CN220257616U

CN220257616U - Pretreatment device for black medicine tail gas incineration

Info

Publication number: CN220257616U
Application number: CN202321272648.5U
Authority: CN
Inventors: 徐进; 赵殿军; 李玉昊; 周爽; 王樱璇; 董雪; 秦孝天
Original assignee: TIELING FLOTATION REAGENTS FACTORY
Current assignee: TIELING FLOTATION REAGENTS FACTORY
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-12-29
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a black medicine tail gas incineration pretreatment device, which relates to the technical field of black medicine incineration treatment and comprises a reaction kettle, an absorption tank, a first buffer tank, a preheater and a second buffer tank, wherein pipelines are sequentially communicated and connected among the reaction kettle, the absorption tank, the first buffer tank, the preheater and the second buffer tank, a water ring vacuum pump is arranged between the absorption tank and the first buffer tank, the water ring vacuum pump is communicated and connected with the absorption tank and the first buffer tank through the pipelines, air filters are arranged in the first buffer tank and the second buffer tank, so that fuel loss is reduced, heated gas enters the buffer tank for the second time, meanwhile, unstable air pressure is ensured due to sudden temperature rise, the air pressure in the pipelines plays a role in buffering, and finally enters an incineration boiler for incineration.

Description

Pretreatment device for black medicine tail gas incineration

Technical Field

The utility model relates to the technical field of black medicine incineration treatment, in particular to a black medicine tail gas incineration pretreatment device.

Background

The black medicine has a plurality of varieties, and is commonly used as butylamine black medicine, sodium butyrate black medicine and No. 25 black medicine, the ammonium butyrate black medicine can be used as a collecting agent of sulfide ores such as copper, lead, zinc, nickel and the like, has a certain foaming property, has a strong collecting capability on certain refractory ores such as black copper ores and the like, is stable in an acidic medium, can be replaced by the black medicine when the yellow medicine is not suitable for being used as the medium, and can generate byproducts H2S gas and volatile matters such as NH3, C7H8O and the like of raw materials in the production process of the black medicine, thereby severely polluting the environment. The traditional waste gas treatment method is an incineration method, equipment investment is large, operation cost is high, and new pollution is caused by incineration products such as sulfides, nitrides and carbides without secondary treatment.

Disclosure of Invention

The utility model aims to provide a black medicine tail gas incineration pretreatment device, which solves the problems that the traditional waste gas treatment method proposed in the background technology is an incineration method, equipment investment of the incineration method is large, operation cost is high, and new pollution is caused by incineration products such as sulfides, nitrides and carbides without secondary treatment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a black medicine tail gas burns pretreatment device, includes reation kettle, overhead tank, buffer tank, pre-heater and No. two buffer tanks, reation kettle the overhead tank the buffer tank No. one the pre-heater reaches connect gradually the pipeline between No. two buffer tanks, the overhead tank with be equipped with the water ring vacuum pump between the buffer tank No. one, the water ring vacuum pump passes through the pipeline with the overhead tank with No. one buffer tank intercommunication is connected, no. one buffer tank with No. two buffer tank's inside all is equipped with air cleaner.

Preferably, the reaction kettle, the absorption tank, the first buffer tank and the second buffer tank are respectively connected with a feed inlet and a discharge outlet in a communicated mode, and the pipeline is connected with the feed inlet and the discharge outlet in a communicated mode through a flange.

Preferably, the reaction kettle, the absorption tank, the first buffer tank and the second buffer tank are respectively connected with a detection port and a discharge port in a communicated manner.

Preferably, the electric control valves are arranged on the feeding port, the discharging port and the discharging port of the second buffer tank which are arranged on the reaction kettle.

Preferably, a cooling water cavity is arranged inside the first buffer tank and outside the discharge hole.

Compared with the prior art, the utility model has the beneficial effects that: through setting up air cleaner in the inside of buffer tank No. one and No. two buffer tanks, clean tail gas for the first time, clean tail gas is because the temperature is lower after, adds the pre-heater at the boiler front end, and the rising is burnt gas temperature, improves the heat exchange performance between the boiler, reduces fuel loss, and the gas after the intensification gets into the buffer tank and cleans for the second time, guarantees simultaneously because suddenly rising the temperature, leads to atmospheric pressure unstable, plays the cushioning effect to the internal atmospheric pressure of pipeline, and finally gets into the incineration boiler and burns.

Drawings

FIG. 1 is an isometric view of a body structure of the present utility model;

FIG. 2 is a front cross-sectional view of the body structure of the present utility model;

fig. 3 is a front cross-sectional view of a first buffer tank and a second buffer tank according to the present utility model.

In the figure: 1-reaction kettle, 2-absorption tank, no. 3-buffer tank, no. 4-preheater, no. 5-buffer tank, 6-pipeline, 7-water ring vacuum pump, 8-air filter, 9-feed inlet, 10-discharge outlet, 11-detection port, 12-discharge outlet, 13-electric control valve, 14-cooling water cavity.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a black medicine tail gas incineration pretreatment device, which comprises a reaction kettle 1, an absorption tank 2, a first buffer tank 3, a preheater 4 and a second buffer tank 5, wherein a pipeline 6 is sequentially communicated and connected among the reaction kettle 1, the absorption tank 2, the first buffer tank 3, the preheater 4 and the second buffer tank 5, a water ring vacuum pump 7 is arranged between the absorption tank 2 and the first buffer tank 3, the water ring vacuum pump 7 is communicated and connected with the absorption tank 2 and the first buffer tank 3 through the pipeline 6, and an air filter 8 is arranged inside each of the first buffer tank 3 and the second buffer tank 5.

During the use, the inside that generates at the inside reaction of reation kettle 1 is imported to the inside of absorption jar 2 through pipeline 6, absorb the black medicine through alkali lye in the inside of absorption jar 2, rethread water ring vacuum pump 7 is imported the inside of buffer tank 3 with the black medicine tail gas through pipeline 6, through preheater 4 and No. two buffer tanks 5 in proper order, carry out buffer treatment through the inside black medicine tail gas of buffer tank 3 and No. two buffer tanks 5 to longer pipeline, and set up the inside black medicine tail gas of preheater 4 with longer pipeline and carry out the heating up treatment, guarantee the follow-up treatment requirement, set up air cleaner 8 in the inside of buffer tank 3 and No. two buffer tanks 5, carry out filtration treatment to the black medicine tail gas, and collect refrigerated black medicine tail gas liquid through buffer tank 3.

The reactor 1 the buffer tank 2 the buffer tank 3 with the upper end both sides of buffer tank 5 are all connected with feed inlet 9 and discharge gate 10 in the intercommunication respectively, pipeline 6 pass through the flange with feed inlet 9 with discharge gate 10 intercommunication is connected, through setting up feed inlet 9 and discharge gate 10 on buffer tank 5 No. 2 buffer tank 3 of reactor 1, buffer tank 2 for pipeline 6 can be connected with feed inlet 9 and discharge gate 10 intercommunication through the flange, thereby with reactor 1, buffer tank 2, buffer tank 3 and No. 5 intercommunication are connected.

The reaction kettle 1 the absorption tank 2 the buffer tank 3 and the buffer tank 5 are respectively connected with a detection port 11 and a discharge port 12 in a communicating manner, and the detection ports 11 are arranged on the reaction kettle 1, the absorption tank 2, the buffer tank 3 and the buffer tank 5 to detect the internal environments of the reaction kettle 1, the absorption tank 2, the buffer tank 3 and the buffer tank 5, and the discharge ports 12 are arranged at the lower ends of the reaction kettle 1, the absorption tank 2, the buffer tank 3 and the buffer tank 5, so that waste materials accumulated in the reaction kettle 1, the absorption tank 2, the buffer tank 3 and the buffer tank 5 are discharged.

The electric control valves 13 are arranged on the feed inlet 9, the discharge outlet 10 and the discharge outlet 10 of the second buffer tank 5 which are arranged on the reaction kettle 1, and the opening and closing of the feed inlet 9, the discharge outlet 10 and the discharge outlet 10 of the second buffer tank 5 of the reaction kettle 1 are controlled by arranging the electric control valves 13 on the feed inlet 9, the discharge outlet 10 and the discharge outlet 10 of the second buffer tank 5 of the reaction kettle 1.

The inside of the first buffer tank 3 and the outside of the discharge hole 12 are provided with a cooling water cavity 14, and the liquid condensed in the black medicine tail gas is collected by arranging the cooling water cavity 14 in the inside of the first buffer tank 3.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A black medicine tail gas burns preprocessing device, its characterized in that: including reation kettle (1), retort (2), buffer tank (3), pre-heater (4) and No. two buffer tanks (5), reation kettle (1) retort (2) No. one buffer tank (3) pre-heater (4) with be connected with pipeline (6) between No. two buffer tanks (5) in proper order, retort (2) with be equipped with water ring vacuum pump (7) between No. one buffer tank (3), water ring vacuum pump (7) pass through pipeline (6) with retort (2) with No. one buffer tank (3) intercommunication is connected, no. one buffer tank (3) with No. two buffer tank (5) inside all is equipped with air cleaner (8).

2. The black drug tail gas incineration pretreatment device according to claim 1, wherein: the reaction kettle (1), the absorption tank (2), the first buffer tank (3) and the second buffer tank (5) are respectively connected with a feed inlet (9) and a discharge outlet (10) in a communicated mode on two sides of the upper end of the reaction kettle, and the pipeline (6) is connected with the feed inlet (9) and the discharge outlet (10) in a communicated mode through flanges.

3. The black drug tail gas incineration pretreatment device according to claim 1, wherein: the reaction kettle (1), the absorption tank (2), the buffer tank I (3) and the buffer tank II (5) are respectively connected with a detection port (11) and a discharge port (12) in a communicated mode at the upper end and the lower end.

4. The black drug tail gas incineration pretreatment device according to claim 2, wherein: the electric control valves (13) are arranged on the feeding port (9) and the discharging port (10) which are arranged on the reaction kettle (1) and the discharging port (10) of the second buffer tank (5).

5. A black drug tail gas incineration pretreatment device according to claim 3, characterized in that: the first buffer tank (3) is internally provided with a cooling water cavity (14) outside the discharge hole (12).