Dust suppression device for slag bin

Abstract

The utility model relates to a slag bin dust suppression device which comprises a slag bin, a supporting frame, a slag discharging assembly and a negative pressure dust suppression assembly, the slag bin is fixedly connected with the supporting frame, a discharging port is formed in the bottom of the slag bin, one end of the slag discharging assembly is connected with the discharging port, and the negative pressure dust suppression assembly is arranged below the discharging port. Compared with the prior art, the double-shaft stirring machine and all pipelines and related equipment connected with the double-shaft stirring machine are detached, the slag discharging assembly in a direct discharging mode is arranged, the negative pressure dust suppression assembly is arranged, the loading and unloading mode is optimized, and the negative pressure dust suppression assembly generates negative pressure; therefore, dust is effectively adsorbed and prevented from diffusing in the process of discharging powder slag or ash particles, the surrounding curtain wraps the hopper of the slag conveying vehicle, the space for dust overflowing is reduced, the surrounding environment is protected, the device is simple in structure and efficient and rapid in dust suppression, water and electricity consumed when slag is discharged through a double-shaft stirrer originally can be saved, and a large number of resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a slagging technology field, concretely relates to a slag bin dust suppression device. BACKGROUND

[0002] In the industrial production process, especially when transporting powdery materials, controlling dust emission is very important. When the slag bin or powder bin is discharging ash and slag, the dust generated will pollute the surrounding environment and affect air quality. Suspended dust particles in the air can harm the respiratory system of workshop staff, and long-term exposure can cause occupational diseases. Dust is not only harmful to the human body, but also can cause wear and tear and blockage of production equipment, affecting equipment performance and service life. Dust can cause explosions under certain conditions, especially in enclosed spaces, so dust suppression is also an important measure to improve production safety. The current slagging system is mostly a double-shaft mixer combined with spraying to prevent ash and slag from diffusing during the slagging process. However, when the material is being stirred and sprayed at the same time, the effect of the atomized water capturing ash particles is not ideal. The uncaught ash particles will quickly disperse through the slagging port, polluting the surrounding work environment, and the dust suppression effect is poor. In addition, the double-shaft mixer, electric feeder, gasification fan, and other related equipment will also waste a large amount of electrical resources. SUMMARY

[0003] The technical problem to be solved by the utility model is how to effectively suppress dust while saving energy during the slagging process.

[0004] The technical solution for solving the above technical problem is as follows: a slag bin dust suppression device, comprising: a slag bin, a support frame, a slagging assembly, and a negative pressure dust suppression assembly. The slag bin and the support frame are fixedly connected. The slag bin has a discharge port at the bottom. One end of the slagging assembly is connected to the discharge port. The negative pressure dust suppression assembly is arranged below the discharge port.

[0005] The utility model has the advantages that compared with the prior art, the double-shaft mixer and all the pipelines and related equipment connected to the double-shaft mixer are removed, and a slagging assembly in a straight discharge mode is arranged. A negative pressure dust suppression assembly is arranged to generate negative pressure, thereby effectively absorbing dust during the discharge of powdery slag or ash particles to prevent the dust from spreading, protecting the surrounding environment. The device has a simple structure, is efficient and fast in dust suppression, and can save a large amount of resources.

[0006] Based on the above technical solution, the utility model can also be improved as follows.

[0007] Further, the slagging assembly is a plurality of, and the negative pressure dust suppression assembly is arranged between the plurality of slagging assemblies.

[0008] The beneficial effect of the further scheme is that: by setting multiple slag discharge assemblies and setting the dust suppression assembly between the multiple slag discharge assemblies, the dust is effectively suppressed while the slag is efficiently discharged.

[0009] Further, the slag discharge assembly comprises a slag discharge pipe and a first control valve, one end of the slag discharge pipe is connected with the discharge opening, and the first control valve is arranged in the middle section of the slag discharge pipe.

[0010] The beneficial effect of the further scheme is that: by setting the first control valve, the slag discharge pipe starts or stops discharging the slag powder or ash particles, and the operation is more convenient.

[0011] Further, the negative pressure dust suction assembly comprises a negative pressure dust suction pipe and a second control valve, the negative pressure dust suction pipe is located below the discharge opening, the second control valve is arranged in the middle section of the negative pressure dust suction pipe, and one end of the negative pressure dust suction pipe is connected with a negative pressure device.

[0012] The beneficial effect of the further scheme is that: by setting the second control valve, when discharging the slag powder or ash particles, the negative pressure dust suction pipe starts or stops adsorbing the dust in cooperation with the slag discharge pipe starting or stopping discharging the slag; and the negative pressure dust suction pipe is connected with the negative pressure device, so that the dust flying in the slag discharge process is effectively adsorbed by the negative pressure.

[0013] Further, the negative pressure dust suction pipe comprises a first dust suction section and a second straight section, one end of the first dust suction section is connected with one end of the second straight section through the second control valve, the negative pressure device is a negative pressure area of a flue, and the other end of the second straight section is connected with the negative pressure area of the flue.

[0014] The beneficial effect of the further scheme is that: the second straight section is connected with the negative pressure area of the flue, and the negative pressure area of the flue provides the negative pressure for adsorbing the dust, so that the first dust suction section can effectively and widely adsorb the dust, and the adsorbed dust is collected and directly enters the negative pressure area of the flue.

[0015] Further, the negative pressure dust suction pipe comprises a first dust suction section and a second straight section, one end of the first dust suction section is connected with one end of the second straight section through the second control valve, the negative pressure device is a dust suction fan, and the other end of the second straight section is connected with the dust suction fan.

[0016] The beneficial effect of the further scheme is that: the second straight section is connected with the dust suction fan, and the dust suction fan provides the negative pressure for adsorbing the dust, so that the first dust suction section can effectively and widely adsorb the dust, and the adsorbed dust is collected to a dust collecting barrel.

[0017] Further, the second straight section is in a cylindrical shape, and the diameter of the first dust suction section gradually increases from one end to the other end.

[0018] The beneficial effect of the further scheme is that the first dust suction section is arranged to gradually increase in diameter from one end to the other end, and the enlarged dust suction port can suck dust in a large area, thereby effectively suppressing dust.

[0019] Further, the support frame is provided with a cylindrical shroud at the lower end, and the length of the shroud is greater than the length of the slag discharge assembly.

[0020] The beneficial effect of the further scheme is that the shroud is arranged to block the dust flying when the slag or ash is discharged and prevent the dust from spreading, thereby protecting the surrounding environment.

[0021] Further, the bottom of the shroud is provided with a plurality of strip-shaped curtains.

[0022] The beneficial effect of the further scheme is that the strip-shaped curtains are arranged at the bottom of the shroud, so that when the slag or ash is discharged, the curtains can cover the surrounding of the car hopper of the slag conveying vehicle, thereby providing a better sealing environment and further preventing the dust from spreading and affecting the visibility of the workers, thereby protecting the surrounding working environment.

[0023] Further, the negative pressure dust suppression assembly is fixedly connected to the support frame through a connecting structure, or the negative pressure dust suppression assembly is fixedly connected to the slag discharge assembly through a connecting structure.

[0024] The beneficial effect of the further scheme is that the negative pressure dust suppression assembly is fixed through the connecting structure, so that when the slag or ash is discharged, the negative pressure dust suppression assembly can stably and safely suck the flying dust. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 FIG. 1 is a structural schematic view of the slag bin dust suppression device of the present application;

[0026] Figure 2 FIG. 2 is a schematic view of the slag bin dust suppression device of the present application when discharging slag;

[0027] Figure 3 FIG. 3 is a structural schematic view of the first connecting plate and the second connecting plate of the slag bin dust suppression device of the present application;

[0028] Figure 4 FIG. 4 is another structural schematic view of the second connecting plate of the slag bin dust suppression device of the present application.

[0029] In the drawings, the components represented by the respective reference numerals are listed as follows:

[0030] 1, slag bin; 2, support frame; 3, slag discharge pipe; 4, first control valve; 5, negative pressure dust collection pipe; 6, second control valve; 7, surrounding mantle; 8, curtain; 9, slag conveying vehicle; 10, connecting structure; 11, first connecting plate; 12, second connecting plate; 13, first groove; 14, second groove; 15, third groove; 16, fourth groove. DETAILED DESCRIPTION

[0031] The principles and features of the present application are described below in conjunction with the accompanying drawings, which are only used to explain the present application and not intended to limit the scope of the present application.

[0032] As shown in Figures 1-2 The present embodiment provides a slag bin dust suppression device, comprising: a slag bin 1, a support frame 2, a slag discharge assembly and a negative pressure dust suppression assembly, the slag bin 1 and the support frame 2 are fixedly connected, the slag bin 1 is provided with a discharge port at the bottom, one end of the slag discharge assembly is connected with the discharge port, and the negative pressure dust suppression assembly is arranged below the discharge port.

[0033] Compared with the prior art, the double-shaft mixer and all the pipes and related equipment connected with the double-shaft mixer are removed, and the slag discharge assembly is arranged in a straight discharge mode, and the negative pressure dust suppression assembly is arranged, which generates negative pressure to effectively adsorb dust and prevent its diffusion during the process of discharging powder slag or ash particles, thereby protecting the surrounding environment. The device has a simple structure, efficient and fast dust suppression, and can save a lot of resources.

[0034] On the basis of the above technical scheme, the slag discharge assembly is a plurality of, and the negative pressure dust suppression assembly is arranged between the plurality of slag discharge assemblies.

[0035] By arranging a plurality of slag discharge assemblies and arranging the dust suppression assembly between the plurality of slag discharge assemblies, the dust is effectively adsorbed while the slag is efficiently discharged, thereby inhibiting the diffusion of dust.

[0036] On the basis of the above technical scheme, the slag discharge assembly comprises a slag discharge pipe 3 and a first control valve 4, one end of the slag discharge pipe 3 is connected with the discharge port, and the first control valve 4 is arranged in the middle section of the slag discharge pipe 3.

[0037] By arranging the first control valve 4, the slag discharge pipe 3 starts or stops discharging powder slag or ash particles, and the operation is more convenient.

[0038] Specifically, the first control valve 4 is an electric control valve, which comprises a first motor and a first valve body, the first motor is in transmission connection with the first valve body and controls the opening and closing of the first valve body.

[0039] On the basis of the above technical scheme, the negative pressure dust suppression assembly comprises a negative pressure dust suction pipe 5 and a second control valve 6, the negative pressure dust suction pipe 5 is located below the discharge port, the second control valve 6 is arranged in the middle section of the negative pressure dust suction pipe 5, and one end of the negative pressure dust suction pipe 5 is connected with a negative pressure device.

[0040] By arranging the second control valve 6, when the slag powder or ash particles are discharged, the second control valve 6 controls the negative pressure dust suction pipe 5 to start or stop adsorbing dust by cooperating with the starting or stopping of the slag discharge pipe 3; and the negative pressure dust suction pipe 5 is connected with the negative pressure device, so that the dust flying in the slag discharge process is effectively adsorbed by negative pressure.

[0041] Specifically, the second control valve 6 is an electric control valve, which comprises a second motor and a second valve body, the second motor is in transmission connection with the second valve body and controls the opening and closing of the second valve body.

[0042] On the basis of the above technical scheme, the negative pressure dust suction pipe 5 comprises a first dust suction section and a second straight section, one end of the first dust suction section is connected with one end of the second straight section through the second control valve 6, the negative pressure device is a negative pressure area of a flue, and the other end of the second straight section is connected with the negative pressure area of the flue.

[0043] The second straight section is connected with the negative pressure area of the flue, and the negative pressure area of the flue provides negative pressure for adsorbing dust, so that the first dust suction section can effectively and extensively adsorb dust, thereby collecting the adsorbed dust and directly entering the negative pressure area of the flue.

[0044] On the basis of the above technical scheme, the negative pressure dust suction pipe 5 comprises a first dust suction section and a second straight section, one end of the first dust suction section is connected with one end of the second straight section through the second control valve 6, the negative pressure device is a dust suction fan, and the other end of the second straight section is connected with the dust suction fan.

[0045] The second straight section is connected with the dust suction fan, and the dust suction fan provides negative pressure for adsorbing dust, so that the first dust suction section can effectively and extensively adsorb dust, thereby collecting the adsorbed dust to a dust collecting barrel.

[0046] On the basis of the above technical scheme, the second straight section is in a cylindrical shape, and the diameter of the first dust suction section gradually increases from one end to the other end.

[0047] The first dust suction section is arranged to have a diameter gradually increasing from one end to the other end, so that the enlarged dust suction port can extensively adsorb dust, thereby effectively suppressing dust.

[0048] On the basis of the above technical scheme, a cylindrical surrounding mantle 7 is arranged at the lower end of the support frame 2, and the length of the surrounding mantle 7 is greater than the length of the slag discharge assembly.

[0049] By setting the enclosure 7, the discharge assembly is shielded and the car hopper of the ash conveying vehicle 9 is wrapped, effectively reducing the distance between the outer edge of the car hopper and the enclosure 7, preventing the spread of dust flying during the discharge of powder ash or ash particles, and protecting the surrounding environment.

[0050] Specifically, the enclosure 7 is rectangular, circular or other cylindrical.

[0051] Specifically, the enclosure 7 is flame-retardant canvas.

[0052] Specifically, in the vertical direction, the bottom end of the enclosure 7 is lower than the bottom end of the discharge assembly.

[0053] By setting the bottom end of the enclosure 7 to be lower than the discharge assembly, the lower the bottom end of the enclosure 7 relative to the bottom end of the discharge assembly, the better the dust suppression effect.

[0054] On the basis of the above technical solution, the bottom of the enclosure 7 is provided with a plurality of strip-shaped curtains 8.

[0055] By setting a plurality of strip-shaped curtains 8 at the bottom of the enclosure 7, when discharging powder ash or ash particles, the curtains 8 can cover the periphery of the car hopper of the ash conveying vehicle 9, facilitating the close contact between the enclosure 7 and the car hopper, reducing the space gap of dust overflow, and thus providing a better sealing environment, further preventing dust from spreading and affecting the line of sight of the workers, thereby protecting the surrounding working environment.

[0056] On the basis of the above technical solution, the negative pressure dust suppression assembly is fixedly connected with the support frame 2 through the connecting structure 10; or the negative pressure dust suppression assembly is fixedly connected with the discharge assembly through the connecting structure 10.

[0057] By fixing the negative pressure dust suppression assembly through the connecting structure 10, when discharging powder ash or ash particles, the negative pressure dust suppression assembly can stably and safely adsorb flying dust.

[0058] Specifically, the connecting structure 10 includes a plurality of connecting plates, a plurality of bolts and a plurality of locking nuts.

[0059] In one specific example, as shown in Figure 3 The connecting structure 10 is provided with a first connecting plate 11 and a second connecting plate 12, a first recess 13 for placing the discharge assembly and a second recess 14 for placing the negative pressure dust suppression assembly are arranged on the first connecting plate 11, and a third recess 15 for placing the discharge assembly and a fourth recess 16 for placing the negative pressure dust suppression assembly are arranged on the second connecting plate 12. The discharge assembly and the negative pressure dust suppression assembly are respectively placed in the corresponding recesses of the first connecting plate 11 and the second connecting plate 12, and then the first connecting plate 11 and the second connecting plate 12 are locked by bolts and locking nuts to fix the negative pressure dust suppression assembly. As shown in Figure 4As shown, the second connecting plate 12 can also be multiple, and each second connecting plate 12 is provided with a groove corresponding to the residue discharging assembly or the negative pressure dust suppression assembly.

[0060] Optionally, the connecting structure 10 is a fixed part and a connecting rod, the fixed part is fixedly connected with the negative pressure dust suppression assembly, and the two ends of the connecting rod are fixedly connected with the fixed part and the support frame 2 respectively.

[0061] In one specific example, the diameter of the second straight section of the negative pressure dust suction pipe 5 is 219mm, the diameter of one end of the first dust suction section is 219mm, the diameter of the other end of the first dust suction section is 800mm, and the residue conveying vehicle 9 is a self-unloading closed residue conveying vehicle. When residue needs to be discharged, the residue conveying vehicle 9 is opened to the position below the residue discharging pipe 3, and the whole hopper of the residue conveying vehicle 9 is wrapped in the shroud 7, the residue discharging pipe 3 is 50mm away from the upper edge of the hopper of the residue conveying vehicle 9, at this time, the closed residue discharging environment is ready, the first control valve 4 is started to discharge the powder residue or ash particles, and the second control valve 6 is started to adsorb the flying dust. After the residue is discharged, the first control valve 4 is closed, and the second control valve 6 is closed in time to avoid waste of power of the negative pressure equipment caused by long-time operation of the negative pressure dust suction pipe 5, and finally, the residue conveying vehicle 9 transports the discharged powder residue or ash particles away.

[0062] The whole process is simple in operation, efficient and effective in suppressing the flying dust, and the surrounding environment is protected, and through optimization of the loading and unloading mode, water and electricity consumption in the original residue discharging process through the double-shaft agitator can be saved, a large amount of resources is saved, work efficiency is improved, and cost is reduced.

[0063] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as a limitation on the utility model.

[0064] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0065] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the specific meaning of above-mentioned terms in the utility model according to specific circumstances.

[0066] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can be the first and second features directly contact, or the first and second features indirectly contact through intermediate medium.Moreover, the first feature "over", "above" and "on" the second feature can be the first feature directly above or obliquely above the second feature, or just indicate that the first feature horizontal height is higher than the second feature.The first feature "under", "below" and "under" the second feature can be the first feature directly below or obliquely below the second feature, or just indicate that the first feature horizontal height is less than the second feature.

[0067] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.In addition, in the case of no contradiction, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples.

[0068] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled person in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.

Claims

1. A dust containment device for a slag bin, the device comprising: The application relates to a slag bin, a supporting frame, a slag discharging assembly and a negative pressure dust suppression assembly. The slag bin (1) and the supporting frame (2) are fixedly connected, the bottom of the slag bin (1) is provided with a discharge port, one end of the slag discharging assembly is connected with the discharge port, the negative pressure dust suppression assembly is arranged below the discharge port and on one side of the slag discharging assembly; the slag discharging assembly is multiple, the negative pressure dust suppression assembly is arranged between the multiple slag discharging assemblies; the negative pressure dust suppression assembly comprises a negative pressure dust suction pipe (5) and a second control valve (6), the negative pressure dust suction pipe (5) is located below the discharge port, the second control valve (6) is arranged in the middle section of the negative pressure dust suction pipe (5), and one end of the negative pressure dust suction pipe (5) is connected with a negative pressure device.

2. The device according to claim 1, characterized in that The slag discharging assembly comprises a slag discharging pipe (3) and a first control valve (4), one end of the slag discharging pipe (3) is connected with the discharge port, and the first control valve (4) is arranged in the middle section of the slag discharging pipe (3).

3. The dust containment device of claim 1, wherein, The negative pressure dust suction pipe (5) comprises a first dust suction section and a second straight section, one end of the first dust suction section is connected with one end of the second straight section through the second control valve (6), the negative pressure device is a negative pressure area of a flue, and the other end of the second straight section is connected with the negative pressure area of the flue.

4. The device of claim 1, wherein the dust suppression device is a slag bin dust suppression device. The negative pressure dust suction pipe (5) comprises a first dust suction section and a second straight section, one end of the first dust suction section is connected with one end of the second straight section through the second control valve (6), the negative pressure device is a dust suction fan, and the other end of the second straight section is connected with the dust suction fan.

5. A dust pocket device according to claim 3 or 4, wherein The second straight section is in a cylindrical shape, and the diameter of the first dust suction section gradually increases from one end to the other end.

6. The dust pocket device of any one of claims 1-4, wherein the dust pocket device is configured to be installed in a slag pocket of a slag bin. The lower end of the supporting frame (2) is provided with a cylindrical surrounding mantle (7), and the length of the surrounding mantle (7) is greater than that of the slag discharging assembly.

7. A dust containment device for a slag bin according to claim 6, wherein The bottom of the surrounding mantle (7) is provided with multiple strip-shaped blocking curtains (8).

8. The dust pocket device of any one of claims 1-4, wherein, The negative pressure dust suppression assembly is fixedly connected with the supporting frame (2) through a connecting structure (10); or the negative pressure dust suppression assembly is fixedly connected with the slag discharging assembly through the connecting structure (10).

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