CN216856192U

CN216856192U - Acid regeneration condenser

Info

Publication number: CN216856192U
Application number: CN202123203227.0U
Authority: CN
Inventors: 潘占辉; 温兵旺; 霍建强
Original assignee: Hebei New Jinwanli New Material Technology Co ltd
Current assignee: Hebei New Jinwanli New Material Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-01
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to the technical field of waste hydrochloric acid treatment, in particular to an acid regeneration condenser, which comprises a first shell, wherein one end of the first shell is fixedly connected with one end of a second shell, and the other end of the second shell is fixedly connected with a third shell in a communication manner; one end of the first shell, which is far away from the second shell, is of a closed structure and is communicated with a gas inlet, one end of the third shell, which is far away from the second shell, is of a closed structure and is communicated with a gas outlet, and the side wall of the third shell is communicated with a condensed acid outlet; the first shell and the second shell are fixedly connected with baffle plates at the butt joint positions, the third shell and the second shell are fixedly connected with baffle plates at the butt joint positions respectively, the baffle plates seal two ends of the second shell, a condensation structure is arranged inside the second shell, and the condensation structure is communicated with the first shell and the third shell. The utility model can reduce the pollution of tail gas discharged by waste acid treatment.

Description

Acid regeneration condenser

Technical Field

The utility model relates to the technical field of waste hydrochloric acid treatment, in particular to an acid regeneration condenser.

Background

Hydrochloric acid is an important inorganic chemical product and is widely used in the industries of dye, organic synthesis, food processing, printing, dyeing and rinsing, leather, metallurgy, steel and the like.

Hydrochloric acid is highly corrosive, and if waste liquid is not treated, not only is resources wasted, but also the environment is seriously affected. The waste acid is neutralized to be neutral by adding alkali and then is discharged. The main methods for treating the waste acid comprise a roasting method, an extraction method and an evaporation method. The roasting method is a method commonly used in industrial treatment, but acid waste gas discharged after waste acid is treated by the roasting method pollutes the atmosphere.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an acid regeneration condenser to solve the problems and achieve the purpose of reducing the tail gas pollution caused by waste acid treatment.

In order to achieve the purpose, the utility model provides the following scheme:

an acid regeneration condenser comprises a first shell, wherein one end of the first shell is fixedly connected with one end of a second shell, and the other end of the second shell is fixedly connected with a third shell in a communicating manner;

one end of the first shell, which is far away from the second shell, is of a closed structure and is communicated with a gas inlet, one end of the third shell, which is far away from the second shell, is of a closed structure and is communicated with a gas outlet, and the side wall of the third shell is communicated with a condensed acid outlet;

the first shell and the second shell are fixedly connected with baffle plates at the butt joint part and the third shell and the second shell are fixedly connected with baffle plates at the butt joint part respectively, the baffle plates seal two ends of the second shell, a condensation structure is arranged in the second shell, and the condensation structure is communicated with the first shell and the third shell.

Preferably, the condensation structure comprises a plurality of graphite pipes fixedly connected inside the second shell, the graphite pipes are parallel to the axis of the second shell, two ends of each graphite pipe are respectively communicated with the inside of the first shell and the inside of the third shell, and the side wall of the second shell is communicated with a cold medium circulation port.

Preferably, the cold medium circulation port includes a cold medium inlet, an exhaust port, a cold medium outlet, and an evacuation port, which are communicated with the side wall of the second housing, the cold medium inlet and the cold medium outlet are diagonally arranged, the exhaust port and the evacuation port are diagonally arranged, the exhaust port is located above, and the evacuation port is located below.

Preferably, the inside of the second shell is fixedly connected with a plurality of tube plates, the tube plates are vertically arranged, and the graphite tube penetrates through the tube plates and is fixedly connected with the tube plates.

Preferably, the first shell side wall is communicated with a first access opening.

Preferably, the third shell side wall is communicated with a second access opening.

The utility model has the following technical effects:

when the acid tail gas purification device is used, the gas inlet is communicated with the acid regeneration roasting furnace, acid tail gas discharged by the acid regeneration roasting furnace is discharged through the gas outlet through the condensation structures in the first shell and the second shell, the acid tail gas passing through the condensation structure is condensed to form acid liquid through the tail gas containing chloride ions after being condensed by the condensation structure, the acid liquid is discharged into the collecting water tank through the condensed acid outlet, and the purified tail gas is connected with the washing tower through the gas outlet and is discharged into the atmosphere. The acid tail gas treated by the condenser reduces chloride ions, thereby reducing the emission of the chloride ions in the flue gas of the washing tower, reducing the temperature of the circulating water of the washing tower, ensuring the operation stability of the cooling tower and finally ensuring that the acid tail gas emitted into the atmosphere meets the environmental protection requirement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic view of the structure of the present invention.

The device comprises a shell, a first shell and a second shell, wherein 1 the first shell is arranged; 101. a gas inlet; 102. a first access opening; 2. a second housing; 201. a cold medium inlet; 202. an exhaust port; 203. a cold medium outlet; 204. emptying the air; 3. a third housing; 301. a condensed acid outlet; 302. a gas outlet; 303. a second access opening; 4. a baffle plate; 5. a graphite tube; 6. a tube sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1, the utility model provides an acid regeneration condenser, which comprises a first shell 1, wherein one end of the first shell 1 is fixedly connected with one end of a second shell 2, and the other end of the second shell 2 is fixedly connected with a third shell 3;

one end of the first shell 1, which is far away from the second shell 2, is of a closed structure and is communicated with a gas inlet 101, one end of the third shell 3, which is far away from the second shell 2, is of a closed structure and is communicated with a gas outlet 302, and the side wall of the third shell 3 is communicated with a condensed acid outlet 301;

first casing 1, the butt joint of second casing 2 and third casing 3, the butt joint of second casing 2 do not fixedly connected with baffling board 4, and baffling board 4 seals 2 both ends of second casing, and second casing 2 is inside to be equipped with condensation structure, and condensation structure and first casing 1, the inside intercommunication of third casing 3.

When the acid regeneration roasting furnace is used, the gas inlet 101 is communicated with the acid regeneration roasting furnace, acid tail gas discharged by the acid regeneration roasting furnace is discharged through the gas outlet 302 after passing through the condensation structures in the first shell 1 and the second shell 2, the acid tail gas which passes through the condensation structures is condensed to form acid liquor after passing through the condensation structure, the acid liquor is discharged into the water collection tank through the condensed acid outlet 301, and the purified tail gas is connected with the washing tower through the gas outlet 302 and is discharged into the atmosphere. The acid tail gas treated by the condenser reduces chloride ions, thereby reducing the emission of the chloride ions in the flue gas of the washing tower, reducing the temperature of the circulating water of the washing tower, ensuring the operation stability of the cooling tower and finally ensuring that the acid tail gas emitted into the atmosphere meets the environmental protection requirement.

Further optimize the scheme, the condensation structure includes a plurality of graphite pipes 5 of fixed connection in second casing 2 inside, and a plurality of graphite pipes 5 are parallel with 2 axes of second casing, and 5 both ends of graphite pipe communicate with first casing 1, the inside of third casing 3 respectively, and 2 lateral walls of second casing intercommunication have the cold medium circulation mouth.

Cold water is selected for use as the cold medium, and through cold medium circulation mouth with cold water let in to second casing 2 inside, sour tail gas forms the heat exchange with the cold water in the second casing 2 when passing through graphite pipe 5, the condensation of the sour tail gas in the graphite pipe 5 then enters into to third casing 3 inside, the sour tail gas of condensation is collected through condensation acid export 301.

In a further optimized scheme, the cooling medium circulation port includes a cooling medium inlet 201, an exhaust port 202, a cooling medium outlet 203, and an evacuation port 204, which are communicated with the side wall of the second housing 2, the cooling medium inlet 201 and the cooling medium outlet 203 are diagonally arranged, the exhaust port 202 and the evacuation port 204 are diagonally arranged, the exhaust port 202 is located above, and the evacuation port 204 is located below.

Cold water enters through the cold medium inlet 201 and is discharged through the cold medium outlet 203, the temperature of acid tail gas in the graphite pipe 5 is high, the cold water in the second shell 2 can generate water vapor, the water vapor is discharged through the exhaust port 202, and when the maintenance is needed, the cold water in the second shell 2 is discharged through the exhaust port 204.

Further optimize the scheme, second casing 2 inside fixedly connected with a plurality of tube sheets 6, a plurality of tube sheets 6 vertical setting, graphite pipe 5 pass a plurality of tube sheets 6 and with tube sheets 6 fixed connection.

In a further optimized scheme, the side wall of the first shell 1 is communicated with a first access opening 102.

In a further optimized scheme, the side wall of the third shell 3 is communicated with a second access opening 303.

Set up first access hole 102, second access hole 303 and be used for the maintenance to the condenser, first access hole 102, second access hole 303 are the enclosed state under the operating condition, when treating that needs overhaul the condenser, open first access hole 102, second access hole 303 overhaul can, the enclosed mode of first access hole 102, second access hole 303 adopts flange cooperation baffle bolt fastening's mode to seal.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are only intended to illustrate the preferred embodiments of the present invention, and not to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. An acid regeneration condenser, characterized in that: the device comprises a first shell (1), wherein one end of the first shell (1) is fixedly connected with one end of a second shell (2), and the other end of the second shell (2) is fixedly connected with a third shell (3) in a communicating manner;

one end, far away from the second shell (2), of the first shell (1) is of a closed structure and is communicated with a gas inlet (101), one end, far away from the second shell (2), of the third shell (3) is of a closed structure and is communicated with a gas outlet (302), and the side wall of the third shell (3) is communicated with a condensed acid outlet (301);

the butt joint of the first shell (1) and the second shell (2) and the butt joint of the third shell (3) and the second shell (2) are respectively and fixedly connected with baffle plates (4), the baffle plates (4) seal two ends of the second shell (2), a condensation structure is arranged inside the second shell (2), and the condensation structure is communicated with the inside of the first shell (1) and the inside of the third shell (3).

2. An acid regenerator condenser according to claim 1, wherein: the condensation structure includes fixed connection and is in a plurality of graphite pipes (5) of second casing (2) inside, and is a plurality of graphite pipe (5) with second casing (2) axis is parallel, graphite pipe (5) both ends respectively with first casing (1), the inside intercommunication of third casing (3), second casing (2) lateral wall intercommunication has the cold medium circulation mouth.

3. An acid regenerator condenser according to claim 2, wherein: the cold medium circulation port comprises a cold medium inlet (201), an exhaust port (202), a cold medium outlet (203) and an evacuation port (204) which are communicated with the side wall of the second shell (2), the cold medium inlet (201) and the cold medium outlet (203) are arranged diagonally, the exhaust port (202) and the evacuation port (204) are arranged diagonally, the exhaust port (202) is located above, and the evacuation port (204) is located below.

4. An acid regenerator condenser according to claim 2, wherein: the graphite tube is characterized in that a plurality of tube plates (6) are fixedly connected inside the second shell (2), the tube plates (6) are vertically arranged, and the graphite tube (5) penetrates through the tube plates (6) and is fixedly connected with the tube plates (6).

5. An acid regenerator condenser according to claim 1, wherein: the side wall of the first shell (1) is communicated with a first access hole (102).

6. An acid regenerator condenser according to claim 1, wherein: and the side wall of the third shell (3) is communicated with a second access hole (303).