Flue gas denitration treatment device

Abstract

The utility model discloses a flue gas denitration treatment device, which comprises a denitration box, the top of the denitration box is fixedly provided with a separation box, the bottom of one side of the denitration box is fixedly provided with a flue gas pipe, one end of the flue gas pipe extends into the denitration box and is fixedly provided with a gas distribution disc, and the utility model relates to the technical field of flue gas denitration. According to the flue gas denitration treatment device, through cooperation of the gas distribution disc and the flow dividing spray pipes, flue gas can be uniformly dispersed in the device through the gas distribution disc, a reducing agent can be uniformly sprayed into the device through the flow dividing spray pipes, the contact area of the flue gas and the reducing agent is increased through uniform dispersion and uniform scattering, and the reaction speed of the reducing agent is increased; according to the flue gas denitration device, the flue gas denitration efficiency of the device is improved, through cooperation of a gas-liquid separation plate and a liquid collection box, the gas-liquid separation plate can adsorb and strip water vapor contained in the denitrated gas, and the situation that the interior of the denitrated gas contains the water vapor when the denitrated gas is discharged is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas denitration technical field, concretely is a kind of flue gas denitration treatment device. BACKGROUND

[0002] Denitration is the process of removing nitrogen oxides in combustion flue gas, the importance of preventing environmental pollution, has been as a problem in the world and been sharply put forward, before flue gas is discharged, it also needs to be denitration treatment, thus needs to use denitration treatment device;

[0003] Among them, the publication number is: "CN218166483U" discloses "a flue gas denitration treatment device", including shell, shell is communicated with exhaust pipe, shell one end fixed mounting has gas inlet chamber, rotatingly installed in the shell has gas inlet pipe, gas inlet pipe one end extends into gas inlet chamber, gas inlet pipe is fixedly installed with cross pipe at the end away from gas inlet chamber, a plurality of groups of interval distribution are arranged on the cross pipe and are provided with through air outlet, rotatingly installed with rotating pipe on the gas inlet pipe. Compared with prior art;

[0004] Traditional treatment device does not have when using the even scattering of flue gas emission and reducing agent injection, when flue gas gathers into and reducing agent concentrates injection, it can affect the contact area between them, thereby affecting the reaction speed of reducing agent in flue gas, reduce the efficiency of flue gas denitration of device, while not having water mist treatment when discharging gas after denitration, when the discharged gas contains water vapor, it can cause corrosion to subsequent equipment, and can affect subsequent processing process and cause interference, therefore, we design a flue gas denitration treatment device to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a flue gas denitration treatment device, solves the problems that flue gas is not evenly dispersed and reducing agent is not evenly sprayed, reducing agent contact area is reduced, reaction efficiency is affected, and discharged gas is not dehydrated.

[0006] To achieve the above object, the utility model realizes by following technical scheme: a flue gas denitration treatment device, including denitration tank, the top of denitration tank is fixedly installed with separation tank;

[0007] The bottom of one side of denitration tank is fixedly installed with flue gas pipe, one end of flue gas pipe extends to the inside of denitration tank and is fixedly installed with air distribution disc, the top of air distribution disc is fixedly installed with exhaust nozzle at equal distance, the upper side of one side of separation tank is fixedly installed with reducing agent pipe, one end of reducing agent pipe extends to the inside of denitration tank and is fixedly installed with shunt cover, the bottom of shunt cover is fixedly installed with shunt spray pipe at equal distance;

[0008] One side of the separation tank is fixedly provided with an exhaust pipe, a plurality of groups of gas-liquid separation plates are fixedly and equidistantly arranged in the separation tank, and a liquid collecting tank is fixedly arranged at the bottom of the separation tank.

[0009] Preferably, a mixing tank is fixedly arranged at the upper portion of the denitration tank, a stirring rod is rotatably arranged at the upper portion of the mixing tank through a transmission tank, a mixing motor is fixedly arranged at the upper portion of one side of the denitration tank, and the output end of the mixing motor is fixedly connected with the transmission tank.

[0010] Preferably, an anti-backflow plate is fixedly arranged at the lower portion of the inner wall of the mixing tank, and a guide plate is fixedly arranged at the upper portion of the inner wall of the mixing tank.

[0011] Preferably, a plurality of groups of flow guide plates are fixedly arranged at the other side of the separation tank.

[0012] Preferably, a liquid discharge pipe is fixedly arranged at the bottom of the liquid collecting tank.

[0013] Preferably, an assembly seat is fixedly arranged at the bottom of the denitration tank, and assembly holes are formed around the top of the assembly seat.

[0014] Compared with the prior art, the smoke denitration treatment device has the following beneficial effects:

[0015] (1) The smoke denitration treatment device can uniformly disperse the smoke in the device through the cooperation between the air distribution disc and the shunt nozzle, and the shunt nozzle can uniformly spray the reducing agent in the device, so that the contact area of the smoke and the reducing agent is increased, the reaction speed of the reducing agent is increased, and the denitration efficiency of the device for the smoke is improved.

[0016] (2) The gas-liquid separation plate can adsorb and strip the water vapor contained in the denitration gas, so that the water vapor in the denitration gas is avoided when the denitration gas is discharged, and the liquid collecting tank can collect the water liquid after the adsorption and stripping of the gas-liquid separation plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front structure schematic view of the utility model.

[0018] Figure 2 It is a back structure schematic view of the utility model.

[0019] Figure 3 It is a cross section structure schematic view of the utility model.

[0020] Figure 4 It is an air distribution disc and shunt nozzle structure schematic view of the utility model.

[0021] Figure 5 The mixed box structure schematic view of the utility model.

[0022] Figure 6 The gas-liquid separation plate structure schematic view of the utility model.

[0023] In the figure: 1, denitration box;101, separation tank;102, exhaust pipe;103, assembly seat;104, guide plate;105, gas-liquid separation plate;2, flue gas pipe;201, gas distribution disc;202, exhaust nozzle;3, reducing agent pipe;301, shunt nozzle;302, shunt cover;4, mixed motor;401, mixed box;402, stirring rod;403, transmission box;404, anti-backflow plate;405, guide plate;5, liquid collecting tank;501, liquid discharge pipe; DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one

[0026] Please refer to Figures 3-4 The embodiment provides a flue gas denitration treatment device, which comprises a denitration box 1, a separation tank 101 is fixedly installed at the top of the denitration box 1, a flue gas pipe 2 is fixedly installed at the bottom of one side of the denitration box 1, one end of the flue gas pipe 2 extends into the denitration box 1 and is fixedly installed with a gas distribution disc 201, the top of the gas distribution disc 201 is fixedly installed with exhaust nozzles 202 at equal distances, a reducing agent pipe 3 is fixedly installed above one side of the separation tank 101, one end of the reducing agent pipe 3 extends into the denitration box 1 and is fixedly installed with a shunt cover 302, and the bottom of the shunt cover 302 is fixedly installed with shunt nozzles 301 at equal distances.

[0027] In use, the flue gas pipe 2 is connected with the external flue gas conveying pipeline, the flue gas can be discharged into the inside of the denitration box 1 through the flue gas pipe 2, the air distribution disc 201 can uniformly disperse the flue gas, and the flue gas is uniformly discharged into the inside of the denitration box 1 through the exhaust nozzle 202, the reducing agent pipe 3 is connected with the external reducing agent storage tank, the reducing agent for flue gas denitration can be injected into the inside of the denitration box 1 through the reducing agent pipe 3, and the reducing agent can be uniformly distributed by the flow divider cover 302 at the bottom of the reducing agent pipe 3, and uniformly sprayed into the inside of the denitration box 1 through the flow divider nozzle 301, the contact area of the reducing agent and the flue gas is increased by uniform spraying, thereby increasing the uniformity and speed of the contact reaction of the reducing agent and the flue gas, and the flue gas can be denitration treated by the reducing agent, thereby improving the efficiency of the device for flue gas denitration.

[0028] Example two

[0029] Based on example one, as shown in Figure 3 and Figure 6 , the exhaust pipe 102 is fixedly installed on one side of the separation box 101, a plurality of groups of gas-liquid separation plates 105 are fixedly installed at equal intervals in the inside of the separation box 101, and the liquid collecting tank 5 is fixedly installed at the bottom of the separation box 101.

[0030] In use, the gas after reaction denitration enters the exhaust pipe 102, the gas-liquid separation plate 105 adopts a corrugated structure, the contact area of the gas-liquid separation plate 105 and the gas is increased by the corrugated structure, thereby the water vapor in the inside can be adsorbed when the gas contacts the gas-liquid separation plate 105, the function of adsorbing and stripping the water mist in the gas is realized, thereby avoiding the situation that the gas after denitration is discharged with water mist in the inside, increasing the stability of the device for flue gas denitration, and facilitating subsequent equipment for processing the gas, the water adsorbed on the gas-liquid separation plate 105 drops into the inside of the liquid collecting tank 5 due to gravity, and the separated water is collected and treated by the staff through the liquid collecting tank 5.

[0031] As shown in Figure 3 and Figure 5 , the mixing box 401 is fixedly installed at the upper portion of the inside of the denitration box 1, the stirring rod 402 is rotatably installed in the upper portion of the inside of the mixing box 401 through the transmission box 403, the mixing motor 4 is fixedly installed at the upper portion of one side of the denitration box 1, and the output end of the mixing motor 4 is fixedly connected with the transmission box 403.

[0032] In use, the flue gas and the reducing agent are uniformly mixed and then enter the mixing box 401, the mixing motor 4 drives the stirring rod 402 to rotate through the transmission box 403, the stirring rod 402 rotates to stir and react the flue gas and the reducing agent, thereby accelerating the denitration of the flue gas and increasing the efficiency of the device for flue gas denitration.

[0033] As shown in Figure 5As shown, the lower wall of the mixing box 401 is fixedly installed with an anti-backflow plate 404, and the upper wall of the mixing box 401 is fixedly installed with a guide plate 405.

[0034] In use, the anti-backflow plate 404 can avoid the downward backflow of the flue gas and the reducing agent when the stirring rod 402 stirs them, thereby improving the stability of the stirring rod 402 when stirring the flue gas and the reducing agent, and the guide plate 405 can guide the flue gas stirred for denitration upwards.

[0035] As shown in Figure 3 and Figure 6 , a plurality of groups of flow guide plates 104 are fixedly installed at the other side of the separation box 101 at equal intervals.

[0036] In use, the flow guide plates 104 can guide the flue gas and also play a mixing role in the process of guiding.

[0037] As shown in Figure 2 , Figure 3 and Figure 6 , the bottom of the liquid collecting tank 5 is fixedly installed with a liquid discharge pipe 501.

[0038] In use, the liquid discharge pipe 501 is connected with an external recovery pipeline, so that the water in the liquid collecting tank 5 can be guided and discharged through the liquid discharge pipe 501.

[0039] As shown in Figures 1-3 , the bottom of the denitration box 1 is fixedly installed with an assembly seat 103, and assembly holes are formed around the top of the assembly seat 103.

[0040] In use, the assembly seat 103 can support the bottom of the device during operation, and the bottom of the assembly seat 103 can be fixed through the assembly holes and bolts, thereby ensuring the stability of the device during operation.

[0041] Working principle: the gas distribution disc 201 and the exhaust nozzle 202 can divide and discharge the flue gas into the denitration box 1, the flow divider cover 302 and the flow divider nozzle 301 can uniformly spray the reducing agent into the denitration box 1, the uniform discharge of the flue gas and the uniform injection of the reducing agent improve the mixing speed between them, thereby improving the efficiency of the device in denitration of the flue gas, and the gas-liquid separation plate 105 can adsorb the water vapor contained in the flue gas, thereby avoiding the influence of the water vapor contained in the gas after denitration on the subsequent equipment.

[0042] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A flue gas denitration treatment device characterized by comprising: Including denitration box, the top of the denitration box is fixedly installed with a separation tank; The bottom of one side of the denitration box is fixedly installed with a flue gas pipe, one end of the flue gas pipe extends to the inside of the denitration box and is fixedly installed with a gas distribution disc, the top of the gas distribution disc is fixedly installed with an exhaust nozzle at equal distances, the upper side of one side of the separation tank is fixedly installed with a reducing agent pipe, one end of the reducing agent pipe extends to the inside of the denitration box and is fixedly installed with a flow distribution cover, the bottom of the flow distribution cover is fixedly installed with a flow distribution nozzle at equal distances; One side of the separation tank is fixedly installed with an exhaust pipe, a plurality of groups of gas-liquid separation plates are fixedly installed in the inside of the separation tank at equal distances, and the bottom of the separation tank is fixedly installed with a liquid collecting tank.

2. The flue gas denitration treatment device according to claim 1, characterized in that: The upper side of the inside of the denitration box is fixedly installed with a mixing tank, a stirring rod is rotatably installed in the upper side of the inside of the mixing tank through a transmission tank, the upper side of one side of the denitration box is fixedly installed with a mixing motor, and the output end of the mixing motor is fixedly connected with the transmission tank.

3. The flue gas denitration treatment device according to claim 2, characterized in that: The lower side of the inner wall of the mixing tank is fixedly installed with an anti-backflow plate, and the upper side of the inner wall of the mixing tank is fixedly installed with a guide plate.

4. The flue gas denitration treatment device according to claim 1, characterized in that: A plurality of groups of flow guide plates are fixedly installed at equal distances on the other side of the inside of the separation tank.

5. The flue gas denitration treatment device according to claim 1, characterized in that: The bottom of the liquid collecting tank is fixedly installed with a liquid discharge pipe.

6. The flue gas denitration treatment device according to claim 1, characterized in that: The bottom of the denitration box is fixedly installed with an assembly seat, and assembly holes are formed around the top of the assembly seat.

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