CN218132412U - Desulfurizer crushing equipment for boiler flue - Google Patents

Abstract

The utility model relates to the technical field of chemical equipment, and discloses desulfurizer crushing equipment for a boiler flue, which comprises a frame, a grinding unit and a screw feeder for feeding the grinding unit; the grinding unit comprises a box body and a grinding assembly used for grinding materials, the grinding assembly is located in the box body, a discharge opening is formed in the bottom of the box body, supporting legs are arranged at corners of the bottom end of the box body, and a rack is fixedly connected to free ends of the supporting legs. The utility model has the advantages of being simple in structure and convenient in operation, suitability obtain improving, consequently more do benefit to the popularization.

Description

Desulfurizer crushing equipment for boiler flue

Technical Field

The utility model relates to a chemical industry equipment technical field, concretely relates to desulfurizer crushing equipment for boiler flue.

Background

The dry desulfurizing process is one complete set of grinding and powder spraying apparatus comprising a crusher with grading system and a conveying fan, and has crushed sodium bicarbonate powder in layered or porous structure with homogeneous particle size and excellent dispersivity, and the solid superfine powder is sprayed through several nozzles to the hearth or fine powder reflecting bin to eliminate SO2 and HCl over 95% in tail gas effectively and reach elimination rate up to 99%.

In the prior art, in the flue gas purification process of sodium bicarbonate dry desulfurization, the desulfurization effect of sodium bicarbonate is greatly influenced by the particle size of sodium bicarbonate particles, sodium bicarbonate is manually poured into a buffer bin in a ton mode, materials are conveyed into a grinding box through the buffer bin, the sodium bicarbonate is ground by the grinding box so as to be conveyed into a fine powder bin, raw materials are manually added into the buffer bin, the labor intensity is high, the raw materials cannot be pretreated, and meanwhile, the harm to human bodies due to the fact that the sodium bicarbonate is in contact with the raw materials for a long time is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above defect, the utility model provides a boiler flue's desulfurizer crushing equipment to solve unable inhomogeneous technical problem to the desulfurizer breakage.

In order to solve the above problem, the utility model provides a basic scheme does: the desulfurizer crushing device for the boiler flue comprises a frame, a grinding unit and a screw feeder for feeding the grinding unit; the grinding unit comprises a box body and a grinding assembly used for grinding materials, the grinding assembly is located in the box body, a discharge opening is formed in the bottom of the box body, supporting legs are arranged at corners of the bottom end of the box body, and free ends of the supporting legs are fixedly connected with the rack.

The utility model discloses theory of operation and beneficial effect: sodium bicarbonate powder is uniformly crushed and ground by conveying the sodium bicarbonate into the box body and crushing and grinding the materials by the grinding assembly; the grinding assembly is placed in the box body to grind and crush, so that a large amount of dust and fine particles are generated and dispersed in the air when crushing is avoided, a large amount of dust is avoided in the air, the crushing process is more convenient and sanitary, and the labor intensity is reduced.

Scheme two, this is the preferred of basic scheme, grinding assembly includes two live rollers and two second motors, two the one end of live roller all rotates with the box and is connected, two the other end of live roller rotates and runs through the box and with the output shaft rigid coupling of second motor, two the last rigid coupling of live roller has a plurality of dogtooths, two the second motor direction of rotation is opposite. The second motor is connected with the box body in a rotating mode, an output shaft of the second motor is welded with the rotating rollers, the rotating rollers are driven to rotate at the same time, the two groups of rotating assemblies rotate oppositely, in order to enable the two groups of rotating rollers to rotate in different directions, the low-speed operation torque is larger, interruption is reduced, and the double-rotating-roller counter-rotating structure can guide solid waste to the centers of the rotating rollers to enable the material to be fully crushed; the rotating roller is welded with the convex teeth, and the convex teeth are driven by the rotating roller to rotate, so that the materials are crushed and ground by the convex teeth rotating oppositely.

Scheme three, this is the preferred of scheme two, screw feeder includes barrel, hob, first motor and the frequency conversion switch of the first motor rotational frequency of control, the one end of hob rotates with one side of barrel to be connected, the other end of hob rotate run through the barrel the opposite side and with first motor rigid coupling, barrel material loading end is equipped with throws the feed bin, the one end that the feed bin was kept away from to the barrel is equipped with the surge bin, the surge bin discharge end passes through pipeline and box intercommunication, barrel bottom rigid coupling has the pillar, the free end and the frame rigid coupling of pillar. In operating personnel will throw the feed bin with the material placement, will throw feed bin discharge end and barrel feed end flange joint through the pipeline, make the material in the feed bin drop to the barrel through gravity in, communicate barrel discharge end and surge bin by the pipeline, the rotational frequency through frequency conversion on-off control first motor, thereby the rotational frequency and the feed ability of control hob, rotate through the hob and carry the material in the barrel to the surge bin in, simultaneously carry out preliminary broken preliminary treatment in the barrel because of the hob rotates the drive material, the rotational frequency batcher of first motor is the higher more the higher the feed ability.

And a fine powder bin is fixedly connected to the rack and is positioned right below the discharge end of the discharge opening. Through running through the refined powder storehouse in the through-hole in the frame to weld refined powder storehouse and frame, make the feed end in refined crushing storehouse just to under with the discharge opening, be convenient for collect the material warp after the grinding.

And a fifth scheme is the optimization of the fourth scheme, and the box body is provided with a sight glass. An operator observes the grinding condition of the materials in the box body in real time through a sight glass, and controls the rotation frequency of the variable frequency switch according to the grinding degree.

Drawings

The invention is further illustrated by the following figures and specific embodiments.

FIG. 1 is a perspective view of the desulfurizer crushing apparatus for a boiler flue of the present invention;

FIG. 2 is a front view of the desulfurizer breaking apparatus for a boiler flue of the present invention;

FIG. 3 is a longitudinal cross-sectional view of FIG. 2 according to the present invention;

FIG. 4 is a partial cross-sectional view of the desulfurizer crushing apparatus grinding unit for a boiler flue of the present invention.

In the figure: a charging bin 101; a surge bin 102; a cylinder 103; a screw 104; a first electric motor 105; a case 201; a rotating roller 202; a second motor 203; a convex tooth 204; a discharge opening 205; a mirror 206; a fine powder bin 207; a frame 301; a strut 302; a leg 303.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 4: the desulfurizer crushing device for the boiler flue comprises a frame 301, a screw feeder and a grinding unit; the screw feeder comprises a cylinder 103, a screw rod 104, a first motor 105, a model YP2-250M-2 of the first motor 105 and a variable frequency switch for controlling the rotation frequency of the first motor 105, wherein the model of the variable frequency switch is DZ20Y-100, the screw rod 104 is welded with an output shaft of the first motor 105, the screw rod 104 penetrates through the cylinder 103 and is rotatably connected with the cylinder 103, the feeding end of the cylinder 103 is communicated with the discharging end of a feeding bin 101 through a pipeline, and the discharging end of the cylinder 103 is communicated with the feeding end of a buffer bin 102 through a pipeline; the bottom of the cylinder 103 is welded with a strut 302, and the free end of the strut 302 is welded with the frame 301.

The grinding unit comprises a box body 201 and grinding assemblies, each grinding assembly comprises two groups of rotating assemblies, each rotating assembly comprises a rotating roller 202, a second motor 203 and a variable frequency switch for controlling the rotation of the second motor 203, the type of the variable frequency switch is TL-100, an output shaft of the second motor 203 rotatably penetrates through the box body 201, the rotating rollers 202 are welded with a plurality of convex teeth 204 and welded on the rotating rollers 202, the two groups of rotating assemblies rotate oppositely, and gaps are formed between the two groups of convex teeth 204; the bottom end of the box body 201 is provided with a discharge opening 205, a fine powder bin 207 is arranged right below the discharge end of the discharge opening 205, and the fine powder bin 207 is welded with the rack 301; the bottom edge of the box 201 is welded with a supporting leg 303, and the free end of the supporting leg 303 is welded with the frame 301.

The implementation manner of the embodiment is as follows: an operator puts granular sodium bicarbonate into the feeding bin 101 to enable the granular materials to fall into the cylinder 103, controls the rotation frequency of the first motor 105 through the variable frequency switch to enable the first motor 105 to drive the screw rod 104 to rotate in the cylinder 103, and enables the screw rod 104 to rotate on the movable block 106 so as to enable the screw rod 105 to rotate in the cylinder 103, so that the granular materials at the feeding end in the cylinder 103 are conveyed to the discharging end of the cylinder 103, and meanwhile, the screw rod 104 can convey the materials when rotating relative to the cylinder 103, and can also primarily crush the materials in the cylinder 103; the materials are discharged into the buffer bin 102 from the discharge end of the cylinder 103, the particle materials are conveyed to the two groups of rotating rollers 202 by the buffer bin 102, the two groups of rotating rollers 202 are driven to rotate by the second motor 203 respectively by controlling the two groups of rotating rollers 202 to rotate oppositely, the two groups of rotating rollers 202 rotate oppositely, and the desulfurizing agents can be guided to the centers of the rotating rollers 202 by the oppositely rotating structures of the two groups of rotating rollers 202 so as to be fully crushed; the materials are crushed in the box body 201 and then fall to a discharge opening 205 to a fine powder bin 207 for collection; the rotating frequency of the first motor 105 is adjusted according to the crushing capacity, the feeding and crushing pretreatment of the desulfurizer in the feeding bin 101 through the screw feeder is realized, and a large amount of dust and fine particles are prevented from flying into the air during the crushing operation, so that a large amount of dust is prevented from existing in the air, the device is more convenient and sanitary to use, and the labor intensity is reduced.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top", "end", "one side" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Also, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, adjustably 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 in specific cases to those skilled in the art.

It is to be understood that the above description is only one embodiment of the invention, and not all embodiments. Other modifications or equivalent substitutions made by those skilled in the art based on the embodiments of the present invention should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims (5)

1. A desulfurizer crushing equipment for boiler flue, its characterized in that: comprises a frame (301), a grinding unit and a screw feeder for feeding the grinding unit; the grinding unit comprises a box body (201) and a grinding assembly for grinding materials, wherein the grinding assembly is located in the box body (201), a discharge opening (205) is formed in the bottom of the box body (201), supporting legs (303) are arranged at corners of the bottom end of the box body (201), and free ends of the supporting legs (303) are fixedly connected with a rack (301).

2. The desulfurizing agent crushing apparatus for boiler flues according to claim 1, wherein: the grinding assembly comprises two rotating rollers (202) and two second motors (203), one ends of the rotating rollers (202) are rotatably connected with the box body (201), the other ends of the rotating rollers (202) rotate to penetrate through the box body (201) and fixedly connected with output shafts of the second motors (203), a plurality of convex teeth (204) are fixedly connected onto the rotating rollers (202), and the rotating directions of the second motors (203) are opposite.

3. The desulfurizing agent crushing apparatus for boiler flues according to claim 2, wherein: the screw feeder comprises a barrel (103), a screw rod (104), a first motor (105) and a frequency conversion switch for controlling the rotation frequency of the first motor (105), one end of the screw rod (104) is rotatably connected with one side of the barrel (103), the other end of the screw rod (104) is rotatably connected with the other side of the barrel (103) and fixedly connected with the first motor (105), a feeding bin (101) is arranged on the barrel (103), a buffer bin (102) is arranged at one end, far away from the feeding bin (101), of the barrel (103), the discharge end of the buffer bin (102) is communicated with a box body (201) through a pipeline, a support column (302) is fixedly connected to the bottom of the barrel (103), and the free end of the support column (302) is fixedly connected with a rack (301).

4. The desulfurizing agent crushing apparatus for boiler flues according to claim 3, wherein: and a fine powder bin (207) is fixedly connected to the frame (301), and the fine powder bin (207) is positioned right below the discharge end of the discharge opening (205).

5. The desulfurizing agent crushing apparatus for boiler flues according to claim 4, wherein: the box body (201) is provided with a sight glass (206).

Images