CN214914197U - Spiral-flow type flue gas purifier piece-rate system - Google Patents
Spiral-flow type flue gas purifier piece-rate system Download PDFInfo
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- CN214914197U CN214914197U CN202023131611.XU CN202023131611U CN214914197U CN 214914197 U CN214914197 U CN 214914197U CN 202023131611 U CN202023131611 U CN 202023131611U CN 214914197 U CN214914197 U CN 214914197U
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Abstract
The utility model discloses a spiral-flow type flue gas purifier piece-rate system, including separator element and water conservancy diversion tailboard, separator element adopts the mode of mirror image to arrange in the flue to export setting and the low reaches flue gas flow direction of each separation unit suit's integration water conservancy diversion tailboard. The arrangement mode can directly improve the flue gas flow field at the outlet of the cyclone dust and mist removal unit, reduce the impact on the wall of a downstream flue and reduce the energy loss in the flue turning process, and is particularly suitable for the ultralow emission of a coal-fired power plant with limited transformation space. The strong cyclone shape of the whole flue gas at the outlet of the purifier can be weakened; the separating elements are arranged in a mirror image mode, so that the processing and the installation are convenient, and the cost is low; the integrated flow guide tail plate with the adaptive outlet flow field improves the overall flow direction of the downstream flue gas; reducing the impact on the wall of the downstream flue and reducing the energy loss in the flue turning process; the device can be arranged horizontally, vertically or along other directions, and the applicability is wide.
Description
Technical Field
The utility model relates to a flue gas purification system, specifically a spiral-flow type flue gas purifier piece-rate system.
Background
With the increase of the probability of large-scale haze weather in China, air pollution has increasingly seriously influenced the production and life of people. Reducing the emission of smoke pollutants and improving the clean production level become problems to be solved urgently in various industrial fields.
In recent years, the rotational flow type flue gas purification device is widely concerned with high efficiency, low maintenance and low cost, in the actual engineering, the project of the deep flue gas purifier is basically implemented in the form of engineering improvement, but the problem of flow field unevenness after separation is rarely related to the problems of flue space limitation and the like in the actual engineering. Because the homogeneity that the clarifier body entry needs a section longer straight flue to guarantee flue gas flow field distribution, the flue length of export will be compressed, and the clarifier export is just big elbow even, and to the spiral-flow type clarifier, the flue gas of clarifier export still presents stronger whirl form, when reducing or turning to, flow resistance can grow, can cause great energy loss. In previous work, a cross-shaped or rice-shaped despin device is arranged at an outlet of a flue gas purifier, so that a plurality of despin devices with the same cross section in a flue are connected in parallel for use, the vibration of the flue, which is possibly caused by unstable flue gas flow, is reduced, and the stability of the flue is improved (see ZL 201822023977.1). However, in the case of more limited space, the subsequent racemization device perpendicular to the cross section of the flue occupies a certain space, and the racemization effect is obviously reduced, and the overall flue gas flow direction is hardly improved. Particularly, for the arrangement in the desulfurization tower, if the bias flow caused by the strong rotational flow cannot be eliminated in time, the uniformity of the flow field in the desulfurization tower may be affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a rational in infrastructure design's spiral-flow type flue gas purifier piece-rate system, can directly improve spiral-flow type dust and fog desorption unit export flue gas flow field, reduce the impact to low reaches flue wall and reduce the flue and turn to the energy loss of in-process, especially be fit for to transforming the limited coal fired power plant ultralow emission in space.
The utility model provides a technical scheme that above-mentioned problem adopted is: the separation system of the spiral-flow type smoke purifier is characterized by comprising a separation element and a flow guide tail plate, wherein the separation element is arranged in a flue in a mirror image mode, and an integrated flow guide tail plate which is adaptive to the flowing direction of downstream smoke is arranged at an outlet of each separation unit. The arrangement mode can directly improve the flue gas flow field at the outlet of the cyclone dust and mist removal unit, reduce the impact on the wall of a downstream flue and reduce the energy loss in the flue turning process, and is particularly suitable for the ultralow emission of a coal-fired power plant with limited transformation space.
Further, the number of the separating elements is 4, and the separating elements are arranged in a two-by-two mirror image mode.
Further, the gas inlet end of the separation element is provided with an impeller, and the downstream effective separation area of the impeller is provided with a separation cylinder body with a separation hole. A flow guide tail plate adaptive to a flow field is arranged at the gas outlet end of the separation cylinder, the flow guide tail plate inclines to the downstream along the direction of flue gas, and the flow guide angle is 3-30 degrees, preferably 5-15 degrees; the length of water conservancy diversion tailboard is 20~400mm, preferably 50~200 mm.
Furthermore, the effective separation diameter of the impeller is 150-500 mm, and the effective separation length is 800-3500 mm.
Furthermore, the flow guide tail plate is directly connected with the separating element in a clamping groove connection or welding mode.
Further, the separation elements may be arranged horizontally, vertically or in co-current or counter-current to the other flow direction of the flue gas.
Furthermore, the separation element and the flow guide tail plate are made of low-temperature corrosion resistant materials.
Compared with the prior art, the utility model, have following advantage and effect:
1. the overall strong cyclone state of the flue gas at the outlet of the purifier is weakened;
2. the separating elements are arranged in a mirror image mode, so that the processing and the installation are convenient, and the cost is low;
3. the integrated flow guide tail plate with the adaptive outlet flow field improves the overall flow direction of the downstream flue gas;
4. reducing the impact on the wall of the downstream flue and reducing the energy loss in the flue turning process;
5. the device can be arranged horizontally, vertically or along other directions, and the applicability is wide.
Drawings
Fig. 1 is the embodiment of the present invention provides an overall structure diagram of a separation system of a cyclone-type flue gas purifier.
Fig. 2 is a schematic structural diagram of a separation element according to an embodiment of the present invention.
Fig. 3 is a schematic view (a) of a mirror image structure of an impeller according to an embodiment of the present invention.
Fig. 4 is a schematic view (ii) of a mirror-image structure of an impeller according to an embodiment of the present invention.
In the figure: the device comprises an impeller 1, a separation cylinder 2, a flow guide tail plate 3, a flue 4, a gas inlet end 5, a separation hole 6 and a gas outlet end 7.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 4, in the present embodiment, a separation system of a cyclone type flue gas purifier includes a separation element and a flow guiding tail plate 3, wherein the separation element is arranged in a flue 4 in a mirror image manner, and an integrated flow guiding tail plate 3 corresponding to a downstream flue gas flowing direction is arranged at an outlet of each separation unit. An impeller 1 is arranged at a gas inlet end 5 of the separation element, a separation cylinder 2 with a separation hole 6 is arranged at the downstream of the impeller 1, a flow guide tail plate 3 is arranged at a gas outlet end 7 of the separation cylinder 2, and the flow guide tail plate 3 inclines downstream along the direction of flue gas.
Specifically, the number of the separating elements is 4, and the separating elements are arranged in a two-by-two mirror image mode.
The diversion angle of the diversion tail plate 3 can be 3-30 degrees, and the length of the diversion tail plate 3 can be 20-400 mm. In this embodiment, the diversion angle of the diversion tail plate 3 is 20 degrees, and the length of the diversion tail plate 3 is 100 mm.
Impeller 1's effective separation diameter can set up 150~500mm, and effective separation length can set up 800~3500 mm. In this embodiment, the effective separation diameter of the impeller 1 is set to 380mm, and the effective separation length is set to 1500 mm.
The diversion tail plate 3 is directly connected with the separation element in a clamping groove connection or welding mode.
The separating element and the flow guiding tail plate 3 are made of low-temperature corrosion resistant materials.
Those not described in detail in this specification are well within the skill of the art.
In addition, it should be noted that the above contents described in the present specification are only illustrations of the structure of the present invention. All equivalent changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions by those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A separation system of a cyclone type flue gas purifier is characterized by comprising a separation element and a flow guide tail plate (3), wherein the separation element is arranged in a flue (4) in a mirror image mode, and an integrated flow guide tail plate (3) which is adaptive to the flow direction of downstream flue gas is arranged at the outlet of each separation unit; the gas inlet end (5) of separating element is equipped with impeller (1), the low reaches of impeller (1) are equipped with separation barrel (2) of taking separation hole (6), gas outlet end (7) of separation barrel (2) set up water conservancy diversion tailboard (3), the water conservancy diversion angle of water conservancy diversion tailboard (3) is 3~30 degrees to the length of water conservancy diversion tailboard (3) is 20~400 mm.
2. The cyclonic flue gas cleaner separation system of claim 1, wherein there are 4 of the separation elements arranged in mirror image pairs.
3. The separation system of the cyclone type flue gas purifier as claimed in claim 1, wherein the flow guide tail plate (3) is inclined downstream along the direction of flue gas, the flow guide angle is 5-15 degrees, and the length is 50-200 mm.
4. The cyclone-type flue gas cleaner separation system of claim 1, wherein the impeller (1) has an effective separation diameter of 150 to 500mm and an effective separation length of 800 to 3500 mm.
5. The cyclone-type flue gas cleaner separation system of claim 1, wherein the flow guide tail plate (3) is directly connected with the separation element by means of a clamping groove or welding.
6. The cyclone-type flue gas cleaner separation system of claim 1 wherein the separation element and the flow deflector (3) are made of a low temperature corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023131611.XU CN214914197U (en) | 2020-12-23 | 2020-12-23 | Spiral-flow type flue gas purifier piece-rate system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023131611.XU CN214914197U (en) | 2020-12-23 | 2020-12-23 | Spiral-flow type flue gas purifier piece-rate system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214914197U true CN214914197U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023131611.XU Active CN214914197U (en) | 2020-12-23 | 2020-12-23 | Spiral-flow type flue gas purifier piece-rate system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214914197U (en) |
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2020
- 2020-12-23 CN CN202023131611.XU patent/CN214914197U/en active Active
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