Petroleum coke flue gas treatment device

Abstract

The utility model discloses a petroleum coke flue gas treatment device which comprises a pretreatment box and a desulfurization box, a first limiting straight sliding groove is fixedly formed in the outer side wall of the lower end of the pretreatment box, a first electric telescopic rod is fixedly installed at the rear end of the first limiting straight sliding groove in a penetrating mode, a transmission straight rack is fixedly installed on a telescopic part of the front end of the first electric telescopic rod, and a transmission gear ring is connected to the upper end of the transmission straight rack in an engaged mode; a first spraying pipe is fixedly installed in the middle of the transmission gear ring, a second limiting straight sliding groove is fixedly formed in the inner side wall of the upper end of the pretreatment box, a movable frame is movably connected to the inner wall of the second limiting straight sliding groove in an attached mode, and a maintenance opening is formed in the front side of the upper end of the pretreatment box in a penetrating mode. A filter element used for filtering petroleum coke smoke is detachably and fixedly installed on the inner wall of the movable frame. According to the utility model, the petroleum coke smoke is cooled, adsorbed, filtered and desulfurized, and meanwhile, the filter element is convenient to maintain and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum coke flue gas treatment, in particular to a petroleum coke flue gas treatment device. BACKGROUND

[0002] Petroleum coke is a product converted from heavy oil through the process of thermal cracking after the separation of light and heavy oil by distillation of crude oil. According to the different appearance and performance of petroleum coke, it can be divided into the following types: sponge coke: the appearance is similar to sponge, the impurity content is relatively high, there are many small pores inside, the gap between the coke walls is very thin, and it is not suitable as raw material for producing carbon materials. Honeycomb coke: the internal small pores are uniformly distributed, there is obvious honeycomb structure, and it has good physical and mechanical properties, which can be used as raw material for producing ordinary power graphite electrode, prebaked anode and electric carbon products. Needle coke: the outer surface has obvious stripes, the pores inside the coke block are arranged in elongated oval shape, and it is an important raw material for manufacturing ultra-high power graphite electrode and some special carbon products.

[0003] The main functions of petroleum coke include: manufacturing graphite electrode: low-sulfur, high-quality coke, such as needle coke, is the main raw material for manufacturing ultra-high power graphite electrode and some special carbon products. Smelting industry: medium-sulfur and ordinary coke is widely used in aluminum smelting. Needle coke is also an important material for developing new technology of electric furnace steelmaking.

[0004] Chemical production: high-sulfur and ordinary green coke is used for chemical production, such as manufacturing calcium carbide, silicon carbide, etc. Metal casting: part of petroleum coke can also be used as fuel for metal casting.

[0005] However, in actual use, the existing technology, petroleum coke will produce a large amount of flue gas containing various pollutants in the process of processing, combustion, etc., such as sulfur dioxide, nitrogen oxides, dust, volatile organic compounds (VOCs), etc. If these pollutants are directly discharged without effective treatment, they will cause serious pollution to the atmospheric environment, trigger environmental problems such as acid rain, haze, etc., and harm human health and ecological balance. The traditional flue gas treatment device often has the problems of single treatment process and complicated maintenance, which is difficult to meet the increasingly strict environmental protection requirements. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a petroleum coke flue gas treatment device to solve the problem of petroleum coke in the process of processing, combustion, etc. A large amount of flue gas containing various pollutants, such as sulfur dioxide, nitrogen oxides, dust, volatile organic compounds (VOCs), etc. If these pollutants are directly discharged without effective treatment, they will cause serious pollution to the atmospheric environment, trigger environmental problems such as acid rain, haze, etc., and harm human health and ecological balance. The traditional flue gas treatment device often has the problems of single treatment process and complicated maintenance, which is difficult to meet the increasingly strict environmental protection requirements.

[0007] To achieve the above object, the utility model provides the following technical scheme: including preprocessing box and desulfurization box,

[0008] The preprocessing box lower end outside wall fixed mounting has the air inlet pipe, the preprocessing box lower end outside wall fixed mounting has the first limit straight sliding groove, the first limit straight sliding groove rear end fixed mounting has the first electric telescopic handle, the first electric telescopic handle front end telescopic part fixed mounting has the transmission straight rack, the transmission straight rack upper end is connected with transmission gear ring, transmission gear ring middle part fixed mounting has the first spray pipe, the first spray pipe fixed communication has the cooling atomizing nozzle for petroleum coke smoke spray cooling, the first spray pipe outer end is connected with the connecting pipe through the rotary joint, the preprocessing box upper end inside wall fixed mounting has the second limit straight sliding groove, the second limit straight sliding groove inner wall is connected with the moving frame, the preprocessing box upper end front side is equipped with the maintenance opening, the moving frame inner wall detachable fixed mounting has the filter filter core for petroleum coke smoke filtering, the preprocessing box upper end rear side fixed mounting has the second electric telescopic handle, the preprocessing box upper top fixed communication has the communicating pipe,

[0009] The desulfurization box upper end inner wall support fixed mounting has the second spray pipe, the second spray pipe inner side fixed communication has the desulfurization nozzle for petroleum coke smoke spray lime water, the second spray pipe outside fixed communication has the connecting port through the desulfurization box upper end side wall, the preprocessing box and desulfurization box lower end front side fixed communication has the recovery pipeline respectively, the desulfurization box upper top fixed communication has the exhaust port.

[0010] Preferably, the air inlet pipe is communicated with the external petroleum coke smoke pipeline.

[0011] Preferably, the transmission straight rack lower end is connected in the first limit straight sliding groove inner wall, the transmission gear ring number has several, is distributed with the transmission straight rack upper end symmetry in sequence respectively.

[0012] Preferably, the first spray pipe is connected in the preprocessing box lower end inside through the pivot, and the connecting pipe is communicated with the external cooling water pipeline.

[0013] Preferably, the second limit straight sliding groove is distributed with the preprocessing box upper end inner wall symmetry respectively, and the moving frame front end is connected in the maintenance opening inner wall.

[0014] Preferably, the second electric telescopic handle front end telescopic part is fixedly installed with the moving frame rear end middle part, and the communicating pipe is communicated with the desulfurization box lower end inner side in cooperation with the exhaust fan.

[0015] Preferably, the second spray pipe is annular, and the second spray pipe number has several, and is distributed with the desulfurization box upper end inner wall from top to bottom symmetry in sequence respectively.

[0016] Preferably, the connecting port is communicated with an external lime water pipeline, and a switch valve is fixedly arranged in front of the recovery pipeline.

[0017] Compared with the prior art, the petroleum coke flue gas treatment device has the following beneficial effects:

[0018] The first electric telescopic rod is controlled to be extended, and when the first electric telescopic rod is extended, the transmission straight rack will be driven to move linearly back and forth along the inner wall of the first limiting straight sliding groove, the transmission straight rack will be engaged to drive the transmission gear ring to rotate when the transmission straight rack moves linearly back and forth, the first spraying pipe will be driven to rotate when the transmission gear ring rotates, the cooling atomizing nozzle will be driven to swing when the first spraying pipe rotates, and the cooling water sprayed by the cooling atomizing nozzle can uniformly contact the petroleum coke flue gas, so that the treatment effect of the petroleum coke flue gas is improved.

[0019] When the filter element needs to be maintained and replaced, the second electric telescopic rod is controlled to be extended, and when the second electric telescopic rod is extended, the moving frame will be driven to move linearly forward along the inner wall of the second limiting straight sliding groove, the front end of the moving frame will move out of the maintenance opening when the moving frame moves linearly forward, and the filter element can be maintained and replaced, so that the petroleum coke flue gas can be cooled, adsorbed and desulfurized, and the filter element can be conveniently maintained and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model; Figure 1 Fig. 2 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model; Fig. 3 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model;

[0021] Fig. 4 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model; Figure 2 Fig. 5 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model; Figure 2 Fig. 6 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model. Fig. 7 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model.

[0022] Fig. 8 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model. Figure 3 Fig. 9 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model. Fig. 10 is a schematic diagram of the overall structure of the petroleum coke flue gas treatment device of the utility model.

[0023] In the drawing: 1, pretreatment box; 2, desulfurization box; 3, air inlet pipe; 4, first limiting straight sliding groove; 5, first electric telescopic rod; 6, transmission straight rack; 7, transmission gear ring; 8, first spraying pipe; 9, cooling atomizing nozzle; 10, connecting pipe; 11, second limiting straight sliding groove; 12, moving frame; 13, maintenance opening; 14, filter element; 15, second electric telescopic rod; 16, communication pipe; 17, second spraying pipe; 18, desulfurization nozzle; 19, connecting port; 20, recovery pipeline; 21, air outlet. DETAILED DESCRIPTION

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-3 This utility model provides a technical solution for a petroleum coke flue gas treatment device, which includes a pretreatment box 1 and a desulfurization box 2.

[0026] An air inlet pipe 3 is fixedly installed on the lower outer side of the pretreatment box 1, and the air inlet pipe 3 is connected to an external petroleum coke smoke pipeline. A first limiting straight slide groove 4 is fixedly installed on the lower outer wall of the pretreatment box 1. A first electric telescopic rod 5 is fixedly installed through the rear end of the first limiting straight slide groove 4. A transmission rack 6 is fixedly installed on the telescopic part of the front end of the first electric telescopic rod 5, and the lower end of the transmission rack 6 is movably connected to the inner wall of the first limiting straight slide groove 4, so that the transmission rack 6 can be linearly limited by the first limiting straight slide groove 4. A transmission gear ring 7 is meshed with the upper end of the transmission rack 6, and there are several transmission gear rings 7, which are symmetrically distributed around the upper end of the transmission rack 6. A first spray pipe 8 is fixedly installed in the middle of the transmission gear ring 7, and the first spray pipe 8 is rotatably connected to the lower interior of the pretreatment box 1 through a rotating shaft. The first spray pipe 8 is fixedly connected to a cooling atomizing nozzle 9 for spraying and cooling the petroleum coke smoke. The outer end of the first spray pipe 8 is rotatably connected to the connecting pipe 10 via a rotating joint, and the connecting pipe 10 is connected to the external cooling water pipe. The inner wall of the upper end of the pretreatment box 1 is fixedly installed with a second limiting straight slide groove 11, and the second limiting straight slide grooves 11 are symmetrically distributed on the inner wall of the upper end of the pretreatment box 1. The inner wall of the second limiting straight slide groove 11 is movably connected to the moving frame 12. The front side of the upper end of the pretreatment box 1 has a maintenance port 13 through, and the front end of the moving frame 12 is movably connected to the inner wall of the maintenance port 13. The inner wall of the moving frame 12 is detachably fixedly installed with a filter element 14 for filtering petroleum tar. The rear side of the upper end of the pretreatment box 1 is fixedly installed with a second electric telescopic rod 15 through, and the front telescopic part of the second electric telescopic rod 15 is fixedly installed with the middle of the rear end of the moving frame 12. The top of the pretreatment box 1 is fixedly connected to a connecting pipe 16, and the connecting pipe 16 is connected to the inner side of the lower end of the desulfurization box 2 in conjunction with the exhaust fan.

[0027] A plurality of second spray pipes 17 are symmetrically arranged on the inner wall of the upper end of the desulfurization tank 2, and the second spray pipes 17 are annular in shape; the inner side of each second spray pipe 17 is fixedly connected with a desulfurization nozzle 18 for spraying lime water on the petroleum coke smoke; the outer side of each second spray pipe 17 is fixedly connected with a connecting port 19 penetrating through the upper end side wall of the desulfurization tank 2; the connecting port 19 is connected with an external lime water pipeline; the lower end of the pretreatment tank 1 and the desulfurization tank 2 is fixedly connected with a recovery pipeline 20, and a switch valve is fixedly arranged on the recovery pipeline 20; and the upper end of the desulfurization tank 2 is fixedly connected with an exhaust port 21.

[0028] When the petroleum coke smoke is introduced into the pretreatment tank 1, the external cooling water pipeline is controlled to be opened, and the cooling water is introduced into the first spray pipe 8 through the connecting pipe 10; when the cooling water is introduced into the first spray pipe 8, the cooling and atomizing nozzle 9 sprays the petroleum coke smoke introduced into the pretreatment tank 1, so that the temperature of the petroleum coke smoke is reduced, which is beneficial to the temperature requirement of the subsequent treatment process and preliminarily dissolves and absorbs part of the water-soluble pollutants such as part of the sulfur dioxide and ammonia; at the same time, the petroleum coke smoke after being sprayed and cooled is adsorbed, filtered and purified by the filter element 14; when the petroleum coke smoke is adsorbed, filtered and purified by the filter element 14, the cooling and adsorbed, filtered petroleum coke smoke is introduced into the desulfurization tank 2 through the communication pipe 16 and the exhaust fan; when the cooling and adsorbed, filtered petroleum coke smoke is introduced into the desulfurization tank 2, the external lime water pipeline is controlled to be opened, and the lime water is introduced into the second spray pipe 17 through the connecting port 19; when the lime water is introduced into the second spray pipe 17, the desulfurization nozzle 18 sprays the cooling and adsorbed, filtered petroleum coke smoke, so that the lime water chemically absorbs the harmful substances such as sulfur dioxide in the smoke, thereby realizing the cooling, adsorption, filtration and desulfurization treatment of the petroleum coke smoke.

[0029] When the first electric telescopic rod 5 is controlled to be opened and telescoped, the transmission straight rack 6 moves linearly along the inner wall of the first limiting straight sliding groove 4, the transmission gear ring 7 is driven to rotate, the first spray pipe 8 is driven to rotate, the cooling and atomizing nozzle 9 is driven to swing, and the cooling water sprayed by the cooling and atomizing nozzle 9 uniformly contacts the petroleum coke smoke, thereby increasing the treatment effect of the petroleum coke smoke.

[0030] Meanwhile, when the filter element 14 needs to be maintained and replaced, the second electric telescopic rod 15 is controlled to be extended, when the second electric telescopic rod 15 is extended, the moving frame 12 is driven to move forward along the inner wall of the second limiting straight sliding groove 11, when the moving frame 12 moves forward, the front end of the moving frame 12 moves out of the maintenance opening 13, when the front end of the moving frame 12 moves out of the maintenance opening 13, the filter element 14 can be maintained and replaced, thereby realizing the cooling, adsorption filtering and desulfurization treatment of the petroleum coke smoke, and facilitating the maintenance and replacement of the filter element 14.

[0031] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A petroleum coke gas treatment apparatus, characterized by: It include pre -treatment box (1) and desulfurization box (2); The lower end of the pre -treatment box (1) is fixedly connected with an air inlet pipe (3), and the lower end of the pre -treatment box (1) is fixedly connected with a first limiting straight sliding groove (4), and the rear end of the first limiting straight sliding groove (4) is fixedly connected with a first electric telescopic rod (5), and the front end of the first electric telescopic rod (5) is fixedly connected with a transmission straight rack (6), and the upper end of the transmission straight rack (6) is fixedly connected with a transmission gear ring (7), and the middle of the transmission gear ring (7) is fixedly connected with a first spray pipe (8), and the first spray pipe (8) is fixedly connected with a cooling atomizing nozzle (9) for spraying and cooling petroleum coke smoke, and the outer end of the first spray pipe (8) is rotatably connected with a connecting pipe (10) through a rotating joint, and the upper end of the pre -treatment box (1) is fixedly connected with a second limiting straight sliding groove (11), and the inner wall of the second limiting straight sliding groove (11) is movably connected with a moving frame (12), and the upper end of the pre -treatment box (1) is provided with a maintenance opening (13), and the inner wall of the moving frame (12) is fixedly connected with a filter element (14) for filtering petroleum coke smoke, and the upper end of the pre -treatment box (1) is fixedly connected with a second electric telescopic rod (15), and the upper end of the pre -treatment box (1) is fixedly connected with a connecting pipe (16). The upper end of the desulfurization box (2) is fixedly connected with a second spray pipe (17), and the inner wall of the second spray pipe (17) is fixedly connected with a desulfurization nozzle (18) for spraying lime water on petroleum coke smoke, and the outer side of the second spray pipe (17) is fixedly connected with a connecting port (19) through the upper end of the desulfurization box (2), and the lower end of the pre -treatment box (1) and the desulfurization box (2) is respectively fixedly connected with a recovery pipeline (20), and the upper end of the desulfurization box (2) is fixedly connected with an exhaust port (21).

2. A petroleum coke gas treatment apparatus according to claim 1, characterized in that: The air inlet pipe (3) is connected with the external petroleum coke smoke pipeline.

3. A petroleum coke gas treatment apparatus according to claim 2, characterized in that: The lower end of the transmission straight rack (6) is movably connected with the inner wall of the first limiting straight sliding groove (4), and the transmission gear ring (7) is provided with a plurality of transmission gear rings, which are symmetrically distributed on the upper end of the transmission straight rack (6) in sequence.

4. A petroleum coke gas treatment apparatus according to claim 3, characterized in that: The first spray pipe (8) is rotatably connected in the lower end of the pre -treatment box (1) through a rotating shaft, and the connecting pipe (10) is connected with the external cooling water pipeline.

5. A petroleum coke gas treatment apparatus according to claim 4, characterized in that: The second limiting straight sliding groove (11) is symmetrically distributed on the inner wall of the upper end of the pre -treatment box (1), and the front end of the moving frame (12) is movably connected with the inner wall of the maintenance opening (13).

6. A petroleum coke gas treatment apparatus according to claim 5, characterized in that: The front end of the second electric telescopic rod (15) is fixedly connected with the rear end of the moving frame (12), and the connecting pipe (16) is connected with the lower end of the desulfurization box (2) through the exhaust fan.

7. A petroleum coke gas treatment apparatus according to claim 6, characterized in that: The second spray pipe (17) is annular, and the second spray pipe (17) is provided with a plurality of second spray pipes, which are symmetrically distributed on the upper end of the desulfurization box (2) from top to bottom.

8. A petroleum coke gas treatment apparatus according to claim 7, characterized in that: The connecting port (19) is connected with the external lime water pipeline, and the recovery pipeline (20) is fixedly connected with a switch valve.

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