CN219889565U - Dry material feeding device of sludge incinerator - Google Patents
Dry material feeding device of sludge incinerator Download PDFInfo
- Publication number
- CN219889565U CN219889565U CN202320856564.XU CN202320856564U CN219889565U CN 219889565 U CN219889565 U CN 219889565U CN 202320856564 U CN202320856564 U CN 202320856564U CN 219889565 U CN219889565 U CN 219889565U
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- storage bin
- dry material
- material feeding
- stress application
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- 239000000463 material Substances 0.000 title claims abstract description 39
- 239000010802 sludge Substances 0.000 title claims abstract description 15
- 238000009792 diffusion process Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a dry material feeding device of a sludge incinerator, which comprises a primary air supply opening and a storage bin which is arranged corresponding to the primary air supply opening, wherein the primary air supply opening is of a variable diameter structure and comprises an air inlet section, an air quantity diffusion section and a rectification section which are sequentially connected along the air supply direction, and the diameter of the rectification section is smaller than that of the air inlet section; the receiving port of the storage bin is arranged in an inverted cone shape, the large port end of the receiving port is arranged towards the rectifying section, and the small port end of the receiving port is arranged towards the storage bin. The utility model solves the current situation of uneven discharging of dry materials and eliminates positive pressure between the rotary feeder and the middle pipeline of the feeding device.
Description
Technical Field
The present utility model relates to a sludge incinerator, and more particularly, to a dry material feeding device of a sludge incinerator.
Background
In the sludge drying and incinerating treatment process, particles produced by a dryer are used as main fuel, a heat source is provided for an incinerator to keep burning, and heat energy of the incinerator is recovered in a steam form and then sent to the dryer to be used as the heat source. After the dry particles are produced from the dryer, the dry particles are conveyed to a dry storage bin for incineration through a series of spiral and bucket elevators. When the dry materials are delivered to the incinerator, the dry materials are delivered to the feeding device through the rotary feeder, and then primary air of the incinerator is used as a power source to blow into the incinerator for combustion.
At present, the drier is oversized at the inlet of a feeding device, and the design of effective flow guide does not exist, when primary air is fed, partial air quantity is blown to a drier bin through the feeding device, positive pressure is formed at the bottom of the drier bin, and therefore the discharging of a rotary feeder is affected. The discharge of the dry materials is uneven, so that the furnace temperature of the incinerator is unstable, and finally the incineration yield is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a dry material feeding device of a sludge incinerator, so as to solve the current situation of uneven discharge of dry materials and eliminate positive pressure between a rotary feeder and a middle pipeline of the feeding device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dry material feeding device of a sludge incinerator comprises a primary air supply port and a storage bin which is arranged corresponding to the primary air supply port;
the primary air supply port is of a variable diameter structure and comprises an air inlet section, an air quantity diffusion section and a rectification section which are sequentially connected along the air supply direction, and the diameter of the rectification section is smaller than that of the air inlet section;
the receiving port of the storage bin is arranged in an inverted cone shape, the large port end of the receiving port is arranged towards the rectifying section, and the small port end of the receiving port is arranged towards the storage bin.
Preferably, the air quantity diffusion section is arranged in an inverted cone shape, the large opening end of the air quantity diffusion section is communicated with the air inlet section and has the same diameter, and the small opening end of the air quantity diffusion section is communicated with the rectifying section and has the same diameter.
Preferably, a secondary pressurizing section is further arranged on the discharge port of the storage bin.
Preferably, the secondary pressurizing section comprises a advection section and a stress application section;
one end of the advection section is communicated with the small opening end of the receiving opening and has the same diameter;
the stress application section is arranged into an inverted cone shape, the small opening end of the stress application section is communicated with the other end of the advection section, the diameters of the stress application section and the small opening end of the stress application section are the same, and the large opening end of the stress application section is arranged towards the storage bin.
Preferably, the taper of the air quantity diffusion section is the same as the taper of the material receiving port.
The dry material feeding device of the sludge incinerator provided by the utility model has the following beneficial effects:
1) The dry material feeding device has the advantages of small change to the existing equipment, convenient and reliable installation and convenient maintenance;
2) The dry material feeding device can meet the safety requirement during dry material feeding, has high reliability and can be popularized;
3) The dry material feeding device can effectively solve the current situation of unbalanced dry material feeding and stabilize the treatment capacity of the incinerator.
Drawings
FIG. 1 is a schematic diagram of the structure of the dry material feeding device of the present utility model.
Detailed Description
In order to better understand the above technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1, the dry material feeding device of the sludge incinerator provided by the utility model comprises a primary air supply opening 1 and a storage bin 2 which is arranged corresponding to the primary air supply opening.
The primary air supply opening 1 is arranged to be of a variable diameter structure and comprises an air inlet section 3, an air quantity diffusion section 4 and a rectification section 5 which are sequentially connected along the air supply direction (the direction shown by an arrow in the figure), wherein the diameter of the rectification section 5 is required to be smaller than that of the air inlet section 3.
The receiving opening 6 of the storage bin 2 is arranged in an inverted cone shape, the large opening end of the receiving opening is arranged towards the rectifying section 5, and the small opening end of the receiving opening is arranged towards the storage bin 2.
The air quantity diffusion section 4 is arranged into an inverted cone shape, the large opening end of the air quantity diffusion section is communicated with the air inlet section 3, the diameters of the air quantity diffusion section are the same, and the small opening end of the air quantity diffusion section is communicated with the rectifying section 5, and the diameters of the air quantity diffusion section and the rectifying section are the same.
And a secondary pressurizing section is further arranged on the discharge port of the storage bin 2.
The secondary pressurizing section comprises a advection section 7 and a stress application section 8, and one end of the advection section 7 is communicated with the small opening end of the material receiving opening 6 and has the same diameter.
The stress application section 8 is arranged into an inverted cone shape, the small opening end of the stress application section is communicated with the other end of the advection section 7, the diameters of the stress application section are the same, and the large opening end of the stress application section is arranged towards the storage bin 2.
Wherein the taper of the air quantity diffusion section 4 is the same as or similar to the taper of the receiving port 6.
According to the dry material feeding device, the primary air supply opening 1 is designed to be a large drawing angle through the air quantity diffusion section 4, so that windage loss is reduced, and the air quantity is rectified through the rectifying section 5.
The storage bin 2 is designed according to the material flow and the maximum rotation speed of the rotary blanking valve 10, so that when the material meets the maximum conveying capacity, the material accumulation in the storage bin 2 is not overrun and is not cut off.
The primary air supply opening 1 is arranged to be of a variable diameter structure, the receiving opening 6 is arranged to be of an inverted cone shape, the flaring portion corresponds to the rectifying section 5 of the primary air supply opening 1, and the internal result of the dry material feeding device is modified to enable the internal result to locally generate a Venturi effect, so that a pipeline 11 between the rotary blanking valve 10 and the blanking opening is in a near-zero wind pressure working condition, and the phenomenon that materials are blocked when materials formed due to the influence of wind pressure fall is eliminated.
The secondary pressurizing section is arranged on the discharge port of the storage bin 2, so that the material is conveyed smoothly, and the Venturi effect is enhanced obviously.
The venturi effect is utilized to guide primary air, so that the blanking of the dry materials is not influenced, the feeding of the dry materials is not influenced, the stability of the feeding of the dry materials is ensured, the furnace temperature of the incinerator is ensured, and the treatment capacity of the incinerator is stabilized.
In addition, the wind pressure of the secondary pressurizing section is taken from the initial section of the primary air supply opening, and the wind pressure is the same as the primary air supply pressure.
The dry material feeding device solves the problem of unsmooth feeding of original equipment, and stabilizes the treatment capacity of the incinerator.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the utility model, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the utility model as long as they fall within the true spirit of the utility model.
Claims (5)
1. The utility model provides a dry material feeder of sludge incinerator, includes a supply-air outlet and rather than the storage silo of corresponding setting, its characterized in that:
the primary air supply port is of a variable diameter structure and comprises an air inlet section, an air quantity diffusion section and a rectification section which are sequentially connected along the air supply direction, and the diameter of the rectification section is smaller than that of the air inlet section;
the receiving port of the storage bin is arranged in an inverted cone shape, the large port end of the receiving port is arranged towards the rectifying section, and the small port end of the receiving port is arranged towards the storage bin.
2. The dry material feeding apparatus of a sludge incinerator according to claim 1, wherein: the air quantity diffusion section is arranged into an inverted cone shape, the large opening end of the air quantity diffusion section is communicated with the air inlet section and has the same diameter, and the small opening end of the air quantity diffusion section is communicated with the rectifying section and has the same diameter.
3. The dry material feeding apparatus of a sludge incinerator according to claim 1, wherein: and a secondary pressurizing section is further arranged on the discharge hole of the storage bin.
4. A dry material feeding apparatus of a sludge incinerator according to claim 3, wherein: the secondary supercharging section comprises a advection section and a stress application section;
one end of the advection section is communicated with the small opening end of the receiving opening and has the same diameter;
the stress application section is arranged into an inverted cone shape, the small opening end of the stress application section is communicated with the other end of the advection section, the diameters of the stress application section and the small opening end of the stress application section are the same, and the large opening end of the stress application section is arranged towards the storage bin.
5. The dry material feeding apparatus of a sludge incinerator according to claim 2, wherein: the taper of the air quantity diffusion section is the same as the taper of the material receiving port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320856564.XU CN219889565U (en) | 2023-04-17 | 2023-04-17 | Dry material feeding device of sludge incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320856564.XU CN219889565U (en) | 2023-04-17 | 2023-04-17 | Dry material feeding device of sludge incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219889565U true CN219889565U (en) | 2023-10-24 |
Family
ID=88406706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320856564.XU Active CN219889565U (en) | 2023-04-17 | 2023-04-17 | Dry material feeding device of sludge incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219889565U (en) |
-
2023
- 2023-04-17 CN CN202320856564.XU patent/CN219889565U/en active Active
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