Ceramic membrane equipment for solid-liquid separation of biogas slurry

Abstract

The utility model relates to ceramic membrane equipment for solid-liquid separation of biogas slurry, which comprises a treatment box, a collection box is fixedly mounted on the outer surface of the right side of the treatment box, a sealing plate is movably mounted on the outer surface of the right side of the treatment box, and a fixing plate is fixedly mounted on the outer surface of the left side of the treatment box. And a functional structure is fixedly mounted at the top of the fixed plate. According to the ceramic membrane equipment for solid-liquid separation of the biogas slurry, external biogas slurry is poured into the treatment box, and then solid-liquid separation can be carried out on the biogas slurry through the first flat sheet membrane, the second flat sheet membrane and the third flat sheet membrane; wherein the filtering aperture of the first flat sheet membrane, the filtering aperture of the second flat sheet membrane and the filtering aperture of the third flat sheet membrane are sequentially reduced, the permeability is different according to different molecular diameters of permeated substances in a certain membrane aperture range, and the filtering effect is enhanced under the action of certain pressure by taking the pressure difference of two sides of the membrane as a driving force and taking the membrane as a filtering medium.

Description

Technical Field

[0001] The utility model relates to the technical field of biogas slurry and biogas residue treatment, in particular to a ceramic membrane device for solid-liquid separation of biogas slurry. Background Art

[0002] Swamp sludge is the solid material remaining after the fermentation of organic matter. It is rich in organic matter, humic acid, trace nutrients, multiple amino acids, enzymes and beneficial microorganisms, etc., and can play a good role in improving the soil. Swamp sludge also contains elements such as nitrogen, phosphorus and potassium, which can meet the needs of crop growth. In the process of sludge treatment, it is necessary to use equipment for solid-liquid separation of biogas slurry to separate the water in the biogas slurry.

[0003] The traditional ceramic membrane equipment for solid-liquid separation of biogas slurry on the market still has some defects when in use. For example, when separating the solid and liquid of the product, the solid product is easily adhered to the filter because of the stickiness of the solid, which makes it inconvenient to remove and clean it. In addition, when a certain amount is processed, the separated solids need to be manually recovered, which is very inconvenient. For this reason, we propose a ceramic membrane equipment for solid-liquid separation of biogas slurry. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a ceramic membrane device for solid-liquid separation of biogas slurry, which has the advantages of being easy to clean, and solves the problem that traditional ceramic membrane devices are inconvenient to clean during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ceramic membrane device for solid-liquid separation of biogas slurry, comprising a treatment box, a collection box is fixedly installed on the right outer surface of the treatment box, a sealing plate is movably installed on the right outer surface of the treatment box, a fixed plate is fixedly installed on the left outer surface of the treatment box, and a functional structure is fixedly installed on the top of the fixed plate;

[0006] The functional structure includes a driving motor located at the top of the fixed plate, a threaded rod extending to the interior of the processing box is fixedly installed at the output shaft of the driving motor, a limiting rod is fixedly installed inside the processing box, a threaded plate is threadedly connected to the outer surface of the threaded rod inside the processing box, a scraper is fixedly installed at the bottom of the threaded plate, a discharge pipe is fixedly installed on the left outer surface of the processing box, a functional block is fixedly installed on the right inner wall of the processing box, a return spring is movably installed inside the functional block, a functional rod that passes through the functional block is fixedly installed on the left outer surface of the sealing plate, a limiting plate is fixedly installed on the outer surface of the functional rod inside the functional block, a No. 1 flat membrane is fixedly installed inside the processing box, a No. 2 flat membrane is fixedly installed at the bottom of the No. 1 flat membrane inside the processing box, and a No. 3 flat membrane is fixedly installed at the bottom of the No. 2 flat membrane.

[0007] Furthermore, the filtration pore size of the No. 1 flat membrane and the filtration pore sizes of the No. 2 flat membrane and the No. 3 flat membrane decrease in sequence.

[0008] Furthermore, the bottom of the scraper is in contact with the top of the No. 1 flat membrane, and a valve is fixedly installed on the outer surface of the discharge pipe.

[0009] Furthermore, the limiting rod penetrates the threaded plate, and a through opening is opened on the right outer surface of the processing box.

[0010] Furthermore, the reset spring is located on the outer surface of the functional rod, and the outer surface of the limit plate is in contact with the outer surface of the reset spring.

[0011] Furthermore, a movable opening is provided on the left outer surface of the functional block, and the inner wall of the movable opening is matched with the outer surface of the functional rod.

[0012] Furthermore, the left side of the through-port is located at the top of the No. 1 flat membrane, and the inner bottom wall of the through-port is inclined.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The ceramic membrane equipment for solid-liquid separation of biogas slurry pours external biogas slurry into the interior of the treatment box, and then separates the biogas slurry into solid and liquid through the No. 1 flat membrane, the No. 2 flat membrane and the No. 3 flat membrane, wherein the filtration pore size of the No. 1 flat membrane and the filtration pore size of the No. 2 flat membrane and the No. 3 flat membrane decreases successively. Within a certain membrane pore size range, the permeability is different due to the different molecular diameters of the permeated substances. The pressure difference on both sides of the membrane is used as the driving force, and the membrane is used as the filter medium. Under a certain pressure, the filtration effect is enhanced.

[0015] 2. The ceramic membrane device for solid-liquid separation of biogas slurry, when in use, when it is necessary to process the outer surface of the No. 1 flat membrane, the threaded rod can be driven to rotate by starting the driving motor, and the threaded plate can be limited by providing a limit rod, so that the threaded plate moves to the right, thereby driving the scraper to move, and the solids on the outer surface of the No. 1 flat membrane are scraped to the right, and then the threaded plate moves to the right to press against the functional rod, which moves the functional rod to the right and drives the limit plate to move to the right at the same time, thereby squeezing the reset spring, so that the reset spring becomes compressed, and drives the sealing plate to move to the right at the same time, so that the right side of the through port is opened, so that the cleaned solids fall into the inside of the collecting box through the through port. Through the above structural coordination, the solids on the outer surface of the No. 1 flat membrane can be cleared. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a front cross-sectional view of the functional structure of the utility model;

[0018] Figure 3 The functional structure of the utility model Figure 2 Enlarged view of A in the middle;

[0019] Figure 4 The functional structure of the utility model Figure 2 Enlarged view of point B in the middle.

[0020] In the figure: 1. processing box; 2. collecting box; 3. sealing plate; 4. fixing plate; 5. functional structure; 501. driving motor; 502. threaded rod; 503. limiting rod; 504. threaded plate; 505. scraper; 506. discharge pipe; 507. functional block; 508. return spring; 509. functional rod; 510. limiting plate; 511. flat membrane No. 1; 512. flat membrane No. 2; 513. flat membrane No. 3. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 In this embodiment, a ceramic membrane device for solid-liquid separation of biogas slurry comprises a treatment box 1, a collecting box 2 is fixedly installed on the right outer surface of the treatment box 1, a sealing plate 3 is movably installed on the right outer surface of the treatment box 1, a fixing plate 4 is fixedly installed on the left outer surface of the treatment box 1, and a functional structure 5 is fixedly installed on the top of the fixing plate 4;

[0023] The functional structure 5 includes a driving motor 501 located on the top of the fixed plate 4, a threaded rod 502 extending to the inside of the processing box 1 is fixedly installed at the output shaft of the driving motor 501, a limiting rod 503 is fixedly installed inside the processing box 1, a threaded plate 504 is threadedly connected to the outer surface of the threaded rod 502 inside the processing box 1, a scraper 505 is fixedly installed at the bottom of the threaded plate 504, a discharge pipe 506 is fixedly installed on the left outer surface of the processing box 1, a functional block 507 is fixedly installed on the right inner wall of the processing box 1, a return spring 508 is movably installed inside the functional block 507, a functional rod 509 penetrating the functional block 507 is fixedly installed on the left outer surface of the sealing plate 3, a limiting plate 510 is fixedly installed on the outer surface of the functional rod 509 inside the functional block 507, a No. 1 flat membrane 511 is fixedly installed inside the processing box 1, a No. 2 flat membrane 512 is fixedly installed at the bottom of the No. 1 flat membrane 511 inside the processing box 1, and a No. 3 flat membrane 513 is fixedly installed at the bottom of the No. 2 flat membrane 512.

[0024] In this embodiment, the bottom of the scraper 505 is in contact with the top of the No. 1 flat membrane 511, and a valve is fixedly installed on the outer surface of the discharge pipe 506; further, by setting the scraper 505 and the No. 1 flat membrane 511 to be in contact with each other, the scraper 505 can scrape the outer surface of the No. 1 flat membrane 511, and by providing a valve, it is possible to facilitate the control of the discharge pipe 506.

[0025] In this embodiment, the limiting rod 503 passes through the threaded plate 504, and a through opening is opened on the right outer surface of the processing box 1; further, by passing the limiting rod 503 through the threaded plate 504, the threaded plate 504 can be limited by the limiting rod 503, so that the threaded plate 504 is more stable when moving.

[0026] In this embodiment, the reset spring 508 is located on the outer surface of the functional rod 509, and the outer surface of the limit plate 510 is in contact with the outer surface of the reset spring 508; further, by setting the outer surface of the limit plate 510 and the outer surface of the reset spring 508 to be in contact with each other, the movement of the limit plate 510 can squeeze the reset spring 508, so that the limit plate 510 has a reset effect.

[0027] In this embodiment, a movable opening is opened on the left outer surface of the functional block 507, and the inner wall of the movable opening is adapted to the outer surface of the functional rod 509; further, by opening a movable opening adapted to the outer surface of the functional rod 509, the functional rod 509 can be moved on the outer surface of the functional block 507.

[0028] In summary, the ceramic membrane device for solid-liquid separation of biogas slurry pours the external biogas slurry into the interior of the treatment box 1, and then separates the solid and liquid of the biogas slurry through the No. 1 flat membrane 511, the No. 2 flat membrane 512 and the No. 3 flat membrane 513, wherein the filtration pore size of the No. 1 flat membrane 511 and the filtration pore sizes of the No. 2 flat membrane 512 and the No. 3 flat membrane 513 decrease successively, and the permeability is different according to the different molecular diameters of the permeated substances within a certain membrane pore size range, and the pressure difference on both sides of the membrane is used as the driving force, and the membrane is the filter medium. Under a certain pressure, the filtration effect is enhanced, and when it is necessary to process the outer surface of the No. 1 flat membrane 511, the threaded rod 502 can be driven to rotate by starting the drive motor 501 The threaded plate 504 is movable by providing a limiting rod 503, so that the threaded plate 504 moves to the right, thereby driving the scraper 505 to move, and the solids on the outer surface of the No. 1 flat membrane 511 are scraped to the right. Then the threaded plate 504 moves to the right to resist the functional rod 509, and the functional rod 509 moves to the right, and at the same time drives the limiting plate 510 to move to the right, thereby squeezing the reset spring 508, so that the reset spring 508 becomes a compressed state, and at the same time drives the sealing plate 3 to move to the right, so that the right side of the through port is opened, so that the cleaned solids fall into the inside of the collecting box 2 through the through port. Through the above structural cooperation, the solids on the outer surface of the No. 1 flat membrane 511 can be cleared.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ceramic membrane device for solid-liquid separation of biogas slurry, comprising a treatment box (1), characterized in that: A collection box (2) is fixedly mounted on the right outer surface of the processing box (1), a sealing plate (3) is movably mounted on the right outer surface of the processing box (1), a fixing plate (4) is fixedly mounted on the left outer surface of the processing box (1), and a functional structure (5) is fixedly mounted on the top of the fixing plate (4); The functional structure (5) comprises a driving motor (501) located at the top of the fixing plate (4); a threaded rod (502) extending into the interior of the processing box (1) is fixedly installed at the output shaft of the driving motor (501); a limiting rod (503) is fixedly installed inside the processing box (1); a threaded plate (504) is threadedly connected to the outer surface of the threaded rod (502) inside the processing box (1); a scraper (505) is fixedly installed at the bottom of the threaded plate (504); a discharge pipe (506) is fixedly installed on the left outer surface of the processing box (1); and a functional block (506) is fixedly installed on the right inner wall of the processing box (1). (507), a return spring (508) is movably installed inside the functional block (507), a functional rod (509) penetrating the functional block (507) is fixedly installed on the left outer surface of the sealing plate (3), a limit plate (510) is fixedly installed on the outer surface of the functional rod (509) inside the functional block (507), a No. 1 flat membrane (511) is fixedly installed inside the processing box (1), a No. 2 flat membrane (512) is fixedly installed at the bottom of the No. 1 flat membrane (511) inside the processing box (1), and a No. 3 flat membrane (513) is fixedly installed at the bottom of the No. 2 flat membrane (512).

2. The ceramic membrane device for solid-liquid separation of biogas slurry according to claim 1, characterized in that: The filtration pore size of the No. 1 flat membrane (511) and the filtration pore sizes of the No. 2 flat membrane (512) and the No. 3 flat membrane (513) decrease in sequence.

3. The ceramic membrane device for solid-liquid separation of biogas slurry according to claim 1, characterized in that: The bottom of the scraper (505) is in contact with the top of the No. 1 flat membrane (511), and a valve is fixedly installed on the outer surface of the discharge pipe (506).

4. The ceramic membrane device for solid-liquid separation of biogas slurry according to claim 1, characterized in that: The limiting rod (503) penetrates the threaded plate (504), and a through opening is provided on the right outer surface of the processing box (1).

5. The ceramic membrane device for solid-liquid separation of biogas slurry according to claim 1, characterized in that: The return spring (508) is located on the outer surface of the functional rod (509), and the outer surface of the limit plate (510) is in contact with the outer surface of the return spring (508).

6. The ceramic membrane device for solid-liquid separation of biogas slurry according to claim 1, characterized in that: A movable opening is provided on the left outer surface of the functional block (507), and the inner wall of the movable opening is adapted to the outer surface of the functional rod (509).

7. The ceramic membrane device for solid-liquid separation of biogas slurry according to claim 4, characterized in that: The left side of the through opening is located at the top of the No. 1 flat membrane (511), and the inner bottom wall of the through opening is inclined.

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