CN201102813Y - Eccentric gravity ash valve - Google Patents
Eccentric gravity ash valve Download PDFInfo
- Publication number
- CN201102813Y CN201102813Y CNU2007200651154U CN200720065115U CN201102813Y CN 201102813 Y CN201102813 Y CN 201102813Y CN U2007200651154 U CNU2007200651154 U CN U2007200651154U CN 200720065115 U CN200720065115 U CN 200720065115U CN 201102813 Y CN201102813 Y CN 201102813Y
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- 230000005484 gravity Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims description 17
- 210000004907 gland Anatomy 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses an eccentric gravity ash discharge valve for carrying out ash discharge and discharge under ash bucket, feed bin in industries such as environmental protection, metallurgy and the like. The inner cavity of the shell with a similar volute eccentric structure is provided with a large cylindrical surface for mounting a large end cover and a small cylindrical surface which is a rotary sealing surface of the impeller, the large end cover is fixedly connected to two sides of the large cylindrical surface of the shell through first set screws, and the large end cover is connected with the small end cover through the first set screws. Two ends of the valve shaft are supported on deep groove ball bearings in a central hole of the small end cover, the impeller is connected with the valve shaft through a pin key, and two ends of the valve shaft are respectively provided with a manual friction disc and an electromagnetic brake which can ensure that materials in a hopper or a storage bin can be unloaded when the materials reach the expected weight. The eccentric gravity ash valve has the advantages of good sealing effect, no air leakage or air leakage, electricity saving, low manufacturing cost, less maintenance workload and popularization value.
Description
Technical field
The utility model relates to a kind of ash-valve, relates in particular to a kind of centering type gravity ash-valve that carries out ash discharge, discharging and feed under ash bucket, feed bin that is used for industries such as environmental protection, metallurgy, mine, chemical industry, building materials
Background technology
At present, ash discharge (discharging) valve of common employing mainly contains two kinds on row, delivery device: the one, and star ash-valve (also being the rigidity revolving plow reclaimer), another kind is a flap valve.
The valve casing of star ash-valve is symmetrical on the impeller centre of gration, and the inlet point center is to also being symmetrical in the impeller centre of gration.Impeller outer edge and valve shell cavity all are by machinework, and reach certain working accuracy and quality of fit.Material in feed bin, the ash bucket does not produce tangential force to impeller, and impeller can not rotate voluntarily, needs external transmission device on paddle shaft, and the transmission device of common use is the cycloidal planetary gear speed reducer of translator.Because the valve of this form has the better seal effect, feed, discharging are uniform and stable, it has advantages such as the Long-distance Control of realization, the application scenario is wider than flap valve, but also exist the some shortcomings part: the one, the structure heaviness, the weight of ash-valve own is no more than the weight of transmission speed reducer and motor; The 2nd, when inlet point material blockage phenomenon, motor is still worked by setup program, makes motor overload easily and burns; The 3rd, be furnished with motor reducer and transmission device, manufacturing cost is higher, and the installation and maintenance complexity is heavy.Remove this, motor also will consume certain energy, long-time running, and expense is many.
To be exactly the weight of utilizing material in feed bin or the ash bucket open valve plate to the pressure of valve plate to the structural principle of flap valve, the material in feed bin and the ash bucket unload a certain amount of after, it is SELF CL that the pressure on the valve plate reduces.The overhanging end of valve shaft is provided with screw mandrel and weight, adjusts the position of weight on screw mandrel, the weight arm size when changing the valve plate action, thereby the frequency of regulating the turnover panel action.For the Long-distance Control that realizes that the valve plate action opens and closes, the flap valve that has adopts cylinder or Electrohydraulic push rod to replace screw mandrel and weight, the valve that this structure forms exists a lot of weak points: at first be collaborate, air leakage phenomena is serious, the effect in the ash bucket of air-transport system and dust pelletizing system neither be fine; The 2nd, can not guarantee the discharging uniform and stable, during discharging, can produce bigger airborne dust because of the impact of material at discharging place.Because the irregularity of discharging, it can not be used in the feeding system; The 3rd, the valve plate easy deformation, make be not closed completely close, more serious when particularly adopting cylinder or Electrohydraulic push rod to open and close; The 4th, geometrical scale is bigger, and is unfavorable to the spatial destribution at feed bin, hopper place; The 5th, do not leak out during for the assurance discharging, the action request of two valve plates is asynchronous about the flap valve, need have the regular hour poor, has increased the complexity of control when realizing distance control.
Summary of the invention
In order to overcome the technical matters that prior art exists, the utility model provides a kind of compact conformation, good seal performance, cost of manufacture is low, comformability is strong, maintenance is simple and convenient, do not need driving device to get final product work, can realize automatic remote control and the centering type gravity ash-valve of manually controlling that energy-saving effect is arranged.
For achieving the above object, the technical solution adopted in the utility model is: described a kind of centering type gravity ash-valve mainly comprises magnet stopper, little end cap, big end cap, impeller, housing, valve shaft, friction disc, control hand wheel and bearing and oil sealing etc.Make the housing of a scroll casing shape centering type structure because of metallic material, the inner chamber of housing is the face of cylinder of two decentraction, and the great circle cylinder is used to install big end cap, and the roundlet cylinder is the rotary seal face of impeller.With first holding screw big end cap is connected on the housing, with first holding screw little end cap is linked to each other with big end cap equally.The valve shaft of tape spool cover is bearing on the deep groove ball bearing in the housing narrowing toward each end end cap central bore, and impeller is that pin key is captiveed joint with valve shaft.Because of the roundlet cylinder of housing inner chamber is the rotary seal face of impeller, so the roundlet cylinder of the inner end surface of impeller and housing and housing inner chamber has certain clearance, and this gap can guarantee that impeller rotates freely.No matter whether impeller rotates, and does not have dust and runs out of.The centre of gration of the inlet point misalignment impeller of housing, when entering ash-valve by the inlet point of housing by material (mainly be ash material), the side that material acts on impeller is made it lack of equilibrium for tangential force of impeller and rotates, and material is drawn off to the discharging opening end face from the feed inlet end band.The deep groove ball bearing that covers at two small ends that are used to support valve shaft is contained in the c section and the c ' section of valve shaft.Both ends of the surface at deep groove ball bearing all are equipped with the skeleton type oil sealing, and this skeleton type oil sealing sealing is effective, long service life.Adjacent deep groove ball bearing links to each other bearing gland with interior holding screw with little end cap.E ' section and f section at valve shaft are equipped with the manual friction-type stop mechanism that is made of friction disc, plain thrust bearing, spring and control hand wheel, wherein friction disc adopts light wear-resistant material to make, the rotary inertia that it is produced when rotating with valve shaft is very little, can not influence the alerting ability of impeller rotation.Manually the friction-type stop mechanism can change the rotative speed of impeller on the valve shaft, and can produce certain friction moment, reduces the load of magnet stopper.In the e of valve shaft section magnet stopper is housed, it can make the wheel rotation on the valve shaft or stop.Manually friction-type stop mechanism and magnet stopper can both satisfy bigger lock torque.
A kind of centering type gravity ash-valve that adopts as above technical scheme to provide is compared with flap valve with the star ash-valve of present use, and its technique effect is:
1. sealing effectiveness is good.Impeller can separate housing feed end and discharge end (gap of leaving necessary rotation) fully in the contact position with the housing inner chamber, when impeller rotates, blade on the impeller can pass through the contact position successively, guarantee when discharging, can not produce gas leakage, air leakage phenomena, when impeller did not revolve, the gap of staying can not make material discharge naturally.
2. safe and reliable, control is simple.If not external magnet stopper as long as adjust the friction force of friction disc, just can guarantee just can carry out discharging when reaching the weight of expection at material, and easy to adjust.When using magnet stopper, power consumption also has only 20-50W, and is to adopt the 24V low potential source, and distance control is had better advantage.
3. low cost of manufacture.The cycloidal planetary gear speed reducer that the star ash-valve of same specification is equipped with is expensive, and the framing member weight of the described centering type gravity of this case ash-valve is very nearly the same with the valve of same specification, and magnet stopper is about 1/5～1/10 of reduction gearing mechanism price.Compare low cost of manufacture about 50% with the flap valve that adopts air cylinder driven; Compare with the flap valve that adopts Electrohydraulic push rod to drive, cost is lower, and it is slightly high only to match well weight hammer type flap valve cost.
4. novel in design, compact conformation is safeguarded simple.Traditional star ash-valve (rigidity revolving plow reclaimer) uses the additionaling power source to make the impeller rotation, and centering type gravity ash-valve described in the utility model is to rely on the material deadweight to make the impeller spinning movement, and by its rotative speed of a kind of mechanism controls.All framing members adopt dismoutabilities to connect, to simplified processing process, improve working accuracy, maintain easily maintenance positive role is all arranged.Other pattern valve of its oad and weight ratio same specification all wants little and light, does not have transmission device, and consumable accessory has only deep groove ball bearing and oil sealing, and changes conveniently, has reduced maintenance workload.
5. wide adaptability.Centering type gravity ash-valve has the characteristics of the ash-valve of two kinds of versions that prior art mentions concurrently, can adapt to the various storage ash buckets of industry, unloading of feed bin blanking such as environmental protection, metallurgy, mine, cement, chemical industry, pottery and put, also can in the proportioning process system, make feeding device and use.
6. energy-saving effect is remarkable.The power consumption of described centering type gravity ash-valve is the 1-2% of same specification star ash-valve (rigidity revolving plow reclaimer), and the economize on electricity expense in 1 year can be regained equipment investment.
Description of drawings
Fig. 1 is the forward structure cross-sectional schematic of centering type gravity ash-valve described in the utility model.
Fig. 2 is centering type gravity ash-valve middle shell described in the utility model, impeller and valve shaft three's the scheme drawing that concerns, also is Figure of abstract of the present utility model.
Fig. 3 is the profile scheme drawing of valve shaft
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Described a kind of centering type gravity ash-valve mainly comprise magnet stopper 1, left small end lid 2 and right small end lid 2 ', left deep groove ball bearing 3 and right deep groove ball bearing 3 ', left oil sealing 4 and right oil sealing 4 ', valve shaft 5, impeller 6, housing 7, the big end cap 8 in a left side and right big end cap 8 ', left bearing gland 9 and right bearing gland 9 ', friction covers 10, plain thrust bearing 11, spring 12, control hand wheel 13, interior holding screw 14, first holding screw 15, axle sleeve 16 and second holding screw 17.
As shown in Figure 2, make the housing 7 of a similar scroll casing shape centering type structure with metallic material, the outward flange of housing 7 be fixed with the individual coupling link 7 of N (integers of N＞2) ', through coupling link 7 ' housing 7 can be connected on the relevant apparatus of blowing or dust removing system.The inlet point central axis of housing 7 and the centre of gration of impeller 6 have eccentric throw d
1, and the centre of gration of the discharging opening central axis of housing 7 and impeller 6 has eccentric throw d
2A side that acts on impeller 6 when material (ash material etc.) material when the feed inlet end of housing 7 enters housing 7 inner chambers is made it lack of equilibrium can for 6 one tangential forces of impeller and be rotated, and the rotation of impeller 6 draws off from the feed inlet end band material to the discharging opening end face.What give impeller 6 because of the material thing is tangential force rather than positive pressure, has eliminated the latch up phenomenon of material at feed inlet end, and the possibility that impeller 6 is stuck is also little.The inner chamber of housing 7 has the face of cylinder of two decentraction, and the great circle cylinder is used for installing big end cap 8 in a left side and right big end cap 8 ' (as shown in Figure 1), and the roundlet cylinder is the rotary seal face (as shown in Figure 2) of impeller 6.Boring processing is all passed through on two faces of cylinder, has reached certain degree of finish and quality of fit.Individual first holding screw 15 of N ' (integers of N '＞2) is arranged the big end cap 8 in a left side, right big end cap 8 ' be affixed to the left and right both sides of housing 7 great circle cylinders, individual first holding screw 15 of N ' (integers of N '＞2) is arranged left small end lid 2, right small end lid 2 ' respectively and the big end cap 8 in a left side, right big end cap 8 ' link to each other.The a section have two of the valve shaft 5 of axle sleeve 16 be bearing in left deep groove ball bearing 3 in left small end lid 2, the right small end lid 2 ' centre hole, right deep groove ball bearing 3 ' on.Impeller 6 is installed in a section of valve shaft 5, and impeller 6 is captiveed joint for pin key with valve shaft 5, and impeller 6 places in the valve pocket of housing 7.Impeller 6 and left small end lid 2, right small end lid 2 ', the big end cap 8 in a left side, right big end cap 8 ' and the inner chamber of housing 7 certain interval is arranged, do not contact to each other during impeller 6 rotations.As shown in Figure 1, the b ' section of valve shaft 5 and c ' section be arranged in right small end lid 2 ' centre hole, on the b ' of valve shaft 5 section, be equipped with right oil sealing 4 ', right oil sealing 4 ' be the skeleton type oil sealing, its good sealing effect, long service life.By suffer the right deep groove ball bearing 3 of right oil sealing 4 ' on the c ' of valve shaft 5 section, be equipped with ', on the d ' section of valve shaft 5 in right deep groove ball bearing 3 ' right hand edge also be equipped with right oil sealing 4 ', the right oil sealing 4 of (skeleton type) of so right deep groove ball bearing 3 ' two side ends ' guaranteed the alerting ability of right deep groove ball bearing 3 ' rotation, but (skeleton type) right oil sealing 4 ' and deep groove ball bearing 3 ' valve shaft 5 that rotates is also produced certain friction force.The holding screw 14 of right bearing gland 9 ' in L (integers of L＞2) is individual and right small end lid 2 ' be connected mutually.Be loaded on valve shaft 5 e ' section plain thrust bearing 11 positions right bearing gland 9 ' outside inner chamber, screw thread periphery on the e ' section of valve shaft 5 is placed with spring 12, plain thrust bearing 11 is lived on one crown of spring 12, spring 12 available buffer grinding disks 10 and right bearing gland 9 ' between friction.Friction disc 10 is screwed on the e ' section of valve shaft 5 and its bottom surface is contacted with the outside face of right bearing gland 9.Friction disc 10 adopts light material to make, and the rotary inertia when it rotates with valve shaft 5 is very little, the sensitivity in the time of can not influencing impeller 6 rotations.The rotative speed of the impeller 6 of friction disc 10 on can changing valve shaft 5, also can produce certain friction moment.Be screwed with regulating handle 13 in the f of valve shaft 5 section, rotate regulating handle 13 change friction discs 10 and right bearing gland 9 ' between the friction force size, guarantee that the friction force size is uniform and stable, guaranteed impeller 6 actions evenly, can guarantee just to understand when material in feed bin, the hopper reaches some discharging.
The b section of valve shaft 5 and c section are arranged in the centre hole of left small end lid 2, in the c of valve shaft 5 section left deep groove ball bearing 3 is housed, the two side ends of left side deep groove ball bearing 3 is equipped with left oil sealing 4 in the b of valve shaft 5 section and d section, left side oil sealing 4 is the skeleton type oil sealing, and the skeleton type oil sealing can guarantee the alerting ability that left deep groove ball bearing 3 rotates.Left bearing gland 9 is connected with left small end lid 2 greater than 2 interior holding screw 14 mutually through quantity, and the magnet stopper 1 that is loaded on the e section of valve shaft 5 links to each other with left bearing gland 9 through second holding screw 17.Magnet stopper 1 is a prior art, and product can be bought in market, and the effect of magnet stopper 1 is impeller 6 on the valve shaft 5 is rotated or to stop.
The magnet stopper 1 that is equipped with at the two ends of valve shaft 5 and the effect of friction disc 10 are: the friction moment that friction disc 10 produces can reduce the load of magnet stopper 1, thereby makes the magnet stopper 1 than small dimension satisfy bigger lock torque.Magnet stopper 1 and friction disc 10 can use separately, also can use simultaneously, can both guarantee that the rotation of impeller 6 can be too not frequent.Regulate the axial internal clearance of friction disc 10, the friction disc 10 and the contact friction force size of housing 7 are changed, be enough to surpass the friction force of setting just discharging when adding the intrinsic resistance sum of structure but have only when the weight of material in feed bin or the hopper.When magnet stopper 1 charging, impeller 6 can not rotate, and when magnet stopper 1 dead electricity, magnet stopper 1 just can rotate freely with impeller 6, promptly realizes Long-distance Control, guarantees in time evenly discharging again.
Claims (1)
1, a kind of centering type gravity ash-valve is characterized in that: be fixed with quantity greater than 2 coupling link (7 ') at the outward flange of the housing (7) of similar scroll casing shape centering type structure, the centre of gration of the inlet point central axis of housing (7) and impeller (6) has eccentric throw d
1, the centre of gration of the discharging opening central axis of housing (7) and impeller (6) has eccentric throw d
2The inner chamber of housing (7) has the face of cylinder of two decentraction, and the great circle cylinder is used for installing big end cap (8) in a left side and right big end cap (8 '), and the roundlet cylinder is the rotary seal face of impeller (6); There is quantity the big end cap in a left side (8), right big end cap (8 ') to be affixed to the left and right both sides of housing (7) great circle cylinder, has quantity the little end cap in a left side (2), right little end cap (2 ') to be linked to each other with the big end cap in a left side (8), right big end cap (8 ') respectively greater than 2 first holding screw (15) greater than 2 first holding screw (15); The a section has two of the valve shaft (5) of axle sleeve (16) to be bearing on left deep groove ball bearing (3) in left little end cap (2), right little end cap (2 ') centre hole, the right deep groove ball bearing (3 '), and the impeller (6) that is installed in valve shaft (5) a section is captiveed joint for pin key with valve shaft (5); B ' the section of valve shaft (5) and c ' section are arranged in the centre hole of right little end cap (2 '), in the two side ends of the right deep groove ball bearing (3 ') on the c ' section of valve shaft (5) b ' section that is installed on valve shaft (5) and the right oil sealing (4 ') on d ' section are arranged; Right bearing gland (9 ') is connected with right little end cap (2 ') greater than 2 interior holding screw (14) mutually through quantity, the screw thread periphery of the e ' section of valve shaft (5) is placed with spring (12), be loaded on plain thrust bearing (11) position on the e ' section of valve shaft (5) at the outside inner chamber of right bearing gland (9 '), plain thrust bearing (11) is lived on a crown of spring (12); The bottom surface that is screwed in the friction disc (10) on the e ' section of valve shaft (5) contacts with the outside face of right bearing gland (9 '), is screwed with regulating handle (13) in the f section of valve shaft (5);
The b section of valve shaft (5) and c section are arranged in the centre hole of left little end cap (2), in the c section of valve shaft (5) left deep groove ball bearing (3) are housed, and the two side ends of left deep groove ball bearing (3) is equipped with left oil sealing (4) in the b section and the d section of valve shaft (5); Left bearing gland (9) is connected with left little end cap (2) greater than 2 interior holding screw (14) mutually through quantity, and the magnet stopper (1) that is loaded on the e section of valve shaft (5) links to each other with left bearing gland (9) through second holding screw (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200651154U CN201102813Y (en) | 2007-11-16 | 2007-11-16 | Eccentric gravity ash valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200651154U CN201102813Y (en) | 2007-11-16 | 2007-11-16 | Eccentric gravity ash valve |
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| Publication Number | Publication Date |
|---|---|
| CN201102813Y true CN201102813Y (en) | 2008-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200651154U Expired - Fee Related CN201102813Y (en) | 2007-11-16 | 2007-11-16 | Eccentric gravity ash valve |
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| Country | Link |
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| CN (1) | CN201102813Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267622A (en) * | 2011-05-13 | 2011-12-07 | 江苏天元金属粉末有限公司 | Blanking control valve for powdered or granular materials |
| CN102390671A (en) * | 2011-07-18 | 2012-03-28 | 平安电气股份有限公司 | Eccentric star-like cinder valve |
| CN104163323A (en) * | 2014-08-04 | 2014-11-26 | 泰州市地鑫输送机械设备有限公司 | Ilmenite powder lateral distributor |
| CN104627683A (en) * | 2015-02-02 | 2015-05-20 | 东南大学 | Dry powder squeezing and sealing pressure-variable conveying device |
| CN105564916A (en) * | 2016-01-08 | 2016-05-11 | 湖州求精汽车链传动有限公司 | Windmill type rotary material turnover method for uniformly turning over materials and rotary material turnover system |
| CN106956931A (en) * | 2017-05-16 | 2017-07-18 | 湖南省湘粮机械制造有限公司 | Rotation formula airlock |
| CN107161730A (en) * | 2017-06-29 | 2017-09-15 | 天津机电职业技术学院 | A kind of wastewater treatment vehicle of pump type automatic discharge apparatus and the application device |
| CN107340168A (en) * | 2017-08-25 | 2017-11-10 | 湖南三德科技股份有限公司 | A kind of charging gear for sample preparation |
| CN108483048A (en) * | 2018-05-31 | 2018-09-04 | 湖北精盛机械设备制造股份有限公司 | A kind of squelch type lock gas feed valve |
| CN111565908A (en) * | 2017-12-22 | 2020-08-21 | 倍耐力轮胎股份公司 | Metering device for metering a dose of a compound, in particular for a tyre, and method for metering a dose of a compound, in particular for a tyre |
| CN111619858A (en) * | 2020-06-16 | 2020-09-04 | 顺德职业技术学院 | A automatic packing plant for food processing |
| CN114673824A (en) * | 2022-04-19 | 2022-06-28 | 大连中和聚能自动控制系统有限公司 | A top-mounted handwheel mechanism for a double-acting pneumatic actuator |
| CN115749924A (en) * | 2022-11-14 | 2023-03-07 | 中煤能源研究院有限责任公司 | Gravity rotary gas drainage pipeline automatic slag discharge device |
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2007
- 2007-11-16 CN CNU2007200651154U patent/CN201102813Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267622A (en) * | 2011-05-13 | 2011-12-07 | 江苏天元金属粉末有限公司 | Blanking control valve for powdered or granular materials |
| CN102390671A (en) * | 2011-07-18 | 2012-03-28 | 平安电气股份有限公司 | Eccentric star-like cinder valve |
| CN104163323A (en) * | 2014-08-04 | 2014-11-26 | 泰州市地鑫输送机械设备有限公司 | Ilmenite powder lateral distributor |
| CN104627683A (en) * | 2015-02-02 | 2015-05-20 | 东南大学 | Dry powder squeezing and sealing pressure-variable conveying device |
| CN104627683B (en) * | 2015-02-02 | 2017-04-05 | 东南大学 | A kind of dry powder crush seal transformation conveying device |
| CN105564916A (en) * | 2016-01-08 | 2016-05-11 | 湖州求精汽车链传动有限公司 | Windmill type rotary material turnover method for uniformly turning over materials and rotary material turnover system |
| CN106956931B (en) * | 2017-05-16 | 2023-02-28 | 湖南省湘粮机械制造有限公司 | Swing rotary type air seal machinery |
| CN106956931A (en) * | 2017-05-16 | 2017-07-18 | 湖南省湘粮机械制造有限公司 | Rotation formula airlock |
| CN107161730A (en) * | 2017-06-29 | 2017-09-15 | 天津机电职业技术学院 | A kind of wastewater treatment vehicle of pump type automatic discharge apparatus and the application device |
| CN107340168A (en) * | 2017-08-25 | 2017-11-10 | 湖南三德科技股份有限公司 | A kind of charging gear for sample preparation |
| CN111565908A (en) * | 2017-12-22 | 2020-08-21 | 倍耐力轮胎股份公司 | Metering device for metering a dose of a compound, in particular for a tyre, and method for metering a dose of a compound, in particular for a tyre |
| CN111565908B (en) * | 2017-12-22 | 2024-02-27 | 倍耐力轮胎股份公司 | Metering device for metering ingredients of compounds of tires and metering method thereof |
| CN108483048A (en) * | 2018-05-31 | 2018-09-04 | 湖北精盛机械设备制造股份有限公司 | A kind of squelch type lock gas feed valve |
| CN111619858A (en) * | 2020-06-16 | 2020-09-04 | 顺德职业技术学院 | A automatic packing plant for food processing |
| CN114673824A (en) * | 2022-04-19 | 2022-06-28 | 大连中和聚能自动控制系统有限公司 | A top-mounted handwheel mechanism for a double-acting pneumatic actuator |
| CN115749924A (en) * | 2022-11-14 | 2023-03-07 | 中煤能源研究院有限责任公司 | Gravity rotary gas drainage pipeline automatic slag discharge device |
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