CN211384516U - A device for purifying and treating phenolic waste gas - Google Patents

Abstract

The utility model discloses a device for purifying and treating phenolic waste gas, which comprises a box body. The box body is provided with a treatment cavity, a fixing cavity and a filtering cavity. A waste gas pipe is fixedly installed on one side of the box, the waste gas pipe is connected with the interior of the treatment chamber, a first filter plate is fixedly installed in the treatment chamber, a water pump is fixedly installed on the side of the box away from the waste gas pipe, and a first filter plate is fixedly installed at the suction end of the water pump. A water pipe, one end of the first water pipe away from the water pump extends into the treatment chamber and is located below the first filter plate, a second water pipe is fixedly installed at the discharge end of the water pump, and a third water pipe is arranged in the treatment chamber. The utility model has reasonable design, good practicability, good effect of purifying and treating waste gas, sufficient neutralization reaction between alkaline solution and phenolic waste gas, and can recycle the alkaline liquid and fully utilize the alkaline solution, and has the effect of energy saving .

Description

A device for purifying and treating phenolic waste gas

technical field

The utility model relates to the technical field of waste gas treatment equipment, in particular to a purification treatment device for phenolic waste gas.

Background technique

Phenolic waste gas refers to a certain concentration of phenol, chlorophenol, dichlorophenol and other substances in the waste gas, which is a slightly acidic gas. Many products in the chemical industry will produce such gas in the production process. Phenol gas is very harmful to humans and the environment. In chemical plants, in order to reduce the pollution and damage of phenolic waste gas to the environment, it is necessary to use purification treatment equipment to purify and treat phenolic waste gas before discharging, so as to reduce the damage to the environment.

However, in the prior art, the phenol-based waste gas purification and treatment equipment is not effective in purifying the waste gas, so that the contact between the sprayed alkaline liquid and the waste gas is insufficient, resulting in insufficient neutralization reaction, and causing the alkaline liquid. The amount used is large, the alkaline liquid is wasted seriously, and it has no energy saving effect. For this reason, we propose a purification and treatment device for phenolic waste gas to solve the above problems.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a device for purifying and treating phenolic waste gas, which solves the problem that the purification and treatment effect of phenolic waste gas purification and treatment equipment on waste gas is not good, and the sprayed alkaline liquid and waste gas are mixed. Insufficient contact, insufficient neutralization reaction, large amount of alkaline liquid used, serious waste, and no energy-saving effect.

(2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solutions: a device for purifying and treating phenolic waste gas, comprising a box body, and a treatment cavity, a fixing cavity and a filtering cavity are opened on the box body. The top is composed of openings, one side of the box body is fixedly installed with an exhaust gas pipe, the exhaust gas pipe is connected with the interior of the treatment chamber, a first filter plate is fixedly installed in the treatment chamber, and a water pump is fixedly installed on the side of the box body away from the exhaust gas pipe, The suction end of the water pump is fixedly installed with a first water pipe, the end of the first water pipe away from the water pump extends into the treatment chamber and is located below the first filter plate, the discharge end of the water pump is fixedly installed with a second water pipe, and a third water pipe is installed in the treatment chamber. The water pipe, the bottom of the third water pipe is fixedly installed with two inclined nozzles and two straight nozzles, the inner wall of the bottom of the fixed cavity is provided with a first through hole, and a connecting pipe is rotatably installed in the first through hole, and the connecting pipe is a hollow structure. Both ends of the connecting pipe extend to the outside of the first through hole, the bottom end of the connecting pipe is fixedly connected with the top of the third water pipe, the connecting pipe is connected with the third water pipe, and the end of the second water pipe away from the water pump extends into the connecting pipe, connecting the The tube is fixedly sleeved with a first gear located in a fixed cavity, a first motor is fixedly installed on the bottom inner wall of the fixed cavity, a second gear is fixedly installed at the output end of the first motor, and the second gear meshes with the first gear , a box cover is fixedly installed on the top of the box body, a condensate plate and an activated carbon mesh plate are fixedly installed in the filter cavity, the condensate plate is located under the activated carbon mesh plate, and a rectangular hole is opened on the inner wall of the bottom of the filter cavity, and the rectangular hole is fixed inside. A second filter plate is installed, one side of the box body is fixedly installed with an air outlet pipe located above the exhaust pipe, the air outlet pipe is communicated with the interior of the filter chamber, and a second through hole is opened on the inner wall of one side of the treatment chamber, and the second through hole A stirring rod is rotatably installed inside, both ends of the stirring rod extend into the second through hole, a second motor is fixedly installed on one side of the box body, and the output shaft end of the second motor is fixedly connected with one end of the stirring rod.

Preferably, a liquid addition pipe is fixedly installed in the box away from the waste gas pipe, the liquid addition pipe is communicated with the interior of the treatment chamber, and an end cap is threaded on the top of the liquid addition pipe.

Preferably, a water supply pipe located below the waste gas pipe is fixedly installed on one side of the box body, a first shut-off valve is fixedly installed on the water supply pipe, and the water supply pipe communicates with the interior of the treatment chamber.

Preferably, a residual drain pipe located below the water pump is fixedly installed on one side of the box body, a second shut-off valve is fixedly installed on the residual drain pipe, and the residual drain pipe communicates with the interior of the treatment chamber.

Preferably, a first bearing is fixedly sleeved on the connecting pipe, the outer ring of the first bearing is fixedly connected with the inner wall of the first through hole, the second water pipe is fixedly sleeved with a second bearing located in the connecting pipe, and the second bearing is fixedly sleeved in the connecting pipe. The bearing is fixedly connected with the inner wall of the connecting pipe.

Preferably, a third bearing is fixedly sleeved on the stirring rod, and the outer ring of the third bearing is fixedly connected with the inner wall of the second through hole.

Preferably, a cleaning port is opened on one inner wall of the treatment chamber, a cleaning door is fixedly installed on one side of the box body, the cleaning door is adapted to the cleaning port, and a baffle is fixedly installed on one inner wall of the treatment chamber, The baffle is inclined, and the baffle is located above the exhaust pipe.

(3) Beneficial effects

The utility model provides a device for purifying and treating phenolic waste gas. Has the following beneficial effects:

(1) This one is used for the purification and treatment of phenolic waste gas. By injecting an appropriate amount of clean water into the treatment chamber, unscrew the end cover on the liquid addition pipe, add an appropriate amount of alkaline agent into the treatment chamber, and start the second motor. Drive the stirring rod to rotate, and use the stirring rod to stir and mix the clean water and the alkaline agent evenly to form an alkaline solution. The phenolic waste gas enters the treatment chamber from the waste gas pipe, and the water pump and the first motor are started to work. The alkaline solution in the cavity is pumped into the third water pipe, and atomized and sprayed from the two inclined nozzles and the two straight nozzles. The first motor drives the second gear to rotate, and the second gear drives the first gear and the connecting pipe to rotate. The rotation of the third water pipe, the two inclined nozzles and the two straight nozzles makes the atomized lye evenly sprayed in the treatment chamber, which can make the atomized lye fully contact and react with the phenolic waste gas, and improve the phenolic The treatment and purification effect of the waste gas, the lye water mist sprayed by the atomization contacts with the phenol waste gas, and the neutralization reaction occurs, and the reactants and the dust particles in the phenol waste gas fall to the first filter plate, and the first filter plate is used. The reactants and dust particles are blocked and filtered, and the alkaline solution can be recycled through the circulating flow of the water pump, saving resources, so that the alkaline solution can fully contact the phenolic waste gas for neutralization reaction.

(2) This device for phenolic waste gas purification and treatment uses the second filter plate to block the dust and impurities in the waste gas to prevent the dust and impurities from being discharged from the gas outlet pipe, and uses the condensate plate to remove the water mist in the waste gas. Condensation to prevent the exhaust gas from carrying water mist out of the exhaust pipe, using the activated carbon mesh plate to adsorb and purify the fine dust particles, residual chlorine, odor, etc. in the exhaust gas, and the purified exhaust gas is discharged from the exhaust pipe, improving the purification effect of exhaust gas treatment .

(3) This one is used for the purification and treatment of phenolic waste gas. By regularly removing the lower box cover, it is convenient to clean the surface of the activated carbon mesh plate, and regularly open the second stop valve on the residual pipe to remove the sewage in the treatment chamber. Discharge, replace, and remove the cleaning door regularly to remove the impurity particles on the first filter plate.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the utility model;

Fig. 2 is the sectional structure schematic diagram of the front view of the utility model;

FIG. 3 is an enlarged schematic view of part A in FIG. 2 .

In the figure: 1. Box body; 2. Treatment chamber; 3. Fixed chamber; 4. Filter chamber; 5. Exhaust gas pipe; 6. First filter plate; 7. Water pump; 8. First water pipe; 9. Second water pipe ; 10, the third water pipe; 11, the inclined nozzle; 12, the straight nozzle; 13, the first through hole; 14, the connecting pipe; 15, the first gear; 16, the first motor; 17, the second gear; 18, the box Cover; 19, condensate plate; 20, activated carbon mesh plate; 21, rectangular hole; 22, second filter plate; 23, air outlet; 24, second through hole; 25, stirring rod; 26, second motor; 27 , add liquid pipe; 28, water supply pipe; 29, put residual pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figures 1-3, the present utility model provides a technical solution: a device for purifying and treating phenolic waste gas, comprising a box body 1, and the box body 1 is provided with a treatment cavity 2, a fixing cavity 3 and a filter cavity 4 , the tops of the fixed cavity 3 and the filter cavity 4 are both open, and a waste gas pipe 5 is fixedly installed on one side of the box body 1. The waste gas pipe 5 is communicated with the interior of the treatment chamber 2, and the first filter plate is fixedly installed in the treatment chamber 2. 6. A water pump 7 is fixedly installed on the side of the box body 1 away from the waste gas pipe 5, and a first water pipe 8 is fixedly installed at the suction end of the water pump 7. The end of the first water pipe 8 away from the water pump 7 extends into the treatment chamber 2 and is located in the first Below the filter plate 6, a second water pipe 9 is fixedly installed at the discharge end of the water pump 7, a third water pipe 10 is installed in the treatment chamber 2, and two inclined nozzles 11 and two straight nozzles 12 are fixedly installed at the bottom of the third water pipe 10. , the bottom inner wall of the fixed cavity 3 is provided with a first through hole 13, a connecting pipe 14 is rotatably installed in the first through hole 13, the connecting pipe 14 is a hollow structure, and both ends of the connecting pipe 14 extend to the first through hole 13 In addition, the bottom end of the connecting pipe 14 is fixedly connected with the top of the third water pipe 10, the connecting pipe 14 is communicated with the third water pipe 10, the end of the second water pipe 9 away from the water pump 7 extends into the connecting pipe 14, and the connecting pipe 14 is fixed on the A first gear 15 located in the fixed cavity 3 is sleeved, a first motor 16 is fixedly installed on the bottom inner wall of the fixed cavity 3, and a second gear 17 is fixedly installed at the output end of the first motor 16. A gear 15 is engaged, a box cover 18 is fixedly installed on the top of the box body 1, and a condensate plate 19 and an activated carbon mesh plate 20 are fixedly installed in the filter cavity 4. The condensate plate 19 is located below the activated carbon mesh plate 20, and the filter cavity 4 A rectangular hole 21 is opened on the inner wall of the bottom of the box, and a second filter plate 22 is fixedly installed in the rectangular hole 21. One side of the box body 1 is fixedly installed with an air outlet pipe 23 located above the exhaust pipe 5. The air outlet pipe 23 is connected to the inside of the filter cavity 4 A second through hole 24 is opened on one side of the inner wall of the processing chamber 2, a stirring rod 25 is rotatably installed in the second through hole 24, and both ends of the stirring rod 25 extend into the second through hole 24. A second motor 26 is fixedly installed on one side of the 1 , and the output shaft end of the second motor 26 is fixedly connected with one end of the stirring rod 25 .

The tank body 1 is fixedly installed with a liquid filling pipe 27 away from the waste gas pipe 5, and the liquid filling pipe 27 is communicated with the interior of the processing chamber 2. The water supply pipe 28 under the waste gas pipe 5 is fixedly installed with a first shut-off valve, the water supply pipe 28 is communicated with the interior of the treatment chamber 2, and one side of the box body 1 is fixedly installed with a residual pipe 29 located under the water pump 7 A second stop valve is fixedly installed on the residual discharge pipe 29, the residual discharge pipe 29 is communicated with the interior of the treatment chamber 2, the connecting pipe 14 is fixedly sleeved with a first bearing, and the outer ring of the first bearing is connected to the first through hole 13 The inner wall is fixedly connected, the second water pipe 9 is fixedly sleeved with a second bearing located in the connecting pipe 14, the second bearing is fixedly connected with the inner wall of the connecting pipe 14, the stirring rod 25 is fixedly sleeved with a third bearing, the third The outer ring of the bearing is fixedly connected to the inner wall of the second through hole 24, a cleaning port is opened on the inner wall of one side of the processing chamber 2, and a cleaning door is fixedly installed on one side of the box 1, and the cleaning door is adapted to the cleaning port. A baffle is fixedly installed on the inner wall of one side of the cavity 2 , and the baffle is arranged obliquely, and the baffle is located above the exhaust pipe 5 .

When in use, the box cover 18 is fixedly installed on the top of the box body 1 through a plurality of screws, and can be dismantled. Open the first stop valve on the water supply pipe 28, a control switch and a power cord are installed on the box body 1, the water pump 7, the first motor 16, the second motor 26, the control switch and the power cord are electrically connected in sequence to form a loop, the control switch The start and stop of the water pump 7, the first motor 16 and the second motor 26 can be controlled respectively, an appropriate amount of clean water can be injected into the treatment chamber 2, and the end cap on the liquid addition pipe 27 can be unscrewed to add an appropriate amount of alkalinity into the treatment chamber 2. Pharmacy, start the second motor 26 to work, the second motor 26 drives the stirring rod 25 to rotate, and the stirring rod 25 can be used to stir and mix the clean water and the alkaline chemical to form an alkaline solution, and the phenolic waste gas enters the treatment chamber 2 from the waste gas pipe 5 Inside, the water pump 7 and the first motor 16 are started to work, and the alkaline solution in the treatment chamber 2 is pumped into the third water pipe 10 through the first water pipe 8, the water pump 7 and the second water pipe 9 in sequence by the transportation of the water pump 7, and the Atomized and sprayed from the two inclined nozzles 11 and the two straight nozzles 12, the first motor 16 drives the second gear 17 to rotate, the second gear 17 drives the first gear 15 and the connecting pipe 14 to rotate, and the connecting pipe 14 drives the third water pipe 10 and the two inclined nozzles 11 and the two straight nozzles 12 are rotated, so that the atomized lye is evenly sprayed in the treatment chamber 2, and the atomized lye can be fully contacted and reacted with the phenolic waste gas, which improves the efficiency of the treatment. The treatment and purification effect of phenolic waste gas, the atomized lye water mist and the phenolic waste gas contact and react to neutralize, and the reactants and the dust particles in the phenolic waste gas fall on the first filter plate 6, and use The first filter plate 6 blocks and filters the reactants and dust particles, and the filtered alkaline solution passes through the first filter plate 6 and returns to the alkaline solution, and the alkaline solution can be recycled through the circulating flow of the water pump 7. , save resources, so that the alkaline solution can be fully contacted with the phenolic waste gas to produce a neutralization reaction, and the treated waste gas is discharged from the gas outlet pipe 23 through the second filter plate 22, the condensate plate 19 and the activated carbon mesh plate 20 in turn, and the first The second filter plate 22 blocks the dust and impurities in the exhaust gas to prevent the dust and impurities from being discharged from the exhaust pipe 23, and uses the condensation plate 19 to condense the water mist in the exhaust gas to prevent the exhaust gas from carrying water mist from the exhaust pipe 23. The plate 20 adsorbs and purifies the fine dust particles, residual chlorine, peculiar smell, etc. in the exhaust gas, thereby improving the purification effect of the exhaust gas treatment. After the work is completed, the water pump 7 and the first motor 16 are stopped, and the lower box cover 18 can be removed regularly. It is convenient to clean the surface of the activated carbon mesh plate 20. Regularly open the second shut-off valve on the residual pipe 29 to discharge the sewage in the treatment chamber 2 and replace it. Periodically remove the cleaning door to remove impurities on the first filter plate 6. The particles are removed, and the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

To sum up, for this device for purifying and treating phenolic waste gas, inject an appropriate amount of clean water into the treatment chamber 2, unscrew the end cover on the liquid addition pipe 27, add an appropriate amount of alkaline agent into the treatment chamber 2, and start the operation. The second motor 26 drives the stirring rod 25 to rotate, and the stirring rod 25 can be used to stir and mix the clean water and the alkaline agent evenly to form an alkaline solution. The phenolic waste gas enters the treatment chamber 2 from the waste gas pipe 5, and the water pump 7 and the first motor are started. 16 works, and the alkaline solution in the treatment chamber 2 is pumped into the third water pipe 10 by the transportation of the water pump 7, and sprayed out from the two inclined nozzles 11 and the two straight nozzles 12, and the first motor 16 drives the first motor 16. The second gear 17 rotates, the second gear 17 drives the first gear 15 and the connecting pipe 14 to rotate, the third water pipe 10 and the two inclined nozzles 11 and the two straight nozzles 12 rotate, so that the atomized lye is evenly sprayed in the treatment chamber 2, can make the atomized lye fully contact and react with phenol waste gas, improve the treatment and purification effect of phenol waste gas, and the lye water mist sprayed by atomization will have a neutralization reaction in contact with phenol waste gas, The reactants and dust particles in the phenolic waste gas fall onto the first filter plate 6, and the reactants and dust particles are blocked and filtered by the first filter plate 6, and the alkaline solution can be circulated through the circulating flow of the water pump 7 Utilize and save resources, so that the alkaline solution can fully contact the phenolic waste gas to generate neutralization reaction, use the second filter plate 22 to block the dust impurities in the waste gas, prevent the dust impurities from being discharged from the gas outlet pipe 23, and use the condensate plate 19 The water mist in the exhaust gas is condensed to prevent the exhaust gas from carrying the water mist from the exhaust pipe 23, and the activated carbon mesh plate 20 is used to adsorb and purify the fine dust particles, residual chlorine, peculiar smell, etc. in the exhaust gas, and the purified exhaust gas is discharged from the exhaust pipe. 23 discharge, which improves the purification effect of waste gas treatment. The lower box cover 18 can be removed regularly to facilitate the cleaning of the surface of the activated carbon mesh plate 20. Regularly open the second stop valve on the residual pipe 29 to discharge the sewage in the treatment chamber 2. , replace it, remove the lower cleaning door regularly, and remove the impurity particles on the first filter plate 6, the utility model has reasonable design, good practicability, good purification treatment effect on waste gas, and neutralization of alkaline solution and phenolic waste gas. And the reaction is sufficient, and the alkaline liquid can be recycled, the alkaline solution can be fully utilized, and it has the effect of energy saving.

Claims (7)

1. The utility model provides a be used for phenol type exhaust purification processing apparatus, includes box (1), its characterized in that: the processing device is characterized in that a processing chamber (2), a fixed chamber (3) and a filter chamber (4) are arranged on a box body (1), the tops of the fixed chamber (3) and the filter chamber (4) are both formed by openings, a waste gas pipe (5) is fixedly arranged on one side of the box body (1), the waste gas pipe (5) is communicated with the interior of the processing chamber (2), a first filter plate (6) is fixedly arranged in the processing chamber (2), a water pump (7) is fixedly arranged on one side, far away from the waste gas pipe (5), of the box body (1), a first water pipe (8) is fixedly arranged at the suction end of the water pump (7), one end, far away from the water pump (7), of the first water pipe (8) extends into the processing chamber (2) and is positioned below the first filter plate (6), a second water pipe (9) is fixedly arranged at the discharge end of the water pump (7), a third water pipe (10) is arranged in the processing chamber (2), two inclined spray heads (11) and two straight spray heads, a first through hole (13) is formed in the inner wall of the bottom of the fixed cavity (3), a connecting pipe (14) is rotatably installed in the first through hole (13), the connecting pipe (14) is of a hollow structure, two ends of the connecting pipe (14) both extend out of the first through hole (13), the bottom end of the connecting pipe (14) is fixedly connected with the top of a third water pipe (10), the connecting pipe (14) is communicated with the third water pipe (10), one end, far away from the water pump (7), of the second water pipe (9) extends into the connecting pipe (14), a first gear (15) positioned in the fixed cavity (3) is fixedly sleeved on the connecting pipe (14), a first motor (16) is fixedly installed on the inner wall of the bottom of the fixed cavity (3), a second gear (17) is fixedly installed at the output end of the first motor (16), the second gear (17) is meshed with the first gear (15), a box cover (18) is fixedly installed at the top of the box body (1), fixed mounting has congeals water board (19) and active carbon otter board (20) in filter chamber (4), it is located the below of active carbon otter board (20) to congeal water board (19), rectangular hole (21) have been seted up on the bottom inner wall of filter chamber (4), fixed mounting has second filter (22) in rectangular hole (21), one side fixed mounting of box (1) has outlet duct (23) that is located exhaust pipe (5) top, outlet duct (23) and filter chamber (4) inside are linked together, second through-hole (24) have been seted up on one side inner wall of processing chamber (2), puddler (25) are installed to second through-hole (24) internal rotation, the both ends of puddler (25) all extend to in second through-hole (24), one side fixed mounting of box (1) has second motor (26), the output axle head of second motor (26) and the one end fixed connection of puddler (25).

2. The purification treatment device for phenol waste gas according to claim 1, characterized in that: the waste gas pipe (5) is far away from the box body (1), a liquid adding pipe (27) is fixedly installed on the box body (1), the liquid adding pipe (27) is communicated with the inside of the treatment cavity (2), and an end cover is installed on the top end of the liquid adding pipe (27) in a threaded mode.

3. The purification treatment device for phenol waste gas according to claim 1, characterized in that: a water supply pipe (28) positioned below the waste gas pipe (5) is fixedly installed on one side of the box body (1), a first stop valve is fixedly installed on the water supply pipe (28), and the water supply pipe (28) is communicated with the inside of the processing cavity (2).

4. The purification treatment device for phenol waste gas according to claim 1, characterized in that: one side of the box body (1) is fixedly provided with a residue discharge pipe (29) positioned below the water pump (7), the residue discharge pipe (29) is fixedly provided with a second stop valve, and the residue discharge pipe (29) is communicated with the inside of the treatment cavity (2).

5. The purification treatment device for phenol waste gas according to claim 1, characterized in that: the connecting pipe (14) is fixedly sleeved with a first bearing, the outer ring of the first bearing is fixedly connected with the inner wall of the first through hole (13), the second water pipe (9) is fixedly sleeved with a second bearing located in the connecting pipe (14), and the second bearing is fixedly connected with the inner wall of the connecting pipe (14).

6. The purification treatment device for phenol waste gas according to claim 1, characterized in that: and a third bearing is fixedly sleeved on the stirring rod (25), and the outer ring of the third bearing is fixedly connected with the inner wall of the second through hole (24).

7. The purification treatment device for phenol waste gas according to claim 1, characterized in that: the cleaning opening is formed in the inner wall of one side of the treatment cavity (2), a cleaning door is fixedly mounted on one side of the box body (1), the cleaning door is matched with the cleaning opening, a baffle is fixedly mounted on the inner wall of one side of the treatment cavity (2), the baffle is arranged in an inclined mode, and the baffle is located above the waste gas pipe (5).

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