Biodiesel preparation catalyst fixing device
By using multiple sets of uniformly distributed inlet channels and misaligned outlet channels in the biodiesel catalyst preparation fixture, the problems of uneven mixing of reaction materials and difficult to adjust the reaction conditions are solved, and more efficient reaction conversion is achieved.
Patent Information
- Application Number
- CN202421519663.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-06-28
AI Technical Summary
During the preparation of traditional flow bed biodiesel, the reaction materials are mixed unevenly and it is difficult to finely adjust the reaction conditions, which affects the reaction efficiency.
Using a uniformly distributed group of inlet channels and a misaligned outlet channel design, the flow rate and concentration of each group of inlet channels can be controlled to achieve fine adjustment of reaction conditions and promote the convection and diffusion of reactants in the load chamber.
The uniform distribution and reaction efficiency of the reaction materials are improved, the reaction time is extended, and the reaction conversion rate is increased.
Smart Images
Figure CN223159219U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of biodiesel preparation, in particular to a fixing device for a catalyst for biodiesel preparation. Background Technique
[0002] The preparation of biodiesel is to mix glycerol, fatty acids and alcohols (such as methanol or ethanol) in a certain proportion in an esterification reactor, react for a sufficient time at a certain temperature and catalyst dosage, and then separate and purify the obtained product to remove unreacted raw materials, catalyst residues and other impurities, so as to obtain a pure biodiesel product. The catalyst used in this process needs to be placed through a fixed bed or a fluidized bed. When the reaction materials pass through the fixed bed or the fluidized bed, they are in full contact with the catalyst to achieve reaction conversion.
[0003] Most of the feed inlet channels of the traditional fluidized bed are single channels, and reactants are injected successively through the same channel. On the one hand, this way may cause uneven mixing of different materials in the pipeline, affecting the uniformity of the reaction. On the other hand, it is not convenient to finely adjust the reaction conditions. Summary of the Utility Model
[0004] Based on this, in view of the above problems, it is necessary to provide a fixing device for a catalyst for biodiesel preparation that can finely adjust the reaction conditions.
[0005] A fixing device for a catalyst for biodiesel preparation provided by the utility model includes:
[0006] A carrier member, having a containing cavity and an outlet channel, for containing a catalyst;
[0007] A top sealing member, having multiple groups of inlet channels, installed on the carrier member for closing the containing cavity;
[0008] Wherein, the inlet channels are uniformly distributed on the top sealing member, and the outlet channel is arranged in a dislocation manner with the inlet channels.
[0009] In one embodiment, the total cross-sectional area of the inlet channels is greater than the cross-sectional area of the outlet channel.
[0010] In one embodiment, the top sealing member includes a top sealing plate, the top sealing plate is installed on the carrier member, and multiple groups of inlet pipes are installed through the top sealing plate.
[0011] In one embodiment, the top sealing member further includes a top isolation cover, and the top isolation cover is buckled on the inner end of the inlet pipe.
[0012] In one embodiment, the carrier member includes a carrier container, and the top sealing plate is installed at the open end of the carrier container.
[0013] In one embodiment, the top edge of the carrier container extends horizontally to form a connecting plate, and the top sealing plate is fixedly installed on the connecting plate by bolts.
[0014] In one embodiment, an outlet pipe is installed through the bottom of the carrier container.
[0015] In one embodiment, the carrier further includes a bottom isolation cover, which is buckled on the inner end of the outlet pipe.
[0016] In the above biodiesel preparation catalyst fixing device, by setting the inlet of the accommodating cavity as a plurality of groups of inlet channels that are uniformly dispersed, on the one hand, the reaction materials are more uniformly distributed in the accommodating cavity, and on the other hand, parameters such as the flow rate and concentration of the reaction materials in each group of inlet channels can be controlled separately, realizing fine adjustment of the reaction conditions. Moreover, the inlet channels and the outlet channels are arranged in a staggered manner, which can promote the convection and diffusion of the reactants inside the accommodating cavity and improve the reaction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 It is a schematic structural diagram of a biodiesel preparation catalyst fixing device in one embodiment;
[0019] Figure 2 It is Figure 1 a cross-sectional view of the carrier and the top sealing member in
[0020] Figure 3 an exploded view of a biodiesel preparation catalyst fixing device in one embodiment.
[0021] Reference numerals:
[0022] 100, carrier; 101, accommodating cavity; 103, outlet channel; 110, carrier container; 112, connecting plate; 114, outlet pipe; 120, bottom isolation cover; 200, top sealing member; 201, inlet channel; 210, top sealing plate; 212, inlet pipe; 211, bottom pipe; 213, top pipe; 220, top isolation cover. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0024] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or there may also be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the description of the present utility model are only for the purpose of illustration and do not represent the only implementation manner.
[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0026] In the present utility model, unless otherwise clearly defined and limited, the first feature may be in direct contact with the second feature "on" or "under" the second feature, or the first feature and the second feature may be in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may mean that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature has a lower horizontal height than the second feature.
[0027] Unless otherwise defined, all technical and scientific terms used in the description of the present utility model have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model are only for the purpose of describing specific implementation manners and are not intended to limit the present utility model. The term "and / or" used in the description of the present utility model includes any and all combinations of one or more of the related listed items.
[0028] The following Figures 1 - 3 describes a biodiesel preparation catalyst fixing device of the present utility model.
[0029] As Figure 1 and Figure 2 shown, in one embodiment, a catalyst fixing device for biodiesel preparation includes a carrier 100 and a top seal 200.
[0030] The carrier 100 has a receiving cavity 101 and an outlet channel 103 for containing the catalyst. Specifically, the volume of the catalyst stored inside the receiving cavity 101 is less than the volume of the receiving cavity 101, and the corners of the receiving cavity 101 are rounded to reduce the accumulation of the catalyst at the corners.
[0031] The top seal 200 has multiple groups of inlet channels 201, which are installed on the carrier 100 and used to close the receiving cavity 101.
[0032] Specifically, the substances required for biodiesel production can be separately injected through the multiple groups of inlet channels 201, which is beneficial for more precise adjustment of the reaction conditions.
[0033] Among them, the inlet channels 201 are evenly distributed on the top seal 200, and the outlet channel 103 is arranged in a staggered manner with the inlet channels 201.
[0034] Specifically, during the transesterification reaction in biodiesel production, the waste edible oil, glycerol, and the required solvent after filtration, purification, and dehydration treatment are separately injected into the receiving cavity 101 through each inlet channel 201. During the injection process, by separately controlling the flow rate and proportion of each inlet channel 201, the reaction conditions can be effectively adjusted. The reactants injected into the receiving cavity 103 start to flow towards the outlet channel 103. During this process, the reactants flow in the receiving cavity 103 and contact the basic catalyst particles stored inside for reaction, and the generated reaction products move along the flow direction and finally flow out from the outlet channel 103.
[0035] In the catalyst fixing device for biodiesel preparation in this embodiment, by setting the inlet of the receiving cavity 101 as several groups of evenly distributed inlet channels 201, on the one hand, by separately injecting each group of reactants through different inlet channels 201, the reaction materials are more evenly distributed in the receiving cavity 101. On the other hand, parameters such as the flow rate and concentration of the reaction materials in each group of inlet channels 201 can be separately controlled to achieve precise adjustment of the reaction conditions. Moreover, the inlet channels 201 and the outlet channel 103 are arranged in a staggered manner, which can promote the convection and diffusion of the reactants inside the receiving cavity 101 and improve the reaction efficiency.
[0036] As Figure 3 shown, in one embodiment, the total cross-sectional area of the inlet channels 201 is greater than the cross-sectional area of the outlet channel 103.
[0037] Specifically, by increasing the inlet channel 201, it helps with rapid feeding, and the inlet channel 201 being larger than the outlet channel 103 causes the residence time of the reaction materials in the loading cavity 101 to be correspondingly extended, thereby increasing the contact time and reaction opportunities of the reaction, which helps to improve the conversion rate of the reaction.
[0038] The top seal 200 includes a top seal plate 210, the top seal plate 210 is installed on the carrier 100, and multiple groups of inlet pipes 212 are installed through the top seal plate 200.
[0039] For the convenience of production and disassembly and cleaning, the inlet pipe 212 includes a bottom pipe 211 and a top pipe 213. The bottom pipe 211 is fixedly installed on the top seal plate 210, and the top pipe 213 is detachably connected to the top end of the bottom pipe 211.
[0040] The top seal 200 further includes a top isolation cover 220, and the top isolation cover 220 is buckled on the inner end of the inlet pipe 212.
[0041] Specifically, the top isolation cover 220 has a tiny aperture, which can prevent catalyst particles from escaping from the loading cavity 101. A first locking nut is fixedly installed on the surface of the top isolation cover 220 facing away from the top seal plate 210. First locking bolts are installed through both the top seal plate 210 and the top isolation cover 220. A metal gasket and a rubber washer are sequentially sleeved on the first locking bolt from top to bottom, and the rubber washer is used to seal the connection between the first locking bolt and the top seal plate 210.
[0042] The carrier 100 includes a carrier container 110, and the top seal plate 210 is installed at the open end of the carrier container 110.
[0043] The top edge of the carrier container 110 extends horizontally to form a connecting plate 112, and the top seal plate 210 is fixedly installed on the connecting plate 112 through bolts.
[0044] Preferably, in order to enhance the sealing effect of the connection between the top seal plate 210 and the carrier container 110, a sealing ring matching the shape of the connecting plate 112 is installed between them.
[0045] An outlet pipe 114 is installed through the bottom of the carrier container 110.
[0046] The carrier 100 further includes a bottom isolation cover 120, and the bottom isolation cover 120 is buckled on the inner end of the outlet pipe 114.
[0047] Specifically, the bottom isolation cover 120 has a tiny aperture, which can prevent catalyst particles from detaching from the loading cavity 101. A second locking nut is fixedly installed on the surface of the bottom isolation cover 120 facing away from the loading container 110. Second locking bolts are installed through the loading container 110 and the bottom isolation cover 120. A metal gasket and a rubber washer are sequentially sleeved on the second locking bolts from bottom to top, and the rubber washer is used to seal the connection between the second locking bolt and the loading container.
[0048] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.
[0049] The above-described embodiments only represent several implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the appended claims.
Claims
1. A catalyst fixing device for biodiesel preparation, characterized in that Comprising: A carrier, having a receiving cavity and an outlet channel, for containing a catalyst; A top sealing member, having a plurality of groups of inlet channels, mounted on the carrier for closing the receiving cavity; Wherein, the inlet channels are evenly distributed on the top sealing member, and the outlet channel is arranged offset from the inlet channels.
2. The catalyst fixing device for biodiesel preparation according to claim 1, characterized in that, The total cross-sectional area of the inlet channels is greater than the cross-sectional area of the outlet channel.
3. The catalyst fixing device for biodiesel preparation according to claim 1, characterized in that, The top sealing member includes a top sealing plate, the top sealing plate is mounted on the carrier, and a plurality of groups of inlet pipes are installed through the top sealing plate.
4. The biodiesel preparation catalyst fixing device according to claim 3, characterized in that The top sealing member further includes a top isolation cover, and the top isolation cover is buckled on the inner end of the inlet pipe.
5. The catalyst fixing device for biodiesel preparation according to claim 3, characterized in that The carrier includes a carrier container, and the top sealing plate is mounted on the open end of the carrier container.
6. The biodiesel preparation catalyst fixing device according to claim 5, wherein The top edge of the carrier container extends horizontally to form a connecting plate, and the top sealing plate is fixedly mounted on the connecting plate by bolts.
7. The biodiesel preparation catalyst fixing device according to claim 5 or 6, characterized in that, An outlet pipe is installed through the bottom of the carrier container.
8. The biodiesel preparation catalyst fixing device according to claim 7, wherein The carrier further includes a bottom isolation cover, and the bottom isolation cover is buckled on the inner end of the outlet pipe.