CN213761114U

CN213761114U - Flue gas treatment device for non-ferrous metal smelting

Info

Publication number: CN213761114U
Application number: CN202022422252.7U
Authority: CN
Inventors: 叶发胜
Original assignee: Tianjin Shengyang Zhiyuan Metal Products Co ltd
Current assignee: Tianjin Shengyang Zhiyuan Metal Products Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-23
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a flue gas processing apparatus for non ferrous metal smelting, including the reacting furnace, reacting furnace lateral wall upper portion runs through and sets up the air-supply line, and the fixed pipe of discharging fume that sets up in reacting furnace top, the fixed second preheating cabinet that sets up of pipe free end of discharging fume, the inboard fixed second coil that sets up of second preheating cabinet, second coil one end run through states second preheating cabinet lateral wall and with the air-supply line intercommunication, the second coil passes the first preheating cabinet of second preheating cabinet lateral wall and fixed connection, the inboard fixed first coil that sets up of first preheating cabinet. The beneficial effects of the utility model are that setting up first preheating cabinet and second preheating cabinet and can preheating combustion-supporting gas before getting into the reacting furnace, it is extravagant to reduce the energy, the water-cooling storehouse can be cooled down gas once more, prevent to cause the injury to operating personnel, the guard gate is convenient for overhaul the purifying tower, sealed pad can prevent with the tool to lock that the guard gate is sealed not tight emergence leakage etc. equipment structure is simple moreover, reuse has been realized to the energy, reduce manufacturing cost, safety and reliability.

Description

Flue gas treatment device for non-ferrous metal smelting

Technical Field

The utility model belongs to the technical field of smelt exhaust-gas treatment equipment, especially, relate to a flue gas processing apparatus for non ferrous metal smelting.

Background

Smelting is a refining technology, which refers to extracting metals in ores by roasting, smelting, electrolysis, using chemical agents and other methods; the method reduces impurities contained in the metal or increases certain components in the metal to smelt the needed metal, some nonferrous metal metallurgy adopts a more environment-friendly electrolysis method along with the development of science and technology, but part of nonferrous metal can not be refined by the electrolysis method and only can adopt the traditional roasting method, but a large amount of waste gas can be generated due to combustion in the roasting process, because the gas can contain substances harmful to human bodies, if the gas is directly discharged, the atmosphere pollution can be caused and the human bodies can be hurt, and part of heat generated by combustion can be taken away by direct smoke gas, so that the waste is caused, the energy utilization rate is not high, the production cost is increased, and the high-temperature gas generated by combustion reaction can be directly discharged to scald operators and cause the injuries to the operators, the structure of the existing smoke filter device is fixed, the disassembly and assembly and maintenance are not convenient, and the flexibility is poor, the maintenance is inconvenient, so a flue gas treatment device for non-ferrous metal smelting needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a flue gas processing apparatus for non ferrous metal smelting.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a flue gas treatment device for non-ferrous metal smelting comprises a reaction furnace, wherein an air inlet pipe penetrates through the upper part of the side wall of the reaction furnace, a smoke exhaust pipe is fixedly arranged at the top of the reaction furnace, a second preheating box is fixedly arranged at the free end of the smoke exhaust pipe, a second coil pipe is fixedly arranged at the inner side of the second preheating box, one end of the second coil pipe penetrates through the side wall of the second preheating box and is communicated with the air inlet pipe, the second coil pipe penetrates through the side wall of the second preheating box and is fixedly connected with a first preheating box, a first coil pipe is fixedly arranged at the inner side of the first preheating box, two ends of the first coil pipe respectively penetrate through the side wall of the first preheating box and are arranged at the outer side of the first preheating box, a gas tank is fixedly connected at the bottom of the first preheating box, a first connecting pipe is fixedly arranged on the side wall of the second preheating box, a settling box is fixedly arranged at the free end of the first connecting pipe, and an absorption liquid inlet pipe penetrates through the top of the settling box, one end of the absorption liquid inlet pipe is positioned at the inner side of the settling tank and is fixedly provided with a spray pipe, one end of the first coil pipe is fixedly connected with the bottom of the settling tank, the other end of the first coil pipe is fixedly connected with the recovery tank, a second connecting pipe is fixedly arranged on one side wall of the settling tank, a water cooling bin is fixedly arranged on the outer side of the second connecting pipe, a water inlet pipe is fixedly arranged at the lower part of the side wall of the water cooling bin, a circulating pump is fixedly arranged at the free end of the water inlet pipe, the input end of the circulating pump is fixedly connected with a water tank, one side of the water tank is fixedly provided with a water return pipe, the free end of the water return pipe is communicated with the upper part of the side wall of the water cooling bin, the free end of the second connecting pipe is fixedly connected with a purification tower, the inner side of the purification tower is fixedly provided with a dust collecting bin below the second connecting pipe, the inner side of the purification tower is positioned above the dust collection bin and is fixedly provided with a filter screen plate, and the inner side of the purification tower is positioned above the filter screen plate and is fixedly provided with an adsorption layer.

Preferably: the utility model discloses a fixed protection door of setting of purifying column one side, including purifying column laminating department, the fixed handle that sets up in protection door lateral wall, be located on the purifying column lateral wall the fixed tool to lock that sets up in protection door one side, the purifying column top is located the fixed protection casing that sets up of output.

Preferably: the air inlet pipe is positioned on the outer side of the reaction furnace and is fixedly provided with a one-way valve, and the second coil pipe is positioned on one side of the air inlet pipe and is fixedly provided with a pressure gauge.

The utility model has the advantages and positive effects that:

the utility model discloses a set up first preheating cabinet and second preheating cabinet and can preheat combustion-supporting gas before getting into the reacting furnace, it is extravagant to reduce the energy, and the water-cooling storehouse can be cooled down gas once more, prevents to cause the injury to operating personnel, and the guard gate is convenient for overhaul the purifying tower, and sealed pad can prevent with the tool to lock that the guard gate is sealed not tight emergence leakage etc. and equipment structure is simple moreover, has realized reuse to the energy, reduces manufacturing cost, safe and reliable.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a front sectional view of a flue gas treatment apparatus for non-ferrous metal metallurgy according to the present invention;

FIG. 2 is a structural view of a protective door of the flue gas treatment device for non-ferrous metal smelting according to the present invention;

FIG. 3 is an enlarged view of the structure at the position A of the flue gas treatment device for non-ferrous metal smelting according to the present invention;

FIG. 4 is an enlarged view of the structure at the B position of the flue gas treatment device for non-ferrous metal metallurgy of the present invention.

The reference numerals are explained below:

1. a reaction furnace; 2. a smoke exhaust pipe; 3. an air inlet pipe; 4. a second preheating tank; 5. a second coiled tube; 6. a first preheating tank; 7. a first coil pipe; 8. a combustion-supporting gas tank; 9. a settling tank; 10. a spray tube; 11. a recycling bin; 12. a first connecting pipe; 13. a second connecting pipe; 14. a water cooling bin; 15. a water tank; 16. a circulation pump; 17. A water inlet pipe; 18. a water return pipe; 19. a purification tower; 20. a dust collection bin; 21. a filter plate; 22. an adsorption layer; 23. a protective cover; 24. a one-way valve; 25. a pressure gauge; 26. a gasket; 27. a handle; 28. an absorption liquid feeding pipe; 29. a protective door; 30. a lock device.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

example 1

As shown in FIGS. 1 to 4, a flue gas treatment device for non-ferrous metal smelting comprises a reaction furnace 1, wherein an air inlet pipe 3 is arranged on the upper portion of the side wall of the reaction furnace 1 in a penetrating manner, a smoke exhaust pipe 2 is fixedly arranged on the top of the reaction furnace 1, a second preheating box 4 is fixedly arranged on the free end of the smoke exhaust pipe 2, a second coil pipe 5 is fixedly arranged on the inner side of the second preheating box 4, one end of the second coil pipe 5 penetrates through the side wall of the second preheating box 4 and is communicated with the air inlet pipe 3, the second coil pipe 5 penetrates through the side wall of the second preheating box 4 and is fixedly connected with a first preheating box 6, a first coil pipe 7 is fixedly arranged on the inner side of the first preheating box 6, two ends of the first coil pipe 7 respectively penetrate through the side wall of the first preheating box 6 and are arranged on the outer side of the first preheating box 6, the bottom of the first preheating box 6 is fixedly connected with an air tank 8, a first connecting pipe 12 is fixedly arranged on the side wall of the second preheating box 4, a settling box 9 is fixedly arranged on the free end of the first connecting pipe 12, an absorption liquid feeding pipe 28 is arranged at the top of the settling tank 9 in a penetrating manner, one end of the absorption liquid feeding pipe 28 is positioned at the inner side of the settling tank 9 and is fixedly provided with a spray pipe 10, one end of a first coil pipe 7 is fixedly connected with the bottom of the settling tank 9, the other end of the first coil pipe is fixedly connected with a recovery tank 11, a second connecting pipe 13 is fixedly arranged on one side wall of the settling tank 9, a water cooling bin 14 is fixedly arranged at the outer side of the second connecting pipe 13, a water inlet pipe 17 is fixedly arranged at the lower part of the side wall of the water cooling bin 14, a circulating pump 16 is fixedly arranged at the free end of the water inlet pipe 17, the input end of the circulating pump 16 is fixedly connected with a water tank 15, a return water pipe 18 is fixedly arranged at one side of the water tank 15, the free end of the return water pipe 18 is communicated with the upper part of the side wall of the water cooling bin 14, a purifying tower 19 is fixedly connected with the free end of the second connecting pipe 13, a dust collecting bin 20 is fixedly arranged at the inner side of the purifying tower 19, a filter screen plate is fixedly arranged above the dust collecting bin 20, an adsorption layer 22 is fixedly arranged on the inner side of the purification tower 19 above the filter screen plate.

The working process of the embodiment: when the device works, whether the indication number of a pressure gauge 25 is normal is firstly observed, a one-way valve 24 is opened, gas in a gas tank 8 enters a reaction furnace 1 through a first preheating tank 6 and a second preheating tank 4 for supporting combustion, waste gas in the reaction furnace 1 enters a second and hot water tank 15 through a smoke exhaust pipe 2, the combustion-supporting gas in a second coil pipe 5 is reheated, then a first connecting pipe 12 enters a settling tank 9, an absorption liquid in an absorption liquid feeding pipe 28 is sprayed by a spraying pipe 10 in the settling tank 9 for settling substances in smoke dust, the settling liquid enters a recovery tank 11 through a first coil pipe 7 at the bottom of the settling tank 9 and is used for preheating the combustion-supporting gas in the first preheating tank 6 for one time, the settled waste gas passes through a second connecting pipe 13 and is cooled again through a water cooling bin 14 to reach the normal temperature when passing through the second connecting pipe 13 and then enters a purification tower 19, a part of dust falls into a dust collecting bin 20 after being filtered by a filter plate 21 in the purification tower 19, then the adsorption layer 22 is adsorbed and discharged after reaching the emission standard, when the work is stopped, the dust collection bin 20 can be cleaned by opening the protective door 29 into the purification tower 19, and the filter plate 21 and the adsorption layer 22 are overhauled and replaced.

Preferably: 19 one side of purifying tower is changeed and is set up guard gate 29,

guard gate

29 and 19 laminating departments of purifying tower set up sealed pad 26, the fixed handle 27 that sets up on the guard gate 29 lateral wall, lie in the fixed tool to lock 30 that sets up in guard gate 29 one side on the 19 lateral walls of purifying tower, 19 tops of purifying tower lie in the fixed protection casing 23 that sets up of output, lie in the fixed check valve 24 that sets up in the reacting furnace 1 outside on the air-supply line 3, lie in the fixed manometer 25 that sets up in air-supply line 3 one side on the second coil pipe 5.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a flue gas processing apparatus for non ferrous metal smelting, includes reacting furnace (1), its characterized in that: an air inlet pipe (3) penetrates through the upper part of the side wall of the reaction furnace (1), a smoke exhaust pipe (2) is fixedly arranged at the top of the reaction furnace (1), a second preheating box (4) is fixedly arranged at the free end of the smoke exhaust pipe (2), a second coil pipe (5) is fixedly arranged at the inner side of the second preheating box (4), one end of the second coil pipe (5) penetrates through the side wall of the second preheating box (4) and is communicated with the air inlet pipe (3), the second coil pipe (5) penetrates through the side wall of the second preheating box (4) and is fixedly connected with a first preheating box (6), a first coil pipe (7) is fixedly arranged at the inner side of the first preheating box (6), two ends of the first coil pipe (7) respectively penetrate through the side wall of the first preheating box (6) and are arranged at the outer side of the first preheating box (6), a gas tank (8) is fixedly connected at the bottom of the first preheating box (6), a first connecting pipe (12) is fixedly arranged on the side wall of the second preheating box (4), the first connecting pipe (12) is fixedly provided with a settling tank (9) at the free end, the top of the settling tank (9) is penetrated and provided with an absorption liquid inlet pipe (28), one end of the absorption liquid inlet pipe (28) is located at the inner side of the settling tank (9) and fixedly provided with a spray pipe (10), one end of a first coil pipe (7) is fixedly connected with the bottom of the settling tank (9) and fixedly connected with a recovery tank (11) at the other end, one side wall of the settling tank (9) is fixedly provided with a second connecting pipe (13), the outer side of the second connecting pipe (13) is fixedly provided with a water cooling bin (14), the lower part of the side wall of the water cooling bin (14) is fixedly provided with a water inlet pipe (17), the free end of the water inlet pipe (17) is fixedly provided with a circulating pump (16), the input end of the circulating pump (16) is fixedly connected with a water tank (15), and one side of the water tank (15) is fixedly provided with a return water pipe (18), the water return pipe (18) is communicated with the upper portion of the side wall of the water cooling bin (14), the free end of the second connecting pipe (13) is fixedly connected with a purifying tower (19), the inner side of the purifying tower (19) is located below the second connecting pipe (13) and is fixedly provided with a dust collecting bin (20), the inner side of the purifying tower (19) is located above the dust collecting bin (20) and is fixedly provided with a filter screen plate, and the inner side of the purifying tower (19) is located above the filter screen plate and is fixedly provided with an adsorption layer (22).

2. The flue gas treatment device for non-ferrous metal smelting according to claim 1, characterized in that: purifying column (19) one side is changeed and is decided and set up guard gate (29), guard gate (29) with purifying column (19) laminating department sets up sealed pad (26), fixed handle (27) that set up on guard gate (29) lateral wall, lie in on purifying column (19) lateral wall guard gate (29) one side is fixed and is set up tool to lock (30), purifying column (19) top is located output end and fixes and sets up protection casing (23).

3. The flue gas treatment device for non-ferrous metal smelting according to claim 1, characterized in that: the air inlet pipe (3) is positioned on the outer side of the reaction furnace (1) and is fixedly provided with a one-way valve (24), and the second coil pipe (5) is positioned on one side of the air inlet pipe (3) and is fixedly provided with a pressure gauge (25).