CN217746387U

CN217746387U - ABS resin production exhaust-gas treatment equipment

Info

Publication number: CN217746387U
Application number: CN202221630169.1U
Authority: CN
Inventors: 徐铎; 张效全; 刘�文; 衣同刚; 李军华; 李瑞涛; 窦玉玲; 郗珍
Original assignee: Shandong Donglin New Materials Co ltd
Current assignee: Shandong Donglin New Materials Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-08
Anticipated expiration: 2032-06-27

Abstract

The waste gas treatment equipment for the ABS resin production comprises a shell, wherein a spraying device is arranged at the upper part of the shell, a fixing plate is arranged below the spraying device, the shell is divided into an upper cavity and a lower cavity by the fixing plate, a waste gas inlet pipeline is inserted into the upper cavity, and a first regulating valve is arranged on the waste gas inlet pipeline; the upper cavity is connected with a water collecting device through a water pipeline, and the water collecting device is connected with an active carbon filtering device; the active carbon filtering device is connected with a secondary filtering device, one side of the bottom of the active carbon filtering device is provided with an air discharging pipeline, and the other side of the bottom of the active carbon filtering device is provided with an air returning pipeline; the water collecting device comprises a wastewater collecting tank, the side wall of the wastewater collecting device is connected with a precipitation tank, the side wall of the precipitation tank is provided with a liquid return tank, the precipitation tank is communicated with the side wall of the liquid return tank, the top of the liquid return tank is provided with a water pump, one end of the water pump is connected with the liquid return tank, and the other end of the water pump extends to the spraying device. This equipment recoverable processing waste gas in-process water avoids causing the waste to can be to waste gas secondary filter, can also not reach the waste gas refilter that discharges the accuracy.

Description

ABS resin production exhaust-gas treatment equipment

Technical Field

The utility model belongs to the waste gas treatment field especially relates to an ABS resin waste gas

And (4) processing the equipment.

Background

The waste gas treatment is also called waste gas purification, and the waste gas treatment refers to the work of pretreating waste gas generated in industrial places and factory workshops before the waste gas is externally discharged so as to reach the national standard of the external discharge of the waste gas, and the general waste gas treatment comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection and purification and the like.

An authorized bulletin number CN216023887U discloses an ABS resin industrial production waste gas treatment device, which comprises: the shell is an external shell of the device and plays a role in fixing and supporting the device, and a flow distribution plate is arranged in the shell; the partition board is arranged in the shell, and the lower end of the partition board is connected with a first sealing plate; the second sealing plate is arranged in the shell, and a first exhaust pipe is arranged at the lower end of the second sealing plate; and the inner barrel is arranged inside the shell, and a discharge pipe is arranged on the outer surface of the inner barrel. When the device is used for treating waste gas, a large amount of water is needed, but the device does not recycle the water, so that certain waste is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ABS resin waste gas treatment equipment to the solution carries out cyclic utilization's technical problem to water.

In order to achieve the purpose, the utility model discloses a ABS resin production exhaust-gas treatment equipment's concrete technical scheme as follows:

the waste gas treatment equipment for the ABS resin production comprises a shell, wherein a spraying device is arranged at the upper part of the shell, a fixing plate is arranged below the spraying device, the shell is divided into an upper cavity and a lower cavity by the fixing plate, a waste gas inlet pipeline is inserted into the upper cavity, and a first regulating valve is arranged on the waste gas inlet pipeline; the upper cavity is connected with a water collecting device through a water pipeline, and the water pipeline is provided with a second regulating valve; the water collecting device is connected with an active carbon filtering device; the active carbon filtering device is connected with a secondary filtering device, one side of the bottom of the active carbon filtering device is provided with an air discharging pipeline, the other side of the bottom of the active carbon filtering device is provided with an air returning pipeline, the air returning pipeline is provided with a fifth regulating valve, and the air returning pipeline is inserted into the upper cavity;

the water collecting device comprises a wastewater collecting tank, the side wall of the water collecting device is connected with a precipitation tank, the side wall of the precipitation tank is provided with a liquid return tank, the precipitation tank is communicated with the side wall of the liquid return tank, the top of the liquid return tank is provided with a water pump, one end of the water pump is connected with the liquid return tank, and the other end of the water pump extends to the top of the spraying device.

Further, spray set includes the inlet channel, and the inlet channel inserts from casing top central authorities to in extending to the casing, the inlet channel is connected with the shower dish, set up a plurality of shower nozzles under the shower dish, and with shower nozzle fixed connection, the shower nozzle below sets up the fixed plate.

Furthermore, the top of the wastewater collecting tank is connected with the fixed plate through a water flowing pipeline, the side wall of the wastewater collecting tank is connected with a settling tank through a sewer pipeline, and a third regulating valve is arranged on the sewer pipeline.

Furthermore, the sedimentation tank is close to casing one side and sets up the outflow pipeline to set up the fourth governing valve on the outflow pipeline.

Furthermore, a filter screen is arranged at the communication part of the settling tank and the liquid return tank.

Furthermore, active carbon is arranged in the active carbon filtering device.

Furthermore, staggered filter plates are arranged in the secondary filter device.

Further, a first exhaust fan and a detection element are arranged on the air exhaust pipeline.

Further, a second exhaust fan is arranged on the air return pipeline.

The utility model discloses a ABS resin production exhaust-gas treatment equipment has following advantage: the sedimentation tank, the liquid return tank, the water pump and the liquid return pipeline are arranged, so that water in the wastewater collection tank can be recovered, and waste is avoided; the secondary filter device is arranged, staggered filter plates are arranged in the secondary filter device, the emission qualification rate can be improved, the secondary filter device is provided with an air return pipeline, gas which is detected to be unqualified in the air discharge pipeline enters the upper cavity again through the air return pipeline, and the gas is filtered again until the qualified emission standard is reached.

Drawings

FIG. 1 is a schematic structural view of the front view of the device of the present invention;

FIG. 2 is a schematic view of a partially enlarged view of the apparatus of the present invention;

the notation in the figure is: 1, a shell; 2, a spraying device; 201 a water inlet pipe; 202, spraying a disc; 203 spray heads; 3 waste gas inlet pipe; 4 a first regulating valve; 5 a second regulating valve; 6. a flow pipe; 7, a waste water collecting tank; 8, a sewer pipeline; 9 a third regulating valve; 10, a settling tank; 11 an outflow conduit; 12 a fourth regulator valve; 13, filtering the net; 14 returning to the liquid tank; 15 water pump; 16. an activated carbon filtration device; 17 a secondary filtration device; 18 a filter plate; 19 a return air duct; 20. a fifth regulating valve; 21 a bleed air duct; 22 a first exhaust fan; 23 a sixth regulating valve; 24 liquid return pipelines; 25 fixing the plate; 26 an upper cavity; 27 a lower cavity; 28 second exhaust fan.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a ABS resin production exhaust-gas treatment equipment, including casing 1, casing 1 is used for supporting whole equipment, and casing 1 upper portion sets up spray set 2, and spray set 2 below sets up fixed plate 25, and fixed plate 25 divides casing 1 into epicoele 26 and cavity of resorption 27, and waste gas inlet pipeline 3 inserts in the epicoele 26 to set up first governing valve 4 on the waste gas inlet pipeline 3 for the entering of control waste gas.

The spraying device 2 comprises a water inlet pipe 201, the water inlet pipe 201 is inserted from the center of the top of the shell 1 and extends into the shell 1, the water inlet pipe 201 is connected with a spraying disc 202, and a plurality of spraying heads 203 are arranged below the spraying disc 202 and fixedly connected with the spraying heads 203. Open first governing valve 4, waste gas passes through waste gas inlet pipe 3 and gets into in the epicoele 26, adds water at inlet channel 201, and water flows through the shower plate 202 from inlet channel 201, finally flows out from shower nozzle 203, and impurity in the waste gas washes through the water, can effectively separate impurity in the waste gas.

As shown in fig. 1 and 2, the upper chamber 26 is connected with a water collecting device through a water flowing pipeline 6, the water flowing pipeline 6 is provided with a second regulating valve 5 for controlling the entering of waste water and waste gas, the water collecting device comprises a waste water collecting tank 7, the top of the waste water collecting tank 7 is connected with a fixed plate 25 through the water flowing pipeline 6, the side wall is connected with a precipitation tank 10 through a sewer pipeline 8, the sewer pipeline 8 is provided with a third regulating valve 9, the precipitation tank 10 is provided with an outflow pipeline 11 near one side of the housing 1, and the outflow pipeline 11 is provided with a fourth regulating valve 12 for discharging waste water during long-time use; the setting of 1 one side of casing is kept away from to precipitation tank 10 returns cistern 14 to

precipitation tank

10 and 14 lateral walls of liquid return tank communicate, and the intercommunication place sets up filter screen 13 for filter aquatic impurity, and liquid return tank 14 top sets up water pump 15, is used for extracting 14 normal waters in the liquid return tank, and liquid return tank 14 is connected to water pump 15 one end, and the other end extends to inlet channel 201 top through liquid return pipe 19, and water pump 15 can extract the water in liquid return tank 14, gets into inlet channel 201. In order to separate impurities in the waste gas, a large amount of water is needed, and through the arrangement of the precipitation tank 10, the liquid return tank 14, the water pump 15 and the liquid return pipeline 24, the water in the waste water collecting tank 7 can be recovered, so that waste is avoided.

The wastewater collection tank 7 is connected with an activated carbon filtering device 16, and the connection parts of the wastewater collection tank are positioned at the top part, because the density of the waste gas is low, the waste gas mainly floats into the activated carbon filtering device 16 through the top part of the wastewater collection tank 7; the activated carbon filter 16 is provided with activated carbon for filtering harmful substances in the exhaust gas.

Because ABS waste gas composition is more complicated, difficult qualified emission standard that reaches, activated carbon filter 16 is connected with secondary filter 17, set up crisscross filter 18 in the secondary filter 17, make waste gas flow in along tortuous pipeline, increase area of contact, secondary filter 17 bottom is kept away from precipitation tank 10 one side and is set up return air duct 19, and set up fifth governing valve 20 on the return air duct 19, still set up second exhaust fan 28 on the return air duct 19, be used for accelerating return air duct 19 exhaust velocity, make waste gas secondary filter, return air duct 19 inserts in the epicoele 26, secondary filter 17 bottom is close to precipitation tank 10 one side and sets up exhaust duct 21, and set up first exhaust fan 22 on the exhaust duct 21, be used for accelerating the last exhaust velocity of pipeline, set up sixth governing valve 23 on the exhaust duct 21, be used for controlling the discharge of waste gas. One end of the air discharge pipeline 21 is also connected with a detection element (not shown in the figure), and the waste gas contains toxic substances, so that the waste gas can be discharged after the detection of the detection element is qualified; if the waste gas is unqualified, the first regulating valve 4 is closed, the sixth regulating valve 23 is closed, the fifth regulating valve 20 is opened, and the unqualified waste gas enters the equipment again to be filtered until the waste gas is qualified.

The working process of the device is as follows: firstly, opening a first regulating valve 4, closing a second regulating valve 5, enabling waste gas to enter an upper cavity 26, adding water into a water inlet pipeline 201, flushing the waste gas through a spraying device 2, effectively separating impurities in the waste gas, after the flushing is finished, closing the first regulating valve 4, opening the second regulating valve 5, enabling water and the waste gas to enter a waste water collecting tank 7, connecting the waste water collecting tank 7 with an activated carbon filtering device 16, enabling connecting parts to be located at the top, enabling the waste gas to enter the activated carbon filtering device 16 from the top of the waste water collecting tank 7 for primary filtering, enabling the activated carbon filtering device 16 to be connected with a secondary filtering device 17, enabling the waste gas to enter the secondary filtering device 17 for secondary filtering, opening a sixth regulating valve 23 after the filtering is finished, enabling the gas to flow out through an air discharge pipeline 21, detecting through a detecting element, discharging after the gas is qualified, closing a sixth regulating valve 23 when the gas is unqualified, opening a fifth regulating valve 20, and further arranging a second exhaust fan 28 on an air return pipeline 19, and accelerating the exhaust speed of the air return pipeline 19, enabling the waste gas to be filtered again and recycled; in addition, when gas and water flow through the wastewater collection tank 7, the side wall is connected with the precipitation tank 10 through the sewer pipeline 8, the third regulating valve 9 is opened, the water flows through the precipitation tank 10 through the sewer pipeline 8, the precipitation tank 10 is connected with the liquid return tank 14, the connection part is provided with the filter screen 13 which can filter impurities in the water, the water pump 15 can pump water from the liquid return tank 14 and is added into the water inlet pipeline 201, and the waste of water resources is avoided; and after the device works for a period of time, the fourth regulating valve 12 can be opened to discharge the waste water in the settling tank 10.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The ABS resin production waste gas treatment equipment is characterized by comprising a shell (1), wherein a spraying device (2) is arranged at the upper part of the shell (1), a fixing plate (25) is arranged below the spraying device (2), the shell (1) is divided into an upper cavity (26) and a lower cavity (27) by the fixing plate (25), a waste gas inlet pipeline (3) is inserted into the upper cavity (26), and a first regulating valve (4) is arranged on the waste gas inlet pipeline (3); the upper cavity (26) is connected with a water collecting device through a water flowing pipeline (6), and the water flowing pipeline (6) is provided with a second regulating valve (5); the water collecting device is connected with an active carbon filtering device (16); the active carbon filtering device (16) is connected with a secondary filtering device (17), one side of the bottom of the active carbon filtering device is provided with an air discharge pipeline (21), the other side of the bottom of the active carbon filtering device is provided with an air return pipeline (19), the air return pipeline (19) is provided with a fifth regulating valve (20), and the air return pipeline (19) is inserted into the upper cavity;

the water collecting device comprises a wastewater collecting tank (7), the side wall of the wastewater collecting device is connected with a settling tank (10), the side wall of the settling tank (10) is provided with a liquid return tank (14) and communicated with the side wall of the liquid return tank (14), a water pump (15) is arranged at the top of the liquid return tank (14), one end of the water pump (15) is connected with the liquid return tank (14), and the other end of the water pump extends to the upper part of the spraying device (2).

2. The ABS resin production waste gas treatment equipment as recited in claim 1, wherein the spraying device (2) comprises a water inlet pipe (201), the water inlet pipe (201) is inserted from the center of the top of the shell (1) and extends into the shell (1), the water inlet pipe (201) is connected with a spraying disc (202), and a plurality of spray heads (203) are arranged below the spraying disc (202) and fixedly connected with the spray heads (203).

3. The ABS resin production exhaust gas treatment device according to claim 2, wherein the top of the wastewater collection tank (7) is connected with the fixed plate (25) through a water flowing pipeline (6), the side wall is connected with the settling tank (10) through a sewer pipeline (8), and a third regulating valve (9) is arranged on the pipeline.

4. The ABS resin process exhaust gas treatment device according to claim 3, wherein the settling tank (10) is provided with an outflow pipe (11) near one side of the housing (1), and the outflow pipe (11) is provided with a fourth regulating valve (12).

5. The ABS resin production exhaust gas treatment device according to claim 4, wherein a filter screen (13) is arranged at a communication position of the precipitation tank (10) and the liquid return tank (14).

6. The ABS resin production exhaust gas treatment device according to claim 5, wherein activated carbon is arranged in the activated carbon filtering device (16).

7. The apparatus for treating waste gas from the production of ABS resin according to claim 6, wherein the secondary filter device (17) is provided with staggered filter plates (18).

8. The apparatus for treating exhaust gas from ABS resin production according to claim 7, wherein the air discharge duct (21) is provided with a first exhaust fan (22) and a detection element.

9. The apparatus for treating waste gas generated in ABS resin production as recited in claim 7, wherein a second exhaust fan (28) is provided on the return air duct (19).