CN207591595U - A kind of spray scrubber waste gas treatment equipment - Google Patents

Abstract

A kind of spray scrubber waste gas treatment equipment, including equipment bottom fixed plate, and it is fixedly mounted on spray scrubber and air blower in the fixed plate of equipment bottom, the circulatory system is installed in the side bottom of the spray scrubber, gas exhaust piping is fixedly connected on the top of the spray scrubber, the other end of the gas exhaust piping is fixedly connected in air blower, and smokestack is installed on the top of the air blower.The utility model operates and easy to maintenance succinct, it will not have any impact to the production in workshop, equipment utilization stripping liquid handles mix waste gas, to remove wherein a certain or several gases, pass through purification filtering exhaust gas layer by layer, removal rate may be up to more than 99%, and can crack the heavy metal of pollution.

Description

A spray scrubber waste gas treatment equipment

technical field

The utility model relates to waste gas treatment equipment of a spray washing tower.

Background technique

Exhaust gas refers to the poisonous and harmful gases discharged by human beings in the process of production and life. Industrial waste gas is an important source of air pollutants. Industrial waste gas includes organic waste gas and inorganic waste gas. Spray scrubber waste gas treatment equipment is used to treat inorganic waste gas Yes, the existing spray scrubber exhaust gas treatment equipment usually uses three or four layers of spraying to achieve the treatment effect. The equipment is large in size and inconvenient for production, transportation and installation. For example, spraying and washing is required to reach an air volume of 20000m ³ /h The size of the tower is 1800mm in diameter * 5500mm in height, which not only takes up a lot of space in the workshop, but also increases the number of spray layers, wasting raw materials such as spray liquid.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a spray scrubber waste gas treatment equipment which solves the above problems.

In order to solve the above technical problems, the utility model is solved through the following technical solutions:

A spray scrubber exhaust gas treatment equipment, including a fixed plate at the bottom of the equipment, a spray scrubber and a blower fixedly installed on the fixed plate at the bottom of the equipment, a circulation system is fixedly installed on the side bottom of the spray scrubber, and the An exhaust pipeline is fixedly connected to the top of the spray scrubber, and the other end of the exhaust pipeline is fixedly connected to a blower, and a chimney window is fixedly installed on the top of the blower.

The spray scrubber includes a waste gas inlet, a waste gas outlet, a packing area, a spray device, a defogging device, and an observation window. The waste gas inlet is formed on the lower part of the outer side of the spray scrubber. The exhaust port is fixedly connected as one, the exhaust gas outlet is formed on the top of the outer side of the spray scrubber, the exhaust gas outlet is fixedly connected with one end of the exhaust pipeline, and the packing area is fixedly installed in the middle of the inner cavity of the spray scrubber , the packing area is a perforated plate with a separation cofferdam, and the packing area has two layers; the frame of each layer of packing area is fixed on the inner wall surface of the spray scrubber, and there is a gap between the two layers of packing area, and the spraying device is Two groups; each group of spraying devices is placed above the filling area of each layer, the tail of the spraying device passes through the wall of the spray scrubber and is consolidated into one, and the demisting device is fixedly installed in the inner cavity of the spray scrubber On the top, the observation window is opened on the middle part of the outer surface of the spray scrubber, and the number of observation windows is several.

The spraying device includes a distribution main pipe and nozzles. The tail of the distribution main pipe is fixedly connected with the circulation system. The nozzles are fixedly installed on the bottom end of the head of the distribution main pipe. The nozzles are hollow conical nozzles and there are several nozzles.

The circulation system includes a circulating water pump, a mixer, a liquid inlet pipeline, and a water tank. The water tank is fixedly installed on the side bottom of the spray scrubber, and the circulating water pump and the mixer are fixedly installed on the top of the water tank in turn. One end of the liquid inlet pipeline is connected to The interfaces of the circulating water pump are connected together; the other end is fixedly connected with the tail of the distribution main pipe on the spray scrubber.

The fixed plate at the bottom of the equipment is a cuboid structure, the thickness of the fixed plate at the bottom of the equipment is 200mm, the spray scrubber is a cylindrical structure, the diameter of the spray scrubber is 1200mm; the height is 4500mm, and the wall thickness is 8mm.

Beneficial effects: compared with the prior art, the utility model has the following beneficial effects:

The utility model spray washing tower waste gas treatment equipment is convenient and simple to operate and maintain, and will not cause any impact on the production of the workshop. The equipment uses liquid absorbent to treat mixed waste gas to remove one or several gases. Some gases have Physical absorption dissolved in solution; there is also chemical reaction absorption between chemical substances in gas and liquid. The absorption is often used for the treatment and recovery of gas pollutants. The chemical absorption process uses NaOH solution as absorbent to neutralize acid-base waste gas. Through Layers of purification and filtration of exhaust gas, the removal rate can be as high as more than 99%, and it can decompose polluted heavy metals.

Description of drawings

Figure 1 is a front view of the spray scrubber waste gas treatment equipment.

Fig. 2 is a front sectional view of the spray scrubber and circulation system in Fig. 1 .

Detailed ways

Referring to Figures 1 to 2, a spray scrubber exhaust gas treatment equipment includes a fixed plate 1 at the bottom of the equipment, a spray scrubber 2 and a blower 5 fixedly installed on the fixed plate 1 at the bottom of the equipment, and the side of the spray scrubber 2 A circulation system 3 is fixedly installed on the bottom, an exhaust pipeline 4 is fixedly connected to the top of the spray scrubber 2, and the other end of the exhaust pipeline 4 is fixedly connected to the blower 5, and a smoke exhaust pipe is fixedly installed on the top of the blower 5. window6.

The fixed plate 1 at the bottom of the equipment is a cuboid structure, the thickness of the fixed plate 1 at the bottom of the equipment is 200mm, and the material of the fixed plate 1 at the bottom of the equipment is cast iron. Because the manufacturing cost of cast iron is low, the cost of the whole equipment can be reduced, and cast iron has higher strength, With good toughness and plasticity, the fixed plate 1 at the bottom of the equipment will not break even under a large impact, prolonging the service life of the entire equipment.

The spray scrubber 2 is a cylindrical structure. The diameter of the spray scrubber 2 is 1200mm; the height is 4500mm, and the wall thickness is 8mm. The material of the spray scrubber 2 is polypropylene, and it is made into One-piece structure, because polypropylene has good heat resistance, it can be used normally at temperatures above 100 ° C, and it will not deform at 150 ° C under the condition of no external force. Various chemical reagents are relatively stable, so it can ensure that the spray scrubber 2 can handle various exhaust gases without deformation, prolonging the service life of the spray scrubber 2. The spray scrubber 2 includes exhaust gas inlet 21, exhaust gas outlet 22, packing Area 23, spraying device 24, demisting device 25, observation window 26, exhaust gas inlet 21 is formed on the lower side of the outer surface of spray scrubber 2, exhaust gas inlet 21 is fixedly connected with exhaust gas source outlet as a whole, exhaust gas discharge The port 22 is formed on the top of the outer surface of the spray scrubber 2, the waste gas outlet 22 is fixedly connected with one end of the exhaust pipeline 4, and the packing area 23 is fixedly installed in the middle part of the inner cavity of the spray scrubber 2. The area 23 is two layers; the frame of each layer of packing area 23 is fixed on the inner wall surface of the spray washing tower 2, there is a gap between the two layers of packing areas 23, and the spraying devices 24 are two groups; each group of spraying devices 24 is placed above the filling area 23 of each layer, the tail of the spray device 24 passes through the wall of the spray scrubber 2 and is consolidated as a whole, and the demister 25 is fixedly installed on the top of the inner cavity of the spray scrubber 2 , the demisting device 25 is used to separate the liquid droplets carried by the exhaust gas. After the exhaust gas passes through the spraying device 24 and then continuously flows through the demistering device 25, the liquid droplets remain on the baffle due to inertia, and the observation window 26 is opened on the spraying device. On the middle part of the outer surface of the shower scrubber 2, the quantity of the observation window 26 is several, and the situation inside the spray scrubber 2 can be directly observed through the observation window 26, and the abnormal operation of the spray scrubber 2 can make the Operators quickly make countermeasures to avoid unnecessary losses.

The filling area 23 is a perforated plate with separate cofferdams. The filling area 23 is mainly used as an air distribution device and is arranged under the spray device 24. After the waste gas passes through the filling area 23, it is evenly distributed to the entire section of the filling area 23, so that The exhaust gas in the spray scrubber 2 is more evenly distributed, which increases the contact area of the exhaust gas and prolongs the reaction time. The packing area 23 also makes the exhaust gas fully contact with the liquid film on the tray, ensuring that the exhaust gas can be fully neutralized by acid and alkali. and react.

Sprinkler 24 comprises distribution main pipe 241 and nozzle 242, and the afterbody of distribution main pipe 241 is fixedly connected with circulation system 3 together, and nozzle 242 is fixedly installed on the head bottom end of distribution main pipe 241, and distribution main pipe 241 can make The water liquid is evenly distributed in the spray washing tower 2, and the flow rate flowing through each group of spray devices 24 is equal. The nozzle 242 is a hollow cone nozzle, and there are several nozzles 242. The effect of the nozzle 242 is to atomize the spray liquid, so that It can fully contact with the exhaust gas and completely remove the harmful substances in the exhaust gas.

The circulation system 3 includes a circulating water pump 31, a mixer 32, a liquid inlet pipeline 33, and a water tank 34. The water tank 34 is fixedly installed on the side bottom of the spray scrubber 2, and the circulating water pump 31 and the mixer 32 are fixedly installed on the top of the water tank 34 in turn. , one end of the liquid inlet pipeline 33 is connected with the interface of the circulating water pump 31; The water cycle can make the spray scrubber 2 run normally, and the mixer 32 can dilute the concentration of the spray liquid recovered in the water tank 34, prolong the use time of the spray liquid in the water tank 34, and reduce the cost of treating waste gas.

The exhaust gas is pumped into the spray scrubber 2 by the blower 5, and the reaction device in the spray scrubber 2 absorbs the material components dissolved in water in the exhaust gas and neutralizes the PH acid and alkali to achieve the purpose of purifying the gas. It belongs to the differential contact countercurrent type. The packing area 23 in the spray scrubber 2 is the basic component of the gas-liquid phase contact. A layer of liquid film is formed on the packing area 23. The liquid film comes from the mist sprayed by the spray device 24 on the top. When the waste gas flows through the gaps in the filling area 23, it will contact the liquid film, and the substances in the waste gas will merge into the water, and the concentration of the fluid in the upward airflow will become lower and lower, and the liquid on the liquid film will flow into the water tank under the action of gravity 34, and the circulation is pumped out by the circulating water pump 31.

The spray scrubber exhaust gas treatment equipment is easy to operate and maintain, and will not have any impact on the production of the workshop. The equipment uses liquid absorbent to treat the mixed exhaust gas to remove one or several gases. Some gases are dissolved in the solution. Physical absorption; there is also chemical reaction absorption between chemical substances in gas and liquid. The absorption is often used in the treatment and recovery of gas pollutants. The chemical absorption process uses NaOH solution as absorbent to neutralize acid-base waste gas, and is purified through layers. Filter exhaust gas, the removal rate can be as high as more than 99%, and can decompose polluted heavy metals.

The above-mentioned embodiments are only descriptions of preferred implementations of the present utility model, and are not intended to limit the concept and scope of the present utility model. Under the premise of not departing from the design concept of the present utility model, various modifications and improvements made by ordinary persons in the art to the technical solution of the present utility model should fall into the protection scope of the present utility model, and the technology claimed by the utility model The contents are all described in the claims.

Claims (5)

1. A spray scrubber exhaust gas treatment equipment, comprising a fixed plate (1) at the bottom of the equipment, and a spray scrubber (2) and a blower (5) fixedly installed on the fixed plate (1) at the bottom of the equipment, characterized in that , the side bottom of the spray scrubber (2) is fixedly installed with a circulation system (3), and the top of the spray scrubber (2) is fixedly connected with an exhaust pipeline (4), and the exhaust The other end of the pipeline (4) is fixedly connected in the air blower (5), and a chimney (6) is fixedly installed on the top of the air blower (5). 2. The spray scrubber waste gas treatment equipment according to claim 1, characterized in that, the spray scrubber (2) comprises a waste gas inlet (21), a waste gas outlet (22), a packing area (23), Spraying device (24), defogging device (25), observation window (26), exhaust gas inlet (21) is formed on the lower part of the outer surface of spray scrubber (2), exhaust gas inlet (21) and exhaust gas source The exhaust outlet is fixedly connected as one, the waste gas outlet (22) is formed on the top of the outer surface of the spray scrubber (2), the exhaust gas outlet (22) is fixedly connected with one end of the exhaust pipeline (4), and the filler District (23) is fixedly installed in the middle part of the inner chamber of spray scrubber (2), and packing district (23) is the perforated plate with separating cofferdam, and packing district (23) is two layers; Every layer of packing district (23) The frame of the frame is fixed on the inner wall surface of the spray washing tower (2), and there is a gap between the two layers of packing areas (23), and the spraying devices (24) are two groups; each group of spraying devices (24) is placed Above each layer of packing area (23), after the afterbody of spray device (24) passes through the wall surface of spray scrubber (2) and is consolidated into one, demister device (25) is fixedly installed in spray scrubber ( 2) on the top of the inner cavity, the observation window (26) is set on the middle part of the outer surface of the spray scrubber (2), and the number of observation windows (26) is several. 3. The spray scrubber exhaust gas treatment equipment according to claim 2, characterized in that, the spray device (24) comprises a distribution main pipe (241) and a nozzle (242), and the tail of the distribution main pipe (241) Fixedly connected together with the circulation system (3), the nozzle (242) is fixedly installed on the head bottom of the distribution main pipe (241), the nozzle (242) is a hollow cone nozzle, and the nozzle (242) is several. 4. The waste gas treatment equipment of spray scrubber according to claim 3, characterized in that, the circulation system (3) comprises a circulating water pump (31), a mixer (32), an inlet pipeline (33), a water tank ( 34), the water tank (34) is fixedly installed on the side bottom of the spray scrubber (2), the circulating water pump (31) and the mixer (32) are fixedly installed on the top of the water tank (34) in sequence, and the liquid inlet pipeline (33 ) is connected together with the interface of the circulating water pump (31); the other end is fixedly connected with the afterbody of the distribution main pipe (241) on the spray scrubber (2). 5. The spray scrubber waste gas treatment equipment according to claim 1, characterized in that, the fixed plate (1) at the bottom of the equipment is a cuboid structure, and the thickness of the fixed plate (1) at the bottom of the equipment is 200mm, and the spray scrubber (2) is a cylindrical structure, and the diameter of the spray scrubber (2) is 1200mm; the height is 4500mm, and the wall thickness is 8mm.