CN211039689U - Improved low-pressure slurry valve structure - Google Patents
Improved low-pressure slurry valve structure Download PDFInfo
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- CN211039689U CN211039689U CN201921268683.3U CN201921268683U CN211039689U CN 211039689 U CN211039689 U CN 211039689U CN 201921268683 U CN201921268683 U CN 201921268683U CN 211039689 U CN211039689 U CN 211039689U
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Abstract
The utility model discloses an improved generation low pressure ground paste valve structure, include: the valve comprises a driving part, a connecting part, an upper valve body, a lower valve body, a valve rod and a valve clack positioned in the upper valve body; the top of the valve rod is connected with the driving part, and the bottom of the valve rod is arranged in the upper valve body and is connected with the valve clack; the top of the upper valve body is sleeved on the outer side of the valve rod; a stuffing box is filled between the inner wall of the top of the upper valve body and the outer wall of the valve rod, a stuffing box pressing sleeve is arranged at the top of the stuffing box, and the bottom of the stuffing box pressing sleeve is arranged between the upper valve body and the valve rod; one end of the connecting part is connected with the top end of the upper valve body, and the other end of the connecting part is connected with the driving part; the upper end of the lower valve body is connected with the bottom of the upper valve body. The utility model provides a low pressure ground paste valve structure leakproofness, security are good.
Description
Technical Field
The utility model relates to the technical field of valves, more specifically the utility model relates to an improved generation low pressure ground paste valve structure that says so.
Background
The main production processes of alumina include bayer process, sintering process and combination process. In the production process of the alumina, the valve is a control element and mainly has the functions of isolating equipment and a pipeline system, regulating flow, preventing backflow, regulating and discharging pressure and the like.
Currently, low pressure slurry valves are widely used in the production of alumina. The joint of the upper valve body and the valve cover of the existing low-pressure slurry valve is sealed by the flexible graphite composite gasket, and in the practical use, the flexible graphite composite gasket is easy to lose efficacy after being used for a long time, so that the joint of the upper valve body and the valve cover is leaked, and the production process of aluminum oxide is influenced.
Therefore, the research on a low-pressure slurry valve structure with good sealing performance is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an improved low pressure slurry valve structure comprising: the valve comprises a driving part, a connecting part, an upper valve body, a lower valve body, a valve rod and a valve clack positioned in the upper valve body;
the top of the valve rod is connected with the driving part, and the bottom of the valve rod is arranged in the upper valve body and is connected with the valve clack;
the top of the upper valve body is sleeved on the outer side of the valve rod; a stuffing box is filled between the inner wall of the top of the upper valve body and the outer wall of the valve rod, a stuffing box pressing sleeve is arranged at the top of the stuffing box, and the bottom of the stuffing box pressing sleeve is arranged between the upper valve body and the valve rod;
one end of the connecting part is connected with the top end of the upper valve body, and the other end of the connecting part is connected with the driving part;
the upper end of the lower valve body is connected with the bottom of the upper valve body.
Adopt above-mentioned technical scheme's beneficial effect is, the utility model discloses well upper valve body top passes through packing box sealing connection with the valve rod, can prevent that the medium from leaking between upper valve body and the valve rod to be connected through connecting portion and driver part, avoided upper valve body and driver part lug connection, also avoided upper valve body and the existence of driver part junction leak point, make the holistic leakproofness of low pressure ground paste valve better, prevent to take place to leak in the use, the security is better.
Preferably, the side wall of the upper valve body is provided with a liquid outlet pipe, and the joint of the top of the liquid outlet pipe and the side wall of the upper valve body is a smooth arc surface.
Preferably, the side wall of the upper valve body is inclined upwards towards the valve rod from the joint of the side wall of the upper valve body and the top of the liquid outlet pipe.
Preferably, the included angle between the side wall of the upper valve body and the joint of the top of the liquid outlet pipe is 115-125 degrees. When a medium passes through the upper valve body, a vortex is easily formed at the position of the upper valve body and the liquid outlet pipe, the connecting position of the side wall of the upper valve body and the liquid outlet pipe is arranged in such a way so as to avoid the generation of the vortex, and further avoid the scouring damage to the inner wall of the connecting position of the upper valve body and the liquid outlet pipe, and play a role in protecting the inner wall of the upper valve body and the liquid outlet pipe.
Preferably, the connecting part is a connecting rod, and two ends of the connecting rod are respectively connected with the top of the upper valve body and the driving part. The upper valve body can be conveniently connected with the driving part through the connecting rod.
Preferably, the connecting portion is a bracket, and the bracket includes: the support comprises a support rod and connecting rings arranged at two ends of the support rod, the connecting rings at the bottom of the support are connected with the upper valve body, and the connecting rings at the top of the support are connected with the driving part.
Preferably, the end face of the top end of the upper valve body is provided with a downward-recessed annular step, and the connecting ring at the bottom of the support is arranged on the annular step and connected with the upper valve body. The arrangement of the annular step on the upper valve body facilitates the connection of the support and the upper valve body, and further facilitates the connection of the upper valve body and the driving part.
Can know via foretell technical scheme, compare with prior art, the utility model discloses an improved generation low pressure ground paste valve structure is provided, its beneficial effect is:
(1) the middle and upper valve body of the utility model is connected with the valve rod in a sealing way, and the top of the upper valve body is connected with the driving part through the connecting part, thus avoiding the leakage point at the connecting part of the upper valve body and the driving part and leading the whole sealing property and safety of the low-pressure slurry valve to be better;
(2) when a medium passes through the upper valve body, a vortex is easily formed at the upper valve body and the liquid outlet pipe, the side wall of the upper valve body is inclined from the joint of the top of the liquid outlet pipe, the generation of the vortex can be avoided, the scouring damage to the inner wall of the joint of the upper valve body and the liquid outlet pipe is avoided, and the inner wall of the upper valve body and the inner wall of the liquid outlet pipe are protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a low-pressure material slurry valve before improvement provided by the present invention;
fig. 2 is a schematic structural diagram of a low-pressure material slurry valve in example 1 according to the present invention;
fig. 3 is a schematic structural diagram of a low-pressure slurry valve according to an embodiment 2 of the present invention.
Wherein, in the figure,
1-a drive member;
2-an upper valve body;
21-a liquid outlet pipe; 22-arc surface; 23-an annular step;
3-a lower valve body; 4-a valve stem; 5-valve clack; 6-stuffing box; 7-packing and pressing; 8-a connecting rod;
9-a scaffold;
91-supporting rods; 92-a connecting ring;
10-a packing press plate; 11-connecting disc.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1:
the embodiment of the utility model discloses improved generation low pressure ground paste valve structure, include: the valve comprises a driving part 1, a connecting part, an upper valve body 2, a lower valve body 3, a valve rod 4 and a valve clack 5 positioned in the upper valve body 2; the top of the valve rod 4 is connected with the driving part 1, and the bottom of the valve rod is arranged in the upper valve body 2 and is connected with the valve clack 5; the top of the upper valve body 2 is sleeved on the outer side of the valve rod 4; a stuffing box 6 is filled between the inner wall of the top of the upper valve body 2 and the outer wall of the valve rod 4, a stuffing box pressing sleeve 7 is arranged at the top of the stuffing box 6, and the bottom of the stuffing box pressing sleeve 7 is arranged between the upper valve body 2 and the valve rod 4; one end of the connecting part is connected with the top end of the upper valve body 2, and the other end is connected with the driving part 1; the upper end 3 of the lower valve body is connected with the bottom of the upper valve body 2. The top of the stuffing box pressing sleeve 7 is connected with a stuffing pressing plate 10, and the stuffing pressing plate 10 is connected with the top end of the upper valve body 2 through a bolt. The packing pressing plate 10 is connected with the upper valve body 2, so that the packing box pressing sleeve 7 and the packing box 6 can be tightly pressed, the upper valve body 2 and the valve rod 4 are better sealed through the packing box 6, and leakage points are avoided. The lower valve body 3 is provided with a liquid inlet pipe, and a medium enters from the liquid inlet pipe and then flows out from the liquid outlet pipe 21. The top of the upper valve body 2 is connected with the driving part through a connecting disc 11, one side of the connecting disc 11 is connected with the connecting part, and the other side is connected with the driving part 1. The utility model belongs to a low pressure ground paste valve of no valve gap, wherein connecting portion are equivalent to the valve gap structure.
In order to further optimize the above technical solution, as shown in fig. 2-3, a liquid outlet pipe 21 is disposed on a side wall of the upper valve body 2, and a joint between a top of the liquid outlet pipe 21 and the side wall of the upper valve body 2 is a smooth arc surface 22.
In order to further optimize the technical scheme, the side wall of the upper valve body 2 is inclined upwards towards the valve rod 4 from the joint of the side wall and the top of the liquid outlet pipe 21.
In order to further optimize the technical scheme, the included angle between the side wall of the upper valve body 2 and the joint of the top of the liquid outlet pipe 21 is 115-125 degrees, and the arrangement can effectively prevent the side wall of the upper valve body 2 from generating vortex at the joint of the side wall of the upper valve body and the top of the liquid outlet pipe 21, so that the vortex is prevented from being washed.
In order to further optimize the above technical solution, as shown in fig. 2, the connection part is a connection rod 8, and both ends of the connection rod 8 are respectively in threaded connection with the top of the upper valve body 2 and the connection disc 11.
Example 2:
as shown in fig. 3, the connecting portion is a bracket 9, and the bracket 9 includes: a support rod 91 and annular connecting rings 92 arranged at two ends of the support rod 91, wherein the connecting ring 92 at the bottom of the support 9 is connected with the upper valve body 2, and the connecting ring 92 at the top is connected with the connecting disc 11.
In order to further optimize the technical scheme, the end face of the top end of the upper valve body 2 is provided with a downward concave annular step 23, and a connecting ring 92 at the bottom of the support 9 is placed on the annular step 23 and connected with the upper valve body 2. The annular step 23 is arranged on the periphery of the upper end face of the upper valve body 2, so that the annular step 23 is prevented from being connected with the upper valve body and the valve rod 4 in a sealing mode through the stuffing box 6. And the packing press plate 10 is connected with a bottom connecting ring 92 of the bracket 9 through bolts and nuts, and the bottom connecting ring 92 is connected with the upper valve body 2, so that the upper valve body 2 is indirectly connected with the packing press plate 10.
Other contents in embodiment 2 are the same as those in embodiment 1, and are not described in detail here.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. An improved low pressure slurry valve construction comprising: the valve comprises a driving part (1), a connecting part, an upper valve body (2), a lower valve body (3), a valve rod (4) and a valve clack (5) positioned in the upper valve body;
the top of the valve rod (4) is connected with the driving part (1), and the bottom of the valve rod is arranged in the upper valve body (2) and is connected with the valve clack (5);
the top of the upper valve body (2) is sleeved on the outer side of the valve rod (4); a stuffing box (6) is filled between the inner wall of the top of the upper valve body (2) and the outer wall of the valve rod (4), a stuffing box pressing sleeve (7) is arranged at the top of the stuffing box (6), and the bottom of the stuffing box pressing sleeve (7) is arranged between the upper valve body (2) and the valve rod (4);
one end of the connecting part is connected with the top end of the upper valve body (2), and the other end of the connecting part is connected with the driving part (1);
the upper end of the lower valve body (3) is connected with the bottom of the upper valve body (2).
2. An improved low-pressure slurry valve structure according to claim 1, wherein a liquid outlet pipe (21) is arranged on the side wall of said upper valve body (2), and the junction between the top of said liquid outlet pipe (21) and the side wall of said upper valve body (2) is a smooth arc surface (22).
3. An improved low pressure slurry valve structure according to claim 2, wherein said upper valve body (2) side wall slopes upward from the junction with the top of said outlet pipe (21) toward said valve stem (4).
4. An improved low pressure slurry valve structure as claimed in claim 2 or 3, wherein the side wall of said upper valve body (2) is at an angle of 115 ° to 125 ° to the top of said outlet pipe (21).
5. An improved low-pressure slurry valve structure according to claim 1, wherein said connecting portion is a connecting rod (8), and both ends of said connecting rod (8) are respectively connected with the top of said upper valve body (2) and said driving part (1).
6. An improved low pressure slurry valve configuration according to claim 1, wherein said connecting portion is a bracket (9), said bracket (9) comprising: the support comprises a support rod (91) and connecting rings (92) arranged at two ends of the support rod (91), the connecting ring (92) at the bottom of the support (9) is connected with the upper valve body (2), and the connecting ring (92) at the top is connected with the driving component (1).
7. An improved structure of low-pressure slurry valve according to claim 6, characterized in that the end surface of the top end of the upper valve body (2) is provided with a downward-concave annular step (23), and the connecting ring (92) at the bottom of the bracket (9) is placed on the annular step (23) and connected with the upper valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268683.3U CN211039689U (en) | 2019-08-07 | 2019-08-07 | Improved low-pressure slurry valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268683.3U CN211039689U (en) | 2019-08-07 | 2019-08-07 | Improved low-pressure slurry valve structure |
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| Publication Number | Publication Date |
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| CN211039689U true CN211039689U (en) | 2020-07-17 |
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| CN201921268683.3U Active CN211039689U (en) | 2019-08-07 | 2019-08-07 | Improved low-pressure slurry valve structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360321A (en) * | 2019-08-07 | 2019-10-22 | 浙江高中压阀门有限公司 | A kind of modified low pressure slurry valve arrangement |
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2019
- 2019-08-07 CN CN201921268683.3U patent/CN211039689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360321A (en) * | 2019-08-07 | 2019-10-22 | 浙江高中压阀门有限公司 | A kind of modified low pressure slurry valve arrangement |
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