CN219823988U - Sludge spraying granulation device - Google Patents
Sludge spraying granulation device Download PDFInfo
- Publication number
- CN219823988U CN219823988U CN202321322704.1U CN202321322704U CN219823988U CN 219823988 U CN219823988 U CN 219823988U CN 202321322704 U CN202321322704 U CN 202321322704U CN 219823988 U CN219823988 U CN 219823988U
- Authority
- CN
- China
- Prior art keywords
- cavity
- sludge
- inner core
- rectifier
- spray granulation
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- 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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- 239000010802 sludge Substances 0.000 title claims abstract description 54
- 238000005469 granulation Methods 0.000 title claims abstract description 20
- 230000003179 granulation Effects 0.000 title claims abstract description 20
- 238000005507 spraying Methods 0.000 title description 8
- 239000007921 spray Substances 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000889 atomisation Methods 0.000 abstract description 4
- 235000011837 pasties Nutrition 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 21
- 238000001035 drying Methods 0.000 description 19
- 239000002245 particle Substances 0.000 description 10
- 238000005265 energy consumption Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides a sludge spray granulation device which comprises a cavity, a core body and a gas pipeline, wherein one end of the cavity is a cylindrical section, the other end of the cavity is a conical section, one end of the cavity corresponding to the conical section is provided with a discharge hole, and the other end of the cavity is sealed through the core body; an inner core is concentrically arranged at one end of the core body, which is close to the cavity, and extends out of the discharge hole after penetrating through the cavity, and an annular gap is arranged between the discharge hole and the inner core; one end of the core body, which is far away from the cavity, is concentrically provided with a mud inlet pipe; the gas pipeline stretches into along the radial direction of the cavity, a rectifier sleeved on the inner core is arranged between the gas pipeline and the discharge hole, and a plurality of through holes uniformly distributed about the circumference of the inner core are formed in the rectifier. The sound velocity sprayed by the annular gap and even the supersonic air flow are intersected with the sludge passing through the sludge passage, and the pasty sludge is shredded to the micron level under the action of high-speed difference, so that the atomization effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of sludge drying, and particularly relates to a sludge spray granulation device.
Background
Heat consumption is the most important energy consumption in the sludge drying process. The sludge drying rate is improved, namely the sludge drying efficiency is improved, and the drying energy consumption is reduced; so improving the speed of sludge drying is an important development direction of sludge drying technology.
Traditional sludge drying technology generally adopts a mechanical granulation method; such as a slitter, to process the sludge into sludge strips of a minimum of several millimeters in size by extruding the slitter. The mechanical granulation method generally has the problem of large granulation granularity.
The larger the grain size of the sludge granules is, the smaller the contact surface area of the sludge granules and hot air is, the lower the speed of drying the sludge is, and the high heat consumption of a drying system is caused.
Accordingly, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and designs a sludge spray granulation device.
In order to achieve the above object, the present utility model provides the following technical solutions:
the sludge spray granulation device comprises a cavity, a core body and a gas pipeline, wherein one end of the cavity is a cylindrical section, the other end of the cavity is a conical section, one end of the cavity corresponding to the conical section is provided with a discharge hole, and the other end of the cavity is sealed through the core body;
an inner core extending along the axial direction of the cavity is arranged in the middle of the core body, the inner core penetrates through the cavity and then extends out of the discharge hole, and an annular gap is arranged between the discharge hole and the inner core;
the gas pipeline extends into the cavity along the radial direction, a rectifier sleeved on the inner core is arranged between the gas pipeline and the discharge hole, and a plurality of through holes uniformly distributed around the inner core are formed in the rectifier.
Preferably, the core body further comprises a sealing flange correspondingly connected with the cavity, and the sealing flange is provided with a tongue-and-groove corresponding to the cavity.
Preferably, the rectifier is of a cylindrical structure, the outer wall of the rectifier is tightly attached to the inner cavity of the cavity, and the middle hole of the rectifier is tightly attached to the outer wall of the inner core.
Preferably, the rectifier is located at an end of the cylindrical section of the cavity near the conical section.
Preferably, the end part of the cavity is provided with a flange plate corresponding to the sealing flange, and the sealing flange is correspondingly connected to the flange plate through bolts.
Preferably, the gas pipeline is connected to the side wall of the cavity corresponding to the columnar section in a threaded manner.
Preferably, the length of the inner core extending out of the discharge hole is 1-5mm.
Preferably, the rectifier is made of non-metal materials.
Preferably, the core is an integrally formed structure.
Preferably, the angle of the cone inner cavity of the cavity is 50-150 degrees.
The beneficial effects are that: the sound velocity sprayed by the annular gap and even the supersonic air flow are intersected with the sludge passing through the sludge passage, and the pasty sludge is shredded to the micron level under the action of high-speed difference, so that the atomization effect is achieved. The atomized and granulated sludge particles are contacted with hot flue gas, and as the sludge particles are small enough and the contact surface area with hot air is large enough, the sludge particles are dried rapidly or even instantaneously, the drying efficiency is extremely high, thereby further improving the heat utilization efficiency of a drying system, reducing the drying heat consumption and saving the energy consumption.
The high-speed air flow and the sludge are mixed and shredded outside the device, so that a sufficient space is provided for ensuring the atomization effect, and shredded sludge particles are prevented from being adhered together again.
The rectifier makes the gas evenly distributed in the circumferential direction when the gas is sprayed out of the annular gap, and ensures that the sprayed and atomized sludge is symmetrically distributed along the spraying direction.
The distance and the spraying width of the atomized spraying can be controlled by adjusting the angle of the inner cavity of the cavity.
The size of the atomized sludge can be further controlled by adjusting the size of the compressed air.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:
FIG. 1 is a schematic cross-sectional view of a granulating apparatus in accordance with one embodiment of the utility model.
In the figure: 1. a core; 101. a sealing flange; 102. an inner core; 103. a mud inlet pipe; 2. a gas line; 3. a cavity; 4. a rectifier.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled" and "connected" as used herein are to be construed broadly and may be, for example, fixedly coupled or detachably coupled; either directly or indirectly through intermediate components, the specific meaning of the terms being understood by those of ordinary skill in the art as the case may be.
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in FIG. 1, a mud spraying granulation device, including cavity 3, core 1, gas line 2, the one end of cavity 3 is the cylinder section, and the other end is the toper section, and the one end that cavity 3 corresponds the toper section is equipped with the discharge gate, and the other end passes through core 1 and seals, and the great end intercommunication cylindric part of toper section, the discharge gate lie in the less end of toper section, and core 1 middle part is equipped with the inner core 102 that extends along cavity 3 axial, and inner core 102 corresponds to connect mud transmission equipment for carry and wait to dry mud, and inner core 102 stretches out the discharge gate after running through cavity 3, is equipped with annular gap between discharge gate and the inner core 102.
The gas pipeline 2 stretches into along the radial direction of the cavity 3, and the gas pipeline 2 is correspondingly connected with a high-pressure gas source and is used for conveying high-pressure gas. A rectifier 4 sleeved on the inner core 102 is arranged between the gas pipeline 2 and the discharge port, and a plurality of through holes which are uniformly distributed circumferentially about the inner core 102 are arranged on the rectifier 4.
After the inner core 102 stretches out of the discharge hole, the sludge is conveyed to the discharge hole through the inner core 102, an annular gap is arranged between the discharge hole and the inner core 102, compressed air enters the cavity 3 through the gas pipeline 2, turbulent high-pressure gas is rectified by the rectifier 4 and uniformly enters the conical section, finally high-pressure high-speed atomized air flow is formed through the annular gap formed by the inner core 102 and the discharge hole, the sludge is converged outside the device through the high-pressure high-speed air flow ejected by the inner core 102 and the discharge hole, sound velocity ejected by the annular gap, even supersonic air flow and the sludge passing through the sludge passage are converged, paste-shaped sludge is torn to be in micron level under the effect of high-speed difference, the atomized and granulated sludge particles are contacted with hot flue gas, and because the contact surface area of the sludge particles with hot air is sufficiently large, the sludge particles are dried rapidly and even instantaneously, the drying efficiency is extremely high, thereby further improving the heat utilization efficiency of a drying system, reducing the drying heat consumption and saving energy consumption.
In this embodiment, the gas velocity of the gas through the annular gap is sonic or supersonic.
The rectifier 4 is provided with a plurality of through holes which are uniformly distributed in the circumferential direction, the through holes penetrate through two end surfaces of the rectifier 4, and 4-8 through holes can be arranged.
In an alternative embodiment, the core 1 is composed of a closed flange and an inner core 102, and the inner core 102 is tubular and is used as a mud pipe 103. The sealing flange 101, the inner core 102 and the cavity 3 are concentric, the inner core 102 and the mud inlet pipe 103 are connected with the sealing flange 101, and the inner core 102 penetrates through the center of the sealing flange 101 and forms a mud passage.
In this embodiment, the core 1 further includes a sealing flange 101 correspondingly connected to the cavity 3, and a tongue-and-groove corresponding to the cavity 3 is provided on the sealing flange 101, where the tongue-and-groove of the core 1 is tightly matched with the inner cavity of the cavity 3, so as to seal the cavity 3.
In an alternative embodiment, the rectifier 4 has a cylindrical structure, and the outer wall of the rectifier 4 is tightly attached to the inner cavity of the cavity 3, which may be specifically in interference fit; the rectifier 4 is sleeved on the inner core 102 through the middle sleeve, and the middle hole of the rectifier 4 is tightly attached to the outer wall of the inner core 102, and can be in interference fit.
In an alternative embodiment, the rectifier 4 is located at one end of the cylindrical section of the cavity 3 near the conical section.
The end of the cavity 3 is provided with a flange plate corresponding to the sealing flange 101, the sealing flange 101 is correspondingly connected to the flange plate through bolts, the cavity 3, the core body 1 and the air inlet pipe form a gas passage, and an outlet of the gas passage is an annular gap formed by the cavity 3 and the core body 1 in a matched mode.
In an alternative embodiment, the gas pipe 2 is screwed on the side wall of the cavity 3 corresponding to the cylindrical section, or the gas pipe 2 is integrally formed with the upper housing.
The length of the core 102 extending out of the discharge opening is 1-5mm. The rectifier 4 is made of a non-metal material, such as nylon.
The angle of the cone inner cavity of the cavity 3 is 50-150 degrees, and the atomizing spraying distance and spraying width can be controlled by adjusting the angle of the inner cavity of the cavity 3.
The sealing flange 101 and the inner core 102 of the core body 1 are integrally formed. The middle part of the sealing flange 101 is provided with a middle hole; alternatively, the mud pipe 103 and the inner core 102 may be connected to the closure flange 101 by means of a threaded connection.
The device has compact structure and excellent granulating effect, and is compared with a slitter: the granulating device has the advantages of simple structure, low manufacturing cost and good granulating effect; the sludge is shredded to the micron level, so as to achieve the atomization effect. The atomized and granulated sludge particles are contacted with hot flue gas, and as the sludge particles are small enough and the contact surface area with hot air is large enough, the sludge particles are dried rapidly or even instantaneously, the drying efficiency is extremely high, thereby further improving the heat utilization efficiency of a drying system, reducing the drying heat consumption and saving the energy consumption.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The sludge spray granulation device is characterized by comprising a cavity, a core body and a gas pipeline, wherein one end of the cavity is a cylindrical section, the other end of the cavity is a conical section, one end of the cavity corresponding to the conical section is provided with a discharge hole, and the other end of the cavity is sealed through the core body;
an inner core is concentrically arranged at one end of the core body, which is close to the cavity, and extends out of the discharge hole after penetrating through the cavity, and an annular gap is arranged between the discharge hole and the inner core; a mud inlet pipe is concentrically arranged at one end of the core body, which is far away from the cavity body;
the gas pipeline extends into the cavity along the radial direction, a rectifier sleeved on the inner core is arranged between the gas pipeline and the discharge hole, and a plurality of through holes uniformly distributed around the inner core are formed in the rectifier.
2. The sludge spray granulation device according to claim 1, wherein the core further comprises a sealing flange correspondingly connected with the cavity, and a tongue-and-groove corresponding to the cavity is arranged on the sealing flange.
3. The sludge spray granulation device according to claim 1, wherein the rectifier has a cylindrical structure, the outer wall of the rectifier is tightly attached to the inner cavity of the cavity, and the middle hole of the rectifier is tightly attached to the outer wall of the inner core.
4. A sludge spray granulation apparatus as claimed in claim 3 wherein the rectifier is located at an end of the cylindrical section of the chamber adjacent the conical section.
5. The sludge spray granulation device according to claim 2, wherein the cavity end is provided with a flange plate corresponding to the sealing flange, and the sealing flange is correspondingly connected to the flange plate through bolts.
6. The sludge spray granulation device of claim 1, wherein the gas conduit is threadably coupled to a sidewall of the cavity corresponding to the cylindrical section.
7. The sludge spray granulation apparatus according to claim 1, wherein the length of the inner core extending out of the discharge port is 1-5mm.
8. The sludge spray granulation apparatus according to claim 1, wherein the rectifier is a nonmetallic material.
9. The sludge spray granulation apparatus according to claim 5, wherein the sealing flange, the inner core, and the sludge inlet pipe are integrally formed.
10. The sludge spray granulation device according to claim 1, wherein the angle of the cone inner cavity of the cavity is 50-150 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321322704.1U CN219823988U (en) | 2023-05-29 | 2023-05-29 | Sludge spraying granulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321322704.1U CN219823988U (en) | 2023-05-29 | 2023-05-29 | Sludge spraying granulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823988U true CN219823988U (en) | 2023-10-13 |
Family
ID=88274222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321322704.1U Active CN219823988U (en) | 2023-05-29 | 2023-05-29 | Sludge spraying granulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823988U (en) |
-
2023
- 2023-05-29 CN CN202321322704.1U patent/CN219823988U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |