Wet flue gas liquid collecting device
By optimizing the collection and discharge paths of condensate in flues and chimneys through a multi-stage liquid collection device, the problem of liquid pollutant discharge in wet flue gas desulfurization systems is solved, achieving efficient and low-cost liquid collection and discharge, protecting the environment and reducing enterprise costs.
Patent Information
- Application Number
- CN202423281706.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
After the existing wet flue gas desulfurization system is installed, the temperature of the flue gas from the chimney decreases, resulting in the emission of liquid pollutants. Conventional devices cannot effectively collect and discharge the condensate, leading to the phenomenon of chimney rain. In addition, there are problems such as high energy consumption and high investment costs.
Design a multi-stage liquid collection device, including liquid collectors and bottom plate drain outlets arranged at an angle in the primary and secondary flues, as well as a conical water collection hopper and drain outlet at the bottom of the chimney, to optimize the collection and discharge path of condensate.
It effectively collects and discharges condensate, reduces chimney rain, lowers maintenance costs and environmental risks, adapts to different industrial environments, has a flexible structure, and low operating costs.
Smart Images
Figure CN223747296U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to chimney and flue design field, especially, a kind of wet flue gas liquid collecting device. BACKGROUND
[0002] After canceling gas heat exchanger, the temperature of flue gas discharged from the chimney of the generator unit equipped with wet flue gas desulfurization system is reduced, and the discharge of liquid pollutants is easily entrained, which leads to chimney rain and gypsum rain in the area near the chimney under normal weather conditions.
[0003] Most of the conventional wet flue / wet chimney structure does not consider the humid environment of flue / chimney condensation, and does not have the function of collecting and discharging condensed liquid. The conventional chimney rain solution also has the disadvantages of poor effect, high energy consumption and high investment cost. Therefore, it is of great environmental and economic benefits to develop a high-efficiency and maintenance-free chimney rain liquid collecting device. UTILITY MODEL CONTENTS
[0004] In order to achieve the above purpose, the utility model provides a wet flue gas liquid collecting device, which comprises:
[0005] The first liquid collecting device is arranged in the primary flue and comprises a first liquid collector and a first drain, the first liquid collector is located on the side wall of the primary flue, and the first drain is located on the bottom plate of the primary flue. The first liquid collecting device is used for collecting and discharging the condensed liquid on the side wall and the bottom plate of the primary flue.
[0006] The second liquid collecting device is arranged in the secondary flue and comprises a second liquid collector, which is located on the side wall of the secondary flue and is used for collecting the condensed liquid on the side wall of the secondary flue and guiding the condensed liquid to the bottom plate of the secondary flue.
[0007] The third liquid collecting device is arranged at the bottom of the chimney and comprises a conical water collecting hopper and a second drain, the water collecting hopper is located at the bottom of the chimney, and the second drain is located at the bottom of the water collecting hopper. The third liquid collecting device is used for collecting the condensed liquid flowing from the bottom plate of the secondary flue and the condensed liquid flowing down along the inner wall of the chimney and discharging the condensed liquid out of the chimney.
[0008] Optionally, the bottom plate of the secondary flue is designed as an inclined bottom plate, which is inclined to the direction of the chimney along the flow direction of the flue gas, so as to promote the flow of the condensed liquid to the bottom of the chimney.
[0009] Optionally, the angle between the inclined bottom plate and the horizontal direction is 0°-10°, so as to optimize the flow path of the condensed liquid.
[0010] Optionally, the first liquid collector is arranged in an inclined manner, which is inclined to the direction of the chimney along the flow direction of the flue gas, so as to facilitate the collection and guiding of the condensed liquid.
[0011] Optionally, the first hydrophobic port is located on the flue bed downstream of the flue gas of the first liquid collector to ensure smooth discharge of the condensed liquid.
[0012] Optionally, the pipe diameter of the first hydrophobic port ranges from DN50 to DN200 to adapt to the discharge requirements of different flow rates of condensed liquid.
[0013] Optionally, the second liquid collector is arranged obliquely to the flue gas flow direction to the chimney direction to facilitate the flow of condensed liquid to the secondary flue bed.
[0014] Optionally, the included angle between the conical slope of the water collecting bucket and the vertical direction of the chimney is 0°-60° to optimize the collection efficiency of the condensed liquid.
[0015] Optionally, the pipe diameter of the second hydrophobic port ranges from DN150 to DN300 to adapt to the discharge requirements of larger flow rates of condensed liquid.
[0016] Compared with the prior art, the utility model at least has the following beneficial effects:
[0017] The wet flue gas liquid collecting device effectively solves the problem of liquid pollutant emission in the chimney exhaust of the wet desulfurization system through its unique multi-stage collection design. The device is provided with liquid collectors arranged obliquely in the primary flue and the secondary flue, and cooperates with the hydrophobic port of the bottom plate to efficiently collect and discharge the condensed liquid and reduce the occurrence of chimney rain. In addition, the conical water collecting bucket at the bottom of the chimney and the corresponding hydrophobic port design further ensure the complete collection and discharge of the condensed liquid, thereby protecting the environment from pollution and reducing the maintenance cost and potential environmental protection fines of the enterprise.
[0018] The device provided by the utility model considers the efficiency and economy in practical application, does not need power driving, has very low maintenance requirement, and has low operation cost. The optimized structure and flexible flue connection design enable the device to adapt to different industrial environments and flue gas conditions, and exhibit good adaptability and reliability. BRIEF DESCRIPTION OF DRAWINGS
[0019] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments with reference to the following drawings:
[0020] Figure 1 Fig. 1 is a structural schematic view of a wet flue gas liquid collecting device according to an embodiment of the utility model.
[0021] Marked legend:
[0022] 1: primary flue; 2: secondary flue; 3: chimney; 4: first liquid collecting device; 41: first liquid collector; 42: first drain; 5: second liquid collecting device; 51: second liquid collector; 6: inclined bottom plate; 7: third liquid collecting device; 71: water collecting basin; 72: second drain. DETAILED DESCRIPTION
[0023] The utility model will be explained in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for the person skilled in the art, on the premise of not departing from the utility model concept, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.
[0024] In order to make the drawing simple, only the part related to the utility model is shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one".
[0025] The utility model will be explained in detail below in combination with specific embodiments. The following embodiments will help the person skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for the person skilled in the art, on the premise of not departing from the utility model concept, a number of changes and improvements can be made. These all belong to the protection scope of the utility model.
[0026] Please refer to Figure 1 The embodiment provides a wet flue gas liquid collecting device, which comprises a first liquid collecting device 4 arranged in a primary flue 1, a second liquid collecting device 5 arranged in a secondary flue 2 and a third liquid collecting device 7 arranged at the bottom of a chimney 3. In the embodiment, the chimney 3 is connected with one flue on each of the left side and the right side, and each side flue is provided with the first liquid collecting device 4 and the second liquid collecting device 5. In other embodiments, the chimney 3 can be connected with only one flue, or connected with three or more flues, and the number of connected flues is not limited here.
[0027] The first liquid collecting device 4 comprises a first liquid collector 41 arranged on the side wall of the primary flue 1 and a first drain 42 arranged on the bottom plate of the primary flue 1. The condensed liquid generated on the side wall of the primary flue 1 is collected by the first liquid collector 41 and is guided to the bottom of the side wall of the primary flue 1, and finally flows into the first drain 42 on the bottom plate of the primary flue 1 and is discharged from the flue. The condensed liquid generated on the bottom plate of the primary flue 1 flows downstream along the direction of the flue gas under the action of the flue gas, and finally flows into the first drain 42 and is discharged from the flue.
[0028] In order to better collect the liquid, the first liquid collector 41 is arranged in an inclined manner and is inclined to the direction of the chimney 3 along the flow direction of the flue gas, so as to facilitate the collection and flow direction of the condensed liquid.
[0029] In order to better flow the liquid collected by the first liquid collector 41 into the first drain 42, the first drain 42 is arranged on the flue gas downstream of the first liquid collector 41.
[0030] Exemplarily, the pipe diameter of the first drain 42 ranges from DN50 to DN200.
[0031] The second liquid collecting device 5 comprises a second liquid collector 51 arranged on the side wall of the secondary flue 2, and the condensed liquid generated by the side wall of the secondary flue 2 is collected by the second liquid collector 51 and is flowed to the bottom of the side wall of the secondary flue 2 and finally flows to the bottom plate of the secondary flue 2, and then flows to the bottom of the chimney 3 along the flue gas direction under the action of the flue gas together with the condensed liquid generated by the bottom plate of the secondary flue 2.
[0032] In order to better collect the liquid, the second liquid collector 51 is arranged in an inclined manner and is inclined to the direction of the chimney 3 along the flow direction of the flue gas.
[0033] In order to better flow the condensed liquid to the bottom of the chimney 3, the bottom plate of the secondary flue 2 is arranged as an inclined bottom plate and is inclined to the direction of the chimney 3 along the flow direction of the flue gas. Exemplarily, the angle between the inclined bottom plate 6 and the horizontal direction ranges from 0° to 10°.
[0034] The third liquid collecting device 7 comprises a water collecting hopper 71 arranged at the bottom of the chimney 3 and a second drain 72 arranged at the bottom of the water collecting hopper 71. The water collecting hopper 71 is arranged in a conical shape, and the surface thereof is inclined, so that the condensed liquid flowed from the bottom plate of the secondary flue 2 and the condensed liquid flowed along the inner wall of the chimney 3 can be more quickly flowed to the second drain 72 and then discharged from the chimney 3.
[0035] Exemplarily, the angle between the conical surface of the water collecting hopper 71 and the vertical direction ranges from 0° to 60°.
[0036] Optionally, since the second drain 72 collects all the condensed liquid in the chimney and the flue, the pipe diameter thereof needs to be increased. Exemplarily, the pipe diameter ranges from DN150 to DN300.
[0037] The specific embodiments of the utility model are described above. It should be understood that the utility model is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of claims, which does not affect the essential content of the utility model. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other at will.
Claims
1. A wet flue gas liquid collection device, characterized by, The application relates to a condensate collecting device for a flue gas chimney, comprising: a first liquid collecting device arranged in a primary flue, comprising a first liquid collector and a first drain, the first liquid collector being arranged on the side wall of the primary flue, and the first drain being arranged on the bottom plate of the primary flue, the first liquid collecting device being used for collecting and discharging the condensate on the side wall and the bottom plate of the primary flue; a second liquid collecting device arranged in a secondary flue, comprising a second liquid collector arranged on the side wall of the secondary flue, the second liquid collector being used for collecting and guiding the condensate on the side wall of the secondary flue to the bottom plate of the secondary flue; a third liquid collecting device arranged at the bottom of the chimney, comprising a conical water collecting hopper and a second drain, the water collecting hopper being arranged at the bottom of the chimney, and the second drain being arranged at the bottom of the water collecting hopper, the third liquid collecting device being used for collecting and discharging the condensate flowing from the bottom plate of the secondary flue and the condensate flowing down along the inner wall of the chimney.
2. The wet flue gas liquid collection device of claim 1, wherein: The bottom plate of the secondary flue is designed as an inclined bottom plate, and is inclined to the chimney in the direction of the flue gas flow, so as to promote the flow of the condensate to the bottom of the chimney.
3. The wet flue gas liquid collection device of claim 2, wherein: The angle between the inclined bottom plate and the horizontal direction is 0-10 degrees, so as to optimize the flow path of the condensate.
4. The wet flue gas liquid collection device of claim 1, wherein: The first liquid collector is arranged in an inclined manner, and is inclined to the chimney in the direction of the flue gas flow, so as to facilitate the collection and guiding of the condensate.
5. The wet flue gas liquid collection device of claim 1, wherein: The first drain is arranged on the bottom plate of the flue downstream of the flue gas of the first liquid collector, so as to ensure the smooth discharge of the condensate.
6. The wet flue gas liquid collection device of claim 5, wherein: The pipe diameter of the first drain ranges from DN50 to DN200, so as to adapt to the discharge requirements of condensate with different flow rates.
7. The wet flue gas liquid collection device of claim 1, wherein: The second liquid collector is arranged in an inclined manner, and is inclined to the chimney in the direction of the flue gas flow, so as to promote the flow of the condensate to the bottom plate of the secondary flue.
8. The wet flue gas liquid collection device of claim 1, wherein: The angle between the conical slope of the water collecting hopper and the vertical direction of the chimney is 0-60 degrees, so as to optimize the collection efficiency of the condensate.
9. The wet flue gas liquid collection device of claim 1, wherein: The pipe diameter of the second drain ranges from DN150 to DN300, so as to adapt to the discharge requirements of condensate with large flow rates.