CN211035807U - Oxygen discharge feeding device and cracking equipment - Google Patents
Oxygen discharge feeding device and cracking equipment Download PDFInfo
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- CN211035807U CN211035807U CN201921673244.0U CN201921673244U CN211035807U CN 211035807 U CN211035807 U CN 211035807U CN 201921673244 U CN201921673244 U CN 201921673244U CN 211035807 U CN211035807 U CN 211035807U
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Abstract
The application discloses arrange oxygen material feeding unit and pyrolysis equipment, wherein, arrange oxygen material feeding unit and include: the feeding barrel is provided with a feeding hole and a discharging hole; the conveying helical blade is coaxially and rotationally arranged in the feeding cylinder, and the pitch of the conveying helical blade is sequentially reduced along the direction from the feeding hole to the discharging hole, so that the conveying helical blade is used for compressing materials and discharging oxygen while conveying the materials; the driving component is in driving connection with the conveying spiral blade; and the gas locking component is arranged at the discharge port and used for discharging gas in the feeding cylinder and isolating external gas. The material accomplishes the oxygen extraction simultaneously at oxygen extraction material feeding unit's transportation process, can realize with the seamless connection of the pyrolysis reaction of outside pyrolysis equipment, compare in traditional split type oxygen extraction preliminary treatment and special pay-off passageway, realized the material oxygen extraction of continuity and sealed pay-off, improved material handling capacity, shortened processing cycle, reduced energy consumption and investment cost.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, in particular to oxygen discharging and feeding device. The utility model discloses still relate to a pyrolysis equipment who contains this row of oxygen material feeding unit.
Background
In the field of organic matter cracking technology, most cracking equipment usually needs to perform cracking reaction under oxygen-free or reducing conditions to effectively reduce and avoid the generation of harmful substances such as dioxin. In order to meet the anaerobic cracking conditions, the materials are usually pretreated, and oxygen discharge and sealing are completed in a pretreatment cavity.
In the prior technical scheme, the oxygen discharge pretreatment and the cracking process are basically split, namely, the pretreatment and oxygen discharge are sealed, then the oxygen is sent into a cracking cavity through a specific channel, and a one-way valve or other sealing mechanisms are used for isolating oxygen; and the oxygen discharging mode adopted in the oxygen discharging pretreatment process mainly comprises vacuum pumping, inert gas injection, water sealing, water vapor flooding and the like. The feeding process is necessarily intermittent or staged, and the problems of small treatment capacity, long treatment period, high energy consumption, high investment cost and the like are caused.
In conclusion, how to realize continuous material oxygen discharge and sealed feeding becomes a problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an oxygen discharging and feeding device to realize the material oxygen discharging and the sealed pay-off of continuity.
Another object of the utility model is to provide a cracking equipment who contains this row of oxygen material feeding unit to realize the material row's of continuity oxygen and sealed pay-off.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an oxygen discharge and feeding device, comprising:
the feeding barrel is provided with a feeding hole and a discharging hole;
the conveying helical blade is coaxially and rotationally arranged in the feeding cylinder, and the pitch of the conveying helical blade is sequentially reduced along the direction from the feeding hole to the discharging hole, so that the conveying helical blade is used for compressing materials and discharging oxygen while conveying the materials;
the driving component is in driving connection with the conveying spiral blade;
and the gas locking component is arranged at the discharge port and used for discharging gas in the feeding cylinder and isolating external gas.
Preferably, in the above oxygen discharging and feeding device, the conveying helical blade is of a segmented structure or a continuous structure along the axial direction.
Preferably, in the above oxygen discharging and feeding device, the pitch of the conveying helical blade is continuously decreased in the direction from the feeding hole to the discharging hole.
Preferably, in the above oxygen discharging and feeding device, the pitch of the conveying helical blade decreases stepwise along the direction from the feeding hole to the discharging hole.
Preferably, in the above oxygen discharging and feeding device, the interior of the feeding cylinder is sequentially divided into a pre-pressurizing conveying section, a limit pressurizing section and a pressure maintaining conveying section through the conveying helical blade along the direction from the feeding port to the discharging port, the pressures of the pre-pressurizing conveying section, the pressurizing conveying section and the limit pressurizing section are gradually increased, and the pressures of the pressure maintaining conveying section and the limit pressurizing section are equal.
Preferably, in the above oxygen discharging and feeding device, the device further comprises a feeding control system, and a pressure sensor and an oxygen content rate sensor which are arranged in the feeding cylinder, wherein the feeding control system controls the feeding speed of the feeding hole according to the pressure detected by the pressure sensor and the oxygen content rate detected by the oxygen content rate sensor.
Preferably, in the above oxygen discharging and feeding device, the oxygen discharging and feeding device further includes a heating component disposed on an outer wall of the feeding cylinder, the heating component is configured to heat an internal temperature of the feeding cylinder, and the internal temperature of the feeding cylinder increases progressively along a direction from the feeding port to the discharging port.
Preferably, in foretell oxygen discharging material feeding unit, still include set up in temperature sensor and humidity transducer in the pay-off barrel, temperature sensor with humidity transducer all with feeding control system connects, feeding control system is according to the temperature that temperature sensor detected and the humidity that humidity transducer detected control the input speed and the quality of feed inlet.
Preferably, in the above oxygen discharging and feeding device, at least a part of the spiral section of the conveying spiral blade is provided with a heat insulating layer.
The utility model also provides a cracking equipment, including cylinder and feed arrangement, be provided with the schizolysis chamber in the cylinder, feed arrangement set up in the feed end of cylinder, feed arrangement is as above arbitrary the row's oxygen material feeding unit, row's oxygen material feeding unit's discharge gate pass through the lock gas part with the feed port intercommunication of cylinder.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an oxygen discharging and feeding device, which comprises a feeding barrel, a conveying helical blade, a driving part and an air locking part, wherein the feeding barrel is provided with a feeding hole and a discharging hole; the conveying helical blades are coaxially and rotationally arranged in the feeding cylinder, and the screw pitches of the conveying helical blades are sequentially reduced along the direction from the feeding hole to the discharging hole, so that the conveying helical blades are used for compressing materials and discharging oxygen while conveying the materials; the driving part is in driving connection with the conveying helical blade; the gas locking component is arranged at the discharge port and used for discharging gas in the feeding cylinder and isolating external gas.
This oxygen discharging feeding device during operation, the material gets into the pay-off barrel from the feed inlet, the drive part drive is carried helical blade and is rotated, the material is constantly impeld to the discharge gate direction under the unidirectional rotation effect of carrying helical blade, at propulsive in-process, because the pitch of carrying helical blade reduces in proper order, thereby make the material compress in transportation process, constantly extrude the oxygen in the material space, accomplish the oxygen discharging operation, the gas of extruding passes through the lock gas part discharge of discharge gate department, and the material after the oxygen discharging is carried away from the discharge gate. Therefore, the materials are simultaneously discharged in the conveying process of the oxygen discharge and feeding device, the seamless connection of the cracking reaction of the materials and an external cracking device can be realized, compared with the traditional split oxygen discharge pretreatment and special feeding channel, the continuous material oxygen discharge and sealed feeding are realized, the material processing capacity is improved, the processing period is shortened, and the energy consumption and the investment cost are reduced.
The utility model also provides a pyrolysis equipment who contains this row of oxygen material feeding unit, consequently, the material accomplishes row's oxygen simultaneously in row's oxygen material feeding unit's transportation process, can realize the seamless connection with pyrolysis equipment's cleavage reaction, compare in traditional split type row's oxygen preliminary treatment and the independent pay-off of special pay-off passageway, realized the material row's of continuity oxygen and sealed pay-off, improved material handling capacity, shortened processing cycle, reduced energy consumption and investment cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of an oxygen discharge and feeding device provided in an embodiment of the present invention;
FIG. 2 is a side schematic view of FIG. 1;
FIG. 3 is a schematic view showing the pitch distribution of the conveying helical blades of an oxygen discharge and feed device provided in the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a cracking apparatus provided by an embodiment of the present invention.
Wherein, 1 is a driving part, 2 is a feed inlet, 3 is a feeding cylinder, 4 is a conveying helical blade, 5 is an air locking part, 6 is a roller, 61 is a feed port, A is a pre-pressurizing conveying section, B is a heating conveying section, C is a limit pressurizing section, and D is a pressure maintaining conveying section.
Detailed Description
The core of the utility model is to provide an oxygen discharging and feeding device, which realizes the continuous material oxygen discharging and sealed feeding.
The utility model also provides a pyrolysis equipment who contains this row of oxygen material feeding unit, realized the material row's of continuity oxygen and sealed pay-off.
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.
Referring to fig. 1-4, an embodiment of the present invention provides an oxygen discharging and feeding device, which includes a feeding cylinder 3, a conveying helical blade 4, a driving component 1, and an air locking component 5; wherein, the feeding cylinder 3 is provided with a feeding hole 2 and a discharging hole; the conveying helical blade 4 is formed by a sector spiral, the center of the conveying helical blade is closed, the conveying helical blade and the feeding cylinder are coaxially and rotatably arranged in the feeding cylinder 3, the pitch of the conveying helical blade 4 is sequentially reduced along the direction from the feeding hole 2 to the discharging hole, and the conveying helical blade is used for compressing materials and discharging oxygen while conveying the materials; the driving part 1 is preferably a driving motor or a hydraulic motor, and the driving part 1 is in driving connection with the conveying helical blade 4; the gas locking component 5 is arranged at the discharge port and used for discharging gas in the feeding cylinder 3 and isolating external gas, and the gas locking component 5 adopts a common gas locking mechanism in the market and is not described herein any more.
This oxygen discharging feeding device during operation, the material gets into pay-off barrel 3 from feed inlet 2, 4 unidirectional rotation of drive unit 5 drive conveying helical blade, the material is constantly impeld to the discharge gate direction under the unidirectional rotation effect of conveying helical blade 4, at propulsive in-process, because the pitch of conveying helical blade 4 reduces in proper order, make conveying helical blade 4 and pay-off barrel 3 enclose into the space in confined spiral chamber and diminish, thereby make the material constantly compressed in transportation process, constantly extrude the oxygen in the material space, accomplish the oxygen discharging operation, the gas of extruding is discharged through lock gas part 5 of discharge gate department, and the material after the oxygen discharging is carried away from the discharge gate.
Therefore, the materials are simultaneously discharged in the conveying process of the oxygen discharge and feeding device, the seamless connection of the cracking reaction of the materials and an external cracking device can be realized, and compared with the traditional split type oxygen discharge pretreatment and the independent feeding of a special feeding channel, the continuous material oxygen discharge and sealed feeding are realized, the material treatment capacity is improved, the treatment period is shortened, and the energy consumption and the investment cost are reduced.
Further, in this embodiment, the conveying helical blade 4 is of an axially segmented structure, or may be of a continuous structure, and if the conveying helical blade is of an axially segmented structure, the conveying helical blades are connected by flanges; the outer edge of the conveying helical blade 4 is in clearance fit with the inner wall of the feeding cylinder 3, and a helical cavity is formed between the conveying helical blade 4 and the feeding cylinder 3. Wherein, the axial sectional structure of the conveying helical blade 4 can facilitate the processing of the conveying helical blade 4.
In this embodiment, the pitch of the conveying helical blade 4 is continuously decreased in the direction from the feeding port 2 to the discharging port, that is, the pitch of the conveying helical blade 4 is linearly decreased along the axial line, so that the material is gradually compressed under the screw pushing of the conveying helical blade 4. Of course, the pitch of the conveying screw 4 may also decrease in a non-linear manner in the axial direction.
Or, in this embodiment, the pitch of the conveying helical blade 4 decreases stepwise along the direction from the feed inlet 2 to the discharge outlet, that is, the conveying helical blade 4 is composed of a plurality of equidistant helical segments with different pitch values, and the pressure borne by the material decreases stepwise when passing through the helical segments of each segment. So set up, the convenient judgement to the material extrusion force. The pitch descending gradient of the oxygen discharging and feeding device is determined by the material pore volume of the feeding port 2 and the length of the feeding cylinder 3, the larger the material pore volume of the feeding port 2 is, the larger the pitch descending gradient is, and the longer the length of the feeding cylinder 3 is, the smaller the pitch descending gradient is.
As shown in fig. 3, in the present embodiment, the interior of the feeding cylinder 3 is sequentially divided into a pre-pressurizing conveying section a, a pressurizing conveying section B, a limit pressurizing section C and a pressure maintaining conveying section D by the conveying helical blade 4 along the direction from the feeding port 2 to the discharging port, wherein the pressures of the pre-pressurizing conveying section a, the pressurizing conveying section B and the limit pressurizing section C are gradually increased, and the pressures of the pressure maintaining conveying section D and the limit pressurizing section C are equal. The conveying sections with different pressures of the feeding cylinder body 3 are determined according to the different screw pitches of the conveying screw blades 4, and the smaller the screw pitch is, the larger the pressure is. The material enters the feeding barrel 3 from the feeding hole 2, and is sequentially subjected to a pre-pressurizing conveying section A, a pressurizing conveying section B and a limit pressurizing section C to complete the compression and oxygen discharge of the material, and the oxygen discharge state of the material is maintained through a pressure maintaining conveying section D. Preferably, the volume of the spiral cavity of the limit pressurizing section C and/or the pressure maintaining conveying section D is larger than or equal to the total volume of the particles of the material object, so that the material is fully compressed in the spiral cavity of the limit pressurizing section C and/or the pressure maintaining conveying section D, and the gas in the material gap is extruded and discharged as much as possible.
Further, in this embodiment, the oxygen discharging and feeding device further includes a feeding control system, and a pressure sensor and an oxygen content rate sensor which are disposed in the feeding cylinder 3, and the feeding control system controls the feeding speed of the feeding port 2 according to the pressure detected by the pressure sensor and the oxygen content rate detected by the oxygen content rate sensor. The pressurizing and oxygen discharging process is dynamically monitored through the pressure sensor and the oxygen content sensor, and the feeding speed of the feeding port 2 is automatically adjusted through the feeding control system according to a monitoring result. The device can effectively realize continuous oxygen discharge and continuous feeding of materials, and controls the oxygen content of the materials entering the cracking cavity of the cracking equipment to be below 0.5 percent, thereby greatly improving the treatment capacity of the cracking equipment.
Further, in this embodiment, the oxygen discharging and feeding device further includes a heating component, the heating component is used for heating the internal temperature of the feeding cylinder 3, and the internal temperature of the feeding cylinder 3 increases gradually along the direction from the feeding hole 2 to the discharging hole. The dryness and humidity of the materials in the feeding cylinder 3 are controlled by the heating parts. The closer to the discharge hole, the higher the internal temperature of the feeding cylinder 3 is, which is beneficial to heating the compressed material. The heating component is arranged on the outer wall of the feeding cylinder 3. The heating component can adopt electric heating or microwave heating and the like.
More preferably, the temperature difference between the temperature of the feeding cylinder 3 close to the discharge port and the temperature of the feeding cylinder 2 is more than 50 ℃, so that the material is preheated at the feeding port 2, the heating temperature is increased at the compression oxygen discharge section, and the subsequent cracking reaction in a cracking device is facilitated.
Further, in this embodiment, carry helical blade 4 at least partial spiral section to be provided with thermal-insulated heat preservation to carry out thermal-insulated heat preservation to the material, improve the dry heating effect of material.
In this embodiment, oxygen discharging and feeding device is still including setting up temperature sensor and the humidity transducer in pay-off barrel 3, and temperature sensor and humidity transducer all are connected with feeding control system, and feeding control system controls the input speed and the quality of feed inlet 2 according to the temperature that temperature sensor detected and the humidity that humidity transducer detected. According to the monitoring results of the temperature sensor and the humidity sensor, the feeding speed and the dryness of the feeding hole 2 are automatically adjusted through the feeding control system, and the oxygen content of the material entering the cracking cavity is controlled to be below 0.5%.
As shown in fig. 4, based on the oxygen discharging and feeding device described in any of the above embodiments, a cracking apparatus includes a drum 6 and a feeding device, a cracking chamber is provided in the drum 6, and the feeding device is provided at a feeding end of the drum 6, wherein the feeding device is the oxygen discharging and feeding device described in any of the above embodiments, and a discharge port of the oxygen discharging and feeding device is communicated with a feeding port 61 of the drum 6 through an air locking part 5. Preferably, at least the tail end helical blade of the pressure maintaining conveying section D of the oxygen discharge feeding device is positioned in the cracking cavity. So as to ensure seamless connection of material oxygen discharge and feeding and cracking reaction.
Because the cracking equipment adopts the oxygen discharging and feeding device in the application, the materials are simultaneously discharged in the conveying process of the oxygen discharging and feeding device, the seamless connection with the cracking reaction of the cracking equipment can be realized, and compared with the traditional split oxygen discharging pretreatment and the independent feeding of a special feeding channel, the continuous material oxygen discharging and sealed feeding are realized, the material treatment capacity is improved, the treatment period is shortened, and the energy consumption and the investment cost are reduced.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an oxygen discharge material feeding unit which characterized in that includes:
the feeding barrel (3), the feeding barrel (3) is provided with a feeding hole (2) and a discharging hole;
the conveying helical blade (4) is coaxially and rotatably arranged in the feeding cylinder body (3), and the pitch of the conveying helical blade (4) is sequentially reduced along the direction from the feeding hole (2) to the discharging hole, so that the conveying helical blade is used for compressing materials and discharging oxygen while conveying the materials;
the driving component (1) is in driving connection with the conveying spiral blade (4);
and the gas locking component (5) is arranged at the discharge port and used for discharging gas in the feeding cylinder body (3) and isolating external gas.
2. The oxygen extraction and feeding device as claimed in claim 1, wherein the conveying helical blades (4) are of axially segmented or continuous construction.
3. The oxygen discharging and feeding device as claimed in claim 1, wherein the pitch of the conveying helical blade (4) is continuously decreased in the direction from the feeding hole (2) to the discharging hole.
4. The oxygen discharging and feeding device as claimed in claim 1, wherein the pitch of the conveying helical blade (4) decreases stepwise in the direction from the feeding hole (2) to the discharging hole.
5. The oxygen discharging and feeding device according to claim 1, wherein the interior of the feeding cylinder (3) is sequentially divided into a pre-pressurizing conveying section (A), a pressurizing conveying section (B), a limit pressurizing section (C) and a pressure maintaining conveying section (D) by the conveying helical blade (4) along the direction from the feeding port (2) to the discharging port, the pressures of the pre-pressurizing conveying section (A), the pressurizing conveying section (B) and the limit pressurizing section (C) are increased gradually, and the pressures of the pressure maintaining conveying section (D) and the limit pressurizing section (C) are equal.
6. The oxygen discharge feeding device according to claim 1, further comprising a feeding control system and a pressure sensor and an oxygen content rate sensor arranged in the feeding cylinder (3), wherein the feeding control system controls the feeding speed of the feeding hole (2) according to the pressure detected by the pressure sensor and the oxygen content rate detected by the oxygen content rate sensor.
7. The oxygen discharging and feeding device as claimed in claim 6, further comprising a heating element arranged on the outer wall of the feeding cylinder, wherein the heating element is used for heating the internal temperature of the feeding cylinder (3), and the internal temperature of the feeding cylinder (3) increases along the direction from the feeding hole (2) to the discharging hole.
8. The oxygen discharging and feeding device as claimed in claim 7, further comprising a temperature sensor and a humidity sensor arranged in the feeding cylinder (3), wherein the temperature sensor and the humidity sensor are both connected with the feeding control system, and the feeding control system controls the feeding speed and the dryness of the feeding hole (2) according to the temperature detected by the temperature sensor and the humidity detected by the humidity sensor.
9. The oxygen discharge and feeding device according to claim 1, wherein at least part of the spiral section of the conveying spiral blade (4) is provided with a heat insulation layer.
10. A cracking apparatus comprising a drum (6) and a feeding device, wherein a cracking chamber is arranged in the drum (6), the feeding device is arranged at a feeding end of the drum (6), the feeding device is the oxygen discharge feeding device according to any one of claims 1-9, and a discharge port of the oxygen discharge feeding device is communicated with a feeding port (61) of the drum (6) through an air locking part (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673244.0U CN211035807U (en) | 2019-09-30 | 2019-09-30 | Oxygen discharge feeding device and cracking equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673244.0U CN211035807U (en) | 2019-09-30 | 2019-09-30 | Oxygen discharge feeding device and cracking equipment |
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| CN211035807U true CN211035807U (en) | 2020-07-17 |
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| CN201921673244.0U Active CN211035807U (en) | 2019-09-30 | 2019-09-30 | Oxygen discharge feeding device and cracking equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591741A (en) * | 2019-09-30 | 2019-12-20 | 招远市汇潮新能源科技有限公司 | Oxygen discharge feeding device and cracking equipment |
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2019
- 2019-09-30 CN CN201921673244.0U patent/CN211035807U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591741A (en) * | 2019-09-30 | 2019-12-20 | 招远市汇潮新能源科技有限公司 | Oxygen discharge feeding device and cracking equipment |
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