CN208222531U - Regenerative oxidation furnace back suction valve device for preventing leakage and regenerative oxidation furnace - Google Patents
Regenerative oxidation furnace back suction valve device for preventing leakage and regenerative oxidation furnace Download PDFInfo
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- CN208222531U CN208222531U CN201820294021.2U CN201820294021U CN208222531U CN 208222531 U CN208222531 U CN 208222531U CN 201820294021 U CN201820294021 U CN 201820294021U CN 208222531 U CN208222531 U CN 208222531U
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- back suction
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- suction valve
- sealing gland
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Abstract
The utility model relates to a kind of regenerative oxidation furnace back suction valve device for preventing leakage, including instrument supply gas control valve, cylinder, sealing ring one, connecting flange, sealing gland outer tube, valve plate and pipeline, cylinder includes cylinder body, back suction valve valve rod and piston rod, the centre of sealing gland outer tube offers circular hole, first end through the back suction valve valve rod of the circular hole is fixedly connected with the valve plate, one end of back suction valve valve rod connects piston rod, connecting flange is fixedly connected on the outer wall of sealing gland outer tube, there is the ventilation connector being connected with its inner hole on sealing gland outer tube side wall, sealing gland element is provided on sealing gland outer tube, one end of pipeline is connected with gas source, the other end connection ventilation connector of pipeline, instrument supply gas control valve is provided on pipeline.The utility model also provides a kind of regenerative oxidation furnace.The utility model has the following beneficial effects: the sealing gland installed additional can effectively stop the exhaust gas in back suction channel outwardly to leak, to achieve the purpose that improve operating environment, air conservation.
Description
Technical field
The utility model relates to a kind of regenerative oxidation furnace back suction valve device for preventing leakage and regenerative oxidation furnaces, belong to regenerative oxidation
Furnace manufacturing technology field.
Background technique
Containing organic matters such as phthalic anhydride, cis-butenedioic anhydride, naphthoquinones in benzoic anhydride tail-gas, it cannot be directly discharged in atmosphere, accumulation of heat need to be passed through
It could qualified discharge after oxidation shove charge and desulfurization equipment processing.Currently, benzoic anhydride tail-gas processing method mainly has WATER-WASHING METHOD and burning
Two kinds of method.WATER-WASHING METHOD washs the organic matter in tail gas by scrubbing tower, and obtained sour water is used to further production fumaric acid.It burns
Method is mainly by the organic compound combustion in tail gas, and the heat a part for generation of burning is maintained for own temperature, and a part is passed through
Heat exchange generates saturated vapor, for providing thermal energy to other devices.As national requirements for environmental protection is increasingly stringenter, more and more
Phthalic anhydride production unit uses incineration method --- regenerative oxidation shove charge.According to tail gas composition and contained Characteristics of Organic, accumulation of heat oxygen
Makeup furnace devises back suction system, the purpose thoroughly burned with the organic matter in realization cleaning thermal storage ceramic, guarantee exhaust gas.In reality
In the operational process of border, the sealing at back suction valve rod is a problem, exhaust gas leakage often occurs into atmosphere, causes environmental pollution.
Utility model content
According to the above-mentioned deficiencies in the prior art, technical problem to be solved by the utility model is: providing a kind of accumulation of heat oxygen
Change furnace back suction valve device for preventing leakage and regenerative oxidation furnace, back suction valve and furnace body engaging portion install positive-pressure type sealing gland additional, guarantee sealing gland chamber
In always full of cleaned air and certain normal pressure is kept, the halfway exhaust gas of burning in back suction channel is isolated from the outside world,
To effectively prevent the exhaust gas leakage in back suction channel into atmosphere.
Regenerative oxidation furnace back suction valve device for preventing leakage described in the utility model, including it is instrument supply gas control valve, cylinder, close
Seal one, connecting flange, sealing gland outer tube, valve plate and pipeline, cylinder include cylinder body, back suction valve valve rod and piston rod, outside sealing gland
The centre of casing offers circular hole, and the first end through the back suction valve valve rod of the circular hole is fixedly connected with the valve plate,
One end of back suction valve valve rod connects piston rod, is fixedly connected with connecting flange, sealing gland outer tube side wall on the outer wall of sealing gland outer tube
On have the ventilation connector being connected with its inner hole, sealing gland element is provided on sealing gland outer tube, one end of pipeline is connected with gas
Source, the other end of pipeline connect ventilation connector, are provided with instrument supply gas control valve on pipeline.
The sealing gland element includes sealing ring two, sealing ring three, sealing baffle one and sealing baffle two, sealing gland outer tube
Sealing ring two is provided in left end face, the right end face of sealing gland outer tube is provided with sealing ring three, is arranged on back suction valve valve rod
There are the sealing baffle one for compressing sealing ring two, the sealing baffle of back suction valve valve rod being additionally provided with for compressing sealing ring three
Two, sealing baffle one is located at the left side of sealing gland outer tube, and sealing baffle two is located at the right side of sealing gland outer tube.
The sealing gland element includes being provided with sealing ring one, sealing gland between one sealing gland outer tube of sealing ring and back suction valve valve rod
Outer tube, back suction valve valve rod, sealing ring one enclose and form sealing gland chamber, have what is be connected to sealing gland chamber to lead on sealing gland outer tube side wall
Gas connector.
The sealing gland outer tube includes left seal section, middle guide section and right seal section, and one end connection of middle guide section is left close
Section is sealed, the other end of middle guide section connects right seal section, and left seal section, middle guide section, right seal section are integrally formed, left sealing
Section, right seal section inner wall circumferencial direction be provided with sealed groove, sealing ring one is provided in the sealed groove.
Dismountable pipe fitting is provided on the ventilation connector.
The sealing ring one, sealing ring two, sealing ring three are V-shaped seal ring.
The pipeline is DN6 stainless steel gas source pipe.
The utility model also provides a kind of regenerative oxidation furnace, including furnace body, back suction channel, back suction valve, installing port, furnace body
Back suction channel is inside installed, installing port is provided on the outer wall of furnace body, back suction valve is provided on back suction channel, further includes accumulation of heat
Oxidation furnace back suction valve device for preventing leakage, the regenerative oxidation furnace back suction valve device for preventing leakage are anti-for above-mentioned regenerative oxidation furnace back suction valve
The connecting flange of leakage device, regenerative oxidation furnace back suction valve device for preventing leakage is mounted on installing port, regenerative oxidation furnace back suction
The valve plate of valve device for preventing leakage is matched with back suction valve.
Working principle of the utility model is: former back suction valve integral demounting is got off, the above-mentioned back suction valve group processed is replaced
Part, the flange gasket more renewed, fastening bolt connect cylinder and valve rod, connect instrument compressed air and adjust valve and open
Degree carries out debugging one by one normally, each valve is then put into automatic running.
Compared with prior art, the utility model has the following beneficial effects: the present invention is mainly in benzoic anhydride tail-gas accumulation of heat
The junction of the back suction valve valve rod and furnace body that aoxidize shove charge installs positive-pressure type sealing gland additional, and gas source is provided using phthalic anhydride plant public work
Clean compression instrument air.The sealing gland of installation can effectively stop the exhaust gas in back suction channel outwardly to leak, and change to reach
Kind operating environment, the purpose of air conservation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of sealing gland outer tube in Fig. 1.
In figure: 1, instrument supply gas control valve 2, cylinder 2.1, cylinder body 2.2, back suction valve valve rod 2.3, piston rod 3, close
Seal 1, connecting flange 5, sealing gland outer tube 5.1, left seal section 5.2, middle guide section 5.3, right seal section 6, valve plate
7, pipeline 8, pipe fitting 9, sealing ring 2 10, sealing ring 3 11, sealing baffle 1, sealing baffle 2 13, furnace body
14, back suction channel 15, back suction valve 16, installing port.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
Below by way of specific embodiment, the utility model is described in further detail, but not to limit the utility model, all
Within spirit of that invention and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Embodiment one
As depicted in figs. 1 and 2, the regenerative oxidation furnace back suction valve device for preventing leakage, including instrument supply gas control valve 1, gas
Cylinder 2, sealing ring 1, connecting flange 4, sealing gland outer tube 5, valve plate 6 and pipeline 7, cylinder 2 include cylinder body 2.1, back suction valve valve rod
2.2 and piston rod 2.3, the centre of sealing gland outer tube 5 offer circular hole, through the back suction valve valve rod 2.2 of the circular hole
First end is fixedly connected with the valve plate 6, and one end of back suction valve valve rod 2.2 connects piston rod 2.3, the outer wall of sealing gland outer tube 5
On be fixedly connected with connecting flange 4, have the ventilation connector being connected with its inner hole, sealing gland outer tube 5 on 5 side wall of sealing gland outer tube
On be provided with sealing gland element, one end of pipeline 7 is connected with gas source, the other end connection ventilation connector of pipeline 7, sets on pipeline 7
It is equipped with instrument supply gas control valve 1.
In the present embodiment, the sealing gland element includes sealing ring 29, sealing ring 3 10, sealing baffle 1 and sealing gear
Plate 2 12 is provided with sealing ring 29 in the left end face of sealing gland outer tube 5, and the right end face of sealing gland outer tube 5 is provided with sealing
3 10 are enclosed, the sealing baffle 1 for compressing sealing ring 29 is provided on back suction valve valve rod 2.2, back suction valve valve rod 2.2 is gone back
It is provided with the sealing baffle 2 12 for compressing sealing ring 3 10, sealing baffle 1 is located at the left side of sealing gland outer tube 5, sealing
Baffle 2 12 is located at the right side of sealing gland outer tube 5；The sealing gland element includes one 3 sealing gland outer tube 5 of sealing ring and back suction valve valve
Sealing ring 1 is provided between bar 2.2, sealing gland outer tube 5, back suction valve valve rod 2.2, sealing ring 1 enclose and form sealing gland chamber,
There is the ventilation connector being connected to sealing gland chamber on 5 side wall of sealing gland outer tube；The sealing gland outer tube 5 include left seal section 5.1, in
Guide section 5.2 and right seal section 5.3, one end of middle guide section 5.2 connect left seal section 5.1, and the other end of middle guide section 5.2 connects
Right seal section 5.3 is connect, left seal section 5.1, middle guide section 5.2, right seal section 5.3 are integrally formed, left seal section 5.1, right sealing
The inner wall circumferencial direction of section 5.3 is provided with sealed groove, and sealing ring 1 is provided in the sealed groove；The ventilation connection
Dismountable pipe fitting 8 is provided on mouthful；The sealing ring 1, sealing ring 29, sealing ring 3 10 are V-shaped seal ring；Institute
Stating pipeline 7 is DN6 stainless steel gas source pipe.
The utility model also provides a kind of regenerative oxidation furnace, including furnace body 13, back suction channel 14, back suction valve 15, installation
Mouthfuls 16, back suction channel 14 is installed in furnace body 13, installing port 16 is provided on the outer wall of furnace body 13, is provided on back suction channel 14
Back suction valve 15, further includes regenerative oxidation furnace back suction valve device for preventing leakage, and the regenerative oxidation furnace back suction valve device for preventing leakage is
The connecting flange 4 of above-mentioned regenerative oxidation furnace back suction valve device for preventing leakage, regenerative oxidation furnace back suction valve device for preventing leakage is mounted on
On installing port 16, the valve plate 6 of regenerative oxidation furnace back suction valve device for preventing leakage is matched with back suction valve 15.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states merely illustrates the principles of the invention, and on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection scope is asked to be defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of regenerative oxidation furnace back suction valve device for preventing leakage, it is characterised in that: including instrument supply gas control valve (1), cylinder
(2), sealing ring one (3), connecting flange (4), sealing gland outer tube (5), valve plate (6) and pipeline (7), cylinder (2) includes cylinder body
(2.1), back suction valve valve rod (2.2) and piston rod (2.3), the centre of sealing gland outer tube (5) offer circular hole, through described
The first end of the back suction valve valve rod (2.2) of circular hole is fixedly connected with the valve plate (6), one end connection of back suction valve valve rod (2.2)
Piston rod (2.3) is fixedly connected connecting flange (4) on the outer wall of sealing gland outer tube (5), have on sealing gland outer tube (5) side wall with
The ventilation connector that its inner hole is connected is provided with sealing gland element on sealing gland outer tube (5), and one end of pipeline (7) is connected with gas
Source, the other end of pipeline (7) connect ventilation connector, are provided with instrument supply gas control valve (1) on pipeline (7).
2. regenerative oxidation furnace back suction valve device for preventing leakage according to claim 1, it is characterised in that: the sealing gland element packet
Include sealing ring two (9), sealing ring three (10), sealing baffle one (11) and sealing baffle two (12), the left side of sealing gland outer tube (5)
Sealing ring two (9) is provided on end face, the right end face of sealing gland outer tube (5) is provided with sealing ring three (10), back suction valve valve rod
(2.2) sealing baffle one (11) for compressing sealing ring two (9) is provided on, back suction valve valve rod (2.2) is additionally provided with use
In the sealing baffle two (12) for compressing sealing ring three (10), sealing baffle one (11) is located at the left side of sealing gland outer tube (5), seals
Baffle two (12) is located at the right side of sealing gland outer tube (5).
3. regenerative oxidation furnace back suction valve device for preventing leakage according to claim 1 or 2, it is characterised in that: the sealing gland member
Part includes that sealing ring one (3), sealing gland housing are provided between sealing ring one (3) sealing gland outer tube (5) and back suction valve valve rod (2.2)
Pipe (5), back suction valve valve rod (2.2), sealing ring one (3) enclose and form sealing gland chamber, have on sealing gland outer tube (5) side wall and sealing gland
The ventilation connector of chamber connection.
4. regenerative oxidation furnace back suction valve device for preventing leakage according to claim 3, it is characterised in that: the sealing gland outer tube
It (5) include left seal section (5.1), middle guide section (5.2) and right seal section (5.3), one end connection of middle guide section (5.2) is left close
Seal section (5.1), the other end of middle guide section (5.2) connects right seal section (5.3), left seal section (5.1), middle guide section (5.2),
Right seal section (5.3) is integrally formed, left seal section (5.1), right seal section (5.3) inner wall circumferencial direction to be provided with sealing recessed
Slot is provided with sealing ring one (3) in the sealed groove.
5. regenerative oxidation furnace back suction valve device for preventing leakage according to claim 4, it is characterised in that: the ventilation connector
On be provided with dismountable pipe fitting (8).
6. regenerative oxidation furnace back suction valve device for preventing leakage according to claim 5, it is characterised in that: the sealing ring one
(3), sealing ring two (9), sealing ring three (10) are V-shaped seal ring.
7. regenerative oxidation furnace back suction valve device for preventing leakage according to claim 6, it is characterised in that: the pipeline (7) is
DN6 stainless steel gas source pipe.
8. a kind of regenerative oxidation furnace, it is characterised in that: described includes furnace body (13), back suction channel (14), back suction valve (15), peace
It fills mouth (16), is equipped with back suction channel (14), is provided on the outer wall of furnace body (13) installing port (16) in furnace body (13), back suction is logical
It is provided with back suction valve (15) on road (14), further includes regenerative oxidation furnace back suction valve device for preventing leakage, the regenerative oxidation furnace is anti-
Taking out valve device for preventing leakage is regenerative oxidation furnace back suction valve device for preventing leakage, regenerative oxidation furnace as described in claim any one of 1-7
The connecting flange (4) of back suction valve device for preventing leakage is mounted on installing port (16), regenerative oxidation furnace back suction valve device for preventing leakage
Valve plate (6) matched with back suction valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820294021.2U CN208222531U (en) | 2018-03-02 | 2018-03-02 | Regenerative oxidation furnace back suction valve device for preventing leakage and regenerative oxidation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820294021.2U CN208222531U (en) | 2018-03-02 | 2018-03-02 | Regenerative oxidation furnace back suction valve device for preventing leakage and regenerative oxidation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208222531U true CN208222531U (en) | 2018-12-11 |
Family
ID=64530771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820294021.2U Active CN208222531U (en) | 2018-03-02 | 2018-03-02 | Regenerative oxidation furnace back suction valve device for preventing leakage and regenerative oxidation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208222531U (en) |
-
2018
- 2018-03-02 CN CN201820294021.2U patent/CN208222531U/en active Active
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