Desulfurization and denitrification coke oven flue gas purification device

Abstract

The utility model discloses a desulfurization and denitrification coke oven flue gas purification device, which relates to the technical field of boiler flue gas treatment and comprises a purification box, gas guide hoods are fixedly arranged at two ends in the purification box, each gas guide hood is of a horn structure, and a connecting pipe is fixedly arranged at one end of each gas guide hood. According to the utility model, the purification box is arranged, the movable frames and the movable plates are arranged in the purification box, the plurality of movable frames are arranged, the plurality of movable frames are inserted into the plurality of inclined slots, the filter plates are arranged in the plurality of movable frames, and the plurality of filter plates and the movable frames form a wave-shaped filter structure; the design of the wave-shaped structure enables the contact area of the aluminum plate and flue gas to be increased, so that the filtering efficiency of the device on particle dust in the flue gas can be improved, the multiple through grooves are formed in the middle of the movable plate, the dust bags are arranged at the groove openings of the through grooves, and the dust bags not only can achieve secondary filtering of the flue gas, but also can collect the filtered dust.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler flue gas treatment technical field, especially relates to a desulfurization and denitrification coke oven flue gas purification device. BACKGROUND

[0002] A furnace usually built of firebrick and refractory blocks for carbonizing coal to produce coke. A furnace for the manufacture of coke from coal. It is the main thermal equipment for coking. The modern coke oven refers to the horizontal chamber coke oven which can recover coking chemical products and is mainly used for producing metallurgical coke, which is composed of the oven body and auxiliary equipment. The main pollution components of coke oven flue gas are SO2, NOx, etc. SO2 and NOx not only harm human health, but also seriously pollute the environment. The existing coke oven flue gas purification device cannot meet the emission limit value requirement of the new environmental protection standard for coke oven flue gas pollution purification, and the tail gas after purification of the coke oven flue gas purification device contains certain smoke dust, which leads to that the tail gas emission is difficult to meet the standard.

[0003] Such as the publication number for CN217746239U a kind of coke oven flue gas is purified before denitrification device, including filter mechanism, the filter mechanism both sides are equipped with flow channel, the filter mechanism lower surface is welded with support mechanism, the support mechanism is slidably connected with several storage boxes, the filter mechanism includes filter box and the box cover fixedly connected in the filter box front side by bolt, the filter box left and right two side surfaces middle positions are all equipped with air hole, by placing filter frame obliquely, after the flue gas passes through filter screen in filter frame, dust and coal ash filtered out under the action of gravity will automatically fall into storage box interior, will not block filter screen, when needing to replace storage box, the lower storage box can be directly used to eject the upper storage box from support frame, it is more convenient when replacing storage box.

[0004] The above technical scheme has some problems in actual application. Although the technical scheme can realize the disassembly and cleaning of the filter screen, the setting of the filter screen is not reasonable, the filtering efficiency of the flue gas is low, and the filtering function is single, so the filtering effect is poor.

[0005] Therefore, it is necessary to invent a desulfurization and denitrification coke oven flue gas purification device to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of desulfurization and denitrification coke oven flue gas purification device to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: A desulfurization and denitration coke oven flue gas purification device, including the purification tank, both ends of the inside of the purification tank are fixedly provided with the gas guide cover, and the gas guide cover is arranged as a horn structure, one end of the gas guide cover is fixedly provided with the connecting pipe, the inside of the purification tank is fixedly provided with the fixed frame, both sides of the inside wall of the fixed frame are all provided with the slot, the slot is provided with a plurality of, and a plurality of slots are all arranged as inclined structure, the inside of the slot is insertedly provided with the movable frame, and the inside of the movable frame is insertedly provided with the filter plate, both end inner walls of the purification tank are fixedly provided with the positioning frame, the inside of the positioning frame is insertedly provided with the movable plate, a plurality of through grooves are arranged in the middle part of the movable plate, the notch of the through groove is provided with the dust bag, and the dust bag is arranged as a conical structure.

[0008] Preferably, one end of the dust bag is fixedly provided with a positioning ring, a groove is formed in the notch of the through groove, and the positioning ring is arranged in the groove.

[0009] Preferably, one side of the movable plate is provided with a pressing plate, and the pressing plate is fixedly connected with the movable plate through bolts.

[0010] Preferably, a pressing groove is arranged in the middle part of the pressing plate, the diameter of the pressing groove is smaller than that of the positioning ring, and the position of the pressing groove corresponds to the groove.

[0011] Preferably, a connecting cover is fixedly arranged in the middle part of both ends of the purification tank, and one end of the connecting cover is connected with one end of the connecting pipe.

[0012] Preferably, baffles are arranged on both sides of the purification tank, and the baffles are connected with the outer side wall of the purification tank through mounting bolts at the four corners.

[0013] The utility model discloses a technical effect and advantage:

[0014] 1, the utility model discloses a purification tank, the inside of the purification tank is provided with movable frame and movable plate, the movable frame is provided with a plurality of, and a plurality of movable frames are all inserted and set in a plurality of inclined slots, the inside of a plurality of movable frames is provided with the filter plate, and a plurality of filter plates and movable frame constitute the filtering structure of the wave shape, and the design of the wave shape structure makes the contact area of the aluminum plate and the flue gas improve, so that the filtering efficiency of the device to the particulate dust in the flue gas can be improved, a plurality of through grooves are formed in the middle part of the movable plate, the notch of the through groove is provided with the dust bag, the dust bag can not only realize the secondary filtration to the flue gas, but also can collect the filtered dust, which ensures the flue gas purification efficiency of the device and facilitates the collection of the filtered particulate matter.

[0015] 2. The utility model discloses a positioning ring is set up to one end of dust bag through setting recess at the slot mouth of through slot, and the positioning ring can be installed in recess, and the movable plate is set up through setting pressing plate to one side of movable plate, and the positioning ring can be fixedly pressed in recess through pressing plate, to realize the installation and fixation of dust bag, and the dust bag can be replaced and cleaned conveniently by removing movable plate and releasing the limiting of dust bag. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model.

[0017] Figure 2 It is the whole structure explosion drawing of the utility model.

[0018] Figure 3 It is the purification box structure section view schematic diagram of the utility model.

[0019] Figure 4 It is the whole structure section view schematic diagram of the utility model.

[0020] Figure 5 It is the movable plate structure explosion drawing of the utility model.

[0021] In the drawing: 1, purification box;2, gas guide cover;3, connecting pipe;4, fixed frame;5, slot;6, movable frame;7, filter plate;8, positioning frame;9, movable plate;10, through slot;11, dust bag;12, positioning ring;13, recess;14, pressing plate;15, pressing groove;16, connecting cover;17, baffle;18, mounting bolt. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] The utility model provides a kind of desulfurization and denitration coke oven flue gas purification device as Figures 1-5 As shown in a kind of desulfurization and denitration coke oven flue gas purification device provided by the utility model, including purification box 1, the inside both ends of purification box 1 are fixedly provided with gas guide cover 2, and gas guide cover 2 is set as horn structure, one end of gas guide cover 2 is fixedly provided with connecting pipe 3, the inside of purification box 1 is fixedly provided with fixed frame 4, the inside wall of both sides of fixed frame 4 is all provided with slot 5, slot 5 is provided with multiple, and multiple slot 5 are all set as inclined structure, movable frame 6 is inserted and arranged in the inside of slot 5, and filter plate 7 is inserted and arranged in the inside of movable frame 6, multiple filter plates 7 form wave-shaped filter structure, to improve its filter efficiency to flue gas;

[0024] Specifically, the two end inner walls of the purification box 1 are fixedly provided with positioning frames 8, the positioning frames 8 are inserted with movable plates 9, the middle part of the movable plates 9 is provided with a plurality of through grooves 10, the through grooves 10 are provided with dust bags 11 at the groove openings, the aperture of the dust bags 11 is smaller than the filter plate 7, the dust bags 11 can realize secondary filtration of small particle dust in the flue gas, and the dust bags 11 are provided in a conical structure, the design of the conical structure can improve the contact area of the dust bags 11 and the flue gas, so as to improve the filtration efficiency;

[0025] More specifically, one end of the dust bag 11 is fixedly provided with a positioning ring 12, a groove 13 is formed at the groove opening of the through groove 10, the positioning ring 12 is arranged in the groove 13, one side of the movable plate 9 is provided with a pressing plate 14, the pressing plate 14 is fixedly connected with the movable plate 9 through bolts, the middle part of the pressing plate 14 is provided with a pressing groove 15, the diameter of the pressing groove 15 is smaller than that of the positioning ring 12, and the position of the pressing groove 15 corresponds to the groove 13, and the pressing plate 14 can press the positioning ring 12 in the groove 13;

[0026] Furthermore, the middle part of the two ends of the purification box 1 is fixedly provided with a connecting cover 16, and one end of the connecting cover 16 is connected with one end of the connecting pipe 3, so that the purification box 1 is connected with the flue gas pipeline.

[0027] Furthermore, the two sides of the purification box 1 are provided with baffle plates 17, and the four corners of the baffle plates 17 are connected with the outer side walls of the purification box 1 through mounting bolts 18.

[0028] The working principle of the utility model:

[0029] When the device is used, the flue gas to be treated enters the purification box 1 through the connecting cover 16, and then passes through the movable frame 6 and the movable plate 9 under the guidance of the gas guide cover 2, in the process, the flue gas passes through the filter plate 7, the filter plate 7 filters the large particle impurities in the flue gas, the filtered flue gas enters the dust bag 11 through the through groove 10, and then passes through the dust bag 11 and is discharged through another connecting cover 16, in the process of passing through the dust bag 11, the small particle impurities are filtered and collected by the dust bag 11, and in the process of passing through the purification box 1, the particle impurities in the flue gas can be filtered and treated, so as to facilitate the subsequent purification treatment of the flue gas;

[0030] When the device is cleaned, the baffle plate 17 can be disassembled by removing the mounting bolts 18, and then the movable frame 6 and the movable plate 9 can be removed, and the filter plate 7 and the dust bag 11 can be cleaned.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A desulfurization and denitrification coke oven flue gas purification device, comprising a purification box (1), characterized in that: Both ends of the inside of the purification box (1) are fixedly provided with air guide covers (2), and the air guide covers (2) are arranged in a horn structure, one end of the air guide cover (2) is fixedly provided with a connecting pipe (3), the inside of the purification box (1) is fixedly provided with a fixed frame (4), both side inner walls of the fixed frame (4) are provided with a plurality of insertion grooves (5), the insertion grooves (5) are arranged in an inclined structure, the inside of the insertion groove (5) is insertedly provided with a movable frame (6), the inside of the movable frame (6) is insertedly provided with a filter plate (7), both end inner walls of the purification box (1) are fixedly provided with positioning frames (8), the inside of the positioning frame (8) is insertedly provided with a movable plate (9), a plurality of through grooves (10) are arranged in the middle part of the movable plate (9), the through groove (10) is provided with a dust bag (11) at the notch, and the dust bag (11) is arranged in a conical structure.

2. A device for purifying coke oven flue gas from sulfur and nitrogen oxides according to claim 1, characterized in that: One end of the dust bag (11) is fixedly provided with a positioning ring (12), the notch of the through groove (10) is provided with a groove (13), and the positioning ring (12) is arranged in the inside of the groove (13).

3. A device for purifying coke oven flue gas from sulfur and nitrogen oxides according to claim 2, characterized in that: One side of the movable plate (9) is provided with a pressing plate (14), and the pressing plate (14) is fixedly connected with the movable plate (9) through bolts.

4. The desulfurization and denitrification coke oven flue gas purification device according to claim 3, characterized in that: The middle part of the pressing plate (14) is provided with a pressing groove (15), the diameter of the pressing groove (15) is smaller than that of the positioning ring (12), and the position of the pressing groove (15) corresponds to the groove (13).

5. A device for purifying coke oven flue gas from sulfur and nitrogen oxides according to claim 4, characterized in that: Both middle parts of the two ends of the purification box (1) are fixedly provided with connecting covers (16), and one end of the connecting cover (16) is connected with one end of the connecting pipe (3).

6. A device for purifying coke oven flue gas from sulfur and nitrogen oxides according to claim 5, characterized in that: Both sides of the purification box (1) are provided with baffle plates (17), and the four corners of the baffle plate (17) are connected with the outer side wall of the purification box (1) through mounting bolts (18).

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