CN208703393U - One kind sealing the double-deck bypass valve from vacuum firmly - Google Patents
One kind sealing the double-deck bypass valve from vacuum firmly Download PDFInfo
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- CN208703393U CN208703393U CN201821300057.3U CN201821300057U CN208703393U CN 208703393 U CN208703393 U CN 208703393U CN 201821300057 U CN201821300057 U CN 201821300057U CN 208703393 U CN208703393 U CN 208703393U
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- bypass valve
- deck
- pedestal
- vacuum
- valve deck
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Abstract
The utility model relates to valves, seal the double-deck bypass valve firmly from vacuum more particularly to one kind, including pedestal, escape pipe and vacuum pure air balancing device, cylinder is equipped on the pedestal, the plug of the cylinder passes through the pedestal and connect with the connecting column for being preset in the pedestal lower end, through-hole is equipped in the lower end of the connecting column, sliding slot is equipped in the upper end of the through-hole, tank body is equipped in the lower end of the pedestal, several bleeder ports are equipped in the upper end of the tank body, the utility model structure is simple, high-efficient.
Description
Technical field
The utility model relates to valves, and in particular to one kind seals the double-deck bypass valve from vacuum firmly.
Background technique
Gas bypass valve in major boiler of power plant flue gas, smelting steel ironworks waste gas pollution control and treatment cleaner, dedusting system
System setting internal bypass flue and bypass valve make flue gas through shunt valve in the case where boiler throws the states such as abnormal, " four pipes " explosion of oil, smoke temperature
Road discharge and without filter bag, for deduster be preliminarily sprayed and protection when " four pipes " explosion initial stage to deduster.Boiler
Flue gas unexpected abnormality high temperature (200 DEG C) can burn out filter bag, and deduster is provided with temperature measurer and bypass valve thus, when temperature hyperfiltration
When the bearing temperature of bag, bypass valve is opened, high-temperature flue gas is removed.When " four pipes " explosion is serious, production will be significantly affected, should be stopped
Furnace overhauls boiler.Deduster openable bypass valve at this time.Deduster design has bypass valve, and when boiler throws oil, flue gas is without cloth
Bag is directly drained.
Deduster bypass valve and Off-line valve use pneumatically opens gland form for practical application request, the structure of valve fastly
Different, sealing performance is very poor in use for current valve, and there are the exceeded situation of the discharge of gas leakage, the reason of problem is
Due to caused by the stable structure difference of sealing element.
Utility model content
(1) the technical issues of solving
The purpose of the utility model is to provide a kind of structurally reasonable valves simple, leakproofness is strong.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: one kind seals double firmly from vacuum
Layer bypass valve, which is characterized in that including pedestal, escape pipe and vacuum pure air balancing device, set on the pedestal
There is cylinder, the plug of the cylinder passes through the pedestal and connect with the connecting column for being preset in the pedestal lower end, in the company
The lower end for connecing column is equipped with through-hole, is equipped with sliding slot in the upper end of the through-hole, tank body is equipped in the lower end of the pedestal, in the tank
The upper end of body is equipped with several bleeder ports, and valve member is equipped in the bleeder port, and the valve member includes the first bypass valve
Lid is preset in the first connecting tube that first bypass valve covers and passes through through-hole realization and the connection by the first pin shaft
The connection of column is equipped with the second bypass valve deck in the upper end of the first bypass valve deck, is preset in what second bypass valve covered
Second connecting tube by the second pin shaft pass through the sliding slot realize with the connection of the connecting column, the first bypass valve deck with
Spring is equipped between second bypass valve deck, the escape pipe sequentially passes through the first bypass valve deck, the first bypass valve deck is placed in institute
It states in tank body, the lower end of the vacuum pure air balancing device passes through the first bypass valve deck and is placed in the second bypass valve deck
Upper end.
Preferably, the lower section for bypassing valve deck in the bleeder port and positioned at described first is equipped with and first bypass valve
Cover mutually matched baffle.
Preferably, the diameter of the first bypass valve deck is less than the diameter of the first bypass valve deck.
Preferably, the diameter of the first bypass valve deck is the 7/8 of the diameter of the first bypass valve deck.
Preferably, the spring is the spring that rises.
Preferably, the spring is contraction spring.
Preferably, the vacuum pure air balancing device includes air filter and air inlet pipe, and the air inlet pipe is worn
The first bypass valve deck is crossed to be placed in the second bypass valve and cover end.
(3) beneficial effect
The utility model provide it is a kind of seal the double-deck bypass valve firmly from vacuum, it is structurally reasonable simply, leakproofness it is strong.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is another structural schematic diagram of the utility model.
Fig. 3 is A enlarged drawing in Fig. 1.
Fig. 4 is the partial structure diagram of connecting column.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: one kind sealing the double-deck bypass valve from vacuum firmly,
It is characterised in that it includes pedestal 1, escape pipe 2 and vacuum pure air balancing device 3, are equipped with cylinder 4 on the pedestal,
The plug of the cylinder passes through the pedestal and connect with the connecting column 5 for being preset in the pedestal lower end, in the connecting column
Lower end is equipped with through-hole 6, is equipped with sliding slot 7 in the upper end of the through-hole, tank body 8 is equipped in the lower end of the pedestal, in the tank body
Upper end be equipped with several bleeder ports 9, in the bleeder port be equipped with valve member 10, the valve member include the first bypass valve
Lid 11 is preset in the first connecting tube 12 that first bypass valve covers and passes through through-hole realization and institute by the first pin shaft 13
The connection for stating connecting column is equipped with the second bypass valve deck 14 in the upper end of the first bypass valve deck, is preset in second bypass
The second connecting tube 15 on valve deck passes through the sliding slot by the second pin shaft 16 and realizes connection with the connecting column, described the
It is equipped with spring 17 between one bypass valve deck and the second bypass valve deck, the escape pipe sequentially passes through the first bypass valve deck, by first
Road valve deck is placed in the tank body, and the lower end of the vacuum pure air balancing device passes through the first bypass valve deck juxtaposition
End is covered in the second bypass valve.
Preferably, the lower section for bypassing valve deck in the bleeder port and positioned at described first is equipped with and first bypass valve
Cover mutually matched baffle 18.
Preferably, the diameter of the first bypass valve deck is less than the diameter of the first bypass valve deck.
Preferably, the diameter of the first bypass valve deck is the 7/8 of the diameter of the first bypass valve deck.
Preferably, the spring is the spring that rises.
Preferably, the spring is contraction spring.
Preferably, the vacuum pure air balancing device includes air filter 19 and air inlet pipe 20, the air inlet
Pipe is placed in the second bypass valve across the first bypass valve deck and covers end.
Working method and principle:
As shown in Fig. 1, the first bypass valve deck and the second bypass valve deck are in inside bleeder port at this time, and are realized with tank body
Sealing prevents the intracorporal gas discharge (as long as the end of escape pipe does not have valve opening) of tank.
Simultaneously (upper end of escape pipe is equipped with air pump or other getter devices to air-breathing, this does not belong to after the end valve opening of escape pipe
In the protection scope of the utility model, the utility model lays special stress on protecting two layers of valve), the intracorporal air pressure of tank is negative pressure, thus the
The air pressure that two bypass valves cover end is far longer than the air pressure of the first bypass valve deck lower end, and the first bypass valve is caused to cover tightly tight cover
On bleeder port, to realize sealing function.
When needing make-up gas in tank body, start cylinder, cylinder pulls up valve member, in this way, because the first bypass
Valve deck than second bypass valve deck diameter it is small, slightly by first bypass valve deck pull up after, be located at first bypass valve deck and second by
Air inlet pipe between the valve deck of road will be automatically by (being negative pressure in tank body) in clean gas suction tank body, in this way, realizing in tank body
The ventilation work of interior gas.
It is well known that pervious flap is all that surrounding is enclosed with sealing ring, the pulling back and forth of sealing ring is easy damage
It is bad, sealing effect is lost, the utility model is realized the change to sealing effect matter using the double-deck bypass valve deck, realized by air pressure
First bypass valve cover tightly it is tight cover on bleeder port, realize sealing effect, it is most important that, first bypass valve deck diameter be less than
Second bypass valve deck, slightly lift the first bypass valve deck, can be achieved with pouring into for gas, in this way, being avoided that cylinder by first
Bypass valve deck lifts realization air inlet completely.
As the another aspect of the utility model, spring (this is equipped between the first bypass valve deck and the second bypass valve deck
It is important that it is), as shown in Fig. 2, overhauls and finish after cylinder extracts valve member completely, inserted by valve member
Enter in bleeder port, be easy to cause blocking for the second valve member and bleeder port wall portion, causes the second valve member to lose sealing and make
With the second valve member capable of being promoted to be restored to normal position to greatest extent, auditor asked not look down upon this after using spring
A bit, this is the maximum innovative point place of the utility model, it is necessary to sliding slot be arranged, allow the second valve member that can have self-regulation
Position can promote the second valve member to be slowly restored to normal position with the effect of spring, to realize for a long time close
Seal effect.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. one kind seals the double-deck bypass valve from vacuum firmly, which is characterized in that including pedestal, escape pipe and vacuum pure air
Balancing device, is equipped with cylinder on the pedestal, the plug of the cylinder pass through the pedestal and be preset under the pedestal
The connecting column at end connects, and is equipped with through-hole in the lower end of the connecting column, sliding slot is equipped in the upper end of the through-hole, in the pedestal
Lower end be equipped with tank body, the upper end of the tank body be equipped with several bleeder ports, in the bleeder port be equipped with valve member, it is described
Valve member includes the first bypass valve deck, is preset in the first connecting tube that first bypass valve covers and is passed through by the first pin shaft
The through-hole realizes the connection with the connecting column, is equipped with the second bypass valve deck in the upper end of the first bypass valve deck, presets
The company of sliding slot realization and the connecting column is passed through by the second pin shaft in the second connecting tube that second bypass valve covers
It connects, is equipped with spring between the first bypass valve deck and the second bypass valve deck, the escape pipe sequentially passes through the first bypass valve
Lid, the first bypass valve deck are placed in the tank body, and the lower end of the vacuum pure air balancing device passes through by the of described first
Road valve deck is placed in the second bypass valve and covers end.
2. one kind as described in claim 1 seals the double-deck bypass valve from vacuum firmly, it is characterised in that: in the bleeder port
And the lower section for being located at the first bypass valve deck is equipped with and the first bypass mutually matched baffle of valve deck.
3. one kind as described in claim 1 seals the double-deck bypass valve from vacuum firmly, it is characterised in that: first bypass valve
The diameter of lid is less than the diameter of the first bypass valve deck.
4. one kind as claimed in claim 3 seals the double-deck bypass valve from vacuum firmly, it is characterised in that: first bypass valve
The diameter of lid is the 7/8 of the diameter of the first bypass valve deck.
5. one kind as described in claim 1 seals the double-deck bypass valve from vacuum firmly, it is characterised in that: the spring is the bullet that rises
Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300057.3U CN208703393U (en) | 2018-08-13 | 2018-08-13 | One kind sealing the double-deck bypass valve from vacuum firmly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821300057.3U CN208703393U (en) | 2018-08-13 | 2018-08-13 | One kind sealing the double-deck bypass valve from vacuum firmly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208703393U true CN208703393U (en) | 2019-04-05 |
Family
ID=65942067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821300057.3U Active CN208703393U (en) | 2018-08-13 | 2018-08-13 | One kind sealing the double-deck bypass valve from vacuum firmly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208703393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185597A (en) * | 2018-08-13 | 2019-01-11 | 江苏海伦环保设备有限公司 | One kind sealing the double-deck bypass valve from vacuum firmly |
-
2018
- 2018-08-13 CN CN201821300057.3U patent/CN208703393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185597A (en) * | 2018-08-13 | 2019-01-11 | 江苏海伦环保设备有限公司 | One kind sealing the double-deck bypass valve from vacuum firmly |
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