CN107504229A - A kind of thermal power plant's check-valves - Google Patents
A kind of thermal power plant's check-valves Download PDFInfo
- Publication number
- CN107504229A CN107504229A CN201710905130.3A CN201710905130A CN107504229A CN 107504229 A CN107504229 A CN 107504229A CN 201710905130 A CN201710905130 A CN 201710905130A CN 107504229 A CN107504229 A CN 107504229A
- Authority
- CN
- China
- Prior art keywords
- check
- plate
- fixedly connected
- check plate
- power plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
Abstract
The invention discloses a kind of thermal power plant's check-valves, including upper cover plate, the upper cover plate is fixedly connected by bolt with upper pipeline, the inside of the upper pipeline is fixedly connected with division board, the lower surface of the division board is connected with connecting plate, the bottom of the connecting plate is fixedly connected with check plate, the check plate includes housing, the inside of the housing is fixedly connected with stop cloth, the side of the check plate is provided with drain pipe, the one end of the drain pipe away from check plate is fixedly connected with the first side pipe, one side of the check plate away from the first side pipe is provided with the second side pipe.Thermal power plant's check-valves, change traditional check valve design, check plate is arranged on middle part close to one end of outlet, non-return effect can be played, set small-bore drain pipe preferably can be covered by check plate, improve non-return sealing effectiveness, reduce liquid leakage, cut-off equipment can just dam before check plate to liquid, reduce the pressure of check plate.
Description
Technical field
The present invention relates to safety control technology field, specially a kind of thermal power plant's check-valves.
Background technology
Check-valves is also known as check valve or non-return valve, and its effect is to prevent the medium in pipeline from flowing backwards.The bottom that pump sump closes
Valve falls within check-valves class.Opening and closing element is voluntarily turned on and off by media flow and strength, with prevent the valve that medium flows backwards
Check-valves.Check-valves belongs to automatic valve class, is mainly used on the pipeline of medium one-way flow, only allows medium to be flowed to a direction
It is dynamic, to try to avert accidents.Check-valves (Check Valve):Divided by structure, lift check valve can be divided into, swing type stops
Return three kinds of valve and butterfly swing check valve.Lift check valve can be divided into vertical and two kinds of through type.Swing check valve is divided into single-lobe
Three kinds of formula, Double-disc type and multi-clove type.Butterfly swing check valve is butterfly bivalve and butterfly single-lobe, and several check-valves of the above are in type of attachment
On can be divided into threaded connection, flange connection, welding four kinds are connected with wafer type.
Thermal power plant is with the non-return effect of check-valves is poor, liquid easily leaks, sealing effectiveness is relatively low and check plate is held at present
It is stressed larger.
The content of the invention
(1) technical problem solved
In view of the shortcomings of the prior art, the invention provides a kind of thermal power plant's check-valves, possess improve non-return sealing effectiveness,
The advantages that reducing liquid leakage, improve non-return effect and reducing the pressure of check plate, solves that non-return effect is poor, liquid is easy
Leakage, sealing effectiveness is relatively low and check plate bears the problem of pressure is larger.
(2) technical scheme
To realize above-mentioned raising non-return sealing effectiveness, reducing liquid leakage, improve non-return effect and reduce the pressure of check plate
Purpose, the present invention provides following technical scheme:A kind of thermal power plant's check-valves, including upper cover plate, the upper cover plate pass through spiral shell
Bolt is fixedly connected with upper pipeline, and the inside of the upper pipeline is fixedly connected with division board, and the lower surface activity of the division board is even
Connecting plate is connected to, the bottom of the connecting plate is fixedly connected with check plate, and the check plate includes housing, the inside of the housing
Stop cloth is fixedly connected with, the side of the check plate is provided with drain pipe, and the one end of the drain pipe away from check plate is fixed
The first side pipe is connected with, one side of the check plate away from the first side pipe is provided with the second side pipe, the inside of second side pipe
It is provided with cut-off equipment.
Preferably, the cut-off equipment includes fixed frame, and the inside of the fixed frame is fixedly connected with rubber tissue.
Preferably, the rubber tissue extends to the side away from check plate.
Preferably, the drain pipe is tubaeform that the one end of drain pipe away from the first side pipe is osculum.
Preferably, bed course is filled between the upper cover plate and upper pipeline.
(3) beneficial effect
Compared with prior art, the invention provides a kind of thermal power plant's check-valves, possesses following beneficial effect:
1st, thermal power plant's check-valves, changes traditional check valve design, and check plate is arranged on into middle part close to outlet
One end, preferable non-return effect can be played, and the small-bore drain pipe set can be covered preferably by check plate
Firmly, so as to improve non-return sealing effectiveness, liquid leakage is reduced, and the cut-off equipment added can be before check plate just to liquid
Dammed, reduce the pressure of check plate.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is non-return plate structure schematic diagram of the present invention.
In figure:1 upper cover plate, 2 bolts, pipeline, 4 division boards, 5 connecting plates, 6 check plates, 61 housings, 62 stop cloth, 7 on 3
Drain pipe, 8 first test tubes, 9 second test tubes, 10 cut-off equipments, 101 fixed frames, 102 rubber tissues.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme:A kind of thermal power plant's check-valves, including upper cover plate 1, on
Cover plate 1 is fixedly connected by bolt 2 with upper pipeline 3, and the inside of upper pipeline 3 is fixedly connected with division board 4, the following table of division board 4
Face is connected with connecting plate 5, and the bottom of connecting plate 5 is fixedly connected with check plate 6, and check plate 6 includes housing 61, housing 61
Inside, which is fixedly connected with, stops cloth 62, and the side of check plate 6 is provided with drain pipe 7, and the one end of drain pipe 7 away from check plate 6 is consolidated
Surely the first side pipe 8 is connected with, one side of the check plate 6 away from the first side pipe 8 is provided with the second side pipe 9, and the inside of the second side pipe 9 is set
It is equipped with cut-off equipment 10.
Cut-off equipment 10 includes fixed frame 101, and the inside of fixed frame 101 is fixedly connected with rubber tissue 102.
Rubber tissue 102 extends to the side away from check plate 6.
Drain pipe 7 is tubaeform, and the one end of drain pipe 7 away from the first side pipe 8 is osculum.
Bed course is filled between upper cover plate 1 and upper pipeline 3.
The electric elements occurred in this article electrically connect with the main controller and 220V civil powers in the external world, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
When in use, the upper pipeline 3 of present invention addition can preferably prevent the speed that liquid flows back, and add the first test tube 8
Check plate 6 traditional check valve design, is arranged on middle part by the amount control that liquid can flow back with the second test tube 9 to minimum
Close to one end of outlet, preferable non-return effect can be played, and the small-bore drain pipe 7 set can preferably be stopped
Return plate 6 to cover, so as to improve non-return sealing effectiveness, reduce liquid leakage, and the cut-off equipment 10 added can be in check plate
Just liquid is dammed before, reduces the pressure of check plate.
In summary, thermal power plant's check-valves, changes traditional check valve design, and check plate 6 is arranged on into middle part
Close to one end of outlet, preferable non-return effect can be played, and the small-bore drain pipe 7 set can preferably be stopped
Return plate 6 to cover, so as to improve non-return sealing effectiveness, reduce liquid leakage, and the cut-off equipment 10 added can be in check plate
Just liquid is dammed before, reduces the pressure of check plate.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of thermal power plant's check-valves, including upper cover plate (1), it is characterised in that:The upper cover plate (1) by bolt (2) with
Upper pipeline (3) is fixedly connected, and the inside of the upper pipeline (3) is fixedly connected with division board (4), the following table of the division board (4)
Face is connected with connecting plate (5), and the bottom of the connecting plate (5) is fixedly connected with check plate (6), check plate (6) bag
Housing (61) is included, the inside of the housing (61), which is fixedly connected with, stops cloth (62), and the side of the check plate (6) is provided with out
Liquid pipe (7), the one end of the drain pipe (7) away from check plate (6) are fixedly connected with the first side pipe (8), and the check plate (6) is remote
One side from the first side pipe (8) is provided with the second side pipe (9), and second side pipe (9) is internally provided with cut-off equipment (10).
A kind of 2. thermal power plant's check-valves according to claim 1, it is characterised in that:The cut-off equipment (10) includes solid
Determine frame (101), the inside of the fixed frame (101) is fixedly connected with rubber tissue (102).
A kind of 3. thermal power plant's check-valves according to claim 2, it is characterised in that:The rubber tissue (102) extends to
Side away from check plate (6).
A kind of 4. thermal power plant's check-valves according to claim 1, it is characterised in that:The drain pipe (7) to be tubaeform,
The one end of drain pipe (7) away from the first side pipe (8) is osculum.
A kind of 5. thermal power plant's check-valves according to claim 1, it is characterised in that:The upper cover plate (1) and upper pipeline
(3) bed course is filled between.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710905130.3A CN107504229A (en) | 2017-09-29 | 2017-09-29 | A kind of thermal power plant's check-valves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710905130.3A CN107504229A (en) | 2017-09-29 | 2017-09-29 | A kind of thermal power plant's check-valves |
Publications (1)
Publication Number | Publication Date |
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CN107504229A true CN107504229A (en) | 2017-12-22 |
Family
ID=60699092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710905130.3A Withdrawn CN107504229A (en) | 2017-09-29 | 2017-09-29 | A kind of thermal power plant's check-valves |
Country Status (1)
Country | Link |
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CN (1) | CN107504229A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060169329A1 (en) * | 2005-01-28 | 2006-08-03 | Camis Theodore G Jr | Check valve with low shut off sound |
CN103174851A (en) * | 2013-03-28 | 2013-06-26 | 苏州优德通力电气有限公司 | Minitype low-pressure self-locking check valve |
CN203797061U (en) * | 2014-04-22 | 2014-08-27 | 四川成都空分配套阀门有限公司 | Swing low temperature check valve |
CN206017903U (en) * | 2016-08-30 | 2017-03-15 | 江苏苏盐阀门机械有限公司 | A kind of check-valves with double valve |
-
2017
- 2017-09-29 CN CN201710905130.3A patent/CN107504229A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060169329A1 (en) * | 2005-01-28 | 2006-08-03 | Camis Theodore G Jr | Check valve with low shut off sound |
CN103174851A (en) * | 2013-03-28 | 2013-06-26 | 苏州优德通力电气有限公司 | Minitype low-pressure self-locking check valve |
CN203797061U (en) * | 2014-04-22 | 2014-08-27 | 四川成都空分配套阀门有限公司 | Swing low temperature check valve |
CN206017903U (en) * | 2016-08-30 | 2017-03-15 | 江苏苏盐阀门机械有限公司 | A kind of check-valves with double valve |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171222 |
|
WW01 | Invention patent application withdrawn after publication |