Tower type flue gas desulfurization and denitrification equipment

Abstract

The invention discloses tower-type flue gas desulfurization and denitrification equipment, and belongs to the technical field of waste gas treatment, the tower-type flue gas desulfurization and denitrification equipment comprises a tower body, the top of the tower body is fixedly connected with a spraying device, the bottom of the tower body is fixedly connected with an adsorption liquid collecting device, and the left side of the tower body is provided with a plurality of drying and condensing devices; an adsorption liquid blending pool is fixedly connected to the rear portions of the multiple drying condensation devices, a liquid suction pump is fixedly connected to the bottom of the adsorption liquid blending pool and communicates with the spraying device through a first connecting pipe, and an air inlet mechanism is fixedly connected to the bottom of the tower body and communicates with the air inlet mechanism through a second connecting pipe. Heat in high-temperature waste gas is recycled through the drying and condensing equipment, adsorption liquid reacted with the waste gas is dried, inorganic salt in the adsorption liquid is separated out, water resources are recycled, and recycling of the inorganic salt and recycling of the water resources can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of waste gas treatment, and in particular to a tower type flue gas desulfurization and denitrification equipment. Background Art

[0002] Flue gas desulfurization and denitrification technology is a boiler flue gas purification technology used in the chemical industry, mainly used to remove nitrogen oxides (NO x ) and sulfur oxides (SO x ). These pollutants are one of the main sources of air pollution, so the application of this technology has many benefits for environmental air purification.

[0003] The effect of alkaline solution in exhaust gas denitrification is mainly reflected in its ability to chemically react with sulfur dioxide (SO2) and nitrogen oxides (NOx) in flue gas, thereby achieving the purpose of reducing the emission of these pollutants. As a desulfurizer, alkaline solution can effectively remove sulfur dioxide (SO 2 ). In practical applications, for example, the desulfurization efficiency of sodium bicarbonate solution can reach more than 98%.

[0004] Existing equipment for desulfurization and denitrification of waste gas using alkaline solutions will waste a large amount of water resources, and the efficiency of desulfurization and denitrification is not high. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a tower type flue gas desulfurization and denitrification equipment.

[0006] The technical solution of the present invention is: a tower-type flue gas desulfurization and denitrification equipment, comprising a tower body, the top of the tower body is fixedly connected with a spray device, the bottom of the tower body is fixedly connected with an adsorption liquid collecting device, a plurality of drying and condensing devices are arranged on the left side of the tower body, an adsorption liquid preparation tank is fixedly connected to the rear of the plurality of drying and condensing devices, a suction pump is fixedly connected to the bottom of the adsorption liquid preparation tank, the suction pump is connected to the spray device through a connecting pipe 1, and an air intake mechanism is fixedly connected to the bottom of the tower body;

[0007] The drying and condensing equipment includes a condensing mechanism, a waste liquid evaporation tank is fixedly connected to the bottom of the condensing mechanism, a waste gas bin is fixedly connected to the outside of the waste liquid evaporation tank, the left front side of the waste gas bin is connected to the waste gas main pipe through a pipeline, the right top of the waste gas bin is fixedly connected to an air intake pipe, the top of the air intake pipe is fixedly connected to the air intake mechanism, a slag discharge mechanism is provided in the waste liquid evaporation tank, and the condensing mechanism is fixedly connected to the top of the waste liquid evaporation tank.

[0008] Description: The drying and condensing equipment recovers the high temperature of the waste gas and evaporates the waste liquid. After the water in the waste liquid evaporates, the inorganic salts precipitate and crystallize, and are discharged through the slag discharge mechanism, thereby recycling water resources.

[0009] Furthermore, the adsorption liquid collecting device comprises a conical disk, the outer side of the conical disk is fixedly connected to the inner wall of the tower body, the bottom of the conical disk is fixedly connected to a second connecting pipe, and the lower end of the second connecting pipe passes through the left side of the tower body.

[0010] Note: The atomized adsorption liquid reacts with the rising exhaust gas after it descends, and the generated waste liquid is collected by the conical disk and then discharged through connecting pipe 2.

[0011] Furthermore, the condensation mechanism includes a V-shaped condensation tank, a collecting pipe is fixedly connected to the upper left side of the V-shaped condensation tank, the collecting pipe is fixedly connected to the connecting pipe 2, a liquid outlet is provided on the right side of the V-shaped condensation tank, a condensation liquid tank is fixedly connected to the top of the waste liquid evaporation tank, the rear of the condensation liquid tank passes through the waste gas bin, a reflux tank is provided below the condensation liquid tank for discharging the condensate into the adsorption liquid preparation tank, and the reflux tank is fixedly connected to the bottom of the waste liquid evaporation tank.

[0012] Description: The evaporated water vapor encounters the V-shaped condensation tank and condenses. The waste liquid in the V-shaped condensation tank can cool the V-shaped condensation tank. The heat of the water vapor is transferred to the waste liquid in the V-shaped condensation tank to preheat the waste liquid and improve the heat recovery efficiency of the high-temperature exhaust gas.

[0013] Furthermore, the slag discharge mechanism includes a slag discharge motor, which is fixedly connected to the left end of the waste liquid evaporation tank. A spiral discharge rod is transmission-connected to the output shaft of the slag discharge motor, and a discharge port is provided at the lower left side of the waste liquid evaporation tank.

[0014] Note: The precipitated inorganic salt crystals are discharged from the lower left side of the waste liquid evaporation tank through the spiral discharge rod in the slag discharge mechanism.

[0015] Furthermore, the air intake mechanism includes a circular pipe 1 and a circular pipe 2, a plurality of short pipes 1 are fixedly connected between the circular pipe 1 and the circular pipe 2, a plurality of short rods are fixedly connected between the outer side of the circular pipe 2 and the inner wall of the tower body, an air intake interface is provided at the left end of the circular pipe 2, the air intake interface is fixedly connected with the air intake pipe, and a plurality of exhaust ports are provided above the circular pipe 1, the circular pipe 2 and the short pipe 1.

[0016] Note: The above-mentioned air intake mechanism can effectively and evenly disperse the exhaust gas inside the tower body.

[0017] Furthermore, the spray device includes an atomization bin, which is fixedly connected to the outer wall of the tower body, an atomization pipe is provided on the top right side of the atomization bin, an ultrasonic oscillation plate is provided in the atomization bin, an exhaust fan is fixedly connected to the middle part of the atomization pipe, a spray bin is fixedly connected to the right end of the atomization pipe, the outer wall of the spray bin is fixedly connected to the tower body, a spray port is provided on the lower surface of the spray bin, a plurality of through pipes for exhaust gas to pass through are provided in the spray bin, the upper end of the through pipe is connected to the upper part of the spray bin, and the lower part of the through pipe is connected to the lower part of the spray bin.

[0018] Description: The adsorption liquid is atomized by the ultrasonic oscillator. The contact area between the atomized adsorption liquid and the exhaust gas is larger, which can effectively improve the reaction efficiency with the exhaust gas.

[0019] Furthermore, the adsorption liquid preparation tank includes a tank body, a cover plate is fixedly connected to the left top of the tank body, an adsorbent delivery device and a stirring motor are fixedly connected to the cover plate, a stirring rod is transmission-connected to the output shaft of the stirring motor, and a pH detector is provided at the bottom of the tank body.

[0020] Note: The concentration of the adsorption liquid is controlled within a certain range through the adsorption liquid preparation pool, and the adsorbent is quantitatively added through the adsorbent delivery equipment. The pH value detected by the pH detector can be used as a reference for preparing the concentration of the alkaline solution.

[0021] Furthermore, the adsorbent delivery equipment includes a silo, the bottom of which is fixedly connected to the cover plate, a discharge pipe is provided at the bottom of the silo, a discharge motor is fixedly connected to the top of the silo, the output shaft of the discharge motor is transmission-connected to a spiral discharge rod, and the end of the spiral discharge rod passes through the cover plate and communicates with the interior of the pool body.

[0022] Description: The unloading motor drives the spiral unloading rod to unload materials automatically.

[0023] Furthermore, an air filter cloth is provided above the tower body, a drain pipe is fixedly connected to the left wall of the tower body at the top of the spray bin, a reflux pipe is connected below the drain pipe, and the end of the reflux pipe is fixedly connected to the top of the atomization bin.

[0024] Note: The rising exhaust gas will carry part of the atomized adsorbent out of the pipe to the top of the spraying bin. The filter cloth will intercept the atomized adsorbent to form droplets that fall to the top of the spraying bin. The adsorbent that falls on the top of the spraying bin will flow back to the atomization bin through the drain pipe.

[0025] The beneficial effects of the present invention are:

[0026] (1) The present invention recovers the heat in the high-temperature exhaust gas through the drying and condensing equipment, dries the adsorption liquid after reacting with the exhaust gas, precipitates the inorganic salt in the adsorption liquid, and recovers the water resources, thereby achieving the recycling of inorganic salts and water resources.

[0027] (2) The present invention uses an alkaline solution as an adsorbent, and atomizes the alkaline solution to react with the exhaust gas. The atomized alkaline solution has a large contact area with the exhaust gas, which accelerates the reaction efficiency and can effectively react with SO 2 , HS gas and nitrogen oxides NO in exhaust gas x The reaction is produced, and the present invention has the characteristics of low energy consumption and high efficiency desulfurization and denitrification. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of the present invention.

[0029] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0030] Figure 3 It is a cross-sectional view of the drying and condensing equipment of the present invention.

[0031] Figure 4 It is a cross-sectional view of the spray bin of the present invention.

[0032] Figure 5 It is a top view of the connection relationship of multiple drying and condensing devices of the present invention.

[0033] Figure 6 It is a top view of the air intake mechanism of the present invention.

[0034] Figure 7 It is a structural schematic diagram of the daughter-in-law blending pool of the present invention.

[0035] Among them, 1-tower body, 2-spray device, 3-adsorption liquid collecting device, 4-drying condensation equipment, 5-adsorption liquid mixing pool, 6-liquid suction pump, 7-connecting pipe 1, 8-air intake mechanism, 31-conical plate, 32-connecting pipe 2, 41-condensation mechanism, 42-waste liquid evaporation tank, 43-waste gas bin, 44-waste gas main pipe, 45-air intake pipe, 46-slag discharge mechanism, 411-V-shaped condensation tank, 412-collection pipe, 413-liquid outlet, 414-condensate tank, 415-reflux tank, 461-slag discharge motor, 462-screw discharge rod, 463-discharge port, 81 -Circular pipe one, 82-circular pipe two, 83-short pipe one, 84-short rod, 85-air inlet interface, 86-exhaust port, 21-atomization bin, 22-atomization pipe, 23-ultrasonic oscillator, 24-exhaust fan, 25-spraying bin, 26-spraying port, 27-through pipe, 51-tank body, 52-cover plate, 53-adsorbent delivery equipment, 54-stirring motor, 55-stirring rod, 56-pH detector, 531-bin, 532-discharge pipe, 533-feeding motor, 534-screw feeding rod, 11-air filter cloth, 12-discharge pipe, 13-reflux pipe. DETAILED DESCRIPTION

[0036] Embodiment 1:

[0037] like Figure 1 As shown, a tower-type flue gas desulfurization and denitrification equipment comprises a tower body 1, a spray device 2 is fixedly connected to the top of the tower body 1, an adsorption liquid collecting device 3 is fixedly connected to the bottom of the tower body 1, a plurality of drying and condensing devices 4 are arranged on the left side of the tower body 1, an adsorption liquid preparation tank 5 is fixedly connected to the rear of the plurality of drying and condensing devices 4, a suction pump 6 is fixedly connected to the bottom of the adsorption liquid preparation tank 5, and the suction pump 6 is connected to the spray device 2 through a connecting pipe 7, and an air intake mechanism 8 is fixedly connected to the bottom of the tower body 1;

[0038] like Figure 2 , Figure 3 , Figure 5 As shown, the drying and condensing equipment 4 includes a condensing mechanism 41, a waste liquid evaporation tank 42 is fixedly connected to the bottom of the condensing mechanism 41, a waste gas bin 43 is fixedly connected to the outside of the waste liquid evaporation tank 42, the left front side of the waste gas bin 43 is connected to a waste gas main pipe 44 through a pipeline, the right top of the waste gas bin 43 is fixedly connected to an air intake pipe 45, the top of the air intake pipe 45 is fixedly connected to the air intake mechanism 8, a slag discharge mechanism 46 is provided in the waste liquid evaporation tank 42, and the top of the waste liquid evaporation tank 42 is fixedly connected to the condensing mechanism 41.

[0039] The drying and condensing device 4 recovers the high temperature of the waste gas and evaporates the waste liquid. After the water in the waste liquid evaporates, the inorganic salt is precipitated and crystallized and discharged through the slag discharge mechanism 46, so that the water resources are recycled.

[0040] The adsorption liquid collecting device 3 comprises a conical disk 31 , the outer side of which is fixedly connected to the inner wall of the tower body 1 , and the bottom of the conical disk 31 is fixedly connected to a second connecting pipe 32 , the lower end of which passes through the left side of the tower body 1 .

[0041] The atomized adsorption liquid reacts with the rising waste gas after descending, and the generated waste liquid is collected by the conical disk 31 after descending and then discharged through the second connecting pipe 32.

[0042] The condensation mechanism 41 includes a V-shaped condensation groove 411, and a collecting pipe 412 is fixedly connected to the upper left side of the V-shaped condensation groove 411. The collecting pipe 412 is fixedly connected to the connecting pipe 232. A liquid outlet 413 is provided on the right side of the V-shaped condensation groove 411. A condensation liquid groove 414 is fixedly connected to the top of the waste liquid evaporation groove 42. The rear of the condensation liquid groove 414 passes through the waste gas bin 43. A reflux groove 415 for discharging the condensation liquid into the adsorption liquid preparation tank 5 is provided below the condensation liquid groove 414. The reflux groove 415 is fixedly connected to the bottom of the waste liquid evaporation groove 42.

[0043] The evaporated water vapor encounters the V-shaped condensation groove 411 and condenses. The waste liquid in the V-shaped condensation groove 411 can cool the V-shaped condensation groove 411. The heat of the water vapor is transferred to the waste liquid in the V-shaped condensation groove 411 to preheat the waste liquid, thereby improving the heat recovery efficiency of the high-temperature exhaust gas.

[0044] The slag discharge mechanism 46 includes a slag discharge motor 461 , which is fixedly connected to the left end of the waste liquid evaporation tank 42 . A spiral discharge rod 462 is transmission-connected to the output shaft of the slag discharge motor 461 . A discharge port 463 is provided at the lower left side of the waste liquid evaporation tank 42 .

[0045] The precipitated inorganic salt crystals are discharged from the lower left side of the waste liquid evaporation tank 42 through the spiral discharge rod 462 in the slag discharge mechanism 46.

[0046] like Figure 6 As shown, the air intake mechanism 8 includes a circular pipe 1 81 and a circular pipe 2 82, a plurality of short pipes 1 83 are fixedly connected between the circular pipe 1 81 and the circular pipe 2 82, a plurality of short rods 84 are fixedly connected between the outer side of the circular pipe 2 82 and the inner wall of the tower body 1, an air intake interface 85 is provided at the left end of the circular pipe 2 82, the air intake interface 85 is fixedly connected to the air intake pipe 45, and a plurality of exhaust ports 86 are provided above the circular pipe 1 81, the circular pipe 2 82 and the short pipe 1 83.

[0047] The exhaust gas can be effectively and evenly dispersed inside the tower body 1 through the air intake mechanism 8 .

[0048] like Figure 4As shown, the spray device 2 includes an atomizing bin 21, which is fixedly connected to the outer wall of the tower body 1. An atomizing pipe 22 is provided at the top right side of the atomizing bin 21. An ultrasonic oscillation plate 23 is provided in the atomizing bin 21. An exhaust fan 24 is fixedly connected to the middle of the atomizing pipe 22. A spraying bin 25 is fixedly connected to the right end of the atomizing pipe 22. The outer wall of the spraying bin 25 is fixedly connected to the tower body 1. A spraying port 26 is provided on the lower surface of the spraying bin 25. A plurality of through pipes 27 for exhaust gas to pass through are provided in the spraying bin 25. The upper end of the through pipe 27 is connected to the upper part of the spraying bin 25, and the lower part of the through pipe 27 is connected to the lower part of the spraying bin 25.

[0049] The adsorption liquid is atomized by the ultrasonic vibration plate 23, and the contact area between the atomized adsorption liquid and the exhaust gas is larger, which can effectively improve the reaction efficiency with the exhaust gas.

[0050] like Figure 7 As shown, the adsorption liquid preparation tank 5 includes a tank body 51, a cover plate 52 is fixedly connected to the top left side of the tank body 51, an adsorbent delivery device 53 and a stirring motor 54 are fixedly connected to the cover plate 52, a stirring rod 55 is transmission-connected to the output shaft of the stirring motor 54, and a pH detector 56 is provided at the bottom of the tank body 51.

[0051] The concentration of the adsorption liquid is controlled within a certain range through the adsorption liquid preparation pool 5, and the adsorbent is quantitatively added through the adsorbent delivery device. The adsorbent in this embodiment is sodium bicarbonate powder, and the adsorption liquid is a sodium bicarbonate solution with a concentration of 20%. The pH value detected by the pH detector 56 can be used as a reference for preparing the concentration of the alkaline solution.

[0052] The adsorbent delivery device 53 includes a silo 531, the bottom of which is fixedly connected to the cover plate 52, a discharge pipe 532 is provided at the bottom of the silo 531, a discharge motor 533 is fixedly connected to the top of the silo 531, and the output shaft of the discharge motor 533 is transmission-connected to a spiral discharge rod 534, and the end of the spiral discharge rod 534 passes through the cover plate 52 and communicates with the interior of the pool body 51.

[0053] The material unloading motor 533 drives the spiral unloading rod 534 to automatically unload the material.

[0054] Embodiment 2:

[0055] The difference between this embodiment and embodiment 1 is that in this embodiment, an air filter cloth 11 is further provided above the tower body 1, a drain pipe 12 is fixedly connected to the left side wall of the tower body 1 at the top of the spray bin 25, a return pipe 13 is connected below the drain pipe 12, and the end of the return pipe 13 is fixedly connected to the top of the atomization bin 21.

[0056] Compared with Example 1, the rising exhaust gas in this embodiment will carry a part of the atomized adsorbent out from the through pipe 27 to the top of the spraying bin 25, and the filter cloth 11 will intercept the atomized adsorbent to form droplets that fall to the top of the spraying bin 25, and the adsorbent that falls on the top of the spraying bin 25 will flow back into the atomization bin 21 through the drain pipe 12.

[0057] The working method of a tower type flue gas desulfurization and denitrification equipment in the above embodiment 2 comprises the following steps:

[0058] S1, the adsorption liquid is transported from the adsorption liquid preparation tank 5 to the atomization chamber 21 through the liquid suction pump 6, the adsorption liquid is atomized by the ultrasonic oscillating plate 23 in the atomization chamber 21, and the atomized adsorption liquid is drawn to the spraying chamber 25 through the exhaust fan 24 and sprayed through the spraying port 26;

[0059] S2, the waste gas enters from the waste gas main pipe 44, then enters the waste gas bin 43, and then passes into the air intake mechanism 8 through the air intake pipe 45, and then reacts with the falling atomized adsorption liquid inside the tower body 1 after being discharged through the exhaust port 86;

[0060] S3. The waste liquid generated by the reaction is collected by the conical disk 31, and then discharged into the V-shaped condensation tank 411 through the connecting pipe 32, and then enters the waste liquid evaporation tank 42. The waste liquid is evaporated by the heat of the high-temperature exhaust gas, and the inorganic salt in the waste liquid is precipitated and discharged out of the drying and condensing equipment 4 through the spiral discharge rod 462 in the slag discharge mechanism 46. The generated water vapor encounters the waste liquid evaporation tank 42 with a lower temperature and condenses to form a condensate. The condensate is refluxed to the adsorption liquid preparation tank 5 through the condensate tank 414 and the reflux tank 415 for recycling.

[0061] The liquid suction pump 6, ultrasonic oscillator 23, exhaust fan 24, slag discharge motor 461, stirring motor 54, feeding motor 533, and pH detector 56 used in the above embodiments are all commercially available products. As long as they can achieve the functions of the present invention, technicians in this field can choose to use them according to common sense, and no special limitations are made here.

Claims

1. A tower type flue gas desulfurization and denitrification equipment, characterized in that: It comprises a tower body (1), the top of the tower body (1) is fixedly connected to a spray device (2), the bottom of the tower body (1) is fixedly connected to an adsorption liquid collecting device (3), a plurality of drying and condensing devices (4) are arranged on the left side of the tower body (1), an adsorption liquid preparation tank (5) is fixedly connected to the rear of the plurality of drying and condensing devices (4), a liquid suction pump (6) is fixedly connected to the bottom of the adsorption liquid preparation tank (5), the liquid suction pump (6) is connected to the spray device (2) via a connecting pipe (7), and an air intake mechanism (8) is fixedly connected to the bottom of the tower body (1); The drying and condensing device (4) comprises a condensing mechanism (41), a waste liquid evaporation tank (42) is fixedly connected to the bottom of the condensing mechanism (41), a waste gas bin (43) is fixedly connected to the outside of the waste liquid evaporation tank (42), the left front side of the waste gas bin (43) is connected to a waste gas main pipe (44) through a pipeline, the right top of the waste gas bin (43) is fixedly connected to an air intake pipe (45), the top of the air intake pipe (45) is fixedly connected to the air intake mechanism (8), a slag discharge mechanism (46) is provided in the waste liquid evaporation tank (42), and the top of the waste liquid evaporation tank (42) is fixedly connected to the condensing mechanism (41).

2. A tower type flue gas desulfurization and denitrification equipment as claimed in claim 1, characterized in that: The adsorption liquid collecting device (3) comprises a conical disk (31), the outer side of the conical disk (31) is fixedly connected to the inner wall of the tower body (1), the bottom of the conical disk (31) is fixedly connected to a second connecting pipe (32), and the lower end of the second connecting pipe (32) passes through the left side of the tower body (1).

3. A tower type flue gas desulfurization and denitrification equipment according to claim 1, characterized in that: The condensation mechanism (41) comprises a V-shaped condensation groove (411), a collecting pipe (412) is fixedly connected to the upper left side of the V-shaped condensation groove (411), the collecting pipe (412) is fixedly connected to the second connecting pipe (32), a liquid outlet (413) is provided on the right side of the V-shaped condensation groove (411), a condensation liquid groove (414) is fixedly connected to the upper side of the waste liquid evaporation groove (42), the rear side of the condensation liquid groove (414) passes through the waste gas bin (43), a reflux groove (415) for discharging the condensation liquid into the adsorption liquid preparation tank (5) is provided below the condensation liquid groove (414), and the reflux groove (415) is fixedly connected to the bottom of the waste liquid evaporation groove (42).

4. A tower type flue gas desulfurization and denitrification equipment according to claim 1, characterized in that: The slag discharge mechanism (46) comprises a slag discharge motor (461), the slag discharge motor (461) is fixedly connected to the left end of the waste liquid evaporation tank (42), a spiral discharge rod (462) is transmission-connected to the output shaft of the slag discharge motor (461), and a discharge port (463) is provided at the lower left side of the waste liquid evaporation tank (42).

5. The tower type flue gas desulfurization and denitrification equipment according to claim 1, characterized in that: The air intake mechanism (8) comprises a circular pipe 1 (81) and a circular pipe 2 (82); a plurality of short pipes 1 (83) are fixedly connected between the circular pipe 1 (81) and the circular pipe 2 (82); a plurality of short rods (84) are fixedly connected between the outer side of the circular pipe 2 (82) and the inner wall of the tower body (1); an air intake interface (85) is provided at the left end of the circular pipe 2 (82); the air intake interface (85) is fixedly connected to the air intake pipe (45); and a plurality of exhaust ports (86) are provided above the circular pipe 1 (81), the circular pipe 2 (82) and the short pipe 1 (83).

6. A tower type flue gas desulfurization and denitrification equipment according to claim 1, characterized in that: The spray device (2) comprises an atomizing bin (21), the atomizing bin (21) being fixedly connected to the outer wall of the tower body (1), an atomizing pipe (22) being provided at the top right side of the atomizing bin (21), an ultrasonic oscillation plate (23) being provided inside the atomizing bin (21), a suction fan (24) being fixedly connected to the middle of the atomizing pipe (22), a spraying bin (25) being fixedly connected to the right end of the atomizing pipe (22), the outer wall of the spraying bin (25) being fixedly connected to the tower body (1), a spraying port (26) being provided on the lower surface of the spraying bin (25), and a plurality of through pipes (27) for exhaust gas to pass through being provided inside the spraying bin (25).

7. The tower type flue gas desulfurization and denitrification equipment according to claim 1, characterized in that: The adsorption liquid preparation tank (5) comprises a tank body (51), a cover plate (52) is fixedly connected to the top left side of the tank body (51), an adsorbent delivery device (53) and a stirring motor (54) are fixedly connected to the cover plate (52), a stirring rod (55) is drivingly connected to the output shaft of the stirring motor (54), and a pH detector (56) is provided at the bottom of the tank body (51).

8. A tower type flue gas desulfurization and denitrification equipment as claimed in claim 7, characterized in that: The adsorbent delivery device (53) comprises a silo (531), the bottom of which is fixedly connected to the cover plate (52), a discharge pipe (532) is provided at the bottom of the silo (531), a discharge motor (533) is fixedly connected to the top of the silo (531), the output shaft of the discharge motor (533) is transmission-connected to a spiral discharge rod (534), and the end of the spiral discharge rod (534) passes through the cover plate (52) and communicates with the interior of the cell body (51).

9. A tower type flue gas desulfurization and denitrification equipment as claimed in claim 7, characterized in that: The adsorbent delivery device (53) comprises a silo (531), the bottom of which is fixedly connected to the cover plate (52), a discharge pipe (532) is provided at the bottom of the silo (531), a discharge motor (533) is fixedly connected to the top of the silo (531), and the output shaft of the discharge motor (533) is transmission-connected to a spiral discharge rod (534).

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