein the second discharging pipeline 14 is installed on a feeding hole of the second hearth, the other end of the second discharging pipeline 14 is connected to a discharging hole of the screw feeder 15, the feeding hole of the screw feeder 15 is connected to the tail end of the second feeding pipeline 16, meanwhile, the second pneumatic baffle 17 is installed on the second feeding pipeline 16, when the feeding system is used, raw materials are directly conveyed to the screw feeder 15 through the second feeding pipeline 16, then the raw materials are conveyed to the second discharging pipeline 14 through the screw feeder 15, and the raw materials are conveyed to the inside of the second hearth through the second discharging pipeline 14.

The secondary feeding in the mode adopts the screw feeder, the phenomena of bearing falling or breakage, twist cage clamping and no rotation and the like frequently occur in the operation, after the load of a boiler is increased and the feeding amount is increased, the problems of the screw feeder become serious day by day, the adhesion of materials on the screw blades is serious, and the full-load production operation of the boiler cannot be met; the tube wall of the blanking vertical tube is seriously stuck, so that the blockage phenomenon often occurs, and the stable operation of the boiler is seriously influenced; when the sealing belt stops, the sealing belt is started for the second time, and the sealing belt can rotate only by manual assistance; the on-site furfural residue leakage is serious, and the environmental protection risk is large.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a biomass boiler feed system, it is low to have solved feeding efficiency, blocks up charge-in pipeline easily to the screw feeder of secondary feed appears furfural sediment easily and leaks the sediment, problem that the environmental protection risk is big.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a biomass boiler feed system, including first furnace, first unloading pipeline, the admission line, the air bubble, expansion joint and first conveying pipeline, install first unloading pipeline on first furnace's the lateral wall, install the admission line on the first unloading pipeline, the one end that the admission line deviates from first unloading pipeline is connected on the gas outlet of air bubble, the expansion joint is installed to the upper end of first unloading pipeline, fixedly connected with flange on the expansion joint, the one end at first conveying pipeline is connected to the upper end of expansion joint, one of first conveying pipeline is close to the expansion joint is served and is installed first pneumatic baffle, first pneumatic baffle passes through fixing base fixed connection on first conveying pipeline.

Preferably, the lower extreme of first unloading pipeline is installed on the feed inlet that sets up on the first furnace thorax lateral wall, and first unloading pipeline fixed connection is on the pipe connection seat that sets up on the first furnace thorax outer wall, and pipe connection seat fixes on the outer wall of first furnace thorax feed inlet position department.

Preferably, the position of the first blanking pipeline corresponding to the air inlet pipeline is provided with an air inlet, the air inlet pipeline is fixedly connected with the first blanking pipeline through a connecting sleeve, the connecting sleeve is sleeved outside the first blanking pipeline, and the connecting sleeve is hermetically connected with the first blanking pipeline through glue.

Preferably, the upper end and the lower end of the expansion joint are fixedly connected with connecting flanges, the connecting flanges are circular, the connecting flanges on the lower portion of the expansion joint and the connecting flanges on the first discharging pipeline are fixedly connected through connecting bolts, the connecting flanges on the upper portion of the expansion joint and the connecting flanges on the first discharging pipeline are fixedly connected through connecting bolts, the connecting bolts are arranged in through holes formed in the connecting flanges, and sealed rubber gaskets are arranged between the connecting flanges.

(III) advantageous effects

The utility model provides a biomass boiler feed system possesses following beneficial effect:

the utility model discloses, through the first furnace that sets up, first unloading pipeline, the admission line, the air bubble, expansion joint and first conveying pipeline, during the use first conveying pipeline is connected to external feeding device, during the raw materials from first conveying pipeline carries the expansion joint, then during the raw materials carries first unloading pipeline from the expansion joint, in the feed inlet position on carrying first furnace from first unloading pipeline, the raw materials gets into the inside of furnace from the feed inlet of first furnace, in first unloading pipeline conveying process, the air bubble operation carries high-speed high-pressure air current to the admission line, high-speed high-pressure air current carries the air inlet on first unloading pipeline from the admission line, utilize high-speed high-pressure gas to wash away the raw materials of adhesion on the first unloading pipeline inner wall, the raw materials of adhesion directly dashes the inside of furnace, adopt the expansion joint to be connected between conveying pipeline and unloading pipeline, reduce furfural sediment phenomenon of leaking, add an air bubble in unloading pipeline below turning, prevent that the unloading pipeline from blockking up, not only solved the needs of boiler full load operation, the while has also reduced the operation trouble hidden danger and daily maintenance, the maintenance cost of operation equipment, the unloading pipeline blocks up and leaks the sediment problem and obtains solving, the environmental protection risk has been reduced, it is low to have solved feeding efficiency, block up the charge-in pipeline easily, and the screw feeder of secondary feed appears furfural sediment easily and leaks the sediment, the big problem of environmental protection risk.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the expansion joint of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the present invention before improvement in fig. 1.

The reference numbers in the figures are: 1. a first hearth; 2. a first blanking pipe; 3. a pipe connecting seat; 4. connecting sleeves; 5. an air intake duct; 6. an air cannon; 7. an expansion joint; 8. a first delivery conduit; 9. a first pneumatic baffle; 10. a fixed seat; 11. a connecting flange; 12. a connecting bolt; 13. a second hearth; 14. a second blanking pipe; 15. a screw feeder; 16. a second delivery pipeline; 17. a second pneumatic baffle.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown; a biomass boiler feeding system comprises a first hearth 1, a first blanking pipeline 2, an air inlet pipeline 5, an air cannon 6, an expansion joint 7 and a first conveying pipeline 8, wherein the first blanking pipeline 2 is installed on the side wall of the first hearth 1, the lower end of the first blanking pipeline 2 is installed on a feeding hole arranged on the side wall of the first hearth 1, the first blanking pipeline 2 is fixedly connected to a pipeline connecting seat 3 arranged on the outer wall of the first hearth 1, the pipeline connecting seat 3 is fixed on the outer wall of the position of the feeding hole on the first hearth 1, the air inlet pipeline 5 is installed on the first blanking pipeline 2, an air inlet is arranged at the position of the first blanking pipeline 2 corresponding to the air inlet pipeline 5, the air inlet is arranged on the outer side of the bent position of the first blanking pipeline 2, the air inlet pipeline 5 is fixedly connected with the first blanking pipeline 2 through a connecting sleeve 4, the connecting sleeve 4 is sleeved outside the first blanking pipeline 2, the connecting sleeve 4 is hermetically connected with the first blanking pipeline 2 by glue, one end of the air inlet pipeline 5, which is far away from the first blanking pipeline 2, is connected with an air outlet of an air cannon 6, the air cannon 6 is KQP-150L, the air inlet pipeline is the prior art, the upper end of the first blanking pipeline 2 is provided with an expansion joint 7, the expansion joint 7 is fixedly connected with a connecting flange 11, the upper end of the expansion joint 7 is connected with one end of a first material conveying pipeline 8, the upper end and the lower end of the expansion joint 7 are both fixedly connected with the connecting flange 11, the connecting flange 11 is in a ring shape, the connecting flange 11 at the lower part of the expansion joint 7 is fixedly connected with the connecting flange 11 on the first blanking pipeline 2 by a connecting bolt 12, the connecting flange 11 at the upper part of the expansion joint 7 is fixedly connected with the connecting flange 11 on the first material conveying pipeline 8 by a connecting bolt 12, and the connecting bolt, a sealing rubber gasket is arranged between the connecting flanges 11, a first pneumatic baffle 9 is arranged at one end of the first material conveying pipeline 8 close to the expansion joint 7, and the first pneumatic baffle 9 is fixedly connected to the first material conveying pipeline 8 through a fixed seat 10.

The working principle is as follows: during the use, the first material conveying pipeline 8 is connected to an external material conveying device, raw materials are conveyed to the expansion joint 7 from the first material conveying pipeline 8, then the raw materials are conveyed to the first blanking pipeline 2 from the expansion joint 7, the raw materials are conveyed to the position of a feed inlet on the first hearth 1 from the first blanking pipeline 2, the raw materials enter the hearth from the feed inlet of the first hearth 1, in the material conveying process of the first blanking pipeline 2, the air cannon 6 operates to convey high-speed high-pressure airflow to the air inlet pipeline 5, the high-speed high-pressure airflow is conveyed to an air inlet on the first blanking pipeline 2 from the air inlet pipeline 5, the raw materials adhered to the inner wall of the first blanking pipeline 2 are washed away by the high-speed high-pressure air, and the adhered raw materials directly wash the inside of the hearth.

To sum up can, the utility model discloses a first furnace 1, first unloading pipeline 2, admission line 5, air bubble 6, expansion joint 7 and the first conveying pipeline 8 that set up have solved the feeding inefficiency, block up the feed line easily to the screw feeder of secondary feed appears furfural sediment easily and leaks the sediment, the big problem of environmental protection risk.

It is noted that, herein, 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.

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 (4)

1. The utility model provides a biomass boiler feed system, includes first furnace (1), first unloading pipeline (2), admission line (5), air bubble (6), expansion joint (7) and first conveying pipeline (8), its characterized in that: install first unloading pipeline (2) on the lateral wall of first furnace (1), install admission line (5) on first unloading pipeline (2), the one end that admission line (5) deviate from first unloading pipeline (2) is connected on the gas outlet of air cannon (6), expansion joint (7) are installed to the upper end of first unloading pipeline (2), fixedly connected with flange (11) are gone up in expansion joint (7), the one end in first conveying pipeline (8) is connected to the upper end of expansion joint (7), first conveying pipeline (8) are close to one of expansion joint (7) and are served and install first pneumatic baffle (9), first pneumatic baffle (9) are through fixing base (10) fixed connection on first conveying pipeline (8).

2. A biomass boiler feed system according to claim 1, wherein: the lower end of the first blanking pipeline (2) is installed on a feeding hole formed in the side wall of the first hearth (1), the first blanking pipeline (2) is fixedly connected to a pipeline connecting seat (3) arranged on the outer wall of the first hearth (1), and the pipeline connecting seat (3) is fixed to the outer wall of the position of the feeding hole in the first hearth (1).

3. A biomass boiler feed system according to claim 1, wherein: the air inlet is formed in the position, corresponding to the air inlet pipeline (5), of the first blanking pipeline (2), the air inlet pipeline (5) is fixedly connected with the first blanking pipeline (2) through the connecting sleeve (4), the connecting sleeve (4) is sleeved outside the first blanking pipeline (2), and the connecting sleeve (4) is connected with the first blanking pipeline (2) in a sealing mode through glue.

4. A biomass boiler feed system according to claim 1, wherein: the upper end and the equal fixedly connected with flange (11) of lower extreme of expansion joint (7), and flange (11) are the ring shape, through connecting bolt (12) fixed connection between flange (11) of expansion joint (7) lower part and flange (11) on first unloading pipeline (2), through connecting bolt (12) fixed connection between flange (11) on expansion joint (7) upper portion and flange (11) on first conveying pipeline (8), and during connecting bolt (12) were settled set up the perforation of putting on flange (11), be provided with sealed rubber packing ring between flange (11).

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