CN201722378U - Reciprocating slag scraping type biogas fluid mixing device - Google Patents
Reciprocating slag scraping type biogas fluid mixing device Download PDFInfo
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- CN201722378U CN201722378U CN2010202787911U CN201020278791U CN201722378U CN 201722378 U CN201722378 U CN 201722378U CN 2010202787911 U CN2010202787911 U CN 2010202787911U CN 201020278791 U CN201020278791 U CN 201020278791U CN 201722378 U CN201722378 U CN 201722378U
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- 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/16—Vibrating; Shaking; Tilting
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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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- 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
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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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
A reciprocating slag scraping type biogas fluid mixing device belongs to the technical field of biogas preparation. A power component is a linear reciprocating mechanism (7); a moving component comprises a carriage (6) and a rake rod (61), wherein the carriage (6) is arranged on a sliding rail (5) or is suspended in water or tied on a wire rope; the rake rod (61) is arranged on the carriage (6); a stirring body is rake teeth (62) distributed on the rake rod (61) or a scraping plate (4) which is parallel to the longitudinal axis of the rake rod (61) and is fixed on the rake rod (61); the linear reciprocating mechanism (7) is arranged on the pool wall of the bottom of a biomass pool (1); and the flexible end of the linear reciprocating mechanism (7) is connected with one end of the carriage (6). The mixing device basically has no stirring dead angles, promotes the circular flow of upper and lower layer biomass liquid, has good stirring effects, and can increase the deslagging efficiency of the biomass pool. The mixing device has the advantages of simple structure, lower manufacture cost and high gas production efficiency, is convenient to use and maintain and is suitable for various dry-type or wet-type biomass pools.
Description
Technical field
The utility model relates to a kind of natural pond alloy melt stirring device of methane-generating pit, relates in particular to a kind of slag formula natural pond alloy melt stirring device of back and forth scraping.Belong to the biogas preparing technical field.
Background technology
Chinese patent notification number: CN201482434U CN201245659Y, the day for announcing: on May 26th, 2010, denomination of invention " a kind of helical stir and e Foerderanlage ", comprise main rotating shaft, agitating vane and spiral conveying blade etc., it is characterized in that: agitating vane and spiral conveying blade are welded on the main rotating shaft, so when power input begins to rotate, can realize agitating function, the spiral conveying blade of rear end is with slag liquid helical feed backward.Have advantages such as rational in infrastructure, with low cost, be well suited at biogas pan feeding equipment and need stir on the equipment that the action edge of going forward side by side carries and use.Chinese patent publication number: CN201459117U, open day: on May 12nd, 2010, denomination of invention " the manual cable traction agitator of methane-generating pit ", comprise the axle bed that is installed on the methane-generating pit bottom, axle bed is provided with rotating shaft, stirring piece one end and rotating shaft are fixed, the other end is connected with right stay cord and Zola's rope, be respectively equipped with first pulley and second pulley on the both sides pool wall of described methane-generating pit, the top of stirring piece is higher than the position that is provided with of described first pulley and second pulley, described Zola's rope is placed on outside the methane-generating pit through first pulley and second pulley, and described right stay cord is placed on outside the methane-generating pit through second pulley.Be particularly useful for methane-generating pit for farm household and middle-size and small-size biogas engineering, adopt manual mode to replace electronic mode, saved electric energy loss, and it is simple in structure, cheap, easy for installation, mixing effect is good, can improve biogas output, can not cause methane-generating pit feed liquid crust and alluvial.But said apparatus and agitator, operate cumbersome, stirring region is little, there is bigger stirring dead angle, the mixing of natural pond liquid and natural pond slag is even inadequately, particularly be not easy to the mobile and exchange of liquid between natural pond liquid bottom and top layer, and the solid content of discharge port natural pond slag is lower, it is little to go out the quantity of slag, and gas producing efficiency is also waited to improve.
Summary of the invention
The purpose of this utility model is little at existing natural pond alloy melt stirring device stirring region, be not easy to the mobile and exchange of liquid between natural pond liquid bottom and top layer, it is little to go out the quantity of slag, defective that gas producing efficiency is lower and deficiency, provide a kind of simple in structure, substantially do not have and stir the dead angle, help natural pond liquid levels hand-deliver and change and go out the big slag formula of back and forth the scraping natural pond alloy melt stirring device of the quantity of slag.Its manufacturing cost is lower, and operation and maintenance is convenient, the gas producing efficiency height.
For achieving the above object, technical solution of the present utility model is: a kind of slag formula natural pond alloy melt stirring device of back and forth scraping, comprise power part, moving parts and stirring body, described power part is a linear reciprocating mechanism, described moving parts comprise be shelved on the slide rail or suspend in water or be solid on the steel cable that is suspended to above the top of methane-generating pit upper edge or pond balladeur train and be arranged at one group of raking arm on the balladeur train, described stirring body is the rake teeth that is distributed on the raking arm, or be parallel to the raking arm longitudinal center line and be fixed on scraper plate on the raking arm, the inboardend of linear reciprocating mechanism is arranged on the pool wall of methane-generating pit bottom, and the flexible end of linear reciprocating mechanism is connected with an end of balladeur train.
The longitudinal center line of described slide rail parallels with the longitudinal center line of discharge port, and corresponding slide rail is equipped with roller on the bottom surface of described balladeur train, and the inboardend of linear reciprocating mechanism is fixed on the methane-generating pit pool wall outside of a relative side with discharge port.
The length of described raking arm is 1/2～3/4 of the interior empty size of methane-generating pit.
The distribute spacing of described raking arm is less than the stroke of linear reciprocating mechanism.
Described raking arm is pipe or round steel, corresponding raking arm is fixed with two axillares at least on the described balladeur train, raking arm penetrates in two axillares, and be slidingly matched with it, described rake teeth adopts round steel or angle steel to make, described scraper plate adopts steel plate to make, the length of scraper plate is corresponding with raking arm, the height of rake teeth or scraper plate is 5～20 times of biogas fermentation raw material particle size, discharge port one side of corresponding rake teeth or scraper plate is provided with the inclined-plane block on the described balladeur train, and corresponding balladeur train is provided with the locating part perpendicular to rake teeth or scraper plate on the described raking arm.
Described linear reciprocating mechanism is electronic or manual screw block.
The distribute spacing of described rake teeth is 2～10 times of biogas fermentation raw material particle size.
The outer wall of described methane-generating pit is provided with the discharge nozzle that is communicated with discharge port, and is provided with a nozzle above discharge nozzle inside, and the spout of nozzle points to discharge port, and the other end of nozzle passes discharge nozzle and is connected with high-pressure water through pipeline.
On the discharge nozzle of nozzle both sides, be respectively arranged with switch-valve and service valve.
Described balladeur train bottom is provided with floating drum.
The beneficial effects of the utility model are:
1, in the methane-generating pit bottom slide rail and balladeur train are set, balladeur train is provided with one group of many row's raking arm, rake teeth or scraper plate, under the drive of linear reciprocating mechanism, balladeur train is done straight reciprocating motion, by the natural pond liquid and the natural pond slag of rake teeth or scraper plate stirring methane-generating pit bottom, to reach the purpose that stirs natural pond liquid.The zone that raking arm and stirring parts distribute is big, does not have the dead angle of stirring substantially, is easy to promote circulating of levels natural pond liquid that mixing effect is good.
2, the layout orientation of slide rail and balladeur train is corresponding with the position of methane-generating pit discharge port, balladeur train, raking arm, rake teeth or scraper plate are under the drive of linear reciprocating mechanism, can effectively the natural pond slag be pushed to discharge port one side, particularly when the raking arm on the balladeur train can rotate, make rake teeth or scraper plate constitute the unidirectional push structure that can lodge, both can improve the effect of the moving and levels fluid exchange of natural pond liquid recycle stream, also can increase rake teeth or scraper plate pusher amount, and then improve the efficient of slagging tap of methane-generating pit to discharge port one side.
3. pass through at discharge port arranged outside contrainjector, nozzle is to discharge port ejection and the opposite High-Pressure Water of natural pond slag flow direction, formed knot arch or block in the time of can washing the natural pond slag by discharge port open, keep discharge port unimpeded, heap at the discharge port place when having solved the natural pond slag preferably and flowing, stop up the discharge port technical barrier, be suitable for stirring drawing mechanism, also be suitable for stirring and drawing mechanism as the higher natural pond slag of other fibre contents as the biogas of stalk fermentation raw material.
4. the utility model is simple in structure, and operation and maintenance is convenient, and cost of manufacture is lower, and stirring and discharging are effective, and the gas producing efficiency height is suitable for the whipping appts as various dry types or wet type biogas pond, also is convenient to existing methane-generating pit whipping appts is transformed.
Description of drawings
Fig. 1 is the synoptic diagram of a kind of structure of the utility model;
Fig. 2 be among Fig. 1 rake teeth 62 for the A of round steel to view;
Fig. 3 be among Fig. 1 rake teeth 62 for the A of scraper plate 4 to view;
Fig. 4 is the vertical view of the another kind of structure of the utility model;
Fig. 5 is the structural representation that the utility model balladeur train 6 bottoms are provided with floating drum 68;
Fig. 6 is the B-B sectional view among Fig. 5.
Among the figure: methane-generating pit 1, liquid level 2, discharge port 3, discharge nozzle 31, nozzle 32, switch-valve 33, service valve 34, scraper plate 4, slide rail 5, balladeur train 6, raking arm 61, rake teeth 62, axillare 63, inclined-plane block 64, locating part 65, roller 66, traveller 67, floating drum 68, linear reciprocating mechanism 7.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail:
Referring to Fig. 1 to Fig. 4, a kind of slag formula natural pond alloy melt stirring device of back and forth scraping of the present utility model, comprise power part, moving parts and stirring body, described power part is a linear reciprocating mechanism 7, described moving parts comprise be shelved on the slide rail 5 or suspend in water or be solid on the steel cable that is suspended to above the top of methane-generating pit 1 upper edge or pond balladeur train 6 and be arranged at one group of raking arm 61 on the balladeur train 6, described stirring body is the rake teeth 62 that is distributed on the raking arm 61, or be parallel to raking arm 61 longitudinal center line and be fixed on scraper plate 4 on the raking arm 61, the inboardend of linear reciprocating mechanism 7 is arranged on the pool wall of methane-generating pit 1 bottom, and the flexible end of linear reciprocating mechanism 7 is connected with an end of balladeur train 6.
Described balladeur train 6 also can unsettledly be provided with, as will on the balladeur train 6 being solid steel cable, and it is the other end system of steel cable is solid above the top, pond of methane-generating pit 1, or adopt the four jiao upper edges that respectively are suspended in methane-generating pit 1 of four steel cables with balladeur train 6, all can constitute the mechanism that is similar to pendulum, though the swing of balladeur train 6 has certain radian, but because the amplitude of balladeur train 6 swings is very little, distance at methane-generating pit 1 internal motion is shorter relatively, the motion of along continuous straight runs still is similar to straight line, so under the drive of linear reciprocating mechanism 7, balladeur train 6 can be done proximate straight reciprocating motion along the longitudinal center line of discharge port 3.Mechanisms such as balladeur train 6 and slide rail 5 do not contact, and the resistance in the time of can further reducing balladeur train 6 motions also improves mixing effect.
Described raking arm 61 can directly be fixed on the balladeur train 6, but in order to increase unidirectional round-robin mixing effect.Preferably as among Fig. 1 to Fig. 3, described raking arm 61 is pipe or round steel, corresponding raking arm 61 is fixed with two axillares 63 at least on the described balladeur train 6, raking arm 61 penetrates in two axillares 63, and be slidingly matched with it, raking arm 61 is equivalent to an axle, and two axillares 63 are equivalent to bearing support, after raking arm 61 penetrates in two axillares 63, can in the hole on two axillares 63, rotate.Described rake teeth 62 adopts round steel or angle steel to make, described scraper plate 4 adopts steel plate to make, in Fig. 2, described stirring parts is a rake teeth 62, rake teeth 62 adopts round steel to make, among Fig. 3, described stirring parts is a scraper plate 4, scraper plate 4 adopts steel plate to make, the length of scraper plate 4 is corresponding with raking arm 61, the height of rake teeth 62 or scraper plate 4 is 5～20 times of biogas fermentation raw material particle size, and discharge port 3 one sides of corresponding rake teeth 62 or scraper plate 4 are provided with inclined-plane block 64 on the described balladeur train 6, and corresponding balladeur train 6 is provided with the locating part 65 perpendicular to rake teeth 62 or scraper plate 4 on the described raking arm 61.Described locating part 65 can be right angle bar or the plate that is connected as a single entity with rake teeth 6 or scraper plate 4, also can be the limiting plate that is welded on separately on the raking arm 61.When balladeur train 6 and each raking arm 61 during to discharge port 3 one lateral movements, each rake teeth 62 is perpendicular to raking arm 61, to drive as much as possible material to discharge port 3 one lateral movements, when balladeur train 6 and each raking arm 61 during to linear reciprocating mechanism 7 one lateral movements, each rake teeth 62 is the lodging shape, and to reduce the reversing motion of material, the natural pond liquid that this design helps bottom moves to upper stream, and in Fig. 1, make the formation in the counterclockwise direction of natural pond liquid on one side from bottom to top, the other side circulating from top to bottom.Also help simultaneously the uniflux of natural pond slag to discharge port 3 one sides.And the distribute spacing of described raking arm 61 is less than the stroke of linear reciprocating mechanism 7.That is to say, linear reciprocating mechanism 7 promotes the distance of raking arm 61 motions above the spacing between two raking arms 61, first raking arm 61 can be pushed the material in the one's respective area in the zone of second raking arm 61 to, and pushes to next raking arm 61 successively, until the discharge port 3 of sending into baffle plate 4 inboards.Described linear reciprocating mechanism 7 preferably adopts electronic or manual screw block, and it is simple in structure, and cost and energy consumption are all lower.
As Fig. 1, among Fig. 4, the outer wall of described methane-generating pit 1 is provided with the discharge nozzle 31 that is communicated with discharge port 3, and is provided with a nozzle 32 above discharge nozzle 31 inside, the spout of nozzle 32 points to discharge port 3, and the other end of nozzle 32 passes discharge nozzle 31 and is connected with high-pressure water through pipeline.The pressure of described high-pressure water should be greater than the pressure of methane-generating pit 1 inner natural pond liquid to discharge port 3, and the hydraulic pressure that high-pressure water mesohigh water pump is provided can be atmospheric 10～15 times.To discharge natural pond slags such as stalk fermentation raw material smooth or when taking place to stop up when discharge port 3, can open nozzle 32, flow out the opposite High-Pressure Water of direction with the natural pond slag, wash the natural pond slag of obstruction open to discharge port 3 ejections, and make the natural pond slag by the washing away of local current, discharge from methane-generating pit 1 inside again after the dilution.
On the discharge nozzle 31 of nozzle 32 both sides, be respectively arranged with switch-valve 33 and service valve 34.Service valve 34 is opened at ordinary times, only the unlatching by switch-valve 33 or close and finish the operation that the natural pond slag is discharged and stopped to discharge.When needs maintenance nozzle 32 and switch-valve 33, just can close service valve 34.
Among Fig. 4, described rake teeth 62 adopts equal legged angle to make, right angle one end of angle cross section is arranged towards linear reciprocating mechanism 7 one sides, when rake teeth 62 when discharge port 3 one thrusters are advanced, discharge port 3 and discharge nozzle 31 have two among Fig. 4, two interior right angle faces of angle steel can be pushed more natural pond slag to discharge port 3 one sides, when rake teeth 62 when linear reciprocating mechanism 7 advances, angle steel straight angular direction motion, to reduce, help the natural pond slag to discharge port 3 one side uniflux to the natural pond of linear reciprocating mechanism 7 one sides slag amount of flow.
As Fig. 4, when methane-generating pit 1 is circle, the cross-sectional shape respective change of the corresponding methane-generating pit 1 of the length of each raking arm 61, and by circular arrangement, the length of described baffle plate 4 is 1/2～3/4 of methane-generating pit 1 internal diameters, and the length of described raking arm 61 is 1/2～3/4 of methane-generating pit 1 internal diameters.
Described stirring parts is scraper plate 4 preferably, and it can stir bottom natural pond liquid in large area, and makes it moving to upper stream.Compare with scraper plate 4 and to adopt the mixing effect of 6 pairs of natural pond liquid of rake teeth that round steel or angle steel make a bit weaker, but can be by increasing the distribution density of rake teeth 6, the distribute spacing that promptly dwindles rake teeth 62 improves mixing effect.In addition for the higher natural pond liquid of crude fiber content such as fermentation raw material natural pond liquid, adopt the mixing effect of 6 pairs of natural pond liquid of rake teeth of suitable spacing also quite desirable, and can improve the effect of discharge natural pond slag based on stalk.
The distribute spacing of described rake teeth 62 is 2～10 times of biogas fermentation raw material particle size.When being 20 millimeters as the length when the stalk fermentation raw material, the spacing of rake teeth 62 can be 40～60 millimeters, and is perhaps bigger.
Referring to Fig. 5, Fig. 6, identical described stirring parts with Fig. 4 is a rake teeth 62, and rake teeth 62 adopts equal legged angle to make, and stirring parts also can adopt scraper plate 4.Described balladeur train 6 bottoms are provided with floating drum 68, four floating drum 68 straight line reciprocating mechanism 7 axis directions are fixed on the bottom of balladeur train 6 side by side, floating drum 68 is sealable plenum space, the employing plastics are made, whole balladeur train is suspended in the water, drive moving linearly in the liquid of natural pond by linear reciprocating mechanism 7, and push the natural pond slag to discharge port 3 one sides.This structure has been avoided the friction of slide rail among Fig. 1 to Fig. 45 and balladeur train 6, safeguards more simple and convenient.Can also traveller 67 be set in the both sides of balladeur train 6 widths, reciprocating to guarantee balladeur train 6 along the axis direction of linear reciprocating mechanism 7, direction that can bias motion.
The utility model is simple in structure, and operation and maintenance is convenient, and cost of manufacture is low, and stirring and discharging are effective, and subject range is extensive, is particularly suitable for the whipping appts as various dry types or wet type biogas pond, also is convenient to existing methane-generating pit whipping appts is transformed.
Claims (10)
1. back and forth scrape slag formula natural pond alloy melt stirring device for one kind, comprise power part, moving parts and stirring body, it is characterized in that: described power part is linear reciprocating mechanism (7), described moving parts comprise be shelved on slide rail (5) go up or suspend in water or be solid on the steel cable that is suspended to top, methane-generating pit (1) upper edge or pond top balladeur train (6) and be arranged at one group of raking arm (61) on the balladeur train (6), described stirring body is the rake teeth (62) that is distributed on the raking arm (61), or be parallel to raking arm (61) longitudinal center line and be fixed on scraper plate (4) on the raking arm (61), the inboardend of linear reciprocating mechanism (7) is arranged on the pool wall of methane-generating pit (1) bottom, and the flexible end of linear reciprocating mechanism (7) is connected with an end of balladeur train (6).
2. a kind of slag formula natural pond alloy melt stirring device of back and forth scraping according to claim 1, it is characterized in that: the longitudinal center line of described slide rail (5) parallels with the longitudinal center line of discharge port (3), corresponding slide rail (5) is equipped with roller (66) on the bottom surface of described balladeur train (6), and the inboardend of linear reciprocating mechanism (7) is fixed on methane-generating pit (1) the pool wall outside with the relative side of discharge port (3).
3. a kind of slag formula natural pond alloy melt stirring device of back and forth scraping according to claim 1 is characterized in that: the length of described raking arm (61) is 1/2～3/4 of the interior empty size of methane-generating pit (1).
4. according to claim 1 or 3 described a kind of slag formula natural pond alloy melt stirring devices of back and forth scraping, it is characterized in that: the distribute spacing of described raking arm (61) is less than the stroke of linear reciprocating mechanism (7).
5. according to claim 1 or 3 described a kind of slag formula natural pond alloy melt stirring devices of back and forth scraping, it is characterized in that: described raking arm (61) is pipe or round steel, described balladeur train (6) is gone up corresponding raking arm (61) and is fixed with two axillares (63) at least, raking arm (61) penetrates in two axillares (63), and be slidingly matched with it, described rake teeth (62) adopts round steel or angle steel to make, described scraper plate (4) adopts steel plate to make, the length of scraper plate (4) is corresponding with raking arm (61), the height of rake teeth (62) or scraper plate (4) is 5～20 times of biogas fermentation raw material particle size, discharge port (3) one sides of last corresponding rake teeth (62) of described balladeur train (6) or scraper plate (4) are provided with inclined-plane block (64), and the last corresponding balladeur train (6) of described raking arm (61) is provided with the locating part (65) perpendicular to rake teeth (62) or scraper plate (4).
6. a kind of slag formula natural pond alloy melt stirring device of back and forth scraping according to claim 1, it is characterized in that: described linear reciprocating mechanism (7) is electronic or manual screw block.
7. a kind of slag formula natural pond alloy melt stirring device of back and forth scraping according to claim 1, it is characterized in that: the distribute spacing of described rake teeth (62) is 2～10 times of biogas fermentation raw material particle size.
8. a kind of slag formula natural pond alloy melt stirring device of back and forth scraping according to claim 1, it is characterized in that: the outer wall of described methane-generating pit (1) is provided with the discharge nozzle (31) that is communicated with discharge port (3), and the top inner at discharge nozzle (31) is provided with a nozzle (32), the spout of nozzle (32) points to discharge port (3), and the other end of nozzle (32) passes discharge nozzle (31) and is connected with high-pressure water through pipeline.
9. a kind of slag formula natural pond alloy melt stirring device of back and forth scraping according to claim 8 is characterized in that: be respectively arranged with switch-valve (33) and service valve (34) on the discharge nozzle (31) of nozzle (32) both sides.
10. a kind of slag formula natural pond alloy melt stirring device of back and forth scraping according to claim 1 is characterized in that: described balladeur train (6) bottom is provided with floating drum (66).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202787911U CN201722378U (en) | 2010-08-02 | 2010-08-02 | Reciprocating slag scraping type biogas fluid mixing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202787911U CN201722378U (en) | 2010-08-02 | 2010-08-02 | Reciprocating slag scraping type biogas fluid mixing device |
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| CN201722378U true CN201722378U (en) | 2011-01-26 |
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| CN105462819A (en) * | 2015-12-29 | 2016-04-06 | 郝迪生 | Biogas digester |
| CN105462819B (en) * | 2015-12-29 | 2018-03-30 | 郝迪生 | A kind of methane-generating pit |
| CN106399082A (en) * | 2016-09-29 | 2017-02-15 | 广西大学 | Household safe biogas generation device |
| CN106628686A (en) * | 2016-12-16 | 2017-05-10 | 杭州韦尔茂通环境技术有限公司 | Automatic slide rack sludge bunker system with guide rod and application method thereof |
| CN107029825A (en) * | 2017-05-27 | 2017-08-11 | 安徽管仲酒业有限公司 | A kind of brewed spirit auxiliary material reducing mechanism |
| CN111087144A (en) * | 2019-12-30 | 2020-05-01 | 西安金清泰环境科技有限公司 | Sludge treatment tank |
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