CN208990561U - A kind of device for denitrating flue gas synergy - Google Patents
A kind of device for denitrating flue gas synergy Download PDFInfo
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- CN208990561U CN208990561U CN201821664497.7U CN201821664497U CN208990561U CN 208990561 U CN208990561 U CN 208990561U CN 201821664497 U CN201821664497 U CN 201821664497U CN 208990561 U CN208990561 U CN 208990561U
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- flue gas
- shell
- axis
- denitrating flue
- vane piece
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Abstract
The utility model relates to a kind of devices for denitrating flue gas synergy, shell including inner hollow, support construction is provided in the shell, the support construction is equipped with several equally distributed axis and plays vane piece, and the axis plays vane piece along the axially extending of shell.The utility model has the advantages that rotation can be played using the axial direction of flue gas, it is sufficiently mixed the reducing agent of flue gas and penetrating, and then improve denitration efficiency and reduce the escaping of ammonia rate.
Description
Technical field
The utility model relates to a kind of devices for denitrating flue gas synergy, belong to gas denitrifying technology field.
Background technique
With the raising of national requirements for environmental protection, the industries such as electric power, metallurgy, building materials arrange nitrogen oxides in industrial pollutants
The requirement put has increased significantly, wherein SCR(selective catalytic reduction) it is the main skill that nitrogen oxides in effluent removes
One of art, application range are relatively broad.Under the requirement of minimum discharge, SCR is in order to reach NOxMinimum discharge limit value requirement,
It generallys use the straying quatity for increasing reducing agent ammonia and increases the mode of the catalyst number of plies to improve denitration efficiency.However, working as flue gas
When uneven with the mixing of the ammonia of penetrating, the straying quatity of ammonia is bigger, caused by the escaping of ammonia rate it is higher, may cause in catalyst
The problems such as poison, boiler back end ductwork and corrosion dust stratification blocking of air preheater heat-transfer surface.Currently, the settling mode generallyd use is
Flow-guiding structure is set in SCR inlet section flue, to change flue flow field, the ammonia for improving penetrating mixes with flue gas degree,
And then it improves denitration efficiency and reduces the escaping of ammonia rate.
Utility model content
It is simple, suitable to provide a kind of structure for the shortcomings that technical problem to be solved in the utility model is, overcomes the prior art
Ying Xingqiang, the device for denitrating flue gas synergy convenient for installation and maintenance, operation is without operation.
In order to solve the above technical problems, the utility model provides a kind of device for denitrating flue gas synergy, including interior
The hollow shell in portion, is provided with support construction in the shell, and the support construction is equipped with several equally distributed axis
Line plays vane piece, and the axis plays vane piece along the axially extending of shell.
The axis of the utility model plays vane piece, support construction and shell and is all made of wear-resistant metal material or other wear-resisting materials
Material is made.After flue gas enters the device of the utility model, flue gas rotation rises under the action of axis plays vane piece, strengthens
The mixing efficiency of flue gas and reducing agent in device；After flue gas is again introduced into flue from the outlet of the device of the utility model, flue gas
The flue gas that the present apparatus is not entered in rotation volume smoking channle, increases the disturbance of flue interior air-flow, keeps flue gas and reducing agent sufficiently mixed
It closes, and then improves denitration efficiency and reduce the escaping of ammonia rate.
The technical solution that the utility model further limits is:
Further, the shell is the barrel-like structure being gradually flared from the bottom to top, and the shell is up and down.
Further, the support construction includes upper support and lower support, and the lower support and axis play vane
The root of piece is fixedly connected, and the upper support is fixedly connected with the tip that axis plays vane piece.
Further, the upper support includes top fixed ring, and the outer circumference surface of the top fixed ring is equipped with one
The top connecting rod of the radially even distribution of group, the top fixed ring is fixedly connected with the tip that axis plays vane piece, described
Top connecting rod is fixedly connected with inner walls；The lower support includes lower part fixed ring, the outer circle of the lower part fixed ring
Circumferential surface is equipped with the lower coupling pole of one group of radially even distribution, and the root that the lower part fixed ring and axis play vane piece is solid
Fixed connection, the lower coupling pole are fixedly connected with shell bottom edge.
Further, the diameter of the top fixed ring is greater than the diameter of lower part fixed ring, the length of the top connecting rod
Degree is less than the length of lower coupling pole.
Further, it is the structure being gradually expanded from entrance to export direction radius that the axis, which plays vane piece,.
Further, it includes arc ontology that the axis, which plays vane piece, and the cross-sectional width of the arc ontology is from bottom to top
Gradually broaden.
Further, the arc ontology includes top margin and bottom edge, one end of the top margin and corresponding bottom edge one end it
Between connect first side, second side, the top margin, bottom are connected between the other end of the top margin and the corresponding bottom edge other end
Side is arc-shaped, and the first side, second side are bevel edge, and the inclined direction phase of the first side and second side
Together, the tilt angle of the first side is greater than the tilt angle of second side.
Further, the root side that vane piece is connect with lower support is played in the axis to bend inwards.
Further, it is unfolded outward relative to its root the tip that the axis plays vane piece.
Compared with prior art, the utility model has the advantages that rotation can be played using the axial direction of flue gas, make flue gas and penetrating
Reducing agent be sufficiently mixed, and then improve denitration efficiency and reduce the escaping of ammonia rate.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.
Fig. 1 is the axonometric drawing of the utility model one embodiment.
Fig. 2 is the top view of the utility model one embodiment.
Fig. 3 is the left view of the utility model one embodiment.
Fig. 4 is the scheme of installation of the utility model one embodiment.
In figure: 1. axis play vane piece, 2. support constructions, 3. shells, 4. denitration flues, 21. upper supports, 22. lower parts
Support.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
Embodiment one
As shown in Figure 1 to Figure 3, the device for denitrating flue gas synergy includes that axis plays vane piece 1, support construction 2 and shell
Body 3, axis vane piece 1, support construction 2 and shell 3 are all made of wear-resistant metal material or other wear-resistant materials are made.Shell 3
Inner hollow is provided with support construction 2 in shell 3, is set in support construction 2 there are three equally distributed axis vane piece 1,
Axis plays vane piece 1 along the axially extending of shell 3.Shell 3 is the barrel-like structure being gradually flared from the bottom to top, and about 3 shell
Perforation.
Support construction 2 includes upper support 21 and lower support 22, and the root that lower support 22 and axis play vane piece 1 is solid
Fixed connection, upper support 21 are fixedly connected with the tip that axis plays vane piece 1.Upper support 21 includes top fixed ring, top
The top connecting rod there are six radially even distribution is set on the outer circumference surface of fixed ring, top fixed ring and axis play vane piece
1 tip is fixedly connected, and top connecting rod is fixedly connected with 3 inner wall of shell；Lower support 22 includes lower part fixed ring, and lower part is solid
Determine to set the lower coupling pole there are six radially even distribution on the outer circumference surface of ring, lower part fixed ring and axis play vane piece 1
Root be fixedly connected, lower coupling pole is fixedly connected with 3 bottom edge of shell.In addition, the diameter of top fixed ring is solid greater than lower part
Determine the diameter of ring, the length of top connecting rod is less than the length of lower coupling pole.
It is the structure being gradually expanded from entrance to export direction radius that axis, which plays vane piece 1,.Specifically, axis plays vane piece
1 includes arc ontology, and the cross-sectional width of arc ontology gradually broadens from bottom to top.Arc ontology includes top margin and bottom edge, top margin
One end and corresponding bottom edge one end between connect first side, connected between the other end of top margin and the corresponding bottom edge other end
Second side, top margin, bottom edge are arc-shaped, and first side, second side are bevel edge, and the inclination of first side and second side
Direction is identical, and the tilt angle of first side is greater than the tilt angle of second side.In addition, playing vane piece 1 and lower part in axis
The root side of 22 connection of support bends inwards；It is unfolded outward relative to its root the tip that axis plays vane piece 1.
In actual use, the device that four are used for denitrating flue gas synergy is fixed on (see figure 4) in denitration flue 4.
After flue gas enters shell 3, flue gas rotation rises under the action of axis plays vane piece 1, strengthens flue gas and reduction in device
The mixing of agent.After flue gas comes out from shell 3 is again introduced into denitration flue 4, flue gas rotation volume, which is inhaled in denitration flue 4, does not enter shell
The flue gas of body 3 increases the disturbance of 4 interior air-flow of denitration flue, is sufficiently mixed flue gas with reducing agent, and then improves denitration efficiency
And reduce the escaping of ammonia rate.
In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (10)
1. a kind of device for denitrating flue gas synergy, it is characterised in that: the shell (3) including inner hollow, in the shell
(3) it being provided with support construction (2) in, the support construction (2) is equipped with several equally distributed axis and plays vane piece (1),
The axis plays vane piece (1) along the axially extending of shell (3).
2. a kind of device for denitrating flue gas synergy according to claim 1, it is characterised in that: the shell (3) is served as reasons
Under the supreme barrel-like structure being gradually flared, and the shell (3) is up and down.
3. a kind of device for denitrating flue gas synergy according to claim 2, it is characterised in that: the support construction (2)
Including upper support and lower support, the lower support is fixedly connected with the root that axis plays vane piece (1), the top branch
The tip for playing vane piece (1) with axis is supportted to be fixedly connected.
4. a kind of device for denitrating flue gas synergy according to claim 3, it is characterised in that: the upper support includes
Top fixed ring, the outer circumference surface of the top fixed ring is equipped with the top connecting rod of one group of radially even distribution, described
Top fixed ring is fixedly connected with the tip that axis plays vane piece (1), the top connecting rod and the fixed company of shell (3) inner wall
It connects；The lower support includes lower part fixed ring, and the outer circumference surface of the lower part fixed ring is equipped with one group radially even point
The lower coupling pole of cloth, the root that the lower part fixed ring and axis play vane piece (1) are fixedly connected, the lower coupling pole with
Shell (3) bottom edge is fixedly connected.
5. a kind of device for denitrating flue gas synergy according to claim 4, it is characterised in that: the top fixed ring
Diameter is greater than the diameter of lower part fixed ring, and the length of the top connecting rod is less than the length of lower coupling pole.
6. a kind of device for denitrating flue gas synergy according to claim 5, it is characterised in that: the axis plays vane piece
(1) structure to be gradually expanded from entrance to export direction radius.
7. a kind of device for denitrating flue gas synergy according to claim 5, it is characterised in that: the axis plays vane piece
It (1) include arc ontology, the cross-sectional width of the arc ontology gradually broadens from bottom to top.
8. a kind of device for denitrating flue gas synergy according to claim 7, it is characterised in that: the arc ontology includes
Top margin and bottom edge, connect first side between one end of the top margin and corresponding bottom edge one end, the other end of the top margin with
Second side is connected between the corresponding bottom edge other end, the top margin, bottom edge are arc-shaped, the first side, second side
For bevel edge, and the first side is identical as the inclined direction of second side, and the tilt angle of the first side is greater than second
The tilt angle of side.
9. a kind of device for denitrating flue gas synergy according to claim 8, it is characterised in that: play vane in the axis
The root side of piece (1) bends inwards.
10. a kind of device for denitrating flue gas synergy according to claim 9, it is characterised in that: the axis plays vane
It is unfolded outward relative to its root the tip of piece (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664497.7U CN208990561U (en) | 2018-10-15 | 2018-10-15 | A kind of device for denitrating flue gas synergy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664497.7U CN208990561U (en) | 2018-10-15 | 2018-10-15 | A kind of device for denitrating flue gas synergy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208990561U true CN208990561U (en) | 2019-06-18 |
Family
ID=66803852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821664497.7U Active CN208990561U (en) | 2018-10-15 | 2018-10-15 | A kind of device for denitrating flue gas synergy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208990561U (en) |
-
2018
- 2018-10-15 CN CN201821664497.7U patent/CN208990561U/en active Active
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