CN209262328U - Water-sealed valve and the chimney for being built-in with the water-sealed valve - Google Patents
Water-sealed valve and the chimney for being built-in with the water-sealed valve Download PDFInfo
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- CN209262328U CN209262328U CN201821571681.7U CN201821571681U CN209262328U CN 209262328 U CN209262328 U CN 209262328U CN 201821571681 U CN201821571681 U CN 201821571681U CN 209262328 U CN209262328 U CN 209262328U
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- smoke inlet
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Abstract
The application provides a kind of water-sealed valve for being built in chimney and the chimney for being built-in with the water-sealed valve.Water-sealed valve for being built in chimney includes: water-sealed container, is arranged inside chimney, is had for the water filling into the water-sealed container or from the intake-outlet wherein drained；And smoke inlet pipe, the smoke inlet pipe has horizontal extension section and vertical extended segment, the lower part of the water-sealed container is inserted into the vertical extended segment from top to bottom, wherein, the smoke inlet pipe is movably installed relative to the water-sealed container, enables the smoke inlet pipe in its horizontal extension section axially with respect to water-sealed container activity.In the technical solution according to the application, smoke inlet pipe can be moved freely integrally, expansion and contraction brought by effective extraction duct temperature change.
Description
Technical field
This application involves environmental technology fields, especially petrochemical industry gas phase media water-sealed valve technical field, and in particular to
Water-sealed valve for being built in chimney and the chimney for being built-in with the water-sealed valve.
Background technique
With the stringent implementation of national environmental protection regulation, catalytic cracking unit is generally needed in waste heat pot in petrochemical industry at present
Increase flue gas desulfurization and denitrification system after furnace.After increasing system for desulfuration and denitration, need that flue gas is arranged between waste heat boiler and chimney
Cut-off equipment.When system for desulfuration and denitration operates normally, the path between flue gas and chimney is cut off by flue gas disconnecting device
Flow to system for desulfuration and denitration.When system for desulfuration and denitration breaks down, flue gas disconnecting device is opened, guides flue gas into cigarette in the short time
Chimney discharge.In addition, waste heat boiler may also set up by-pass pipeline.Waste heat boiler breaks down (or the initial stage device that goes into operation is unstable)
When, flue gas is guided into chimney by by-pass pipeline and directly arranges Xiang great Qi.Under nominal situation, by-pass pipeline is filled by the flue gas cutting being arranged
Set cutting.
Since waste heat boiler peripheral location is compact, conventional water-sealed valve (flue gas disconnecting device) is difficult to arrange, and flue butterfly valve
It can not often accomplish that sealing is tight, flue gas cutting is reliable again.
Further, since the variation of flue temperature generally requires to avoid thermal (temperature difference) stress from damaging device in cigarette
Expansion joint is set in feed channel.Expansion joint is not only expensive, is also easy since flue gas corrosion and the temperature difference are tired in the process of running
The reasons such as labor and damage.Meanwhile the corrosion rate of expansion joint is exacerbated when water seal.
Therefore, it is necessary to develop the new device of one kind reliably to cut off flue gas, while alleviating again and even being eliminated fume pipe
Road expand with heat and contract with cold bring adverse effect.
Utility model content
The utility model provides a kind of water-sealed valve for being built in chimney and the chimney for being built-in with the water-sealed valve, it
Reliably flue gas can be cut off, while being conducive to expansion brought by effective extraction duct temperature change and shrinking.
One aspect according to the present utility model provides a kind of water-sealed valve for being built in chimney, comprising: water seal is held
Device is arranged inside chimney, has for the water filling into the water-sealed container or from the intake-outlet wherein drained；Flue gas air inlet
Pipe, the smoke inlet pipe have horizontal extension section and vertical extended segment, and the water is inserted into the vertical extended segment from top to bottom
Seal container lower part, wherein the smoke inlet pipe is movably installed relative to the water-sealed container so that the flue gas into
Tracheae being capable of activity axially with respect to water-sealed container its horizontal extension section.
The water-sealed container can be formed to have upward open water seal basin, and the opening is in the smoke inlet pipe
Horizontal extension section axial direction on size be greater than the smoke inlet pipe diameter, and the smoke inlet pipe passes through the opening
It protrudes into the water-sealed container.It is preferred that longer in the axial direction of the open horizontal extension section with the smoke inlet pipe
Elongate shape.
The water-sealed container can be provided with sidewall opening, the horizontal extension section edge of the smoke inlet pipe on its side wall
It is axial telescopically across the sidewall opening, to protrude into water-sealed container.
The cross section of the water-sealed container can be round, ellipse, polygon or irregular shape.
Another aspect according to the present utility model, provides a kind of chimney for being built-in with water-sealed valve, and the chimney includes chimney
Ontology and the water-sealed valve being arranged in inside chimney body have pipeline through hole, the water seal on the side wall of the chimney body
Valve is aforementioned described in any item water-sealed valves, and the smoke inlet pipe of the water-sealed valve can in the axial direction of its horizontal extension section
Telescopically pass through the pipeline through hole on the chimney body.
The pipeline through hole can movably support the smoke inlet pipe.It is preferred that being set in the pipeline through hole
It is equipped with sliding support or rolling support device.At least the one of gap between the smoke inlet pipe and the pipeline through hole
Lubricant layer can be set in part.
The water-sealed container side wall of the water-sealed valve can movably support the smoke inlet pipe.
The chimney can also include chimney raft, and the chimney body is built on the chimney raft, and the water
Envelope container can be fixed on the chimney raft by the bracket of lower part.
The chimney can also include the bracket being arranged in inside the chimney body, which is located at the chimney body
Pipeline through hole and the water-sealed valve water-sealed container between, for movably supporting the smoke inlet pipe.
According to the water-sealed valve of the utility model embodiment and the chimney for being built-in with this water-sealed valve, can bring following beneficial
Effect:
1, it makes full use of chimney bottom space to place self extending water-sealed valve, is not take up site space；
2, better than flue butterfly valve using sealing effect after self extending water-sealed valve for long smoke seal chimney, cancellation element long period
Run existing smoke spillage risk and the environmentally friendly hidden danger due to caused by leakage；
3, chimney front flue does not need that expensive expansion joint is arranged, and passes through the internal cigarette for having self extending water-sealed valve
The deformation that chimney extraction duct generates, at low cost, reliable operation are eliminated using expansion joint and bring corrosion disclosure risk and peace
Entirely, environmentally friendly hidden danger.
Detailed description of the invention
In the detailed description made by the non-limiting embodiment referring to the drawings to the utility model, the utility model
Other features, objects and advantages will become more apparent upon.Wherein:
Fig. 1 and Fig. 2 shows according to the water-sealed valve of the utility model first embodiment and the chimney for being built-in with the water-sealed valve
Schematic diagram, wherein Fig. 1 shows state when water-sealed valve is opened, and Fig. 2 shows states when water-sealed valve closing；And
Fig. 3 and Fig. 4 shows the water-sealed valve according to the utility model second embodiment and is built-in with the chimney of the water-sealed valve
Schematic diagram, wherein Fig. 3 shows state when water-sealed valve is opened, and Fig. 4 shows state when water-sealed valve is closed.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Firstly, introducing the water-sealed valve according to the utility model first embodiment referring to Figures 1 and 2 and being built-in with the water-sealed valve
Chimney schematic diagram, wherein Fig. 1 show water-sealed valve open when state, Fig. 2 shows water-sealed valve closing when state.
As depicted in figs. 1 and 2, chimney 10 includes chimney body 11, wherein being built-in with water-sealed valve 20.Water-sealed valve 20 includes water
Seal container 21 and smoke inlet pipe 22.Water-sealed container 21 is arranged inside chimney 10, has for filling the water into water-sealed container 21
Or from the intake-outlet 21a wherein drained, and there can also be optional overflow port 21b.Smoke inlet pipe 22 has level
Extended segment 22a and vertical extended segment 22b, and vertical extended segment 22b is inserted into the lower part of water-sealed container 21 from top to bottom.Chimney
10 have pipeline through hole 12 on the side wall of its chimney body 11, and the smoke inlet pipe 22 of water-sealed valve 20 passes through the pipeline and passes through
Hole 12.
According to the utility model embodiment, in water-sealed valve 20, smoke inlet pipe 22 is movable relative to water-sealed container 21
Ground installation enables smoke inlet pipe 22 in its horizontal extension section 22a axially with respect to 21 activity of water-sealed container.
Correspondingly, according in the chimney 10 for being built-in with water-sealed valve 20 of the utility model embodiment, on chimney body 11
Pipeline through hole 12 is positioned to allow for smoke inlet pipe 22 in its horizontal extension section 22a axially with respect to pipeline through hole 12
It is scalable.
Fig. 1 shows state when water-sealed valve is opened.Non- water storage or storage have a small amount of water in water-sealed container 21 at this time, pass through cigarette
The flue gas that gas air inlet pipe 22 enters, is discharged into chimney 10 from the open topped of water-sealed container 21, is then discharged upwards from chimney 10.
State when (i.e. flue gas cutting) is closed Fig. 2 shows water-sealed valve.In order to close water-sealed valve to cut off flue gas, water is opened
Water inlet/intake-outlet 21a of envelope valve 20 starts to fill the water into water-sealed container 21.With the injection of dampening, it can slowly reduce water seal
Flue gas circulation area between container 21 and flue gas inlet tube 22, so that the flue gas pressures of air inlet side increase, gas side out
Flue gas pressures reduce, and air inlet side and out gas side form pressure difference.Under differential pressure action, the water into water-sealed container 21 can be in flue gas
The different liquid level of two height is formed in inlet tube 22 and outside flue gas inlet tube 22, when the pressure difference of the two liquid levels is equal to flue gas
When pressure difference between air inlet side and out gas side, reach liquid level equilibrium, to realize the cutting of flue gas.
When needing to be again turned on water-sealed valve, water outlet/intake-outlet 21a is opened, water is discharged from water-sealed container 21, water seal
It releases, flue gas enters from flue gas inlet tube 22, and outflow, chimney emission are turned in water-sealed container 21.
It can be seen that, according to the utility model embodiment, the pipeline through hole on chimney body is positioned to allow for cigarette above
Gas air inlet pipe in its horizontal extension section axially with respect to pipeline through hole telescopic movable, while the smoke inlet pipe of water-sealed valve
Water-sealed container relative to water-sealed valve is movably installed, and smoke inlet pipe is in its horizontal extension section axially with respect to water seal
Container can be movable, these allow smoke inlet pipe relative to water-sealed container and chimney free extension, effective absorption tube
Channel temp changes brought smoke inlet pipe expansion and shrinks.In this way, in the flue of chimney upstream, it may not be necessary to be arranged
Expansion joint ensure that the security reliability of the devices such as flue gas emission while cost is reduced.Moreover, because in chimney body
Self extending water-sealed valve is arranged in face, can realize the function of flue gas cutting here, it is possible to accomplish that flue seals tight, cigarette
Autogenous cutting is disconnected reliable.
Existing water-sealed valve usually has in smoke inlet pipe to the space for needing to form sealing between water-sealed valve exhanst gas outlet
Packed shell, to prevent flue gas from wherein revealing.However, the utility model inventors have found that according to the utility model
Water-sealed valve due to that will be built in chimney, so be not present existing water-sealed valve the constraint for needing to form sealing space, from
And smoke inlet pipe can be arranged with respect to water-sealed container can be with movable telescopic.In addition, it is important that due to chimney energy
Subnormal ambient is enough formed, even if having gap between the pipeline through hole and smoke inlet pipe of chimney body, the cigarette in chimney
Gas also can be as the updraft that negative pressure is formed be from chimney breast discharge, without being discharged to the environment of plant between above-mentioned gap
In.Be based on the discovery and thinking to above situation, the utility model inventors herein propose by smoke inlet pipe relative to
Water-sealed container and chimney are set as scalable/movable technical solution, efficiently solve smoke inlet pipe and expand with heat and contract with cold and bring
Adverse effect, while also ensuring the security reliability of smoke discharging device.
In Fig. 1 and embodiment illustrated in fig. 2, water-sealed container 21 is formed to have upward open water seal basin, wherein opening
The size of mouth is greater than the diameter of smoke inlet pipe 22, and smoke inlet pipe 22 is extend into water-sealed container 21 by the opening.One
In a little preferred embodiments, the opening of water-sealed container 21 can have the axial direction in the horizontal extension section 22a of smoke inlet pipe 22
Upper longer elongate shape, preferably to accommodate the smoke inlet pipe 22 to stretch in the axial direction due to temperature change.
The cross section of water-sealed container 21 can be round, ellipse, polygon or irregular shape.
In order to which the pipeline through hole 12 on chimney body 11 is positioned to allow for smoke inlet pipe 22 in its horizontal extension section
22a's is scalable axially with respect to pipeline through hole 12, can be simply by being configured to pipeline through hole to be greater than flue gas
The cross section of air inlet pipe is realized.
Pipeline through hole can movably support smoke inlet pipe, such as depicted in figs. 1 and 2.
For improvement, in some preferred embodiments, it can be arranged in pipeline through hole and for example slidably support
Device or rolling support device.It, can be between smoke inlet pipe and pipeline through hole in other preferred embodiments
The lubriation material of such as lubricant layer or other forms is set in at least part in gap.Lubricant layer or lubriation material may include
Polytetrafluoroethylene (PTFE), but the utility model is without being limited thereto.It in other embodiments, is circular cross-section in such as smoke inlet pipe
Pipeline in the case where, V-shaped groove structure can will be set as on the downside of pipeline through hole, to reduce contact with smoke inlet pipe
Area reduces friction.
In other embodiments according to the present utility model, pipeline through hole can not also provide branch to smoke inlet pipe
Support.Such as the water-sealed container 21 of water-sealed valve shown in Fig. 1 and Fig. 2 can side wall with higher, so as to by water-sealed container 21
Open edge supports smoke inlet pipe.In another example chimney can also include the bracket being arranged in inside chimney body, the support
Frame can be located between the pipeline through hole of chimney body and the water-sealed container of the water-sealed valve, for movably supporting flue gas
Air inlet pipe.
As shown, chimney 10 can also include chimney raft 13, chimney body 11 is built on chimney raft 13, water seal
Container 21 can be fixed on chimney raft 13 by bracket 30.
Fig. 3 and Fig. 4 shows the water-sealed valve according to the utility model second embodiment and is built-in with the chimney of the water-sealed valve
Schematic diagram, wherein Fig. 3 shows state when water-sealed valve is opened, and Fig. 4 shows state when water-sealed valve is closed.According to the utility model
The water-sealed valve of second embodiment and chimney and Fig. 1 and the water seal according to first embodiment shown in Fig. 2 for being built-in with the water-sealed valve
Substantially consistent on valve and chimney structure, difference essentially consists in, in a second embodiment, the water-sealed container of water-sealed valve 20
21 ' are provided with sidewall opening 21c on its side wall, and the horizontal extension section 22a of smoke inlet pipe 22 is axially telescopically worn along it
Sidewall opening 21c is crossed, to protrude into water-sealed container 21 '.
As shown in Figure 3 and Figure 4, water-sealed container 21 ' can be similar to the water-sealed valve according to the utility model first embodiment
Water-sealed container 21 in 20 is equally formed as water seal peviform, has upward opening.However, it should be understood that according to the utility model
The water-sealed container of the water-sealed valve of second embodiment also can have other structures, for example, similar to traditional water seal valve chest, on
Portion has the can-shaped structure of frustum neck contraction.In contrast, according in the utility model the first and second embodiments as scheme institute
The water-sealed container shown has opening, is more conducive to flue gas circulation, and helps to reduce water-sealed container manufacturing cost.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (12)
1. a kind of water-sealed valve for being built in chimney, which is characterized in that the water-sealed valve includes:
Water-sealed container is arranged inside chimney, has for the water filling into the water-sealed container or from the Inlet and outlet water wherein drained
Mouthful；With
Smoke inlet pipe, the smoke inlet pipe have horizontal extension section and vertical extended segment, and the vertical extended segment is from top to bottom
Ground is inserted into the lower part of the water-sealed container,
Wherein, the smoke inlet pipe is movably installed relative to the water-sealed container, so that the smoke inlet pipe is at it
Horizontal extension section axially with respect to water-sealed container can activity.
2. water-sealed valve as described in claim 1, which is characterized in that the water-sealed container is formed to have upward open water
Basin is sealed, the size of the opening is greater than the diameter of the smoke inlet pipe, and the smoke inlet pipe is protruded by the opening
In the water-sealed container.
3. water-sealed valve as claimed in claim 2, which is characterized in that the open level in the smoke inlet pipe is prolonged
Stretch longer elongate shape in the axial direction of section.
4. water-sealed valve as described in claim 1, which is characterized in that the water-sealed container is provided with side wall on its side wall and opens
Mouthful, the horizontal extension section of the smoke inlet pipe is axial telescopically across the sidewall opening along it, to protrude into water-sealed container
In.
5. such as water-sealed valve of any of claims 1-4, which is characterized in that the cross section of the water-sealed container is circle
Shape, ellipse, polygon or irregular shape.
6. a kind of chimney for being built-in with water-sealed valve, which is characterized in that the chimney includes chimney body and is arranged in chimney body
Internal water-sealed valve has pipeline through hole on the side wall of the chimney body, and the water-sealed valve is as appointed in claim 1-5
Water-sealed valve described in one, and the smoke inlet pipe of the water-sealed valve telescopically passes through in the axial direction of its horizontal extension section
Pipeline through hole on the chimney body.
7. chimney as claimed in claim 6, which is characterized in that the pipeline through hole movably supports the flue gas air inlet
Pipe.
8. chimney as claimed in claim 7, which is characterized in that be provided with sliding support or rolling in the pipeline through hole
Movable support device.
9. chimney as claimed in claim 7, which is characterized in that gap between the smoke inlet pipe and the pipeline through hole
At least part in be provided with lubricant layer.
10. chimney as claimed in claims 6 or 7, which is characterized in that the side wall of the water-sealed container of the water-sealed valve is movably
Support the smoke inlet pipe.
11. chimney as claimed in claim 6, which is characterized in that the chimney further includes chimney raft, and the chimney body is built
It makes on the chimney raft, and the water-sealed container is fixed on the chimney raft by the bracket of lower part.
12. chimney as claimed in claim 6, which is characterized in that the chimney further includes being arranged inside the chimney body
Bracket, which is located between the pipeline through hole of the chimney body and the water-sealed container of the water-sealed valve, for that can live
The smoke inlet pipe is supported dynamicly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571681.7U CN209262328U (en) | 2018-09-26 | 2018-09-26 | Water-sealed valve and the chimney for being built-in with the water-sealed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571681.7U CN209262328U (en) | 2018-09-26 | 2018-09-26 | Water-sealed valve and the chimney for being built-in with the water-sealed valve |
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| Publication Number | Publication Date |
|---|---|
| CN209262328U true CN209262328U (en) | 2019-08-16 |
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ID=67553188
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821571681.7U Active CN209262328U (en) | 2018-09-26 | 2018-09-26 | Water-sealed valve and the chimney for being built-in with the water-sealed valve |
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| CN (1) | CN209262328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058527A (en) * | 2018-09-26 | 2018-12-21 | 洛阳明远石化技术有限公司 | Water-sealed valve and the chimney for being built-in with the water-sealed valve |
-
2018
- 2018-09-26 CN CN201821571681.7U patent/CN209262328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058527A (en) * | 2018-09-26 | 2018-12-21 | 洛阳明远石化技术有限公司 | Water-sealed valve and the chimney for being built-in with the water-sealed valve |
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