CN219111190U - Novel roasting flue gas particulate matter washs device - Google Patents

Abstract

The utility model discloses a novel roasting flue gas particulate matter washing device, which comprises a washing tower and a spraying device, wherein a partition for dividing the inside of the washing tower into a spraying cavity and a sedimentation cavity is arranged in the washing tower, the top parts of the spraying cavity and the sedimentation cavity are directly communicated, the bottom parts of the spraying cavity and the sedimentation cavity are communicated through a sewage pool for collecting sewage, a sewage outlet is communicated with the sewage pool and the bottom part of the partition is submerged in washing water, the spraying device is arranged in the spraying cavity and is used for filtering dust-containing flue gas entering the spraying cavity from a flue gas inlet communicated with the spraying cavity, and the filtered flue gas enters the sedimentation cavity from the top part of the partition and is discharged from a flue gas outlet communicated with the sedimentation cavity after being naturally precipitated; according to the utility model, through improving the washing tower, the partition and the partition plate are added in the washing tower, so that the washing tower and the circulating water tank are integrated, the occupied space for arranging the circulating water tank is saved, the spraying cavity and the sedimentation cavity which are mutually communicated are arranged in the washing tower, the height of the washing tower is reduced, a large-lift circulating pump is not needed, and the power resource is saved.

Description

Novel roasting flue gas particulate matter washs device

Technical field:

the utility model relates to the technical field of flue gas particulate matter removal, in particular to a novel roasting flue gas particulate matter washing device.

The background technology is as follows:

in order to reduce the dust content of the discharged fume, the dust-containing fume is treated to make the discharged fume reach the emission standard.

At present, the company uses a roasting flue gas washing device shown in figure 3, dust-containing flue gas enters a washing tower 1 through a pipeline 5, the air flow moves upwards along the tower body by utilizing the freshness principle of air after rain, the air flow passes through four layers of spray heads of a spray device A, the spray heads spray 150-170 degrees of fan-shaped water mist, the dust-containing air flow passes through an artificial rain mist area, large particle dust above 5 mu m of the dust-containing flue gas is trapped, dust-containing particles and sewage are trapped and discharged through a sewage outlet 4, and the filtered flue gas enters a next flue gas treatment system for treatment through a flue gas outlet 6. However, in the practical use process, the device has the following defects: 1. matching with a separate circulating water tank and a water circulating system; 2. the tower body is higher, generally about 15-20 m; 3. the pump body of the water circulation system needs to have large lift, and the power needed by the spray nozzle to open the water mist is large, so that the power resource waste is caused.

The utility model comprises the following steps:

in order to solve the technical problems, the utility model provides a novel roasting flue gas particulate matter washing device, which solves the problems that the existing roasting flue gas washing device needs a water circulation system which is matched with the existing roasting flue gas washing device singly and a large-lift pump body is needed to cause power resource waste.

In order to solve the technical problems, the utility model provides a technical scheme that: the utility model provides a novel calcination flue gas particulate matter washing device, includes scrubbing tower and spray set, spray set sets up in the scrubbing tower, filters the dust-laden flue gas that gets into from the flue gas entry through spray set spun fan-shaped water smoke, and the flue gas after the filtration is discharged from the flue gas export, and the washing water that filters the production is collected in spray set bottom to discharge characterized by through the sewage export: the washing tower is internally provided with a partition dividing the inside of the washing tower into a spray cavity and a precipitation cavity, the top parts of the spray cavity and the precipitation cavity are directly communicated, the bottoms of the spray cavity and the precipitation cavity are communicated through a sewage pool for collecting sewage, a sewage outlet is communicated with the sewage pool and enables the bottom of the partition to be submerged in washing water, the spray device is arranged in the spray cavity and is used for filtering dust-containing flue gas entering the spray cavity from a flue gas inlet communicated with the spray cavity, and filtered flue gas enters the precipitation cavity from the top of the partition and is discharged from a flue gas outlet communicated with the precipitation cavity after naturally precipitating.

Further, the sewage outlet is arranged at the bottom of the spraying cavity, and is communicated with the water inlet of the circulating pump, and the washing water in the sewage tank is pumped into the spraying device through the circulating pump to form washing water circulation.

Further, a partition board is arranged in the sewage tank, and the two partition boards divide the sewage tank into three sedimentation tanks which are communicated in sequence.

Further, the washing tower is of a rectangular structure.

The beneficial effects of the utility model are as follows:

1. this application is through improving the scrubbing tower, increase partition and baffle in the scrubbing tower, realize scrubbing tower and circulating water pond as an organic whole, practiced thrift the occupation of land space that sets up circulating water pond, there are spray cavity and sedimentation chamber of side by side and intercommunication each other in the scrubbing tower, the flue gas changes the direction when flowing by spray cavity to sedimentation chamber in the tower, reduce the scrubbing tower height, reduce the cost of manufacture of scrubbing tower among the prior art, scrubbing tower height reduces simultaneously, need not big lift circulating pump, adopt the pipeline pump just can, saved power resource.

2. The flue gas after this application filters when passing through the junction at spray cavity and sedimentation chamber top, because of the cross-sectional area diminish, the velocity of flow increases, and the cross-sectional area grow after getting into the sedimentation chamber, because the flue gas after filtering contains a large amount of steam, steam can adhere to in sedimentation chamber inner wall finally collects the effluent water sump of sedimentation chamber bottom, reduces the content of steam in the flue gas after filtering.

3. The application cuts off the bottom under the liquid level of the washing water in the sewage pool, prevents to spray the flue gas in the chamber and get into the sedimentation chamber through cutting off the bottom.

4. The sewage tank forms three communicated sedimentation tanks under the action of the two partition boards, so that particles are precipitated at the bottom of the sedimentation tanks, and the content of the particles in washing water pumped into the spraying device is reduced; the partition plate can be formed by pouring reinforced concrete.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments, as illustrated in the accompanying drawings.

Description of the drawings:

in order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only three of the utility models, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of the present application.

Fig. 2 is a left side view of the present application.

Fig. 3 is a schematic structural diagram of a roasting fume washing device currently used by the company.

In the figure, a 1-washing tower, a 2-partition, a 3-sewage tank, a 4-sewage outlet, a 5-smoke inlet, a 6-smoke outlet, a 7-circulating pump and an 8-partition plate; 11-spraying cavity and 12-settling cavity; a-spraying device.

The specific embodiment is as follows:

embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. While the utility model is susceptible of embodiment in the drawings, it is to be understood that the utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the utility model. It should be understood that the drawings and embodiments of the utility model are for illustration purposes only and are not intended to limit the scope of the present utility model.

It should be understood that the steps recited in the method embodiments of the present utility model may be performed in a different order. Furthermore, method embodiments may include additional steps omitting the execution of the illustrated steps. The scope of the utility model is not limited in this respect.

The names of messages or information interacted between the devices in the embodiments of the present utility model are for illustrative purposes only and are not intended to limit the scope of such messages or information.

Example 1

As shown in fig. 1-3, a novel roasting flue gas particulate matter washing device comprises a washing tower 1 and a spraying device A, wherein a partition 2 for dividing the interior of the washing tower 1 into a spraying cavity 11 and a sedimentation cavity 12 is arranged in the washing tower 1, the top parts of the spraying cavity 11 and the sedimentation cavity 12 are directly communicated, the bottom parts of the spraying cavity 11 and the sedimentation cavity 12 are communicated through a sewage pool 3 for collecting sewage, a sewage outlet 4 is communicated with the sewage pool 3 and submerges the bottom part of the partition 2 in washing water, the spraying device A is arranged in the spraying cavity 11 and is used for filtering dust-containing flue gas entering the spraying cavity 11 from a flue gas inlet 5 communicated with the spraying cavity 11, and the filtered flue gas enters the sedimentation cavity 12 from the top part of the partition 2 and is discharged from a flue gas outlet 6 communicated with the sedimentation cavity 12 after natural sedimentation; particulate matters in the flue gas are filtered by the washing water in the spray cavity 11, when the filtered flue gas passes through the joint of the spray cavity 11 and the top of the sedimentation cavity 12, the cross section area is enlarged after entering the sedimentation cavity 12 due to the fact that the cross section area is reduced and the flow speed is increased, and because the filtered flue gas contains a large amount of water vapor, the water vapor is attached to the inner wall of the sedimentation cavity 12 and finally collected in the sewage tank 3 at the bottom of the sedimentation cavity 12, and the content of the water vapor in the filtered flue gas is reduced; the bottom of the partition 2 is below the liquid level of the washing water in the sewage tank 3, so that the flue gas in the spraying cavity 11 is prevented from entering the sedimentation cavity 12 through the bottom of the partition 2.

In this embodiment, the sewage outlet 4 is disposed at the bottom of the spray cavity 11, and the sewage outlet 4 is communicated with the water inlet of the circulation pump 8, and the washing water in the sewage tank 3 is pumped into the spray device a by the circulation pump 8 to form a washing water circulation; by utilizing the sewage tank 3 in the washing tower 1, the sewage tank 3 is transformed into a circulating water tank under the cooperation of the partition plate 9, so that the washing tower 1 and the circulating water tank are integrated, and the occupied space of the circulating water tank which is independently arranged is saved; wherein the spraying device A is the same as the spraying device A in the prior art, when a circulating pump 8 pumps washing water, fan-shaped water mist is sprayed out by the spray device A through four layers of spray heads, so that dust-containing air flow passes through a rain and fog area, particles and dust in the dust-containing flue gas are trapped, and washing water for trapping dust-containing particles is collected to a sewage tank 3 at the lower part of a washing tower 1; the spray cavity 11 and the sedimentation cavity 12 which are communicated with each other side by side are arranged in the washing tower 1, and the direction of the flue gas is changed when the flue gas flows from the spray cavity 11 to the sedimentation cavity 12 in the tower, so that the height of the washing tower 1 is reduced, and the manufacturing cost of the washing tower 1 in the prior art is reduced.

In this embodiment, the washing tower 1 has a rectangular structure; under the same condition of length and width dimensions, square is bigger than circular area, and simultaneously, the washing tower 1 and the partition 2 can be formed by pouring reinforced concrete.

When the device is used, dust-containing flue gas enters the spray cavity 11 through the flue gas inlet 5, fan-shaped water mist sprayed by the spray device A filters the entering dust-containing flue gas, the filtered flue gas enters the precipitation cavity 12 and is discharged from the flue gas outlet 6, washing water generated by filtering is collected in the sewage tank 3 at the bottom of the washing tower 1, and under the action of the circulating pump 8, the washing water in the sewage tank 3 is discharged through the sewage outlet 4 and pumped into the spray device A.

Example two

As shown in fig. 1 and 2, the present embodiment is obtained by adding technical features such as a partition 9 on the basis of the first embodiment, and other technical features are the same as those of the first embodiment, and the same features are not described herein, wherein the difference between the present embodiment and the first embodiment is that: the sewage tank 3 is internally provided with a partition board 9, and the two partition boards 9 divide the sewage tank 3 into three sedimentation tanks which are communicated in sequence.

In the embodiment, the sewage tank 3 forms three communicated sedimentation tanks under the action of the two partition boards 9, so that particles are precipitated at the bottom of the sedimentation tanks, and the content of the particles in the washing water pumped into the spraying device A is reduced; the partition 9 may be cast from reinforced concrete.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (4)

1. The utility model provides a novel calcination flue gas particulate matter washing device, includes scrubbing tower and spray set, spray set sets up in the scrubbing tower, filters the dust-laden flue gas that gets into from the flue gas entry through spray set spun fan-shaped water smoke, and the flue gas after the filtration is discharged from the flue gas export, and the washing water that filters the production is collected in spray set bottom to discharge characterized by through the sewage export: the method is characterized in that: the washing tower is internally provided with a partition dividing the inside of the washing tower into a spray cavity and a precipitation cavity, the top parts of the spray cavity and the precipitation cavity are directly communicated, the bottoms of the spray cavity and the precipitation cavity are communicated through a sewage pool for collecting sewage, a sewage outlet is communicated with the sewage pool and enables the bottom of the partition to be submerged in washing water, the spray device is arranged in the spray cavity and is used for filtering dust-containing flue gas entering the spray cavity from a flue gas inlet communicated with the spray cavity, and filtered flue gas enters the precipitation cavity from the top of the partition and is discharged from a flue gas outlet communicated with the precipitation cavity after naturally precipitating.

2. The novel flue gas particulate washing device according to claim 1, wherein: the sewage outlet is arranged at the bottom of the spraying cavity, and is communicated with the water inlet of the circulating pump, and the washing water in the sewage pool is pumped into the spraying device through the circulating pump to form washing water circulation.

3. The novel flue gas particulate washing device according to claim 2, wherein: the sewage tank is internally provided with a baffle, and the two baffles divide the sewage tank into three sedimentation tanks which are communicated in sequence.

4. A novel flue gas particulate scrubbing apparatus as claimed in claim 3, wherein: the washing tower is of a rectangular structure.

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