CN113444554A - Marsh gas pressure balance filter equipment that animal husbandry excrement fermentation was handled and is used - Google Patents
Marsh gas pressure balance filter equipment that animal husbandry excrement fermentation was handled and is used Download PDFInfo
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- CN113444554A CN113444554A CN202110729387.4A CN202110729387A CN113444554A CN 113444554 A CN113444554 A CN 113444554A CN 202110729387 A CN202110729387 A CN 202110729387A CN 113444554 A CN113444554 A CN 113444554A
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- filter screen
- end cover
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- pressure balance
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention belongs to the field of methane balance filtration, and particularly relates to a methane air pressure balance filtration device for fermentation treatment of animal husbandry excrement, which comprises a filter screen cylinder, an end cover, an air delivery pipe, an air injection cover, a sponge filter screen, a fixing ring, a T-shaped clamping block, a clamping groove, a sealing ring, a supporting ring, a first spring, a conical block, a fastening bolt, a nut, a strip-shaped rod, a strip-shaped groove, a T-shaped block, a limiting block, a second spring and a limiting groove; install the end cover on filter screen section of thick bamboo top for T type fixture block passes the square through groove of draw-in groove, rotate the end cover after that, the end cover rotates and drives inside T type fixture block removal entering arc wall, and then with the end cover joint on solid fixed ring, the installation of completion end cover, the design of sealing ring has improved the sealed effect between end cover and the filter screen section of thick bamboo, the supporting ring extrudees the toper piece, the toper piece receives the extrusion removal and extrudees spring one, when aliging on the recess on toper piece and the supporting ring, the toper piece removes inside the entering recess under the effect of spring elasticity.
Description
Technical Field
The invention relates to the field of methane balance filtration, in particular to a methane pressure balance filtration device for fermentation treatment of animal husbandry excrement.
Background
Biogas, as the name implies, is the gas in the marsh. People often see that bubbles emerge from marshland, sewage ditches or septic tanks, and if people scratch matches, the matches can be ignited, which is the natural marsh gas. Biogas is a combustible gas produced by various organic substances through the fermentation of microorganisms under the conditions of air isolation (reduction conditions) and proper temperature and pH value.
The biogas pressure balance filtering device can filter particles mixed in the biogas, the sponge filter screen cleans the biogas entering the inside of the filter screen cylinder, and the sponge filter screen is fixedly arranged inside the filter screen cylinder and is inconvenient to replace.
The biogas air pressure balance filter device who uses at present has certain defect, lacks the convenient installation mechanism of end cover, causes inconveniently to install the jet hood inside the sponge filter screen, and is inconvenient to the jet hood clearance maintenance. Therefore, the biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement is provided for solving the problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that an end cover convenient and fast installation mechanism is lacked, the air injection cover is inconvenient to install in a sponge filter screen, and the air injection cover is inconvenient to clean and maintain, the invention provides a methane air pressure balance filtering device for the fermentation treatment of animal husbandry excrement.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a biogas air pressure balance filtering device for fermentation treatment of animal husbandry excrement, which comprises a filtering screen cylinder, an end cover, an air delivery pipe, an air injection cover, a sponge filtering screen and an installation mechanism, wherein the filtering screen cylinder is arranged on the end cover; an end cover is installed at the top end of the filter screen cylinder, a gas pipe is installed at the top end of the end cover, the bottom end of the gas pipe penetrates through the end cover and extends into the filter screen cylinder, and a gas spraying cover is fixedly installed on the filter screen cylinder;
the installation mechanism comprises a fixing ring, T-shaped fixture blocks, clamping grooves and sealing rings, the annular side surface of the filter screen cylinder is fixedly provided with the fixing ring, the top end of the fixing ring is attached to the bottom end of the end cover, the two T-shaped fixture blocks are symmetrically and fixedly installed at the bottom end of the end cover, the top end of the fixing ring is symmetrically provided with the two clamping grooves, the bottom end of each T-shaped fixture block penetrates through the clamping grooves and is attached to the bottom end of the fixing ring, the bottom end of the end cover is fixedly provided with the sealing rings, the annular side surface of each sealing ring is attached to the inner wall of the filter screen cylinder, the end cover is installed at the top end of the filter screen cylinder, the T-shaped fixture blocks penetrate through the square through grooves of the clamping grooves, then the end cover is rotated to drive the T-shaped fixture blocks to move into the arc-shaped grooves, the end cover is clamped on the fixing ring, the installation of the end cover is completed, and the sealing effect between the end cover and the filter screen cylinder is improved by the design of the sealing rings.
Preferably, the clamping groove consists of a square through groove and an arc-shaped groove, two square through grooves and two arc-shaped grooves are symmetrically formed in the top end of the fixing ring, and one end of each arc-shaped groove is communicated with the corresponding square through groove; the structural design of the clamping groove is convenient for clamping the T-shaped clamping block inside the fixing ring.
Preferably, a support ring is fixedly installed on the annular side face of the sponge filter screen, two springs I are symmetrically and fixedly installed in the filter screen cylinder, a conical block is fixedly installed at the other end of each spring, and one end of each conical block extends into the support ring; install the sponge filter screen inside a filter screen section of thick bamboo for the supporting ring extrudees the toper piece, and the toper piece receives the extrusion to move and extrudees spring one, when aliging on toper piece and the recess on the supporting ring, the toper piece removes inside getting into the recess under the effect of spring elasticity, and then installs supporting ring and sponge filter screen inside a filter screen section of thick bamboo.
Preferably, two grooves are symmetrically formed in the annular side face of the support ring, the size of the cross section of each groove is the same as that of the cross section of one end of the conical block, where the spring is fixedly arranged, and one end of the conical block extends into the corresponding groove; the design of recess is convenient for with toper piece one end joint inside the support ring, is convenient for with the support ring joint inside a filter screen section of thick bamboo.
Preferably, two strip-shaped grooves are symmetrically formed in the annular side surface of the support ring, two strip-shaped rods are symmetrically and fixedly mounted in the filter screen cylinder, and the strip-shaped rods are mounted in the strip-shaped grooves; the design of bar pole and bar groove is convenient for install the support ring is spacing inside filter screen section of thick bamboo, and the toper piece of being convenient for is in same vertical face with the recess.
Preferably, two fastening bolts are symmetrically arranged on the annular side surface of the filter screen cylinder, and one ends of the fastening bolts extend into the filter screen cylinder and are aligned with the middle position of one end of the conical block fixedly provided with the spring; and the fastening bolt is screwed and moves along the nut, the fastening bolt moves to drive the conical block to move to completely enter the groove, the mounting stability of the support ring is improved, the conical block moves to stretch the first spring, and the elastic force of the first spring is convenient for the movement and resetting of the conical block.
Preferably, the annular side surface of the fastening bolt is provided with a nut, and the outer side of the nut is fixedly arranged in the filter screen cylinder; the design of the nut facilitates the horizontal movement of the fastening bolt.
Preferably, the fixing ring is fixedly arranged on the annular side surface of the filter screen cylinder through a first screw, the gas pipe is fixedly arranged on the end cover through a second screw, a circular through hole is formed in the top end of the end cover, and the gas pipe is inserted into the circular through hole; the first screw and the second screw are convenient for fixing the ring and installing the gas pipe, and the circular through hole is convenient for installing the gas pipe inside the end cover.
The invention has the advantages that:
1. according to the invention, the end cover is arranged at the top end of the filter screen cylinder, so that the T-shaped fixture block passes through the square through groove of the clamping groove, then the end cover is rotated, the end cover rotates to drive the T-shaped fixture block to move into the arc-shaped groove, and then the end cover is clamped on the fixing ring to complete the installation of the end cover, the sealing effect between the end cover and the filter screen cylinder is improved due to the design of the sealing ring, and the problems that the air injection cover is inconvenient to install in the sponge filter screen and is inconvenient to clean and maintain due to the lack of a convenient installation mechanism of the end cover are solved;
2. according to the invention, the sponge filter screen is arranged in the filter screen cylinder, so that the support ring extrudes the conical block, the conical block is extruded by the extrusion movement to extrude the first spring, when the conical block is aligned with the groove on the support ring, the conical block moves into the groove under the action of the elastic force of the first spring, the support ring and the sponge filter screen are further arranged in the filter screen cylinder, the fastening bolt is screwed, the fastening bolt moves along the nut, and the fastening bolt moves to drive the conical block to move completely into the groove, so that the mounting stability of the support ring is improved, and the problem that the sponge filter screen is inconvenient to replace due to the fact that the sponge filter screen is fixedly arranged in the filter screen cylinder is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram according to a first embodiment;
FIG. 2 is a sectional view of the overall structure of the first embodiment;
FIG. 3 is a schematic view of a retaining ring according to an embodiment;
FIG. 4 is a schematic view of a clamping structure of the support ring according to the first embodiment;
fig. 5 is a schematic view of an assembly structure of the end cap and the fixing ring according to the second embodiment.
In the figure: 1. a filter screen cylinder; 2. an end cap; 3. a gas delivery pipe; 4. an air blast hood; 5. a sponge filter screen; 6. A fixing ring; 7. a T-shaped fixture block; 8. a card slot; 9. a seal ring; 10. a support ring; 11. a first spring; 12. A conical block; 13. fastening a bolt; 14. a nut; 15. a bar-shaped rod; 16. a strip-shaped groove; 17. a T-shaped block; 18. a limiting block; 19. a second spring; 20. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, a biogas pressure balance filtering device for fermentation treatment of animal husbandry excrement comprises a filtering net barrel 1, an end cover 2, a gas pipe 3, a gas spraying cover 4, a sponge filtering net 5 and an installation mechanism; an end cover 2 is installed at the top end of the filter screen cylinder 1, a gas pipe 3 is installed at the top end of the end cover 2, the bottom end of the gas pipe 3 penetrates through the end cover 2 and extends into the filter screen cylinder 1, a gas spraying cover 4 is fixedly installed, a sponge filter screen 5 is installed in the filter screen cylinder 1, and the annular side face of the gas spraying cover 4 is attached to the inner wall of the sponge filter screen 5;
the mounting mechanism comprises a fixing ring 6, T-shaped fixture blocks 7, clamping grooves 8 and a sealing ring 9, the fixing ring 6 is fixedly mounted on the annular side surface of the filter screen cylinder 1, the top end of the fixing ring 6 is attached to the bottom end of the end cover 2, the two T-shaped fixture blocks 7 are symmetrically and fixedly mounted at the bottom end of the end cover 2, the two clamping grooves 8 are symmetrically formed in the top end of the fixing ring 6, the bottom ends of the T-shaped fixture blocks 7 penetrate through the clamping grooves 8 and are attached to the bottom end of the fixing ring 6, the sealing ring 9 is fixedly mounted at the bottom end of the end cover 2, and the annular side surface of the sealing ring 9 is attached to the inner wall of the filter screen cylinder 1; during operation, install end cover 2 on filter screen section of thick bamboo 1 top for T type fixture block 7 passes the square through groove of draw-in groove 8, rotates end cover 2 after that, and inside end cover 2 rotated and drives T type fixture block 7 and remove and get into the arc wall, and then with the joint of end cover 2 on solid fixed ring 6, accomplished end cover 2's installation, the design of sealing ring 9 has improved the sealed effect between end cover 2 and the filter screen section of thick bamboo 1.
The clamping groove 8 consists of a square through groove and an arc-shaped groove, two square through grooves and two arc-shaped grooves are symmetrically formed in the top end of the fixing ring 6, and one end of each arc-shaped groove is communicated with the corresponding square through groove; during operation, the structural design of the clamping groove 8 is convenient for clamping the T-shaped clamping block 7 in the fixing ring 6.
A support ring 10 is fixedly installed on the annular side surface of the sponge filter screen 5, two springs I11 are symmetrically and fixedly installed in the filter screen cylinder 1, a conical block 12 is fixedly installed at the other end of each spring I11, and one end of each conical block 12 extends into the support ring 10; during operation installs sponge filter 5 inside filter screen section of thick bamboo 1 for support ring 10 extrudees toper piece 12, and toper piece 12 receives the extrusion to move and extrudees spring 11, when aliging on toper piece 12 and the recess on the support ring 10, toper piece 12 moves under the effect of spring 11 elasticity and gets into inside the recess, and then installs support ring 10 and sponge filter 5 inside filter screen section of thick bamboo 1.
Two grooves are symmetrically formed in the annular side face of the support ring 10, the size of the cross section of each groove is the same as that of the cross section of one end, fixedly provided with a spring I11, of the conical block 12, and one end of the conical block 12 extends into the corresponding groove; during operation, the design of recess is convenient for with conical block 12 one end joint inside support ring 10, is convenient for with support ring 10 joint inside filter screen section of thick bamboo 1.
Two strip-shaped grooves 16 are symmetrically formed in the annular side surface of the support ring 10, two strip-shaped rods 15 are symmetrically and fixedly mounted in the filter screen cylinder 1, and the strip-shaped rods 15 are mounted in the strip-shaped grooves 16; during operation, the design of bar-shaped rod 15 and bar-shaped groove 16 is convenient for install support ring 10 inside filter screen cylinder 1 in a limiting way, and conical block 12 and the groove are convenient for to be on the same vertical surface.
Two fastening bolts 13 are symmetrically arranged on the annular side surface of the filter screen cylinder 1, and one ends of the fastening bolts 13 extend into the filter screen cylinder 1 and are aligned with the middle position of one end of the conical block 12 fixedly provided with the first spring 11; during operation, the fastening bolt 13 is screwed, the fastening bolt 13 moves along the nut 14, the fastening bolt 13 moves to drive the conical block 12 to move and completely enter the groove, the mounting stability of the support ring 10 is improved, the conical block 12 moves to stretch the first spring 11, and the elastic force of the first spring 11 facilitates the movement and resetting of the conical block 12.
The annular side surface of the fastening bolt 13 is provided with a nut 14, and the outer side of the nut 14 is fixedly arranged in the filter screen cylinder 1; in operation, the design of the nut 14 facilitates horizontal movement of the fastening bolt 13.
The fixing ring 6 is fixedly arranged on the annular side surface of the filter screen cylinder 1 through a first screw, the gas pipe 3 is fixedly arranged on the end cover 2 through a second screw, a circular through hole is formed in the top end of the end cover 2, and the gas pipe 3 is inserted into the circular through hole; during operation, the first screw and the second screw are convenient for fixing the fixing ring 6 and the gas pipe 3, and the gas pipe 3 is convenient to be installed inside the end cover 2 due to the design of the circular through hole.
Example two
Referring to fig. 5, as another embodiment of the present invention, in a first comparative example, two accommodating grooves are symmetrically formed in the bottom end of an end cover 2, two T-shaped blocks 17 are symmetrically installed at the top end of the end cover 2, the bottom ends of the T-shaped blocks 17 extend into the accommodating grooves and are fixedly installed with limiting blocks 18, a second spring 19 is installed on an annular side surface of the T-shaped block 17, two ends of the second spring 19 are respectively and fixedly installed on the T-shaped blocks 17 and the end cover 2, two limiting grooves 20 are symmetrically formed on an annular side surface of a fixing ring 6, the bottom ends of the limiting blocks 18 extend into the limiting grooves 20, and balls are installed at the bottom ends of the limiting blocks 18; the during operation, in the 2 installation of end cover, gu fixed ring 6 extrudes stopper 18, make stopper 18 remove to get into and accomodate the inslot portion, stopper 18 removes and drives T type piece 17 and removes, T type piece 17 removes and extrudes two 19 springs, rotate the in-process at end cover 2 and remove stopper 18, when stopper 18 aligns with spacing groove 20, under the effect of two 19 spring forces of spring, T type piece 17 removes and drives stopper 18 and remove and get into spacing inslot 20, avoid end cover 2 to take place to rotate, the design of ball has reduced the frictional force between stopper 18 and the fixed ring 6.
The theory of operation installs end cover 2 on a filter screen section of thick bamboo 1 top for T type fixture block 7 passes the square through groove of draw-in groove 8, rotates end cover 2 after that, and inside end cover 2 rotated and drives T type fixture block 7 and remove and get into the arc wall, and then with the joint of end cover 2 on solid fixed ring 6, accomplished end cover 2's installation, the design of sealing ring 9 has improved the sealed effect between end cover 2 and the filter screen section of thick bamboo 1.
Install sponge filter screen 5 inside filter screen section of thick bamboo 1, make support ring 10 extrude toper piece 12, toper piece 12 receives the extrusion to move and extrudees spring 11, when aligning on toper piece 12 and the recess on the support ring 10, toper piece 12 moves inside getting into the recess under the effect of spring 11 elasticity, and then install support ring 10 and sponge filter screen 5 inside filter screen section of thick bamboo 1, twist fastening bolt 13, fastening bolt 13 moves along nut 14, fastening bolt 13 moves inside driving toper piece 12 to move and getting into the recess completely, the stability of support ring 10 installation has been improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A biogas pressure balance filtering device for fermentation treatment of animal husbandry excrement is characterized in that: comprises a filter screen cylinder (1), an end cover (2), a gas pipe (3), a gas spraying cover (4), a sponge filter screen (5) and an installation mechanism; an end cover (2) is installed at the top end of the filter screen cylinder (1), a gas pipe (3) is installed at the top end of the end cover (2), the bottom end of the gas pipe (3) penetrates through the end cover (2), extends into the filter screen cylinder (1) and is fixedly provided with a gas spraying cover (4), a sponge filter screen (5) is installed in the filter screen cylinder (1), and the annular side surface of the gas spraying cover (4) is attached to the inner wall of the sponge filter screen (5);
installation mechanism is including solid fixed ring (6), T type fixture block (7), draw-in groove (8) and sealing ring (9), fixed mounting has solid fixed ring (6) on filter screen section of thick bamboo (1) the ring flank, gu fixed ring (6) top is laminated with end cover (2) bottom mutually, two T type fixture blocks (7) of end cover (2) bottom symmetry fixed mounting, gu fixed ring (6) top symmetry sets up two draw-in grooves (8), T type fixture block (7) bottom is passed draw-in groove (8) and is laminated with solid fixed ring (6) bottom mutually, end cover (2) bottom fixed mounting has sealing ring (9), and sealing ring (9) the ring flank is laminated with filter screen section of thick bamboo (1) inner wall mutually.
2. The biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement according to claim 1, which is characterized in that: the clamping groove (8) is composed of a square through groove and an arc-shaped groove, the two square through grooves and the two arc-shaped grooves are symmetrically formed in the top end of the fixing ring (6), and one end of each arc-shaped groove is communicated with the corresponding square through groove.
3. The biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement according to claim 1, which is characterized in that: fixed mounting has support ring (10) on sponge filter screen (5) annular side, two spring (11) of the inside symmetry fixed mounting of filter screen section of thick bamboo (1), spring (11) other end fixed mounting has toper piece (12), toper piece (12) one end extends to inside support ring (10).
4. The biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement according to claim 3, which is characterized in that: two grooves are symmetrically formed in the annular side face of the support ring (10), the cross section of each groove is the same as that of one end, fixedly provided with a spring I (11), of the conical block (12), and one end of the conical block (12) extends into the corresponding groove.
5. The biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement according to claim 3, which is characterized in that: two strip-shaped grooves (16) are symmetrically formed in the annular side face of the support ring (10), two strip-shaped rods (15) are symmetrically and fixedly mounted in the filter screen cylinder (1), and the strip-shaped rods (15) are mounted in the strip-shaped grooves (16).
6. The biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement according to claim 5, which is characterized in that: two fastening bolts (13) are symmetrically installed on the annular side face of the filter screen cylinder (1), and one end of each fastening bolt (13) extends into the filter screen cylinder (1) and is aligned with the middle position of one end of a first spring (11) fixedly installed on the conical block (12).
7. The biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement according to claim 6, which is characterized in that: and a nut (14) is arranged on the annular side surface of the fastening bolt (13), and the outer side of the nut (14) is fixedly arranged in the filter screen cylinder (1).
8. The biogas pressure balance filtering device for the fermentation treatment of the animal husbandry excrement according to claim 1, which is characterized in that: the fixing ring (6) is fixedly arranged on the annular side face of the filter screen cylinder (1) through a screw I, the gas pipe (3) is fixedly arranged on the end cover (2) through a screw II, a circular through hole is formed in the top end of the end cover (2), and the gas pipe (3) is inserted into the circular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110729387.4A CN113444554A (en) | 2021-06-29 | 2021-06-29 | Marsh gas pressure balance filter equipment that animal husbandry excrement fermentation was handled and is used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110729387.4A CN113444554A (en) | 2021-06-29 | 2021-06-29 | Marsh gas pressure balance filter equipment that animal husbandry excrement fermentation was handled and is used |
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| CN113444554A true CN113444554A (en) | 2021-09-28 |
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| CN202110729387.4A Pending CN113444554A (en) | 2021-06-29 | 2021-06-29 | Marsh gas pressure balance filter equipment that animal husbandry excrement fermentation was handled and is used |
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| CN208927833U (en) * | 2018-05-15 | 2019-06-04 | 江苏久历森环境科技有限公司 | A kind of filter cartridge type multi-pipeline crosses water deduster |
| CN110760354A (en) * | 2019-10-31 | 2020-02-07 | 广东石油化工学院 | Biogas purification and purification device for livestock and poultry manure biogas digester |
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Application publication date: 20210928 |