CN216910058U - Circulating dust removal device of cylindrical mixer - Google Patents
Circulating dust removal device of cylindrical mixer Download PDFInfo
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- CN216910058U CN216910058U CN202220721632.7U CN202220721632U CN216910058U CN 216910058 U CN216910058 U CN 216910058U CN 202220721632 U CN202220721632 U CN 202220721632U CN 216910058 U CN216910058 U CN 216910058U
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Abstract
The utility model discloses a dust removal device of a cylindrical mixer, which comprises a dust collection pipeline, wherein a cylinder of the mixer is arranged in a left-high-right mode, a left end of the cylinder of the mixer is provided with a feed inlet sealing cover, the feed inlet sealing cover is provided with a feed inlet flange so as to be connected with a feeding belt sealing cover, the feed inlet sealing cover is communicated with the lower end of a feedback pipeline, the feedback pipeline is communicated with the left end of a connecting pipe, the right end of the connecting pipe is communicated with the upper end of the dust collection pipeline, the lower end of the dust collection pipeline is communicated with a discharge outlet sealing cover, the right side of the connecting pipe is higher than the discharge outlet end of the left side and is higher than the feed inlet end, the right section of the connecting pipe is fixedly provided with a plurality of atomizing nozzles I, the left part of the connecting pipe is communicated with the lower end of a dust removal tank, the upper end of the dust removal tank is fixedly connected with a demisting tank, the upper end of the dust removal tank is fixedly connected with a chimney, a smoke exhaust fan is fixed on the chimney, an axial flow fan is arranged in the connecting pipe, and dust is sprayed in the dust removal tank to flow back into the cylinder of the mixer, the dust-removing sewage is reused.
Description
Technical Field
The utility model discloses a dust removal device for a cylindrical mixer, and belongs to the field of environment-friendly equipment.
Background
The cylinder mixer is a common device for preparing raw materials of metallurgical enterprises, has the function of inputting different raw materials into a cylinder with rotary motion through an inlet end to stir and mix the raw materials uniformly, generally needs to add water into the mixed materials to granulate, and then discharges the mixed materials from an outlet end. At the inlet and the outlet, the material inlet end and the material outlet end have certain fall and material mixing movement, so that dust points are formed and the environment is polluted. The raised dust generated by the cylindrical mixer has the characteristics of containing iron ore powder, a small amount of lime powder and coal powder and high water content. Therefore, the traditional dry dedusting method has high moisture content of the raised dust, even has certain water vapor, and has low environmental temperature, so that the traditional dry dedusting method cannot be adopted due to unsatisfactory dedusting effect. The traditional wet dust removal mode is to intensively treat dust at each dust lifting point by an exhaust fan through a pipeline. There are water bath, spraying, cyclone, venturi and other methods. However, these methods of dust removal all have the following drawbacks: the process is complex, the equipment and facilities are multiple, equipment such as a large-air-volume exhaust fan, a dust catcher, a dehydrator, a sewage pump, a clean water tank, a sewage tank and the like are needed, the water consumption and the power consumption are high, and a large amount of sewage and sludge generated in the dust removal process needs to be reprocessed.
The dust collection device adopts an inverted U-shaped pipeline structure consisting of the dust collection pipeline, the connecting pipe and the feedback pipeline, the U-shaped pipeline is connected with the connecting sides of the parallel sides at the two sides, the connecting sides are higher at the right and lower at the left, dust is collected and reflowed into a cylinder of a mixer through the movement of the spraying and contraction section impeller, and the sprayed water also returns into the mixer, so that the dust collection is realized, and the dust collection sewage is reused; a dust purification branch is connected to the inverted U-shaped pipeline, a part of mixture of water mist and dust in the U-shaped pipeline is pumped away and purified through a smoke exhaust fan, negative pressure in the U-shaped pipeline and a mixer cylinder is guaranteed, and dust is prevented from leaking; during the blender drum was flowed back to the mixture of the water that the dust purification branch produced and dust, the compounding water pipe that current blendor compounding was used inserts entry end in the blender drum, the compounding water pipe of this application inserts in the blender drum through the feed inlet sealed cowling, current blendor delivery pipe with spray dust removal and pipeline wash with the water pipe, connect on the house steward at same water source, use the compounding pelletization water part even all be used for removing dust and flow back in the blender drum, the blender compounding water of this application is the same with current blendor water supply mode, need not change.
Disclosure of Invention
The utility model aims to: the utility model provides a drum blendor dust collector that blendor drum both ends are connected through dust collecting pipe and feedback pipeline respectively, connecting tube, and connecting tube set up towards drum blendor feed end step-down, connecting tube and spray dust removal and axial fan connecting pipe and still connect a dust purification branch, guarantee the dust and remove dust in the negative pressure pipeline.
The technical scheme of the utility model is realized as follows: a dust removal device of a cylindrical mixer comprises a dust collection pipeline 3, a dust removal tank 9 and a demisting tank 12, wherein a mixer cylinder 5 is arranged in a left-high-right mode, a feed inlet sealing cover 7 is arranged at the left end of the mixer cylinder 5, the feed inlet sealing cover 7 is rotatably and hermetically connected with the left end of the mixer cylinder 5, the feed inlet sealing cover 7 and a discharge outlet sealing cover 2 are both fixed on the field or on a mixer base, a feed inlet flange 6 is arranged on the feed inlet sealing cover 7, the upper part of the left end of the feed inlet sealing cover 7 is communicated and fixed with the lower end of a feedback pipeline 8, the feedback pipeline 8 is connected with the left end of a fixed connecting pipe 16, the right end of the connecting pipe 16 is fixed and communicated with the upper end of the dust collection pipeline 3, the lower end of the dust collection pipeline is communicated and fixed with the discharge outlet sealing cover 2, the connecting pipe 16 is arranged along the left-right direction, the right side is higher than the left side, the right end of the connecting pipe 16 is fixed with a plurality of atomizing nozzles I, the left part of the connecting pipe 16 is communicated and fixed with the lower end of the dust removal tank 9, the upper end of the dust removing tank 9 is fixedly connected with the lower end of a demisting tank 12, the dust removing tank 9 is provided with a second atomizing nozzle, the upper end of the demisting tank 12 is fixedly connected with a chimney 13, a smoke exhaust fan 14 is fixed on the chimney 13 and used for helping gas in the chimney 13 to be exhausted, and the upper end of the chimney 13 is communicated with the atmosphere;
the right end of the mixer cylinder 5 is provided with a discharge port sealing cover 2, the discharge port sealing cover 2 is in rotating and sealing connection with the right end of the mixer cylinder 5, and the lower end of the discharge port sealing cover 2 is connected with an outlet hopper 1;
an axial flow fan 15 is arranged between the first atomizing nozzle and the connection part of the dust removing tank 9 in the connecting pipe 16. The impeller is specially designed and manufactured, so that the air in the pipe can be driven to flow, the air-water mixing can be further promoted, the aim of fine dust removal is achieved, and one or more paths of flushing water are arranged on the pipe wall of the upper part of the impeller, so that the adhesion of the impeller after long-term operation is avoided.
Preferably, the first atomizing nozzle is connected with the spray header 4, the second atomizing nozzle is connected with the dust removal tank water supply pipe 11, the spray header 4 and the dust removal tank water supply pipe 11 are respectively connected with a water source through a pipeline, a first valve is arranged on the spray header 4 and the water source connection pipeline, and a second valve is arranged on the dust removal tank water supply pipe 11 and the water source connection pipeline.
Preferably, feed inlet sealed cowling 7 on connect compounding water pipe 17, when compounding water pipe 17 was used for the water yield of spray header 4, defogging jar 12, dust removal jar 9 along 8 refluxes of feedback pipeline is not enough blendor drums 5 to carry out the compounding, provided the supplementary water yield, compounding water pipe 17 passes through the tube coupling water source, and is provided with valve three on compounding water pipe 17 and the water source connecting pipeline.
Preferably, the dust removing tank 9 is a cyclone sheet type dust remover, three layers of cyclone sheet assemblies 10 are arranged in the dust removing tank 9, and a plurality of cyclone sheets of each layer of cyclone sheet assembly 10 are uniformly distributed along the circumferential direction of the dust removing tank 9.
Preferably, an exhaust valve 18 is arranged at the joint between the chimney 13 and the demisting tank 12.
Preferably, the dust removing device of the cylinder mixer further comprises a return bypass pipe 20, a purification tank 21 and a three-way valve 22, the return pipe 8 is divided into an upper section and a lower section, the upper section and the lower section are respectively connected with two interfaces of the three-way valve 22, the third interface of the three-way valve 22 is connected with the upper end of the return bypass pipe 20, the lower end of the return bypass pipe 20 is connected with the purification tank 21, when water needs to be added into the mixer cylinder 5 for mixing, the three-way valve 22 is controlled to enable the upper section of the return pipe 8 to be communicated with the lower section of the return pipe 8, the return bypass pipe 20 is disconnected, and when materials which do not need to be added with water are mixed, the three-way valve 22 is controlled to enable the upper section of the return pipe 8 to be communicated with the return bypass pipe 20, and the lower section of the return pipe 8 is disconnected.
Preferably, the motor of the smoke exhaust fan 14 is a speed regulating motor.
Preferably, the diameter of the connecting pipe 16 at the position of the axial flow fan 15 is smaller than the diameters of the other positions of the connecting pipe 16, the arc lower end of the connecting pipe 16 at the position of the axial flow fan 15 is flush with the arc lower end of the connecting pipe 16 with the larger diameter, and the spraying water volume of the first atomizing nozzle adjacent to the axial flow fan 15 on the connecting pipe 16 is larger than that of the other first atomizing nozzles, so as to improve the dust removal effect.
Preferably, the mixer cylinder 5 is provided with a rotation supporting structure and a rotation driving device, and the rotation supporting structure and the rotation driving device arranged on the mixer cylinder 5 are fixed on the field.
Preferably, the spray pipe 4 is connected to the water inlet end of the flushing pipe 19, the water outlet of the flushing pipe 19 extends into the upper end of the dust collecting pipe 3, and when the valve of the spray pipe 4 is opened for spraying and dedusting, the flushing pipe 19 simultaneously flushes the dust collecting pipe 3.
Preferably, the use method of the dust removal device of the cylindrical mixer comprises the following steps: the method comprises the following steps:
1. when the spray header 4, the water supply pipe 11 of the dust removal tank, the axial flow fan 15 and the smoke exhaust fan 14 are closed, if the dust generated in the mixing process of the cylindrical mixer is more than or equal to a set value, the following steps are carried out:
(1) controlling the spray water pipe 4 and the water supply pipe 11 of the dust removal tank to supply water, spraying the first atomizing nozzle and the second atomizing nozzle into the connecting pipe 16 and the dust removal tank 9 respectively, and starting the axial flow fan 15 and the smoke exhaust fan 14;
(2) the materials to be mixed enter the mixer cylinder 5 through the feed port flange 6, the materials move from the left end to the right end while being mixed along with the rotation of the mixer cylinder 5, the dust in the mixer cylinder 5 is sucked into the dust collecting pipeline 3 from the discharge port sealing cover 2, the dust is sprayed through the atomizing nozzle of the connecting pipe 16 after being sprayed and dedusted, the dust is sprayed through the axial flow fan 15, the generated solid-liquid mixture is re-fed into the mixer cylinder 5 along the connecting pipe 16 and the mixture of the suspended water mist and the dust along the feedback pipeline 8, in order to ensure that a certain negative pressure is generated in the mixer cylinder 5, the dust collecting pipeline 3, the connecting pipe 16 and the feedback pipeline 8 and prevent the dust from leaking, the opening degree of the exhaust valve 18 is adjusted or the rotating speed of the speed regulating motor of the exhaust fan 14 is adjusted to ensure that the dust in the mixer cylinder 5, the dust collecting pipeline 3 and the connecting pipe 16, The mixture of water mist and dust in the connecting pipe 16 is sucked into the dust removing tank 9 through the smoke exhaust fan 14 by the smoke exhaust fan 14 through the negative pressure generated in the feedback pipeline 8, the dust is removed through the atomizing nozzle secondary spraying and cyclone sheet component 10, the mixture is dewatered through the demisting tank 12 and discharged from the chimney 13 after dust removal, and the water removed from the demisting tank 12 and the water sprayed with dust in the dust removing tank 9 flow into the feedback pipeline 8 together with the dust and enter the mixer cylinder 5.
2. When the spray header 4, the water supply pipe 11 of the dust removal tank, the axial flow fan 15 and the smoke exhaust fan 14 are closed, if dust generated in the mixing process of the cylindrical mixer is less than a set value, the following steps are carried out:
(1) controlling a water supply pipe 11 of the dust removing tank to supply water, spraying the atomizing nozzle into the dust removing tank 9, and starting an axial flow fan 15 and a smoke exhaust fan 14;
(2) materials to be mixed enter a mixer cylinder 5 through a feed inlet flange 6, the materials move from the left end to the right end while being mixed along with the rotation of the mixer cylinder 5, dust in the mixer cylinder 5 is sucked into a dust collecting pipeline 3 from a discharge port sealing cover 2, negative pressure generated in the mixer cylinder 5, the dust collecting pipeline 3, a connecting pipe 16 and a feedback pipeline 8 is ensured by adjusting the opening degree of an exhaust valve 18 or the rotating speed of a speed regulating motor of a smoke exhaust fan 14 through an axial flow fan 15, the mixture of water mist and dust in the connecting pipe 16 is sucked into a dust removing tank 9 through the smoke exhaust fan 14 to be subjected to dust removal through an atomizing nozzle secondary spraying and sheet assembly 10, dehydration is performed through a demisting tank 12 and is discharged from a chimney 13 after dust removal, and water which is removed from the demisting tank 12 and is sprayed with dust in the dust removing tank 9 flows into the feedback pipeline 8 together with the dust, into the mixer drum 5.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, an inverted U-shaped pipeline structure is formed by adopting a dust collecting pipeline, a connecting pipe and a feedback pipeline, the connecting edge of the connecting two parallel edges of the U-shaped pipeline is higher at the right side and lower at the left side, and dust is refluxed into a cylinder of a mixer by spraying to provide mixing water supply for the mixer, so that not only is dust removal realized, but also dust removal sewage is reused; a dust purification branch is connected to the inverted U-shaped pipeline, a part of mixture of water mist and dust in the U-shaped pipeline is pumped away and purified through a smoke exhaust fan, negative pressure in the U-shaped pipeline and a mixer cylinder is guaranteed, and dust is prevented from leaking; if less dust is generated by the mixed materials, for example, less than 50mg/m, only the dust purification branch is opened for dust removal, namely, the spray header does not need to be filled with water, the rotating speeds of the smoke exhaust fan and the axial flow fan are reduced, and the method is water-saving, energy-saving and environment-friendly.
Drawings
FIG. 1 is a first schematic diagram of a dust removing device of a cylindrical mixer.
Fig. 2 is a structural schematic diagram of the flow dividing dust removing assembly.
FIG. 3 is a schematic diagram of the dust removing device of the cylindrical blender.
FIG. 4 is a third structural schematic diagram of a dust removing device of the cylindrical mixer.
FIG. 5 is a schematic structural diagram of an exhaust valve arranged between the demisting tank and the chimney.
Figure 6 is a schematic view of the spray header connection flush water pipe configuration.
FIG. 7 is a schematic structural view of a dust removing device of the cylindrical mixer, which is provided with a return bypass pipe.
Description of reference numerals: 1-outlet hopper, 2-discharge port sealing cover, 3-dust collecting pipeline, 4-spray water pipe, 5-mixer cylinder, 6-feed port flange, 7-feed port sealing cover, 8-feedback pipeline, 9-dust removing tank, 10-cyclone sheet component, 11-dust removing tank water supply pipe, 12-demisting tank, 13-chimney, 14-smoke exhaust fan, 15-axial flow fan, 16-connecting pipe, 17-mixing water pipe, 18-exhaust valve, 19-flushing water pipe, 20-reflux bypass pipe, 21-purification tank and 22-three-way valve.
Detailed Description
Referring to fig. 1-7, the utility model relates to a cylindrical mixer dust removal device, which comprises an outlet hopper 1, a discharge port sealing cover 2, a dust collection pipeline 3, a spray water pipe 4, a feed port flange 6, a feed port sealing cover 7, a feedback pipeline 8, a dust removal tank 9, a dust removal tank water supply pipe 11, a demisting tank 12, a chimney 13, a smoke exhaust fan 14, an axial flow fan 15, a connecting pipe 16, a mixing water pipe 17, an exhaust valve 18 and a flushing water pipe 19, wherein the vertical and horizontal directions of the cylindrical mixer are respectively defined by the vertical and horizontal directions of the attached drawing 1 so as to describe the cylindrical mixer, the cylindrical mixer is arranged in a left-high-right-low manner, the cylindrical mixer is provided with a rotation support structure and a rotation driving device, the left end of the cylindrical mixer 5 is provided with the feed port sealing cover 7, the feed port sealing cover 7 is rotatably and hermetically connected with the left end of the cylindrical mixer 5, and the rotation support structure arranged on the cylindrical mixer 5, The rotary driving device, the feed inlet sealing cover 7 and the discharge outlet sealing cover 2 are all fixed on the field, the feed inlet sealing cover 7 is provided with a feed inlet flange 6 for feeding materials to be mixed into a mixer cylinder 5 from the feed inlet flange 6, the upper part of the left end of the feed inlet sealing cover 7 is fixed with the lower end of a feedback pipeline 8, the feedback pipeline 8 is connected with the left end of a fixed connecting pipe 16, the right end of the connecting pipe 16 is fixed with the upper end of a dust collecting pipeline 3, the lower end of the dust collecting pipeline 3 is fixedly connected with the upper end of the discharge outlet sealing cover 2, the dust collecting pipeline 3 and the feedback pipeline 8 are communicated with the interior of the mixer cylinder 5, the connecting pipe 16 is arranged along the left-right direction, the right side is higher than the left side, the right end of the connecting pipe 16 is fixed with a plurality of first atomizing nozzles, the first atomizing nozzles are all connected with a spraying water pipe 4 for spraying and removing dust in the connecting pipe 16, the left part of the connecting pipe 16 is fixedly connected with the lower end of a dust removing tank 9 through a tee connecting pipe, the upper end of the dust removing tank 9 is fixedly connected with the lower end of a demisting tank 12, the upper end of the demisting tank 12 is fixedly connected with a chimney 13, a smoke exhaust fan 14 is fixed on the chimney 13 and used for helping gas in the chimney 13 to be exhausted, and the upper end of the chimney 13 is communicated with the atmosphere.
5 right-hand members of blendor drum be provided with discharge gate sealed cowling 2, discharge gate sealed cowling 2 rotates and sealing connection with 5 right-hand members of blendor drum, funnel-shaped export hopper 1 is connected to discharge gate sealed cowling 2 lower extreme, export hopper 1 is used for the ejection of compact of the material that has mixed.
An axial flow fan 15 is arranged in the connecting pipe 16 and between the first atomizing nozzle and the dust removal tank 9, and is used for providing power for dust in the dust collection pipeline 3 to flow towards the feedback pipeline 8, solid-liquid mixture generated after spraying by the spray header 4 flows from the right end to the left end along the connecting pipe 16, and simultaneously, the axial flow fan 15 throws water mist and dust suspension mixture generated after spraying by the spray header 4 onto the inner wall of the connecting pipe under the centrifugal force action of blades of the axial flow fan 15 and flows leftwards under the action of gravity.
An exhaust valve 18 is arranged at the joint between the chimney 13 and the demisting tank 12.
The inclination angle of the connecting pipe 16 to the horizontal direction is 5-8 degrees.
Feed inlet sealed cowling 7 on connect compounding water pipe 17, when the compounding is carried out at drum 5 to compounding water pipe 17, provide the compounding and use water.
The motor of the smoke exhaust fan 14 is a speed regulating motor and is used for regulating the air exhaust amount of the chimney 13.
The motor of the axial flow fan 15 is a speed-adjustable motor for adjusting the flow rate in the connecting pipe 16.
The diameter of the position of the connecting pipe 16 where the axial flow fan 15 is installed is smaller than the diameter of the other positions of the connecting pipe 16, the arc lower end of the connecting pipe 16 where the axial flow fan 15 is installed is flush with the arc lower end of the connecting pipe 16 connected with the connecting pipe, the diameter of the connecting pipe is increased, the water and dust mixture is prevented from being accumulated on the connecting pipe 16 where the axial flow fan 15 is installed, the dust removal effect is improved, the spraying water volume of the first atomizing nozzle adjacent to the axial flow fan 15 on the connecting pipe 16 is larger than that of the other first atomizing nozzles, and the dust removal effect is improved.
When mixing materials, if the spray header 4, the dust removal tank water supply pipe 11, the axial flow fan 15 and the smoke exhaust fan 14 are closed, if dust generated in the mixing process of the cylindrical mixer is more than or equal to a set value, for example, the set value is 50mg/m for cultivation, the following steps are carried out:
(1) controlling the spray water pipe 4 and the water supply pipe 11 of the dust removal tank to supply water, spraying the first atomizing nozzle and the second atomizing nozzle into the connecting pipe 16 and the dust removal tank 9 respectively, and starting the axial flow fan 15 and the smoke exhaust fan 14;
(2) the materials to be mixed enter the mixer cylinder 5 through the feed inlet flange 6, the materials are moved from the left end to the right end while being mixed along with the rotation of the mixer cylinder 5, the dust in the mixer cylinder 5 is sucked into the dust collecting pipeline 3 from the discharge port sealing cover 2, the dust collecting pipeline 3 is washed by the washing water pipe, the dust is sprayed and dedusted through the atomizing nozzle of the connecting pipe 16 by the axial flow fan 15, the generated solid-liquid mixture is re-fed into the mixer cylinder 5 along the connecting pipe 16 and the mixture of the suspended water mist and the dust along the feedback pipeline 8, and in order to ensure that certain negative pressure is generated in the mixer cylinder 5, the dust collecting pipeline 3, the connecting pipe 16 and the feedback pipeline 8 and prevent the dust from leaking, the opening degree of the exhaust valve 18 or the rotating speed of the speed regulating motor of the exhaust fan 14 is regulated, the situation that the materials in the mixer cylinder 5 are ensured, Negative pressure is generated in the dust collecting pipeline 3, the connecting pipe 16 and the feedback pipeline 8, a mixture of water mist and dust in the connecting pipe 16 is sucked into the dust removing tank 9 through the smoke exhaust fan 14 by the smoke exhaust fan 14, dust is removed through the atomizing nozzle secondary spraying and cyclone sheet assembly 10, dehydration is carried out through the demisting tank 12 after dust removal, the dehydration is carried out through the chimney 13, water which is removed from the demisting tank 12 and water which is sprayed with dust in the dust removing tank 9 flow into the feedback pipeline 8 together with the dust, and the water and the dust enter the mixer cylinder 5.
2. When closing spray header 4, dust removal jar delivery pipe 11, axial fan 15 and smoke exhaust fan 14, if the dust that produces in the drum blendor compounding process is less than the setting value, for example the setting value is 50mg/m when cultivating, then carry out following step:
(1) controlling a water supply pipe 11 of the dust removing tank to supply water, spraying the atomizing nozzle into the dust removing tank 9, and starting an axial flow fan 15 and a smoke exhaust fan 14;
(2) materials to be mixed enter a mixer cylinder 5 through a feed port flange 6, the materials move from the left end to the right end while being mixed along with the rotation of the mixer cylinder 5, dust in the mixer cylinder 5 is sucked into a dust collecting pipeline 3 from a discharge port sealing cover 2, negative pressure generated in the mixer cylinder 5, the dust collecting pipeline 3, a connecting pipe 16 and a feedback pipeline 8 is ensured by adjusting the opening of an exhaust valve 18 or adjusting the rotating speed of a speed adjusting motor of a smoke exhaust fan 14 through an axial flow fan 15, the smoke exhaust fan 14 sucks the mixture of water mist and dust in the connecting pipe 16 into a dust removing tank 9 through a smoke exhaust fan 14, dust is removed through a spraying nozzle two-spraying and sheet assembly 10, dehydration is carried out through a demisting tank 12 and is discharged from a chimney 13 after dust removal, and water sprayed from the demisting tank 12 and water sprayed with dust from the dust removing tank 9 flow into the feedback pipeline 8 together with the dust, into the blender drum 5.
The dust removing device of the cylindrical mixer further comprises a backflow bypass pipe 20, a purifying groove 21 and a three-way valve 22, wherein the feedback pipeline 8 is divided into an upper section and a lower section, the upper section and the lower section of the feedback pipeline 8 are respectively connected with two interfaces of the three-way valve 22, the third interface of the three-way valve 22 is connected with the upper end of the backflow bypass pipe 20, the lower end of the backflow bypass pipe 20 is connected with the purifying groove 21, when water is required to be added into the mixer cylinder 5 for mixing, the three-way valve 22 is controlled to enable the upper section of the feedback pipeline 8 to be communicated with the lower section of the feedback pipeline 8, the backflow bypass pipe 20 is disconnected, when materials which do not need to be added with water are mixed, the three-way valve 22 is controlled to enable the upper section of the feedback pipeline 8 to be communicated with the backflow bypass pipe 20, the lower section of the feedback pipeline 8 is disconnected, the mixture of water and dust after dust removal flows into the purifying groove 21 for precipitation purification, when the materials which are required to be added with water and mixed in the mixer cylinder 5 are mixed, the water in the purification tank 21 is pumped into the mixer cylinder 5.
Claims (9)
1. The utility model provides a circulation dust collector of drum blendor which characterized in that: comprises a dust collecting pipeline (3), a dust removing tank (9) and a demisting tank (12), wherein a mixer cylinder (5) is arranged in a left-high-right mode, a feed inlet sealing cover (7) is arranged at the left end of the mixer cylinder (5), the feed inlet sealing cover (7) is in rotating and sealing connection with the left end of the mixer cylinder (5), the feed inlet sealing cover (7) and a discharge outlet sealing cover (2) are both fixed on the field or fixed on a mixer base, a feed inlet flange (6) is arranged on the feed inlet sealing cover (7), the upper part of the left end of the feed inlet sealing cover (7) is communicated and fixed with the lower end of a feedback pipeline (8), the feedback pipeline (8) is connected with the left end of a fixed connecting pipe (16), the right end of the connecting pipe (16) is fixed and communicated with the upper end of the dust collecting pipeline (3), the lower end of the dust collecting pipeline is communicated and fixed with the discharge outlet sealing cover (2), and the connecting pipe (16) is arranged along the left-right direction, the right side of the dust collection tank is higher than the left side of the dust collection tank, a plurality of first atomizing nozzles are fixed at the right end of a connecting pipe (16), the left part of the connecting pipe (16) is communicated with and fixed at the lower end of a dust collection tank (9), the upper end of the dust collection tank (9) is fixedly connected with the lower end of a demisting tank (12), a second atomizing nozzle is arranged on the dust collection tank (9), a chimney (13) is fixedly connected at the upper end of the demisting tank (12), a smoke exhaust fan (14) is fixed on the chimney (13) and used for helping gas in the chimney (13) to be discharged, and the upper end of the chimney (13) is communicated with the atmosphere;
a discharge port sealing cover (2) is arranged at the right end of the mixer cylinder (5), the discharge port sealing cover (2) is rotatably and hermetically connected with the right end of the mixer cylinder (5), and the lower end of the discharge port sealing cover (2) is connected with an outlet hopper (1);
and an axial flow fan (15) is arranged between the first atomizing nozzle and the connecting part of the dust removing tank (9) in the connecting pipe (16).
2. The circulating dust removing device of a cylindrical mixer as claimed in claim 1, wherein: the first atomizing nozzle is connected with the spray pipe (4), the second atomizing nozzle is connected with the dust removal tank water supply pipe (11), the spray pipe (4) and the dust removal tank water supply pipe (11) are respectively connected with a water source through pipelines, a first valve is arranged on the spray pipe (4) and the water source connection pipeline, and a second valve is arranged on the dust removal tank water supply pipe (11) and the water source connection pipeline.
3. The circulating dust removing device of a cylindrical mixer as claimed in claim 2, wherein: feed inlet sealed cowling (7) on connect compounding water pipe (17), when compounding is carried out in compounding machine drum (5) in compounding water pipe (17), provide the compounding water, compounding water pipe (17) pass through the tube coupling water source, and be provided with valve three on compounding water pipe (17) and the water source connecting pipe.
4. The circulating dust removing device of a cylindrical mixer as claimed in claim 1, wherein: the dust removal tank (9) is a cyclone sheet type dust remover, three layers of cyclone sheet assemblies (10) are arranged in the dust removal tank (9), and a plurality of cyclone sheets of each layer of cyclone sheet assembly (10) are uniformly distributed along the circumferential direction of the dust removal tank (9).
5. The circulating dust removing apparatus of a cylindrical mixer according to any one of claims 1 to 4, wherein: an exhaust valve (18) is arranged at the joint between the chimney (13) and the demisting tank (12).
6. The circulating dust removing apparatus of a cylindrical mixer according to any one of claims 1 to 4, wherein: the material mixing device is characterized by further comprising a backflow bypass pipe (20), a purification tank (21) and a three-way valve (22), wherein the backflow pipeline (8) is divided into an upper section and a lower section, the upper section and the lower section of the backflow pipeline (8) are respectively connected with two interfaces of the three-way valve (22), the third interface of the three-way valve (22) is connected with the upper end of the backflow bypass pipe (20), the lower end of the backflow bypass pipe (20) is connected with the purification tank (21), when water is required to be added into the mixer cylinder (5) for mixing, the three-way valve (22) is controlled to enable the upper section of the backflow pipeline (8) to be communicated with the lower section of the backflow pipeline (8), the backflow bypass pipe (20) is disconnected, and when materials which do not need to be added with water are mixed, the three-way valve (22) is controlled to enable the upper section of the backflow pipeline (8) to be communicated with the backflow bypass pipe (20), and the lower section of the backflow pipeline (8) is disconnected.
7. The circulating dust removing apparatus of a cylindrical mixer according to any one of claims 1 to 4, wherein: the motors of the smoke exhaust fan (14) and the axial flow fan (15) are speed regulating motors.
8. A circulating dust removing apparatus of a cylinder mixer as claimed in any one of claims 1 to 4, wherein: the diameter of the connecting pipe (16) at the position of the axial flow fan (15) is smaller than the diameters of the other positions of the connecting pipe (16), and the spraying water volume of the first atomizing nozzle adjacent to the axial flow fan (15) on the connecting pipe (16) is larger than that of the other first atomizing nozzles.
9. The circulating dust removing device of a cylindrical mixer as claimed in claim 2, wherein: the spray header (4) is connected with the water inlet end of the flushing water pipe (19), the water outlet of the flushing water pipe (19) extends into the upper end of the dust collecting pipeline (3), and when the valve of the spray header (4) is opened for spraying and dedusting, the flushing water pipe (19) simultaneously flushes the dust collecting pipeline (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220721632.7U CN216910058U (en) | 2022-03-30 | 2022-03-30 | Circulating dust removal device of cylindrical mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220721632.7U CN216910058U (en) | 2022-03-30 | 2022-03-30 | Circulating dust removal device of cylindrical mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216910058U true CN216910058U (en) | 2022-07-08 |
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| CN202220721632.7U Active CN216910058U (en) | 2022-03-30 | 2022-03-30 | Circulating dust removal device of cylindrical mixer |
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| CN (1) | CN216910058U (en) |
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