Cloth bag chamber tail gas antimony oxygen recovery system
By combining a spraying device and a multi-stage centrifugal separation device with a filter press, the problem of "running and leaking" of antimony-oxygen particles during the smelting process was solved, achieving efficient recovery of antimony-oxygen particles and reducing resource waste.
Patent Information
- Application Number
- CN202520046454.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-09
AI Technical Summary
In existing technologies, antimony oxide particles are prone to "running and leaking" during the smelting process, resulting in a waste of antimony oxide resources.
By employing a combination of spraying devices, mixing fans, water mist flue gas conveying pipelines, centrifugal separation devices, and filter press devices, and through multi-stage centrifugal separation and water mist demisters, reliable recovery of antimony-oxygen particles can be achieved.
This method achieves efficient recovery of antimony-oxygen particles, reduces resource waste, and improves the recovery rate of antimony-oxygen.
Smart Images
Figure CN223818405U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of antimony smelting technology, specifically relating to an antimony-oxygen recovery system for baghouse exhaust gas. Background Technology
[0002] Currently, the smelting products volatilized from the antimony blast furnace are recovered through a pulse bag filter chamber. The exhaust gas after product recovery is treated to meet emission standards, but residual antimony oxygen particles still remain in the treated flue gas, resulting in significant antimony oxygen "escape" and waste. Utility Model Content
[0003] In view of this, the purpose of this utility model is to provide a baghouse exhaust gas antimony-oxygen recovery system so as to achieve reliable recovery of antimony-oxygen particles in the exhaust gas.
[0004] This utility model solves the above problems through the following technical means:
[0005] This utility model provides a baghouse exhaust gas antimony-oxygen recovery system, including a flue gas inflow pipe, a spraying device for spraying water mist into the flue gas inflow pipe, a mixing fan, a water mist flue gas conveying pipe, a centrifugal separator, a return pipe, and a flue gas discharge pipe. The flue gas inflow pipe is connected to the air inlet of the mixing fan, the air outlet of the mixing fan is connected to the air inlet of the centrifugal separator through the water mist flue gas conveying pipe, the air outlet of the centrifugal separator is connected to the flue gas discharge pipe, and the return pipe is connected to the discharge end of the centrifugal separator.
[0006] Furthermore, the centrifugal separation device includes a primary centrifugal separator, a secondary centrifugal separator, and a tertiary centrifugal separator through which the water mist flue gas flows in sequence. The air inlet of the primary centrifugal separator is connected to the water mist flue gas conveying pipeline, and the air outlet of the tertiary centrifugal separator is connected to the flue gas discharge pipeline.
[0007] Furthermore, a water mist demister is installed horizontally inside the three-stage centrifugal separator near the air outlet.
[0008] Furthermore, a water droplet collection funnel connected to the return pipe is provided below the water mist demister.
[0009] Furthermore, it also includes a reflux water collection tank located at the discharge end of the reflux pipe.
[0010] Furthermore, it also includes a filter press device, which includes a plate and frame filter press, a filter media recovery device, and a filter water storage tank. The inlet end of the plate and frame filter press is connected to a return water collection tank through a filter liquid inlet pipe, and the outlet end of the plate and frame filter press is connected to the filter water storage tank through a filter liquid return pipe. The filter media recovery device is connected to the outlet end of the plate and frame filter press.
[0011] Furthermore, the filter press inlet pipe is equipped with an electromagnetic control valve and a plate and frame filter press pump.
[0012] Furthermore, the spraying device includes an atomizing sprayer and an atomizing spray water pump connected through a spraying water inlet pipe, and the spraying water inlet pipe is connected to a filter press water storage tank.
[0013] The beneficial effects of this utility model are:
[0014] This application discloses a baghouse exhaust gas antimony-oxygen recovery system, comprising a flue gas inflow pipe, a spraying device for spraying water mist into the flue gas inflow pipe, a mixing fan, a water mist flue gas conveying pipe, a centrifugal separator, a return pipe, and a flue gas discharge pipe. The flue gas inflow pipe is connected to the inlet of the mixing fan, the outlet of the mixing fan is connected to the inlet of the centrifugal separator via the water mist flue gas conveying pipe, the outlet of the centrifugal separator is connected to the flue gas discharge pipe, and the return pipe is connected to the outlet of the centrifugal separator. This baghouse exhaust gas antimony-oxygen recovery system achieves reliable recovery of antimony-oxygen particles from waste gas. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0016] Figure 1 This is a schematic diagram of a preferred embodiment of the present invention. Detailed Implementation
[0017] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Through these descriptions, the features and advantages of the present invention will become clearer and more apparent. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them.
[0018] like Figure 1 As shown, this embodiment discloses a baghouse exhaust gas antimony-oxygen recovery system, including a flue gas inflow pipe 1, a spraying device for spraying water mist into the flue gas inflow pipe, a mixing fan 3, a water mist flue gas conveying pipe 4, a centrifugal separator, a return pipe 11, and a flue gas discharge pipe 10. The flue gas inflow pipe is connected to the air inlet of the mixing fan, the air outlet of the mixing fan is connected to the air inlet of the centrifugal separator through the water mist flue gas conveying pipe, the air outlet of the centrifugal separator is connected to the flue gas discharge pipe, and the return pipe is connected to the discharge end of the centrifugal separator.
[0019] In this embodiment, the centrifugal separation device includes a primary centrifugal separator 5, a secondary centrifugal separator 6, and a tertiary centrifugal separator 7 through which the water mist flue gas flows in sequence. The air inlet of the primary centrifugal separator is connected to the water mist flue gas conveying pipeline, the air outlet of the primary centrifugal separator is connected to the air inlet of the secondary centrifugal separator, the air outlet of the secondary centrifugal separator is connected to the air inlet of the tertiary centrifugal separator, and the air outlet of the tertiary centrifugal separator is connected to the flue gas discharge pipeline.
[0020] A water mist demister 9 is installed horizontally inside the three-stage centrifugal separator near the air outlet.
[0021] Below the water mist demister is a water droplet collection funnel 8 that is connected to the return pipe.
[0022] It also includes a filter press device and a return water collection tank 12 located at the discharge end of the return pipe. The filter press device includes a plate and frame filter press 15, a filter media recovery device 16, and a filter water storage tank 18. The inlet end of the plate and frame filter press is connected to the return water collection tank through a filter liquid inlet pipe 21, and the outlet end of the plate and frame filter press is connected to the filter water storage tank through a filter liquid return pipe 17. The filter media recovery device is connected to the discharge end of the plate and frame filter press.
[0023] The filter press inlet pipe is equipped with an electromagnetic control valve 13 and a plate and frame filter press pump 14.
[0024] The spraying device includes an atomizing sprayer 2 and an atomizing spray water pump 20 connected through a spray water inlet pipe 19, and the spray water inlet pipe is connected to a filter press water storage tank.
[0025] During operation, the flue gas filtered by the smelting pulse bag filter flows into the flue gas inlet pipe. Inside the flue gas inlet pipe, atomizing sprayers spray water, which fully mixes with the flue gas. The flue gas then enters the mixing fan, where the impeller of the mixing fan causes the antimony-oxygen powder and water to fully mix. The resulting water-flue gas is then transported to the primary centrifugal separator via the water mist flue gas conveying pipe. The antimony-oxygen-containing water particles adhere to the inner wall of the primary centrifugal separator through centrifugal force, and then flow into the return pipe. The flue gas continues into the secondary centrifugal separator, where the antimony-oxygen-containing water particles adhere to the inner wall of the secondary centrifugal separator through centrifugal force, and then flow into the return pipe. The flue gas then continues into the tertiary centrifugal separator, where the antimony-oxygen-containing water particles adhere to the inner wall of the tertiary centrifugal separator through centrifugal force, and then flow into the return pipe.
[0026] The flue gas continues to rise to the water mist demister. The defoamed water droplets flow into the water droplet collection funnel, and the recovered product enters the return pipe, then flows into the return water collection tank. The antimony-containing water in the return water collection tank is pumped to the plate and frame filter press via an electromagnetic control valve linked to the plate and frame filter press pump. The antimony-containing product after filtration is recovered by the filter media recovery device. The filtration water from the plate and frame filter press flows into the filtration water storage tank through the filtrate return pipe. The water in the filtration water storage tank enters the atomizing spray pump through the spray inlet pipe, supplying water to the atomizing sprayers.
[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A baghouse exhaust gas antimony-oxygen recovery system, characterized in that: The system includes a flue gas inflow pipe, a spraying device for spraying water mist into the flue gas inflow pipe, a mixing fan, a water mist flue gas conveying pipe, a centrifugal separator, a return pipe, and a flue gas discharge pipe. The flue gas inflow pipe is connected to the air inlet of the mixing fan, the air outlet of the mixing fan is connected to the air inlet of the centrifugal separator through the water mist flue gas conveying pipe, the air outlet of the centrifugal separator is connected to the flue gas discharge pipe, and the return pipe is connected to the discharge end of the centrifugal separator.
2. The baghouse exhaust gas antimony-oxygen recovery system according to claim 1, characterized in that: The centrifugal separation device includes a primary centrifugal separator, a secondary centrifugal separator, and a tertiary centrifugal separator through which the water mist flue gas flows in sequence. The air inlet of the primary centrifugal separator is connected to the water mist flue gas conveying pipeline, and the air outlet of the tertiary centrifugal separator is connected to the flue gas discharge pipeline.
3. The baghouse exhaust gas antimony-oxygen recovery system according to claim 2, characterized in that: A water mist demister is installed horizontally inside the three-stage centrifugal separator near the air outlet.
4. The antimony-oxygen recovery system for baghouse exhaust gas according to claim 3, characterized in that: Below the water mist demister is a water droplet collection funnel connected to the return pipe.
5. The baghouse exhaust gas antimony-oxygen recovery system according to claim 4, characterized in that: It also includes a return water collection tank located at the discharge end of the return pipe.
6. The antimony-oxygen recovery system for baghouse exhaust gas according to claim 5, characterized in that: It also includes a filter press device, which includes a plate and frame filter press, a filter media recovery device, and a filter water storage tank. The inlet end of the plate and frame filter press is connected to the return water collection tank through a filter liquid inlet pipe, and the outlet end of the plate and frame filter press is connected to the filter water storage tank through a filter liquid return pipe. The filter media recovery device is connected to the outlet end of the plate and frame filter press.
7. The antimony-oxygen recovery system for baghouse exhaust gas according to claim 6, characterized in that: The filter press inlet pipeline is equipped with an electromagnetic control valve and a plate and frame filter press pump.
8. The antimony-oxygen recovery system for baghouse exhaust gas according to claim 7, characterized in that: The spraying device includes an atomizing sprayer and an atomizing spray water pump connected through a spray water inlet pipe, and the spray water inlet pipe is connected to a filter press water storage tank.