CN105498326B - A kind of efficiently adjustable biogas slurry filter device - Google Patents
A kind of efficiently adjustable biogas slurry filter device Download PDFInfo
- Publication number
- CN105498326B CN105498326B CN201610063884.4A CN201610063884A CN105498326B CN 105498326 B CN105498326 B CN 105498326B CN 201610063884 A CN201610063884 A CN 201610063884A CN 105498326 B CN105498326 B CN 105498326B
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- titanium alloy
- filter
- biogas slurry
- cabinet
- strainer
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- 239000002002 slurry Substances 0.000 title claims abstract description 54
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 83
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 239000000706 filtrate Substances 0.000 claims abstract description 15
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 24
- 239000000956 alloy Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 22
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 20
- 230000032683 aging Effects 0.000 claims description 13
- 238000005422 blasting Methods 0.000 claims description 13
- 238000003723 Smelting Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000003973 paint Substances 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 7
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 239000002738 chelating agent Substances 0.000 claims description 6
- 229960001484 edetic acid Drugs 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000005554 pickling Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 238000011001 backwashing Methods 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 6
- 230000002262 irrigation Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004744 fabric Substances 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
- 239000003337 fertilizer Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013327 media filtration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000005406 washing 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
- B01D29/01—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 flat filtering elements
-
- 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
- B01D29/01—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 flat filtering elements
- B01D29/012—Making filtering elements
-
- 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
Abstract
The invention discloses a kind of efficiently adjustable biogas slurry filter devices, including cabinet, inlet tube is installed in the middle part of cabinet left end, right end bottom is equipped with drain pipe, tank floor is the incline structure of right low left high, cabinet wall is equipped with the spaced apart filter element of several groups, every group of filter element includes a titanium alloy strainer and four mounting grooves, mounting groove is symmetrical two-by-two and is fixed in cabinet wall two sides, two ipsilateral mounting groove arranged for interval, titanium alloy strainer is inserted into two adjacent fitting grooves, cabinet is divided into several separate spaces by filter element, left end is biogas slurry room, it is clear filter chamber between every two adjacent filtration member, right end is refined filtration room.The device has filter efficiency high, the adjustable section of filtering accuracy and stabilization, no replacement is required filtrate, need to only rinse the advantages that can running steadily in the long term.
Description
Technical field
The present invention relates to technical field of new energy application, and in particular to a kind of efficiently adjustable biogas slurry filter device.
Background technique
The biogas slurry that feces of livestock and poultry is formed after biogas fermentation is used in Fertilizer Transformed recycles often through irrigation system
In the irrigation of greenhouse and farmland, but in the biogas slurry directly after application or simple filtration, there are part bulky grain suspended matters, hold
Drop spray orifice easily in blocking irrigation system, to influence the normal work of irrigation system.Existing biogas slurry filter device is mainly
The modes such as sponge filtering, media filtration, net filtration, film filtering, since the bulky grain suspended matter in biogas slurry contains a large amount of activity
Microorganism is all easy to adhere to for above-mentioned filtering material, needs to frequently replace and rinse titanium alloy strainer, influences making for system
With.
Chinese patent CN200910084985.X discloses a kind of marsh liquid filter, including by crossing titanium alloy strainer level point
The biogas slurry room and clear liquid room of cloth and equipartition, biogas slurry room upper end are connected with biogas slurry inlet tube, and clear liquid room is connected with filtrate (liquid
Pipe, crosses titanium alloy strainer and biogas slurry inlet tube is at an acute angle, and biogas slurry import is close and face crosses titanium alloy strainer, the bottom of biogas slurry room
It is also connected with scum pipe.The program has the following problems: suspended matter deposit efficiency on crossing titanium alloy strainer is not high in biogas slurry, no
Depth-type filtration can be carried out to biogas slurry.
In addition, Chinese patent CN201310321015.3 discloses a kind of degradable filtrate marsh liquid filter and its filtering side
Method, including cabinet, top of the box are equipped with floating filtrate and load mouth and fixed filtrate filling mouth, and middle part is provided with inlet, bottom
It is provided with slag notch；Cabinets cavity is divided into the floating filter media room on inlet top and the precipitating of inlet lower part by inlet
Room；Floating filtrate is set in floating filter media room, and slag notch is connected to mud chamber, and floating filtrate loads mouth and floating filter media room connects
It is logical, and connectivity part is provided with grid, and fixed filtrate is provided in fixed filter media room, is connected with liquid outlet in fixed filter media room.It should
Scheme has the following problems: the filter cannot clean and recoil, and degradable floating filtrate is because cannot in the short time
It is degraded into required particle diameter or is precipitated to mud chamber, fixed filtrate can be blocked instead, cause fixed losing efficacy of filtrating box.
Obviously, existing biogas slurry filter device there is a problem of various, and it is next to be badly in need of a kind of new biogas slurry filter device
It solves these problems.
Summary of the invention
The present invention is intended to provide a kind of efficiently adjustable biogas slurry filter device is to solve present in existing biogas slurry filter device
The problem of, and the present invention has filter efficiency high, the adjustable section of filtering accuracy and stabilization, no replacement is required filtrate, only needs to rinse
The advantages that can running steadily in the long term.
The present invention is achieved by following technical solution:
A kind of efficiently adjustable biogas slurry filter device, including cabinet, cabinet left end middle part are equipped with inlet tube, right end bottom
Drain pipe is installed, tank floor is the incline structure of right low left high, and cabinet wall is equipped with the spaced apart filtering of several groups
Unit, every group of filter element include a titanium alloy strainer and four mounting grooves, and mounting groove is symmetrical two-by-two and is fixed in cabinet
Inner wall two sides, two ipsilateral mounting groove arranged for interval, titanium alloy strainer are inserted into two adjacent fitting grooves, and filter element will
Cabinet is divided into several separate spaces, and it is clear filter chamber between every two adjacent filtration member, right end is that left end, which is biogas slurry room,
Refined filtration room.
The filter element installed in the cabinet is tilted to the right arrangement, the angle between filter element and cabinet top end face
For acute angle.
Backflushing water intake pipe is installed, cabinet left end bottom is equipped with recoil scum pipe on the drain pipe.
Successively successively decrease in filter opening aperture in the filter element on titanium alloy strainer.
Biogas slurry ceiling portion is equipped with overflow observation tube.
The filter element at least 4.
The titanium alloy strainer is made of following raw material: Si5.0-8.0%, In0.05-0.25%, V0.02-0.05%,
Mg0.15-0.25%, Cr0.7-0.9%, Ti15-20%, Zn0.02-0.04%, Mn0.45-0.75%, Sn0.05-
0.15%, Fe0.1-0.3%, Cu0.01-0.02%, Ni0.01-0.02%, remaining is aluminium and inevitable impurity；
The titanium alloy strainer is made of following raw material: Si5.5-7.5%, In0.12-0.2%, V0.03-0.04%,
Mg0.18-0.22%, Cr0.75-0.85%, Ti17-19%, Zn0.022-0.03%, Mn0.53-0.6%, Sn0.08-
0.1%, Fe0.14-0.25%, Cu0.012-0.018%, Ni0.013-0.016%, remaining is aluminium and inevitable impurity.
The titanium alloy strainer is made of following raw material: Si6.5%, In0.15%, V 0.035%, Mg0.2%,
Cr0.8%, Ti18%, Zn0.025%, Mn0.55%, Sn0.09%, Fe0.15%, Cu0.015%, Ni0.015%, remaining
For aluminium and inevitable impurity
The processing method of the titanium alloy strainer the following steps are included:
(a) raw material mixes: taking each component raw material alloyage according to the above ratio, alloy, which is placed in smelting furnace, to be melted, fusing
Temperature is 1900-2100 DEG C；
(b) melting: it is passed through nitrogen into smelting furnace as protection gas after keeping furnace temperature 1-2h after alloy melting and continues
Melting 30-50min；
(c) it is poured: being poured after the completion of melting, melt alloy after alloy molten solution temperature is reduced to 1500-1650 DEG C
Liquid injects in box mold, and demoulding obtains the titanium alloy sheet of 2.5-3cm thickness after casting is cooled to room temperature；
(d) it is heat-treated: titanium alloy sheet being heated to 800-850 DEG C and is quenched, then carry out ageing treatment twice, first
Secondary aging temperature is 450 DEG C, keeps the temperature 3-5h, is then passed through nitrogen in vacuum environment and is cooled down, at second of timeliness
Managing temperature is 380 DEG C, keeps the temperature 10-12h, then be cooled to 220 DEG C with the rate of 1 DEG C/min, natural cooling of coming out of the stove after heat preservation 8-10h
To room temperature；
(e) it drills: the titanium alloy sheet after heat treatment being placed on workbench and is fixed, then onboard mark drilling position
It sets, drills out several filter openings of array arrangement, aperture 0.5-2.5mm on titanium alloy sheet with automatic drilling equipment；
(f) reaming: carrying out expanding treatment in each filter opening rear and front end being drilled respectively, and the opening at filter opening both ends is ground
Tapered, taper requires to be 85-120 °, and taper depth is the 1/10-1/6 of plate thickness；
(g) blasting treatment: blasting treatment is carried out to titanium alloy sheet surface using the white fused alumina of 200 mesh, blasting pressure is
0.3-0.45MPa, time 15-30s；
(h) pickling processes: using the mixing of sulfamic acid 5%, nitric acid 75%, ethylenediamine tetra-acetic acid 15%, chelating agent 5%
Liquid cleans titanium alloy sheet, and mixeding liquid temperature is 85-95 DEG C；
(i) protective layer coats: uniformly coating the protective layer that a layer thickness is 0.1-0.2mm thickness on titanium alloy sheet surface, protects
Sheath is metallic paint, is got product after metallic paint solidification.
The beneficial effects of the present invention are:
Compared with prior art, efficiently adjustable biogas slurry filter device provided by the invention has the advantage that
1) it using horizontally disposed, the shortcomings that overcoming the suspended matter short time in biogas slurry and be not easy heavy solution layering, can more play
The function of strainer；
2) inlet tube face strainer, and water (flow) direction and filtering net surface are in obtuse angle, can effectively improve strainer and biogas slurry contact surface,
Strainer is set sufficiently to filter big diameter substance in biogas slurry；
3) bottom of box is incline structure, can effectively improve the deposition efficiency of big diameter substance in biogas slurry, guarantees effectively filter
Web area；
4) the filter opening aperture on strainer is successively successively decreased, and can be directed to different filtering requirements, and can reach the mesh of depth-type filtration
's；
5) strainer is titanium alloy material, intensity and excellent anti-corrosion performance, and service life increases substantially；
6) mounting groove can facilitate strainer installation and periodically take out high pressure washing；
It 7), can effective reversed-cleaning filter device by setting backflushing water intake pipe and recoil scum pipe, it is ensured that system is stablized
Operation；
8) by overflow peep hole observable filter net jam situation, recoil opportunity is effectively controlled.
Detailed description of the invention
Fig. 1 is top view of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is the cross-sectional view of titanium alloy strainer in the present invention；
In figure: 1- cabinet, 2- inlet tube, 3- recoil scum pipe, 4- overflow observation tube, 5- mounting groove, 6- titanium alloy strainer,
7- drain pipe, 8- backflushing water intake pipe, 9- biogas slurry room, the clear filter chamber of 10-, 11- refined filtration room, 61- filter opening.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawings and embodiments, but required protection scope
It is not limited to described；
As shown in Figure 1-3, efficiently adjustable biogas slurry filter device provided by the invention, including cabinet 1, in 1 left end of cabinet
Portion is equipped with inlet tube 2, and right end bottom is equipped with drain pipe 7, and 1 bottom surface of cabinet is the incline structure of right low left high, 1 inner wall of cabinet
The spaced apart filter element of several groups is installed, every group of filter element includes a titanium alloy strainer 6 and four mounting grooves
5, mounting groove 5 is symmetrical two-by-two and is fixed in 1 inner wall two sides of cabinet, two ipsilateral 5 arranged for interval of mounting groove, titanium alloy strainer 6
It is inserted into two adjacent fitting grooves 5, filter element divides cabinet 1 for several separate spaces, and left end is biogas slurry room 9, often
It is clear filter chamber 10 between two adjacent filtration members, right end is refined filtration room 11.The filter element installed in the cabinet 1 to
Right bank arrangement, the angle between 1 top end face of filter element and cabinet is acute angle, guarantee water (flow) direction and titanium alloy strainer 6 it
Between be obtuse angle, titanium alloy strainer 6 and biogas slurry contact surface can be effectively improved, can sufficiently filter big diameter substance in biogas slurry.It is described
Backflushing water intake pipe 8 is installed, 1 left end bottom of cabinet is equipped with recoil scum pipe 3, can effective reversed-cleaning filter on drain pipe 7
Device, it is ensured that system stable operation.61 aperture of filter opening in the filter element on titanium alloy strainer 6 is successively successively decreased, and can be directed to
Different filtering requirements, and can achieve the purpose that depth-type filtration.It is equipped with overflow observation tube 4 at the top of the biogas slurry room 9, passes through overflow
4 observable titanium alloy strainer of peep hole, 6 stopping state controls backwash opportunity.In order to meet different filtering requirements and improve
Filter efficiency, the filter element at least 4.
Embodiment 1:
First carry out titanium alloy strainer processing, specifically: take Si5.0%, In0.05%, V0.02%, Mg0.15%,
Cr0.7%, Ti20%, Zn0.02%, Mn0.45%, Sn0.05%, Fe0.1%, Cu0.01%, Ni0.01%, remaining is aluminium
With each component raw material of inevitable impurity and mix, mixture is placed in smelting furnace and is melted, fusion temperature is 1900 DEG C；
It is passed through nitrogen into smelting furnace as protection gas after keeping furnace temperature 2h after alloy melting and continues melting 30min；Melting is completed
After be poured, after alloy molten solution temperature is reduced to 1500 DEG C by alloy molten solution inject box mold in, be cooled to casting
Demoulding obtains the titanium alloy sheet of 2.5cm thickness after room temperature；Titanium alloy sheet is heated to 800 DEG C to quench, when then carrying out twice
Effect processing, first time aging temperature are 450 DEG C, keep the temperature 3h, are then passed through nitrogen in vacuum environment and are cooled down, second
Secondary aging temperature is 380 DEG C, keeps the temperature 10h, then be cooled to 220 DEG C with the rate of 1 DEG C/min, nature of coming out of the stove after heat preservation 8h is cold
But to room temperature；Titanium alloy sheet after heat treatment is placed on workbench fixed, then onboard marks bore position, with automatic
Drilling device drills out several filter openings 61 of array arrangement, aperture 0.5mm on titanium alloy sheet；Before each filter opening 61 being drilled
Both ends carry out expanding treatment respectively afterwards, the opening at 61 both ends of filter opening are worn into taper, taper requires to be 85 °, and taper depth is
The 1/6 of plate thickness；Blasting treatment is carried out to titanium alloy sheet surface using the white fused alumina of 200 mesh, blasting pressure 0.3MPa, the time is
15s；Titanium alloy sheet is cleaned using the mixed liquor of sulfamic acid 5%, nitric acid 75%, ethylenediamine tetra-acetic acid 15%, chelating agent 5%,
Mixeding liquid temperature is 85 DEG C；The protective layer that a layer thickness is 0.1mm thickness is uniformly coated on titanium alloy sheet surface, protective layer is metal
Paint is got product after metallic paint solidification.
Embodiment 2:
First carry out titanium alloy strainer processing, specifically: take Si6.5%, In0.15%, V0.035%, Mg0.2%,
Cr0.8%, Ti18%, Zn0.025%, Mn0.55%, Sn0.09%, Fe0.15%, Cu0.015%, Ni0.015%, remaining
It for each component raw material of aluminium and inevitable impurity and mixes, mixture is placed in smelting furnace and is melted, fusion temperature is
2000℃；It is passed through nitrogen into smelting furnace as protection gas after keeping furnace temperature 1.5h after alloy melting and continues melting 40min；
It is poured, is injected alloy molten solution in box mold after alloy molten solution temperature is reduced to 1550 DEG C, wait cast after the completion of melting
Demoulding obtains the titanium alloy sheet of 3cm thickness after part is cooled to room temperature；Titanium alloy sheet is heated to 820 DEG C to quench, is then carried out
Ageing treatment twice, first time aging temperature are 450 DEG C, keep the temperature 4h, and it is cold that nitrogen progress is then passed through in vacuum environment
But, second of aging temperature is 380 DEG C, keeps the temperature 11h, then be cooled to 220 DEG C with the rate of 1 DEG C/min, goes out after keeping the temperature 9h
Furnace cooled to room temperature；Titanium alloy sheet after heat treatment is placed on workbench and is fixed, drilling position is then onboard marked
It sets, drills out several filter openings 61 of array arrangement, aperture 2mm on titanium alloy sheet with automatic drilling equipment；It is drilled each
61 rear and front end of filter opening carries out expanding treatment respectively, the opening at 61 both ends of filter opening is worn into taper, taper requires to be 110 °, cone
Shape depth is the 1/8 of plate thickness；Blasting treatment is carried out to titanium alloy sheet surface using the white fused alumina of 200 mesh, blasting pressure is
0.4MPa, time 20s；Using sulfamic acid 5%, nitric acid 75%, ethylenediamine tetra-acetic acid 15%, chelating agent 5% mixed liquor
Titanium alloy sheet is cleaned, mixeding liquid temperature is 90 DEG C；The protection that a layer thickness is 0.15mm thickness is uniformly coated on titanium alloy sheet surface
Layer, protective layer are metallic paint, are got product after metallic paint solidification.
Embodiment 3:
First carry out titanium alloy strainer processing, specifically: take Si8.0%, In0.25%, V0.05%, Mg0.25%,
Cr0.9%, Ti15%, Zn0.04%, Mn0.75%, Sn0.15%, Fe0.3%, Cu0.02%, Ni0.02%, remaining is aluminium
With each component raw material of inevitable impurity and mix, mixture is placed in smelting furnace and is melted, fusion temperature is 2100 DEG C；
It is passed through nitrogen into smelting furnace as protection gas after keeping furnace temperature 2h after alloy melting and continues melting 30min；Melting is completed
After be poured, after alloy molten solution temperature is reduced to 650 DEG C by alloy molten solution inject box mold in, be cooled to room to casting
Demoulding obtains the titanium alloy sheet of 3cm thickness after temperature；Titanium alloy sheet is heated to 850 DEG C to quench, is then carried out at timeliness twice
Reason, first time aging temperature are 450 DEG C, keep the temperature 3h, are then passed through nitrogen in vacuum environment and are cooled down, at second
Imitating treatment temperature is 380 DEG C, keeps the temperature 10h, then be cooled to 220 DEG C with the rate of 1 DEG C/min, natural cooling of coming out of the stove after heat preservation 10h
To room temperature；Titanium alloy sheet after heat treatment is placed on workbench and is fixed, bore position is then onboard marked, uses automatic drill
Hole equipment drills out several filter openings 61 of array arrangement, aperture 2.5mm on titanium alloy sheet；In each 61 front and back of filter opening being drilled
Both ends carry out expanding treatment respectively, the opening at 61 both ends of filter opening are worn into taper, taper requires to be 120 °, and taper depth is plate
Thick 1/6；Blasting treatment is carried out to titanium alloy sheet surface using the white fused alumina of 200 mesh, blasting pressure 0.45MPa, the time is
15s；Titanium alloy sheet is cleaned using the mixed liquor of sulfamic acid 5%, nitric acid 75%, ethylenediamine tetra-acetic acid 15%, chelating agent 5%,
Mixeding liquid temperature is 95 DEG C；The protective layer that a layer thickness is 0.2mm thickness is uniformly coated on titanium alloy sheet surface, protective layer is metal
Paint is got product after metallic paint solidification
Embodiment 4:
First carry out titanium alloy strainer processing, specifically: take Si7.0%, In0.12%, V0.03%, Mg0.18%,
Cr0.85%, Ti18%, Zn0.026%, Mn0.65%, Sn0.12%, Fe0.16%, Cu0.015%, Ni0.012%, remaining
It for each component raw material of aluminium and inevitable impurity and mixes, mixture is placed in smelting furnace and is melted, fusion temperature is
1975℃；It is passed through nitrogen into smelting furnace as protection gas after keeping furnace temperature 1.2h after alloy melting and continues melting 35min；
It is poured, is injected alloy molten solution in box mold after alloy molten solution temperature is reduced to 1600 DEG C, wait cast after the completion of melting
Demoulding obtains the titanium alloy sheet of 2.2cm thickness after part is cooled to room temperature；Titanium alloy sheet is heated to 820 DEG C to quench, then into
Row ageing treatment twice, first time aging temperature are 450 DEG C, keep the temperature 3.5h, be then passed through in vacuum environment nitrogen into
Row cooling, second of aging temperature are 380 DEG C, keep the temperature 11h, then be cooled to 220 DEG C with the rate of 1 DEG C/min, heat preservation
It comes out of the stove after 8.5h cooled to room temperature；Titanium alloy sheet after heat treatment is placed on workbench and is fixed, is then onboard marked
Bore position out drills out several filter openings 61 of array arrangement, aperture 0.85mm with automatic drilling equipment on titanium alloy sheet；In
61 rear and front end of filter opening being each drilled carries out expanding treatment respectively, the opening at 61 both ends of filter opening is worn into taper, taper is wanted
Asking is 105 °, and taper depth is the 1/7 of plate thickness；Blasting treatment, sandblasting are carried out to titanium alloy sheet surface using the white fused alumina of 200 mesh
Pressure is 0.35MPa, time 20s；Using sulfamic acid 5%, nitric acid 75%, ethylenediamine tetra-acetic acid 15%, chelating agent 5%
Mixed liquor cleans titanium alloy sheet, and mixeding liquid temperature is 83 DEG C；Uniformly coating a layer thickness on titanium alloy sheet surface is 0.18mm thick
Protective layer, protective layer is metallic paint, is got product after metallic paint solidification.
In use, biogas slurry is added into cabinet 1 for inlet tube 2, biogas slurry is rested in biogas slurry room 9, and biogas slurry passes through first mistake
The titanium alloy strainer 6 filtered in unit filters, and filtrate flows into first clear filter chamber 10, and filter residue rests in biogas slurry room 9, into clear
The biogas slurry of filter chamber 10 successively passes through the filtering of several filter elements, and the refined filtration liquid stream finally generated enters in refined filtration room 11, the row of opening
Valve in liquid pipe 7, which can put into the filtrate after the completion of filtering to irrigate, to be used.It is observed in filter process by overflow observation tube 4
The stopping state of titanium alloy strainer 6, if discovery titanium alloy strainer 6 when blocking serious, successively by all titanium alloy strainers 6 from installation
It extracts in slot 5 and is rinsed with high pressure water, open simultaneously the valve on backflushing water intake pipe 8, counter-flushing liquid successively recoil cleaning to the left
Refined filtration room 11, clear filter chamber 10 and biogas slurry room 9, the waste residue and waste liquid that backwash generation pass through the recoil deslagging of 1 left end bottom of cabinet
Pipe 3 excludes, and titanium alloy strainer 6 is installed in place progress biogas slurry filtration treatment again again after the completion of backwash.
Above-described embodiment is only several preferred embodiments of the invention, is not intended to limit the scope of protection of the present invention, all
Made deformation, modification or equivalent replacement etc., should all fall into protection model of the invention on the basis of technical solution of the present invention
It encloses.
Claims (1)
1. a kind of efficiently adjustable biogas slurry filter device, including cabinet (1), cabinet (1) left end middle part are equipped with inlet tube (2),
Right end bottom is equipped with drain pipe (7), it is characterised in that: cabinet (1) bottom surface is the incline structure of right low left high, and cabinet (1) is interior
Wall is equipped with the spaced apart filter element of several groups, and every group of filter element includes a titanium alloy strainer (6) and four peaces
Tankage (5), mounting groove (5) is symmetrical two-by-two and is fixed in cabinet (1) inner wall two sides, two ipsilateral mounting groove (5) arranged for interval,
Titanium alloy strainer (6) is inserted into two adjacent fitting grooves (5), and cabinet (1) is divided into several separate spaces by filter element, most
Left end is biogas slurry room (9), is clear filter chamber (10) between every two adjacent filtration member, and right end is refined filtration room (11)；
The filter element installed in the cabinet (1) is tilted to the right arrangement, the folder between filter element and cabinet (1) top end face
Angle is acute angle；
It is equipped with backflushing water intake pipe (8) on the drain pipe (7), cabinet (1) left end bottom is equipped with recoil scum pipe (3)；
Successively successively decrease in filter opening (61) aperture in the filter element on titanium alloy strainer (6)；
Overflow observation tube (4) are equipped at the top of the biogas slurry room (9)；
The filter element at least 4；
The titanium alloy strainer (6) is made of following raw material: Si6.5%, In0.15%, V0.035%, Mg0.2%,
Cr0.8%, Ti18%, Zn0.025%, Mn0.55%, Sn0.09%, Fe0.15%, Cu0.015%, Ni0.015%, remaining
For aluminium and inevitable impurity；
The processing method of the titanium alloy strainer (6) the following steps are included:
(a) raw material mixes: taking each component raw material alloyage according to the above ratio, alloy, which is placed in smelting furnace, to be melted, fusion temperature
It is 1900-2100 DEG C；
(b) melting: it is passed through nitrogen into smelting furnace as protection gas after keeping furnace temperature 1-2h after alloy melting and continues melting
30-50min；
(c) it is poured: being poured after the completion of melting, infuse alloy molten solution after alloy molten solution temperature is reduced to 1500-1650 DEG C
In cartonning pattern tool, demoulding obtains the titanium alloy sheet of 2.5-3cm thickness after casting is cooled to room temperature；
(d) it is heat-treated: titanium alloy sheet being heated to 800-850 DEG C and is quenched, then carry out ageing treatment twice, when first time
Imitating treatment temperature is 450 DEG C, keeps the temperature 3-5h, is then passed through nitrogen in vacuum environment and is cooled down, second of ageing treatment temperature
Degree is 380 DEG C, keeps the temperature 10-12h, then be cooled to 220 DEG C with the rate of 1 DEG C/min, comes out of the stove after heat preservation 8-10h and naturally cool to room
Temperature；
(e) it drills: the titanium alloy sheet after heat treatment being placed on workbench and is fixed, bore position is then onboard marked, is used
Automatic drilling equipment drills out several filter openings (61) of array arrangement, aperture 0.5-2.5mm on titanium alloy sheet；
(f) reaming: expanding treatment is carried out respectively in each filter opening (61) rear and front end being drilled, by the opening at filter opening (61) both ends
Place wears into taper, and taper requires to be 85-120 °, and taper depth is the 1/10-1/6 of plate thickness；
(g) blasting treatment, blasting pressure 0.3- blasting treatment: are carried out to titanium alloy sheet surface using the white fused alumina of 200 mesh
0.45MPa, time 15-30s；
(h) pickling processes: clear using sulfamic acid 5%, nitric acid 75%, ethylenediamine tetra-acetic acid 15%, the mixed liquor of chelating agent 5%
Titanium alloy sheet is washed, mixeding liquid temperature is 85-95 DEG C；
(i) protective layer coats: uniformly coating the protective layer that a layer thickness is 0.1-0.2mm thickness, protective layer on titanium alloy sheet surface
For metallic paint, got product after metallic paint solidification；
Steps are as follows for the use of the biogas slurry filter device: biogas slurry is added into cabinet (1) for inlet tube (2), and biogas slurry rests on natural pond
In liquid chamber (9), biogas slurry flows into first clear filter chamber by titanium alloy strainer (6) filtering in first filter element, filtrate
(10) in, filter residue is rested in biogas slurry room (9), and the filtering of several filter elements is successively passed through into the biogas slurry of clear filter chamber (10),
The refined filtration liquid stream finally generated enters in refined filtration room (11), and the valve opened on drain pipe (7) can be by the filtrate after the completion of filtering
Investment, which is irrigated, to be used；By the stopping state of overflow observation tube (4) observation titanium alloy strainer (6) in filter process, if discovery titanium
When alloy strainer (6) blocking are serious, all titanium alloy strainers (6) are extracted out of mounting groove (5) successively and are rinsed with high pressure water,
Open simultaneously the valve on backflushing water intake pipe (8), counter-flushing liquid to the left successively recoil cleaning refined filtration room (11), clear filter chamber (10) and
Biogas slurry room (9), the waste residue and waste liquid for backwashing generation are excluded by the recoil scum pipe (3) of cabinet (1) left end bottom, backwash
Titanium alloy strainer (6) is installed in place progress biogas slurry filtration treatment again again after the completion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063884.4A CN105498326B (en) | 2016-01-28 | 2016-01-28 | A kind of efficiently adjustable biogas slurry filter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063884.4A CN105498326B (en) | 2016-01-28 | 2016-01-28 | A kind of efficiently adjustable biogas slurry filter device |
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| CN105498326A CN105498326A (en) | 2016-04-20 |
| CN105498326B true CN105498326B (en) | 2019-11-22 |
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| CN201610063884.4A Expired - Fee Related CN105498326B (en) | 2016-01-28 | 2016-01-28 | A kind of efficiently adjustable biogas slurry filter device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564611A (en) * | 2009-06-05 | 2009-10-28 | 中国农业科学院蔬菜花卉研究所 | Marsh liquid filter |
| CN203315839U (en) * | 2013-04-23 | 2013-12-04 | 陆秀尧 | Biogas slurry filter device |
| CN203852889U (en) * | 2014-04-17 | 2014-10-01 | 郑州东工实业有限公司 | Filter device and water equipment using filter device |
| CN205516720U (en) * | 2016-01-28 | 2016-08-31 | 成都市农林科学院 | Natural pond liquid filter equipment |
-
2016
- 2016-01-28 CN CN201610063884.4A patent/CN105498326B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564611A (en) * | 2009-06-05 | 2009-10-28 | 中国农业科学院蔬菜花卉研究所 | Marsh liquid filter |
| CN203315839U (en) * | 2013-04-23 | 2013-12-04 | 陆秀尧 | Biogas slurry filter device |
| CN203852889U (en) * | 2014-04-17 | 2014-10-01 | 郑州东工实业有限公司 | Filter device and water equipment using filter device |
| CN205516720U (en) * | 2016-01-28 | 2016-08-31 | 成都市农林科学院 | Natural pond liquid filter equipment |
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