CN214209939U

CN214209939U - Waste gas treatment device is used in light brick production

Info

Publication number: CN214209939U
Application number: CN202023207504.0U
Authority: CN
Inventors: 吴聪聪; 李坤同; 郭振武
Original assignee: Dengfeng Zhiqiang Welfare Refractory Co ltd
Current assignee: Dengfeng Zhiqiang Welfare Refractory Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-17
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a waste gas treatment device for producing light bricks, which comprises a tubular heat exchanger, a spray tower, an alkali liquor pool, an organic solvent tank and a chimney; tube side entry and the exhaust-gas connection of tubulation heat exchanger, tube side outlet pipe connects to the spray column, the shell side entry is equipped with the draught fan, shell side outlet pipe connects to the mill needs high-temperature gas's position, be equipped with the spray tube in the spray column, be equipped with the shower nozzle on the spray tube, the bottom of spray column is equipped with the liquid outlet, the lye pond sets up the below at the liquid outlet, the bottom in lye pond is equipped with the lye pipe of being connected with the spray tube, be equipped with the lye pump on the lye pipe, the top of spray column is equipped with first blast pipe, first blast pipe is connected with the T type union coupling of setting in the organic solvent case, the bottom of T type pipe is equipped with the gas outlet, the top of organic solvent case is connected to the bottom of chimney through the second blast pipe. The utility model discloses can carry out purification treatment to waste gas high-efficiently under energy-conserving prerequisite, structural design is simple, novel, and the practicality is strong.

Description

Waste gas treatment device is used in light brick production

Technical Field

The utility model belongs to the technical field of brickyard exhaust-gas treatment, concretely relates to exhaust-gas treatment device is used in light brick production.

Background

When the light brick is produced, pug needs to be treated, formed, dried and roasted, in the brick firing process, because the brick is roasted at high temperature, waste gas is generated certainly, the waste gas often contains some polluting impurities such as sulfur, rock particles, coal gangue particles and the like, and in order to avoid causing harm to the environment, the waste gas needs to be filtered and purified.

The environmental protection filter equipment that brickyard exhaust-gas treatment in market used all directly makes waste gas filter through the dust removal sack, but the particle that the dust removal sack can filter down has the limitation, leads to the waste gas after the filtration still to contain other polluting granule to heat in the waste gas also can't recycle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of prior art, provide a waste gas treatment device is used in light brick production, concrete scheme is as follows:

a waste gas treatment device for producing light bricks comprises a tube-in-tube heat exchanger, a spray tower, an alkali liquor pool, an organic solvent tank and a chimney; the tube side inlet of the tube nest heat exchanger is connected with a waste gas pipe used for discharging waste gas, the tube side outlet pipeline of the tube nest heat exchanger is connected to the bottom of the spray tower, the shell side inlet of the tube nest heat exchanger is provided with an induced draft fan, the shell side outlet pipeline of the tube nest heat exchanger is connected to a position of a factory needing high-temperature gas, a spray pipe is arranged in the spray tower, a plurality of spray heads are arranged on the spray pipe, a liquid outlet is arranged at the bottom of the spray tower, an alkaline liquid pool is arranged below the liquid outlet, an alkaline liquid pipe connected with the spray pipe is arranged at the bottom of the alkaline liquid pool, an alkaline liquid pump is arranged on the alkaline liquid pipe, a first exhaust pipe is arranged at the top of the spray tower, the first exhaust pipe is connected with a T-shaped pipe which is rotatably arranged in the organic solvent box through a rotary joint, a stirring motor is further arranged on the organic solvent box, and drives the T-shaped pipe to rotate through a gear structure, the bottom of the T-shaped pipe is provided with a plurality of air outlets, the top of the organic solvent tank is connected to the bottom of the chimney through a second exhaust pipe, and an active carbon filtering component is arranged above the inner part of the chimney; and the draught fan, the lye pump and the stirring motor are electrically connected to the controller.

Based on the above, be equipped with in the alkali lye pond with controller electric connection's pH meter.

Based on the above, be equipped with many puddlers on the T type pipe, the equipartition is equipped with the burr on the puddler.

Based on the above, the top of chimney is equipped with rain-proof cover.

The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model has the following advantages:

1. the utility model discloses in, earlier pass through the shell and tube heat exchanger with waste gas, utilize air and waste gas to carry out the heat transfer, take away the heat in the waste gas, the air after the heat transfer is used for the mill to need high-temperature gas's place, can save a large amount of energy.

2. The utility model discloses in, utilize alkali lye to spray waste gas, not only can detach the particulate matter in the waste gas, more can detach the acidic material in the waste gas.

3. The utility model discloses in, spray and handle back waste gas and get into organic solvent case through T type pipe for organic matter in the waste gas is dissolved in organic solvent, has further realized the purification to waste gas.

4. The utility model discloses in, T type pipe is driven by agitator motor, sets up the puddler on the T type pipe, and the equipartition sets up the burr on the puddler, and this structural design changes in waste gas is dissolved in organic solvent, has improved the treatment effeciency to waste gas.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1. an exhaust gas pipe; 2. a heat exchanger; 3. a spray tower; 4. an induced draft fan; 5. a nozzle; 6. a spray head; 7. a liquid outlet; 8. an alkaline solution pool; 9. an alkali liquor tube; 10. an alkaline liquid pump; 11. a first exhaust pipe; 12. an organic solvent tank; a T-shaped tube; 14. an air outlet; 15. a stirring rod; 16. deburring; 17. a rotary joint; 18. a stirring motor; 19. a gear structure; 20. a second exhaust pipe; 21. a chimney; 22. an activated carbon filter assembly; 23. a rain cover; a pH meter; 25. and a controller.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

Examples

As shown in figure 1, the utility model provides a waste gas treatment device is used in light brick production, including shell and tube heat exchanger 2, spray column 3, lye pond 8, organic solvent case 12 and chimney 21.

The tubular heat exchanger 2 is mainly used for recovering heat in waste gas, a tube pass inlet of the tubular heat exchanger is connected with a waste gas pipe 1 used for discharging the waste gas, a tube pass outlet pipeline of the tubular heat exchanger 2 is connected to the bottom of the spray tower 3, a shell pass inlet of the tubular heat exchanger 2 is provided with an induced draft fan 4, a shell pass outlet pipeline of the tubular heat exchanger 2 is connected to a position of a factory needing high-temperature gas, a spray pipe 5 is arranged in the spray tower 3, the spray pipe 5 is provided with a plurality of spray heads 6, the bottom of the spray tower 3 is provided with a liquid outlet 7, an alkali liquid pool 8 is arranged below the liquid outlet 7, the bottom of the alkali liquid pool 8 is provided with an alkali liquid pipe 9 connected with the spray pipe 5, the alkali liquid pipe 9 is provided with an alkali liquid pump 10, the top of the spray tower 3 is provided with a first exhaust pipe 11, and the first exhaust pipe 11 is connected with a T-shaped pipe 13 rotatably arranged in the organic solvent tank 12 through a rotary joint 17, the organic solvent tank 12 is further provided with a stirring motor 18, the stirring motor 18 drives the T-shaped pipe 13 to rotate through a gear structure 19, the bottom of the T-shaped pipe 13 is provided with a plurality of air outlets 14, and the top of the organic solvent tank 12 is connected to the bottom of a chimney 21 through a second exhaust pipe 20.

In order to remove the odor from the exhaust gas, an activated carbon filter module 22 is provided above the interior of the stack 21.

In order to facilitate the treatment of the whole exhaust gas treatment device, the induced draft fan 4, the lye pump 10 and the stirring motor 18 are electrically connected to the controller 25.

In order to ensure the spraying treatment effect on the waste gas, the pH value in the alkaline solution tank 8 needs to be monitored in real time, and a pH meter 24 electrically connected with the controller 25 is arranged in the alkaline solution tank 8.

In order to ensure the adsorption effect on organic matters in the waste gas, a plurality of stirring rods 15 are arranged on the T-shaped pipe 13, and burrs 16 are uniformly distributed on the stirring rods 15.

In order to prevent rainwater from entering the chimney 21, a rain cover 23 is arranged at the top end of the chimney 21.

The utility model discloses concrete theory of operation: waste gas generated in the baking process of the light bricks enters a tubular heat exchanger 2 through a waste gas pipe 1, air entering from a shell pass inlet exchanges heat with the waste gas and then is discharged to a place required by a factory through a pipeline to achieve an energy-saving effect, the waste gas after heat exchange enters a spray tower 3 and is sprayed by alkali liquor, acidic substances and partial impurities in the waste gas are absorbed and treated by the alkali liquor, then the waste gas enters an organic solvent box 12, organic matters in the waste gas are absorbed by the organic solvent in the organic solvent box 12, then the waste gas discharged from the organic solvent box 12 enters a chimney 21, impurities and peculiar smell in the waste gas are thoroughly removed after the waste gas is filtered by an active carbon filtering component 22, and pollution-free discharge of the waste gas is achieved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a waste gas treatment device is used in light brick production which characterized in that: comprises a tube heat exchanger (2), a spray tower (3), an alkali liquor pool (8), an organic solvent box (12) and a chimney (21); the utility model discloses a spray tower, including shell and tube heat exchanger (2), shell and tube heat exchanger (3), spray tower (3) are equipped with spray pipe (5) in the bottom, shell inlet of shell and tube heat exchanger (2) is equipped with draught fan (4), and shell outlet pipe of shell and tube heat exchanger (2) is connected to the position that needs high temperature gas in the mill, is equipped with spray tube (5) in spray tower (3), be equipped with a plurality of shower nozzles (6) on spray tube (5), the bottom of spray tower (3) is equipped with liquid outlet (7), lye pond (8) set up the below of liquid outlet (7), the bottom of lye pond (8) are equipped with lye pipe (9) of being connected with spray tube (5), be equipped with lye pump (10) on lye pipe (9), the top of spray tower (3) is equipped with first blast pipe (11), first blast pipe (11) set up with rotating T type pipe (13) in organic solvent case (12) are through waste gas pipe (1) that are used for discharging waste gas The device comprises a rotating joint (17), an organic solvent tank (12) and a stirring motor (18), wherein the stirring motor (18) drives a T-shaped pipe (13) to rotate through a gear structure (19), the bottom of the T-shaped pipe (13) is provided with a plurality of air outlets (14), the top of the organic solvent tank (12) is connected to the bottom of a chimney (21) through a second exhaust pipe (20), and an active carbon filtering component (22) is arranged above the inner part of the chimney (21); and the draught fan (4), the lye pump (10) and the stirring motor (18) are electrically connected to the controller (25).

2. The exhaust gas treatment device for producing lightweight bricks according to claim 1, wherein: and a pH meter (24) electrically connected with the controller (25) is arranged in the alkali liquor pool (8).

3. The exhaust gas treatment device for producing lightweight bricks according to claim 1, wherein: and a plurality of stirring rods (15) are arranged on the T-shaped pipe (13), and burrs (16) are uniformly distributed on the stirring rods (15).

4. The exhaust gas treatment device for producing lightweight bricks according to claim 1, wherein: the top end of the chimney (21) is provided with a rain cover (23).