CN209385845U - A kind of exhaust piping docking facilities - Google Patents
A kind of exhaust piping docking facilities Download PDFInfo
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- CN209385845U CN209385845U CN201920067674.1U CN201920067674U CN209385845U CN 209385845 U CN209385845 U CN 209385845U CN 201920067674 U CN201920067674 U CN 201920067674U CN 209385845 U CN209385845 U CN 209385845U
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- connecting tube
- exhaust
- docking facilities
- air
- exhaust gas
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Abstract
The utility model relates to technical field of waste gas treatment, disclose a kind of exhaust piping docking facilities, are installed between exhaust emission pipe and exhaust gas air-introduced machine inlet duct, including the first connecting tube and the second connecting tube, the outer diameter D of the first connecting tube1Less than the internal diameter D of the second connecting tube2One end of first connecting tube is docked and connected with exhaust emission pipe, one end of second connecting tube is docked and connected with exhaust gas air-introduced machine inlet duct, the other end of second connecting tube is coaxially set in outside the other end of the first connecting tube, and Formation cross-section is circular socket space layer, is socketed in space layer and is provided with spiral board.The utility model structure is simple, scientific and reasonable, easy for installation, the balance between exhaust emission pipe internal pressure and the matched pressure of air-introduced machine can be effectively facilitated, make the pressure of exhaust gas from exhaust emission pipe to air-introduced machine inlet duct smooth transition, avoids causing material waste, production accident or the secondary pollution of exhaust gas.
Description
Technical field
The utility model relates to technical field of waste gas treatment more particularly to a kind of exhaust piping docking facilities.
Background technique
Exhaust-gas treatment is also known as waste gas purification, and exhaust-gas treatment refers to that the exhaust gas generated for industrial site, factory floor exists
It is externally pre-processed before discharge, to reach the work for the standard that national exhaust gas externally discharges.
When carrying out exhaust-gas treatment, air-introduced machine is usually used and introduces exhaust gas into waste gas treatment equipment, utilizes active carbon
The modes such as absorption method, high temperature catalytic combustion, condensation method, wet type absorption method or bioanalysis are handled, existing exhaust piping connection
In, usually exhaust emission pipe is attached in such a way that welding or flange are docked with air-introduced machine inlet duct, the company
Connecing mode, there are the following problems: when exhaust emission pipe internal pressure and the matched pressure of air-introduced machine can not balance, being easy to make
Occur too low or excessively high phenomenon at pressure in exhaust emission pipe, specific as follows:
(1) when discharge amount of exhaust gas is few, when pressure is less than air-introduced machine matched pressure in exhaust emission pipe, exhaust gas is caused to arrange
The hypotony in pipeline is put, such production material can be introduced into exhaust piping, cause material waste, and influence air-introduced machine
It operates normally；
(2) when discharge amount of exhaust gas is more, when pressure is greater than air-introduced machine matched pressure in exhaust emission pipe, exhaust gas will be accumulated
It is pressed in exhaust emission pipe and causes hypertonia in exhaust emission pipe, be so easy to appear pipelines from bursting, exhaust gas is excessive, draws
Send out production accident and the secondary pollution of exhaust gas.
Therefore, a kind of exhaust piping docking facilities are developed regarding to the issue above, to balance exhaust emission pipe and air inducing
Pressure between machine not only has urgent researching value, it may have good economic benefit and commercial application potentiality, this is exactly
Where the power that the utility model is accomplished and basis.
Utility model content
In order to overcome the defect of the prior art as indicated above, the present utility model people deeply grinds this
Study carefully, after having paid a large amount of creative works, so as to complete the utility model.
Specifically, being solved the technical problem to be solved by the utility model is to provide a kind of exhaust piping docking facilities
The mode that exhaust emission pipe and air-introduced machine inlet duct directly adopt welding under the prior art or flange docks is attached, when
When exhaust emission pipe internal pressure and the matched pressure of air-introduced machine can not balance, be easy to cause material waste, production accident or
The problem of secondary exhaust gas pollutes.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of exhaust piping docking facilities are installed between exhaust emission pipe and exhaust gas air-introduced machine inlet duct, including
First connecting tube and the second connecting tube, the outer diameter D of first connecting tube1Less than the internal diameter D of second connecting tube2, described
One end of one connecting tube is docked and connected with the exhaust emission pipe, one end of second connecting tube and the exhaust gas air-introduced machine
Inlet duct is docked and connected, and the other end of second connecting tube is coaxially set in outside the other end of first connecting tube, and
Formation cross-section is circular socket space layer, the socket space layer between first connecting tube and second connecting tube
In be provided with spiral board.
As an improvement the spiral board includes several spinning disks, the spinning disk is in quadrangle, and around described the
The central axes of two connecting tubes arrange in the shape of a spiral, four of the spinning disk when being respectively the first connection, second connection side, into
Wind bevel edge and outlet air bevel edge, it is described first connection while length be less than described second connection while, it is described first connection side with it is described
The outer tube wall of first connecting tube is fixedly connected, and second connection side is fixedly connected with the inner tubal wall of second connecting tube, institute
Air inlet bevel edge is stated towards the exhaust emission pipe, the outlet air bevel edge is towards the exhaust gas air-introduced machine inlet duct, Mei Gesuo
Straight line is in the socket space where the outlet air bevel edge of straight line and the adjacent spinning disk where stating the air inlet bevel edge of spinning disk
Projection on layer ring cross-section is overlapped.
As an improvement the outlet air bevel edge is in the same plane.
As an improvement towards the side where the air inlet bevel edge, the spinning disk is arranged in counter-clockwise helical shape.
As an improvement the swing angle of the spinning disk is 30~60 °.
As an improvement the total length L of the exhaust piping docking facilities=(4~6) D1, the socket space layer
Length l=(1.2~1.8) D1, the internal diameter D of second connecting tube2=1.5D1。
As an improvement height h=(0.3~0.7) D of the spiral board1。
As an improvement first connecting tube and the exhaust emission pipe use flanged joint, described second connects
Adapter tube also uses flanged joint with the exhaust gas air-introduced machine inlet duct.
As an improvement the swing angle of the spinning disk is 45 °, the height h=0.5D of the spiral board1。
As an improvement total length L=5D of the exhaust piping docking facilities1, the length l of the socket space layer
=1.5D1。
After above-mentioned technical proposal, the utility model has the following beneficial effects:
A kind of exhaust piping docking facilities structure of the utility model is simple, scientific and reasonable, easy for installation, can effectively facilitate
Balance between exhaust emission pipe internal pressure and the matched pressure of air-introduced machine, make the pressure of exhaust gas from exhaust emission pipe to
Air-introduced machine inlet duct smooth transition avoids causing material waste, production accident or the secondary pollution of exhaust gas, specific as follows:
(1) when discharge amount of exhaust gas is few, when pressure is less than exhaust gas air-introduced machine matched pressure in exhaust emission pipe, flue gas leading
Air outside road docking facilities will be introduced into inside exhaust piping docking facilities via spiral board, to make up and reduce exhaust gas
Pressure difference between discharge tube and exhaust gas air-introduced machine inlet duct, thus production material would not because of pressure difference presence and
It is introduced into exhaust emission pipe, avoids the waste of material；
(2) when discharge amount of exhaust gas is more, when pressure is greater than air-introduced machine matched pressure in exhaust emission pipe, exhaust gas is in exhaust gas
It under the action of air-introduced machine, is introduced into the second connecting tube via the first connecting tube of exhaust piping docking facilities, due to the first company
The outer diameter D of adapter tube1Less than the internal diameter D of the second connecting tube2, exhaust gas drains into big second of internal diameter from the first small connecting tube of internal diameter
Connecting tube, pressure are buffered, and are made exhaust gas pressure from exhaust emission pipe to air-introduced machine inlet duct smooth transition, are avoided out
The case where existing pipelines from bursting, exhaust gas is excessive, causes production accident and secondary exhaust gas pollution；In addition the setting of spiral board can be useless
When pressure is excessive in gas discharge tube, exhaust gas is stopped, prevents exhaust gas excessive, avoids secondary pollution.
Detailed description of the invention
Fig. 1 is a kind of exhaust piping docking facilities schematic view of the front view of the utility model；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is B-B cross-sectional view in Fig. 1；
Fig. 4 is spinning disk structural schematic diagram in the utility model；
Fig. 5 is the utility model balance pressure when pressure is less than exhaust gas air-introduced machine matched pressure in exhaust emission pipe
The schematic illustration of power；
Fig. 6 is the utility model balance pressure when pressure is greater than exhaust gas air-introduced machine matched pressure in exhaust emission pipe
The schematic illustration of power；
In figure: 1- exhaust emission pipe, 2- exhaust gas air-introduced machine inlet duct, the first connecting tube of 3-, the second connecting tube of 4-, 5-
It is socketed space layer, 6- spiral board, 61- spinning disk, the connection of 611- first side, the connection of 612- second side, 613- air inlet bevel edge, 614-
Outlet air bevel edge.
Specific embodiment
Below with reference to specific embodiment, the present invention will be further described.But the purposes of these exemplary embodiments
Only it is used to enumerate the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model
It is fixed, it is more non-that the protection scope of the utility model is confined to this.
As shown in Figure 1 and Figure 2, a kind of exhaust piping docking facilities are installed on exhaust emission pipe 1 and enter with exhaust gas air-introduced machine
Between mouth pipeline 2, including the first connecting tube 3 and the second connecting tube 4, the outer diameter D of the first connecting tube 31Less than the second connecting tube 4
Internal diameter D2, one end and the exhaust emission pipe 1 of the first connecting tube 3 be docked and connected, one end of the second connecting tube 4 and exhaust gas air-introduced machine
Inlet duct 2 is docked and connected, and the other end of the second connecting tube 4 is coaxially set in outside the other end of the first connecting tube 3, and first connects
Formation cross-section is circular socket space layer 5 between adapter tube 3 and the second connecting tube 4, is socketed in space layer 5 and is provided with spiral board
6。
Based on above structure, which can effectively facilitate 1 internal pressure of exhaust emission pipe and draw
Balance between the matched pressure of blower makes the pressure of exhaust gas from exhaust emission pipe 1 to air-introduced machine inlet duct smooth transition,
It avoids causing material waste, production accident or the secondary pollution of exhaust gas, specific as follows:
(1) as shown in figure 5, when discharge amount of exhaust gas is few, pressure is less than the matched pressure of exhaust gas air-introduced machine in exhaust emission pipe 1
When power, the air outside exhaust piping docking facilities will be introduced into inside exhaust piping docking facilities via spiral board 6, with more
The pressure difference between exhaust emission pipe 1 and exhaust gas air-introduced machine inlet duct 2 is mended and reduces, thus production material would not be because of
The presence of pressure difference and be introduced into exhaust emission pipe 1, avoid the waste of material；
(2) as shown in fig. 6, when discharge amount of exhaust gas is more, pressure is greater than the matched pressure of air-introduced machine in exhaust emission pipe 1
When, exhaust gas introduces the second connecting tube under the action of exhaust gas air-introduced machine, via the first connecting tube 3 of exhaust piping docking facilities
In 4, internal diameter D2 due to the outer diameter D 1 of the first connecting tube 3 less than the second connecting tube 4, exhaust gas first connecting tube 3 small from internal diameter
The second big connecting tube 4 of internal diameter is drained into, pressure is buffered, and enters exhaust gas pressure to air-introduced machine from exhaust emission pipe 1
The case where mouth pipeline smooth transition, avoids the occurrence of pipelines from bursting, and exhaust gas is excessive, causes production accident and secondary exhaust gas pollution；Separately
The setting of outward turning flowing plate 6 can stop exhaust gas, prevent exhaust gas excessive, keep away when pressure is excessive in exhaust emission pipe 1
Exempt to cause secondary pollution；
It should be understood that dotted arrow indicates the circulation path of exhaust gas in Fig. 5, Fig. 6, realize arrow expression is useless
The circulation path of the outer air of feed channel docking facilities.
Further combined with shown in Fig. 3, Fig. 4, spiral board 6 includes several spinning disks 61, and spinning disk 61 is in quadrangle, and around
The central axes of second connecting tube 4 arrange in the shape of a spiral, 611, second connection when being respectively the first connection of four of spinning disk 61
Side 612, air inlet bevel edge 613 and outlet air bevel edge 614, the first connection is when 611 length is less than the second connection 612, the first connection
Side 611 is fixedly connected with the outer tube wall of the first connecting tube 3, and the inner tubal wall of the second connection side 612 and the second connecting tube 4 is fixed to be connected
It connects, above-mentioned is fixedly connected with mode using spot welding or riveting, enters the wind bevel edge 613 towards exhaust emission pipe 1, outlet air bevel edge 614
Towards exhaust gas air-introduced machine inlet duct 2, the air inlet 613 place straight line of bevel edge of each spinning disk 61 and going out for adjacent spinning disk 61
Projection of the 614 place straight line of wind bevel edge on socket 5 ring cross-section of space layer is overlapped.The structure is provided with conducive to spinning disk 61
The stability of structure prevents to deform, and extends the service life of spiral board 6；
Outlet air bevel edge 614 in the same plane, is based on the structure, since the length on the first connection side 611 connects less than second
Edge fit 612, therefore the spiral board 6 for entering the wind 613 side of bevel edge forms the recessed structure of central part, thus in exhaust pipe
When pressure is less than exhaust gas air-introduced machine matched pressure in road 1, reduces air and enters resistance inside exhaust piping docking facilities,
Air is reduced to the impact of spinning disk 61, extends the service life of spiral board 6；In addition outlet air bevel edge 614 is in same plane
On, it, can be to useless inside exhaust piping docking facilities when pressure is greater than air-introduced machine matched pressure in exhaust emission pipe 1
Gas generates maximum resistance, prevents exhaust gas excessive.
For the performance and effectiveness for further increasing exhaust piping docking facilities various aspects, to the mounting structure of spinning disk 61,
The installation dimension of first connection and the second connecting tube 4 has done further improvement:
Towards the side where air inlet bevel edge 613, spinning disk 61 is arranged in counter-clockwise helical shape, and the swing angle of spinning disk 61 is
30~60 °, the preferably swing angle of spinning disk 61 is 45 °；
As shown in Fig. 2, the total length L of exhaust piping docking facilities=(4~6) D1, preferably L=5D1；It is socketed space layer 5
Length l=(1.2~1.8) D1, preferably l=1.5D1；The internal diameter D of second connecting tube 42=1.5D1；The height h=of spiral board 6
(0.3~0.7) D1, the preferably height h=0.5D of spiral board 61。
For convenience of a kind of installation of exhaust piping docking facilities of the utility model, the first connecting tube 3 and exhaust emission pipe 1
Using flanged joint, the second connecting tube 4 also uses flanged joint with exhaust gas air-introduced machine inlet duct 2, is easily installed and dismantles.
In practical applications, the exhaust piping of China National Chemicals Import(Sinochem) Hong Run petrochemical industry Co., Ltd is transformed, in flue gas leading
A kind of exhaust piping docking facilities of the utility model are mounted on road, compared to before changing morning, material can save 12%, and not have
There have that there is a phenomenon where exhaust gas to be excessive.
It should be appreciated that the purposes of these embodiments is merely to illustrate the utility model and is not intended to limitation the utility model
Protection scope.In addition, it should also be understood that, those skilled in the art can be right after having read the technology contents of the utility model
The utility model makees various change, modification and/or variation, all these equivalent forms equally fall within right appended by the application and want
Seek book within the limits of the protection.
Claims (10)
1. a kind of exhaust piping docking facilities, which is characterized in that be installed on exhaust emission pipe and exhaust gas air-introduced machine inlet duct
Between, including the first connecting tube and the second connecting tube, the outer diameter D of first connecting tube1Less than in second connecting tube
Diameter D2, one end and the exhaust emission pipe of first connecting tube be docked and connected, one end of second connecting tube and institute
It states exhaust gas air-introduced machine inlet duct to be docked and connected, the other end of second connecting tube is coaxially set in first connecting tube
Outside the other end, and Formation cross-section is circular socket space layer, institute between first connecting tube and second connecting tube
It states in socket space layer and is provided with spiral board.
2. a kind of exhaust piping docking facilities as described in claim 1, which is characterized in that the spiral board includes several rotations
Flow, the spinning disk is in quadrangle, and is arranged in the shape of a spiral around the central axes of second connecting tube, the four of the spinning disk
It is a when being respectively the first connection, the second connection side, air inlet bevel edge and outlet air bevel edge, the length on first connection side is less than institute
State the second connection side, first connection side is fixedly connected with the outer tube wall of first connecting tube, the second connection side and
The inner tubal wall of second connecting tube is fixedly connected, and the air inlet bevel edge is towards the exhaust emission pipe, the outlet air bevel edge
Towards the exhaust gas air-introduced machine inlet duct, straight line and the adjacent spinning disk where the air inlet bevel edge of each spinning disk
Outlet air bevel edge where projection of the straight line on the socket space layer ring cross-section be overlapped.
3. a kind of exhaust piping docking facilities as claimed in claim 2, which is characterized in that the outlet air bevel edge is in same plane
On.
4. a kind of exhaust piping docking facilities as claimed in claim 3, which is characterized in that towards where the air inlet bevel edge
Side, the spinning disk are arranged in counter-clockwise helical shape.
5. a kind of exhaust piping docking facilities as claimed in claim 4, which is characterized in that the swing angle of the spinning disk is 30~
60°。
6. a kind of exhaust piping docking facilities as claimed in claim 5, which is characterized in that the exhaust piping docking facilities
Total length L=(4~6) D1, length l=(1.2~1.8) D of the socket space layer1, the internal diameter D of second connecting tube2=
1.5D1。
7. a kind of exhaust piping docking facilities as claimed in claim 6, which is characterized in that the height h=of the spiral board
(0.3~0.7) D1。
8. a kind of exhaust piping docking facilities as claimed in claim 7, which is characterized in that described first
Connecting tube and the exhaust emission pipe use flanged joint, second connecting tube and the exhaust gas air-introduced machine inlet tube
Road also uses flanged joint.
9. a kind of exhaust piping docking facilities as claimed in claim 8, which is characterized in that the swing angle of the spinning disk is 45 °,
The height h=0.5D of the spiral board1。
10. a kind of exhaust piping docking facilities as claimed in claim 9, which is characterized in that the exhaust piping docking facilities
Total length L=5D1, the length l=1.5D of the socket space layer1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920067674.1U CN209385845U (en) | 2019-01-15 | 2019-01-15 | A kind of exhaust piping docking facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920067674.1U CN209385845U (en) | 2019-01-15 | 2019-01-15 | A kind of exhaust piping docking facilities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385845U true CN209385845U (en) | 2019-09-13 |
Family
ID=67853505
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|---|---|---|---|
| CN201920067674.1U Active CN209385845U (en) | 2019-01-15 | 2019-01-15 | A kind of exhaust piping docking facilities |
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| Country | Link |
|---|---|
| CN (1) | CN209385845U (en) |
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2019
- 2019-01-15 CN CN201920067674.1U patent/CN209385845U/en active Active
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