CN108721970B - Biogas slurry continuous filtering device - Google Patents
Biogas slurry continuous filtering device Download PDFInfo
- Publication number
- CN108721970B CN108721970B CN201810897561.4A CN201810897561A CN108721970B CN 108721970 B CN108721970 B CN 108721970B CN 201810897561 A CN201810897561 A CN 201810897561A CN 108721970 B CN108721970 B CN 108721970B
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- China
- Prior art keywords
- filtering
- biogas slurry
- tanks
- liquid collecting
- filter
- Prior art date
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- 238000001914 filtration Methods 0.000 title claims abstract description 56
- 239000002002 slurry Substances 0.000 title claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 239000002893 slag Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
Abstract
The invention discloses a biogas slurry continuous filtering device which comprises a device shell, filtering tanks, liquid collecting tanks and a motor, wherein the device shell comprises a biogas slurry pipe, scraping plates, a biogas slurry chamber and perforations, the filtering tanks are of annular groove-shaped structures, open cutting parts are cut off from the filtering tanks, through holes are uniformly distributed on the filtering screens at the bottoms of the filtering tanks, at least two filtering tanks are vertically distributed among the filtering tanks, the cutting parts of the filtering tanks are staggered by 180 degrees, the liquid collecting tanks are of annular groove-shaped structures, closed notches are cut off from the liquid collecting tanks, liquid outlet pipes are arranged on the outer side walls of the liquid collecting tanks in a protruding mode, the liquid outlet pipes extend out of the perforations, the liquid collecting tanks are fixed on the inner wall of the device shell through screws, and the liquid collecting tanks are positioned vertically below the filtering tanks. The continuous biogas slurry filtering device has the advantages of continuously filtering biogas slurry, effectively avoiding blockage, effectively increasing the filtering efficiency and reducing the labor intensity of workers.
Description
Technical Field
The invention belongs to the technical field of biogas slurry filtration, and particularly relates to a biogas slurry continuous filtration device.
Background
The biogas slurry is used as a product obtained by fermenting agriculture and forestry organic waste, livestock and poultry manure, domestic organic waste and the like, has low price and wide sources, contains rich internal components of more nutrient elements, stress resistance, sterilization components and crop growth promoters, and is an organic green fertilizer which is relatively popular in current research. The biogas slurry formed after fermentation is odorless, the fertilizer efficiency is more than 10 times that of common chemical synthetic fertilizer, and the water quality characteristic is easy to be absorbed by crops, so the biogas slurry has wide application prospect in recycling of agricultural and forestry waste.
However, because the biogas slurry often contains more biogas residues, impurities and scum, the spray nozzle is easy to be blocked in the spray irrigation application process, so that the spraying effect is poor, and the application and popularization of the biogas slurry are severely restricted. Biogas slurry filtration is one of the important methods to solve this problem.
At present, most common biogas slurry filtering devices adopt a screening method or an extrusion filtering method to carry out solid-liquid separation so as to realize the filtration of biogas slurry. Because the biogas residue and the straw crude fiber in the biogas slurry easily block the mesh screen, the biogas slurry filtering and separating work is required to be periodically stopped, and the filter screen is removed and cleaned off-site to realize the recycling of the filter screen so as to ensure the continuous operation of the biogas slurry filtering. It is particularly important to find a biogas slurry filtering device and a biogas slurry filtering method which are simple in structure, convenient to operate and low in cost.
Disclosure of Invention
The invention aims to provide a biogas slurry continuous filtering device, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a but continuous filter equipment of natural pond liquid, includes device shell, filter vat, collecting tank and motor, the device shell includes natural pond liquid pipe, scraper blade, natural pond sediment room and perforation, the filter vat is annular groove form structure, cuts off on the filter vat and is equipped with open type cutting part, and evenly distributed is equipped with the through-hole on the filter screen of filter vat bottom, there are two at least filter vats, and perpendicular distribution between the filter vat, and the cutting part of filter vat staggers 180 each other, the collecting tank is annular groove form structure, cuts off on the collecting tank and is equipped with closed breach, and the collecting tank lateral wall protrusion is equipped with the drain pipe, and the drain pipe stretches out from the perforation, the collecting tank passes through the fix with screw at the device shell inner wall, and the collecting tank is located the filter vat vertical below, the fixed central point of arranging in device shell bottom of motor's axis of rotation is perpendicular upwards, axis of rotation outer wall welding is fixed with the steel pipe, and steel pipe other end welded fastening is at the inside wall of filter vat.
Preferably, the radian of the cutting part is smaller than pi/4, and inclined parts are cut at two ends of the joint of the filter screen and the cutting part.
Preferably, the liquid outlet of the biogas slurry pipe is arranged at the top of the filter tank.
Preferably, the scraping plate is arranged at the top of the filter tank, the scraping plate is fixedly arranged on the inner wall of the device shell through a screw, and the brush at the bottom of the scraping plate stretches into the groove of the filter tank.
Preferably, the number of the scrapers is the same as that of the filter tanks, and the angle between the scrapers in the horizontal direction is staggered by 180 degrees.
Preferably, the biogas residue chamber is arranged at the bottom of the inner wall of the device shell, and is arranged right below the notch of the liquid collecting tank, and a slag outlet is arranged at the joint of the biogas residue chamber and the device shell.
The invention has the technical effects and advantages that: according to the continuous biogas slurry filtering device, the rotating filtering tank is matched with the fixed scraping plate, so that biogas residues in the filtering tank can be effectively and automatically collected, and scraped through the cutting part of the filtering tank, so that biogas residues are effectively prevented from accumulating, and meanwhile, intermittent power failure maintenance is not needed; by arranging at least two filter tanks, biogas slurry can be effectively prevented from directly falling into the liquid collecting tank without being filtered, and the filtering structure is perfected; the biogas residues which are scraped off automatically are convenient to collect, and meanwhile, smaller biogas residues fall off easily due to the inclined parts at the two ends of the filter tank.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the housing of the device of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a schematic view of the structure of the filter tank and the rotating shaft of the present invention;
FIG. 5 is a schematic view of a sump structure according to the present invention;
FIG. 6 is a schematic diagram of a filter tank according to the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 6B according to the present invention.
In the figure: 1 device shell, 11 biogas slurry pipe, 12 scraping plate, 121 brush, 13 biogas residue chamber, 131 slag hole, 14 perforation, 2 filter tank, 21 cutting part, 22 filter screen, 221 through hole, 222 inclined part, 3 liquid collecting tank, 31 notch, 32 liquid outlet pipe, 4 motor, 41 rotation shaft, 42 steel pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a biogas slurry continuous filtering device shown in figures 1-7, which comprises a device shell 1, filtering tanks 2, a liquid collecting tank 3 and a motor 4, wherein the device shell 1 comprises a biogas slurry pipe 11, scraping plates 12, a biogas slurry chamber 13 and a perforation 14, the filtering tanks 2 are of annular groove structures, an open cutting part 21 is cut off on the filtering tanks 2, through holes 221 are uniformly distributed on a filter screen 22 at the bottom of the filtering tanks 2, at least two filtering tanks 2 are vertically distributed among the filtering tanks 2, the cutting parts 21 of the filtering tanks 2 are staggered by 180 degrees, the liquid collecting tank 3 is of annular groove structures, a closed notch 31 is cut off on the liquid collecting tank 3, a liquid outlet pipe 32 is arranged on the outer side wall of the liquid collecting tank 3 in a protruding mode, the liquid outlet pipe 32 extends out of the perforation 14, the liquid collecting tank 3 is fixed on the inner wall of the device shell 1 through screws, the liquid collecting tank 3 is positioned vertically below the filtering tanks 2, the motor 4 is fixedly arranged at the central position of the bottom of the device shell 1, a rotating shaft 41 of the motor 4 is vertically upwards erected, the outer wall of the rotating shaft 41 is fixedly provided with the other end 42, and the inner side wall 42 is fixedly welded on the inner side wall 42 of the filtering tank 2.
Specifically, the radian of the cutting part 21 is smaller than pi/4, the two ends of the joint of the filter screen 22 and the cutting part 21 are cut and provided with inclined parts 222, after the biogas slurry is filtered by the filter screen 22 in the filter tank 2, biogas residues on the filter screen 22 are cleaned by the scraping plate 12 which rotates relatively, the biogas residues are scraped off from the cutting part 21 of the filter tank 2 by the scraping plate 12, and the inclined parts 222 enable smaller biogas residues to fall off more easily.
Specifically, the liquid outlet of the biogas slurry pipe 11 is arranged at the top of the filter tank 2, and the biogas slurry containing biogas residues enters the filter tank 2 through the biogas slurry pipe 11.
Specifically, scraper blade 12 sets up at filter vat 2 top, and scraper blade 12 passes through the inner wall of screw fixation setting at device shell 1, and the brush 121 of scraper blade 12 bottom stretches into in the recess of filter vat 2, and there is extrusion laminating with filter screen 22 of filter vat 2 bottom brush 121 of scraper blade 12, and brush 121 can effectively clear up the natural pond sediment on the filter screen 22.
Specifically, the number of the scraping plates 12 is the same as that of the filter tanks 2, the angles of the scraping plates 12 in the horizontal direction are staggered by 180 degrees, and the staggered angles of the scraping plates 12 are the same as that of the cutting parts 21 of the filter tanks 2, so that the scraping plates 12 can push biogas residues down at the same time, and the filter tanks 2 at the bottom are prevented from being overloaded.
Specifically, the biogas residue chamber 13 is arranged at the bottom of the inner wall of the device shell 1, the biogas residue chamber 13 is arranged under the notch 31 of the liquid collecting tank 3, a slag hole 131 is formed at the joint of the biogas residue chamber 13 and the device shell 1, falling biogas residue is scraped from the scraper 12 at the bottom, passes through the notch 31 of the liquid collecting tank 3 right below and finally falls into the biogas residue chamber 13, and accumulated biogas residue is conveniently cleaned from the slag hole 131.
Specifically, when the continuous biogas slurry filtering device is used, unfiltered biogas slurry flows out of the biogas slurry pipe 11 and falls into the uppermost filtering tank 2, the filtering screen 22 at the bottom of the filtering tank 2 filters the biogas slurry, biogas residues are stored on the filtering screen 22, the rotating filtering tank 2 driven by the rotating shaft 41 of the motor 4 is in extrusion contact with the scraping plate 12, the hairbrush 121 at the bottom of the scraping plate 12 concentrates the biogas residues on the filtering screen 22, and the concentrated biogas residues are pushed down from the cutting part 21 along with the rotation of the filtering tank 2. In the above process, when the cut-off portion 21 of the filter tank 2 is in a vertical relationship with the biogas slurry pipe 11, the biogas slurry passes through the uppermost filter tank 2 without being filtered, falls into the lower filter tank 2, and is then filtered and cleaned in the lower filter tank 2. The biogas slurry is filtered once or a plurality of times to generate clear biogas slurry, and finally falls into the liquid collecting tank 3 from the filtering tank 2 at the last lower layer and flows out from the liquid outlet pipe 32 to be collected. After the filtered biogas residues in the biogas slurry are accumulated for a plurality of times, the biogas residues are scraped off from the cutting part 21 of the lowest filtering tank 2 by the scraping plate 12, and the scraped biogas residues fall into the biogas residue chamber 13 after passing through the notch 31 of the liquid collecting tank 3, and are pulled out from the slag hole 131 for cleaning.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. The utility model provides a but continuous filter equipment of natural pond liquid, includes device shell (1), filter vat (2), collecting vat (3) and motor (4), device shell (1) include natural pond liquid pipe (11), scraper blade (12), natural pond sediment room (13) and perforation (14), its characterized in that: the utility model discloses a filter tank, including filter tank (2), filter tank (2) bottom, filter tank (2) are equipped with through-hole (221) for cutting off on the filter tank (2), filter tank (2) are two at least, and perpendicular distribution between filter tank (2), and filter tank (2) cut off on the portion (21) stagger 180 each other, liquid collecting tank (3) are annular groove form structure, cut off on liquid collecting tank (3) and be equipped with closed breach (31), liquid collecting tank (3) lateral wall protrusion is equipped with drain pipe (32), and drain pipe (32) stretch out from perforation (14), liquid collecting tank (3) are fixed at device shell (1) inner wall through the screw, and liquid collecting tank (3) are located filter tank (2) vertical below, the central point of motor (4) fixed mounting in device shell (1) bottom puts, and axis of rotation (41) of rotation (4) are upwards vertically erects, axis (41) outer wall welded fastening has steel pipe (42), and the inside wall welded fastening of steel pipe (42) other end at filter tank (2).
2. The continuous biogas slurry filtering device according to claim 1, wherein: the radian of the cutting part (21) is smaller than pi/4, and inclined parts (222) are arranged at the two ends of the connection part of the filter screen (22) and the cutting part (21) in a cutting way.
3. The continuous biogas slurry filtering device according to claim 1, wherein: the liquid outlet of the biogas slurry pipe (11) is arranged at the top of the filter tank (2).
4. The continuous biogas slurry filtering device according to claim 1, wherein: the scraping plate (12) is arranged at the top of the filter tank (2), the scraping plate (12) is fixedly arranged on the inner wall of the device shell (1) through screws, and the hairbrush (121) at the bottom of the scraping plate (12) stretches into the groove of the filter tank (2).
5. The continuous biogas slurry filtering device according to claim 4, wherein: the number of the scrapers (12) is the same as that of the filter tanks (2), and the angles of the scrapers (12) in the horizontal direction are staggered by 180 degrees.
6. The continuous biogas slurry filtering device according to claim 1, wherein: the biogas residue chamber (13) is arranged at the bottom of the inner wall of the device shell (1), the biogas residue chamber (13) is arranged right below the notch (31) of the liquid collecting groove (3), and a slag outlet (131) is formed at the joint of the biogas residue chamber (13) and the device shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897561.4A CN108721970B (en) | 2018-08-08 | 2018-08-08 | Biogas slurry continuous filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810897561.4A CN108721970B (en) | 2018-08-08 | 2018-08-08 | Biogas slurry continuous filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108721970A CN108721970A (en) | 2018-11-02 |
| CN108721970B true CN108721970B (en) | 2023-11-17 |
Family
ID=63942572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810897561.4A Active CN108721970B (en) | 2018-08-08 | 2018-08-08 | Biogas slurry continuous filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108721970B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3373873A (en) * | 1965-05-12 | 1968-03-19 | Alfred H. Parmentier | Multiple element, horizontally rotating, filter pans having pivoting bottoms |
| EP0098643A2 (en) * | 1982-07-05 | 1984-01-18 | DrM, Dr. Müller AG | Device for fastening filter candles |
| DE10020974A1 (en) * | 1999-08-14 | 2001-02-15 | Reishauer Ag | Process for filtering liquids comprises pressing the unfiltered liquid inside a pressure container through a filter with several filter candles such that the filtrate remains in the container and is removed at periodic intervals |
| CN203379683U (en) * | 2013-08-07 | 2014-01-08 | 长春黄金研究院 | Automatic-cleaning pipeline filter |
| CN106731086A (en) * | 2016-12-20 | 2017-05-31 | 天津市宏正中宇环保设备有限公司 | The chemical solution filter machine that a kind of impurity is convenient to clean |
-
2018
- 2018-08-08 CN CN201810897561.4A patent/CN108721970B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3373873A (en) * | 1965-05-12 | 1968-03-19 | Alfred H. Parmentier | Multiple element, horizontally rotating, filter pans having pivoting bottoms |
| EP0098643A2 (en) * | 1982-07-05 | 1984-01-18 | DrM, Dr. Müller AG | Device for fastening filter candles |
| DE10020974A1 (en) * | 1999-08-14 | 2001-02-15 | Reishauer Ag | Process for filtering liquids comprises pressing the unfiltered liquid inside a pressure container through a filter with several filter candles such that the filtrate remains in the container and is removed at periodic intervals |
| CN203379683U (en) * | 2013-08-07 | 2014-01-08 | 长春黄金研究院 | Automatic-cleaning pipeline filter |
| CN106731086A (en) * | 2016-12-20 | 2017-05-31 | 天津市宏正中宇环保设备有限公司 | The chemical solution filter machine that a kind of impurity is convenient to clean |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108721970A (en) | 2018-11-02 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231016 Address after: 221400 No.2 Taishan Road, Wuxi Xinyi Industrial Park, Xinyi City, Xuzhou City, Jiangsu Province Applicant after: Jiangsu haidiwei Hydraulic Co.,Ltd. Address before: 421800 Dajin Village, Caizichi Sub district Office, Leiyang City, Hengyang City, Hunan Province Applicant before: LEIYANG RUNZHAODA AGRICULTURAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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