CN207203826U - A kind of secondary smoke desulfurizer - Google Patents

Abstract

The utility model discloses a two-stage flue gas desulfurization device, which comprises a tank body, a diffusion pipe, a support plate, a water tank, an atomizing nozzle, a partition, and intubation pipes distributed along the partition with a number of not less than 2 pieces, Outlet pipe, liquid inlet pipe, elbow, detection pipe, liquid level sensor, pH sensor, the flue gas is passed into the diffusion pipe through the flue gas inlet pipe, because the diameter of the diffusion part arranged on the diffusion pipe is smaller than that As the diameter becomes larger, the speed of the flue gas falling through the diffuser decreases, and the liquid medicine is pumped into the water tank through the main water inlet pipe. Enter the intubation tube, pump the liquid medicine into the tank through the liquid inlet pipe, and the flue gas sprayed out through the intubation fully reacts with the liquid medicine and then is discharged through the air outlet pipe, thereby completing the desulfurization purification. The structure of the device is simple, and the first desulfurization is carried out by atomizing the liquid medicine and the flue gas, and the flue gas after the first desulfurization is passed into the liquid medicine for the second desulfurization, so that the flue gas desulfurization is uniform and thorough, and the desulfurization effect is good.

Description

A two-stage flue gas desulfurization device

technical field

The utility model relates to a mechanical device, in particular to a secondary flue gas desulfurization device.

Background technique

With the development of industry and the improvement of people's living standards, the thirst for energy is also increasing. SO2 in coal-fired flue gas has become the main cause of air pollution. Reducing SO2 pollution has become the top priority of today's atmospheric environment governance. Many smokers The gas desulfurization process has been widely used in industry. Among them, the wet desulfurization technology is widely used because of its mature technology and simple process. The process of wet desulfurization is generally as follows: the flue gas is directly passed into the alkaline The neutralization reaction can be carried out in the desulfurization irrigation of the liquid medicine. After the reaction solution is filtered, it is circulated and pumped into the desulfurization tower for neutralization reaction, and the liquid medicine is replenished according to the pH value until the desulfurization is completed. Since the flue gas is directly passed into the alkaline medicine When liquid desulfurization occurs, it is easy to produce local uneven desulfurization, resulting in low desulfurization efficiency. In view of the above defects, it is necessary to design a secondary flue gas desulfurization device.

Utility model content

The technical problem to be solved by the utility model is to provide a two-stage flue gas desulfurization device to solve the problem that partial desulfurization is easy to be uneven when the flue gas is directly fed into the alkaline liquid for desulfurization.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a two-stage flue gas desulfurization device, including a tank body, a diffusion pipe, a support plate, a water tank, and no less than 2 atomizers evenly distributed along the water tank. Nozzles, partitions, intubation tubes distributed along the partitions in numbers of not less than 2 pieces, air outlet pipes, liquid inlet pipes, elbows, detection tubes, liquid level sensors, pH sensors, and the diffusion pipes are located in the tank body On the inner side, the diffuser pipe is connected to the tank body by welding, the support plate is located inside the tank body and at the lower end of the diffuser tube, the support plate is welded to the tank body, the water tank is located on the upper end of the support plate, and the The water tank is threadedly connected with the support plate, the atomizing nozzle is located at the upper end of the water tank and at the lower end of the diffusion pipe, the atomizing nozzle is threadedly connected with the water tank, the partition plate is located inside the tank body and at the lower end of the support plate, the The clapboard is connected to the tank body by welding, the intubation tube runs through the clapboard, the intubation tube is connected to the clapboard by welding, the air outlet pipe is located outside the tank body and at the lower end of the clapboard, and the air outlet pipe It is connected to the tank by welding, the liquid inlet pipe is located at the lower end of the tank body, the liquid inlet pipe is connected to the tank body by welding, the elbow is located at the lower end of the tank body, and the elbow is welded to the tank body connected, the detection tube is located at the upper end of the elbow, the detection tube is connected to the elbow thread, one end of the liquid level sensor extends into the detection tube, the liquid level sensor is connected to the detection pipe thread, the One end of the pH sensor extends into the detection tube, and the pH sensor is threadedly connected with the detection tube.

Further improvement of the utility model is as follows:

Further, the tank body is also provided with a flue gas inlet pipe, which is located at the upper end of the tank body, and the flue gas inlet pipe is connected to the tank body by welding.

Further, the tank body is also provided with a sewage discharge pipe, the sewage discharge pipe is located at the lower end of the tank body, and the sewage discharge pipe is connected to the tank body by welding.

Further, the tank body is also provided with a cleaning pipe, the cleaning pipe is located at the lower end of the tank body, the cleaning pipe is connected to the tank body by welding, and clean water is pumped into the tank body through the cleaning pipe, thereby cleaning the bottom of the tank body. Clean up.

Further, the diffusion pipe is further provided with a diffusion part, the diffusion part is located at the upper end of the diffusion pipe and the lower end of the flue gas inlet pipe, and the diffusion part is integrally connected with the diffusion pipe and connected with the flue gas inlet pipe by welding.

Further, the water tank is also provided with a water inlet main pipe, which is located at the lower end of the water tank and runs through the tank body, and the water inlet main pipe is threadedly connected with the water tank and welded with the tank body.

Further, the detection tube is made of transparent acrylic.

Compared with the prior art, the two-stage flue gas desulfurization device, when working, passes the flue gas into the diffusion pipe through the flue gas inlet pipe, because the diameter of the diffusion part arranged on the diffusion pipe is smaller than the diameter of the flue gas inlet pipe Therefore, the speed of the flue gas falling through the diffusion part is reduced, and the liquid medicine is pumped into the water tank through the water inlet pipe, and the liquid medicine is atomized and sprayed out through the atomizing nozzle, and the atomized liquid medicine is fully combined with the smoke Enter the intubation tube, pump the liquid medicine into the tank through the liquid inlet pipe, and the flue gas sprayed out through the intubation fully reacts with the liquid medicine and then is discharged through the outlet pipe to complete the desulfurization purification. Since the detection tube communicates with the cavity of the tank body, The liquid level sensor and the pH sensor arranged on the detection tube can detect the liquid level height in the tank and the pH value of the liquid medicine in real time. The structure of the device is simple, and the first desulfurization is carried out by atomizing the liquid medicine and the flue gas, and the flue gas after the first desulfurization is passed into the liquid medicine for the second desulfurization, so that the flue gas desulfurization is uniform and thorough, and the desulfurization effect is good.

Description of drawings

Fig. 1 shows the front view of the utility model

Tank 1 Diffuser 2

Support plate 3 Water tank 4

Atomizing nozzle 5 Partition 6

Intubation Tube 7 Outlet Tube 8

Inlet tube 9 Elbow 10

Sense tube 11 Liquid level sensor 12

PH sensor 13 Flue gas inlet pipe 101

Sewage pipe 102 Cleaning pipe 103

Diffuser 201 Inlet manifold 401

Detailed ways

As shown in Figure 1, a two-stage flue gas desulfurization device includes a tank body 1, a diffusion pipe 2, a support plate 3, a water tank 4, and atomizing nozzles 5 that are evenly distributed along the water tank 4 in numbers of not less than 2, Partition 6, intubation tube 7, air outlet pipe 8, liquid inlet pipe 9, elbow 10, detection pipe 11, liquid level sensor 12, PH sensor 13, the intubation tube 7 of not less than 2 pieces evenly distributed along the said partition 6, all The diffusion pipe 2 is located inside the tank body 1, the diffusion pipe 2 is connected to the tank body 1 by welding, the support plate 3 is located inside the tank body 1 and at the lower end of the diffusion pipe 2, and the support plate 3 is connected to the tank body 1. The body 1 is connected by welding, the water tank 4 is located at the upper end of the support plate 3, the water tank 4 is threadedly connected with the support plate 3, the atomizing nozzle 5 is located at the upper end of the water tank 4 and at the lower end of the diffusion pipe 2, and the mist The spray head 5 is threadedly connected with the water tank 4, the partition 6 is located inside the tank 1 and at the lower end of the support plate 3, the partition 6 is connected to the tank 1 by welding, and the intubation tube 7 runs through the partition 6 , the intubation tube 7 is connected to the partition 6 by welding, the gas outlet pipe 8 is located outside the tank 1 and at the lower end of the partition 6, the gas outlet pipe 8 is connected to the tank 1 by welding, and the liquid inlet The pipe 9 is located at the outer lower end of the tank body 1, the liquid inlet pipe 9 is connected to the tank body 1 by welding, the elbow 10 is located at the outer lower end of the tank body 1, and the elbow 10 is welded to the tank body 1. The detection tube 11 is located at the upper end of the elbow 10, the detection tube 11 is threadedly connected with the elbow 10, one end of the liquid level sensor 12 extends into the detection tube 11, and the liquid level sensor 12 is threaded with the detection tube 11. One end of the PH sensor 13 extends into the detection pipe 11, the PH sensor 13 is threadedly connected with the detection pipe 11, the tank 1 is also provided with a flue gas inlet pipe 101, and the flue gas inlet pipe 101 is located at the upper end of the tank body 1, and the flue gas inlet pipe 101 is connected to the tank body 1 by welding, and the tank body 1 is also provided with a sewage discharge pipe 102, and the sewage discharge pipe 102 is located at the lower end of the tank body 1. The sewage pipe 102 is connected to the tank body 1 by welding. The tank body 1 is also provided with a cleaning pipe 103. The cleaning pipe 103 is located at the lower end of the tank body 1. The cleaning pipe 103 is connected to the tank body 1 by welding. The pipe 103 pumps clean water into the tank body 1 to clean the bottom of the tank body 1. The diffusion pipe 2 is also provided with a diffusion part 201. The diffusion part 201 is located at the upper end of the diffusion 101 lower end, the diffuser 201 is integrally connected with the diffuser pipe 2 and connected with the flue gas inlet pipe 101 by welding, the water tank 4 is also provided with a water inlet main pipe 401, and the water inlet main pipe 401 is located at the lower end of the water tank 4 and Through the tank body 1, the water inlet main pipe 401 is threadedly connected to the water tank 4 and connected to the tank body 1 by welding. The material of the detection tube 11 is transparent acrylic. The secondary flue gas desulfurization device, when working, passes through the flue gas The inlet pipe 101 passes the flue gas into the diffuser pipe 2. Since the diameter of the diffuser 201 arranged on the diffuser 2 is larger than the diameter of the flue gas inlet pipe 101, the velocity of the flue gas falling through the diffuser 201 is reduced. Influent The main pipe 401 pumps the liquid medicine into the water tank 4, and the liquid medicine is atomized and sprayed out through the atomizing nozzle 5. After the atomized liquid medicine is fully combined with the flue gas, it enters the intubation tube 7, and flows into the tank body 1 through the liquid inlet pipe 9. The liquid is pumped inside, and the flue gas sprayed out through the intubation tube 7 fully reacts with the liquid and then discharged through the outlet pipe 8, thereby completing desulfurization and purification. Since the detection tube 11 communicates with the cavity of the tank body 1, it is installed The liquid level sensor 12 and the pH sensor 13 on the top can detect the liquid level height and the pH value of the medicinal solution in the tank body 1 in real time. The structure of the device is simple, and the first desulfurization is carried out by atomizing the liquid medicine and the flue gas, and the flue gas after the first desulfurization is passed into the liquid medicine for the second desulfurization, so that the desulfurization of the flue gas is uniform and thorough, and the desulfurization effect is good.

The utility model is not limited to the above-mentioned specific implementation manners, and various transformations made by those skilled in the art starting from the above-mentioned ideas without creative work all fall within the protection scope of the utility model.

Claims (7)

1. A secondary flue gas desulfurization device, characterized in that it includes a tank body, a diffuser pipe, a support plate, a water tank, an atomizing nozzle that is evenly distributed along the water tank, a partition, and a partition along the partition. There are not less than 2 pieces of intubation tubes, air outlet pipes, liquid inlet pipes, elbows, detection pipes, liquid level sensors, and pH sensors evenly distributed on the board. The body is welded and connected, the support plate is located inside the tank body and at the lower end of the diffusion tube, the support plate is connected to the tank body by welding, the water tank is located at the top of the support plate, and the water tank is connected to the support plate by threads. The atomizing nozzle is located at the upper end of the water tank and at the lower end of the diffusion pipe, the atomizing nozzle is connected to the water tank with threads, the partition is located inside the tank and at the lower end of the support plate, and the partition is connected to the tank by welding , the intubation tube runs through the partition, the intubation tube is connected to the partition by welding, the gas outlet pipe is located outside the tank and at the lower end of the partition, the gas outlet pipe is connected to the tank by welding, the The liquid inlet pipe is located at the outer lower end of the tank body, the liquid inlet pipe is welded and connected to the tank body, the elbow is located at the outer lower end of the tank body, the elbow is connected to the tank body by welding, and the detection tube is located at the elbow On the upper end of the head, the detection tube is connected to the elbow thread, one end of the liquid level sensor is inserted into the detection tube, the liquid level sensor is connected to the detection tube thread, and one end of the pH sensor is inserted into the detection tube. The pH sensor mentioned above is connected with the detection pipe thread. 2. The secondary flue gas desulfurization device as claimed in claim 1, characterized in that the tank body is also provided with a waste gas inlet pipe, the waste gas inlet pipe is located at the upper end of the tank body, and the waste gas inlet pipe is connected to the tank body. The body is welded together. 3. The secondary flue gas desulfurization device as claimed in claim 1, characterized in that the tank body is also provided with a blowdown pipe, the blowdown pipe is located at the lower end of the tank body, and the blowdown pipe is connected to the tank body by welding . 4. The secondary flue gas desulfurization device as claimed in claim 1, characterized in that the tank body is also provided with a cleaning pipe, the cleaning pipe is located at the lower end of the tank body, and the cleaning pipe is connected to the tank body by welding . 5. The secondary flue gas desulfurization device according to claim 1 or 2, characterized in that the diffusion pipe is further provided with a diffusion part, and the diffusion part is located at the upper end of the diffusion pipe and at the lower end of the waste gas inlet pipe, and the The diffuser is integrally connected with the diffuser pipe and welded with the exhaust gas inlet pipe. 6. The secondary flue gas desulfurization device according to claim 1, characterized in that said water tank is also provided with a water inlet main pipe, said water inlet main pipe is located at the lower end of the water tank and runs through the tank body, said water inlet main pipe It is connected with the thread of the water tank and connected with the tank body by welding. 7. The secondary flue gas desulfurization device according to claim 1, characterized in that the detection tube is made of transparent acrylic.