CN209865709U - Annular spraying pipe network of desulfurization absorption tower - Google Patents
Annular spraying pipe network of desulfurization absorption tower Download PDFInfo
- Publication number
- CN209865709U CN209865709U CN201920466070.4U CN201920466070U CN209865709U CN 209865709 U CN209865709 U CN 209865709U CN 201920466070 U CN201920466070 U CN 201920466070U CN 209865709 U CN209865709 U CN 209865709U
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- CN
- China
- Prior art keywords
- pipe
- branch pipe
- absorption tower
- ring annular
- desulfurization absorption
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- Expired - Fee Related
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 56
- 230000023556 desulfurization Effects 0.000 title claims abstract description 56
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 52
- 238000005507 spraying Methods 0.000 title claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 27
- 239000007788 liquid Substances 0.000 abstract description 12
- 210000004534 cecum Anatomy 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a desulfurization absorption tower annular sprays pipe network. The annular spraying pipe network of the desulfurization absorption tower is arranged in the desulfurization absorption tower and comprises a main pipe, an outer ring annular branch pipe, an inner ring annular branch pipe, a plurality of tail end branch pipes, a nozzle, a support beam and a support, wherein the main pipe is arranged along the radial direction of the desulfurization absorption tower, one end of the main pipe is communicated with an external slurry pipe, and the other end of the main pipe is supported by the support fixedly arranged on the inner wall of the desulfurization absorption tower; the outer ring annular branch pipe and the inner ring annular branch pipe are symmetrically arranged along the main pipe respectively; the plurality of tail end branch pipes are respectively arranged on the outer ring annular branch pipe and the inner ring annular branch pipe at intervals, and the end parts of the tail end branch pipes are respectively provided with the nozzles; and two ends of the supporting beam are respectively fixedly connected with the inner wall of the desulfurization absorption tower. The utility model provides a desulfurization absorption tower annular sprays the cecum section that the pipe network had eliminated in the traditional shower network, can effectively prevent the thick liquid deposit scale deposit and the jam that causes, has guaranteed desulfurization efficiency.
Description
Technical Field
The utility model relates to an absorption tower technical field, concretely relates to desulfurization absorption tower annular sprays pipe network.
Background
The most widely used absorption tower at present is a spray tower, in which 3 ~ 6 layers of spray layers are generally arranged, the spray layer is also called a liquid distributor, which is composed of spray pipes and spray nozzles, each spray nozzle for uniformly distributing liquid through the distribution action of the spray pipes is sprayed out by the spray nozzles, and fully contacts with flue gas flowing reversely in the spray of the empty tower, and sulfur dioxide is absorbed in the absorption area.
At present, the most commonly adopted spray layer form of a limestone-gypsum wet flue gas desulfurization system is in a tree-shaped design. Pipe network material adopts full glass steel (FRP) material mostly in the existing market, according to the characteristic of glass steel material, need set up a supporting beam in the bottom, a supporting beam generally adopts hollow rectangular steel pipe, and rectangular steel pipe's intensity should satisfy and support whole spray layer area thick liquid weight, and the tip sets up the exhaust hole, is responsible for and takes 2-3m/s according to circulation thick liquid flow and velocity of flow with the definite according to circulation thick liquid flow of branch pipe diameter, and the flow is known condition, and the velocity of flow is according to the general design velocity of flow of experience.
The main disadvantages are:
1. the spray layer branch pipe all has a cecum section, causes the thick liquid deposit scale deposit easily, and the branch pipe is blockked up gradually in the long-pending month of scale deposit, leads to the unable normal blowout thick liquid of part nozzle, forms the flue gas short circuit region, and the flue gas that this region passes through does not contact with the absorbent thick liquid and escapes, causes desulfurization efficiency's decline and sulfur dioxide emission to exceed standard.
2. Traditional tree-form spray pipe network's bearing structure is comparatively complicated, is two girder and two secondary beam usually, and required steel material is great.
3. In the traditional tree-shaped spraying pipe network, due to a plurality of supporting beams, slurry sprayed by nozzles frequently washes the supporting beams, so that the supporting beams are abraded, corroded and collapsed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem such as above-mentioned desulfurization absorption tower annular sprays that the pipe network is complicated, life is short, the utility model provides a desulfurization absorption tower annular sprays the pipe network, has eliminated the tradition and has sprayed the cecum section in the pipe network, can effectively prevent the thick liquid deposit scale deposit and the jam that causes, has guaranteed desulfurization efficiency.
The utility model provides a desulfurization absorption tower annular spraying pipe network, the desulfurization absorption tower annular spraying pipe network is arranged in a desulfurization absorption tower, and comprises a main pipe, an outer ring annular branch pipe, an inner ring annular branch pipe, a plurality of terminal branch pipes, a nozzle, a supporting beam and a support, wherein the main pipe is arranged along the radial direction of the desulfurization absorption tower, one end of the main pipe is communicated with an external slurry pipe, and the other end is supported by the support fixedly arranged on the inner wall of the desulfurization absorption tower; the outer ring annular branch pipe and the inner ring annular branch pipe are symmetrically arranged along the axis of the main pipe respectively, the axes of the outer ring annular branch pipe and the inner ring annular branch pipe are coincided with the axis of the desulfurization absorption tower respectively, and the centers of circles of the outer ring annular branch pipe and the inner ring annular branch pipe are located on the axis of the main pipe respectively; the outer ring annular branch pipe is positioned between the inner ring annular branch pipe and the inner wall of the desulfurization absorption tower; the plurality of tail end branch pipes are respectively arranged on the outer ring annular branch pipe and the inner ring annular branch pipe at intervals, and the end parts of the plurality of tail end branch pipes are respectively provided with the nozzles; and the two ends of the supporting beam are respectively fixedly connected with the inner wall of the desulfurization absorption tower, and the supporting beam is positioned below the branch pipe, the outer ring annular branch pipe and the inner ring annular branch pipe and is vertical to the main pipe.
In the preferred embodiment of the ring-shaped spraying pipe network of the desulfurization absorption tower provided by the present invention, the spraying direction of the nozzle is the lower side of the plane of the outer ring-shaped branch pipe.
The utility model provides a desulfurization absorption tower annular sprays a preferred embodiment of pipe network, be responsible for the outer lane ring branch pipe inner circle ring branch pipe, a plurality of terminal branch pipe reaches the nozzle is made by the glass steel that the surface was equipped with the wearing layer.
In a preferred embodiment of the ring-shaped spraying pipe network of the desulfurization absorption tower provided by the present invention, the supporting beam and the support are made of carbon steel, and the surface of the supporting beam and the surface of the support are coated with glass flakes.
Compared with the prior art, the utility model provides a desulfurization absorption tower annular sprays pipe network has following beneficial effect:
firstly, this desulfurization absorption tower annular sprays pipe network has eliminated the cecum section in the traditional spray pipe network, can effectively prevent the jam that the thick liquid deposit scale deposit and scaling caused, has guaranteed desulfurization efficiency.
And secondly, a supporting beam and a support are adopted to support the whole desulfurization absorption tower annular spraying pipe network, so that the steel consumption is effectively reduced, the cost is reduced, the corrosion and collapse caused by the washing of the nozzle on the supporting beam can be avoided, and the service life of the desulfurization absorption tower annular spraying pipe network is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural diagram of the annular spraying pipe network of the desulfurization absorption tower provided by the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural view of a ring-shaped spraying pipe network of a desulfurization absorption tower provided by the present invention. The annular spraying pipe network 1 of the desulfurization absorption tower is arranged in the desulfurization absorption tower 21 and comprises a main pipe 11, an outer ring annular branch pipe 12, an inner ring annular branch pipe 13, a plurality of tail end branch pipes 14, a nozzle 15, a supporting beam 16 and a support 17, wherein the main pipe 11 is arranged along the radial direction of the desulfurization absorption tower 21, one end of the main pipe 11 is communicated with an external slurry pipe, and the other end of the main pipe is supported by the support 17 fixedly arranged on the inner wall of the desulfurization absorption tower 21; the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13 are respectively and symmetrically arranged along the axis of the main pipe 11, the axes of the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13 are respectively superposed with the axis of the desulfurization absorption tower 21, and the centers of circles of the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13 are respectively positioned on the axis of the main pipe 11; the outer ring annular branch pipe 12 is positioned between the inner ring annular branch pipe 13 and the inner wall of the desulfurization absorption tower 21; the plurality of terminal branch pipes 14 are respectively arranged on the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13 at intervals, the outer ring annular branch pipe 12 and the inner ring annular branch pipe are respectively perpendicular to the terminal branch pipes 14 arranged on the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13, the plurality of terminal branch pipes 14, the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13 are positioned in the same plane, and the end parts of the plurality of terminal branch pipes 14 are respectively provided with the nozzles 15; the two ends of the supporting beam 16 are respectively fixedly connected with the inner wall of the desulfurization absorption tower 21, and the supporting beam 16 is positioned below the branch pipe 11, the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13 and is vertical to the main pipe 11 and used for supporting the whole annular spraying pipe network.
The spraying direction of the nozzle 15 is below the plane of the outer ring annular branch pipe 12.
The main pipe 11, the outer ring annular branch pipe 12, the inner ring annular branch pipe 13, the plurality of terminal branch pipes 14 and the nozzles 15 are all made of glass fiber reinforced plastic materials with wear-resistant layers on the surfaces.
The supporting beam 16 and the support 17 are made of carbon steel material, and the surfaces of the supporting beam 16 and the support 17 are coated with glass flakes.
When the desulfurization absorption tower 21 operates, the main pipe 11 distributes slurry conveyed by an external pipeline to the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13, then the outer ring annular branch pipe 12 and the inner ring annular branch pipe 13 are further distributed to the plurality of terminal branch pipes 14, and finally the slurry is sprayed out through the nozzles 15 to form a water curtain which is contacted with flue gas flowing upwards in a counter-current manner to absorb and remove sulfur dioxide in the flue gas, so that a cecum section in a traditional spraying pipe network is eliminated, the blockage caused by slurry deposition and scaling can be effectively prevented, and the desulfurization efficiency is ensured.
The utility model provides a desulfurization absorption tower annular sprays pipe network 1 has following beneficial effect:
firstly, this desulfurization absorption tower annular sprays pipe network 1 has eliminated the cecum section in the traditional pipe network that sprays, can effectively prevent the jam that the thick liquid deposit scale deposit and cause, has guaranteed desulfurization efficiency.
Two, adopt one the supporting beam 16 and one the support 17 supports wholly the desulfurization absorption tower annular sprays pipe network 1, has effectively reduced the steel quantity, and the cost is reduced can avoid the nozzle 15 is right supporting beam 16 erode and the corruption that causes and collapse, improved the desulfurization absorption tower annular sprays pipe network 1's life.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (4)
1. A desulfurization absorption tower annular spraying pipe network is arranged in a desulfurization absorption tower and is characterized by comprising a main pipe, an outer ring annular branch pipe, an inner ring annular branch pipe, a plurality of tail end branch pipes, a nozzle, a support beam and a support, wherein the main pipe is arranged along the radial direction of the desulfurization absorption tower, one end of the main pipe is communicated with an external slurry pipe, and the other end of the main pipe is supported by the support fixedly arranged on the inner wall of the desulfurization absorption tower; the outer ring annular branch pipe and the inner ring annular branch pipe are symmetrically arranged along the axis of the main pipe respectively, the axes of the outer ring annular branch pipe and the inner ring annular branch pipe are coincided with the axis of the desulfurization absorption tower respectively, and the centers of circles of the outer ring annular branch pipe and the inner ring annular branch pipe are located on the axis of the main pipe respectively; the outer ring annular branch pipe is positioned between the inner ring annular branch pipe and the inner wall of the desulfurization absorption tower; the plurality of tail end branch pipes are respectively arranged on the outer ring annular branch pipe and the inner ring annular branch pipe at intervals, and the end parts of the plurality of tail end branch pipes are respectively provided with the nozzles; and the two ends of the supporting beam are respectively fixedly connected with the inner wall of the desulfurization absorption tower, and the supporting beam is positioned below the branch pipe, the outer ring annular branch pipe and the inner ring annular branch pipe and is vertical to the main pipe.
2. The annular spraying pipe network of the desulfurization absorption tower as recited in claim 1, wherein the spraying direction of the nozzles is below the plane of the outer ring annular branch pipe.
3. The annular spraying pipe network of claim 1, wherein the main pipe, the outer ring annular branch pipe, the inner ring annular branch pipe, the plurality of terminal branch pipes, and the nozzles are made of glass fiber reinforced plastic with a wear-resistant layer on the surface.
4. The annular spraying pipe network of claim 1, wherein the supporting beam and the supporting base are made of carbon steel, and the surfaces of the supporting beam and the supporting base are coated with glass flakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920466070.4U CN209865709U (en) | 2019-04-08 | 2019-04-08 | Annular spraying pipe network of desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920466070.4U CN209865709U (en) | 2019-04-08 | 2019-04-08 | Annular spraying pipe network of desulfurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209865709U true CN209865709U (en) | 2019-12-31 |
Family
ID=68958892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920466070.4U Expired - Fee Related CN209865709U (en) | 2019-04-08 | 2019-04-08 | Annular spraying pipe network of desulfurization absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209865709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318548A (en) * | 2021-05-21 | 2021-08-31 | 铜陵有色建安钢构有限责任公司 | Method and device for purifying exhaust gas generated by spraying paint on steel member |
-
2019
- 2019-04-08 CN CN201920466070.4U patent/CN209865709U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318548A (en) * | 2021-05-21 | 2021-08-31 | 铜陵有色建安钢构有限责任公司 | Method and device for purifying exhaust gas generated by spraying paint on steel member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |