Energy-saving tail gas purification device for boiler
By adopting an absorption chamber structure surrounded by the inner sphere and the outer sphere in the boiler exhaust purification device, the heat exchange and cooling of the absorbent liquid is achieved, and the problem of impurity of emission of pollutants such as sulfur dioxide in the boiler exhaust gas is solved, reducing costs and improving purification efficiency.
Patent Information
- Application Number
- CN202420723997.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-04-10
AI Technical Summary
Pollutants such as sulfur dioxide in the boiler exhaust gas are impure, resulting in acid rain and environmental pollution. The existing purification devices consume a large amount of absorbent liquid during high-temperature exhaust gas treatment, which increases costs.
A boiler energy-saving exhaust gas purification device is designed, and an absorption cavity structure is adopted that encloses the inner sphere and the outer sphere. The inner sphere is made of thermally conductive metal material. The heat exchange and cooling of the absorbent liquid are achieved through the water inlet and outlet pipes to reduce volatile losses.
Through the heat exchange and cooling of the inner sphere and the absorbent liquid, the volatility loss of the absorbent liquid is reduced, the operating cost of the purification device is reduced, and the exhaust purification efficiency is improved.
Smart Images
Figure CN222816553U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tail gas treatment, in particular to a boiler energy-saving tail gas purification device. Background Art
[0002] At present, various boilers are widely used not only in industry, but also in people's daily life. The main emissions of boiler combustion are sulfur dioxide and dust, among which sulfur dioxide is one of the main pollutants causing acid rain. Therefore, the emission of boiler tail gas has always been a concern of people. If the emission is not filtered cleanly, it will inevitably cause damage to nature. If other harmful substances are not filtered cleanly, they will also cause damage to nature.
[0003] At present, there are a large number of devices for boiler tail gas purification. Generally, the tail gas needs to be sent into the absorption liquid for absorption treatment. However, the tail gas temperature is high, and directly passing it into the absorption liquid will cause the tail gas to take away a large amount of absorption liquid volatiles when it is discharged, so the consumption of absorption liquid is large, which increases the cost. Utility Model Content
[0004] The purpose of this application is to provide a boiler energy-saving tail gas purification device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a boiler energy-saving tail gas purification device, comprising a base, a primary filter box, an outer sphere and an absorption box are fixedly installed on the top of the base, the input end of the primary filter box is connected to the air intake pipe, the output end of the primary filter box is connected to the first pipeline, an inner sphere is arranged inside the outer sphere, the inner sphere is made of heat-conducting metal, the top of the inner sphere and the inner wall of the top of the outer sphere are fixed, an absorption cavity is enclosed between the inner sphere and the outer sphere, the absorption cavity is filled with absorption liquid, and the outer sphere An annular tube is fixedly installed on the outside of the body, and a plurality of evenly spaced air inlets are provided on the inner side of the annular tube, which are connected to the annular tube, and the air inlet leads to the interior of the absorption chamber and is located above the absorption liquid. The output end of the annular tube is connected to a second pipe, and the second pipe leads to the interior of the absorption box. The first pipe leads to the interior of the absorption chamber and is located inside the absorption liquid. The output end of the absorption box is connected to an exhaust port, and the inner sphere is connected to a water inlet pipe and a water outlet pipe, and an electric control valve is fixedly installed on the water inlet pipe.
[0006] Preferably, a controller is fixedly mounted on the base, a temperature sensor which is introduced into the absorption liquid is fixedly mounted inside the absorption chamber, the controller receives a signal from the temperature sensor, and the controller controls the opening of the electric control valve.
[0007] Preferably, a fine mesh plate is installed inside the primary filter box, and the fine mesh plate is vertically arranged between the air intake pipe and the first pipeline.
[0008] Preferably, an activated carbon adsorption plate is installed inside the absorption box, and the activated carbon adsorption plate is vertically arranged between the second pipe and the exhaust port.
[0009] Preferably, handles are fixedly installed on the top of the fine mesh plate and the activated carbon adsorption plate, and the fine mesh plate and the activated carbon adsorption plate can be pulled out from the top of the primary filter box and the absorption box respectively.
[0010] Preferably, a fluid infusion port leading to the interior of the absorption chamber is fixedly mounted on the outer sphere.
[0011] In summary, the technical effects and advantages of the utility model are:
[0012] In the utility model, an inner sphere is provided and water is passed through the inner sphere to facilitate heat exchange with the absorption liquid in the absorption chamber, so that the absorption liquid is cooled, the volatilization loss is reduced, and the cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.
[0014] Figure 1 This is a schematic structural diagram of a boiler energy-saving tail gas purification device in an embodiment of the present application;
[0015] Figure 2 This is a schematic cross-sectional structure diagram of a boiler energy-saving exhaust gas purification device in an embodiment of the present application.
[0016] In the figure: 1. base; 2. primary filter box; 3. outer sphere; 4. absorption box; 5. air inlet pipe; 6. first pipeline; 7. inner sphere; 8. water inlet pipe; 9. water outlet pipe; 10. absorption chamber; 11. annular pipe; 12. air inlet; 13. second pipeline; 14. exhaust port; 15. fine mesh plate; 16. activated carbon adsorption plate; 17. handle; 18. temperature sensor; 19. controller; 20. electric control valve; 21. liquid filling port. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] In the description of the present disclosure, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present disclosure. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0019] It should also be noted that the standard parts used in this application document can be purchased from the market, and can be customized according to the description in the specification and drawings. Unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this disclosure can be understood according to the specific circumstances, and in the absence of clear limitations, machines, parts and equipment can all adopt conventional models in the prior art.
[0020] In this article, the term "comprising" is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "comprising..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
[0021] Example: Reference Figure 1-2A boiler energy-saving tail gas purification device shown in the figure includes a base 1, a primary filter box 2, an outer sphere 3 and an absorption box 4 are fixedly installed on the top of the base 1, the input end of the primary filter box 2 is connected to an air intake pipe 5, and the output end of the primary filter box 2 is connected to a first pipeline 6, an inner sphere 7 is arranged inside the outer sphere 3, the inner sphere 7 is made of heat-conducting metal, the top of the inner sphere 7 and the inner wall of the top of the outer sphere 3 are fixed, an absorption chamber 10 is enclosed between the inner sphere 7 and the outer sphere 3, and the absorption chamber 10 is filled with absorption liquid, an annular tube 11 is fixedly installed outside the outer sphere 3, a plurality of evenly spaced air inlets 12 are arranged on the inner side of the annular tube 11, and the air inlet 12 is connected to the annular tube 11, and the air inlet 12 leads to the absorption liquid. The interior of the cavity 10 is located above the absorption liquid, the output end of the annular tube 11 is connected to the second pipe 13, the second pipe 13 leads to the interior of the absorption box 4, the first pipe 6 leads to the interior of the absorption cavity 10 and is located inside the absorption liquid, the output end of the absorption box 4 is connected to the exhaust port 14, the inner sphere 7 is connected to the water inlet pipe 8 and the water outlet pipe 9, the water inlet pipe 8 is fixedly installed with an electric control valve 20, in the present application, the exhaust gas enters the primary filter box through the air inlet pipe, after most of the dust is removed by the primary filter box, the exhaust gas enters the absorption cavity through the first pipe, the exhaust gas is mixed with the absorption liquid for absorption treatment, and then the exhaust gas enters the annular tube from the air inlet, and then is sent to the absorption box from the second pipe for secondary absorption, and then is discharged from the exhaust port.
[0022] By means of the above structure: a controller 19 is fixedly installed on the base 1, a temperature sensor 18 which is introduced into the absorption liquid is fixedly installed inside the absorption chamber 10, the controller 19 receives the signal of the temperature sensor 18, and the controller 19 controls the opening of the electric control valve 20. The higher the temperature, the larger the opening of the electric control valve, and the faster the water inlet pipe is. In this way, automatic temperature control can be achieved to ensure that the absorption liquid performs absorption operations within the specified temperature.
[0023] By means of the above structure: a fine mesh plate 15 is installed inside the primary filter box 2, and the fine mesh plate 15 is vertically arranged between the intake pipe 5 and the first pipe 6, and the exhaust dust is preliminarily filtered through the fine mesh plate.
[0024] By means of the above structure: an activated carbon adsorption plate 16 is installed inside the absorption box 4, and the activated carbon adsorption plate 16 is vertically arranged between the second pipe 13 and the exhaust port 14. The exhaust gas absorbed by the absorption liquid is reabsorbed by the activated carbon adsorption plate to ensure the reliability of exhaust gas emission.
[0025] With the above structure, handles 17 are fixedly installed on the top of the fine mesh plate 15 and the activated carbon adsorption plate 16, and the fine mesh plate and the activated carbon adsorption plate can be pulled out from the top of the primary filter box and the absorption box respectively, so that they are easy to pull out for cleaning.
[0026] With the above structure, a liquid inlet 21 leading to the inside of the absorption chamber 10 is fixedly mounted on the outer sphere 3, and the absorption chamber is infused with liquid through the liquid inlet, and the liquid inlet can also be used as a discharge port for the liquid in the absorption chamber.
[0027] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A boiler energy-saving tail gas purification device, comprising a base, characterized in that: A primary filter box, an outer sphere and an absorption box are fixedly installed on the top of the base, the input end of the primary filter box is connected with an air inlet pipe, the output end of the primary filter box is connected with a first pipe, an inner sphere is provided inside the outer sphere, the inner sphere is made of heat-conducting metal, the top of the inner sphere and the inner wall of the top of the outer sphere are fixed, an absorption cavity is enclosed between the inner sphere and the outer sphere, the absorption cavity is filled with absorption liquid, an annular tube is fixedly installed on the outside of the outer sphere, a plurality of evenly spaced air inlets are provided on the inner side of the annular tube, the air inlet is connected with the annular tube, the air inlet leads to the interior of the absorption cavity and is located above the absorption liquid, the output end of the annular tube is connected with a second pipe, the second pipe leads to the interior of the absorption box, the first pipe leads to the interior of the absorption cavity and is located inside the absorption liquid, the output end of the absorption box is connected with an exhaust port, the inner sphere is connected with a water inlet pipe and a water outlet pipe, and an electric control valve is fixedly installed on the water inlet pipe.
2. A boiler energy-saving tail gas purification device according to claim 1, characterized in that: A controller is fixedly installed on the base, a temperature sensor that is introduced into the absorption liquid is fixedly installed inside the absorption chamber, the controller receives a signal from the temperature sensor, and the controller controls the opening of the electric control valve.
3. A boiler energy-saving tail gas purification device according to claim 1, characterized in that: A fine mesh plate is installed inside the primary filter box, and the fine mesh plate is vertically arranged between the air intake pipe and the first pipeline.
4. A boiler energy-saving tail gas purification device according to claim 1, characterized in that: An activated carbon adsorption plate is installed inside the absorption box, and the activated carbon adsorption plate is vertically arranged between the second pipeline and the exhaust port.
5. The boiler energy-saving tail gas purification device according to claim 3 is characterized in that: The top ends of the fine mesh plate and the activated carbon adsorption plate are fixedly provided with handles, and the fine mesh plate and the activated carbon adsorption plate can be pulled out from the top ends of the primary filter box and the absorption box respectively.
6. The boiler energy-saving tail gas purification device according to claim 1 is characterized in that: The outer sphere is fixedly provided with a liquid replenishing port leading to the interior of the absorption cavity.