Flue gas white smoke elimination and particulate matter synergistic removal device

Abstract

The utility model relates to the technical field of flue gas treatment, in particular to a flue gas white smoke elimination and particulate matter collaborative removal device which comprises a dust removal box body, a dust removal mechanism is arranged in the dust removal box body, and the dust removal mechanism comprises a water inlet pump, a water inlet pipeline, a flow division pipeline, an atomization nozzle, a dust removal plate and a dust removal net. A smoke inlet pipeline is fixedly connected to the left side surface of the dust removal box body, a desulfurization box body is fixedly connected to the right side of the dust removal box body, a condensation box body is fixedly connected to the upper side of the desulfurization box body, a heating box body is fixedly connected to the right side of the desulfurization box body, and a smoke exhaust pipe is fixedly connected to the right side of the heating box body; the dust removal net adsorbs and blocks particle dust in flue gas, meanwhile, the atomization nozzle atomizes a water source and then sprays the water source out at a high speed, the particle dust in the flue gas is adsorbed, the particle dust on the surface of the dust removal net is washed, the dust removal efficiency is improved, meanwhile, the smoothness of the dust removal net is kept, and the optimal smoke exhaust effect of the dust removal net is conveniently kept. Further, the flue gas treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, in particular to a flue gas whitening and particulate matter collaborative removal device. Background Art

[0002] Coal has always been the main primary energy source in my country, accounting for about 60% of the total primary energy consumption in my country. Coal-fired boilers, as the main equipment for coal combustion and utilization, are widely used in thermal power plants, petroleum refining and coking industries; during their operation, they will cause a large amount of particulate matter, SOx, NOx and other pollutants to be emitted, so the emitted flue gas needs to be treated.

[0003] Among them, announcement number CN212456937U discloses a flue gas whitening and particulate matter collaborative removal device, including: a flue gas heater, a flue gas condenser, an air cooler, and a desulfurization tower; wherein, the flue gas outlet at the hot end of the flue gas heater is connected to the inlet of the desulfurization tower, the outlet of the desulfurization tower is connected to the flue gas side inlet of the flue gas condenser, and a water outlet is arranged at the bottom of the flue gas side outlet of the flue gas condenser; the flue gas side outlet of the flue gas condenser is connected to the flue gas inlet at the cold end of the flue gas heater, the desalted water tank is connected to the water pump inlet, and the water pump outlet is connected to the desalted water side inlet of the flue gas condenser. The desalted water side outlet of the flue gas condenser is connected to the desalted water side inlet of the air condenser, and the desalted water side outlet of the air condenser is connected to the desalted water tank. The utility model can realize the formation of white smoke from the flue gas of a coal-fired boiler while removing particulate matter from the flue gas, and realize the condensation and recovery of water vapor in the flue gas.

[0004] During the flue gas treatment process, the device first removes particulate matter in the flue gas through a dust collector, and then desulfurizes the flue gas through a flue gas heater, a desulfurization tower and a flue gas condenser. Due to the large amount of particulate matter in the flue gas, it is easy to cause blockage inside the dust collector during long-term use, which in turn causes blockage of the flue gas outlet, reducing the speed of flue gas emission and reducing the efficiency of flue gas treatment.

[0005] Therefore, it is necessary to invent a flue gas whitening and particulate matter collaborative removal device to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a flue gas de-whitening and particulate matter collaborative removal device to solve the problem in the technology that due to the large amount of particulate matter in the flue gas, the inside of the dust collector is easily blocked during long-term use, which in turn leads to blockage of the flue gas discharge port, thereby reducing the speed of flue gas emission and reducing the efficiency of flue gas treatment.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for collaborative removal of flue gas whitening and particulate matter, comprising a dust removal box, a dust removal mechanism is arranged inside the dust removal box, the dust removal mechanism comprises a water inlet pump, a water inlet pipe, a diversion pipe, an atomizing nozzle, a dust removal plate and a dust removal net, the left surface of the dust removal box is fixedly connected with a smoke inlet pipe, the right side of the dust removal box is fixedly connected with a desulfurization box, the upper side of the desulfurization box is fixedly connected with a condensation box, the right side of the desulfurization box is fixedly connected with a heating box, and the right side of the heating box is fixedly connected with a smoke exhaust pipe.

[0008] By adopting the above technical scheme, the dust removal net inside the dust removal box absorbs the particulate matter in the flue gas, and at the same time, the atomizing nozzle sprays high-pressure water mist to absorb the particulate dust in the flue gas, thereby improving the treatment efficiency of the particulate dust. At the same time, the particulate dust absorbed on the surface of the dust removal net is flushed to prevent the particulate dust from being adsorbed on the surface of the dust removal net for a long time, thereby effectively improving the smoothness of the dust removal net, cooling the flue gas, desulfurizing the flue gas through the desulfurization box, further cooling the flue gas through the condensation box, and then heating the flue gas through the heating box to achieve the whitening of the flue gas.

[0009] Optionally, the water inlet pump is fixedly installed on the upper surface of the dust removal box, the water inlet pipe is fixedly connected to the inner top wall of the dust removal box, and the left end of the water inlet pipe is fixedly connected to the water outlet of the water inlet pump.

[0010] By adopting the above technical solution, the water inlet pump is used to transport water to the inside of the water inlet pipe.

[0011] Optionally, a plurality of groups of diversion pipes are fixedly connected to the side of the water inlet pipe, and an end of the diversion pipe away from the water inlet pipe is fixedly connected to an atomizing nozzle.

[0012] By adopting the above technical solution, the atomizing nozzle is used to atomize the water source and spray it outward at high pressure to absorb the particulate dust in the flue gas.

[0013] Optionally, two groups of dust removal plates are provided, both groups of dust removal plates are fixedly connected to the inner wall of the dust removal box, the surface of the dust removal plates is fixedly connected to a dust removal net, and the inner bottom wall of the dust removal box is fixedly connected to a drainage pipe.

[0014] By adopting the above technical solution, the dust removal net is used to filter and adsorb particulate dust in the flue gas.

[0015] Optionally, an exhaust port is opened on the left side of the desulfurization box, and a first connecting pipe is fixedly connected to the front side of the desulfurization box.

[0016] By adopting the above technical solution, the flue gas after the particulate dust is removed enters the interior of the desulfurization box through the exhaust port for desulfurization treatment.

[0017] Optionally, one end of the first connecting pipe away from the desulfurization box is fixedly connected to the front surface of the condensation box, and the upper surface of the condensation box is fixedly connected to the second connecting pipe.

[0018] By adopting the above technical solution, the flue gas after desulfurization is transported to the interior of the condensation box through the first connecting block, and the flue gas is cooled.

[0019] Optionally, one end of the second connecting pipe away from the condensing box is fixedly connected to the upper surface of the heating box.

[0020] By adopting the above technical solution, the flue gas after cooling is transported to the interior of the heating box through the second connecting pipe, the flue gas is heated and de-bleached, and the de-bleached flue gas is discharged through the exhaust pipe.

[0021] Optionally, support columns are fixedly connected to the bottoms of the dust removal box, the desulfurization box, and the heating box.

[0022] By adopting the above technical solution, the support columns support the dust removal box, the desulfurization box and the heating box.

[0023] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0024] 1. The utility model uses a dust removal net to absorb and block the particulate dust inside the flue gas, and at the same time, a water inlet pump conveys water to the inside of the water inlet pipe, and sprays high-pressure mist through multiple groups of atomizing nozzles. The mist absorbs the dust in the flue gas and at the same time flushes the surface of the dust removal net to prevent the dust from being adsorbed on the surface of the dust removal net for a long time, thereby improving the dust removal efficiency and smoke exhaust speed, and further improving the flue gas treatment efficiency, and solving the problem that due to the large amount of particulate matter in the flue gas, the dust collector is easily blocked during long-term use, which then leads to blockage of the flue gas discharge port, which reduces the smoke emission speed and also reduces the efficiency of smoke treatment.

[0025] 2. The utility model sprays water mist through a high-pressure nozzle, which can effectively cool the flue gas while absorbing the particulate dust in the flue gas, so that the condensation box can quickly reduce the flue gas to a specified temperature, effectively improve the cooling speed of the condensation box, and reduce the energy consumption of the condensation box. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the dust removal box structure of the utility model;

[0028] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the dust removal mechanism structure of the utility model;

[0030] Figure 5 This is a schematic diagram of the condensation box structure of the utility model.

[0031] Description of reference numerals:

[0032] 1. Dust removal box; 11. Smoke inlet pipe; 12. Water inlet pump; 13. Water inlet pipe; 14. Diversion pipe; 15. Atomizing nozzle; 16. Dust removal plate; 17. Dust removal net; 18. Drainage pipe; 19. Support column; 2. Desulfurization box; 21. Exhaust port; 22. First connecting pipe; 3. Condensation box; 31. Second connecting pipe; 4. Heating box; 5. Smoke exhaust pipe. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] The utility model provides Figures 1 to 4 The device for removing white smoke and particulate matter in coordination as shown in the figure comprises a dust removal box 1, a dust removal mechanism is arranged inside the dust removal box 1, the dust removal mechanism comprises a water inlet pump 12, a water inlet pipe 13, a diversion pipe 14, an atomizing nozzle 15, a dust removal plate 16 and a dust removal net 17, a smoke inlet pipe 11 is fixedly connected to the left surface of the dust removal box 1, the water inlet pump 12 is fixedly installed on the upper surface of the dust removal box 1, and the water inlet pipe 13 is fixedly connected to the inner top wall of the dust removal box 1. The left end of the water inlet pipe 13 is fixedly connected to the water outlet of the water inlet pump 12, and a plurality of groups of diversion pipes 14 are fixedly connected to the side of the water inlet pipe 13. The end of the diversion pipe 14 away from the water inlet pipe 13 is fixedly connected to an atomizing nozzle 15. Two groups of dust removal plates 16 are provided, and both groups of dust removal plates 16 are fixedly connected to the inner wall of the dust removal box 1. A dust removal net 17 is fixedly connected to the surface of the dust removal plate 16, and a drainage pipe 18 is fixedly connected to the inner bottom wall of the dust removal box 1.

[0035] Among them, the smoke after combustion is transported to the interior of the dust removal box 1 through the smoke inlet pipe 11. During the circulation of the smoke, the dust removal net 17 blocks and adsorbs the particulate dust in the smoke. At the same time, the water inlet pump 12 pumps water to the inside of the water inlet pipe 13, and the water source is atomized through the atomizing nozzle 15 and sprayed out at high speed to adsorb the particulate dust in the smoke. At the same time, the particulate dust on the surface of the dust removal net 17 is washed, and the waste water is discharged to the outside through the drainage pipe 18.

[0036] In addition, during the flue gas treatment process, water mist is used to cool the flue gas for the first time.

[0037] See also Figure 1 and Figure 5 The right side of the dust removal box 1 is fixedly connected to the desulfurization box 2, the upper side of the desulfurization box 2 is fixedly connected to the condensation box 3, the right side of the desulfurization box 2 is fixedly connected to the heating box 4, the right side of the heating box 4 is fixedly connected to the smoke exhaust pipe 5, the bottoms of the dust removal box 1, the desulfurization box 2 and the heating box 4 are fixedly connected to the support column 19, the left side of the desulfurization box 2 is provided with an exhaust port 21, the front side of the desulfurization box 2 is fixedly connected to the first connecting pipe 22, the end of the first connecting pipe 22 away from the desulfurization box 2 is fixedly connected to the front side surface of the condensation box 3, the upper side surface of the condensation box 3 is fixedly connected to the second connecting pipe 31, the end of the second connecting pipe 31 away from the condensation box 3 is fixedly connected to the upper surface of the heating box 4.

[0038] At the same time, after the flue gas is treated, it is sent into the interior of the desulfurization box 2 through the exhaust port 21 for desulfurization treatment, and then the desulfurized flue gas is transported to the interior of the condensation box 3 through the first connecting pipe 22. The condensation box 3 performs a secondary cooling treatment on the flue gas to reduce the flue gas inside the condensation box 3 to a specified temperature, and then it is transported to the interior of the heating box 4 through the second connecting pipe 31 for high-temperature desulfurization of the flue gas.

[0039] Working principle of the utility model: in order to improve the efficiency of flue gas treatment, the dust particles in the flue gas are adsorbed and blocked by the dust removal net 17, and at the same time, the atomizing nozzle 15 atomizes the water source and sprays it out at high speed to adsorb the dust particles in the flue gas, and at the same time, the dust particles on the surface of the dust removal net 17 are washed to improve the dust removal efficiency, while keeping the dust removal net 17 unobstructed, so as to maintain the best smoke exhaust effect, thereby improving the flue gas treatment efficiency.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A flue gas whitening and particulate matter removal device, comprising a dust removal box (1), characterized in that: A dust removal mechanism is arranged inside the dust removal box (1), and the dust removal mechanism comprises a water inlet pump (12), a water inlet pipe (13), a diversion pipe (14), an atomizing nozzle (15), a dust removal plate (16) and a dust removal net (17); the left surface of the dust removal box (1) is fixedly connected to a smoke inlet pipe (11); the right side of the dust removal box (1) is fixedly connected to a desulfurization box (2); the upper side of the desulfurization box (2) is fixedly connected to a condensation box (3); the right side of the desulfurization box (2) is fixedly connected to a heating box (4); and the right side of the heating box (4) is fixedly connected to a smoke exhaust pipe (5).

2. The device for collaboratively removing flue gas whitening and particulate matter according to claim 1 is characterized in that: The water inlet pump (12) is fixedly mounted on the upper surface of the dust removal box (1), the water inlet pipe (13) is fixedly connected to the inner top wall of the dust removal box (1), and the left end of the water inlet pipe (13) is fixedly connected to the water outlet of the water inlet pump (12).

3. A flue gas whitening and particulate matter collaborative removal device according to claim 2, characterized in that: A plurality of groups of flow distribution pipes (14) are fixedly connected to the side of the water inlet pipe (13), and an end of the flow distribution pipe (14) away from the water inlet pipe (13) is fixedly connected to an atomizing nozzle (15).

4. The device for collaboratively removing flue gas whitening and particulate matter according to claim 3 is characterized in that: Two groups of dust removal plates (16) are provided, and both groups of dust removal plates (16) are fixedly connected to the inner wall of the dust removal box (1), the surface of the dust removal plate (16) is fixedly connected to a dust removal net (17), and the inner bottom wall of the dust removal box (1) is fixedly connected to a drainage pipe (18).

5. The device for collaboratively removing flue gas whitening and particulate matter according to claim 1 is characterized in that: An exhaust port (21) is provided on the left side of the desulfurization box (2), and a first connecting pipe (22) is fixedly connected to the front side of the desulfurization box (2).

6. The device for collaboratively removing flue gas whitening and particulate matter according to claim 5, characterized in that: One end of the first connecting pipe (22) away from the desulfurization box (2) is fixedly connected to the front surface of the condensation box (3), and the upper surface of the condensation box (3) is fixedly connected to the second connecting pipe (31).

7. The device for collaboratively removing flue gas whitening and particulate matter according to claim 6 is characterized in that: One end of the second connecting pipe (31) away from the condensing box (3) is fixedly connected to the upper surface of the heating box (4).

8. The device for collaboratively removing flue gas whitening and particulate matter according to claim 1 is characterized in that: Support columns (19) are fixedly connected to the bottoms of the dust removal box (1), the desulfurization box (2), and the heating box (4).

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