CN112830655A - Sticky organic solid waste uniform distribution type feeding pyrolysis system - Google Patents
Sticky organic solid waste uniform distribution type feeding pyrolysis system Download PDFInfo
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- CN112830655A CN112830655A CN202110073079.0A CN202110073079A CN112830655A CN 112830655 A CN112830655 A CN 112830655A CN 202110073079 A CN202110073079 A CN 202110073079A CN 112830655 A CN112830655 A CN 112830655A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
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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
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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
Abstract
The embodiment of the invention provides a uniformly distributed feeding pyrolysis system for viscous organic solid wastes, which mainly comprises a storage bin, a spiral feeder, a double-roller type extrusion feeding device and a chain plate type pyrolysis device, wherein the double-roller type extrusion feeding device comprises a roller shaft, a concave guide rail, a convex guide rail, a scraper and a baffle. When the device is started, viscous organic solid wastes such as oil sludge and sludge are firstly conveyed to the roll-type extrusion feeding device through the screw feeder at the lower end of the storage bin, then fall into a gap between two roll shafts through the baffle and the drainage of a roll-type guide rail under the action of gravity, finally are extruded and extended through the two roll shafts with opposite rotating directions, and uniformly fall onto a chain plate of the pyrolysis device, and materials adhered to the wall surface of the roll shafts can also enter the pyrolysis device through the scraper cleaning. The invention has simple structure and reliable operation, can realize continuous, uniform and stable feeding of viscous organic solid waste, ensures the stability of pyrolysis products and improves the pyrolysis efficiency.
Description
Technical Field
The invention belongs to the technical field of organic solid waste disposal and utilization, and particularly relates to a uniform distribution type feeding pyrolysis system for viscous organic solid waste.
Background
Along with the development of the national economic society, the production amount of oil sludge, domestic garbage and other organic solid wastes is increasing day by day, and the efficient treatment and utilization of the organic solid wastes have important significance for environmental protection and resource recycling. The organic solid waste fast pyrolysis technology heats the organic solid waste which is difficult to dispose under the anaerobic or anoxic condition, so that the organic components of the organic solid waste are thermally decomposed, and high-quality solid, liquid or gas products which are convenient to store and transport are obtained through the processes of further condensation separation and the like. The pyrolysis method has the advantages of high resource recovery rate, simple and efficient treatment, thoroughness, less secondary pollution and the like, and is an important organic solid waste disposal technology.
In the organic solid waste pyrolysis process, stable and continuous feeding is an important link for ensuring the stable and efficient operation of a pyrolysis device. At present, in an organic solid waste pyrolysis treatment system, a spiral feeder is often adopted for material conveying and feeding. However, for viscous organic solid wastes such as oil sludge and sludge, due to the high viscosity, the solid wastes are easy to agglomerate in the feeding process, so that the feeding is uneven, the pyrolysis fluctuation is large, and the efficiency of a pyrolysis system is reduced. In addition, the phenomena of aggregation, bridging and the like easily occur in organic solid wastes such as high-viscosity oil sludge and the like in the storage bin, so that the organic solid wastes cannot uniformly fall into the screw feeder, the screw feeder idles, an air column is formed, and the air tightness and the stability of the pyrolysis device are reduced. Therefore, the development of a stable and efficient feeding device with uniform feeding and easy adjustment is the key for realizing the efficient and stable pyrolysis treatment of the viscous organic solid waste at present.
Disclosure of Invention
The invention aims to solve the problems of uneven feeding, poor pyrolysis stability and the like easily caused when the viscous organic solid waste is pyrolyzed in the prior art, and provides a uniform-distribution type feeding pyrolysis system for viscous organic solid waste, which has the advantages of compact structure, simplicity in adjustment and convenience in maintenance, and can realize uniform and stable feeding and efficient pyrolysis of viscous organic solid waste such as oil sludge and sludge.
In order to solve the technical problems and achieve the technical effects, the invention is realized by the following technical scheme: a uniformly-distributed feeding pyrolysis system for viscous organic solid waste comprises a storage bin, a spiral feeder, a pair-roller type extrusion feeding device and a chain plate type pyrolysis device; wherein:
the storage bin is used for storing viscous organic solid waste such as oil sludge and sludge, and a discharge port at the bottom of the storage bin is provided with a storage bin inclined plate to form a conical outlet so as to facilitate the falling of materials;
the spiral feeder comprises a feeding section, a sealing section and a discharging section, wherein the feeding section is arranged below a discharge port at the bottom of the storage bin, the sealing section is horizontally connected to the rear end of the feeding section, feeding spirals are arranged in the feeding section and the sealing section, so that the materials are stirred, the bridging phenomenon of the materials is avoided, the materials are promoted to form material columns in the spiral feeder, the air tightness is enhanced, the discharging section is vertically connected with the sealing section, and the discharging section is communicated with the double-roller type extrusion feeding device;
the double-roller type extrusion feeding device is provided with a cylinder body with an upper opening and a lower opening, the upper opening of the cylinder body is communicated with the discharge section of the spiral feeder, the lower opening of the cylinder body is communicated with the chain plate type pyrolysis device, and the cylinder body comprises two roll shafts, a concave guide rail, a convex guide rail, a scraper and a baffle which are arranged in parallel; the concave guide rails and the convex guide rails are correspondingly and respectively fixed on the circumferences of the two roll shafts at intervals one by one, and the corresponding concave guide rails and the corresponding convex guide rails are clamped with each other; one end of the scraper is fixed on the inner wall of the cylinder body below the roll shaft, and the other end of the scraper props against the lower part of the roll shaft; one end of the baffle is fixed on the inner wall of the cylinder above the roll shaft, and the other end of the baffle props against the upper part of the roll shaft;
the chain plate type pyrolysis device is arranged below the double-roller type extrusion feeding device and comprises a chain plate, and the motion starting end of the chain plate is aligned with the lower opening of the cylinder of the double-roller type extrusion feeding device.
Preferably, the inclination angle of the bin inclined plate relative to the horizontal direction is 45-75 degrees.
Preferably, the screw feeders are horizontally arranged in parallel and are not less than 2, the feeding section penetrates through the storage bin, the length of the sealing section is not less than two screw pitches of the feeding screw, and a gap between a sleeve of the sealing section and a blade of the feeding screw is not more than 2 mm.
Preferably, the two roll shafts rotate oppositely from top to bottom.
Preferably, the female guide rail and the male guide rail are respectively arranged in at least 3 groups.
Preferably, the included angle between the scraper and the vertical wall surface of the cylinder of the double-roller type extrusion feeding device is 30-60 degrees.
Preferably, the included angle between the baffle and the vertical wall surface of the cylinder of the double-roller type extrusion feeding device is 30-60 degrees.
According to the technical scheme of the embodiment of the invention, viscous organic solid waste is uniformly fed and pyrolyzed, viscous materials are sent into a bin from the outside, then fall into a spiral feeder along an inclined plate of the bin, the materials form a material column in a sealing section under the pushing of a spiral blade, the air flow in the bin is isolated, so that the sealing effect is achieved, then the material column continues to move to an outlet of the spiral feeder under the pushing of the spiral blade, and falls into a gap between two roll shafts of a roll-type extrusion feeding device under the action of gravity, and then uniformly falls into a chain plate of the pyrolysis device through the extrusion extension of a pair of rolls, a baffle above the roll shafts can prevent the materials from falling into a dead zone between the roll shafts and a vertical wall surface of a cylinder body, and a scraper below the roll shafts can clean the materials adhered to the:
1. the feeding is stable, the sealing performance is good: the spiral feeder is arranged below the granary in a penetrating mode, the spiral blades can stir materials, the materials can be effectively prevented from being bonded and bridged, and continuous and stable feeding is guaranteed. The spiral feeder is provided with the sealing section, so that the formation of the material column can be stably promoted, the sealing effect is achieved, and in addition, the roller type extrusion feeding device adopts an extrusion type feeding mode, so that the roller type extrusion feeding device can be tightly matched with the material, and the sealing effect is further enhanced.
2. Even cloth, the feeding is effectual: aiming at the characteristics of high viscosity, easy agglomeration and good ductility of viscous organic solid wastes such as oil sludge, sludge and the like, the materials are extruded and extended by designing the roll shafts to rotate in opposite directions, so that the materials form an even material thin layer, and the materials are ensured to uniformly enter the pyrolysis reactor.
3. The operation is reliable and stable, and the maintenance is simple and convenient: to roller-type feed arrangement moving part structural design simple compactness, baffle and scraper blade design prevent effectively that the material from falling into the device blind spot or the adhesion is at the device wall, have the effect of self-cleaning to guarantee the device reliable and stable operation, reduce the device and maintain the degree of difficulty.
Drawings
Fig. 1 is a schematic structural diagram of a uniform distribution type feeding pyrolysis system for viscous organic solid waste according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing the positions of the main structural units in the uniform distribution type feeding pyrolysis system for viscous organic solid wastes shown in FIG. 1;
FIG. 3 is a schematic structural view of the pair of roller type extrusion feeding apparatus shown in FIG. 1;
FIG. 4 is a schematic structural view of a guide rail of the pair of roller type extrusion feeding apparatus shown in FIG. 3;
[ main component symbol description ]
1-a storage bin; 11-a bin sloping plate; 2-a screw feeder; 21-a feeding section; 22-a sealing section; 23-a discharging section;
3-a pair of roller type extrusion feeding devices; 31-a roll shaft; 32-concave guide rails; 33-a male guide rail; 34-a scraper; 35-a baffle; 4-a chain plate pyrolysis unit; and 41-chain plate.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Aiming at the existing problems, the invention provides the uniform distribution type feeding pyrolysis system for the viscous organic solid waste, which has the advantages of compact design and simple operation and maintenance, can realize uniform and stable feeding of the viscous organic solid waste, and effectively improves the pyrolysis efficiency.
In order to implement the above technical solution, as shown in fig. 1 to 4, an embodiment of the present invention provides a uniform feeding pyrolysis system for viscous organic solid waste, including a silo 1, a screw feeder 2, a pair-roller type extrusion feeding device 3, and a chain plate type pyrolysis device 4; wherein:
the bin is used for storing materials, and the bottom of the bin is provided with a bin inclined plate 11 to form a conical outlet, so that the materials can fall down conveniently; the three spiral feeders 2 are horizontally arranged below a discharge port at the bottom of the storage bin in parallel, each spiral feeder 2 comprises a feeding section 21, a sealing section 22 and a discharging section 23, the feeding section 21 penetrates through the bottom of the storage bin, so that materials are stirred by spiral blades conveniently, the bonding and bridging phenomenon of the materials is avoided, the sealing section 22 is horizontally connected to the rear end of the feeding section 21, air is prevented from entering a pyrolysis reactor behind the device, the anaerobic environment of pyrolysis is ensured, the discharging section 23 is vertically connected with the sealing section 22 and communicated with a double-roller type extrusion feeding device; the double-roller type extrusion feeding device is provided with a cylinder body with an upper opening and a lower opening, the upper opening of the cylinder body is communicated with the discharging section 23 of the spiral feeder, and the lower opening of the cylinder body is communicated with the chain plate type pyrolysis device and comprises two roller shafts 31, a concave guide rail 32, a convex guide rail 33, a scraper 34 and a baffle 35 which are arranged in parallel; the four groups of concave guide rails and the four groups of convex guide rails are in one-to-one correspondence and are respectively fixed on the circumferences of the two roll shafts at intervals, the corresponding concave guide rails and the corresponding convex guide rails are mutually clamped, and the roll shafts are divided into three areas corresponding to the discharge sections of the three spiral feeders; the scraping plates are symmetrically arranged below the roll shaft, one end of each scraping plate is fixed on the inner wall of the cylinder body below the roll shaft, and the other end of each scraping plate props against the lower part of the roll shaft; the baffle plates are symmetrically arranged above the roll shaft, one end of each baffle plate is fixed on the inner wall of the cylinder above the roll shaft, and the other end of each baffle plate props against the upper part of the roll shaft; the chain plate type pyrolysis device is arranged below the double-roller type extrusion feeding device and comprises a chain plate, and the starting end of the chain plate is aligned with the lower outlet of the cylinder of the double-roller type extrusion feeding device.
The specific use mode of the above-mentioned useless equipartition formula feeding pyrolysis system of viscidity organic solid is as follows:
fatlute, during the feed bin is sent into to viscous material such as mud through the external world, then fall into the screw feeder along the feed bin swash plate, the material forms the material post at the seal segment under helical blade's promotion, thereby isolated feed bin inside air current plays sealed effect, then the material post continues to move to the screw feeder export under helical blade promotes, and fall into the gap between the roll-type extrusion feed arrangement roller under the action of gravity, then evenly fall into pyrolysis device's link joint behind the extrusion extension of pair roller, and the baffle of roller top can prevent that the material from falling into the blind spot between roller and the vertical wall of barrel, the material of adhesion at the roller wall then can be cleared up to the scraper blade of roller below, thereby realize feed arrangement's self-cleaning.
In the description of the present invention, the terms "in", "upper", "lower", "left", "right", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and should not be construed as limiting the present invention; the term "coupled", unless expressly stated or limited otherwise, is to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A uniformly-distributed feeding pyrolysis system for viscous organic solid waste is characterized by comprising a storage bin (1), a spiral feeder (2), a double-roller type extrusion feeding device (3) and a chain plate type pyrolysis device (4); wherein:
a bin inclined plate (11) is arranged at a discharge outlet at the bottom of the bin (1) to form a conical outlet;
the screw feeder (2) comprises a feeding section (21), a sealing section (22) and a discharging section (23), the feeding section (21) is arranged below a discharge hole at the bottom of the storage bin (1), the sealing section (22) is horizontally connected to the rear end of the feeding section (21), feeding screws are arranged in the feeding section (21) and the sealing section (22), the discharging section (23) is connected with the sealing section (22) in the vertical direction, and the discharging section (23) is communicated with the double-roller type extrusion feeding device (3);
the double-roller type extrusion feeding device (3) is provided with a cylinder body with an upper opening and a lower opening, the upper opening of the cylinder body is communicated with the discharging section (23) of the screw feeder (2), and the lower opening of the cylinder body is communicated with the chain plate type pyrolysis device (4); the cylinder comprises two roll shafts (31), concave guide rails (32), convex guide rails (33), scrapers (34) and baffles (35) which are arranged in parallel; the concave guide rails (32) and the convex guide rails (33) are correspondingly and respectively fixed on the circumferences of the two roll shafts (31) at intervals one by one, and the corresponding concave guide rails (32) and the corresponding convex guide rails (33) are clamped with each other; one end of the scraper (34) is fixed on the inner wall of the cylinder body below the roll shaft (31), and the other end of the scraper props against the lower part of the roll shaft (31); one end of the baffle (35) is fixed on the inner wall of the cylinder above the roll shaft (31), and the other end of the baffle props against the upper part of the roll shaft (31);
the chain plate type pyrolysis device (4) is arranged below the double-roller type extrusion feeding device (3) and comprises a chain plate (41), and the starting end of the chain plate (41) is aligned with the lower opening of the cylinder of the double-roller type extrusion feeding device (3).
2. The uniform distribution type feeding pyrolysis system for viscous organic solid wastes according to claim 1, wherein the inclination angle of the bin inclined plate (11) relative to the horizontal direction is 45-75 °.
3. The uniform distribution type feeding pyrolysis system for the viscous organic solid wastes according to claim 1, wherein the number of the screw feeders (2) is not less than 2, the feeding section (21) penetrates through a storage bin, the length of the sealing section (22) is not less than two screw pitches of the feeding screw, and the gap between the sleeve of the sealing section (22) and the blade of the feeding screw is not more than 2 mm.
4. The uniform distribution type feeding pyrolysis system for viscous organic solid wastes according to claim 1, wherein two roll shafts (31) rotate oppositely from top to bottom.
5. The uniform distribution type feeding pyrolysis system for the viscous organic solid wastes according to claim 1, wherein the concave guide rails (32) and the convex guide rails (33) are respectively arranged in at least 3 groups.
6. The uniform distribution type feeding and pyrolyzing system for viscous organic solid wastes according to claim 1, wherein the included angle between the scraper (34) and the vertical wall surface of the cylinder of the double-roller type extrusion feeding device (3) is 30-60 degrees.
7. The uniform distribution type feeding pyrolysis system for the viscous organic solid wastes according to claim 1, wherein an included angle between the baffle plate (35) and a vertical wall surface of a cylinder of the double-roll extrusion feeding device (3) is 30-60 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110073079.0A CN112830655A (en) | 2021-01-20 | 2021-01-20 | Sticky organic solid waste uniform distribution type feeding pyrolysis system |
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| CN202110073079.0A CN112830655A (en) | 2021-01-20 | 2021-01-20 | Sticky organic solid waste uniform distribution type feeding pyrolysis system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2158574A1 (en) * | 1994-01-18 | 1995-07-20 | Bart T. Lynam | Sludge treatment system |
| KR100695457B1 (en) * | 2006-02-21 | 2007-03-16 | 한밭대학교 산학협력단 | Preparation for the clean reforming gas and recycling vitrification materials from the waste oil and sludge containing and equipment thereof |
| CN106430892A (en) * | 2016-10-20 | 2017-02-22 | 中海油能源发展股份有限公司北京安全环保工程技术研究院 | Oily sludgestepwisecontinuous pyrolysis and energy supplying integration method and device |
| CN106630539A (en) * | 2017-01-18 | 2017-05-10 | 成都天润泽环保科技有限公司 | Low-temperature drying device for sludge |
| CN109231736A (en) * | 2018-08-29 | 2019-01-18 | 玉林市凯政环保科技有限公司 | A kind of sludge proportioner |
| CN111040790A (en) * | 2019-12-20 | 2020-04-21 | 湖南华仁宏顺科技有限公司 | Organic solid waste pyrolysis device and pyrolysis method |
| CN111635774A (en) * | 2020-04-22 | 2020-09-08 | 生态环境部华南环境科学研究所 | Multistage pyrolysis device of agricultural organic solid waste |
-
2021
- 2021-01-20 CN CN202110073079.0A patent/CN112830655A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2158574A1 (en) * | 1994-01-18 | 1995-07-20 | Bart T. Lynam | Sludge treatment system |
| KR100695457B1 (en) * | 2006-02-21 | 2007-03-16 | 한밭대학교 산학협력단 | Preparation for the clean reforming gas and recycling vitrification materials from the waste oil and sludge containing and equipment thereof |
| CN106430892A (en) * | 2016-10-20 | 2017-02-22 | 中海油能源发展股份有限公司北京安全环保工程技术研究院 | Oily sludgestepwisecontinuous pyrolysis and energy supplying integration method and device |
| CN106630539A (en) * | 2017-01-18 | 2017-05-10 | 成都天润泽环保科技有限公司 | Low-temperature drying device for sludge |
| CN109231736A (en) * | 2018-08-29 | 2019-01-18 | 玉林市凯政环保科技有限公司 | A kind of sludge proportioner |
| CN111040790A (en) * | 2019-12-20 | 2020-04-21 | 湖南华仁宏顺科技有限公司 | Organic solid waste pyrolysis device and pyrolysis method |
| CN111635774A (en) * | 2020-04-22 | 2020-09-08 | 生态环境部华南环境科学研究所 | Multistage pyrolysis device of agricultural organic solid waste |
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