Dry dust remover for blast furnace gas

Abstract

The utility model relates to the technical field of dry dust removal, and discloses a dry dust remover for blast furnace gas, which comprises a fixed base and a dust removal device, a metal pipeline is in threaded connection with the surface of the top end of the dust removal device, and a metal tank body is in threaded connection with the surface of the bottom end of the metal pipeline. The front end of the surface of the top end of the fixed base is in threaded connection with a nitrogen tank, the surface of the inner wall of the metal tank body is movably connected with a brushing mechanism, the lower end of the surface of the inner wall of the metal tank body is movably connected with a stirring mechanism, and the surface of the lower end of the metal tank body is fixedly connected with a metal supporting frame; and the fixed base is fixedly connected to the surface of the bottom end of the dust removal device. According to the dry dust remover for the blast furnace gas, the threaded bolt, the metal rod and the metal sliding plate are arranged, a metal block pushes the metal rod to move left and right, the metal block can drive silk cloth to move left and right, after the silk cloth is damaged, the silk cloth is replaced more conveniently and rapidly, and the service time of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of dry dust removal, in particular to a dry dust collector for blast furnace gas. Background Art

[0002] Blast furnace gas is a combustible gas produced as a by-product in the blast furnace ironmaking process. Its main components are 6-12% carbon dioxide, 28-33% carbon monoxide, 1-4% hydrogen, 55-60% nitrogen, 0.2-0.5% hydrocarbons and a small amount of sulfur dioxide. Its dust concentration is 10-50 grams per cubic meter, and the average dust production is 50kg / t-75kg / t. The dust particle size is below 500μm, and it is mainly iron, ferrous oxide, aluminum oxide, silicon oxide, magnesium oxide and coke powder. The dry dust collector is used to clean the dust in blast furnace gas.

[0003] The prior art discloses a blast furnace gas dry dust collector with application number: CN202221823217.9, comprising a base plate, and also comprising: an adsorption component, comprising a support plate connected to the top of the base plate and an electrode box connected to the side wall of the support plate; a first cleaning component, comprising a motor connected to the top of the electrode box, a support rod connected to the inner wall of the electrode box, and an electrode brush connected to the outer wall of the support rod and matched with the inner wall of the electrode box; a second cleaning component, connected to the top of the base plate, the second cleaning component cooperates with the adsorption component; a spoiler component, connected to the top of the electrode box, the spoiler component cooperates with the first cleaning component. The present application can stir, divide and turbulent the blast furnace gas inside the electrode box through the spoiler component, so that the blast furnace gas can be evenly distributed inside the electrode box. Through the set nitrogen tank, the dust particles on the side walls of the electrode brush and the side walls of the guide plate can be cleaned to avoid dust accumulation on the surface of the electrode brush and the surface of the guide plate, which affects the dust removal effect of the device.

[0004] The support rod and the motor brush are fixedly connected, but the motor brush and the inner wall surface of the metal shell rotate. Due to the friction between dust, the metal shell and the motor brush, the motor brush is easily damaged. It takes a lot of time to replace the motor brush. Utility Model Content

[0005] The utility model aims to provide a dry dust collector for blast furnace gas to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dry dust collector for blast furnace gas, comprising a fixed base and a dust removal device, the top surface of the dust removal device is threadedly connected to a metal pipe, the bottom surface of the metal pipe is threadedly connected to a metal tank body, the front end of the top surface of the fixed base is threadedly connected to a nitrogen tank, the inner wall surface of the metal tank body is movably connected to a cleaning mechanism, the lower end of the inner wall surface of the metal tank body is movably connected to a stirring mechanism, the lower end surface of the metal tank body is fixedly connected to a metal support frame, and the fixed base is fixedly connected to the bottom surface of the dust removal device.

[0007] The cleaning mechanism comprises a limiting unit and a connecting unit, and the limiting unit and the connecting unit are arranged in sequence from right to left.

[0008] Preferably, the limiting unit includes a coil spring, a metal slide plate, a sliding connector and a threaded bolt, the coil spring is located at the left end of the limiting unit, the coil spring is fixedly connected to the left side surface of the metal slide plate, the metal slide plate is threadedly connected to the threaded end surface of the threaded bolt, and the metal slide plate is fixedly connected to the back side of the sliding connector.

[0009] Preferably, the connection unit comprises a metal rod, a metal block and a silk cloth, wherein the silk cloth is located at the left end of the connection unit, the silk cloth is threadedly connected to the left surface of the metal block, and the metal block is fixedly connected to the right surface of the metal rod.

[0010] Preferably, the stirring mechanism includes a metal cross, a variable frequency motor, a stirring plate, a metal scraper and a stirring rod, the variable frequency motor is located at the upper end of the stirring mechanism, the variable frequency motor is threadedly connected to the top surface of the stirring rod, the stirring rod is threadedly connected to the inner wall surface in the middle of the metal cross, the metal cross is movably connected to the upper and lower ends of the stirring plate, and the stirring rod is fixedly connected to the bottom surface of the metal scraper.

[0011] Preferably, the metal rods are divided into four groups, the four groups of metal rods are distributed and surrounded at equal intervals, and the number of metal rods in one group is four. The four metal rods are fixedly connected to the four corners of the right side surface of the metal block. The metal rods push the metal slide plate to move to the right, and the metal slide plate drives the sliding connector to move to the right, so that the sliding connector can slide on the inner wall surface of the metal cross.

[0012] Preferably, the metal cross is movably connected to the back side of the metal slide plate, the metal cross is movably connected to the surface of the sliding connector, the metal cross is fixedly connected to the outer surface of the coil spring, the metal cross is movably connected to the surface of the metal rod, the metal cross is threadedly connected to the threaded end surface of the threaded bolt, the hexagonal end of the threaded bolt is held, the threaded bolt is rotated, and the threaded bolt threadably fixes the metal cross and the metal slide plate, thereby enabling the metal cross and the metal slide plate to be threadably fixed.

[0013] Preferably, the metal rod is threadedly connected to the outer surface of the metal slide, the metal rod is located inside the coil spring, the coil spring is fixedly connected to the left surface of the metal cross, and the metal slide pulls the coil spring to start stretching, thereby adjusting the position of the metal block.

[0014] Preferably, the metal scraper is movably connected to the lower end of the inner wall surface of the metal tank body, the metal tank body is movably connected to the surface of the silk cloth, the metal rod drives the metal block to rotate, the metal block drives the silk cloth to rotate, and the silk cloth rotates on the inner wall surface of the metal tank body, so that static electricity is generated on the inner wall surface of the metal tank body.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The dry dust collector for blast furnace gas is provided with threaded bolts, metal rods and metal slide plates. The metal block pushes the metal rod to move left and right, and the metal block can drive the silk cloth to move left and right. When the silk cloth is damaged, the replacement of the silk cloth is more convenient and faster, which can increase the service life of the device.

[0017] 2. The dry dust collector for blast furnace gas is provided with a variable frequency motor, a stirring rod and a metal scraper, so that the metal scraper scrapes the dust on the inner wall surface of the lower end of the metal tank body, making the dust collection faster and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the cleaning mechanism and the stirring mechanism of the utility model;

[0021] Figure 4 This is a bottom-up stereoscopic schematic diagram of the cleaning mechanism and the stirring mechanism of the utility model;

[0022] Figure 5 For this utility model Figure 4 A local enlarged schematic diagram of the structure at A;

[0023] Figure 6 The utility model is a three-dimensional schematic diagram of a metal block, a silk cloth and a metal rod.

[0024] In the figure: 1. Brushing mechanism; 101. Metal rod; 102. Coil spring; 103. Metal slide plate; 104. Sliding connector; 105. Threaded bolt; 106. Metal block; 107. Silk cloth; 2. Stirring mechanism; 201. Metal cross; 202. Frequency conversion motor; 203. Stirring plate; 204. Metal scraper; 205. Stirring rod; 3. Dust removal device; 4. Metal tank body; 5. Nitrogen tank; 6. Fixed base; 7. Metal support frame; 8. Metal pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6 , the utility model provides the following technical solutions:

[0027] A dry dust collector for blast furnace gas comprises a fixed base 6 and a dust removal device 3, the top surface of the dust removal device 3 is threadedly connected to a metal pipe 8, the bottom surface of the metal pipe 8 is threadedly connected to a metal tank body 4, the front end of the top surface of the fixed base 6 is threadedly connected to a nitrogen tank 5, the inner wall surface of the metal tank body 4 is movably connected to a cleaning mechanism 1, the lower end of the inner wall surface of the metal tank body 4 is movably connected to a stirring mechanism 2, the lower end surface of the metal tank body 4 is fixedly connected to a metal support frame 7, and the fixed base 6 is fixedly connected to the bottom surface of the dust removal device 3.

[0028] The cleaning mechanism 1 comprises a limiting unit and a connecting unit, which are arranged in sequence from right to left.

[0029] The limiting unit includes a coil spring 102, a metal slide 103, a sliding connector 104 and a threaded bolt 105. The coil spring 102 is located at the left end of the limiting unit. The coil spring 102 is fixedly connected to the left side surface of the metal slide 103. The metal slide 103 is threadedly connected to the threaded end surface of the threaded bolt 105. The metal slide 103 is fixedly connected to the back side of the sliding connector 104.

[0030] The connecting unit includes a metal rod 101, a metal block 106 and a silk cloth 107. The silk cloth 107 is located at the left end of the connecting unit. The silk cloth 107 is threadedly connected to the left surface of the metal block 106. The metal block 106 is fixedly connected to the right surface of the metal rod 101. The metal rod 101 is divided into four groups. The four groups of metal rods 101 are distributed and surrounded at equal intervals. The number of metal rods 101 in a group is four. The four metal rods 101 are fixedly connected to the four corners of the right surface of the metal block 106. The metal rod 101 pushes the metal slide 103 to move to the right. The metal slide 103 drives the sliding connector 104 to move to the right, so that the sliding connector 104 can slide on the inner wall surface of the metal cross 201.

[0031] The stirring mechanism 2 includes a metal cross 201, a variable frequency motor 202, a stirring plate 203, a metal scraper 204 and a stirring rod 205. The variable frequency motor 202 is located at the upper end of the stirring mechanism 2. The variable frequency motor 202 is threadedly connected to the top surface of the stirring rod 205. The stirring rod 205 is threadedly connected to the inner wall surface in the middle of the metal cross 201. The metal cross 201 is movably connected to the back of the metal slide 103. The metal cross 201 is movably connected to the surface of the sliding connector 104. The metal cross 201 is fixedly connected to the outer surface of the coil spring 102. The metal cross 201 is movably connected to the surface of the metal rod 101. The metal cross 201 is threadedly connected to the threaded end surface of the threaded bolt 105. The hexagonal end of the threaded bolt 105 is held and the threaded bolt 105 is rotated. The threaded bolt 105 threadably fixes the metal cross 201 and the metal slide 103, thereby The metal cross 201 and the metal slide plate 103 can be threadedly fixed, the metal cross 201 is movably connected to the upper and lower ends of the stirring plate 203, the stirring rod 205 is fixedly connected to the bottom surface of the metal scraper 204, the metal rod 101 is threadedly connected to the outer surface of the metal slide plate 103, the metal rod 101 is located inside the coil spring 102, the coil spring 102 is fixedly connected to the left surface of the metal cross 201, the metal slide plate 103 pulls the coil spring 102 to start stretching, so that the position of the metal block 106 can be adjusted, the metal scraper 204 is movably connected to the lower end of the inner wall surface of the metal tank body 4, the metal tank body 4 is movably connected to the surface of the silk cloth 107, the metal rod 101 drives the metal block 106 to rotate, the metal block 106 drives the silk cloth 107 to rotate, the silk cloth 107 rotates on the inner wall surface of the metal tank body 4, so that static electricity is generated on the inner wall surface of the metal tank body 4.

[0032] When in use, hold the left side surface of the metal block 106 and push the metal block 106 to move to the right. The metal block 106 pushes the metal rod 101 to move to the right, so that the metal rod 101 can slide on the inner wall surface of the outer end of the metal cross 201. The metal rod 101 pushes the metal slide plate 103 to move to the right. The metal slide plate 103 drives the sliding connection member 104 to move to the right, so that the sliding connection member 104 can slide on the inner wall surface of the metal cross 201. The metal slide plate 103 pulls the spiral spring 102 to start to extend, so that the position of the metal block 106 can be adjusted. Hold the hexagonal end of the threaded bolt 105 and turn the threaded bolt 105. The threaded bolt 105 screws the metal cross 201 and the metal slide plate 103 together, so that the metal cross 201 and the metal slide plate 103 can be screwed together. Then hold the upper end of the silk cloth 107 and push the silk cloth 107 to move to the right, so that the silk cloth 107 can be bonded to the surface of the metal block 106. Then, the variable frequency motor 202 is started, the rotor of the variable frequency motor 202 drives the stirring rod 205 to rotate, the stirring rod 205 drives the metal cross 201 to rotate, the metal cross 201 drives the metal rod 101 to rotate, the metal rod 101 drives the metal block 106 to rotate, the metal block 106 drives the silk cloth 107 to rotate, the silk cloth 107 rotates on the inner wall surface of the metal tank body 4, so that static electricity is generated on the inner wall surface of the metal tank body 4, and then coal gas flows into the metal tank body 4, so that the coal gas is located inside the tank body, so that the metal tank body 4 can begin to absorb dust by internal static electricity, which is convenient for collecting dust, so that the metal scraper 204 can scrape the dust from the lower end of the inner wall surface of the metal tank body 4, and after the dust removal is completed, the nitrogen tank 5 can fill the metal tank body 4 with nitrogen, so as to clean the surface of the metal block 106 and the surface of the stirring plate 203 inside the metal tank body 4, so as to avoid dust accumulation on the surface of the metal block 106 and the surface of the stirring plate 203, which affects the dust removal effect of the device.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dry dust collector for blast furnace gas, comprising a fixed base (6) and a dust removal device (3), characterized in that: The top surface of the dust removal device (3) is connected to a metal pipe (8), the bottom surface of the metal pipe (8) is connected to a metal tank body (4), the front end of the top surface of the fixed base (6) is connected to a nitrogen tank (5), the inner wall surface of the metal tank body (4) is connected to a cleaning mechanism (1), the lower end of the inner wall surface of the metal tank body (4) is connected to a stirring mechanism (2), the lower end surface of the metal tank body (4) is connected to a metal support frame (7), and the fixed base (6) is connected to the bottom surface of the dust removal device (3); The cleaning mechanism (1) comprises a limiting unit and a connecting unit, and the limiting unit and the connecting unit are arranged in sequence from right to left.

2. A dry dust collector for blast furnace gas according to claim 1, characterized in that: The limiting unit comprises a coil spring (102), a metal slide plate (103), a sliding connection piece (104) and a threaded bolt (105); the coil spring (102) is located at the left end of the limiting unit; the coil spring (102) is connected to the left side surface of the metal slide plate (103); the metal slide plate (103) is connected to the threaded end surface of the threaded bolt (105); and the metal slide plate (103) is connected to the back side of the sliding connection piece (104).

3. A dry dust collector for blast furnace gas according to claim 2, characterized in that: The connection unit comprises a metal rod (101), a metal block (106) and a silk cloth (107), wherein the silk cloth (107) is located at the left end of the connection unit, the silk cloth (107) is connected to the left side surface of the metal block (106), and the metal block (106) is connected to the right side surface of the metal rod (101).

4. A dry dust collector for blast furnace gas according to claim 3, characterized in that: The stirring mechanism (2) comprises a metal cross (201), a variable frequency motor (202), a stirring plate (203), a metal scraper (204) and a stirring rod (205); the variable frequency motor (202) is located at the upper end of the stirring mechanism (2); the variable frequency motor (202) is connected to the top surface of the stirring rod (205); the stirring rod (205) is connected to the inner wall surface in the middle of the metal cross (201); the metal cross (201) is movably connected to the upper and lower ends of the stirring plate (203); and the stirring rod (205) is connected to the bottom surface of the metal scraper (204).

5. A dry dust collector for blast furnace gas according to claim 4, characterized in that: The metal rods (101) are divided into four groups, and the four groups of metal rods (101) are distributed around at equal intervals. The number of metal rods (101) in one group is four, and the four metal rods (101) are connected to the four corners of the right side surface of the metal block (106).

6. A dry dust collector for blast furnace gas according to claim 5, characterized in that: The metal cross (201) is connected to the back side of the metal slide plate (103), the metal cross (201) is connected to the surface of the sliding connection member (104), the metal cross (201) is connected to the outer surface of the coil spring (102), the metal cross (201) is connected to the surface of the metal rod (101), and the metal cross (201) is connected to the threaded end surface of the threaded bolt (105).

7. A dry dust collector for blast furnace gas according to claim 6, characterized in that: The metal rod (101) is connected to the outer surface of the metal slide plate (103), the metal rod (101) is located inside the coil spring (102), and the coil spring (102) is connected to the left side surface of the metal cross (201).

8. A dry dust collector for blast furnace gas according to claim 7, characterized in that: The metal scraper (204) is connected to the lower end of the inner wall surface of the metal can body (4), and the metal can body (4) is connected to the surface of the silk cloth (107).

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