CN218980903U

CN218980903U - Water curtain type dust removing device

Info

Publication number: CN218980903U
Application number: CN202223083087.2U
Authority: CN
Inventors: 朱松; 周青生
Original assignee: Guangzhou Songhe Environmental Protection Technology Co ltd
Current assignee: Guangzhou Songhe Environmental Protection Technology Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-05-09
Anticipated expiration: 2032-11-21

Abstract

The utility model provides a water curtain type dust collector, which comprises a box body, a water pump and a plurality of water curtain components, wherein a cavity is formed in the box body, the water curtain components are positioned in the cavity and fixedly connected with the box body, the water curtain components are arranged at intervals along the length direction of the box body and are staggered with each other, an S-shaped flue is formed in the cavity, the water pump is connected with the water curtain components, the water pump is used for supplying water to the water curtain components and enabling the water curtain components to generate a water curtain, two ends of the box body along the length direction of the box body are respectively provided with a smoke inlet and a smoke outlet, and the smoke inlet and the smoke outlet are communicated with the flue; the water curtain type dust removing device has the advantages of reasonable structure and simple and convenient use.

Description

Water curtain type dust removing device

Technical Field

The utility model belongs to the technical field of dust removing equipment, and particularly relates to a water curtain type dust removing device.

Background

Coal is one of the most abundant fossil fuels on earth and widely used in the most widely distributed areas, but coal generates a great amount of pollutants such as sulfur dioxide and dust-containing flue gas in the combustion process, and in order to reduce the influence of the pollutants on the atmospheric environment, equipment using coal as fuel, such as a boiler, is generally provided with a desulfurization and dust removal device, namely, the flue gas is desulfurized and dedusted. Further, in the dust removing device, there are three main types of dry dust removing, wet dust removing and electrostatic dust removing; the wet dust collector adopts more dust collecting modes, and has high dust collecting efficiency, simple equipment and low operation cost. The wet dust removal mainly comprises water mist dust removal, and the main working principle is that in equipment, liquid is used for carrying out back washing contact on flue gas in a spraying mode, and dust particles are adhered in the water drops and fall back into a water tank through the combination of the sprayed water drops and the dust particles, so that the dust particles in the gas are removed.

In the prior art, the wet dust collector has the problems of inconvenient use or large maintenance workload in the use process, such as a water bath spraying composite wet dust collector disclosed in Chinese patent application number 201920456868.0. In particular, this type of dust collector has the following drawbacks during use: (1) The water content of the treated gas is larger by spraying type water mist dust removal, the phenomenon of water drop easily occurs under the condition of high wind speed, and the smoke dust is influenced by the spraying overlapping rate, so that the smoke dust cannot fully or effectively contact with the water mist; furthermore, nozzles are arranged in the equipment, so that the pressure and the flow of each nozzle are difficult to be consistent, uneven spraying in the equipment is easy to be caused, and the dust removal effect is not satisfactory; (2) After long-time use, the spray nozzle is blocked by impurities, and has poor capability of resisting water quality interference; most of spray assemblies need to be used in combination with fillers, the fillers are easy to be bonded and blocked by dust particles, so that the porosity of the fillers is reduced, the wind resistance is increased, and the workload of repair or maintenance of equipment in the use process is increased, namely, the dust removal device is caused to have the technical problems of inconvenient use or larger maintenance workload.

Disclosure of Invention

Therefore, the utility model aims to provide the water curtain type dust removing device which is reasonable in structure and simple and convenient to use.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a cascade dust collector, its includes box, water pump and a plurality of cascade subassembly, be formed with the cavity in the box, the cascade subassembly be located in the cavity and with box fixed connection, the cascade subassembly is followed the length direction interval arrangement of box and dislocation each other form S-shaped flue in the cavity, the water pump with the cascade subassembly is connected, the water pump is used for supplying water to the cascade subassembly and makes the cascade subassembly produces the cascade, still be provided with respectively along its length direction' S both ends department on the box and advance the tobacco mouth and go out the tobacco mouth, advance the tobacco mouth with go out the tobacco mouth all with the flue is linked together.

As a further improvement of the water curtain type dust removing device, a gas distribution mechanism is further arranged between the water curtain assemblies adjacent to each other, the gas distribution mechanism is fixedly connected with the box body, and the gas distribution mechanism is used for enabling the passing smoke to form rotational flow.

As a further improvement of the water curtain type dust removing device, the air distribution mechanism comprises a baffle plate and a swirl blade, a through hole for the flue gas to pass through is formed in the baffle plate, the swirl blade is arranged in the through hole and is connected with the baffle plate, and the swirl blade is used for enabling the flue gas passing through to form swirl.

As a further improvement of the water curtain type dust removing device, the cyclone blade comprises a plurality of blade bodies, wherein the blade bodies take the axial lead of the through hole as a datum point and are arranged in a radial manner, and an included angle is formed between the blade bodies and the axial lead of the through hole.

As a further improvement of the water curtain type dust removing device, the included angle is 30-50 degrees.

As a further improvement of the water curtain type dust removing device, the water curtain component comprises a water storage box and an overflow port arranged at the top of the water storage box, a water storage cavity is arranged in the water storage box and is communicated with the overflow port, and the water storage cavity is communicated with the water pump.

As a further improvement of the water curtain type dust removing device, a partition plate is further arranged in the water storage box, the partition plate is fixedly connected with the water storage box and divides the water storage cavity into two independent chambers, each chamber is communicated with the water pump, and the height of the partition plate is larger than that of the overflow port.

As a further improvement of the water curtain type dust removing device, the water storage cavity is communicated with the water pump through a pipeline, and a valve is further arranged on the pipeline and used for adjusting water flow.

As a further improvement of the water curtain type dust removing device, an observation window is further arranged on the side wall of the box body.

As a further improvement of the water curtain type dust removing device, the bottom of the box body is further provided with at least one concave part, and the bottom of the concave part is further provided with a sewage outlet.

Compared with the prior art, the utility model has the following main beneficial effects: the plurality of water curtain components are arranged in the box body, and meanwhile, the water curtain components are arranged in the box body to form the S-shaped flue, wherein the S-shaped flue increases the stroke of the flue, and further, the flue gas passing through the flue can be in more full contact with the water curtain components; meanwhile, water is supplied to the water curtain component through the water pump to form a water curtain or a water curtain, so that dust particles in the flue gas can be adsorbed and captured by the water, namely dust removal is realized; furthermore, compared with the water mist in the prior art, the water curtain formed by the water curtain component is not easy to be influenced by the flow rate of the smoke, namely, the bead running phenomenon in the prior art is not easy to occur, so that the water curtain can be fully contacted with the smoke; secondly, compared with water mist, the water curtain is easier to realize, so that the situation that the water mist nozzle in the prior art is easily blocked by impurities after being used for a long time is avoided; and further effectively reduces the maintenance or repair workload of dust removal in the using process, namely, the convenience of using the dust removal device is improved.

Drawings

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intentionally drawn to scale on actual size or the like, with emphasis on illustrating the principles of the utility model.

FIG. 1 is a schematic diagram of the front view of a water curtain dust collector of the present utility model;

FIG. 2 is a schematic view of the structure of the water curtain dust collector in the rear view direction;

FIG. 3 is a schematic cross-sectional view of a water curtain type dust collector of the present utility model;

fig. 4 is a schematic structural view of the water curtain type dust removing device of the present utility model with part of the outer wall of the box body removed.

Detailed Description

The technical solutions of the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments so that those skilled in the art may better understand the present utility model and implement the same, but the illustrated embodiments are not limiting of the present utility model, and in this embodiment, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model, and do not indicate or imply that the referred devices or elements must have specific orientations, be configured and operated in specific orientations, and therefore should not be construed as limiting of the present utility model.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

As shown in fig. 1 to 4, the present embodiment provides a water curtain type dust removing device, which includes a case 1, a water pump 2 and a plurality of water curtain assemblies 3, wherein a cavity 4 is formed in the case 1, and the water curtain assemblies 3 are positioned in the cavity 4 and are fixed with the case 1 by welding or bolts. The water curtain component 3 is arranged at intervals along the length direction of the box body 1, adjacent water curtain components 3 are staggered with each other and form an S-shaped flue in the cavity 4, the water pump 2 is fixed with the box body 1 through bolts, the water pump 2 is connected with the water curtain component 3 through pipelines, the water pump 2 is used for supplying water to the water curtain component 3 and enabling the water curtain component 3 to generate a water curtain, the two ends of the box body 1 along the length direction are respectively provided with a smoke inlet 5 and a smoke outlet 6, the smoke inlet 5 and the smoke outlet 6 are communicated with the flue, namely, smoke containing dust particles enters from the smoke inlet 5, and the smoke after being dedusted by the water curtain component 3 is discharged from the smoke outlet 6. Specifically, a plurality of water curtain assemblies 3 are arranged in the box body 1, and meanwhile, the water curtain assemblies 3 are arranged in the box body 1 to form an S-shaped flue, wherein the S-shaped flue increases the stroke of the flue, so that the flue gas passing through the flue can be in more full contact with the water curtain assemblies 3; meanwhile, water is supplied to the water curtain component 3 through the water pump 2 to form a water curtain or a water curtain, so that dust particles in the flue gas can be adsorbed and captured by the water, namely dust removal is realized; further, compared with the water mist in the prior art, the water curtain formed by the water curtain assembly 3 is not easily influenced by the flow rate of the smoke, namely, the phenomenon of bead leakage is not easy to occur, so that the water curtain can be fully contacted with the smoke; secondly, compared with water mist, the water curtain is easier to realize, so that the situation that the water mist nozzle in the prior art is easily blocked by impurities after being used for a long time is avoided; and further effectively reduces the maintenance or repair workload of dust removal in the using process, namely, the convenience of using the dust removal device is improved.

As shown in fig. 4, in the preferred embodiment, a gas distribution mechanism is further disposed between the water curtain assemblies 3 adjacent to each other, and the gas distribution mechanism is welded or bolted to the case 1, and is used for forming a swirling flow of the flue gas passing through the flue. Further, the gas distribution mechanism comprises a baffle 7 and a swirl blade 8, a through hole for flue gas to pass through is formed in the baffle 7, the swirl blade 8 is arranged in the through hole, the through hole in the embodiment is a circular through hole, the swirl blade 8 and the baffle 7 are welded or bolted, and the swirl blade 8 is used for enabling the flue gas passing through to form swirl. Further, the swirl vane 8 includes a plurality of vane bodies 9, the vane bodies 9 are radially arranged with the axis of the through hole as a reference point, and the vane bodies 9 form an included angle of 30-50 degrees with the axis of the through hole, for example, the included angles are 33, 35, 37, 39, 41, 43, 45, 47, 49 degrees. Specifically, when the flue gas flows along the flue, the flue gas is blocked by the baffle 7 and can only pass through the through holes of the baffle 7, that is, the flue gas needs to pass through the cyclone blades 8, that is, the blade bodies 9 in the cyclone blades 8 have a certain inclination angle, so that the passing flue gas is divided and forms cyclone or forms cyclone. Further, the rotatory flue gas on the one hand can make it form more abundant contact with the cascade, simultaneously, can make the dust in the flue gas receive centrifugal force's influence after the flue gas forms the whirl, and moves the outer fringe department of flue gas whirl fluid, and then makes the dust in the flue gas more easily adsorbed or caught by the cascade, promptly, further improves dust collector's dust removal rate.

As shown in fig. 3 and 4, in the preferred embodiment, the water curtain assembly 3 includes a water storage box 10 and an overflow port 11 formed at the top of the water storage box 10, a water storage cavity is disposed in the water storage box 10, the water storage cavity is communicated with the overflow port 11, and the water storage cavity is communicated with the water pump 2. Further, a partition plate 12 is further disposed in the water storage box 10, the partition plate 12 and the water storage box 10 are fixed by welding or bolts and divide the water storage cavity into two independent chambers, each chamber is communicated with the water pump 2 through a pipeline, and the height of the partition plate 12 is greater than that of the overflow port 11. Further, the water storage cavity is communicated with the water pump 2 through a pipeline, a valve 13 is further arranged on the pipeline, and the valve 13 is used for adjusting water flow. Specifically, the water storage box 10 is plate-mounted, and opposite to the width direction of the box body, two ends of the water storage box 10 are respectively abutted against the inner wall of the box body 1, further, the water storage box 10 in the embodiment is plate-shaped, that is, after the water storage box 10 is filled with water, water flows out from the overflow port 11 at the top of the water storage box 10 and flows along the surface of the water storage box 10 to form a water curtain or a water curtain, and the water curtain is not easily influenced by the flow rate of flue gas due to the fact that the surface of the water storage box is used as a support, and finally the water flowing out falls to the bottom of the box body 1 under the action of gravity. Further, the water storage box 10 is divided into two independent chambers by using the partition plate 12, each chamber is connected with the water pump 2 through a pipeline, and the height of the partition plate 12 is larger than that of the water overflow port 11, that is, each chamber has only one water overflow port 11, or the partition plate 12 is used for dividing the water storage box 10 into two water storage boxes which can only overflow unidirectionally (when the partition plate 12 is not used, water can form water curtains or water curtains on two sides of one water storage box 10 at the same time), so that the water curtains formed by the water storage boxes 10 are more uniform, or the flow rate of the water curtains is easier to control; further, the top of the partition plate 12 in the water curtain component 3 near the top of the box body is abutted against the top wall of the box body 1, and the top of the water storage box 10 or the overflow port 11 is at a certain distance from the top wall of the box body 1, so that water can flow out of the overflow port 11; further, the bottom of the water curtain component 3 close to the bottom of the box body 1 forms a certain distance with the bottom wall of the box body 1, namely, water flowing out of the water curtain component 3 can be converged at the bottom of the box body 1 to form a water seal, namely, the distance between the bottom wall of the box body 1 and the bottom end part of the water curtain component 3 is filled, so that the trouble that a plurality of water outlets or drain outlets 16 are formed in the bottom of the box body 1 can be avoided, namely, one water outlet is formed between every two adjacent water curtain components 3. Further, the valve 13 can adjust the water flow entering the water storage box 10, and then can adjust the water curtain or the flow of the water curtain according to different use requirements. Furthermore, the water in the tank 1 can be recycled in a period of time, that is, a certain amount of water is injected into the tank 1 in advance, the water inlet of the water pump 2 is connected to the bottom of the tank 1, so that the water falling from the water curtain assembly 3 can be pumped into the water curtain assembly 3 by the water pump 2 continuously until the dust content in the water is not suitable for continuous recycling, and then the waste water containing the dust is discharged out of the tank 1 and then is re-injected with new water, so that unnecessary waste of water resources is reduced.

As shown in fig. 2, in the preferred embodiment, an observation window 14 is further provided on the side wall of the case 1, and the observation window 14 is provided to enable real-time observation of the operation state of the dust removing device. Further, still be provided with still being provided with at least one depressed part 15 in the bottom of box 1, depressed part 15 in this embodiment is the back taper, helps the dust in the waste water to collect in the sedimentation process, and then is convenient for its discharge outside the box, and the bottom of depressed part 15 still is provided with drain 16, and the dust that adsorbs through water curtain or water curtain can fall to the bottom of box 1 along with water, and when the dust content in water reached certain concentration value, then can open drain 16 and discharge the waste water that contains the dust.

In this specification, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to the terms "preferred embodiment," "further embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. A water curtain type dust collector, which is characterized in that: including box, water pump and a plurality of cascade subassembly, be formed with the cavity in the box, the cascade subassembly be located in the cavity and with box fixed connection, the cascade subassembly is followed the length direction interval arrangement of box and dislocation each other form S-shaped flue in the cavity, the water pump with the cascade subassembly is connected, the water pump is used for supplying water to the cascade subassembly and makes the cascade subassembly produces the cascade, still be provided with respectively along its length direction' S both ends department on the box and advance the mouth of cigarette and go out the mouth of cigarette, advance the mouth of cigarette with the mouth of cigarette all with the flue is linked together.

2. The water curtain type dust removing apparatus as claimed in claim 1, wherein: and a gas distribution mechanism is further arranged between the water curtain assemblies adjacent to each other and fixedly connected with the box body, and the gas distribution mechanism is used for enabling the passing smoke to form rotational flow.

3. The water curtain type dust removing apparatus as claimed in claim 2, wherein: the gas distribution mechanism comprises a baffle and a swirl blade, a through hole for flue gas to pass through is formed in the baffle, the swirl blade is arranged in the through hole, the swirl blade is connected with the baffle, and the swirl blade is used for enabling the flue gas passing through to form swirl.

4. A water curtain dust collector as claimed in claim 3, wherein: the swirl vane comprises a plurality of vane bodies, wherein the vane bodies are radially arranged by taking the axial lead of the through hole as a datum point, and an included angle is formed between the vane bodies and the axial lead of the through hole.

5. The water curtain type dust removing apparatus as claimed in claim 4, wherein: the included angle is 30-50 degrees.

6. The water curtain dust removal device of any one of claims 1-5, wherein: the water curtain component comprises a water storage box and an overflow port arranged at the top of the water storage box, wherein a water storage cavity is arranged in the water storage box and is communicated with the overflow port, and the water storage cavity is communicated with the water pump.

7. The water curtain type dust removing apparatus as claimed in claim 6, wherein: the water storage box is internally provided with a partition plate, the partition plate is fixedly connected with the water storage box and divides the water storage cavity into two independent cavities, each cavity is communicated with the water pump, and the height of the partition plate is larger than that of the overflow port.

8. The water curtain type dust removing apparatus as claimed in claim 6, wherein: the water storage cavity is communicated with the water pump through a pipeline, and a valve is further arranged on the pipeline and used for adjusting water flow.

9. The water curtain dust removal device of any one of claims 1-5, wherein: and an observation window is further arranged on the side wall of the box body.

10. The water curtain dust removal device of any one of claims 1-5, wherein: the bottom of box still is provided with at least one depressed part, the bottom of depressed part still is provided with the drain.