Pretreatment cleaning device based on hydrothermal liquefaction oil preparation

By designing a pretreatment and cleaning device for the crushing roller and filter mesh, the problem of incomplete biomass crushing is solved, and the efficient preparation of biomass slurry is achieved, and the filter mesh is blocked is avoided.

CN223069585UActive Publication Date: 2025-07-08江西省碳中和研究中心
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Patent Information

Application Number
CN202422217957.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-07-08
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

In the prior art, there is a problem of incomplete pulverization after pulverization of biomass, which leads to insufficient preparation of biomass slurry and requires an effective filtration device for processing.

Method used

A pretreatment and cleaning device including a crushing roller and a filter mesh is designed. By driving the crushing roller to rotate, the biomass is crushed. The crushed particles are screened through the filter mesh. The cleaning scraper of the cleaning component is used to clean up the incomplete crushed substance on the filter mesh to avoid clogging.

Benefits of technology

The efficient preparation of biomass slurry is achieved, ensuring that the filter is not blocked, and the preparation efficiency of biomass slurry is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pretreatment cleaning device based on hydrothermal liquefaction oil production, which comprises a first box body, the top of the first box body is fixedly communicated with a second box body, and the top of the second box body is provided with a feed inlet. Then two sets of rotating rods are driven by a driving assembly to rotate, the two sets of rotating rods drive two sets of smashing rollers to rotate, the biomass is smashed, the smashed biomass falls onto a filter screen, and particle powder meeting the condition falls into a collecting box; the output end of a second motor drives a threaded rod fixedly connected with the output end of the second motor to rotate, and a cleaning scraper is limited through a limiting rod, so that the cleaning scraper moves to scrape non-thoroughly crushed biomass on a filter screen onto a discharging plate, the filter screen is prevented from being blocked, particle powder is favorably filtered, and the practicability is high. Therefore, the biomass slurry can be better prepared.
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Description

Technical Field

[0001] The utility model relates to the technical field of biomass pretreatment, in particular to a pretreatment cleaning device based on hydrothermal liquefaction for oil production. Background Art

[0002] Biomass refers to renewable energy made from organic substances such as plants, animals or microorganisms. Biomass usually refers to renewable biomass from plants, such as wood, straw, corncobs, bagasse, etc. Biomass energy has significant characteristics such as being clean, renewable, widely sourced and resource-rich. Among them, biofuels prepared by thermochemical conversion of biomass can be used as alternative fuels to traditional fossil fuels, which can alleviate the shortage of fossil fuels and related environmental pollution problems caused by their utilization.

[0003] Before biomass undergoes hydrothermal liquefaction for oil production, it needs to be pretreated. First, the biomass needs to be crushed, and then the particulate powder is fully mixed with water to make a biomass slurry. However, since there may still be incompletely crushed biomass in the particulate powder after crushing, it is necessary to filter the particulate powder after crushing to better make the biomass slurry. Therefore, we need to propose a pretreatment cleaning device based on hydrothermal liquefaction for oil production. Content of the Utility Model

[0004] The purpose of the utility model is to provide a pretreatment cleaning device based on hydrothermal liquefaction for oil production, which is beneficial to filtering particulate powder and thus can better make a biomass slurry, so as to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pretreatment cleaning device based on hydrothermal liquefaction for oil production includes a first box body. The top of the first box body is fixedly communicated with a second box body. The top of the second box body is provided with a feeding port. Two rotating rods are rotatably installed inside the second box body. Fixed sleeves of crushing rollers are respectively provided on the outer walls of the two rotating rods, and the opposite sides of the two crushing rollers are meshed with each other. A driving component for driving the two rotating rods to rotate is arranged on one side of the second box body. A filter screen is installed inside the first box body. A cleaning component for cleaning the filter screen is arranged inside the first box body. A partition plate is arranged at the bottom of the first box body below the filter screen, and the partition plate is fixedly installed on the inner bottom of the first box body.

[0007] Preferably, the driving assembly includes a driving gear, which is fixedly mounted on the outer wall of one group of rotating rods, and one end of the rotating rod passes through the second box body and is fixedly connected to the first motor, and one side of the driving gear is meshedly connected to a driven gear, and the driven gear is fixedly mounted on the outer wall of another group of rotating rods.

[0008] Preferably, two groups of material guide plates are symmetrically fixedly installed on the inner top of the second box body, the two groups of material guide plates are inclined, and the two groups of material guide plates are respectively located above the two groups of crushing rollers.

[0009] Preferably, the cleaning assembly includes a threaded rod, which is rotatably installed inside the first box body, one end of the threaded rod passes through the first box body and is fixedly connected to the second motor, a cleaning scraper is threadedly connected to the outer wall of the threaded rod, and the bottom of the cleaning scraper slides in contact with the filter screen.

[0010] Preferably, a limiting rod is fixedly installed inside the first box body, and the cleaning scraper is slidably installed on the outer wall of the limiting rod.

[0011] Preferably, a material discharge plate is fixedly mounted on one side of the partition of the first box body, the top of the material discharge plate is inclined, and a material discharge door is provided on one side of the material discharge plate of the first box body.

[0012] Preferably, a collection box is slidably mounted on the first box body at the other side of the partition, and a clearance groove adapted to the collection box is provided on one side of the first box body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model puts biomass into the interior of the second box body through the feed inlet, and then rotates the two sets of rotating rods through the driving component, and the two sets of rotating rods drive the two sets of crushing rollers to rotate to crush the biomass. The crushed biomass falls onto the filter screen, and the particle powder that meets the conditions falls into the interior of the collection box. The output end of the second motor drives the threaded rod fixedly connected to it to rotate, and the cleaning scraper is limited by the limiting rod, so that the cleaning scraper is moved to scrape the biomass that is not completely crushed on the filter screen onto the discharge plate, so as to avoid clogging of the filter screen, which is beneficial to filtering the particle powder, and thus can better make biomass slurry. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model cut away;

[0017] Figure 3 It is a schematic structural diagram of the second box body of the utility model.

[0018] In the figure: 1. first box body; 2. second box body; 3. feed port; 4. rotating rod; 5. crushing roller; 6. filter screen; 7. partition; 8. driving gear; 9. first motor; 10. driven gear; 11. guide plate; 12. threaded rod; 13. second motor; 14. cleaning scraper; 15. limit rod; 16. unloading plate; 17. discharge door; 18. collection box. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1-3 , the utility model provides a technical solution:

[0021] A pretreatment cleaning device based on hydrothermal liquefaction oil production, comprising a first box body 1, the top of the first box body 1 is fixedly connected to a second box body 2, the top of the second box body 2 is provided with a feed inlet 3, two sets of rotating rods 4 are rotatably installed inside the second box body 2, crushing rollers 5 are fixedly sleeved on the outer walls of the two sets of rotating rods 4, and the opposite sides of the two sets of crushing rollers 5 are meshed, one side of the second box body 2 is provided with a driving assembly for driving the two sets of rotating rods 4 to rotate, a filter screen 6 is installed inside the first box body 1, and a filter screen 6 is cleaned inside the first box body 1 The cleaning component, the first box body 1 is provided with a partition 7 at the bottom of the filter screen 6, and the partition 7 is fixedly installed at the inner bottom of the first box body 1. The biomass is put into the second box body 2 through the feed port 3, and then the two sets of rotating rods 4 are rotated by the driving component, and the two sets of rotating rods 4 drive the two sets of crushing rollers 5 to rotate to crush the biomass. The crushed biomass falls onto the filter screen 6, and the filter screen 6 can be cleaned by the cleaning component to avoid clogging of the filter screen 6, which is conducive to filtering the particle powder, and thus can better make the biomass slurry;

[0022] The driving assembly includes a driving gear 8, which is fixedly sleeved on the outer wall of one group of rotating rods 4, and one end of the rotating rod 4 passes through the second box body 2 and is fixedly connected to the first motor 9, one side of the driving gear 8 is meshedly connected with a driven gear 10, and the driven gear 10 is fixedly sleeved on the outer wall of another group of rotating rods 4, and the output end of the second motor rotates to drive the rotating rods 4 fixedly connected thereto to rotate, and the rotating rods 4 drive the driving gear 8 to rotate, and the driving gear 8 drives the driven gear 10 meshed therewith to rotate, so that the two groups of rotating rods 4 can be rotated, and the two groups of crushing rollers 5 can be driven to rotate to crush the biomass;

[0023] Two sets of guide plates 11 are symmetrically fixedly installed on the inner top of the second box body 2. The two sets of guide plates 11 are inclined and are respectively located above the two sets of crushing rollers 5. The guide plates 11 are conducive to crushing the biomass and prevent the biomass from falling from the gap into the interior of the first box body 1;

[0024] The cleaning assembly includes a threaded rod 12, which is rotatably mounted inside the first housing 1, one end of the threaded rod 12 passes through the first housing 1 and is fixedly connected to a second motor 13, a cleaning scraper 14 is threadedly connected to the outer wall of the threaded rod 12, and the bottom of the cleaning scraper 14 slides in contact with the filter 6, and the output end of the second motor 13 rotates to drive the threaded rod 12 fixedly connected thereto to rotate, so that the cleaning scraper 14 moves to clean the filter 6 to prevent the filter 6 from being blocked;

[0025] A limit rod 15 is fixedly installed inside the first box body 1, and the cleaning scraper 14 is slidably installed on the outer wall of the limit rod 15. The limit rod 15 can limit the cleaning scraper 14, so that the cleaning scraper 14 can move;

[0026] A discharge plate 16 is fixedly installed on one side of the first box body 1 located on the partition 7, and the top of the discharge plate 16 is inclined. A discharge door 17 is opened on one side of the first box body 1 located on the discharge plate 16. The discharge door 17 is opened to discharge biomass with larger particles and then crush them again. The discharge plate 16 is provided to facilitate discharge.

[0027] A collection box 18 is slidably installed on the other side of the first box body 1 located on the partition 7. A clearance groove adapted to the collection box 18 is opened on one side of the first box body 1. Qualified granular powder falls into the interior of the collection box 18 through the filter screen 6, and the clearance groove is provided to facilitate the collection box 18 to be taken out.

[0028] Working principle: When the utility model is in use, biomass is put into the interior of the second box body 2 through the feeding port 3, and then the driving assembly is used to make the two rotating rods 4 rotate. The two rotating rods 4 drive the two crushing rollers 5 to rotate, so as to crush the biomass. The crushed biomass falls onto the filter screen 6, and the qualified particulate powder falls into the interior of the collection box 18. The output end of the second motor 13 drives the threaded rod 12 fixedly connected thereto to rotate. The cleaning scraper 14 is limited by the limiting rod 15, so that the cleaning scraper 14 moves to scrape the incompletely crushed biomass on the filter screen 6 onto the blanking plate 16, avoiding the blockage of the filter screen 6, being beneficial to filtering the particulate powder, and thus being able to better make the biomass slurry.

[0029] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pretreatment cleaning device based on hydrothermal liquefaction for oil production, comprising a first box body (1), characterized in that: The top of the first housing (1) is fixedly connected to the second housing (2), the top of the second housing (2) is provided with a feed port (3), two groups of rotating rods (4) are rotatably mounted inside the second housing (2), crushing rollers (5) are fixedly sleeved on the outer walls of the two groups of rotating rods (4), and the opposite sides of the two groups of crushing rollers (5) are meshed with each other, and a driving assembly for driving the two groups of rotating rods (4) to rotate is arranged on one side of the second housing (2), a filter screen (6) is installed inside the first housing (1), and a cleaning assembly for cleaning the filter screen (6) is arranged inside the first housing (1), and a partition (7) is arranged at the bottom of the filter screen (6) of the first housing (1), and the partition (7) is fixedly mounted on the inner bottom of the first housing (1).

2. The pretreatment cleaning device based on hydrothermal liquefaction for oil production according to claim 1, wherein: The driving assembly comprises a driving gear (8), the driving gear (8) being fixedly sleeved on the outer wall of one group of rotating rods (4), one end of the rotating rod (4) passing through the second box (2) and being fixedly connected to a first motor (9), one side of the driving gear (8) being meshingly connected to a driven gear (10), and the driven gear (10) being fixedly sleeved on the outer wall of another group of rotating rods (4).

3. The pretreatment cleaning device based on hydrothermal liquefaction for oil production according to claim 1, wherein: Two groups of material guide plates (11) are symmetrically fixedly installed on the inner top of the second box body (2), and the two groups of material guide plates (11) are both inclined, and the two groups of material guide plates (11) are respectively located above the two groups of crushing rollers (5).

4. The pretreatment cleaning device based on hydrothermal liquefaction for oil production according to claim 1, characterized in that: The cleaning assembly comprises a threaded rod (12), the threaded rod (12) being rotatably mounted inside the first housing (1), one end of the threaded rod (12) passing through the first housing (1) and being fixedly connected to a second motor (13), a cleaning scraper (14) being threadedly connected to the outer wall of the threaded rod (12), and the bottom of the cleaning scraper (14) slidingly fits with the filter screen (6).

5. The pretreatment cleaning device based on hydrothermal liquefaction for oil production according to claim 4, characterized in that: A limiting rod (15) is fixedly installed inside the first box body (1), and the cleaning scraper (14) is slidably installed on the outer wall of the limiting rod (15).

6. The pretreatment and cleaning device based on hydrothermal liquefaction for oil production according to claim 1, wherein: A material discharge plate (16) is fixedly mounted on one side of the first box body (1) located on the partition (7), the top of the material discharge plate (16) is arranged at an inclination, and a material discharge door (17) is provided on one side of the first box body (1) located on the material discharge plate (16).

7. A pretreatment cleaning device based on hydrothermal liquefaction for oil production according to claim 1, characterized in that: A collection box (18) is slidably mounted on the other side of the first box body (1) located on the partition (7), and a clearance groove adapted to the collection box (18) is provided on one side of the first box body (1).