CN220582413U - Feeding device for circulating fluidized bed boiler - Google Patents
Feeding device for circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN220582413U CN220582413U CN202321205955.1U CN202321205955U CN220582413U CN 220582413 U CN220582413 U CN 220582413U CN 202321205955 U CN202321205955 U CN 202321205955U CN 220582413 U CN220582413 U CN 220582413U
- Authority
- CN
- China
- Prior art keywords
- pretreatment box
- fluidized bed
- bed boiler
- circulating fluidized
- conveyer belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000463 material Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010865 sewage Substances 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- 239000003245 coal Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model discloses a feeding device for a circulating fluidized bed boiler, which comprises a pretreatment box and a conveyor belt device, wherein a feeding hole is formed above the pretreatment box, a sieve plate is arranged in the pretreatment box in a rotating mode, a material distributing plate is arranged above the sieve plate, a material guiding plate is arranged below the sieve plate, a discharging hole is formed in one side of the pretreatment box, one end of the discharging hole extends to the position above the conveyor belt device, a water pipe is arranged on the side wall of the interior of the pretreatment box, a spray nozzle is arranged on the water pipe, and the water pipe and the spray nozzle are arranged above the sieve plate. The material guiding plate is of a grid structure, one side of the pretreatment box, which is far away from the material outlet, is provided with a sewage port, and the sewage port is arranged on the side surface of the lower part of the material guiding plate. Compared with the prior art, the utility model has the advantages that: setting a sieve plate for material separation, so as to reduce the volume of materials; the nozzle is arranged to treat dust fall to a certain extent, so that the combustion efficiency is improved.
Description
Technical Field
The utility model relates to limestone pretreatment equipment, in particular to a feeding device for a circulating fluidized bed boiler.
Background
The annular fluidized bed boiler adopts clean coal combustion technology with highest industrialization degree, and the annular fluidized bed boiler adopts fluidized combustion, so that basic problems of thermal, mechanical, material science and the like and engineering problems of expansion, abrasion, overtemperature and the like are well solved, and the annular fluidized bed boiler is an advanced technology for energy utilization of flame-retardant solid fuels such as coal gangue, oil shale, municipal waste, silt and other wastes.
At present, workers need to add coal blocks into a boiler through a feeding device before limestone feeding in a circulating fluidized bed boiler on the market, but the condition of insufficient combustion is often generated due to more dust or larger volume of part of coal blocks, so that the utilization rate is lower.
Disclosure of Invention
The utility model aims to solve the technical problems and provides a feeding device for a circulating fluidized bed boiler.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: a feed arrangement for circulating fluidized bed boiler, including pretreatment case and conveyer belt device, pretreatment case top be equipped with the feed inlet, inside rotation is equipped with the sieve, the sieve top be equipped with the feed divider, the below is equipped with the stock guide, pretreatment case one side be equipped with the discharge gate, the one end of discharge gate extend to conveyer belt device top.
Further, the side wall inside the pretreatment box is provided with a water pipe, a spray nozzle is arranged on the water pipe, and the water pipe and the spray nozzle are arranged above the sieve plate.
Further, the pretreatment box is internally provided with a cross-shaped mounting frame, the mounting frame is provided with a motor, and a main shaft of the motor is connected with the screen plate.
Further, the distributing plate is of an inverted bowl-shaped structure, and the sieve plate is provided with a plurality of blanking holes.
Further, the stock guide be grid structure, the pretreatment case one side of keeping away from the discharge gate be equipped with the sewage mouth, the sewage mouth set up the downside side at the stock guide.
Further, the conveyer belt device set up in an inclined way, and the below is equipped with the support frame, the conveyer belt device be the guipure formula conveyer belt, and the top slope is equipped with the baffle.
Compared with the prior art, the utility model has the advantages that:
1. setting a sieve plate for material separation, so as to reduce the volume of materials;
2. the nozzle is arranged to treat dust fall to a certain extent, so that the combustion efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a feed device for a circulating fluidized bed boiler according to the present utility model.
Fig. 2 is a schematic structural view of a conveyor belt device of a feeding device for a circulating fluidized bed boiler according to the present utility model.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; the specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The working principle of the utility model is as follows: the feeding device for the circulating fluidized bed boiler comprises a pretreatment box 1 and a conveyor belt device 2, wherein a feeding port 3 is arranged above the pretreatment box 1, a screen plate 4 is arranged in the pretreatment box 1 in a rotating mode, a cross-shaped mounting frame 10 is arranged in the pretreatment box 1, a motor 11 is arranged on the mounting frame 10, a main shaft of the motor 11 is connected with the screen plate 4, the cross-shaped mounting frame does not influence the falling of materials, and the motor drives the screen plate to rotate so as to carry out powder;
the screen plate 5 is provided with a plurality of blanking holes, the shape of the blanking holes is designed, or crushing cutters are added on the blanking holes, so that materials can be crushed;
the upper part of the sieve plate 4 is provided with a material distributing plate 5, the lower part of the sieve plate is provided with a material guiding plate 6, the material distributing plate 5 is of an inverted bowl-shaped structure, materials are prevented from accumulating in the center of the sieve plate, and the materials cannot accumulate on the material distributing plate;
the material guiding plate 6 is in a grid structure, one side of the pretreatment box 1 far away from the material outlet 7 is provided with a sewage outlet 12, the sewage outlet 12 is arranged on the side surface below the material guiding plate 6, sewage is separated by the material guiding plate and is discharged from the sewage outlet, and materials enter the material outlet along the material guiding plate;
one side of the bottom of the pretreatment box 1 is provided with a discharge hole 7, and one end of the discharge hole 7 extends to the upper part of the conveyor belt device 2.
The pretreatment box 1 is characterized in that a water pipe 8 is arranged on the inner side wall of the pretreatment box 1, a spray nozzle 9 is arranged on the water pipe 8, and the water pipe 8 and the spray nozzle 9 are arranged above the screen plate 4.
The conveyer belt device 2 incline to set up, and the below is equipped with support frame 13, conveyer belt device 2 be the guipure formula conveyer belt, and the top slope is equipped with baffle 14, conveyer belt device upper end sets up the feed opening, the dewatering equipment can be connected to the feed opening, conveyer belt device also can change into dewatering equipment, then direct connection circulating fluidized bed boiler.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. A feed device for a circulating fluidized bed boiler, comprising a pretreatment tank (1) and a conveyor belt device (2), characterized in that: the pretreatment box (1) top be equipped with feed inlet (3), inside rotation is equipped with sieve (4), sieve (4) top be equipped with branch flitch (5), the below is equipped with stock guide (6), pretreatment box (1) bottom one side be equipped with discharge gate (7), one end of discharge gate (7) extend to conveyer belt device (2) top.
2. A feeding device for a circulating fluidized bed boiler according to claim 1, characterized in that: the pretreatment box is characterized in that a water pipe (8) is arranged on the inner side wall of the pretreatment box (1), a spray nozzle (9) is arranged on the water pipe (8), and the water pipe (8) and the spray nozzle (9) are arranged above the sieve plate (4).
3. A feeding device for a circulating fluidized bed boiler according to claim 1, characterized in that: the pretreatment box (1) in be equipped with cross mounting bracket (10), mounting bracket (10) on be equipped with motor (11), the main shaft of motor (11) connect sieve (4).
4. A feeding device for a circulating fluidized bed boiler according to claim 1, characterized in that: the material distributing plate (5) is of an inverted bowl-shaped structure, and the screen plate (4) is provided with a plurality of blanking holes.
5. A feeding device for a circulating fluidized bed boiler according to claim 1, characterized in that: the material guiding plate (6) is of a grid structure, one side, far away from the material outlet (7), of the pretreatment box (1) is provided with a sewage outlet (12), and the sewage outlet (12) is arranged on the side face of the lower side of the material guiding plate (6).
6. A feeding device for a circulating fluidized bed boiler according to claim 1, characterized in that: the conveyer belt device (2) is obliquely arranged, a supporting frame (13) is arranged below the conveyer belt device, the conveyer belt device (2) is a mesh belt type conveyer belt, and a baffle (14) is obliquely arranged above the conveyer belt device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321205955.1U CN220582413U (en) | 2023-05-18 | 2023-05-18 | Feeding device for circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321205955.1U CN220582413U (en) | 2023-05-18 | 2023-05-18 | Feeding device for circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220582413U true CN220582413U (en) | 2024-03-12 |
Family
ID=90109827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321205955.1U Active CN220582413U (en) | 2023-05-18 | 2023-05-18 | Feeding device for circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220582413U (en) |
-
2023
- 2023-05-18 CN CN202321205955.1U patent/CN220582413U/en active Active
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