Biological aviation kerosene raw material pretreatment device
By using annular baffles or spiral guides to guide steam flow in the bio-jet fuel pretreatment unit, the problems of steam turbulence and insufficient contact surface area are solved, achieving uniform heating of the inner liner and improved flow efficiency, thus ensuring efficient pretreatment of bio-jet fuel.
Patent Information
- Application Number
- CN202520171332.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-26
AI Technical Summary
In existing bio-jet fuel pretreatment devices, steam is prone to turbulence and has a limited contact surface area, which affects heating efficiency and flow efficiency.
Multiple annular baffles or spiral guides are used to guide the steam flow in the heating chamber, increasing the contact surface area between the steam and the inner liner and forming an orderly flow trajectory, thereby improving heating uniformity and smooth flow.
This achieves uniform heating of the inner liner and smooth steam flow, improving heating efficiency and flow rate, and ensuring efficient pretreatment of bio-jet fuel raw materials.
Smart Images

Figure CN223805055U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to biological aviation kerosene technical field especially relates to a biological aviation kerosene raw material pretreatment device. BACKGROUND
[0002] Biological aviation kerosene raw material refers to the aviation kerosene that renewable resources are used as production raw materials, and the main sources of raw materials include catering waste oil, animal and vegetable oils, forestry waste and the like, and the metal ions in waste are more, and the normal operation of the engine is affected by the aviation kerosene produced, so the metal ions in the raw material need to be removed.
[0003] The prior art discloses an enzyme reaction tank for pretreating waste animal and vegetable oils by enzyme method to produce biological aviation kerosene raw material, the enzyme reaction tank is connected to the acid reaction tank, the tank wall of the enzyme reaction tank adopts a three-layer structure, the inner layer is a reaction chamber, a heating chamber is formed between the inner layer and the middle layer, and a vacuum heat preservation chamber is formed between the middle layer and the outer layer, the reaction chamber is connected to an oil input pipe connected to the acid reaction tank, an oil output pipe and a residue discharge pipe, the heating chamber is connected to a steam input pipe and a steam output pipe, and the reaction chamber is also connected to a circulation pipe.
[0004] In the prior art, the material is heated by using steam to heat the inner container through the design of the multilayer structure, but the steam flows in the space between the layers without guidance, which is easy to form turbulent flow, and is not conducive to the flow of steam in the space between the layers, and the outer wall of the inner container, i.e. the contact surface area, is small, and there is a certain optimization space.
[0005] Therefore, we propose a biological aviation kerosene raw material pretreatment device. UTILITY MODEL CONTENTS
[0006] The utility model mainly solves the technical problem that the steam is easy to form turbulent flow and the contact surface area is limited, and provides a biological aviation kerosene raw material pretreatment device.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a biological aviation kerosene raw material pretreatment device, comprising:
[0008] The shell is internally fixed with a heat preservation layer and an inner container, a vacuum cavity for heat preservation is formed between the heat preservation layer and the shell, a heating cavity for heating is formed between the heat preservation layer and the inner container, and a steam pipe extending into the heating cavity is fixedly installed on the outside of the shell;
[0009] The spacer assembly is arranged in the heating cavity for the inner container to contact the steam and guide the steam.
[0010] As a preferred mode of the utility model, the spacing assembly is a plurality of baffles arranged in the heating cavity, the baffles are fixedly connected with the heat preservation layer and the inner container, a buffer cavity is formed between two adjacent baffles, and a communication groove is formed in the end of each baffle.
[0011] As a preferred mode of the utility model, the baffle forms an annular plate, the outer circumferential surface of the baffle is fixedly connected with the inner wall of the heat preservation layer, and the inner circumferential surface of the baffle is fixedly connected with the outer wall of the inner container.
[0012] As a preferred mode of the utility model, the communication groove forms a rectangular groove, the communication groove penetrates the baffle, and the communication grooves of two adjacent baffles are distributed in a staggered manner.
[0013] As a preferred mode of the utility model, the spacing assembly is a flow guide arranged in the heating cavity, the flow guide is fixedly connected with the heat preservation layer and the inner container, and the flow guide divides the heating cavity into a spiral channel.
[0014] As a preferred mode of the utility model, the flow guide forms a spiral plate, the outer spiral surface of the flow guide is fixedly connected with the inner wall of the heat preservation layer, and the inner spiral surface of the flow guide is fixedly connected with the outer wall of the inner container.
[0015] As a preferred mode of the utility model, the outer wall of the shell is fixedly provided with two steam pipes, one of the steam pipes is arranged close to the top of the shell, and the other steam pipe is arranged close to the bottom of the shell.
[0016] As a preferred mode of the utility model, the top of the shell is fixedly provided with a feeding pipe for feeding, the top of the shell is fixedly provided with a stirring motor, and the bottom of the shell is fixedly provided with a discharging pipe for discharging.
[0017] Beneficial effects
[0018] The utility model provides a kind of biological aviation coal raw material pretreatment device.It has the following beneficial effects:
[0019] 1. The biological aviation coal raw material pretreatment device is cut off by arranging multiple annular baffles, steam flows from top to bottom, is guided by multiple baffles and increases the contact surface area of steam and inner container, improves the heating effect of steam on inner container, makes the heating of inner container more uniform, steam flows more smoothly, and the communication groove is used for the flow of steam in the buffer cavity between two baffles, the horizontal included angle of two adjacent communication grooves can be one hundred and eighty degrees, so that steam guided by multiple baffles forms a bending flow trajectory, and the length of the flow trajectory of steam is also extended to improve the heating effect of steam on inner container.
[0020] 2. The biological aviation coal raw material pretreatment device, by setting spiral guide body, by guide body guide steam from top to bottom flow, and then steam will form spiral flow track, on the basis of guaranteeing that steam and inner bag have sufficient contact surface area, can also guarantee that steam flows smoothly in the heating cavity, and then the resistance of steam flowing in the heating cavity will be smaller, improve the flow rate of steam, and take into account the heating effect and flow speed of steam. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is overall perspective view of the utility model;
[0022] Figure 2 It is schematic diagram of internal structure of shell of the utility model;
[0023] Figure 3 It is three-dimensional view of heat preservation layer and inner bag of the utility model;
[0024] Figure 4 It is installation view of baffle and inner bag of the utility model;
[0025] Figure 5 It is installation schematic diagram of guide body and inner bag of the utility model.
[0026] Legend: 10, shell;11, heat preservation layer;12, inner bag;13, heating cavity;14, vacuum cavity;15, steam pipe;20, baffle;21, communication groove;30, guide body. DETAILED DESCRIPTION
[0027] A biological aviation coal raw material pretreatment device, as shown in Figure 1 and Figure 2 It comprises:
[0028] Shell 10, the inside of shell 10 is fixed with heat preservation layer 11 and inner bag 12, the vacuum cavity 14 for heat preservation is formed between heat preservation layer 11 and shell 10, the heating cavity 13 for heating is formed between heat preservation layer 11 and inner bag 12, the steam pipe 15 extending into the heating cavity 13 is fixedly installed on the outside of shell 10, two steam pipes 15 are fixedly installed on the outer wall of shell 10, one steam pipe 15 is close to the top of shell 10, and the other steam pipe 15 is close to the bottom of shell 10, the injection pipe for feeding is fixedly installed on the top of shell 10, the stirring motor is fixedly installed on the top of shell 10, and the discharge pipe for discharging is fixedly installed on the bottom of shell 10;
[0029] The shell 10, the heat preservation layer 11 and the inner container 12 are all cylindrical structures, the top end and the bottom end of the shell 10 are sealed, a pressure gauge is fixedly installed on the top of the shell 10, the output shaft of the stirring motor is fixedly installed with a stirring rod, and a slag discharge pipe is fixedly installed on the bottom of the shell 10; the material is sent into the cavity of the inner container 12 by connecting the charging pipe with the acid reaction tank and using a pump, the material is stirred by the stirring motor, and the metal ions in the material are reacted to form chelates by adding catalysts, so that the metal ions in the biological raw material are pretreated; the steam pipe 15 is connected with a steam source such as a boiler, the steam is sent into the heating cavity 13 by the steam pipe 15 to heat the inner container 12 to promote the reaction, and the vacuum cavity 14 is used for heat preservation of the heat preservation layer 11 and the inner container 12; the reaction process and the control method have been disclosed in detail in the prior art, and will not be repeated here.
[0030] The spacing assembly is arranged in the heating cavity 13 and is used for contacting the inner container 12 with steam and guiding the steam.
[0031] In example one, as shown in Figure 2 , Figure 3 and Figure 4 , the spacing assembly is a plurality of baffles 20 arranged in the heating cavity 13, the baffles 20 are fixedly connected with the heat preservation layer 11 and the inner container 12, a buffer cavity is formed between two adjacent baffles 20, a communication groove 21 is formed in the end of each baffle 20, two adjacent buffer cavities are communicated through the communication grooves 21, the baffles 20 form annular plates, the outer circumferential surface of the baffle 20 is fixedly connected with the inner wall of the heat preservation layer 11, and the inner circumferential surface of the baffle 20 is fixedly connected with the outer wall of the inner container 12; the communication groove 21 forms a rectangular groove, the communication groove 21 penetrates the baffle 20, and the communication grooves 21 of two adjacent baffles 20 are distributed in a staggered manner.
[0032] In this scheme, considering that the steam lacks guidance after being sent into the heating cavity 13, which can easily form turbulent flow, affecting the heating effect of the steam on the inner container 12, and also affecting the discharge of the steam from the heating cavity 13, the heating cavity 13 is divided by arranging a plurality of annular baffles 20, the steam flows from top to bottom, is guided by the plurality of baffles 20 and increases the contact surface area of the steam with the inner container 12, thereby improving the heating effect of the steam on the inner container 12, making the heating of the inner container 12 more uniform, and the steam flow more smooth; the communication groove 21 is used for the flow of the steam in the buffer cavity between two baffles 20, the horizontal included angle between two adjacent communication grooves 21 can be one hundred and eighty degrees, and then the steam guided by the plurality of baffles 20 forms a bending flow track, and the lengthening of the flow track of the steam can also improve the heating effect of the steam on the inner container 12.
[0033] In example two, as shown in Figure 2 , Figure 3 and Figure 5As shown, the spacing assembly is a flow guide 30 arranged in the heating cavity 13, the flow guide 30 is fixedly connected with the heat preservation layer 11 and the inner container 12, the flow guide 30 divides the heating cavity 13 to form a spiral channel, the flow guide 30 forms a spiral plate, the outer spiral surface of the flow guide 30 is fixedly connected with the inner wall of the heat preservation layer 11, and the inner spiral surface of the flow guide 30 is fixedly connected with the outer wall of the inner container 12;
[0034] In the scheme, as optimization and improvement of the above scheme, by arranging the spiral flow guide 30, the steam is guided to flow from top to bottom by the flow guide 30, and then the steam forms a spiral flow track, on the basis of guaranteeing that the steam has sufficient contact surface area with the inner container 12, the steam can also be guaranteed to flow smoothly in the heating cavity 13, and then the resistance of the steam flowing in the heating cavity 13 is smaller, the steam flow rate is improved, and the heating effect and the flow speed of the steam are considered.
[0035] The working principle of the utility model discloses: the shell 10, the heat preservation layer 11 and the inner container 12 are all cylindrical structure, the top and bottom of the shell 10 are sealed, the top of the shell 10 is also fixedly installed with air pressure gauge, the output shaft of stirring motor is fixedly installed with stirring rod, the bottom of the shell 10 is also fixedly installed with slag discharge pipe, by connecting the injection pipe with acid reaction tank, material is sent into the inner container 12 cavity by pump, the material is stirred by stirring motor, and catalyst is added to make metal ions in the material react to form chelate, realize the pretreatment of metal ions in biological raw material, the steam pipe 15 is connected with steam source,
[0036] By arranging a plurality of annular partitions 20, the heating cavity 13 is divided, the steam flows from top to bottom, the contact surface area of the steam and the inner container 12 is guided and increased by the plurality of partitions 20, or the spiral flow guide 30 is arranged, the steam is guided to flow from top to bottom by the flow guide 30, and then the steam forms a spiral flow track.
[0037] After the enzymatic biochemical reaction of animal and vegetable oils, non-metal anions in the form of organic colloid are removed, then metal cations and organic colloid form chelate and are removed, visible impurities are formed, the chelate can be filtered by filtering, and the pretreatment of raw materials is realized.
[0038] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A bio-jet fuel pretreatment device, characterized in that, The utility model relates to a steam heating device, including: An outer shell (10) has a heat preservation layer (11) and an inner container (12) fixed inside, a vacuum cavity (14) for heat preservation is formed between the heat preservation layer (11) and the outer shell (10), a heating cavity (13) for heating is formed between the heat preservation layer (11) and the inner container (12), and a steam pipe (15) extending into the heating cavity (13) is fixedly installed on the outside of the outer shell (10); A spacer assembly is arranged in the heating cavity (13) for the inner container (12) to contact and guide steam.
2. The device for pretreatment of raw materials for bio-jet fuel according to claim 1, characterized in that: The spacer assembly is a plurality of baffles (20) arranged in the heating cavity (13), the baffles (20) are fixedly connected with the heat preservation layer (11) and the inner container (12), a buffer cavity is formed between two adjacent baffles (20), a communication groove (21) is formed at the end of each baffle (20), and two adjacent buffer cavities are communicated through the communication grooves (21).
3. The device for pretreatment of raw materials for bio-jet fuel according to claim 2, characterized in that: The baffle (20) forms an annular plate, the outer circumferential surface of the baffle (20) is fixedly connected with the inner wall of the heat preservation layer (11), and the inner circumferential surface of the baffle (20) is fixedly connected with the outer wall of the inner container (12).
4. The device for pretreatment of raw materials for bio-jet fuel according to claim 2, characterized in that: The communication groove (21) forms a rectangular groove, the communication groove (21) penetrates the baffle (20), and the communication grooves (21) of two adjacent baffles (20) are distributed in a staggered manner.
5. The biological syngas feedstock pretreatment device of claim 1, wherein: The spacer assembly is a flow guide body (30) arranged in the heating cavity (13), the flow guide body (30) is fixedly connected with the heat preservation layer (11) and the inner container (12), and the flow guide body (30) divides the heating cavity (13) to form a spiral channel.
6. The device for pretreatment of bio-jet fuel feedstock according to claim 5, characterized in that: The flow guide body (30) forms a spiral plate, the outer spiral surface of the flow guide body (30) is fixedly connected with the inner wall of the heat preservation layer (11), and the inner spiral surface of the flow guide body (30) is fixedly connected with the outer wall of the inner container (12).
7. The biological syngas feedstock pretreatment device of claim 1, wherein: The outer wall of the outer shell (10) is fixedly installed with two steam pipes (15), one of the steam pipes (15) is close to the top of the outer shell (10), and the other steam pipe (15) is close to the bottom of the outer shell (10).
8. The biological syngas feedstock pretreatment device of claim 1, wherein: A feeding pipe for feeding is fixedly installed on the top of the outer shell (10), a stirring motor is fixedly installed on the top of the outer shell (10), and a discharging pipe for discharging is fixedly installed on the bottom of the outer shell (10).