CN219200019U

CN219200019U - Adjustable material scattering box device

Info

Publication number: CN219200019U
Application number: CN202320689703.4U
Authority: CN
Inventors: 赵刚; 毛荣; 蔡晖
Original assignee: Mianyang Eliteleague Environmental Protection And Energy Saving Technology Co ltd
Current assignee: Mianyang Jiufang Intelligent Equipment Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-16
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to the technical field of material scattering boxes, in particular to an adjustable material scattering box device which comprises a box body, wherein the box body comprises a feed inlet communicated with a conveying pipe and a discharge outlet communicated with a heat exchange air pipe, an adjusting mechanism and a material scattering plate are arranged on the box body, the adjusting mechanism comprises an operation part, an adjusting plate and a main shaft, the main shaft penetrates through the box body and horizontally and transversely arranged at the discharge outlet, the material scattering plate is fixedly connected with the main shaft and extends out of the discharge outlet to form a material guiding structure, the material scattering plate is an arc-shaped panel with an arc opening facing outwards, one end of the adjusting plate is fixedly connected with one end of the main shaft, the other end of the adjusting plate is connected with the operation part, the feed inlet is communicated with the conveying pipe through an extension pipe, and the bottom surface of the box body is downwards inclined towards one end of the discharge outlet. The material spreading plate can be freely adjusted in a larger angle range, and through the inclined arrangement of the bottom plate, a material accumulation area is prevented from being formed between the bottom surface of the material spreading plate and the box body, so that the cleaning workload of operators is reduced.

Description

Adjustable material scattering box device

Technical Field

The utility model relates to the technical field of material scattering boxes, in particular to an adjustable material scattering box device.

Background

At present, most cement enterprises adopt a novel dry rotary kiln technology, the important component equipment is a cyclone preheater, and the cyclone preheater is mainly used in a high-temperature environment to fully perform gas-solid exchange reaction and complete the pre-decomposition of raw materials as much as possible. In the operation process, the materials enter the heat exchange air pipe, are dispersed and suspended in hot air of the heat exchange air pipe, and exchange heat with the materials at a very fast speed. Then, the airflow tangentially brings the materials into the cyclone separator for separation movement, the heat-exchanged gas rises to the upper stage flue pipe, and the heated materials enter the lower stage riser flue through the discharge hole. The heat exchange rate in the process is extremely high, and 80% of heat exchange is performed in the upper heat exchange air pipe. And after repeated heat exchange, the material is subjected to partial decomposition of calcium carbonate, and the calcium carbonate enters a decomposing furnace and a rotary kiln for calcination. Wherein the scattering box is a key device for ensuring the heat exchange effect in the preheater system, and the quality of the scattering box and the position thereof directly influences the heat exchange effect of the whole system.

When the angle of the spreading plate is fixed, operators cannot adjust the angle of the valve plate according to the actual condition of the site, and therefore the working efficiency of the spreading box cannot be improved. Even if the material spreading plate of part material spreading box can be rotationally adjusted, there is a material accumulation area between the bottom surface of the material spreading plate and the box body, and the material spreading plate is difficult to adjust after accumulating certain materials or can not rotate, and the material spreading plate needs to be cleaned regularly, which wastes time and labor. In addition, the height of the blanking pipe is short, so that the impact potential energy of materials is insufficient, the materials cannot be well scattered on the spreading plate, the dispersing effect is poor, and the heat exchange effect is also poor.

Disclosure of Invention

The utility model provides an adjustable material scattering box device for solving the technical problems.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a spill workbin device with adjustable, includes the box, the box include with the feed inlet of conveying pipeline intercommunication and with the discharge gate of heat transfer tuber pipe intercommunication, be provided with adjustment mechanism and broadcast flitch on the box, adjustment mechanism includes operating portion, regulating plate and main shaft, the main shaft runs through box and level and transversely locates in the discharge gate, broadcast flitch and main shaft rigid coupling and stretch out the discharge gate and form the guide structure, it is arc panel outwards to broadcast the flitch, the one end of regulating plate and the one end fixed connection of main shaft, the other end of regulating plate with the operating portion is connected, connect through the extension pipe between feed inlet and the conveying pipeline, the bottom surface of box sets up towards discharge gate one end downward sloping.

Further, the operation portion comprises a hand wheel, a screw rod, a pull rod and a limiting portion, the hand wheel is in threaded connection with one end of the pull rod through the screw rod, the other end of the pull rod is hinged to the free end of the adjusting plate, the limiting portion is mounted on the outer side wall of the box body, and the screw rod penetrates through a reserved through hole in the limiting portion to form a horizontal structure with the pull rod.

Furthermore, the outer side wall of the box body corresponding to the free end of the adjusting plate is further provided with a scale, and the rotation amplitude of the adjusting plate is 5-20 degrees.

Further, the top surface of the spreading plate is provided with a plurality of separation plates at intervals along the direction of the central axis, and a diversion trench is formed between any two adjacent separation plates.

Further, the division plate and the spreading plate are integrally formed, the lower end of the diversion trench is provided with at least one row of airflow holes penetrating through the surface of the division plate, and the airflow holes are arranged along the circular arc direction.

Further, the spreading plate comprises a first plate body and a second plate body which are integrally formed, the first plate body is of a rectangular structure, the partition plates on the first plate body are arranged in parallel, the second plate body is of a fan-shaped structure, and the partition plates on the second plate body are arranged in a scattering mode.

Further, the conveying pipe is connected with the extension pipe and the extension pipe is connected with the feed inlet through flanges respectively.

Further, the side wall of the box body opposite to the discharge hole is also provided with a material cleaning hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the adjusting mechanism and the spreading plate connected with the adjusting mechanism are arranged on the box body, so that the spreading plate can be freely adjusted in a larger angle range, the flushing and spreading effects of materials are more suitable for the current kiln running state, the heat exchange efficiency of the materials is ensured, the decomposition rate of raw materials is improved, and the angle of the valve plate is adjusted according to the actual condition of the site, so that the working efficiency of the spreading box is improved;

2. according to the utility model, through the inclined arrangement of the bottom plate, a material accumulation area is prevented from being formed between the bottom surface of the material spreading plate and the box body, so that the material spreading plate is prevented from being blocked and limited, and the cleaning workload of operators is reduced;

3. according to the utility model, the extension pipe is arranged to connect the feed inlet and the feed delivery pipe, so that the height of the feed delivery pipe is increased, the enough impact potential energy of materials is ensured, the materials can be well scattered on the spreading plate, the dispersion effect is improved, and the heat exchange effect is also ensured;

4. according to the utility model, through the structural arrangement of the spreading plate, the raw materials entering the furnace are dispersed more uniformly, so that the heat exchange efficiency is improved, the decomposition rate of the raw materials is ensured, and the risk of material collapse of the system can be effectively avoided.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic plan perspective principle view of the present utility model;

FIG. 3 is a schematic view of a partial structure of a spreader plate;

the attached drawings are identified: 1-box, 2-feed inlet, 3-broadcast flitch, 301-division board, 302-air current hole, 303-first plate body, 304-second plate body, 4-regulating plate, 5-main shaft, 6-hand wheel, 7-screw rod, 8-pull rod, 9-spacing portion, 10-scale, 11-clear material hole, 12-conveying pipeline, 13-heat exchange tuber pipe, 14-extension pipe.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Example 1

As shown in fig. 1, 2 and 3, the adjustable material spreading box device disclosed by the utility model comprises a box body 1, wherein the box body 1 comprises a feed inlet 2 communicated with a material conveying pipe 12 and a discharge outlet communicated with a heat exchange air pipe 13, an adjusting mechanism and a material spreading plate 3 are arranged on the box body 1, the adjusting mechanism comprises an operation part, an adjusting plate 4 and a main shaft 5, the main shaft 5 penetrates through the box body 1 and horizontally and transversely arranged at the discharge outlet, the material spreading plate 3 is fixedly connected with the main shaft 5 and extends out of the discharge outlet to form a material guiding structure, the material spreading plate 3 is an arc-shaped panel with an outward arc opening, one end of the adjusting plate 4 is fixedly connected with one end of the main shaft 5, the other end of the adjusting plate 4 is connected with the operation part, the feed inlet 2 is communicated with the material conveying pipe 12 through an extension pipe 14, and the bottom surface of the box body 1 is downwards inclined towards one end of the discharge outlet.

Specifically, the feed inlet 2 is arranged in an upward inclined manner, so that good gravitational potential energy is guaranteed after materials enter the box body 1, and the materials have a certain impact process on the material spreading plate 3, so that the material spreading effect is guaranteed. After entering the feed inlet through the material conveying pipe 12, the material impacts the material spreading plate 3 to be scattered and dispersed, and enters the heat exchange air pipe 13 along with the material guiding direction of the material spreading plate 3 to perform a heat exchange process. The main shaft 5 is arranged in the middle of the lower end of the box body 1, forms an adjustable guide structure with the spreading plate 3, passes through the extending part of the box body 1 and is fixedly connected with the adjusting plate 4, the adjusting plate 4 extends upwards vertically parallel to the outer side wall of the box body 1, and controls the main shaft 5 through the operation part so as to control the spreading plate 3. There is certain space between the bottom surface of the spreading plate 3 and the box 1, a material accumulation area is easy to form, the spreading plate 3 can only be adjusted upwards and not can be adjusted downwards after material accumulation, and after the material accumulation is gradually increased, the spreading plate 3 can be blocked and limited, and the bottom surface of the obliquely arranged box 1 can enable materials to slide into the heat exchange air pipe 13 under the action of gravity, so that the spreading plate 3 can be flexibly adjusted at any time.

The operation part comprises a hand wheel 6, a screw rod 7, a pull rod 8 and a limiting part 9, wherein the hand wheel 6 is in threaded connection with one end of the pull rod 8 through the screw rod 7, the other end of the pull rod 8 is hinged with the free end of the adjusting plate 4, the limiting part 9 is arranged on the outer side wall of the box body 1, and the screw rod 7 passes through a through hole reserved in the limiting part 9 to form a horizontal structure with the pull rod 8. Specifically, a limiting block is further disposed on the left and right sides of the limiting portion 9 on the screw 7, and the limiting block can limit left and right movement of the screw 7. The operating personnel rotates the hand wheel 6, and the hand wheel 6 drives the screw rod 7 to rotate, because the screw rod 7 can not produce the displacement about, but pull rod 8 is close to or keep away from at screw rod 7 rotatory in-process to pull rod 8 is articulated with regulating plate 4, and pull rod 8 can drive the free end of regulating plate 4 and control the swing. The left-right swing of the adjusting plate 4 brings the main shaft 5 to rotate within the range of 5-20 degrees, and the spreading plate 3 is fixed on the main shaft 5 and also rotates within the range of 5-20 degrees by taking the main shaft 5 as the circle center along with the main shaft 5. The existing adjustable spreading plate 3 is usually directly connected with the main shaft 5 by an adjusting rod to form a power arm for controlling the spreading plate 3. Because the spreader plate 3 is generally heavy, the operator is hard to turn, and accidents can occur if the force is insufficient. The operating part can be used for adjusting the spreading plate 3 by rotating the hand wheel 6, so that labor is saved, and accidents can be avoided.

The outer side wall of the box body 1 corresponding to the free end of the adjusting plate 4 is further provided with a scale 10, and the rotation amplitude of the adjusting plate 4 is 5-20 degrees. Through observing the existing material scattering box, the effective width of the material scattering box or the material scattering table is narrower, the material can not uniformly form a material curtain, even phenomena such as a material column appear, and the heat exchange effect is seriously affected. Preferably, multiple experimental observations show that the material spreading plate 3 deflects 5-20 degrees in the horizontal direction and has a good material spreading effect. The angle adjustment of the spreading plate 3 can be used for controlling the material conveying direction and the material flow, so that the material dispersing direction and the material flow rate can be conveniently changed by controlling the material flow direction. The screw rod 7 is driven by rotating the hand wheel 6, the pull rod 8 is pulled by the screw rod 7 to approach or depart from the adjusting plate 4 to swing left and right, the main shaft 5 is driven by the adjusting plate 4 to rotate within a range of 5-20 degrees, the spreading plate 3 is fixed on the main shaft 5 and can rotate within a range of 5-20 degrees with the main shaft 5 as a circle center, and therefore a better spreading effect is achieved.

The top surface of the spreading plate 3 is provided with a plurality of partition plates 301 along the direction of the central axis at intervals, and a diversion trench is formed between any two adjacent partition plates 301. Specifically, the diversion trench can guide the material to flow, and the guiding direction of the partition plate 301 is more in line with the track of the material flow, so that a better throwing effect can be achieved.

The partition plate 301 and the spreading plate 3 are integrally formed, the lower end of the diversion trench is provided with at least one row of air flow holes 302 penetrating through the surface of the partition plate 301, and the air flow holes 302 are arranged along the circular arc direction. Specifically, when the material passes through the diversion trench of the material spreading plate 3, the material is uniformly spread in advance, and when the material reaches the air flow hole 302 on the material spreading plate 3, the hot air of the heat exchange air pipe 13 blows the material through the air flow hole 302, the material is suspended to perform heat exchange in advance, and finally the material is uniformly spread out through the diffusion angle formed at the arc opening of the material spreading plate 3, preferably, the edge width of the diffusion angle is adjusted to 1.4 meters, so that the purpose of improving the material spreading effect can be achieved.

The spreading plate 3 comprises a first plate body 303 and a second plate body 304 which are integrally formed, the first plate body 303 is of a rectangular structure, the partition plates 301 on the first plate body 303 are arranged in parallel, the second plate body 304 is of a fan-shaped structure, and the partition plates 301 on the second plate body 304 are arranged in a scattering mode. Specifically, in order to further improve the material dispersing effect, the separation plates 301 on the first plate 303 are arranged in parallel, and the separation plates 301 on the second plate 304 are arranged in a scattering mode, so that material channels formed at intervals of the separation plates 301 are also in a scattering mode, the outer edges of the second plates are arc-shaped to better conform to the flow and dispersing rule of materials, and the materials are dispersed in a scattering mode in the downward impact process, so that the dispersing effect is better. Preferably, the first plate body 304 is provided with a plurality of screw holes, the main shaft 5 is fixedly connected with a rectangular plate surface with screw holes, the material spreading plate 3 is in threaded connection with the rectangular plate surface through screw holes, and the material spreading plate 3 can be driven to rotate up and down through the rotation of the main shaft 5, so that the length of the material spreading plate 3 extending into the heat exchange air pipe 13 can be adjusted according to actual requirements.

The material conveying pipe 12 is connected with the extension pipe 14 and the extension pipe 14 is connected with the feed inlet 2 through flanges. Specifically, the flanged connection may promote connection stability between the feed conveyor pipe 12, the extension tube 14 and the feed inlet 2. Preferably, the extension tube 14 has a square structure, and compared with the traditional cylindrical blanking structure, the material is distributed once before entering the box body 1, so that the material is effectively distributed and thrown in the process of passing through the box body 1. In addition, the conventional conveying pipe 12 has insufficient impact potential energy due to insufficient height, so that materials cannot be well scattered on the spreading plate 3, the dispersion effect is poor, and the heat exchange effect is also poor.

The side wall of the box body 1 opposite to the discharge hole is also provided with a material cleaning hole 11. Specifically, still be provided with the door plant that can open and shut on the clear material hole 11, clear material hole 11 can be used to trouble shooting and the effect of material mediation, makes things convenient for operating personnel in time to observe and inspect in the box 1, promotes fault handling speed, reduces the influence to production efficiency.

The embodiment provides a specific working principle of an adjustable material scattering box device.

The specific implementation principle flow is as follows:

the material enters the extension tube 14 through the material conveying pipe 12, and before the material enters the box body 1, the extension tube 14 can distribute the material once, so that the material is effectively distributed and thrown in the process of passing through the box body 1. Ensure enough impact potential energy and promote dispersion effect. Then the materials enter the feed inlet 2 and fall onto the material spreading plate 3, impact scattering and dispersing of the materials are achieved through the material spreading plate 3, and the materials enter the heat exchange air pipe 13 along with the material guiding direction of the material spreading plate 3, so that a heat exchange process is carried out. If the material does not fall on the spreading plate 3, the material can enter the heat exchange air pipe 13 through the bottom surface of the obliquely arranged box body 1. When the material passes through the diversion trench of the material spreading plate 3, the material is uniformly spread in advance, and when the material reaches the air flow hole 302 on the material spreading plate 3, the material is blown up by the hot air of the heat exchange air pipe 13 through the air flow hole 302, the material is suspended for heat exchange in advance, and finally the material is uniformly spread out through the diffusion angle formed at the arc opening of the material spreading plate 3. In the operation process, the materials enter the heat exchange air pipe 13, are dispersed and suspended in hot air of the heat exchange air pipe 13, and exchange heat with the materials at a very fast speed. Then, the airflow tangentially brings the materials into the cyclone separator for separation movement, the heat-exchanged gas rises to the upper stage flue pipe, and the heated materials enter the lower stage riser flue through the discharge hole. The heat exchange rate in the process is extremely high, and 80% of heat exchange is performed in the upper heat exchange air pipe. And after repeated heat exchange, the material is subjected to partial decomposition of calcium carbonate, and the calcium carbonate enters a decomposing furnace and a rotary kiln for calcination.

When needs are adjusted to the flitch 3, operating personnel rotate hand wheel 6 and drive screw rod 7 rotation, because the unable displacement that produces of screw rod 7 about, but pull rod 8 is close to or keep away from at screw rod 7 rotatory in-process to pull rod 8 is articulated with regulating plate 4, and pull rod 8 can drive the free end of regulating plate 4 and swing about. The left-right swing of the adjusting plate 4 brings the main shaft 5 to rotate within the range of 5-20 degrees, and the spreading plate 3 is fixed on the main shaft 5 and also rotates within the range of 5-20 degrees by taking the main shaft 5 as the circle center along with the main shaft 5.

There are, of course, many other embodiments of the utility model that can be made by those skilled in the art in light of the above teachings without departing from the spirit or essential scope thereof, but that such modifications and variations are to be considered within the scope of the appended claims.

Claims

1. The utility model provides a spill case device with adjustable, includes box (1), box (1) include with feed inlet (2) and the discharge gate of heat exchange tuber pipe (13) intercommunication of conveying pipeline (12) intercommunication, its characterized in that: be provided with adjustment mechanism and broadcast flitch (3) on box (1), adjustment mechanism includes operating portion, regulating plate (4) and main shaft (5), main shaft (5) run through box (1) and level and transversely are in discharge gate department, broadcast flitch (3) and main shaft (5) rigid coupling and stretch out the discharge gate and form the guide structure, it is arc panel outwards to broadcast flitch (3), the one end of regulating plate (4) and the one end fixed connection of main shaft (5), the other end of regulating plate (4) with the operating portion is connected, connect through extension pipe (14) between feed inlet (2) and conveying pipeline (12), the bottom surface of box (1) is towards discharge gate one end downward sloping setting.

2. An adjustable spreading box arrangement according to claim 1, wherein: the operation portion comprises a hand wheel (6), a screw rod (7), a pull rod (8) and a limiting portion (9), wherein the hand wheel (6) is in threaded connection with one end of the pull rod (8) through the screw rod (7), the other end of the pull rod (8) is hinged to the free end of the adjusting plate (4), the limiting portion (9) is mounted on the outer side wall of the box body (1), and the screw rod (7) penetrates through a reserved through hole in the limiting portion (9) to form a horizontal structure with the pull rod (8).

3. An adjustable spreading box arrangement according to claim 2, wherein: the outer side wall of the box body (1) corresponding to the free end of the adjusting plate (4) is further provided with a scale (10), and the rotation amplitude of the adjusting plate (4) is 5-20 degrees.

4. An adjustable spreading box arrangement according to claim 1, wherein: the top surface of the spreading plate (3) is provided with a plurality of separation plates (301) along the direction of the central axis at intervals, and a diversion trench is formed between any two adjacent separation plates (301).

5. An adjustable spreading box arrangement according to claim 4, wherein: the division plate (301) and the spreading plate (3) are integrally formed, the lower end of the diversion trench is provided with at least one row of airflow holes (302) penetrating through the surface of the division plate (301), and the airflow holes (302) are arranged along the circular arc direction.

6. An adjustable spreading box apparatus according to claim 5, wherein: the material spreading plate (3) comprises a first plate body (303) and a second plate body (304) which are integrally formed, the first plate body (303) is of a rectangular structure, the separation plates (301) on the first plate body (303) are arranged in parallel, the second plate body (304) is of a fan-shaped structure, and the separation plates (301) on the second plate body (304) are arranged in a scattering mode.

7. An adjustable spreading box arrangement according to claim 1, wherein: the material conveying pipe (12) and the extension pipe (14) and the material inlet (2) are respectively connected through flanges.

8. An adjustable spreading box arrangement according to claim 1, wherein: the side wall of the box body (1) opposite to the discharge hole is also provided with a material cleaning hole (11).