CN215029707U - Coking removing device of oil-containing sludge rotary pyrolysis equipment - Google Patents
Coking removing device of oil-containing sludge rotary pyrolysis equipment Download PDFInfo
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- CN215029707U CN215029707U CN202121265519.4U CN202121265519U CN215029707U CN 215029707 U CN215029707 U CN 215029707U CN 202121265519 U CN202121265519 U CN 202121265519U CN 215029707 U CN215029707 U CN 215029707U
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- rotary kiln
- cutting blade
- radial cutting
- stirring
- coking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
The utility model discloses a coking removal device of a rotary pyrolysis device for oily sludge, which comprises a rotary kiln, a feeding screw conveyor and a cutting and stirring device; the auger shaft of the feeding screw conveyor and the stirring shaft of the cutting stirring device are driven by the same motor, and the rotation direction of the auger shaft is opposite to that of the rotary kiln; the cutting and stirring device is provided with a plurality of groups of radial cutting blade sets with wedge-shaped tail ends and arranged vertically, the blades are tangent to the inner wall of the rotary kiln, and a plurality of holes are formed in the surface of the blades. The utility model discloses simple structure can effectively clear away the rotary kiln inner wall coking, prevents the coking in the production of inner wall to can carry out the low disturbance stirring to the material, make the material be heated evenly, improve heat transfer efficiency, extension equipment life.
Description
Technical Field
The utility model relates to an oiliness mud pyrolysis treatment technical field, concretely relates to be used for oiliness mud pyrolysis equipment to remove coking device.
Background
The oily sludge is a complex mixture which is generated in the processes of petroleum exploitation, transportation, storage, tank cleaning, refining and the like and consists of water, solid mineral particles, petroleum hydrocarbons and the like, contains a large amount of pathogenic bacteria, harmful heavy metals, toxic benzene series substances, radioactive nuclide and other harmful substances which are difficult to degrade, and can cause pollution to soil, water and air if the oily sludge is directly discharged without being treated.
The common treatment methods of the oily sludge include pyrolysis, incineration, solvent extraction, biological methods, coking methods, oily sludge profile control, comprehensive utilization of the oily sludge and the like, and the treatment technologies are continuously perfected and developed along with the development of science and technology. Wherein, the pyrolysis method can recover 70 to 84 percent of petroleum components in the oily sludge, and the aim of resource recycling of the oily sludge is fulfilled. The oily sludge is pyrolyzed by adopting rotary pyrolysis equipment at present, and various harmful substances are almost completely removed after the oily sludge is pyrolyzed, so that the harm to the environment is reduced, the volume reduction effect of wastes is good, the treatment is safer, and the reduction, harmless treatment and resource utilization of the oily sludge can be realized.
However, during the pyrolysis process of the oily sludge in the rotary pyrolysis equipment, a certain amount of heavy oil with a high boiling point higher than the pyrolysis temperature can be generated, and the heavy oil can be combined with the residue soil and jointly bonded on the inner wall of the rotary kiln to form coking. If the coking is not cleared away in time, the coking layer can be gradually accumulated and thickened, so that the heat transfer efficiency of the rotary kiln is greatly reduced, the treatment efficiency of the oily sludge is influenced, the inner wall of the rotary kiln is corroded, and the service life of equipment is shortened. Therefore, the development of the decoking device capable of effectively solving the problem of inner wall coking in the operation process of the rotary pyrolysis equipment is of great significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the pyrolysis in-process of oily sludge in the rotation pyrolysis equipment easily produces the coking, provide an oily sludge rotation pyrolysis equipment decoking device, this decoking device can be timely, the effectual coking of cleaing away at the oily sludge in-process of rotary kiln pyrolysis to can carry out the stirring of low disturbance to oily sludge material, make the material be heated evenly, improve heat transfer efficiency, can prolong equipment life simultaneously.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
a decoking device of a rotary pyrolysis device for oily sludge comprises a rotary kiln, a feeding screw conveyor and a cutting and stirring device; the rotary kiln is characterized in that a auger shaft of the feeding screw conveyor and a stirring shaft of the cutting stirring device are the same shaft rod, are arranged below a horizontal central line of the rotary kiln and are driven to rotate by the same motor;
the rotating direction of the cutting and stirring device is opposite to that of the rotary kiln;
the cutting agitating unit's the (mixing) shaft on the interval evenly be equipped with the radial cutting blade group of multiunit, every radial cutting blade group of group sets up two opposite direction's radial cutting blade, and this blade end is the wedge, and open on the surface has the even hole of a plurality of sizes.
Preferably, the length of the radial cutting blade is smaller than the radius of the inner wall of the rotary kiln, and only one radial cutting blade in a certain group of radial cutting blade groups is tangent to the inner wall of the rotary kiln when the cutting stirring device rotates.
Preferably, the radial cutting blades are vertically arranged between adjacent radial cutting blade sets.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. the utility model discloses a pair of oily sludge rotation pyrolysis equipment removes coking and equips, simple structure, convenient operation, through the loss of the reducible electric energy of same motor drive feeding screw conveyer and cutting agitating unit, energy-concerving and environment-protective.
2. The utility model discloses a cutting agitating unit's direction of rotation and rotary kiln direction of rotation are opposite, set up the radial cutting blade of multiunit on the (mixing) shaft, set up perpendicularly between the adjacent radial cutting blade group, and radial cutting blade length is less than rotary kiln inner wall radius, and only radial cutting blade is tangent with the rotary kiln inner wall in certain group radial cutting blade group when cutting agitating unit is rotatory, when reducing the rotatory resistance of (mixing) shaft, can in time clear away rotary kiln inner wall coking, extension equipment life.
3. The utility model discloses a radial cutting blade surface is opened there are a plurality of holes, when cutting agitating unit is stirring the material, reduces the material to radial cutting blade's resistance, and the material obtains the stirring of low disturbance, makes the material be heated evenly, improves heat transfer efficiency.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a sectional view taken along line A-A in the front view of the present invention;
FIG. 3 is a view of a radial cutting blade according to the present invention;
fig. 4 is a partial schematic view of the radial cutting blade of the present invention.
In the drawings: 1-rotary kiln, 2-feeding screw conveyor, 3-cutting stirring device, 31-stirring shaft, 32-radial cutting blade and 33-hole.
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.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a coking device is removed to oily sludge rotary pyrolysis equipment, including rotary kiln 1, feeding screw conveyer 2 and cutting agitating unit 3, cutting agitating unit 3 includes (mixing) shaft 31 and radial cutting blade 32.
The auger shaft of the screw conveyor 2 and the stirring shaft 31 of the cutting and stirring device 3 are the same shaft rod, are arranged below the horizontal central line of the rotary kiln 1 and are driven to rotate by the same motor, and the rotating direction is opposite to that of the rotary kiln 1; evenly set up multiunit radial cutting blade 32 in the interval on the (mixing) shaft 31, every group sets up two opposite direction's radial cutting blade 32, and (mixing) shaft 31 and radial cutting blade 32 just all adopt with rotary kiln 1 same kind of high temperature resistant corrosion resistant alloy to make.
The length of the radial cutting blade 32 is smaller than the radius of the inner wall of the rotary kiln 1, when the cutting and stirring device 3 rotates, only one radial cutting blade 32 in a certain group of radial cutting blade 32 is tangent to the inner wall of the rotary kiln 1, the rotating resistance of the stirring device 3 is reduced, and coking on the inner wall of the rotary kiln 1 can be scraped off timely.
The radial cutting blades 32 are vertically arranged between the adjacent radial cutting blade 32 groups, and the coking on the inner wall of the rotary kiln 1 can be completely removed under the synergistic action of the groups.
The working principle of the utility model is as follows: under driving motor's drive, oily sludge material gets into rotary kiln 1 by feeding screw conveyer 2, cuts agitating unit 3 simultaneously and rotates with the opposite direction of rotary kiln 1 direction of rotation, carries out the stirring of low disturbance to oily sludge material to the epaxial multiunit of (mixing) radial cutting blade 32 of (mixing) shaft 31 constantly cuts rotary kiln 1 inner wall, scrapes the coking on the rotary kiln 1 inner wall, in time prevents the production of coking.
All the embodiments of the present invention are not described in detail in the prior art or can be implemented by the prior art.
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 (3)
1. A decoking device of a rotary pyrolysis device for oily sludge comprises a rotary kiln, a feeding screw conveyor and a cutting and stirring device; the rotary kiln is characterized in that a auger shaft of the feeding screw conveyor and a stirring shaft of the cutting stirring device are the same shaft rod, are arranged below a horizontal central line of the rotary kiln and are driven to rotate by the same motor;
the rotating direction of the cutting and stirring device is opposite to that of the rotary kiln;
the cutting agitating unit's the (mixing) shaft on the interval evenly be equipped with the radial cutting blade group of multiunit, every radial cutting blade group of group sets up two opposite direction's radial cutting blade, and this blade end is the wedge, and open on the surface has the even hole of a plurality of sizes.
2. The decoking device of the rotary pyrolysis equipment for oily sludge as claimed in claim 1, wherein the length of the radial cutting blade is smaller than the radius of the inner wall of the rotary kiln, and only one radial cutting blade in a certain group of radial cutting blade groups is tangent to the inner wall of the rotary kiln when the cutting stirring device rotates.
3. The decoking device of the rotary pyrolysis equipment for oily sludge as claimed in claim 1, wherein adjacent radial cutting blade sets are vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121265519.4U CN215029707U (en) | 2021-06-07 | 2021-06-07 | Coking removing device of oil-containing sludge rotary pyrolysis equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121265519.4U CN215029707U (en) | 2021-06-07 | 2021-06-07 | Coking removing device of oil-containing sludge rotary pyrolysis equipment |
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| CN215029707U true CN215029707U (en) | 2021-12-07 |
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| CN202121265519.4U Active CN215029707U (en) | 2021-06-07 | 2021-06-07 | Coking removing device of oil-containing sludge rotary pyrolysis equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525146A (en) * | 2022-01-19 | 2022-05-24 | 四川旅游学院 | Double-internal-circulation activated sludge resource utilization type disposal method |
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2021
- 2021-06-07 CN CN202121265519.4U patent/CN215029707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525146A (en) * | 2022-01-19 | 2022-05-24 | 四川旅游学院 | Double-internal-circulation activated sludge resource utilization type disposal method |
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