CN201864722U - Automatic dreg grabbing machine for methane tank - Google Patents
Automatic dreg grabbing machine for methane tank Download PDFInfo
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- CN201864722U CN201864722U CN2010202254669U CN201020225466U CN201864722U CN 201864722 U CN201864722 U CN 201864722U CN 2010202254669 U CN2010202254669 U CN 2010202254669U CN 201020225466 U CN201020225466 U CN 201020225466U CN 201864722 U CN201864722 U CN 201864722U
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M39/00—Means for cleaning the apparatus or avoiding unwanted deposits of microorganisms
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/48—Automatic or computerized control
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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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Abstract
The utility model provides an automatic dreg grabbing machine for a methane tank, relating to the field of mechanical devices. The dreg grabbing machine comprises a support system, a horizontal movement system, a vertical movement system and a dreg grabbing mechanism, and adopts a dreg separator with the application number being 200920111298.8 which is disclosed in patent in China. The support system consists of a front bracket 1, a rear bracket 2, a conveying rail 3 and a height adjusting device 4; the horizontal movement system consists of a horizontal motor 5, a travelling trolley 6, a fixed pulley 7, a front stroke switch 8 and a rear stroke switch 9; the vertical movement system consists of a vertical motor 10, a lower stroke switch 11, an outer support rod 12, an inner telescopic rod 13, a fixed sleeve 14, and a pulley 15 installed on the outer support rod 12; and the dreg grabbing mechanism consists of a dreg remover 16, a dreg remover mounting frame 17, a hydraulic support rod 18 and a steel cable 19. The dreg grabbing machine has the characteristics of being simple in structure, convenient to move, easy to operate and high in dreg removing efficiency.
Description
Technical field
The utility model relates to the methane-generating pit mechanism, is specifically related to the clearing device of a kind of methane-generating pit residue and waste liquid.
Background technology
A lot of families use biogas in vast Rural areas, use biogas all to bring reasonable effect for environmental health, social benefit.In use in order to guarantee the quality of biogas, need constantly in methane-generating pit, to add raw material, organism produces biogas through decomposing and fermenting, the less material of proportion rises and forms scum silica frost in the raw material that adds, heavy material sinks at the bottom of the pond, the long-term accumulation, can take space in the pond, make fermentation and gas storage space dwindle, so will regularly remove the residue in the methane-generating pit, owing to contain a large amount of toxic gases in the methane-generating pit, under the situation of conditions permit, generally all adopt the mechanical deslagging device to clear up.
Application number is that 200610134697.7 Chinese patent file discloses a kind of methane tank deslagging machine that utilizes the driven by power worm conveyor that sediment is removed, but there is the bigger plant stem of volume in the methane-generating pit, stop up worm conveyor easily, reduce the work-ing life of machine, increase the overall cost that biogas uses; And, can only remove machine and take out near the residue of cinder notch, and can not make an overall screening for taking out cinder notch residue on every side because this equipment can not rotate.
Application number is that 200520021802.7 Chinese patent file discloses a kind of vacuum principle and extracts the residue in the pond and the screw vacuum slag cleaning machine of waste liquid, and primary member comprises: motor, sleeve, piston.Its principle of work is: when electric motor starting is just changeing, drive screw rod and rise, piston produces vacuum in sleeve, waste residue is sucked in the scum pipe; When outwards discharging, the motor counter-rotating, piston descends, and by flexible pipe waste residue is discharged.But this equipment can not be cleared up the plant stem residue that volume is bigger in the pond, and because of its cost height, equipment heaviness, move that cleaning scope inconvenient, the methane-generating pit bottom residues is little, shortcoming such as easy care is not difficult to obtain promote.
Application number is that 88204951.8 Chinese patent file discloses a kind of chain type slagging-off machinery, form by conveyor pan, drive unit, head etc., mining chain is housed in the conveyor pan, be fixed with chain branch load section and unloaded section on slag remover of scraping blade, the load section is moved in conveyor pan, unloaded section conveyor pan outside below move, during work, chain is under the drive of drive unit, enter horizontal trough through pressing sprocket, the scraper plate of load section begins to scrape slag, after chain runs to head by the inclination trough, lime-ash falls, and moves in circles to finish the slagging-off operation.There is following problem in slagging-off but if the slag remover of this structure is used for methane-generating pit: slag remover is a fixed, for the rounded methane-generating pit in bottom, and can not be to making an overall screening at the bottom of the pond; Bulky, do not satisfy the requirement of moving methane-generating pit slag removal equipment flexible, simple to operate.
Summary of the invention:
The utility model provide a kind of simple in structure, conveniently moving, operation easily, cheap, the cleaning scope big, slagging-off efficient height, the automatic dreg grabbing machine of methane-generating pit safeguarded easily.
For achieving the above object, the utility model has adopted following technique means: the automatic dreg grabbing machine of this methane-generating pit comprises support system, horizontal movement system, vertical mobile system and dreg grabbing machine structure, to adopt application number be 200920111298.8 the disclosed skim gate of Chinese patent to the slag device of grabbing of dreg grabbing machine structure, and support system is made up of fore-stock 1, after poppet 2, delivery track 3, arrangement for adjusting height 4; Horizontal movement system by horizontal motor 5, walking dolly 6, directed pulley 7 and be fixedly mounted on slideway 3 two ends front travel switch 8 and the back travel switch 9 form; Vertically mobile system is made up of vertical motor 10, lower stroke switch 11, outer support bar 12, interior expansion link 13, fixed muffle 14, the pulley 15 that is installed on the outer support bar 12; The dreg grabbing machine structure is formed by skim gate 16, skim gate erecting frame 17, electronic push-pull rod 18 and with the wirerope 19 that electronic push-pull rod 18 is connected with skim gate erecting frame 17.
Delivery track 3 is a joist steel, two ends are connected with arrangement for adjusting height 4 with bolt by web plate, arrangement for adjusting height 4 is the pipe fitting of " T " font, install on the pipe of its vertical direction and use the spiral gripping mechanism, when the pipe box of vertical direction after on fore-stock 1 and the after poppet 2, by screwing and transferring the loose spiral end gripping mechanism just can adjust the height of the delivery track 3 that is connected with arrangement for adjusting height 4;
By pulley walking dolly 6 is housed on the delivery track 3, walking dolly 6 is connected with horizontal motor 5 by steel cable, by 5 its walkings of control of horizontal motor or stop, when walking dolly marches to delivery track 3 two ends, after shake-up is installed in the front travel switch 8 and back travel switch 9 at delivery track 3 two ends, dolly stops, and carries out next step action;
Advance and erecting frame is housed on the dolly 6, vertically motor 10 is fixed on the erecting frame, this erecting frame also is connected and fixed sleeve 14 simultaneously, outer support bar 12 passes fixed muffle 14, outer support bar 12 inside are equipped with interior expansion link 13 again, the lower end of interior expansion link 13 is fixing with skim gate erecting frame 17, the upper end by steel cable and the pulley 15 on being installed in outer support bar 12 be connected with the outer power wheel 20 of vertical motor 10, skim gate erecting frame 17 is connected by the inner driving wheel 21 of steel cable with vertical motor 10, skim gate 16 connects with skim gate erecting frame 17, and when skim gate 16 declines, inner driving wheel 21 rotates unwrapping wire, outer power wheel 20 rotates expansion link 13 in the tension, interior expansion link 13 slowly falls, and when skim gate 16 risings, inner driving wheel 21 rotates take-ups, outer power wheel 20 rotates expansion link 13 in the tension, and interior expansion link 13 slowly rises.
Wirerope 19 passes the loose piece 22 that is connected with skim gate erecting frame 17 top elasticity, and electronic push-pull rod 18 is connected with skim gate erecting frame 17 bottoms by wirerope 19, and the movable axis end of skim gate 16 is passed loose piece 22 backs and screwed with nut, prevents that it from coming off.
The groundwork process of the automatic dreg grabbing machine of this methane-generating pit is as follows: power supply is connected in start, horizontal movement system and vertical mobile system carry out self check, detect walking dolly 6 and skim gate erecting frame 17 and whether be in stand-by station, if not, then automatically revert to stand-by station, time-delay for some time, vertically motor 10 rotates, begin to transfer skim gate erecting frame 17 and skim gate 16, grab bucket keeps opening, when skim gate reaches the natural pond slag, in the liquid, Controlling System is sent initiating signal and is given electronic push-pull rod 18, automatically stop simultaneously vertical motor 10, electronic push-pull rod 18 elongations, pulling wirerope 19 presses down loose piece 22, and the movable axis that drives skim gate 16 stretches out downwards, grab bucket is tightened up, be convenient to grab slag; At the bottom of the grab bucket of skim gate 16 touches methane-generating pit, vertically motor 10 turns round automatically, a bit of distance will be put forward on the skim gate 16, grab after slag finishes, vertically motor 10 rotates, begin to pack up skim gate erecting frame 17 and skim gate 16, under the effect of skim gate 16 self gravitations, guarantee that the residue of being caught can not drop in uphill process;
After touching lower stroke switch in skim gate erecting frame 17 and skim gate 16 uphill process, horizontal motor 5 rotates, driving walking dolly 6 advances forward, when walking dolly 6 touches front travel switch 8, walking dolly 6 stops, Controlling System is sent initiating signal and is given electronic push-pull rod 18 simultaneously, and electronic push-pull rod 18 shrinks, and pulling wirerope 19 makes on the loose piece 22 and draws, the movable axis that drives skim gate 16 stretches out downwards, grab bucket is opened, discharge residue, after time-delay for some time, walking dolly 6 negative line feeds, up to touching vertically motor 10 rotations of back travel switch 9 backs, begin to transfer skim gate erecting frame 17 and skim gate 16, begin the new slag program of grabbing.
For the ease of using in the narrow place of operating environment, the horizontal movement system of the automatic dreg grabbing machine of above-mentioned methane-generating pit can be removed, utilize vertical mobile system and dreg grabbing machine structure to grab out the natural pond slag outside the methane-generating pit automatically, by control manual lever 23, can make vertical mobile system and dreg grabbing machine structure in methane-generating pit, do 360 ° of rotations, remove the natural pond slag in any corner in the methane-generating pit.Manual lever 23 is installed on the pipe of horizontal direction of arrangement for adjusting height 4.
In order to improve traveling comfort, the pulley of the walking dolly 6 of the automatic dreg grabbing machine horizontal movement system of above-mentioned methane-generating pit can be replaced into geartransmission, and horizontal motor is installed on the walking dolly 6.
In order to remove waste residue of different nature, grab the grab bucket that slag device 16 can be established semiclosed dress or dentation.
The utility model is simple in structure, conveniently moving, easily operation, cheap, the cleaning scope big, slagging-off efficient height, safeguard easily; realize grabbing bucket and stretch into methane-generating pit automatically; automatic promptly residue also proposes outside the pond; reduced labour intensity significantly; improved the efficient of methane-generating pit slagging-off; operator according to actual needs setting-up time determine dreg grabbing machine grab slag speed and efficient; and possess the end of touching automatic protection functions, can effectively prevent the device failure that motor can't stop to cause after skim gate touches the end.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model working state figure.
Fig. 3 is the working state figure that the utility model is used for narrow environment.
Fig. 4 is the scheme of installation that the utility model is grabbed the slag device.
Fig. 5 is that the utility model is grabbed slag device structure iron.
The outer power wheel 21-inner driving wheel 22-loose piece 23-manual lever 24-electric appliance control box of expansion link 14-fixed muffle 15-pulley 16-skim gate 17-skim gate erecting frame 18-electric pushrod 19-wirerope 20-in the outer support bar 13-of the vertical motor 11-of travel switch 10-lower stroke switch 12-behind the directed pulley 8-of the horizontal motor 6-of the 1-fore-stock 2-after poppet 3-delivery track 4-arrangement for adjusting height 5-walking dolly 7-front travel switch 9-
Embodiment
Shown in Fig. 1,2,4, the automatic dreg grabbing machine of this methane-generating pit comprises support system, horizontal movement system, vertically mobile system and dreg grabbing machine structure, and to adopt application number be 200920111298.8 the disclosed skim gate of Chinese patent to the slag device of grabbing of dreg grabbing machine structure;
Concrete working process is as follows: power supply is connected in start, horizontal movement system and vertical mobile system carry out self check, detect walking dolly 6 and skim gate erecting frame 17 and whether be in stand-by station, if not, then automatically revert to stand-by station, time-delay 3s, vertically motor 10 rotates, begin to transfer skim gate erecting frame 17 and skim gate 16, grab bucket keeps opening, when skim gate reaches the natural pond slag, in the liquid, Controlling System is sent initiating signal and is given electronic push-pull rod 18, automatically stop simultaneously vertical motor 10, electronic push-pull rod 18 elongations, pulling wirerope 19 presses down loose piece 22, and the movable axis that drives skim gate 16 stretches out downwards, grab bucket is tightened up, be convenient to grab slag; At the bottom of the grab bucket of skim gate 16 touches methane-generating pit, vertically motor 10 turns round automatically, a bit of distance will be put forward on the skim gate 16, grab after slag finishes, vertically motor 10 rotates, begin to pack up skim gate erecting frame 17 and skim gate 16, under the effect of skim gate 16 self gravitations, guarantee that the residue of being caught can not drop in uphill process;
After touching lower stroke switch in skim gate erecting frame 17 and skim gate 16 uphill process, horizontal motor 5 rotates, driving walking dolly 6 advances forward, when walking dolly 6 touches front travel switch 8, walking dolly 6 stops, Controlling System is sent initiating signal and is given electronic push-pull rod 18 simultaneously, and electronic push-pull rod 18 shrinks, and pulling wirerope 19 makes on the loose piece 22 and draws, the movable axis that drives skim gate 16 stretches out downwards, grab bucket is opened, discharge residue, time-delay 4s, walking dolly 6 negative line feeds, up to touching vertically motor 10 rotations of back travel switch 9 backs, begin to transfer skim gate erecting frame 17 and skim gate 16, begin the new slag program of grabbing.
After tested, the slag efficient of grabbing of the automatic dreg grabbing machine of the utility model methane-generating pit is 4 tons/hour.
As shown in Figure 3, the horizontal movement system of the automatic dreg grabbing machine of above-mentioned methane-generating pit is removed, utilize vertical mobile system and dreg grabbing machine structure to grab out the natural pond slag outside the methane-generating pit automatically, by control manual lever 23, can make vertical mobile system and dreg grabbing machine structure in methane-generating pit, do 360 ° of rotations, remove the natural pond slag in any corner in the methane-generating pit.Manual lever 23 is installed on the pipe of horizontal direction of arrangement for adjusting height 4, concrete working process is as follows: power supply is connected in start, horizontal movement system and vertical mobile system carry out self check, detect walking dolly 6 and skim gate erecting frame 17 and whether be in stand-by station, if not, then automatically revert to stand-by station, time-delay 3s, vertically motor 10 rotates, and begins to transfer skim gate erecting frame 17 and skim gate 16, and grab bucket keeps opening, when skim gate reaches the natural pond slag, in the liquid, Controlling System is sent initiating signal and is given electronic push-pull rod 18, stops vertical motor 10 simultaneously automatically, electronic push-pull rod 18 elongations, pulling wirerope 19 presses down loose piece 22, the movable axis that drives skim gate 16 stretches out downwards, and grab bucket is tightened up, and is convenient to grab slag; At the bottom of the grab bucket of skim gate 16 touches methane-generating pit, vertically motor 10 turns round automatically, a bit of distance will be put forward on the skim gate 16, grab after slag finishes, vertically motor 10 rotates, begin to pack up skim gate erecting frame 17 and skim gate 16, under the effect of skim gate 16 self gravitations, guarantee that the residue of being caught can not drop in uphill process;
Operator control manual lever 23 afterwards, and slag remover is rotated to the methane-generating pit mouth outside along arrangement for adjusting height 4, unclamp grab bucket, discharge residue.
After tested, the slag efficient of grabbing of the automatic dreg grabbing machine of the utility model methane-generating pit is 3 tons/hour.
Embodiment 3
As shown in Figure 1, the embodiment of present embodiment is with embodiment 1, different are is replaced into geartransmission with get off 6 pulley of the walking of the automatic dreg grabbing machine horizontal movement system of embodiment 1 described methane-generating pit, and horizontal motor is installed on the walking dolly 6.
After tested, the slag efficient of grabbing of the automatic dreg grabbing machine of the utility model methane-generating pit is 3.8 tons/hour.
Shown in Fig. 1 and 5, the embodiment of present embodiment is with embodiment 1, and different is to grab the grab bucket that slag device 16 is made as dentation.
The equipment of present embodiment only is applicable to the solid state residue of removing in the methane-generating pit, does not have scavenging(action) for natural pond liquid.After tested, the slag efficient of grabbing of the automatic dreg grabbing machine of the utility model methane-generating pit is 1.6 tons/hour.
Shown in Fig. 1-5, the embodiment of present embodiment is with embodiment 1, present embodiment be used to test the automatic dreg grabbing machine of methane-generating pit touch end automatic protection functions.
Power supply is connected in start, horizontal movement system and vertical mobile system carry out being returned to stand-by station after the self check, time-delay 3s, vertically motor 10 rotates, begin to transfer skim gate erecting frame 17 and skim gate 16, grab bucket keeps opening, when skim gate reaches in natural pond slag, the liquid, Controlling System is sent initiating signal and is given electronic push-pull rod 18, stops vertical motor 10 simultaneously automatically, electronic push-pull rod 18 elongations, pulling wirerope 19 presses down loose piece 22, the movable axis that drives skim gate 16 stretches out downwards, and grab bucket is tightened up, and is convenient to grab slag; At the bottom of the grab bucket of skim gate 16 touches methane-generating pit, vertically motor 10 turns round automatically, a bit of distance will be put forward on the skim gate 16, grab after slag finishes, vertically motor 10 rotates, begin to pack up skim gate erecting frame 17 and skim gate 16, under the effect of skim gate 16 self gravitations, guarantee that the residue of being caught can not drop in uphill process;
After tested, the end protector time of response of touching that this dreg grabbing machine is provided with is 0.9s, can effectively prevent the device failure that motor can't stop to cause after skim gate touches the end.
Claims (5)
1. the automatic dreg grabbing machine of methane-generating pit comprises support system, horizontal movement system, vertical mobile system and dreg grabbing machine structure, it is characterized in that support system is made up of fore-stock (1), after poppet (2), delivery track (3), arrangement for adjusting height (4); Horizontal movement system by horizontal motor (5), walking dolly (6), directed pulley (7) and be fixedly mounted on slideway (3) two ends front travel switch (8) and the back travel switch (9) form; Vertically mobile system is made up of vertical motor (10), lower stroke switch (11), outer support bar (12), interior expansion link (13), fixed muffle (14), the pulley (15) that is installed on the outer support bar (12); The dreg grabbing machine structure is formed by skim gate (16), skim gate erecting frame (17), electric pushrod (18) and with the wirerope (19) that electric pushrod (18) is connected with skim gate erecting frame (17);
Delivery track (3) is a joist steel, two ends are connected with arrangement for adjusting height (4) with bolt by web plate, arrangement for adjusting height (4) is the pipe fitting of " T " font, install on the pipe of its vertical direction and use the spiral gripping mechanism, when the pipe box of vertical direction after fore-stock (1) and after poppet (2) are gone up, by screwing the height with the delivery track of transferring the loose spiral end gripping mechanism just can adjust to be connected (3) with arrangement for adjusting height (4);
Delivery track (3) is gone up and by pulley walking dolly (6) is housed, walking dolly (6) is connected with horizontal motor (5) by steel cable, control its walking or stop by horizontal motor (5), when walking dolly marches to delivery track (3) two ends, after shake-up was installed in the front travel switch (8) and back travel switch (9) at delivery track (3) two ends, dolly stopped;
Advance and erecting frame is housed on the dolly (6), vertically motor (10) is fixed on the erecting frame, this erecting frame also is connected and fixed sleeve (14) simultaneously, outer support bar (12) passes fixed muffle (14), outer support bar (12) inside is equipped with interior expansion link (13) again, the lower end of interior expansion link (13) is fixing with skim gate erecting frame (17), the upper end by steel cable and the pulley (15) on being installed in outer support bar (12) be connected with the outer power wheel (20) of vertical motor (10), skim gate erecting frame (17) is connected by the inner driving wheel (21) of steel cable with vertical motor (10), and skim gate (16) connects with skim gate erecting frame (17);
Wirerope (19) passes the loose piece (22) that is connected with skim gate erecting frame (17) top elasticity, and electric pushrod (18) is connected with skim gate erecting frame (17) bottom by wirerope (19), and the movable axis end of skim gate (16) is passed loose piece (22) and screwed with nut.
2. the automatic dreg grabbing machine of methane-generating pit according to claim 1 is characterized in that, the structure of grabbing slag device (16) is any of semiclosed shape or dentation.
3. the automatic dreg grabbing machine of methane-generating pit according to claim 1 and 2 is characterized in that, manual lever (23) is set, and is installed on the pipe of horizontal direction of arrangement for adjusting height (4).
4. the automatic dreg grabbing machine of methane-generating pit according to claim 1 and 2 is characterized in that, walking dolly (6) moving parts is a gear.
5. the automatic dreg grabbing machine of methane-generating pit according to claim 3 is characterized in that the moving parts of walking dolly (6) is a gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202254669U CN201864722U (en) | 2010-06-13 | 2010-06-13 | Automatic dreg grabbing machine for methane tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202254669U CN201864722U (en) | 2010-06-13 | 2010-06-13 | Automatic dreg grabbing machine for methane tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201864722U true CN201864722U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202254669U Expired - Fee Related CN201864722U (en) | 2010-06-13 | 2010-06-13 | Automatic dreg grabbing machine for methane tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN201864722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138892A (en) * | 2017-07-23 | 2017-09-08 | 张多艳 | A kind of adjustable height remove welding slag frock |
-
2010
- 2010-06-13 CN CN2010202254669U patent/CN201864722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138892A (en) * | 2017-07-23 | 2017-09-08 | 张多艳 | A kind of adjustable height remove welding slag frock |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20120613 |