CN209530445U - A kind of combined type multi-stage spray cleaner - Google Patents

Abstract

The utility model discloses a kind of combined type multi-stage spray cleaners, it solves the problems, such as that the collecting effect of fine dusts in the prior art is bad, whole efficiency of dust collection is lower, has the effect of can be realized multistage dedusting, high dust collection efficiency, water resource can reuse；Its technical solution are as follows: including composite dedusting room, centrifugal chamber, exhaust apparatus, composite dedusting chamber interior is alternately arranged several overdraught partitions and downstream partition in the horizontal direction, and composite dedusting chamber interior installs spray equipment；Inside centrifugal chamber along the vertical direction arranged for interval it is multiple inclination set angles baffles；Exhaust apparatus is used to provide negative pressure for composite dedusting room and centrifugal chamber, and negative pressure gas flow forms fair current, adverse current alternating action to realize that gas-liquid exchanges, to complete multistage dedusting with the shower water that spray equipment generates.

Description

A composite multi-stage spray dust removal equipment

technical field

The utility model relates to the field of dust removal, in particular to a composite multi-stage spray dust removal device.

Background technique

The main function of the dust collector is to separate the dust from the dusty gas to obtain a clean air flow, so as to achieve the purpose of purifying the air.

There are two main types of dust collectors: wet dust collector and dry dust collector. Wet dust collector uses water to absorb dust particles and toxic and harmful pollutants in dusty gas, and has two functions of dust removal and air purification. At present, the commonly used wet dust collectors mainly include spray tower dust collectors, Venturi dust collectors, and water film dust collectors; commonly used dry dust collectors include: inertial dust collectors, centrifugal dust collectors, cyclone dust collectors, bag type dust collectors, electric dust collectors, etc. Dust collector: The spray tower dust collector intercepts large particles through the collision of spray water and dust-containing gas, and collects them in the water liquid. It has simple structure, small pressure loss, and low energy consumption, and is suitable for collecting larger specifications. dust.

However, after research, the inventor found that the existing spray tower dust collectors all adopt the single-stage spraying method, the contact probability of dusty gas and water mist is low, and the water liquid is easy to capture larger dust particles, and for fine The dust collection effect is not good, and the overall dust removal efficiency is low.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides a composite multi-stage spray dedusting device, which has the effects of realizing multi-stage dedusting, high dedusting efficiency and reusable water resources.

The utility model adopts the following technical solutions:

A composite multi-stage spray dust removal equipment, including:

Composite dedusting chamber, inside which several upper air flow partitions and lower air flow partitions are arranged alternately along the horizontal direction, and spraying device is installed inside the composite dust removal chamber;

A centrifugal chamber, in which a plurality of baffles with inclined and set angles are arranged at intervals along the vertical direction;

The exhaust device is used to provide negative pressure for the composite dust removal chamber and the centrifugal chamber. The negative pressure airflow and the spray water generated by the spray device form a forward and reverse flow alternately to achieve gas-liquid exchange, thereby completing multi-stage dust removal.

Further, the upper air partition is fixed to the top of the composite dust removal chamber, and there is a gap with the bottom of the composite dust removal chamber, and the lower air partition is fixed to the bottom of the composite dust removal chamber, and there is a gap with the top of the composite dust removal chamber;

Wherein, there are an odd number of upper airflow partitions, and an even number of lower airflow partitions.

Further, baffles are provided on both inner walls of the centrifugal chamber, and the included angle between the baffles and the vertical direction is an acute angle greater than 45°.

Preferably, the included angle between the baffle and the vertical direction ranges from 60° to 90°.

Further, a settling chamber is set at the bottom of the composite dedusting chamber, one end of the settling chamber is provided with a sewage outlet, and the other end is provided with a water outlet;

The sewage outlet is connected to the water outlet through an inclined sewage discharge plate.

Further, the inclination angle of the sewage discharge plate is less than 30°.

Preferably, the angle between the sewage discharge plate and the horizontal direction ranges from 15° to 25°.

Further, a circulation device is also included, and the circulation device communicates with the settling chamber and the spray device;

The circulation device includes a water pump, which is respectively connected with the water outlet of the settling chamber and the spray device through water pipes, and the water pipe between the water pump and the spray device is provided with a flow control valve.

Further, the top of the composite dust removal chamber communicates with the air inlet chamber.

Further, the spraying device includes a plurality of spraying heads installed on the top of the compound dust removal chamber.

Further, the exhaust device is a centrifugal fan, and the centrifugal fan is installed in the air outlet on the top of the centrifugal chamber.

The dust removal method of a compound multi-stage spray dust removal equipment is as follows:

After the centrifugal fan is started, a negative pressure is generated inside the composite dust removal chamber and the centrifugal chamber, and the dust-laden air flow enters the composite dust removal chamber through the air inlet chamber under the action of pressure;

The nozzle of the sprinkler device is open, the spray water is fully combined with the dust-laden gas, and the dust-laden airflow is actively sprayed; when the dust-laden airflow passes through the upper airflow partition and the lower airflow partition, an inertial dust removal effect is formed, and the dust-laden airflow is sprayed Fully purified under the combined action of showering and inertial dedusting; the airflow with a certain humidity continues to enter the centrifuge chamber to complete the dehumidification and impurity removal, and then the clean airflow is discharged through the air outlet.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The utility model is provided with a dust removal chamber with multiple partitions. Under the action of the centrifugal fan, the dust-laden airflow forms a downstream type with the water mist in the first and third stages of spraying, and in the second and fourth stages The spray stage forms a counterflow pattern with the water mist, and the probability of contact between the dusty airflow and the water is greatly increased, and the dust particles are carried out by the water to complete the air purification;

(2) The utility model is provided with an upper airflow partition and a lower airflow partition at intervals inside the composite dust removal chamber, and when the airflow passes through the lower gap between the two, an inertial dust removal effect is produced, further purifying the dusty airflow;

(3) In the utility model, the lower part of the settling chamber is arranged as an inclined structure, which facilitates the sewage discharge of the settled matter, saves manufacturing materials and saves space;

(4) The utility model is equipped with a circulation device to directly recycle the water in the settling chamber without additional water storage tanks, which can effectively reduce costs, save space, and improve water utilization.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application, and do not constitute improper limitations to the present application.

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is a schematic diagram of the airflow direction of Embodiment 1 of the present utility model;

Fig. 3 is the schematic diagram of the structure of the settling chamber of Embodiment 1 of the utility model;

4 is a schematic diagram of the internal structure of the centrifuge chamber in Embodiment 1 of the utility model;

Among them, 1. Air inlet chamber; 2. Composite dust removal chamber; 21. Air inlet; 22. Nozzle; 23. Upper airflow partition; 24. Lower airflow baffle; 25. Shell;

3. Centrifugal chamber; 31. Baffle plate I; 32. Baffle plate II;

4. Settling chamber; 41. Sewage outlet; 42. Sewage plate; 43. Water outlet; 5. Centrifugal fan; 51. Air outlet;

6. Circulation device; 61. Water pump; 62. Water pipe; 63. Flow control valve; 7. Base.

Detailed ways

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. 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 application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom" etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only a relative term determined for the convenience of describing the structural relationship between the various components or elements of the present utility model, and does not specifically refer to any component or element in the present utility model, and cannot It should be understood as a limitation of the present utility model.

As introduced in the background technology, the prior art has the disadvantages of poor collection of fine dust and low overall dust removal efficiency. In order to solve the above technical problems, this application proposes a composite multi-stage spray dust removal equipment.

Embodiment one:

As shown in Figures 1-4, a composite multi-stage spray dust removal equipment is provided, including an air inlet chamber 1, a composite dust removal chamber 2, a centrifuge chamber 3, a settling chamber 4, an exhaust device and a circulation device 6. Gas-liquid exchange and inertial dedusting, centrifugal dehumidification.

The composite dedusting chamber 2 includes a housing 25 , and a spraying device, several upper air flow partitions 23 and lower air flow baffles 24 are installed inside the housing 25 .

The upper airflow baffle 23 and the lower airflow baffle 24 are vertically arranged and arranged at intervals inside the casing 25 .

The upper air flow baffle 23 is fixed to the top of the housing 25 and has a gap with the bottom of the housing 25 . The lower air flow baffle 24 is fixed to the bottom of the housing 25 and has a gap to the top of the housing 25 .

The inside of the casing 25 is divided into multiple areas by the upper air flow partition 23 and the lower air flow baffle 24, and the gas-liquid exchange under the effect of spraying is realized in each area to realize dust removal.

Wherein, the upper airflow dividing plate 23 is an odd number, and the lower airflow dividing plate 24 is an even number, and the upper airflow dividing plate 23 of the last stage is used as the dividing plate of the composite dust removal chamber 2 and the centrifugal chamber 5, and the composite dust removal chamber 2 and the centrifugal chamber 5 The lower side is connected.

The gas-liquid exchange is realized by the alternating action of forward and reverse flow between the negative pressure air flow and the spray water, and the dust removal is completed; the sharp change of the flow direction is formed by the air flow passing through the upper air flow partition 23 and the lower air flow partition 24, and the inertial dust removal is completed Effect.

Taking the direction in Figure 1 as a reference, from left to right are the primary spraying stage and the secondary spraying stage...

Under the action of the centrifugal fan 5, the dust-laden airflow enters from the inlet of the air inlet chamber 1, and the airflow forms a downstream flow with the water mist in the first and third... The fog forms a counter-flow type; the probability of contact between the dust-laden airflow and water is greatly increased, and the dust particles are carried out by the water to complete the air purification.

In some embodiments, the horizontal distance between adjacent upper airflow partitions 23 and lower airflow partitions 24 is 150-250mm; Change, the dust particles in the gas drop to the inside of the settling chamber 4 under the action of inertia to realize dust removal.

The spraying device includes a plurality of shower heads 22, and the nozzles 22 are installed between the upper air flow partition 23 and the housing 25, between the adjacent upper air flow partition 23 and the lower air flow partition 24, and the gas is in direct contact with the spray water. , small resistance, small energy loss.

The number of shower heads 22 can be selected according to actual conditions.

In this embodiment, since the airflow passing through the composite dust removal chamber 2 contains a certain amount of moisture, the centrifugal chamber 5 is located on the right side of the composite dust removal chamber 2 and is higher than the composite dust removal chamber 2 .

An air outlet 51 is arranged on the top of the centrifugal chamber 5 , and an exhaust device is installed in the air outlet 51 .

Several obliquely arranged baffles are fixed inside the centrifugal chamber 5 .

In some embodiments, a baffle I31 is provided on one inner wall of the centrifugal chamber 5, and a baffle II32 is provided on the other inner wall, and the baffles I31 and II32 are arranged alternately in the vertical direction.

The included angle between the baffle plate I31 and the baffle plate II32 and the vertical direction is an acute angle greater than 45°.

Preferably, the included angle between the baffle I31 and the baffle II32 and the vertical direction ranges from 60° to 90°.

In some embodiments, the distance between the baffle I31 and the baffle II32 in the vertical direction is 350-450 mm.

The top of the housing 25 of the composite dust removal chamber 2 has an air inlet chamber 1 on the side away from the centrifuge chamber 3 , and the communication position between the inlet chamber and the composite dust removal chamber 2 is an air inlet 21 .

The exhaust device is a centrifugal fan 5 .

Settling chamber 4 is arranged at the bottom of described composite dedusting chamber 2, and the bottom of settling chamber 4 is the blowdown plate 42 that is arranged inclined; structure; and the inclined drain plate 42 makes the settling chamber 4 compact and saves raw materials.

Preferably, the drain plate 42 is inclined from the side corresponding to the centrifugal chamber 3 to the side corresponding to the air inlet chamber 1, and its end corresponding to the side of the air inlet chamber 1 is the sewage outlet 41, corresponding to the side of the centrifugal chamber 3 The end of the water outlet is the water outlet 43; the sewage outlet 41 cooperates with the inclined sewage discharge plate 42, which is convenient for the discharge and cleaning of the sediment.

The inclination angle of the drain plate 42 is less than 30°.

Preferably, according to the difference in sedimentation characteristics of impurities, the angle between the sewage discharge plate 42 and the horizontal direction ranges from 15° to 25°.

The sewage outlet 41 is equipped with an openable and closed door panel, which is opened when the sediment needs to be cleaned up.

The connecting part between the settling chamber 4 and the composite dust removal chamber 2 is an open structure.

Concrete, some crossbeams are set between the settling chamber 4 and the composite dedusting chamber 2, and the crossbeams are used to support the lower airflow baffle 24; the crossbeams are arranged along the view direction perpendicular to FIG. Room 4 communicates with other positions between the composite dust removal room 2 .

The settling chamber 4 is filled with liquid, and the liquid level is higher than the installation position of the crossbeam, so that the dusty liquid can fall freely and the gas can flow according to the expected direction.

The waste liquid with dust falls directly into the settling chamber 4, and the airflow can complete the first spraying (downstream contact) + first inertial dust removal, and the second spray (countercurrent contact) + second inertial dust removal according to the established path... ··.

The circulation device communicates with the settling chamber 4 and the spraying device.

Described circulation device comprises water pump 61, water pipe 62 and flow control valve 63, and water pump 61 links to each other with the water outlet 43 of settling chamber 4, the pipeline of spraying device through water pipe 62 respectively, and the water pipe 62 between water pump 61 and spraying device A flow control valve 63 is provided.

The bottom of the water pump 61 is supported by the base 7 .

The settled water is supplied to the spraying device for reuse through the pumping action of the water pump 61, saving water source.

Embodiment two:

This embodiment provides a dust removal method for composite multi-stage spray dust removal equipment, specifically:

After the centrifugal fan 5 is started, a negative pressure is generated inside the composite dust removal chamber 2 and the centrifugal chamber 3, and the dust-laden air flow enters the composite dust removal chamber 2 through the air inlet chamber 1 under the action of pressure.

The nozzle 22 of the spraying device is open, and the spraying water is fully combined with the dust-laden gas to realize active spraying on the dust-laden airflow, and capture the dust in the airflow into the water, thereby achieving the purpose of dust removal.

The dust-laden airflow passes through the upper airflow partition 23 and the lower airflow partition 24 to form an inertial dust removal effect, and the dusty airflow is fully purified under the alternate compound action of spraying and inertial dust removal; the airflow with a certain humidity continues to enter the centrifuge The chamber 3 completes the dehumidification and impurity removal, and then discharges the clean air through the air outlet 51 .

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (9)

1. a kind of combined type multi-stage spray cleaner characterized by comprising

Composite dedusting room, inside be alternately arranged several overdraught partitions and downstream partition, and composite dedusting in the horizontal direction Chamber interior installs spray equipment；

Centrifugal chamber, inside along the vertical direction arranged for interval it is multiple inclination set angles baffles；

Exhaust apparatus, for providing negative pressure, the shower water that negative pressure gas flow and spray equipment generate for composite dedusting room and centrifugal chamber Fair current, adverse current alternating action are formed to realize that gas-liquid exchanges, to complete multistage dedusting.

2. a kind of combined type multi-stage spray cleaner according to claim 1, which is characterized in that the overdraught partition It is fixed with composite dedusting ceiling portion, there are gap, the downstream partition and composite dedusting room bottoms with composite dedusting room bottom It fixes, there are gaps with composite dedusting ceiling portion；

Wherein, overdraught partition is odd number, and downstream partition is even number.

3. a kind of combined type multi-stage spray cleaner according to claim 1, which is characterized in that the two of the centrifugal chamber Side inner wall is respectively provided with baffle, and the angle of the baffle and vertical direction is greater than 45 ° of acute angle.

4. a kind of combined type multi-stage spray cleaner according to claim 1, which is characterized in that the composite dedusting room Expansion chamber is arranged in bottom, and described expansion chamber one end is equipped with sewage draining exit, and the other end is equipped with water outlet；

It is connected between the sewage draining exit and water outlet by the blowdown plate being obliquely installed.

5. a kind of combined type multi-stage spray cleaner according to claim 4, which is characterized in that the blowdown plate inclines Rake angle is less than 30 °.

6. a kind of combined type multi-stage spray cleaner according to claim 4, which is characterized in that further include circulation dress It sets, the circulator connection expansion chamber and spray equipment；

The circulator includes water pump, and water pump passes through water pipe respectively and is connected with the water outlet of expansion chamber, spray equipment, and water pump Flow control valve is arranged in water pipe between spray equipment.

7. a kind of combined type multi-stage spray cleaner according to claim 1, which is characterized in that the composite dedusting room Top is connected to inlet air plenum.

8. a kind of combined type multi-stage spray cleaner according to claim 1, which is characterized in that the spray equipment packet Include multiple spray heads for being installed on composite dedusting ceiling portion.

9. a kind of combined type multi-stage spray cleaner according to claim 1, which is characterized in that the exhaust apparatus is Centrifugal blower, the centrifugal blower are installed in centrifugal chamber top outlet inlet.