CN209763132U - Honeycomb type air supply device for water coal slurry boiler - Google Patents
Honeycomb type air supply device for water coal slurry boiler Download PDFInfo
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- CN209763132U CN209763132U CN201920016712.0U CN201920016712U CN209763132U CN 209763132 U CN209763132 U CN 209763132U CN 201920016712 U CN201920016712 U CN 201920016712U CN 209763132 U CN209763132 U CN 209763132U
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- air supply
- supply device
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Abstract
The utility model discloses a honeycomb type air supply device of a water-coal-slurry boiler, in particular to the field of a water-coal-slurry combustion furnace, which comprises a square installation frame body, wherein both ends of the installation frame body are provided with annular extending parts, and the two annular extending parts are communicated to form a circular cavity; a cylindrical body is arranged in the circular cavity; the body is provided with honeycomb holes and mounting holes, and the mounting holes are positioned on the axis of the body; a sealing plate is arranged at the end part of the annular extension part at the outer end, a gas buffer cavity is formed between the sealing plate and the body, and the gas buffer cavity is communicated with an air supply device; a wear-resistant sleeve penetrates through the sealing plate and extends into the mounting hole; the sealing plate is provided with a heat insulation pad. The suspension time of the water-coal-slurry in the air can be prolonged, so that the water-coal-slurry can be fully contacted with the air, the combustion of the water-coal-slurry is more sufficient, the combustion rate of fuel is improved, resources are saved, and the cost is reduced.
Description
Technical Field
The utility model relates to a coal slurry fires burning furnace field, concretely relates to coal slurry boiler honeycomb formula air supply arrangement.
Background
The water-coal-slurry boiler is a common combustion furnace, and adopts water-coal-slurry high-pressure injection into a hearth for combustion. The water coal gun port and the oxygen port of the existing water coal slurry boiler are arranged in parallel (refer to fig. 1); therefore, the air flow of the air inlet blows the coal water slurry to one side, the coal water slurry is accumulated on one side, the contact area of the coal water slurry and the air is reduced, the accumulation of the coal water slurry is accelerated, the coal water slurry is easy to be insufficiently combusted, the energy waste is caused, and the cost is increased. In view of the above disadvantages, it is necessary to design a honeycomb blower of a slurry boiler.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the utility model provides a coal slurry boiler honeycomb formula air supply arrangement to solve current coal slurry boiler and cause the coal slurry to pile up toward a direction easily, lead to the insufficient problem of burning.
In order to solve the technical problem, the technical scheme of the utility model is that: the honeycomb type air supply device of the water-coal-slurry boiler comprises a square installation frame body, wherein annular extending parts are arranged at two ends of the installation frame body, and the two annular extending parts are communicated to form a circular cavity; a cylindrical body is arranged in the circular cavity; the body is provided with honeycomb holes and mounting holes, and the mounting holes are positioned on the axis of the body; a sealing plate is arranged at the end part of the annular extension part at the outer end, a gas buffer cavity is formed between the sealing plate and the body, and the gas buffer cavity is communicated with an air supply device; a wear-resistant sleeve penetrates through the sealing plate and extends into the mounting hole; the sealing plate is provided with a heat insulation pad.
Furthermore, two limiting plates extending outwards are arranged on the periphery of the square frame body; the two oppositely arranged limiting plates form a limiting cavity.
Furthermore, each hole of the honeycomb holes is a taper hole, and the large end of the taper hole is connected with the gas cache cavity.
Furthermore, the outer side of the sealing plate is also provided with an upper supporting block and a lower supporting block which are positioned on the upper side and the lower side of the wear-resistant sleeve; the upper supporting block and the lower supporting block extend into a water coal gun in the wear-resistant sleeve in a limiting mode.
Further, the upper supporting block and the lower supporting block are in sliding connection with the sealing plate.
Furthermore, a first sliding groove and a second sliding groove which are respectively positioned at the lower two sides of the wear-resistant sleeve are arranged at the outer side of the sealing plate, and T-shaped grooves are formed at the bottoms of the first sliding groove and the second sliding groove; the upper supporting block is arranged in the first sliding groove, and the lower supporting block is arranged in the second sliding groove; locking screws penetrate through the upper supporting block and the lower supporting block, and the heads of the locking screws are limited in the T-shaped sliding grooves.
Furthermore, the outer side of the sealing plate is also provided with two hanging parts.
further, the air supply device is a blower.
Compared with the prior art, the honeycomb type air supply device of the water-coal-slurry boiler has the following beneficial effects:
The water coal gun extends into the wear-resistant sleeve, and the outlet of the water coal gun is the center of the honeycomb hole; when the water coal gun sprays coal water slurry and air supply arrangement during to the air feed in the honeycomb holes, the coal water gun sprays the coal water slurry and can be in the middle of honeycomb holes spun air current, even when making the power of the air current that the coal water slurry received, consequently, the air current can avoid the coal water slurry to pile up toward one side, and honeycomb holes spun air current can accelerate the coal water slurry and carry forward, the coal water slurry of extension is suspension time in the air, make the coal water slurry fully contact with the air, make its burning more abundant, the combustion rate of fuel has been improved, therefore, the resource is saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of the air inlet and the position of a coal water lance of a prior art coal water slurry boiler;
FIG. 2 is a schematic view of the honeycomb type air supply device of the water coal slurry boiler of the present invention;
FIG. 3 is a cross-sectional view of the honeycomb type air supply device of the water coal slurry boiler of the present invention;
FIG. 4 is a sectional view of the mounting frame portion of the honeycomb blower of the slurry boiler of the present invention;
FIG. 5 is a front view of the honeycomb type air supply device of the water coal slurry boiler of the present invention;
FIG. 6 is a sectional view of the sealing plate part of the honeycomb type air supply device of the water coal slurry boiler of the present invention.
Detailed Description
The following detailed description will be further described in conjunction with the above-identified drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.
Referring to fig. 2-4, the honeycomb type air supply device of the water-coal-slurry boiler of the embodiment includes a square installation frame 1, two ends of the installation frame 1 are respectively provided with an annular extension portion 2, and the two annular extension portions 2 are mutually communicated to form a circular cavity 3. A cylindrical body 4 is arranged in the circular cavity 3; the honeycomb holes 5 and the mounting holes are formed in the body 4, and the mounting holes are located in the axis of the body 4. A sealing plate 7 is arranged at the end part of the annular extension part 2 at the outer end, a gas buffer cavity 8 is formed between the sealing plate 7 and the body 4, and the gas buffer cavity 8 is communicated with an air supply device 9; a wear-resistant sleeve 10 penetrates through the sealing plate 7 and extends into the mounting hole; the sealing plate 7 is completed with a heat insulating mat 11. The water coal gun extends into the wear-resistant sleeve 10, and the outlet of the water coal gun is the center of the honeycomb hole 5; when the water coal rifle sprays coal water slurry and air supply arrangement 9 during to the air feed in honeycomb holes 5, the coal water slurry of water coal rifle injection can be in the middle of the 5 spun air currents of honeycomb holes, even during the power of the air current that makes the coal water slurry receive, consequently the air current can avoid the coal water slurry to pile up toward one side, and 5 spun air currents of honeycomb holes can accelerate the coal water slurry and carry forward, the coal water slurry of extension is suspension time in the air, make the coal water slurry can fully contact with the air, make its burning more abundant, the combustion rate of fuel has been improved, therefore, the resource is saved, and the cost is reduced. The wear-resistant sleeve 10 can reduce the abrasion of the water coal gun and the water coal gun.
Furthermore, two limiting plates 100 extending outwards are arranged around the square frame 1; the two oppositely arranged limiting plates 100 form a limiting cavity 101. Therefore, when the honeycomb type air supply device of the water-coal-slurry boiler is arranged on the boiler, the refractory bricks of the built boiler body can be clamped into the limiting cavity 101, so that the honeycomb type air supply device of the water-coal-slurry boiler is convenient to fix.
Further, each hole of the honeycomb holes 5 is a taper hole, and the large end of the taper hole is connected with the gas buffer cavity 8. When air is input into the honeycomb holes 5 through the air supply device 9, the pressure of airflow can be increased, the suspension time of the coal dust in the coal water slurry can be prolonged, and the coal dust in the coal water slurry can be fully combusted.
Further, referring to fig. 5-6, the outer side of the sealing plate 7 is further provided with an upper support block 70 and a lower support block 71 which are located at the upper side and the lower side of the wear-resistant sleeve 10; the upper supporting block 70 and the lower supporting block 71 limit and support a water coal gun extending into the wear-resistant sleeve 10; the water coal gun is fixed.
further, the upper support block 70 and the lower support block 71 are slidably connected to the sealing plate 7.
Further, a first sliding groove 72a and a second sliding groove 72b which are respectively located at the upper side and the lower side of the wear-resistant sleeve 10 are arranged on the outer side of the sealing plate 7, and T-shaped grooves 73 are respectively arranged at the bottoms of the first sliding groove 72a and the second sliding groove 72 b; the upper supporting block 70 is arranged in the first sliding groove 72a, and the lower supporting block 71 is arranged in the second sliding groove 72 b; locking screws 74 are arranged on the upper supporting block 70 and the lower supporting block 71 in a penetrating mode, and the heads of the locking screws 74 are limited in the T-shaped sliding grooves 73. After the positions of the upper support block 70 and the lower support block 71 are adjusted, the upper support block 70 and the lower support block 71 can be locked by nuts and corresponding locking screws 74.
Further, two hanging portions 75 are provided on the outer side of the sealing plate 7. When the water coal gun is taken out from the wear-resistant sleeve 10, the water coal gun can be placed on the two hanging parts 75.
Further, the air supply device 9 is a blower.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (8)
1. The honeycomb type air supply device of the water-coal-slurry boiler is characterized by comprising a square installation frame body, wherein annular extending parts are arranged at two ends of the installation frame body, and the two annular extending parts are communicated to form a circular cavity; a cylindrical body is arranged in the circular cavity; the body is provided with honeycomb holes and mounting holes, and the mounting holes are positioned on the axis of the body; a sealing plate is arranged at the end part of the annular extension part at the outer end, a gas buffer cavity is formed between the sealing plate and the body, and the gas buffer cavity is communicated with an air supply device; a wear-resistant sleeve penetrates through the sealing plate and extends into the mounting hole; the sealing plate is provided with a heat insulation pad.
2. The honeycomb type air supply device of the water-coal-slurry boiler according to claim 1, wherein two limiting plates extending outwards are arranged on the periphery of the square frame body; the two oppositely arranged limiting plates form a limiting cavity.
3. the honeycomb type air supply device of the water-coal-slurry boiler according to claim 2, wherein each hole of the honeycomb holes is a taper hole, and the large end of the taper hole is connected with the gas buffer cavity.
4. The honeycomb type air supply device of the water-coal-slurry boiler according to claim 1, wherein the outer side of the sealing plate is further provided with an upper supporting block and a lower supporting block which are positioned at the upper side and the lower side of the wear-resistant sleeve; the upper supporting block and the lower supporting block extend into a water coal gun in the wear-resistant sleeve in a limiting mode.
5. The coal water slurry boiler honeycomb blower apparatus of claim 4 wherein said upper support block and said lower support block are slidably connected to said seal plate.
6. The honeycomb type air supply device of the water-coal-slurry boiler according to claim 5, wherein the outer side of the sealing plate is provided with a first chute and a second chute which are respectively positioned at the lower two sides of the wear-resistant sleeve, and the bottoms of the first chute and the second chute are provided with T-shaped grooves; the upper supporting block is arranged in the first sliding groove, and the lower supporting block is arranged in the second sliding groove; locking screws penetrate through the upper supporting block and the lower supporting block, and the heads of the locking screws are limited in the T-shaped sliding grooves.
7. The honeycomb type air supply device of the water-coal-slurry boiler is realized by the following steps that two hanging parts are further arranged on the outer side of the sealing plate.
8. The honeycomb air supply device of the water-coal-slurry boiler of claim 1, wherein the air supply device is a blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016712.0U CN209763132U (en) | 2019-01-02 | 2019-01-02 | Honeycomb type air supply device for water coal slurry boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920016712.0U CN209763132U (en) | 2019-01-02 | 2019-01-02 | Honeycomb type air supply device for water coal slurry boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209763132U true CN209763132U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920016712.0U Active CN209763132U (en) | 2019-01-02 | 2019-01-02 | Honeycomb type air supply device for water coal slurry boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209763132U (en) |
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2019
- 2019-01-02 CN CN201920016712.0U patent/CN209763132U/en active Active
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