Dust removal device for iron ore concentrate production

Abstract

The utility model provides a dust removal device for iron ore concentrate production, and aims to solve the technical problem that water vapor, dust and waste gas cannot be separated in time in the prior art. The dust removal device comprises a shell, one end of the shell is an inlet, a water vapor channel and a dust channel are arranged in the shell, and the shell is provided with a dust outlet, a liquid outlet and a gas outlet; the filter screen is arranged at the joint of the water vapor channel and the dust channel and covers the water vapor channel; the condensation assembly is arranged in the water vapor channel; the axial flow fan is arranged in the dust channel and located on the downstream of the condensation assembly. Wherein the water vapor channel is located above the dust channel, the liquid outlet and the gas outlet are both located on the water vapor channel, and the liquid outlet is located below the condensation assembly. The dust removal device has the advantage that water vapor, dust and waste gas can be separated in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to a production equipment of iron ore concentrate, specifically relates to a dust collector for iron ore concentrate production. BACKGROUND

[0002] Iron ore concentrate refers to the concentrate powder that natural ore is processed by crushing, grinding, beneficiation and other processing. The existing technology adopts bag dust collector to remove dust containing water generated in the production process of iron ore concentrate, which can easily cause problems such as condensation and "Hu bag" on the dust collector, fan and its dust removal pipeline.

[0003] The existing Chinese patent: a new type of iron ore concentrate drying machine dust removal equipment (application number: CN202323234626.2) adopts a dryer to dry the iron ore concentrate, and a dust removal pipeline to guide the waste gas containing water and dust into a wet type electric dust collector, a dust removal fan, a sewage purification device and other equipment for treatment.

[0004] Through the above technical scheme, when treating waste gas containing water and dust, the water vapor, dust and waste gas cannot be separated in time, which can easily cause dust deposition on the inner wall of the dust removal pipeline, and the waste gas containing water, which makes it difficult to clean the dust on the inner wall of the pipeline. UTILITY MODEL CONTENT

[0005] In view of the technical problem that the existing technology cannot separate water vapor, dust and waste gas in time, the utility model provides a dust removal device for iron ore concentrate production, which has the advantages of separating water vapor, dust and waste gas in time.

[0006] The technical scheme of the utility model is:

[0007] A dust removal device for iron ore concentrate production, comprising:

[0008] A shell with an inlet at one end, a water vapor channel and a dust channel in the shell, and a dust outlet, a liquid outlet and a gas outlet in the shell;

[0009] A filter screen is arranged at the connection between the water vapor channel and the dust channel, and covers the water vapor channel;

[0010] A condensing assembly is arranged in the water vapor channel;

[0011] An axial flow fan is arranged in the dust channel and located downstream of the condensing assembly;

[0012] Wherein, the water vapor channel is located above the dust channel, the liquid outlet and the gas outlet are located on the water vapor channel, and the liquid outlet is located below the condensing assembly.

[0013] Optionally, an S-shaped bend pipe is installed on the liquid outlet.

[0014] Optionally, the condensing assembly comprises a set of heat exchange pipes, and a condensing medium flows through the heat exchange pipes.

[0015] Optionally, the device further comprises:

[0016] A heating assembly is arranged in the water vapor channel and is close to the filter screen.

[0017] Optionally, the heating assembly comprises an electric heating wire arranged on the filter screen, and a gap exists between the electric heating wire and the filter screen.

[0018] Optionally, the device further comprises:

[0019] A dust falling assembly is arranged in the dust channel, and a movable end of the dust falling assembly is in contact with the filter screen, and the movable end is movable in a length direction of the filter screen.

[0020] Optionally, the dust falling assembly comprises:

[0021] A scraper is slidably connected to inner walls of the shell at two ends, a top of the scraper is in sliding contact with the filter screen, and a threaded hole is arranged at each of the two ends of the scraper.

[0022] Two screw rods are matched with the threaded holes at the two ends of the scraper, respectively.

[0023] Two motors are arranged on the inner walls of the shell, and output shafts of the two motors are connected to end portions of the two screw rods, respectively.

[0024] Optionally, the water vapor channel is provided with a funnel-shaped flow guide portion, and the liquid outlet is located at a bottom of the flow guide portion.

[0025] Optionally, the dust outlet is provided with an inclined guide plate, and the dust outlet is located at a bottom of the guide plate.

[0026] Optionally, a cover plate that can be opened and closed is arranged on the dust outlet.

[0027] Compared with the prior art, the device has the following beneficial effects:

[0028] The shell is designed, the inlet of the shell is communicated with the outlet of the discharged water vapor, dust and waste gas, then the filter screen arranged in the shell is used to separate the water vapor, waste gas and dust, so that the water vapor and waste gas can only enter the upper water vapor channel, and the dust can only enter the lower dust channel, and the dust is deposited at the bottom of the dust channel.

[0029] The water vapor entering the upper layer is condensed into liquid under the action of the condensing assembly, and is discharged through a liquid outlet below the condensing assembly, and the waste gas is discharged from a gas outlet under the driving of the axial flow fan.

[0030] Through the technical scheme, the water vapor, dust and waste gas are simply and effectively classified, the subsequent treatment is facilitated, and the problem of dust condensation on the inner wall of the shell is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0032] Figure 1 It is an internal structure schematic view of the utility model;

[0033] Figure 2 It is an internal three-dimensional structure schematic view of the utility model. DETAILED DESCRIPTION

[0034] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0036] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For the sake of simplicity, the description below of the specific examples will not be exhaustive of the application. Indeed, the application will be described with additional specificity and detail to convey the requisite technical disclosure to one of ordinary skill in the art, such that one of ordinary skill in the art, upon inspecting the following disclosure, will be able to implement various similar embodiments and / or uses of the application. In addition, one of ordinary skill in the art will be able to draw analogies between the various embodiments and applications described herein, and apply the teachings in the art to analogous circumstances.

[0037] The embodiments of the present application will be described in detail below with reference to the drawings.

[0038] Embodiment:

[0039] Referring to Figure 1 and Figure 2 , the embodiment discloses a dust removal device for iron ore concentrate production, which comprises a shell 10, a filter screen 20, a condensing assembly and an axial flow fan 40. Specifically, one end of the shell 10 is provided with an inlet 11, and a water vapor passage 12 and a dust passage 13 are arranged inside the shell 10. A gas outlet 14, a liquid outlet 15 and a dust outlet 16 are arranged on the shell 10, wherein the gas outlet 14 and the liquid outlet 15 are both located on the water vapor passage 12, the gas outlet 14 is arranged on the end of the shell 10 away from the inlet 11, the liquid outlet 15 is close to the gas outlet 14, and the liquid outlet 15 is located at the bottom of the water vapor passage 12. The dust outlet 16 is located on the end of the dust passage 13 away from the inlet 11.

[0040] A partition plate 17 is arranged inside the shell 10, the upper part of the partition plate 17 is the water vapor passage 12, and the lower part is the dust passage 13.

[0041] The filter screen 20 is arranged in the shell 10, and the filter screen 20 is arranged at the communication position of the dust passage 13 and the water vapor passage 12, and the filter screen 20 completely covers the water vapor passage 12.

[0042] The condensing assembly and the axial flow fan 40 are both arranged in the water vapor passage 12, wherein the condensing assembly is located upstream of the axial flow fan 40. It should be understood here that the upstream refers to the upstream and downstream formed by the flow direction of the gas in the water vapor passage 12.

[0043] In addition, the liquid outlet 15 is located directly below the condensing assembly, so that the liquid generated by condensation can completely drop into the liquid outlet 15.

[0044] In the embodiment, the shell 10 is designed, and the inlet 11 of the shell 10 is communicated with the outlet of the discharged water vapor, dust and waste gas, and then the water vapor, waste gas and dust are separated by the filter screen 20 designed in the shell 10, so that the water vapor and waste gas can only enter the upper water vapor channel 12, and the dust can only enter the lower dust channel 13, and the dust is deposited at the bottom of the dust channel 13.

[0045] The water vapor entering the upper layer is condensed into liquid under the action of the condensing assembly, and is discharged through the liquid outlet 15 below the condensing assembly, and the waste gas is discharged from the gas outlet 14 under the driving of the axial flow fan 40.

[0046] Through the technical scheme, the water vapor, dust and waste gas are simply and effectively classified, which is beneficial to subsequent processing, and the problem of dust condensation on the inner wall of the shell 10 is avoided.

[0047] In one specific embodiment:

[0048] An S-shaped elbow pipe 18 is installed on the liquid outlet 15, and by storing the condensed liquid in the elbow pipe 18 or storing a certain amount of liquid in the elbow pipe 18 before the dust removal device starts to work, the waste gas separated from the water vapor can be prevented from escaping from the liquid outlet 15.

[0049] Preferably, a funnel-shaped flow guide 18 can be installed on the liquid outlet 15, the bottom of the flow guide 18 forms the liquid outlet 15, and the end of the elbow pipe 18 is connected to the bottom of the flow guide 18, so that the condensed liquid can be prevented from spreading everywhere in the water vapor channel 12.

[0050] In another specific embodiment:

[0051] The above-mentioned condensing assembly includes a group of heat exchange pipes 31, all the heat exchange pipes 31 are connected to a heat exchanger, and by making the heat exchange pipes 31 flow through a condensing medium (such as water, etc.), the water vapor in the water vapor channel 12 is condensed.

[0052] In another specific embodiment:

[0053] The dust removal device further includes a heating assembly, which is arranged in the water vapor channel 12 and close to the filter screen 20. The heating assembly is arranged mainly for heating the filter screen 20, so that the water in the water vapor can be prevented from condensing on the filter screen 20, causing liquid to accumulate in the dust channel 13.

[0054] Specifically, the heating assembly includes an electric heating wire 50 laid on the filter screen 20, and there is a gap between the electric heating wire 50 and the filter screen 20. In the embodiment, the temperature of the filter screen 20 is affected by the heat generated by the electric heating wire 50.

[0055] In another specific embodiment,

[0056] The dust removal device further comprises a dust falling assembly, wherein the dust falling assembly is arranged in the dust channel 13, and a movable end of the dust falling assembly is in contact with the filter screen 20 and reciprocally moves along the length direction of the filter screen 20, and the dust falling assembly can scrape the dust attached to the filter screen 20.

[0057] Specifically, the dust falling assembly comprises a scraper 61, a screw rod 62 and a motor 63, the scraper 61 is in the shape of a long strip, two ends of the scraper 61 are respectively slidably connected to the two sides of the inner wall of the shell 10, and a threaded hole is arranged on each of the two ends of the scraper 61, one screw rod 62 is respectively matched with each of the two threaded holes, one end of each of the two screw rods 62 is provided with one motor 63, the output shaft of the motor 63 is coaxially connected with the end of the screw rod 62, the motor 63 is fixedly arranged on the two sides of the inner wall of the shell 10, and the motor 63 is located downstream relative to the filter screen 20.

[0058] In the embodiment, the motor 63 drives the screw rod 62 to rotate, thereby driving the scraper 61 to move along the length direction of the filter screen 20, and by designing a limit switch at the two ends of the filter screen 20, the forward and reverse rotation of the motor 63 can be controlled, thereby making the scraper 61 reciprocally move.

[0059] In another specific embodiment,

[0060] The dust outlet 16 is provided with a guide plate 19 with an inclined structure, and the dust outlet 16 is located at the bottom of the guide plate 19, and by designing the guide plate 19, the dust can be guided to move to the dust outlet 16.

[0061] In another specific embodiment,

[0062] A cover plate 70 that can be opened and closed is mounted on the dust outlet 16, and by designing the cover plate 70, the dust outlet 16 can be closed, thereby avoiding the escape of water vapor from the dust outlet 16 and avoiding the problem of dust raising.

[0063] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

Claims

1. A dust removal device for iron concentrate production, characterized in that, include: The shell has an inlet at one end, a water vapor channel and a dust channel inside the shell, and a dust outlet, a liquid outlet and a gas outlet. A filter screen is provided at the connection between the water vapor channel and the dust channel, and covers the water vapor channel; A condensation assembly is disposed within the water vapor channel; An axial flow fan is installed inside the dust channel and located downstream of the condensation assembly; The water vapor channel is located above the dust channel, the liquid outlet and the gas outlet are both located on the water vapor channel, and the liquid outlet is located below the condensation component.

2. The dust removal device for iron concentrate production according to claim 1, characterized in that, An S-shaped bend is installed on the liquid outlet.

3. The dust removal device for iron concentrate production according to claim 1, characterized in that, The condensation assembly includes a set of heat exchange tubes, and a condensing medium flows through the heat exchange tubes.

4. The dust removal device for iron concentrate production according to claim 1, characterized in that, Also includes: The heating element is located within the water vapor channel and close to the filter screen.

5. The dust removal device for iron concentrate production according to claim 4, characterized in that, The heating assembly includes heating wires laid on the filter screen, with a gap between the heating wires and the filter screen.

6. The dust removal device for iron concentrate production according to claim 1, characterized in that, Also includes: A dust suppression component is disposed within the dust channel, with its movable end in contact with the filter screen. This movable end can reciprocate along the length of the filter screen.

7. The dust removal device for iron concentrate production according to claim 6, characterized in that, The dust suppression component includes: The scraper has two ends that are slidably connected to the inner wall of the housing, the top of the scraper is in slidable contact with the filter screen, and each end of the scraper is provided with a threaded hole. Two screws are respectively matched with the threaded holes at both ends of the scraper; Two motors, the output shafts of the two motors are respectively connected to the end of one screw, and the motors are fixedly mounted on the inner wall of the housing.

8. The dust removal device for iron concentrate production according to claim 1, characterized in that, The water vapor channel has a funnel-shaped guide section, and the liquid outlet is located at the bottom of the guide section.

9. The dust removal device for iron concentrate production according to claim 1, characterized in that, The dust outlet is provided with an inclined guide plate, and the dust outlet is located at the bottom of the guide plate.

10. The dust removal device for iron concentrate production according to claim 1, characterized in that, The dust outlet is equipped with an openable and closable cover.

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