CN105370896A - Blow-off valve - Google Patents
Blow-off valve Download PDFInfo
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- CN105370896A CN105370896A CN201410427717.4A CN201410427717A CN105370896A CN 105370896 A CN105370896 A CN 105370896A CN 201410427717 A CN201410427717 A CN 201410427717A CN 105370896 A CN105370896 A CN 105370896A
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Abstract
The invention discloses a blow-off valve. The blow-off valve comprises a valve body (3), a rotating body and a first cooling passage (6), the valve body (3) is in a horizontally-placed cylinder shape, a feeding opening (31) is formed in the top of the valve body (3), and a discharging opening (32) is formed in the bottom of the valve body (3); the rotating body comprises a rotating shaft (5) provided with a plurality of blades (4), the rotating shaft (5) penetrates the valve body in a rotational manner, and the blades are located in a cylinder; and the first cooling passage (6) comprises a first inlet (61), a first outlet (62) and a first cooling channel (63), the first inlet is formed in one end of the rotating shaft, the first outlet is formed in the other end of the rotating shaft, and the first cooling channel is distributed in the blades. According to the blow-off valve, the blades and the rotating shaft can be sufficiently cooled in the first cooling channel so that the blades and the rotating shaft can be kept at a lower and stable temperature, and it is guaranteed that a gap between the blades and the inner wall of the valve body during working is controllable.
Description
Technical field
The present invention relates to field of chemical equipment, relate to a kind of blow-off valve of discharges material under the high temperature conditions particularly.
Background technique
Blow-off valve be used for solid particle or dust-like material discharge or for other device feed, be all widely used in multiple industries such as coal, metallurgy, cement.According to the difference of work material embody rule occasion, blow-off valve needs at high temperature to work sometimes, for the discharge of high-temperature material.Should be used for illustrating in coal pyrolysis upgrading for blow-off valve below.The low-order coal storage comprising brown coal in China is enriched, low-order coal water content is high, calorific value is low, volatile constituent is high, be not suitable for long-distance transportation and utilization, its development and utilization is very limited, comprise the value of the low-order coal of brown coal for raising and widen its application market, a kind of method of low-order coal being carried out to upgrading is pyrolysis, to obtain semicoke and the higher tar of added value.Pyrolysis upgrading has kinds of processes method, low temperature (500 ~ 600 DEG C) pyrolysis, middle temperature (about 750 DEG C) pyrolysis etc. is had according to heating-up temperature classification, the thorny problem that in these technological methodes, existence one is common, namely pyrolysis char needs hot type material, and existing blow-off valve is difficult to the requirement adapting to hot type material.The phenomenon that the current blow-off valve for hot type material in use often occurs internal component distortion and leaks gas and get stuck, cause operation not smooth, and partial material is extruded pulverizing in the process of getting stuck, produce dust, blow-off valve at high temperature uses for a long time and causes its life-span shorter in addition.
Therefore, a kind of blow-off valve that can overcome the problems referred to above is needed.
Summary of the invention
The object of this invention is to provide a kind of blow-off valve, this blow-off valve has good sealability, runs fragmentation that is smooth and easy and that can reduce material.
To achieve these goals, the invention provides a kind of blow-off valve, this blow-off valve comprises: valve body, and this valve body is formed as the cylindrical shape of horizontal positioned, the horizontal closed at both ends of this cylindrical body, and this cylindrical body top and bottom are respectively arranged with material feeding mouth and discharge port; Solid of rotation, this solid of rotation comprises the running shaft being provided with multiple blade, and described running shaft and described cylindrical body coaxially arrange and run through described valve body rotationally, and described blade is positioned at described cylindrical body; With the first coolant path, this first coolant path comprises the first entrance, the first outlet and the first cooling channel being connected this first entrance and the first outlet, described first entrance is arranged at one end of described running shaft, described first outlet is arranged at the other end of described running shaft, and described first cooling channel is distributed in described blade.
Pass through technique scheme, blow-off valve of the present invention is provided with the first coolant path, the first cooling channel that this first coolant path has setting the first entrance on the rotary shaft and the first outlet and is distributed in blade, operationally cooling medium energy fully cooled blade and running shaft, enable the temperature that blade and running shaft keep lower and stable, the thermal expansion amount of blade is less, can avoid blade and valve body cylindrical wall that the situation of conflicting occurs because of expansion with this understanding, thus ensure that the gap operationally between blade and the inwall of valve body is controlled, blow-off valve can be made like this to have good sealability, will operation be made not smooth because of snapping in material particles in gap again, it also avoid material particles in gap, be extruded fragmentation and produce dust simultaneously.
Preferably, described first cooling channel is uniformly distributed in each described blade.
Preferably, described first cooling channel extends along described running shaft radial direction reciprocating and turning-back in each described blade.
Preferably, described first cooling channel comprises contiguous described first entrance at each described blade and the inflow tube extended along described running shaft radial direction, contiguous described first outlet and the effluent conduit extended along described running shaft radial direction and the Duo Tiao Transverse that is communicated between described inflow tube and effluent conduit to pipeline, described inflow tube is communicated with the first entrance, described effluent conduit and described first outlet.
Preferably, described first cooling channel extends along the axial direction reciprocating and turning-back of described running shaft in each described blade.
Preferably, described first coolant path also comprises the running shaft cooling channel be arranged in described running shaft, and the two ends of this running shaft cooling channel connect described first entrance and the first outlet respectively.Further preferably, the actual internal area of described running shaft cooling channel is less than the actual internal area of single described first cooling channel.
Preferably, each described blade is assembled by multiple blade assembly or welding forms.
Preferably, described blade is uniformly distributed along the circumference of described running shaft.
Preferably, the external margin of described blade is 0.15mm to 0.3mm apart from the distance of the inwall of described cylindrical body.
Preferably, described blow-off valve also comprises the second coolant path, described second coolant path comprises the second entrance, the second outlet and the second cooling channel being connected this second entrance and the second outlet, described second entrance and the second outlet are all arranged on the wall of described valve body, and described second cooling channel is arranged in the wall of described valve body.
Preferably, described second entrance and the second outlet lay respectively at top and the bottom of the wall of described valve body.
Preferably, described second cooling channel is uniformly distributed in the wall of described valve body.
Preferably, described blow-off valve also comprises pump and cooling liquid container, and this cooling liquid container is communicated in described first entrance and the second entrance by described pump, and described first outlet and the second outlet are communicated in described cooling liquid container respectively.
Preferably, described first coolant path be connected the described pump of this first coolant path and cooling liquid container and described second coolant path and the described pump and the separate setting of cooling liquid container that are connected this second coolant path.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, is used from explanation the present invention, but is not construed as limiting the invention with embodiment one below.In the accompanying drawings:
Fig. 1 is the interarea schematic diagram of blow-off valve of the present invention.
Fig. 2 is the side sectional view of blow-off valve valve body part of the present invention.
Fig. 3 is the plan view of blow-off valve of the present invention.
Fig. 4 is the first preferred structure schematic diagram of cooling channel.
Fig. 5 is the second preferred structure schematic diagram of cooling channel.
Fig. 6 is the third preferred structure schematic diagram of cooling channel.
Fig. 7 is the effect schematic diagram that the first preferred structure of cooling channel is arranged in four blades.
Fig. 8 is the effect schematic diagram that the second preferred structure of cooling channel is arranged in four blades.
Fig. 9 is the effect schematic diagram that the third preferred structure of cooling channel is arranged in four blades.
Figure 10 is cooling channel when adopting the second preferred structure, and the blade of blow-off valve is along the perspective view after the bearing of trend partial sectional of the first cooling channel.
Description of reference numerals
1 driving power device 2 transmission device
3 valve body 4 blades
5 running shaft 6 first coolant paths
7 second coolant path 8 filter assemblies
31 material feeding mouth 32 discharge ports
61 first entrances 62 first export
63 first running shaft cooling channel, cooling channels 64
71 second entrances 72 second export
73 second cooling channel 631 inflow tube
632 effluent conduit 633 horizontal pipelines
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower, left and right " of use typically refers to reference to upper and lower, left and right shown in the drawings; " inside and outside " refers to profile inside and outside relative to each parts itself.
Shown in Fig. 1 to Fig. 3 and Figure 10, blow-off valve of the present invention comprises valve body 3, solid of rotation and the first coolant path 6.The main body of valve body 3 is formed as the cylindrical shape of horizontal positioned, the horizontal closed at both ends of this cylindrical body, this cylindrical body top and bottom are respectively arranged with material feeding mouth 31 and discharge port 32, and material can enter blow-off valve from its top feed mouth 31, discharge from the discharge port 32 of bottom.Multiple blades 4 that described solid of rotation comprises running shaft 5 and is arranged on this running shaft 5, described running shaft 5 coaxially arranges with described cylindrical body and runs through described valve body 3 rotationally, running shaft 5 can be the common Placement of mechanical field through the mode at the two ends of described valve body 3, connect to enable running shaft rotate relative to valve body 3 as by bearing, certain seal approach can also be adopted to prevent material from leakage at connection part.Described blade 4 in described cylindrical body between described material feeding mouth 31 and discharge port 32, described blade 4 axial direction that is best and running shaft 5 be arranged in parallel, valve body 3 is formed as corresponding circular arc to the revolution of described blade 4 to corresponding inwall, matches with the surface of revolution of blade 4.Described first coolant path 6 comprises the first entrance 61, first outlet 62 and the first cooling channel 63 being connected this first entrance 61 and the first outlet 62, described first entrance 61 is arranged at one end of described running shaft 5, described first outlet 62 is arranged at the other end of described running shaft 5, and described first cooling channel 63 is distributed in described blade 4.
Pass through technique scheme, blow-off valve of the present invention is provided with the first coolant path, the first cooling channel that this first coolant path comprises setting the first entrance on the rotary shaft and the first outlet and is distributed in blade, operationally pass into cooling medium in coolant path, water such as can be adopted as cooling medium, cooling medium circulates in the cooling channel and can directly cool blade, make the temperature that blade and running shaft keep lower and stable, thus blade thermal expansion amount is less in the course of the work, and be out of shape also less, when designing blade and valve body with this understanding, can avoid blade and valve body cylindrical wall that competing situation occurs because of expansion, thus ensure that the gap operationally between blade and the inwall of valve body is controlled and less, blow-off valve can be made like this to have good sealability, will operation be made not smooth because of snapping in material particles in gap again, also avoid material particles in gap, be extruded fragmentation and produce dust simultaneously.In addition, running shaft and blade work at a lower temperature and can extend its working life significantly.
Preferably, described first cooling channel 63 is uniformly distributed in each blade 4, can make the homogeneous temperature of blade each several part like this, reduces the thermal distortion of blade.
Fig. 4 illustrates the first preferred structural configuration mode of described first cooling channel 63, and Fig. 7 illustrates this preferred structure and is arranged at effect schematic diagram in four blades.In this structural configuration, one end of described first cooling channel 63 is drawn from the first entrance 61, and the radial direction reciprocating and turning-back along running shaft extends and is incorporated in the first outlet 62, and this reciprocating and turning-back extends the layout that can be formed as U-shaped refraction-reflection type.In this structural configuration mode, cooling channel 63 is arranged in blade equably, and the circulation stroke of cooling medium is longer, can carry out more sufficient heat exchange.
Fig. 5 illustrates the preferred structural configuration mode of the second of described first cooling channel 63, Fig. 8 illustrates this preferred structure and is arranged at effect schematic diagram in four blades, in this structural configuration, described first cooling channel 63 comprises contiguous described first entrance 61 and the inflow tube 631 extended along described running shaft 5 radial direction at each described blade, contiguous described first outlet 62 and the effluent conduit 632 extended along described running shaft radial direction and the Duo Tiao Transverse that is communicated between described inflow tube and effluent conduit are to pipeline 633, described inflow tube 631 is communicated with the first entrance 61, described effluent conduit 632 and described first exports 62 and is communicated with.This arrangement structure is simple, and be easy to processing, the circulating resistance of cooling medium is less.
Fig. 6 illustrates the third preferred structural configuration mode of described first cooling channel 63, Fig. 9 illustrates this preferred structure and is arranged at effect schematic diagram in four blades, in this structural configuration, the axial direction reciprocating and turning-back of described first cooling channel 63 along described running shaft in each described blade 4 extends.This structural configuration mode cooling effectiveness is higher, and the cooling of blade each several part is more even.
In above-mentioned Fig. 4 to Fig. 9, do not demonstrate the shape and structure of blade and only give the structural configuration mode of cooling channel in blade, in fact, the shape and structure of blade and the appearance profile of above-mentioned first cooling channel adapt, the various piece of cooling medium cooled blade equably.In Fig. 4 to Fig. 9, all giving a kind of setting type with four blades, (cooling channel in two blades longitudinal in Fig. 4-6 is not shown, to guarantee that cooling channel in two horizontal blades can clear display), in fact blade and corresponding first cooling channel can for multiple and be not limited to four.
As seen in figs. 5-6, described first coolant path 6 of blow-off valve of the present invention can also comprise the running shaft cooling channel 64 be arranged in described running shaft 5, the two ends of this running shaft cooling channel 64 connect described first entrance 61 and the first outlet 62 respectively, in the first the preferred structure mode shown in Fig. 4, can arrange above-mentioned running shaft cooling channel 64 equally.By arranging running shaft cooling channel 64 in running shaft, the temperature with permanent axis of rotation can be reduced further, make the temperature of running shaft consistent with the temperature of described blade, thus minimizing running shaft and blade are because the inconsistent distortion caused of thermal expansion, and the working life of running shaft can be extended.Preferably, the actual internal area of described running shaft cooling channel 61 is less than the actual internal area of single first cooling channel 63.The actual internal area of single first cooling channel 63 described herein refers in each blade, independent one section of first-class actual internal area of threading a pipe, instead of refers to the summation of multiple first-class actual internal area of threading a pipe in multiple blade.The actual internal area of running shaft cooling channel 61 is less than the actual internal area of single first cooling channel 63, and cooling liquid can be made to distribute in blade and running shaft rationally.
Shown in Figure 7, blade 4 described in each can be assembled by multiple blade assembly or welding forms, and such as can be assembled by two panels half vane, described half vane is provided with groove, after being assembled together by two panels half vane, described channel shaped becomes described first cooling channel 63.In addition, the first cooling channel 63 on blade 4 also can be processed by the mode of casting.
Preferably, described blade 4 is uniformly distributed along the circumference of described running shaft 5.Blade is uniformly distributed along running shaft, and the volume between each blade can be made equal, the discharge flow rate of blow-off valve of being convenient to accurately to convert.
Gap between the inwall of blade 4 and valve body 3 needs little of as far as possible to ensure its sealing, will ensure can not be involved in material particles and cause blade rotary to have some setbacks in gap simultaneously.Preferably, the external margin of described blade 4 is 0.15mm to 0.3mm apart from the distance of the inwall of described cylindrical body.After adopting this spacing to arrange, blow-off valve dense block gas is functional, and runs smooth and easy.
Preferably, described blow-off valve also comprises the second coolant path 7, described second coolant path 7 comprises the second entrance 71, second outlet 72 and the second cooling channel 73 being connected this second entrance 71 and the second outlet 72, described second entrance 71 and the second outlet 72 are all arranged on the wall of described valve body 3, and described second cooling channel 73 is arranged in the wall of described valve body 3.Second cooling channel 73 is set in the wall of valve body 3 thus by cooling medium cooling valve body 3, the operating temperature of valve body 3 both can be made to reduce, extend its working life, also be conducive to the temperature making blade 4 keep stable and lower.And blade and valve body are respectively arranged with the first cooling channel and the second cooling channel, make the thermal expansion amount of blade and valve body all less and swell increment conformity is better, the gap between blade and valve body can be controlled with this understanding better.Second cooling channel 73 can be arranged in two sidewalls of cylindrical body, also can be arranged in two end walls of cylindrical body, or is arranged on this two positions simultaneously.Cooling channel can be horizontally disposed with in wall, also can arrange along the vertical direction, or arranges in other possible mode.
Preferably, described second entrance 71 and the second outlet 72 lay respectively at top and the bottom of the wall of described valve body 3.Adopt this set-up mode that cooling medium can be made to flow from the top down.Preferably, described second cooling channel 73 is uniformly distributed in the wall of described valve body 3.
Described blow-off valve can also comprise pump and cooling liquid container, and this cooling liquid container is communicated in described first entrance 61 and the second entrance 71 by described pump, and described first outlet 62 and the second outlet 72 are communicated in described cooling liquid container respectively.Described blow-off valve can also comprise filter assemblies 8, and described filter assemblies 8 is connected to described first entrance 61 and/or the second entrance 71 place, for filtering cooling liquid.Described filter assemblies can be various filter, or purifier and their combination, and cooling medium removes the particle wherein carried after filtering, thus avoids particle in long-time running accumulate in the cooling channel and cause blocking.At work, first entrance 61 of blow-off valve and the first outlet 62 can exchange use, after namely using a period of time, the first entrance 61 can be used as cooling liquid outlet, first outlet 62 uses as cooling liquid entrance, can avoid like this occurring particle deposition in pipeline; Equally, described second entrance 71 and described and the second outlet 72 also can exchange use.
Preferably, described first coolant path 6 be connected the described pump of this first coolant path 6 and cooling liquid container and described second coolant path 7 and be connected described pump and the separate setting of cooling liquid container of this second coolant path 7.Under so arranging, flowing through the kind of the cooling liquid in the first coolant path, the temperature of cooling liquid, the time controling of cooling liquid circulation etc. can be separate with the second coolant path, thus is convenient to control respectively.
Described blow-off valve can also comprise driver part, and this driver part drives described solid of rotation to rotate.Fig. 1 and Fig. 3 shows a kind of mode of driving, in figures 1 and 3, driver part comprises driving power device 1 and transmission device 2, described driving power device 1 can be motor, described transmission device 2 can be belt pulley or sprocket wheel, by sprocket wheel or belt pulley by the running shaft 5 of the rotation transmission charging and discharging valve of motor, thus solid of rotation is rotated.Other driving mode can be realized by motor, speed reducer and transmission shaft, and these driving mode are prior art, do not elaborate at this.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (15)
1. blow-off valve, is characterized in that, this blow-off valve comprises:
Valve body (3), this valve body (3) is formed as the cylindrical shape of horizontal positioned, the horizontal closed at both ends of this cylindrical body, and this cylindrical body top and bottom are respectively arranged with material feeding mouth (31) and discharge port (32);
Solid of rotation, this solid of rotation comprises the running shaft (5) being provided with multiple blade (4), described running shaft (5) and described cylindrical body coaxially arrange and run through described valve body (3) rotationally, and described blade (4) is positioned at described cylindrical body; With
First coolant path (6), this first coolant path (6) comprises the first entrance (61), the first outlet (62) and the first cooling channel (63) being connected this first entrance (61) and the first outlet (62), described first entrance (61) is arranged at one end of described running shaft (5), described first outlet (62) is arranged at the other end of described running shaft (5), and described first cooling channel (63) is distributed in described blade (4).
2. blow-off valve according to claim 1, is characterized in that, described first cooling channel (63) is uniformly distributed in each described blade (4).
3. blow-off valve according to claim 2, is characterized in that, described first cooling channel (63) extends along described running shaft (5) radial direction reciprocating and turning-back in each described blade.
4. blow-off valve according to claim 2, it is characterized in that, described first cooling channel (63) comprises contiguous described first entrance at each described blade and the inflow tube (631) extended along described running shaft (5) radial direction, contiguous described first outlet and the effluent conduit (632) extended along described running shaft (5) radial direction and the Duo Tiao Transverse that is communicated between described inflow tube and effluent conduit to pipeline (633), described inflow tube is communicated with the first entrance, described effluent conduit and described first outlet.
5. blow-off valve according to claim 2, is characterized in that, described first cooling channel (63) extends along the axial direction reciprocating and turning-back of described running shaft (5) in each described blade (4).
6. blow-off valve according to claim 2, it is characterized in that, described first coolant path (6) also comprises the running shaft cooling channel (64) be arranged in described running shaft (5), and the two ends of this running shaft cooling channel (64) connect described first entrance (61) and the first outlet (62) respectively.
7. blow-off valve according to claim 6, is characterized in that, the actual internal area of described running shaft cooling channel (64) is less than the actual internal area of single described first cooling channel (63).
8. blow-off valve according to claim 2, is characterized in that, each described blade (4) is assembled by multiple blade assembly or welding forms.
9. blow-off valve according to claim 2, is characterized in that, described blade (4) is uniformly distributed along the circumference of described running shaft (5).
10. blow-off valve according to claim 2, is characterized in that, the external margin of described blade (4) is 0.15mm to 0.3mm apart from the distance of the inwall of described cylindrical body.
11. according to the blow-off valve in claim 1-10 described in any one, it is characterized in that, described blow-off valve also comprises the second coolant path (7), described second coolant path (7) comprises the second entrance (71), the second outlet (72) and the second cooling channel (73) being connected this second entrance (71) and the second outlet (72), described second entrance (71) and the second outlet (72) are all arranged on the wall of described valve body (3), and described second cooling channel is arranged in the wall of described valve body (3).
12. blow-off valves according to claim 10, is characterized in that, described second entrance (71) and the second outlet (72) lay respectively at top and the bottom of the wall of described valve body (3).
13. blow-off valves according to claim 10, is characterized in that, described second cooling channel (73) is uniformly distributed in the wall of described valve body (3).
14. blow-off valves according to claim 10, it is characterized in that, described blow-off valve also comprises pump and cooling liquid container, and this cooling liquid container is communicated in described first entrance and the second entrance by described pump, and described first outlet and the second outlet are communicated in described cooling liquid container respectively.
15. blow-off valves according to claim 14, it is characterized in that, described first coolant path (6) be connected the described pump of this first coolant path (6) and cooling liquid container and described second coolant path (7) and the described pump and the separate setting of cooling liquid container that are connected this second coolant path (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427717.4A CN105370896B (en) | 2014-08-27 | 2014-08-27 | Blow-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427717.4A CN105370896B (en) | 2014-08-27 | 2014-08-27 | Blow-off valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105370896A true CN105370896A (en) | 2016-03-02 |
| CN105370896B CN105370896B (en) | 2018-04-13 |
Family
ID=55373358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410427717.4A Active CN105370896B (en) | 2014-08-27 | 2014-08-27 | Blow-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105370896B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205195A (en) * | 2017-06-30 | 2019-01-15 | 藤原酿造机械株式会社 | The Control Thermal Deformation structure of vertical revolving valve and the Control Thermal Deformation method of vertical revolving valve |
| CN109531925A (en) * | 2018-12-21 | 2019-03-29 | 天津德厚电子有限公司 | A kind of closed injection molding machine |
| CN112303246A (en) * | 2020-09-08 | 2021-02-02 | 中国核电工程有限公司 | Discharging device capable of being remotely dismounted |
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| CN101786542A (en) * | 2010-01-15 | 2010-07-28 | 张圣东 | water-cooling roller tooth-type conveying mechanism |
| CN202140679U (en) * | 2011-06-23 | 2012-02-08 | 江苏中兴药业有限公司 | Discharge valve |
| CN202848563U (en) * | 2012-08-23 | 2013-04-03 | 扬州博力机电设备有限公司 | High temperature resistance water-cooled type rotary discharging valve |
| CN203323471U (en) * | 2013-06-13 | 2013-12-04 | 李东国 | Material temperature lowering device |
| CN204153170U (en) * | 2014-08-27 | 2015-02-11 | 神华集团有限责任公司 | Blow-off valve |
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| JPS5752466Y2 (en) * | 1977-04-27 | 1982-11-15 | ||
| CN2573449Y (en) * | 2002-10-06 | 2003-09-17 | 刘炳申 | Rotary discharge valve |
| CN101786542A (en) * | 2010-01-15 | 2010-07-28 | 张圣东 | water-cooling roller tooth-type conveying mechanism |
| CN202140679U (en) * | 2011-06-23 | 2012-02-08 | 江苏中兴药业有限公司 | Discharge valve |
| CN202848563U (en) * | 2012-08-23 | 2013-04-03 | 扬州博力机电设备有限公司 | High temperature resistance water-cooled type rotary discharging valve |
| CN203323471U (en) * | 2013-06-13 | 2013-12-04 | 李东国 | Material temperature lowering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109205195A (en) * | 2017-06-30 | 2019-01-15 | 藤原酿造机械株式会社 | The Control Thermal Deformation structure of vertical revolving valve and the Control Thermal Deformation method of vertical revolving valve |
| CN109531925A (en) * | 2018-12-21 | 2019-03-29 | 天津德厚电子有限公司 | A kind of closed injection molding machine |
| CN112303246A (en) * | 2020-09-08 | 2021-02-02 | 中国核电工程有限公司 | Discharging device capable of being remotely dismounted |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105370896B (en) | 2018-04-13 |
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