CN219128713U

CN219128713U - Tail gas treatment device

Info

Publication number: CN219128713U
Application number: CN202320217228.0U
Authority: CN
Inventors: 杨长升; 杨美汝; 杨海燕
Original assignee: Zibo Quanhe Industry And Trade Co ltd
Current assignee: Zibo Quanhe Industry And Trade Co ltd
Priority date: 2023-02-12
Filing date: 2023-02-12
Publication date: 2023-06-06
Anticipated expiration: 2033-02-12

Abstract

The utility model relates to the field of tail gas treatment, in particular to a tail gas treatment device which comprises a barrel body, a connecting pipe a, a gas-liquid separator and an adsorption component; an adsorption chamber and a water washing chamber are formed in the barrel body and positioned on the upper side and the lower side of the partition plate, an air inlet pipe is arranged on the water washing chamber, and an exhaust fan is arranged on the air inlet pipe; the gas-liquid separator is arranged on the outer wall of the barrel body; one end of the connecting pipe a is connected with the input end of the gas-liquid separator, and the other end of the connecting pipe a extends above the liquid level in the water washing chamber; the active carbon adsorption cylinder penetrates through the cylinder wall of the cylinder body and is matched with the cylinder body and is placed on the supporting seat, one end of the active carbon adsorption cylinder is provided with a fixed plate, the fixed plate is connected with the outer wall of the cylinder body, and the other end of the active carbon adsorption cylinder is adhered to the inner wall of the cylinder body; one end of the connecting pipe b is connected with the exhaust pipe a, and the other end of the connecting pipe b is inserted into the activated carbon adsorption cylinder; the exhaust pipe b is arranged on the fixed plate; the adsorption components are arranged in two groups side by side. According to the utility model, the activated carbon adsorption cylinder is easy and convenient to replace, and the machine is not required to be stopped in the replacement process, so that the treatment efficiency is high.

Description

Tail gas treatment device

Technical Field

The utility model relates to the field of tail gas treatment, in particular to a tail gas treatment device.

Background

The lost foam casting technology is a method for forming the required casting by bonding and combining a foaming plastic model with the size and shape similar to the casting into a film-shaped cluster, brushing a fireproof coating, drying, burying the film-shaped cluster in dry quartz sand for vibration molding, pouring liquid metal under certain conditions, gasifying the model and occupying the position of the model, and solidifying and cooling. In the casting process, the foaming plastic model is burnt with high-temperature liquid metal in a contact way, vaporization and the like, so that a large amount of tail gas is generated, the environment is polluted, and the health of operators is endangered. The tail gas treatment mode commonly adopted by lost foam casting is activated carbon adsorption treatment.

The Chinese patent with the publication number of CN209221779U discloses a continuous treatment device for lost foam casting tail gas, which comprises a smoke exhaust hood, a particle dust remover, an air heater, a wet dust remover and a dehumidifying dryer, wherein under the starting of an exhaust fan, tail gas is continuously filtered and purified by the smoke exhaust hood, the particle dust remover, the wet dust remover and the dehumidifying dryer which are sequentially connected, so that the interception and collection of particle impurities in the tail gas are facilitated, the impurity in the tail gas is removed under the spraying of wet dust removal, and under the dehumidification and drying of the dehumidifying dryer, the impurity is adsorbed by an active carbon adsorption filter screen and then discharged, the efficiency of tail gas treatment is improved, the heat collection in the tail gas and the tail gas heating are realized under the heat absorption and heat release of a heat exchange tube and a heating capillary tube, the adsorption of the peculiar smell gas in the tail gas is facilitated, and the influence of the tail gas waste heat on the wet dust remover is avoided.

However, the above disclosed solution has the following disadvantages: the active carbon is difficult to replace, and the tail gas treatment can only be stopped during the replacement, so that the tail gas treatment continuity is poor.

Disclosure of Invention

The utility model aims to solve the problems that the active carbon in the background technology is troublesome to replace and the active carbon needs to be stopped during replacement.

The technical scheme of the utility model is as follows: a tail gas treatment device comprises a barrel body, a connecting pipe a, a gas-liquid separator and an adsorption component; the adsorption component comprises a connecting pipe b, a supporting seat, an activated carbon adsorption cylinder and an exhaust pipe b;

the bottom of the barrel body is provided with a plurality of groups of supporting legs, the barrel body is internally provided with a baffle plate, an adsorption chamber and a washing chamber are formed in the barrel body, the adsorption chamber and the washing chamber are positioned on the upper side and the lower side of the baffle plate, treated water is contained in the washing chamber, an air inlet pipe is arranged on the washing chamber, and an exhaust fan is arranged on the air inlet pipe; the gas-liquid separator is arranged on the outer wall of the barrel body, and the top and the bottom of the gas-liquid separator are respectively provided with an exhaust pipe a and a liquid discharge pipe; one end of the connecting pipe a is connected with the input end of the gas-liquid separator, and the other end of the connecting pipe a extends above the liquid level in the water washing chamber;

the supporting seat is arranged in the adsorption chamber; the active carbon adsorption cylinder penetrates through the cylinder wall of the cylinder body and is matched with the cylinder wall of the cylinder body to be placed on the supporting seat, one end of the active carbon adsorption cylinder is provided with a fixed plate, the fixed plate is attached to the outer wall of the cylinder body and is detachably connected with the outer wall of the cylinder body, and the other end of the active carbon adsorption cylinder is opened and attached to the inner wall of the cylinder body; one end of the connecting pipe b is connected with the exhaust pipe a, and the other end of the connecting pipe b penetrates through the barrel body and is inserted into the activated carbon adsorption barrel; the exhaust pipe b is arranged on the fixed plate; the adsorption components are arranged in two groups side by side; the connecting pipe b is provided with a valve.

Preferably, the water inlet pipe and the water outlet pipe are arranged on the water washing chamber, and the valves are arranged on the water inlet pipe and the water outlet pipe.

Preferably, the water inlet pipe and the water outlet pipe are symmetrical with respect to the tub.

Preferably, the liquid discharge pipe is communicated with the drain pipe, and a one-way valve is arranged on the liquid discharge pipe.

Preferably, a plurality of groups of screws are arranged on the outer wall of the barrel body, through holes for the screws to pass through are formed in the fixing plate, nuts are arranged on the screws in a matched mode, and the fixing plate is locked by the nuts.

Preferably, a valve is arranged on the exhaust pipe b.

Preferably, the top of the tub is open.

Compared with the prior art, the utility model has the following beneficial technical effects: the tail gas generated by lost foam casting is firstly subjected to primary treatment by a water washing chamber and a gas-liquid separator, then is subjected to further adsorption treatment by an activated carbon adsorption cylinder, and air meeting the emission standard is discharged, so that the treatment process is completed. The active carbon adsorption section of thick bamboo is changed simply and conveniently, and does not need to stop in the change process, can carry out tail gas treatment in succession, and treatment efficiency is high.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a rear view of FIG. 1;

fig. 3 is a side cross-sectional view of fig. 1.

Reference numerals: 1. a tub body; 2. a support leg; 3. a partition plate; 4. a water inlet pipe; 5. a drain pipe; 6. a valve; 7. an air inlet pipe; 8. an exhaust fan; 9. a connecting pipe a; 10. a gas-liquid separator; 11. a one-way valve; 12. a liquid discharge pipe; 13. an exhaust pipe a; 14. a connecting pipe b; 15. a support base; 16. an activated carbon adsorption cylinder; 17. a fixing plate; 18. a screw; 19. a nut; 20. and an exhaust pipe b.

Detailed Description

Example 1

As shown in fig. 1 to 3, the tail gas treatment device provided by the utility model comprises a barrel body 1, a connecting pipe a9, a gas-liquid separator 10 and an adsorption component; the adsorption component comprises a connecting pipe b14, a supporting seat 15, an activated carbon adsorption cylinder 16 and an exhaust pipe b20;

the top of the barrel body 1 is opened, a plurality of groups of support legs 2 are arranged at the bottom of the barrel body 1, a partition plate 3 is arranged in the barrel body 1, an adsorption chamber and a water washing chamber are formed in the barrel body 1, the adsorption chamber and the water washing chamber are positioned at the upper side and the lower side of the partition plate 3, treated water is contained in the water washing chamber, an air inlet pipe 7 is arranged on the water washing chamber, and an exhaust fan 8 is arranged on the air inlet pipe 7; the gas-liquid separator 10 is arranged on the outer wall of the barrel body 1, the top and the bottom of the gas-liquid separator 10 are respectively provided with an exhaust pipe a13 and a liquid discharge pipe 12, the liquid discharge pipe 12 is communicated with the water discharge pipe 5, and the liquid discharge pipe 12 is provided with a one-way valve 11; one end of the connecting pipe a9 is connected with the input end of the gas-liquid separator 10, and the other end extends above the liquid level in the water washing chamber; the water washing chamber is provided with a water inlet pipe 4 and a water outlet pipe 5, valves 6 are arranged on the water inlet pipe 4 and the water outlet pipe 5, and the water inlet pipe 4 and the water outlet pipe 5 are symmetrical with respect to the barrel body 1.

The supporting seat 15 is arranged in the adsorption chamber; the activated carbon adsorption cylinder 16 penetrates through the cylinder wall of the cylinder body 1 and is matched with the support seat 15, one end of the activated carbon adsorption cylinder 16 is provided with a fixed plate 17, the fixed plate 17 is attached to and detachably connected with the outer wall of the cylinder body 1, and the other end of the activated carbon adsorption cylinder 16 is open and attached to the inner wall of the cylinder body 1; one end of a connecting pipe b14 is connected with an exhaust pipe a13, and the other end of the connecting pipe b14 penetrates through the barrel body 1 and is inserted into the activated carbon adsorption cylinder 16; the exhaust pipe b20 is arranged on the fixed plate 17, and the valve 6 is arranged on the exhaust pipe b20; the adsorption components are arranged in two groups side by side; the valve 6 is arranged on the connecting pipe b 14.

Working principle: the tail gas generated in the lost foam casting process enters a washing chamber through an air inlet pipe 7, part of foreign matters are removed through washing, then the tail gas is discharged into a gas-liquid separator 10 through a connecting pipe a9, the gas-liquid separator 10 separates gas from water vapor, the gas enters a group of activated carbon adsorption cylinders 16 through an exhaust pipe a13 and a connecting pipe b14, and after being adsorbed by activated carbon, the gas meeting the emission standard is discharged from an exhaust pipe b 20. When the activated carbon adsorption cylinder 16 needs to be replaced, the valve 6 on the connecting pipe b14 is closed, the valve 6 on the other group of connecting pipes b14 is opened, the tail gas is discharged into the other group of activated carbon adsorption cylinders 16 to continue the tail gas treatment, the stop is not needed, the fixed plate 17 on the activated carbon adsorption cylinder 16 which needs to be replaced is separated from the barrel body 1, the activated carbon adsorption cylinder 16 can be pulled out, after the activated carbon in the activated carbon adsorption cylinder 16 is replaced, the activated carbon adsorption cylinder 16 is placed on the corresponding supporting seat 15, and the fixed plate 17 is fixed.

In this embodiment, the tail gas generated by lost foam casting is initially treated by the water washing chamber and the gas-liquid separator 10, and then further adsorbed by the activated carbon adsorption cylinder 16, and the air meeting the emission standard is discharged, thereby completing the treatment process. The activated carbon adsorption cylinder 16 is simple and convenient to replace, the replacement process does not need to be stopped, the tail gas treatment can be continuously carried out, and the treatment efficiency is high.

Example two

The supporting seat 15 is arranged in the adsorption chamber; the active carbon adsorption section of thick bamboo 16 passes staving 1 section of thick bamboo wall and cooperation and places on supporting seat 15, and active carbon adsorption section of thick bamboo 16 one end sets up fixed plate 17, and fixed plate 17 is laminated and can dismantle with staving 1 outer wall and be connected, and the concrete connected mode is: the outer wall of the barrel body 1 is provided with a plurality of groups of screw rods 18, the fixed plate 17 is provided with through holes for the screw rods 18 to pass through, the screw rods 18 are matched with nuts 19, the nuts 19 lock the fixed plate 17, and the other end of the activated carbon adsorption barrel 16 is opened and is attached to the inner wall of the barrel body 1; one end of a connecting pipe b14 is connected with an exhaust pipe a13, and the other end of the connecting pipe b14 penetrates through the barrel body 1 and is inserted into the activated carbon adsorption cylinder 16; the exhaust pipe b20 is arranged on the fixed plate 17, the exhaust pipe b20 is communicated with the inner cavity of the activated carbon adsorption cylinder 16, and the valve 6 is arranged on the exhaust pipe b20; the adsorption components are arranged in two groups side by side; the valve 6 is arranged on the connecting pipe b 14.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The tail gas treatment device is characterized by comprising a barrel body (1), a connecting pipe a (9), a gas-liquid separator (10) and an adsorption component; the adsorption component comprises a connecting pipe b (14), a supporting seat (15), an activated carbon adsorption cylinder (16) and an exhaust pipe b (20);

the bottom of the barrel body (1) is provided with a plurality of groups of supporting legs (2), a partition board (3) is arranged in the barrel body (1), an adsorption chamber and a water washing chamber which are positioned on the upper side and the lower side of the partition board (3) are formed in the barrel body (1), the water washing chamber contains treatment water, the water washing chamber is provided with an air inlet pipe (7), and the air inlet pipe (7) is provided with an exhaust fan (8); the gas-liquid separator (10) is arranged on the outer wall of the barrel body (1), and the top and the bottom of the gas-liquid separator (10) are respectively provided with an exhaust pipe a (13) and a liquid discharge pipe (12); one end of the connecting pipe a (9) is connected with the input end of the gas-liquid separator (10), and the other end extends above the liquid level in the washing chamber;

the supporting seat (15) is arranged in the adsorption chamber; the active carbon adsorption cylinder (16) penetrates through the cylinder wall of the cylinder body (1) and is matched with the cylinder wall of the support seat (15), one end of the active carbon adsorption cylinder (16) is provided with a fixed plate (17), the fixed plate (17) is attached to the outer wall of the cylinder body (1) and is detachably connected with the outer wall, and the other end of the active carbon adsorption cylinder (16) is open and attached to the inner wall of the cylinder body (1); one end of a connecting pipe b (14) is connected with an exhaust pipe a (13), and the other end of the connecting pipe b (14) penetrates through the barrel body (1) and is inserted into an activated carbon adsorption cylinder (16); the exhaust pipe b (20) is arranged on the fixed plate (17); the adsorption components are arranged in two groups side by side; the connecting pipe b (14) is provided with a valve (6).

2. The tail gas treatment device according to claim 1, wherein the water inlet pipe (4) and the water outlet pipe (5) are arranged on the water washing chamber, and the valves (6) are arranged on the water inlet pipe (4) and the water outlet pipe (5).

3. An exhaust gas treatment device according to claim 2, characterized in that the inlet pipe (4) and the outlet pipe (5) are symmetrical with respect to the tub (1).

4. The exhaust gas treatment device according to claim 1, characterized in that the drain pipe (12) is in communication with the drain pipe (5), and that the drain pipe (12) is provided with a one-way valve (11).

5. The tail gas treatment device according to claim 1, wherein a plurality of groups of screws (18) are arranged on the outer wall of the barrel body (1), through holes for the screws (18) to pass through are formed in the fixing plate (17), nuts (19) are arranged on the screws (18) in a matching mode, and the nuts (19) lock the fixing plate (17).

6. The exhaust gas treatment device according to claim 1, characterized in that a valve (6) is provided on the exhaust pipe b (20).

7. The exhaust gas treatment device according to claim 1, characterized in that the tub (1) is open at the top.