CN219424024U - Dedusting and demisting device - Google Patents

Abstract

The utility model relates to a dedusting and demisting device, which comprises a treatment tower and a water inlet device, wherein the treatment tower is connected with the water inlet device, the treatment tower comprises a reaction tower body, a reaction cavity is formed in the reaction tower body, the reaction cavity comprises a first reaction cavity and a second reaction cavity, the first reaction cavity is communicated with the second reaction cavity, a first treatment mechanism is arranged in the first reaction cavity and is used for changing the direction of air flow, and a second treatment mechanism is arranged in the second reaction cavity; the utility model provides a dust removal defogging device can effectually reduce the discharge of white cigarette, and dust treatment is effectual, simple structure, and the operation cost is low, further also has improved production efficiency.

Description

Dedusting and demisting device

Technical Field

The utility model relates to the technical field of environmental protection equipment, in particular to a dual dedusting and demisting device.

Background

As is well known, in the technical field of environmental protection at the present stage, for example, in the technical field of industrial waste gas treatment, dust fog is an important index for detecting the treatment capacity of equipment, so that in the existing equipment for treating waste gas and waste gas, almost all the wet equipment is discharged together, and for this phenomenon, dry desulfurization equipment is present in the market, and a method for desulfurizing waste gas by adopting a non-spraying mode is adopted to perform desulfurization treatment on waste gas, but the treatment effect of the technology is far less than that of wet spraying, so that the content of PM2.5 in the air is directly improved, and therefore, the white smoke in the discharged waste gas is always an important index for detecting the treatment capacity of equipment; in addition, the flue gas heat exchange system is adopted to increase the temperature of the flue gas outlet, so that the flue gas is not condensed into white flue gas at the outlet, but the mode has high cost, can increase the production cost and is more troublesome in the later maintenance process, so that the dust and mist removal device capable of effectively removing dust and mist simultaneously is required, the operation cost is low, the discharge amount of the white flue gas can be effectively reduced, and the dust and the water vapor in the flue gas are subjected to double treatment.

Disclosure of Invention

Therefore, the utility model aims to provide the dust and mist removing device which has good dust and mist removing effect and effectively reduces the discharge amount of white smoke.

In order to achieve the aim of the utility model, the utility model provides a dedusting and demisting device, which comprises a processing tower and a water inlet device, wherein the processing tower is connected with the water inlet device, the processing tower comprises a reaction tower body, a reaction cavity is formed in the reaction tower body, the reaction cavity comprises a first reaction cavity and a second reaction cavity, the first reaction cavity is communicated with the second reaction cavity, a first processing mechanism is arranged in the first reaction cavity and is used for changing the direction of airflow, a second processing mechanism is arranged in the second reaction cavity and is used for adsorbing dust in smoke, the first reaction cavity is arranged above the second reaction cavity, and the first processing mechanism and the second processing mechanism are mutually matched for dedusting and demisting.

Preferably, the first treatment mechanism is a demisting mechanism, the demisting mechanism comprises a cyclone sub-assembly and a flushing assembly, the cyclone sub-assembly comprises a first cyclone and a second cyclone, the flushing assembly comprises a flushing unit, the flushing unit comprises a first flushing unit and a second flushing unit, the first cyclone is arranged above the first flushing unit, the second cyclone is arranged below the first flushing unit, and the second flushing unit is arranged below the second cyclone.

Preferably, the cyclone sub-assembly and the flushing assembly are arranged at intervals, namely the first cyclone sub-assembly and the second cyclone sub-assembly are respectively arranged right above the first flushing unit and the second flushing unit, the flushing assembly is connected with a connecting flange on the wall of the treatment tower, and the connecting flange is connected with a back flushing device through a back flushing pipe.

Preferably, the flushing unit comprises a flushing pipe, a plurality of flushing nozzles are connected to the flushing pipe, each flushing nozzle is arranged at intervals, and the spraying direction of each flushing nozzle faces the direction of the air inlet of the cyclone.

Preferably, the second treatment mechanism is an airflow dispersing mechanism, the airflow dispersing mechanism comprises a cyclone plate assembly and a spraying assembly, the cyclone plate assembly comprises a cyclone plate unit, the cyclone plate unit comprises a first cyclone plate unit, a second cyclone plate unit and a third cyclone plate unit, and the first cyclone plate unit, the second cyclone plate unit and the third cyclone plate unit are respectively arranged in the second reaction cavity at intervals.

Preferably, the spray assembly comprises a first spray unit, a second spray unit and a third spray unit, wherein the first spray unit is arranged above the first cyclone plate unit, the second spray unit is arranged above the second cyclone plate unit, the third spray unit is arranged above the third cyclone plate unit, each spray unit is provided with a high-pressure spray faucet, the high-pressure spray faucet is provided with more than two spray faucets, and the spray assembly is connected with the backwash assembly through a connecting water pipe.

Preferably, the swirl plate unit is provided with swirl blades, the swirl blades are provided with a plurality of swirl blades, each swirl plate is circumferentially and fixedly arranged in sequence, and the spraying direction of each high-pressure spraying faucet faces the upper surface of the swirl blade.

Preferably, a water tank cavity is further arranged in the reaction tower body, the water tank cavity is arranged below the second reaction cavity, an air inlet valve is arranged on the water tank cavity, and a stirrer is arranged in the water tank cavity.

Preferably, the treatment tower further comprises a gas discharge port, and a gas outlet cylinder is arranged on the gas discharge port and is communicated with the reaction cavity.

Preferably, the water inlet device is arranged at a position close to the treatment tower, the water inlet device is connected with the treatment tower through a connecting piece, and the water inlet device is provided with more than two groups.

The beneficial effects of the utility model are as follows: the utility model provides a dedusting and demisting device, which is provided with a first treatment mechanism and a second treatment mechanism, wherein the first treatment mechanism can effectively change the direction of air flow, the second treatment mechanism is used for adsorbing dust in smoke, and simultaneously treating the dust and water vapor in the smoke, so that the discharge amount of white smoke can be effectively reduced, the dust treatment effect is good, the structure is simple, the operation cost is low, and the production efficiency is further 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 plan view of a dedusting and demisting apparatus according to the present utility model;

fig. 2 is a schematic view of a preferred embodiment of the dust and mist removing device of the present utility model.

In the figure: 1. a reaction chamber; 2. a first reaction chamber; 3. a second reaction chamber; 5. a first cyclone; 6. a second cyclone; 7. a first flushing unit; 8. a second flushing unit; 9. a flushing pipe; 91. flushing the spray head; 10. a slurry return valve; 11. a stirrer; 12. a liquid outlet; 13. a first swirl plate unit; 14. a second swirl plate unit; 15. a third swirl plate unit; 16. a first spray unit; 17. a second spray unit; 18. a third spray unit; 19. a high-pressure spray tap; 20. swirl vanes; 21. a pool cavity; 22. an air inlet valve; 23. and an air outlet cylinder.

Detailed Description

In order that the utility model may be understood more fully, the utility model will be described with reference to the accompanying drawings.

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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-2, an embodiment of the present utility model provides a dedusting and demisting device, including a processing tower and a water inlet device, where the processing tower is connected with the water inlet device, the processing tower includes a reaction tower body, a reaction cavity 1 is formed in the reaction tower body, the reaction cavity 1 includes a first reaction cavity 2 and a second reaction cavity 3, the first reaction cavity 2 is communicated with the second reaction cavity 3, a first processing mechanism is disposed in the first reaction cavity 2, the first processing mechanism is used for changing the direction of airflow, a second processing mechanism is disposed in the second reaction cavity 3, the second processing mechanism is used for adsorbing dust in the flue gas, the first reaction cavity 2 is disposed above the second reaction cavity 3, the first processing mechanism and the second processing mechanism are mutually matched to perform dedusting and demisting, the flue gas enters from the second reaction cavity 3 first, passes through dust treatment of the second reaction cavity 3, then enters the first reaction cavity 2 to change the direction of airflow, and removes the moisture in the gas, thereby achieving the effect of demisting.

Referring to fig. 1-2, in a further preferred embodiment, the first treatment mechanism is a demisting mechanism, the demisting mechanism comprises a cyclone sub-assembly and a flushing assembly, the cyclone sub-assembly comprises a first cyclone 5 and a second cyclone 6, the flushing assembly comprises a flushing unit, the flushing unit comprises a first flushing unit 7 and a second flushing unit 8, the first cyclone 5 is arranged above the first flushing unit 7, the second cyclone 6 is arranged below the first flushing unit 7, the second flushing unit 8 is arranged below the second cyclone 6, after the gas is treated in the second reaction chamber 3, the gas can enter the first reaction chamber 2 upwards, the flue gas passes through the cyclone, the direction of the gas flow can be changed by the cyclone, the gas flow is fully contacted with the inner wall of the cyclone, then the moisture of the flue gas is condensed on the inner wall of the cyclone, and the water vapor in the gas is removed, so that the demisting effect is achieved.

Referring to fig. 1-2, in the preferred embodiment, the cyclone sub-assemblies and the flushing assemblies are arranged at intervals, i.e. the first cyclone sub-5 and the second cyclone sub-6 are respectively arranged right above the first flushing unit 7 and the second flushing unit 8, the flushing assemblies are connected with a connecting flange on the wall of the treatment tower, the connecting flange is connected with a back flushing pipe sequentially through a connecting pipe, and the back flushing pipe is then connected with back flushing equipment.

Referring to fig. 1-2, in a preferred embodiment, the flushing unit includes a flushing pipe 9 to which a plurality of flushing nozzles 91 are connected, the flushing nozzles 91 are provided, each of the flushing nozzles 91 is disposed at intervals, and a spraying direction of each of the flushing nozzles faces an air inlet direction of the cyclone, and a plurality of flushing nozzles are disposed to perform back flushing on an inner wall of the cyclone.

Referring to fig. 1-2, in a preferred embodiment, the second treatment mechanism is an airflow dispersing mechanism, the airflow dispersing mechanism comprises a cyclone plate assembly and a spray assembly, the cyclone plate assembly comprises a cyclone plate unit, the cyclone plate unit comprises a first cyclone plate unit 13, a second cyclone plate unit 14 and a third cyclone plate unit 15, the first cyclone plate unit 13, the second cyclone plate unit 14 and the third cyclone plate unit 15 are respectively arranged in the second reaction cavity 3 at intervals, after the flue gas enters the second reaction cavity 3, the flue gas generates a cyclone effect under the guidance of cyclone blades of the cyclone plate, the cyclone plate is provided with the spray assembly, the spray liquid is uniformly sprayed on the cyclone plate and mixed with cyclone flue gas, dust in the flue gas encounters the spray liquid and is adhered by spray water drops, so that the flue gas falls down under the action of gravity and is condensed on the cyclone plate or falls down in a water pool at the bottom of the tower, and after passing through the cyclone plate, the flue gas passes through a cyclone.

Referring to fig. 1-2, in a further preferred embodiment, the spray assembly includes a first spray unit 16, a second spray unit 17 and a third spray unit 18, the first spray unit 16 is disposed above the first cyclone plate unit, the second spray unit 17 is disposed above the second cyclone plate unit 14, the third spray unit 18 is disposed above the third cyclone plate unit 15, each spray unit is provided with a high-pressure spray faucet 19, the high-pressure spray faucet 19 is provided with more than two spray units, the spray assembly is connected with a back flush assembly through a connecting water pipe, more than three spray units are disposed, and each spray unit is disposed above the corresponding cyclone plate unit, namely, in order to uniformly spray liquid on the cyclone plate and mix with cyclone flue gas, dust in the flue gas encounters spray water droplets to adhere to each spray liquid, so as to fall down under the action of gravity and condense on the cyclone plate, or fall in the bottom water pool, the flue gas after passing through the cyclone plate of the second reaction chamber, the flue gas can enter into the first reaction chamber, the cyclone changes the direction of the cyclone, so that the moisture in the cyclone contacts with the inner wall of the cyclone is removed, and the mist is fully removed.

Referring to fig. 1-2, in a further preferred embodiment, a swirl plate unit is provided with a plurality of swirl vanes 20, each swirl plate is fixed in a circumferential surrounding manner, and the spraying direction of each high-pressure spraying tap faces the upper surface of the swirl vane, so that the spraying liquid is ensured to be uniformly sprayed on the swirl plate and mixed with swirling flue gas.

Referring to fig. 1-2, in a further preferred embodiment, a water tank cavity 21 is further provided in the reaction tower body, the water tank cavity 21 is disposed below the second reaction cavity, an air inlet valve 22 is provided on the water tank cavity 21, the flue gas to be treated enters the second reaction cavity from the air inlet valve 22 upward, a stirrer 11 is provided in the water tank cavity, a liquid drain 12 is further provided at the bottom of the water tank cavity, the liquid drain is connected with a slurry return valve 10, and the dust liquid falling back to the bottom of the tower is treated by the stirrer and then discharged to a production workshop, wherein the stirrer and the slurry return valve are all of the prior art, and are not described in detail in this embodiment.

Referring to fig. 1-2, in a further preferred embodiment, the treatment tower further comprises a gas discharge port, wherein a gas outlet tube 23 is arranged on the gas discharge port, the gas outlet tube is communicated with the reaction cavity, and finally the gas treated by the second reaction cavity and the first reaction cavity is discharged from the gas discharge port on the second reaction cavity or enters the next stage treatment equipment.

Referring to fig. 1-2, in a further preferred embodiment, the water inlet device is arranged close to the treatment tower, the water inlet device is connected to the treatment tower by a water pipe connection, the water inlet device is provided with more than two groups, the water inlet device is already the prior art, and the detailed description of the water inlet device is omitted in this embodiment.

The utility model has the beneficial effects that the dust and mist removing device is provided with the first treatment mechanism and the second treatment mechanism, the first treatment mechanism can effectively change the direction of air flow, the second treatment mechanism is used for adsorbing dust in smoke, and simultaneously, the dust and water vapor in the smoke are treated, so that the emission of white smoke can be effectively reduced, the dust treatment effect is good, the structure is simple, the operation cost is low, and the production efficiency is further improved.

In this application, 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.

The above examples merely represent a few embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides a dust removal defogging device which characterized in that: including processing tower and water inlet unit, the processing tower with water inlet unit is connected, the processing tower includes the reaction tower body, this internal reaction cavity that is formed with of reaction tower, the reaction cavity includes first reaction chamber and second reaction chamber, first reaction chamber is linked together with the second reaction chamber, be equipped with first processing mechanism in the first reaction chamber, first processing mechanism is used for changing the direction of air current, be equipped with second processing mechanism in the second reaction chamber, second processing mechanism is used for adsorbing the dust in the flue gas, first reaction chamber set up in the top of second reaction chamber, first processing mechanism with second processing mechanism mutually support and remove dust defogging.

2. The dedusting and demisting device according to claim 1, wherein the first treatment mechanism is a demisting mechanism, the demisting mechanism comprises a cyclone sub-assembly and a flushing assembly, the cyclone sub-assembly comprises a first cyclone and a second cyclone, the flushing assembly comprises a flushing unit, the flushing unit comprises a first flushing unit and a second flushing unit, the first cyclone is arranged above the first flushing unit, a second cyclone is arranged below the first flushing unit, and a second flushing unit is arranged below the second cyclone.

3. The dedusting and demisting device according to claim 2, wherein the cyclone sub-assembly and the flushing assembly are arranged at intervals, namely the first cyclone sub-assembly and the second cyclone sub-assembly are respectively arranged right above the first flushing unit and the second flushing unit, the flushing assembly is connected with a connecting flange on the wall of the treatment tower, and the connecting flange is connected with a backwashing device through a connecting backwashing pipe.

4. A dedusting and demisting device according to claim 3, wherein the flushing unit comprises a flushing pipe, a plurality of flushing nozzles are connected to the flushing pipe, each flushing nozzle is arranged at intervals, and the spraying direction of each flushing nozzle faces the direction of the air inlet of the cyclone.

5. The dedusting and demisting device according to claim 1, wherein the second treatment mechanism is an airflow dispersing mechanism, the airflow dispersing mechanism comprises a cyclone plate assembly and a spray assembly, the cyclone plate assembly comprises a cyclone plate unit, the cyclone plate unit comprises a first cyclone plate unit, a second cyclone plate unit and a third cyclone plate unit, and the first cyclone plate unit, the second cyclone plate unit and the third cyclone plate unit are respectively arranged in the second reaction chamber at intervals.

6. The dust and mist removing device according to claim 5, wherein the spray assembly comprises a first spray unit, a second spray unit and a third spray unit, the first spray unit is arranged above the first cyclone plate unit, the second spray unit is arranged above the second cyclone plate unit, the third spray unit is arranged above the third cyclone plate unit, each spray unit is provided with a high-pressure spray faucet, the high-pressure spray faucet is provided with more than two spray assemblies, and the spray assemblies are connected with the back flushing assembly through connecting water pipes.

7. The dedusting and demisting device according to claim 6, wherein a plurality of swirl blades are arranged on the swirl plate unit, each swirl plate is circumferentially fixed in sequence, and the spraying direction of each high-pressure spraying faucet faces the upper surface of the swirl blade.

8. The dedusting and demisting device according to claim 1, wherein a water tank cavity is further arranged in the reaction tower body, the water tank cavity is arranged below the second reaction cavity, an air inlet valve is arranged on the water tank cavity, and a stirrer is arranged in the water tank cavity.

9. The dedusting and demisting apparatus according to claim 1, wherein the treatment tower further comprises a gas discharge port provided with a gas outlet, the gas outlet being in communication with the reaction chamber.

10. The dedusting and demisting device according to claim 1, wherein the water inlet device is arranged at a position close to the treatment tower, the water inlet device is connected with the treatment tower through a connecting piece, and the water inlet device is provided with more than two groups.