CN204533722U - A kind of pressure antiwear slag-discharging valve door - Google Patents
A kind of pressure antiwear slag-discharging valve door Download PDFInfo
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- CN204533722U CN204533722U CN201520022743.9U CN201520022743U CN204533722U CN 204533722 U CN204533722 U CN 204533722U CN 201520022743 U CN201520022743 U CN 201520022743U CN 204533722 U CN204533722 U CN 204533722U
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Abstract
The utility model discloses a kind of pressure antiwear slag-discharging valve door in gate valve field, comprise main valve body shell, valve gap, valve rod, handwheel, support, guillotine mechanism, the entry end of main valve body shell is provided with the left valve barrel shell be connected with main valve body shell, and the inner chamber of left valve barrel shell is fitted with left lining; The outlet end of main valve body shell is connected with right valve barrel shell, and the inner chamber of right valve barrel shell is fitted with right lining, and the bottom of right lining inner chamber is provided with streamlined ramp portion, mild portion from inside to outside successively; Guillotine mechanism comprises the main gate-board be directly connected with the lower end of valve rod, the baffle plate be connected with main gate-board by fastening piece, and baffle-panels is towards entry end and can seal the right-hand member of left lining, and the central axis of left lining is in baffle plate; The intracavity bottom of main valve body shell is pasted with and protects chamber plate, protects the lower edge of chamber plate near right lining, protects chamber plate and also upwards extends and be sleeved in the right-hand member outer rim of left lining.The utility model is easy to use, is easy to deslagging, long service life.
Description
Technical field
The utility model relates to a kind of gate valve, particularly a kind of pressure antiwear slag-discharging valve door.
Background technique
It is severe that Scum Gate Valves is used in the operating mode such as mineral industry, thermal power plant in a large number, and need the occasion getting rid of hard disintegrating slag, chemical substance.Just because of Environmental Conditions is relatively more severe, Scum Gate Valves belongs to rapid wear attrition component, and in current industry, a large amount of Scum Gate Valves used is general shorter for working life.In order to increase the service life, a utility model patent is disclosed in prior art, application number is 201120017536.6, title is a kind of wear-resisting residue-removing gate valve, comprise valve body, valve gap, valve rod, support and flashboard, described valve body comprises main valve body and is connected to the left valve barrel on the left of main valve body on port, described flashboard is connected to valve rod lower end and suitable with the valve seat on described main valve body, described valve gap is connected to described upper part of the main valve body, it is characterized in that: described main valve body comprises main valve body cast steel shell and the wear-resisting cast steel with high chromium liner of main valve body, described main valve body wear-resisting cast steel with high chromium liner is fitted in the inwall of described main valve body cast steel shell, described left valve barrel comprises left valve barrel cast steel shell and the wear-resisting cast steel with high chromium liner of left valve barrel, and described left valve barrel wear-resisting cast steel with high chromium liner is fitted in the inwall of described left valve barrel cast steel shell.
Although the bearing capacity of prior art and abrasive resistance get a promotion, but still there is following problem: 1, because main gate-board is directly connected with the lower end of valve rod, and face entry end, the very large alternating shock load be subject in actual use, very easily impaired, need during replacing whole guillotine mechanism changed maintenance or change main gate-board, cause the trouble of field maintenance; 2, be positioned at the easy accumulated slag of respective chamber below flashboard, particularly need flashboard to be in the easier accumulated slag of occasion of semi-closed state, once the more meeting of accumulated slag causes flashboard can not be completely closed, impact uses.
Model utility content
The purpose of this utility model is to provide a kind of pressure antiwear slag-discharging valve door, and advantage is to be easy to deslagging, and working life is longer.
The purpose of this utility model is achieved in that a kind of pressure antiwear slag-discharging valve door, comprise main valve body shell, valve gap, valve rod, handwheel, support, the guillotine mechanism equipped with valve stem top, described guillotine mechanism is fixed in the lower end of described valve rod and suitable with the inner chamber of main valve body shell, described valve gap is arranged on the top of main valve body shell, the entry end of described main valve body shell is provided with the cylindric left valve barrel shell be connected with main valve body shell, and the inner chamber of described left valve barrel shell is fitted with the left lining of the cylindrical shape be made up of extraordinary high-wear-resistant alloy; The outlet end of described main valve body shell is connected with right valve barrel shell, and the inner chamber of described right valve barrel shell is fitted with the right lining be made up of extraordinary high-wear-resistant alloy, and the bottom of described right lining inner chamber is provided with streamlined ramp portion, mild portion from inside to outside successively; Described guillotine mechanism comprises the main gate-board be directly connected with the lower end of valve rod, the baffle plate be connected with main gate-board by fastening piece, the material of described baffle plate is extraordinary high-wear-resistant alloy, described baffle-panels is towards entry end and can seal the right-hand member of left lining under full-shut position, and the central axis of described left lining is in baffle plate; The intracavity bottom of described main valve body shell is pasted with and protects chamber plate, described in protect chamber plate be extraordinary high-wear-resistant alloy, described in protect the lower edge of chamber plate near right lining, described in protect chamber plate and also upwards extend and be sleeved in the right-hand member outer rim of left lining.
Compared with prior art, the beneficial effects of the utility model are: can directly pull down from main gate-board once baffle plate is impaired, I&M is very convenient; Inner chamber due to main valve body shell is pasted with and protects chamber plate, can prevent waste residue from clashing into the inner chamber damaging main valve body shell; Bottom due to right lining inner chamber is provided with streamlined ramp portion and mild portion, can reduce resistance, can promote the velocity of discharge of waste residue or chemical substance, and waste residue is not easily piled up, and can not damage right lining inner chamber; Overall structure arranges rationally, and working life is very long.
As preferred version of the present utility model, the axial length of described right valve barrel shell is greater than the axial length of left valve barrel shell.Make expense slag can not produce obvious vortex phenomenon through left valve barrel shell, adopt the program can effectively protect left valve barrel shell from the impact of eddy current, further ensure working life.
As further preferred version of the present utility model, size in described streamlined ramp portion substantially horizontal is greater than the axial length in mild portion, grit or chemical substance can be made through right lining, accumulated slag phenomenon can not be produced, the velocity of discharge of further raising grit or chemical substance, and vortex phenomenon can not be produced in right lining.
As further preferred version of the present utility model, the one side that described main gate-board faces outlet end is wedge-shaped structure, and fits with the left end of right lining under full-shut position, mainly in order to strengthen overall construction intensity.
As further preferred version of the present utility model, described right valve barrel shell is fixed by screws on main valve body shell.Because right lining is with streamlined ramp portion and mild portion, form structure more complicated, during attachment, need the convenience considering installation; Right lining can be first loaded during installation, then right valve barrel shell is set with, with screw, right valve barrel shell is fixedly connected on main valve body shell, install easily, and right lining can not be damaged, if right lining is impaired when using, right valve barrel shell can be pulled down and change right lining, having and well exchange performance.
As further preferred version of the present utility model, described left lining, right lining are fitted in the inner chamber of left valve barrel shell, right valve barrel shell respectively by high-viscosity glue, and the outer surface of described left lining and right lining is equipped with glue filling trough.In the process of installing left lining and right lining, glue is first coated in glue filling trough, make left lining, right lining in laminating process, equably glue be spread upon the inner chamber of left valve barrel shell, right valve barrel shell, in case local affecting laminating quality because smearing less than glue, causing left lining, right lining in use departs from left valve barrel shell, the inner chamber of right valve barrel shell.
Accompanying drawing explanation
Fig. 1 is full-shut position figure of the present utility model.
Fig. 2 is semi-closure phase diagram of the present utility model.
In figure: 1 main gate-board, 2 baffle plates, 3 fastening pieces, 4 left valve barrel shells, 5 left linings, 6 right valve barrel shells, 7 right linings, 7a streamlined ramp portion, the mild portion of 7b, 8 screws, 9 protect chamber plate, 10 main valve body shells, 11 valve gaps, 12 supports, 13 handwheels, 14 valve rods, 15 glue filling troughs.
Embodiment
As shown in Figure 1-2, a kind of pressure antiwear slag-discharging valve door, comprise main valve body shell 10, valve gap 11, valve rod 14, handwheel 13, support 12, the guillotine mechanism equipped with valve rod 14 top, guillotine mechanism is fixed in the lower end of valve rod 14 and suitable with the inner chamber of main valve body shell 10, valve gap 11 is arranged on the top of main valve body shell 10, the entry end of main valve body shell 10 is provided with the cylindric left valve barrel shell 4 be connected with main valve body shell 10, and the inner chamber of left valve barrel shell 4 is fitted with the left lining 5 of the cylindrical shape be made up of extraordinary high-wear-resistant alloy; The outlet end of main valve body shell 10 is connected with right valve barrel shell 6, and the inner chamber of right valve barrel shell 6 is fitted with the right lining 7 be made up of extraordinary high-wear-resistant alloy, and the bottom of right lining 7 inner chamber is provided with streamlined ramp portion 7a, mild portion 7b from inside to outside successively; Guillotine mechanism comprises the main gate-board 1 be directly connected with the lower end of valve rod 14, the baffle plate 2 be connected with main gate-board 1 by fastening piece 3, the material of baffle plate 2 is extraordinary high-wear-resistant alloy, baffle plate 2 faces entry end and can seal the right-hand member of left lining 5 under full-shut position, and the central axis of left lining 5 is in baffle plate 2; The intracavity bottom of main valve body shell 10 is pasted with and protects chamber plate 9, protects chamber plate 9 for extraordinary high-wear-resistant alloy, protects the lower edge of chamber plate 9 near right lining 7, protect chamber plate 9 and also upwards extend and be sleeved in the right-hand member outer rim of left lining 5.
The axial length of above-mentioned right valve barrel shell 6 is greater than the axial length of left valve barrel shell 4, makes expense slag can not produce obvious vortex phenomenon when through left valve barrel shell 4, can effectively protect left valve barrel shell 4 from the impact of eddy current.
Size in the portion 7a substantially horizontal of above-mentioned streamlined ramp is greater than the axial length of mild portion 7b, the resistance to motion of further reduction grit or chemical substance, the velocity of discharge of grit or chemical substance can be increased further, turbulent phenomenon can not occur, prevent the generation of accumulated slag phenomenon.
The one side that above-mentioned main gate-board 1 faces outlet end is wedge-shaped structure, and fits, mainly in order to strengthen overall construction intensity with the left end of right lining 7 under full-shut position.
Above-mentioned right valve barrel shell 6 is fixed on main valve body shell 10 by screw 8, and the mode of removably connecting is beneficial to the maintenance in later stage.Right lining 7 first can be loaded during installation, then right valve barrel shell 6 is set with, with screw 8, right valve barrel shell 6 is fixedly connected on main valve body shell 10, install easily, and right lining 7 can not be damaged, if right lining 7 is impaired when using, right valve barrel shell 6 can be pulled down and change right lining 7, having and well exchange performance.
Above-mentioned left lining 5, right lining 7 are fitted in the inner chamber of left valve barrel shell 4, right valve barrel shell 6 respectively by high-viscosity glue, and left lining 5 is equipped with glue filling trough 15 with the outer surface of right lining 7.In case local affects laminating quality because smearing less than glue, left lining 5, right lining 7 is caused in use to depart from the inner chamber of left valve barrel shell 4, right valve barrel shell 6.
The utility model is not limited to above-described embodiment; on the basis of technological scheme disclosed in the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristicss wherein to replace and distortion, these are replaced and are out of shape all in protection domain of the present utility model.
Claims (6)
1. a pressure antiwear slag-discharging valve door, comprise main valve body shell, valve gap, valve rod, handwheel, support, the guillotine mechanism equipped with valve stem top, described guillotine mechanism is fixed in the lower end of described valve rod and suitable with the inner chamber of main valve body shell, described valve gap is arranged on the top of main valve body shell, it is characterized in that:
The entry end of described main valve body shell is provided with the cylindric left valve barrel shell be connected with main valve body shell, and the inner chamber of described left valve barrel shell is fitted with the left lining of the cylindrical shape be made up of extraordinary high-wear-resistant alloy;
The outlet end of described main valve body shell is connected with right valve barrel shell, and the inner chamber of described right valve barrel shell is fitted with the right lining be made up of extraordinary high-wear-resistant alloy, and the bottom of described right lining inner chamber is provided with streamlined ramp portion, mild portion from inside to outside successively;
Described guillotine mechanism comprises the main gate-board be directly connected with the lower end of valve rod, the baffle plate be connected with main gate-board by fastening piece, the material of described baffle plate is extraordinary high-wear-resistant alloy, described baffle-panels is towards entry end and can seal the right-hand member of left lining under full-shut position, and the central axis of described left lining is in baffle plate;
The intracavity bottom of described main valve body shell is pasted with and protects chamber plate, described in protect chamber plate be extraordinary high-wear-resistant alloy, described in protect the lower edge of chamber plate near right lining, described in protect chamber plate and also upwards extend and be sleeved in the right-hand member outer rim of left lining.
2. a kind of pressure antiwear slag-discharging valve door according to claim 1, is characterized in that: the axial length of described right valve barrel shell is greater than the axial length of left valve barrel shell.
3. a kind of pressure antiwear slag-discharging valve door according to claim 1, is characterized in that: the size in described streamlined ramp portion substantially horizontal is greater than the axial length in mild portion.
4. a kind of pressure antiwear slag-discharging valve door according to claim 1, is characterized in that: the one side that described main gate-board faces outlet end is wedge-shaped structure, and fits with the left end of right lining under full-shut position.
5. a kind of pressure antiwear slag-discharging valve door according to claim 1, is characterized in that: described right valve barrel shell is fixed by screws on main valve body shell.
6. a kind of pressure antiwear slag-discharging valve door according to claim 1, it is characterized in that: described left lining, right lining are fitted in the inner chamber of left valve barrel shell, right valve barrel shell respectively by high-viscosity glue, the outer surface of described left lining and right lining is equipped with glue filling trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022743.9U CN204533722U (en) | 2015-01-14 | 2015-01-14 | A kind of pressure antiwear slag-discharging valve door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022743.9U CN204533722U (en) | 2015-01-14 | 2015-01-14 | A kind of pressure antiwear slag-discharging valve door |
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| CN204533722U true CN204533722U (en) | 2015-08-05 |
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| CN201520022743.9U Active CN204533722U (en) | 2015-01-14 | 2015-01-14 | A kind of pressure antiwear slag-discharging valve door |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023701A (en) * | 2017-05-26 | 2017-08-08 | 敖汝龙 | A kind of wear-resistant knife gate valve |
| CN107620805A (en) * | 2017-11-06 | 2018-01-23 | 扬州鸿伟机械有限公司 | A kind of wearable slag discharging valve |
| CN107701778A (en) * | 2017-11-06 | 2018-02-16 | 扬州鸿伟机械有限公司 | Anti-blocking pressure antiwear slag-discharging valve |
| CN110094531A (en) * | 2019-06-10 | 2019-08-06 | 四川龙麟科创节能环保科技股份有限公司 | One kind squeezing the anti-sticking slag heat-insulating type high-temperature ash valve of row |
-
2015
- 2015-01-14 CN CN201520022743.9U patent/CN204533722U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023701A (en) * | 2017-05-26 | 2017-08-08 | 敖汝龙 | A kind of wear-resistant knife gate valve |
| CN107620805A (en) * | 2017-11-06 | 2018-01-23 | 扬州鸿伟机械有限公司 | A kind of wearable slag discharging valve |
| CN107701778A (en) * | 2017-11-06 | 2018-02-16 | 扬州鸿伟机械有限公司 | Anti-blocking pressure antiwear slag-discharging valve |
| CN110094531A (en) * | 2019-06-10 | 2019-08-06 | 四川龙麟科创节能环保科技股份有限公司 | One kind squeezing the anti-sticking slag heat-insulating type high-temperature ash valve of row |
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