Environment-friendly dust removal and purification system

Abstract

The invention provides an environment-friendly dust removal and purification system, and relates to the field of dust removal and purification. Comprising a plate-shaped purification shell, and a spraying dust removal mechanism, a dust concentration detection mechanism and an electrostatic dust removal mechanism are sequentially arranged in the purification shell; the spraying dust removal mechanism is provided with a first circulating chamber and a second circulating chamber, and the interiors of the first circulating chamber and the second circulating chamber are divided into first S-shaped flow channels through partition plates in the width direction; a first fan is arranged at the air inlet end of the first circulating chamber; the electrostatic dust collection mechanism is provided with a third circulating chamber and a fourth circulating chamber, and the interiors of the third circulating chamber and the fourth circulating chamber are divided into second S-shaped runners through partition plates in the width direction; a second fan is arranged at the air inlet end of the fourth circulating chamber; the dust concentration detection mechanism comprises a detection chamber which is divided into a first detection chamber and a second detection chamber; dust concentration detectors are respectively arranged in the first detection cavity and the second detection cavity; the first detection cavity and the second detection cavity are each provided with an exhaust port communicated with the outside of the purification shell, and each exhaust port is provided with a valve. The installation space can be saved, and the dust removal and purification efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of dust removal and purification, and in particular to an environmentally friendly dust removal and purification system. Background Art

[0002] With the acceleration of industrialization and urbanization, air pollution has become increasingly serious, posing a serious threat to human health and the ecological environment. In the process of modern industrial development, dust removal is one of the most basic and common environmental governance, and the harm caused by industrial smoke to the environment and workers has gradually attracted people's attention. During the production process, a large amount of smoke is generated, which pollutes the working environment. Especially in the case of poor ventilation, the smoke concentration usually exceeds the national standard by several times, which can cause pneumoconiosis, manganese poisoning, respiratory inflammation, neurasthenia and other occupational hazards. Therefore, indoor purification is very important.

[0003] Current industrial dust removal or indoor dust removal devices occupy a lot of indoor space. If the device is too small, the dust removal efficiency is low and the dust removal effect is poor. If a larger device is installed to improve the dust removal efficiency, it will cause the indoor space to be too large, affecting work or life. Summary of the invention

[0004] The object of the present invention is to provide an environmentally friendly dust removal and purification system, which can save installation space and improve dust removal and purification efficiency.

[0005] The embodiment of the present invention is achieved as follows:

[0006] The embodiment of the present application provides an environmentally friendly dust removal and purification system, comprising a plate-shaped purification housing, wherein a spray dust removal mechanism, a dust concentration detection mechanism and an electrostatic dust removal mechanism are sequentially arranged in the purification housing along its length direction;

[0007] The spray dust removal mechanism comprises a plate-shaped spray dust removal chamber, wherein the spray dust removal chamber is provided with a first circulation chamber and a second circulation chamber in parallel along its width direction, and the first circulation chamber and the second circulation chamber are both divided into a first S-shaped flow channel along their width direction by a partition; a spray assembly is provided at the top of the first S-shaped flow channel, and a drainage assembly is provided at the bottom of the first S-shaped flow channel; an air inlet end of the first circulation chamber and an air outlet end of the second circulation chamber are located at an end away from the dust concentration detection mechanism; a first fan is provided at the air inlet end of the first circulation chamber;

[0008] The electrostatic dust removal mechanism includes a plate-shaped electrostatic dust removal chamber, wherein the electrostatic dust removal chamber is provided with a third circulation chamber and a fourth circulation chamber in parallel along its width direction, and the third annular chamber and the fourth circulation chamber are both divided into a second S-shaped flow channel along their width direction by a partition; the air outlet end of the third circulation chamber and the air inlet end of the fourth circulation chamber are located at an end away from the dust concentration detection mechanism; the air inlet end of the fourth circulation chamber is provided with a second fan;

[0009] The dust concentration detection mechanism includes a plate-shaped detection chamber, which is divided into a first detection chamber and a second detection chamber along its width direction, the first detection chamber is respectively connected to the air outlet end of the first circulation chamber and the air inlet end of the third circulation chamber; the second detection chamber is respectively connected to the air inlet end of the second circulation chamber and the air outlet end of the fourth circulation chamber; dust concentration detectors are respectively provided in the first detection chamber and the second detection chamber; the first detection chamber and the second detection chamber are respectively provided with exhaust ports connected to the outside of the purification shell, and the exhaust ports are provided with valves.

[0010] Further, based on the above solution, a water supply pipe is provided at the top or end of the purification shell, and the water supply pipe is divided into a plurality of branches respectively connected to the spray assemblies of the plurality of the first S-shaped flow channels.

[0011] Further, based on the above scheme, the spray assembly includes two spray plates connected in a V-shape and provided with a chamber therein, the spray plates are arranged along the length direction of the first S-shaped flow channel, and a plurality of nozzles are connected to the bottom of the spray plates.

[0012] Further, based on the aforementioned scheme, the drainage assembly includes a guide plate arranged at the bottom of the first S-shaped flow channel, the guide plate is inclined downward toward the end away from the dust concentration detection mechanism and is connected to a drainage pipe at the end; the drainage pipe is connected to the inlet and / or the water collection tank of the filtering mechanism, and the outlet of the filtering mechanism is connected to the water supply pipe.

[0013] Further, based on the above solution, the first fan and the second fan are respectively arranged close to opposite sides of the purification housing.

[0014] Further, based on the aforementioned scheme, a first electrode plate and a second electrode plate opposite to each other are provided in the second S-shaped flow channel, the first electrode plate and the second electrode plate are connected to the output end of the alternating high voltage electricity generating device, and the voltage polarities on the first electrode plate and the second electrode plate are opposite; dust collection plates interconnected are provided at the bottom of the plurality of second S-shaped flow channels, and the dust collection plates are detachably connected to the bottom of the electrostatic precipitator chamber.

[0015] Further, based on the aforementioned scheme, the nozzle is a conductor; an electric induction device is provided at the air inlet end of the first S-shaped flow channel opposite to the first fan, the electric induction device and the nozzle are connected to the output end of the alternating high-voltage electric device, and the voltage polarities of the nozzle and the electric induction device are opposite.

[0016] Further, based on the above solution, a connecting piece is provided on the outer wall of the purification housing, and the connecting piece is used to install the purification housing on the indoor ceiling.

[0017] Further, based on the aforementioned solution, the drainage pipe and the water supply pipe are respectively connected to extension pipes, the extension pipes are installed against the wall indoors, and the extension pipes are used to connect to the water collection tank or the filtering mechanism.

[0018] Further, based on the above-mentioned solution, the air inlet ends of the first circulation chamber, the second circulation chamber, the third circulation chamber and the fourth circulation chamber are all provided with control valves.

[0019] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

[0020] The present application provides a plate-shaped purification shell, and sequentially provides a spray dust removal mechanism, a dust concentration detection mechanism and an electrostatic dust removal mechanism in the purification shell along the length direction for dust removal and purification. The plate-shaped structure can be installed on the indoor ceiling, and does not occupy the indoor working or living space. The first circulation chamber and the second circulation chamber are provided in the spray dust removal chamber, and the chamber is provided as an S-shaped flow channel, so that the dust can flow sequentially along the S-shaped flow channel, and the spray dust removal is performed by the spray assembly, so that the dust removal effect can be improved. The third circulation chamber and the fourth circulation chamber are provided in the electrostatic dust removal chamber, and the chamber is provided as an S-shaped flow channel, so that the electrostatic dust removal effect can also be improved. The multiple circulation chambers are provided with opposite air inlet and air outlet ends, and the detection chamber is provided in the middle, so that the dust concentration can be detected after a spray dust removal. If the detection is qualified, the dust can be directly discharged from the detection chamber. If the detection is unqualified, the dust can continue to be sent to the electrostatic dust removal chamber for further dust removal and purification. The dust after the electrostatic dust removal can be directly discharged after the detection is qualified. If the dust is unqualified, it can be sent to the spray dust removal for further purification, which can greatly improve the dust removal effect and dust removal efficiency. This application can save installation space and improve dust removal and purification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is a front view internal schematic diagram of an environmentally friendly dust removal and purification system according to an embodiment of the present invention;

[0023] Figure 2 It is a top view of the internal structure of the environmentally friendly dust removal and purification system according to an embodiment of the present invention;

[0024] Figure 3 It is a side view internal schematic diagram of the spray dust removal mechanism according to an embodiment of the present invention;

[0025] Figure 4 It is a side sectional view of the spray dust removal mechanism according to an embodiment of the present invention;

[0026] Figure 5 It is a side view internal schematic diagram of the electrostatic dust removal mechanism according to an embodiment of the present invention.

[0027] Icon: 1-purification shell, 2-spray dust removal mechanism, 21-first circulation chamber, 22-second circulation chamber, 23-first fan, 24-spray plate, 25-nozzle, 26-guide plate, 27-drain pipe, 28-water supply pipe, 3-dust concentration detection mechanism, 31-first detection chamber, 32-second detection chamber, 33-dust concentration detector, 34-exhaust port, 4-electrostatic dust removal mechanism, 41-third circulation chamber, 42-fourth circulation chamber, 43-second fan, 44-first electrode plate, 45-second electrode plate, 46-dust collecting plate, 5-partition, 6-electric induction device. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described in detail below in conjunction with the drawings in the embodiments of the present application.

[0029] Please refer to Figure 1-Figure 5 , which is a schematic diagram of the overall structure of the environmental protection dust removal and purification system.

[0030] This embodiment provides an environmentally friendly dust removal and purification system, comprising a plate-shaped purification housing 1, in which a spray dust removal mechanism 2, a dust concentration detection mechanism 3 and an electrostatic dust removal mechanism 4 are sequentially arranged along the length direction of the purification housing 1;

[0031] The spray dust removal mechanism 2 includes a plate-shaped spray dust removal chamber, in which a first circulation chamber 21 and a second circulation chamber 22 are arranged in parallel along the width direction thereof, and the first circulation chamber 21 and the second circulation chamber 22 are both divided into a first S-shaped flow channel along the width direction thereof by a partition 5; a spray assembly is arranged at the top of the first S-shaped flow channel, and a drainage assembly is arranged at the bottom of the first S-shaped flow channel; an air inlet end of the first circulation chamber 21 and an air outlet end of the second circulation chamber 22 are located at an end away from the dust concentration detection mechanism 3; a first fan 23 is arranged at the air inlet end of the first circulation chamber 21;

[0032] The electrostatic precipitator mechanism 4 includes a plate-shaped electrostatic precipitator chamber, and the electrostatic precipitator chamber is provided with a third circulation chamber 41 and a fourth circulation chamber 42 in parallel along its width direction. The third annular chamber and the fourth circulation chamber 42 are both divided into a second S-shaped flow channel along their width direction by a partition plate 5; the air outlet end of the third circulation chamber 41 and the air inlet end of the fourth circulation chamber 42 are located at an end away from the dust concentration detection mechanism 3; the air inlet end of the fourth circulation chamber 42 is provided with a second fan 43;

[0033] The dust concentration detection mechanism 3 includes a plate-shaped detection chamber, which is divided into a first detection chamber 31 and a second detection chamber 32 along its width direction. The first detection chamber 31 is respectively connected to the air outlet end of the first circulation chamber 21 and the air inlet end of the third circulation chamber 41; the second detection chamber 32 is respectively connected to the air inlet end of the second circulation chamber 22 and the air outlet end of the fourth circulation chamber 42; dust concentration detectors 33 are respectively provided in the first detection chamber 31 and the second detection chamber 32; the first detection chamber 31 and the second detection chamber 32 are respectively provided with exhaust ports 34 connected to the outside of the purification shell 1, and the exhaust ports 34 are provided with valves.

[0034] Next, an environmentally friendly dust removal and purification system according to this exemplary embodiment will be further described.

[0035] In some embodiments, reference Figure 1 The purification housing 1 is a plate-like structure, and the length and width of the plate-like structure can be set according to the length and width of the top of the building. The purification housing 1 with a plate-like structure is installed on the top of the room, such as the ceiling, or can be directly installed as a suspended ceiling, which can save space. The outer wall of the purification housing 1 can be provided with a connector for installing the purification housing 1 on the top of the room.

[0036] In some embodiments, reference Figure 2The spray dust removal mechanism 2 is arranged at one end of the purification housing 1, and includes a plate-shaped spray dust removal chamber, in which a first circulation chamber 21 and a second circulation chamber 22 are arranged side by side along the width direction thereof, and the first circulation chamber 21 and the second circulation chamber 22 are both divided into a first S-shaped flow channel along the width direction thereof by a partition 5; a spray assembly is arranged at the top of the first S-shaped flow channel, and a drainage assembly is arranged at the bottom of the first S-shaped flow channel; the first S-shaped flow channel enables the dust to form an S-shaped flow path inside, and during the flow process, the dust is sprayed and removed by the spray assembly, and the water is drained by the drainage assembly. The air inlet end of the first circulation chamber 21 and the air outlet end of the second circulation chamber 22 are located at the end away from the dust concentration detection mechanism 3; a first fan 23 is arranged at the air inlet end of the first circulation chamber 21. Since the plate-shaped structure of the spray dust removal chamber has a relatively long width, in order to save energy, a first circulation chamber 21 and a second circulation chamber 22 with opposite circulation directions are provided, and the two circulation chambers can be used separately; the first circulation chamber 21 provided with a first fan 23 continuously sucks in the dust in the room for spray dust removal and purification, while the second circulation chamber 22 can be selectively used according to the dust concentration detection mechanism 3, which can reduce energy consumption and save energy.

[0037] As a preferred implementation method, refer to Figure 1 The top or end of the purification housing 1 is provided with a water supply pipe 28, which is divided into a plurality of branch pipes and respectively communicated with the spray components of the plurality of first S-shaped flow channels. The water supply pipe 28 is arranged at the end, which can reduce the volume of the purification housing 1; the water supply pipe 28 is arranged at the top, which can improve the water supply efficiency, but at this time, the top height of the purification housing 1 needs to be increased according to the actual installation scenario.

[0038] As a preferred implementation method, refer to Figure 3 The spray assembly includes two spray plates 24 connected in a V-shape and provided with a chamber therein. The spray plates 24 are arranged along the length direction of the first S-shaped flow channel, and a plurality of nozzles 25 are connected to the bottom of the spray plates 24. The spray plates 24 connected in a V-shape and the plurality of nozzles 25 are arranged at the bottom can form a water curtain at the top of the first S-shaped flow channel to efficiently spray and remove dust.

[0039] As a preferred implementation method, refer to Figure 4 The drainage assembly includes a guide plate 26 disposed at the bottom of the first S-shaped flow channel, the guide plate 26 is inclined downward toward the end away from the dust concentration detection mechanism 3 and is connected to a drainage pipe 27 at the end; the drainage pipe 27 is connected to the inlet of the filter mechanism and / or the water collection tank, and the outlet of the filter mechanism is connected to the water supply pipe 28. A plurality of inclined guide plates 26 opposite to the first S-shaped flow channel are provided, so that the sprayed water can be quickly discharged and discharged into the water collection tank through the drainage pipe 27, or sent to the filter mechanism for filtration and then recycled to the water supply pipe 28 for spraying and dust removal, which can avoid the waste of water resources.

[0040] Furthermore, the drain pipe 27 and the water supply pipe 28 are respectively connected to an extension pipe, which is installed near the wall in the room, and is used to connect to a water collection tank or a filtering mechanism. Since the purification housing 1 is arranged at the top of the room, water supply or drainage can be carried out through the extension pipe arranged near the wall in the room, and the operation space is not occupied.

[0041] In some embodiments, reference Figure 2 The electrostatic dust removal mechanism 4 includes a plate-shaped electrostatic dust removal chamber, and the electrostatic dust removal chamber is provided with a third circulation chamber 41 and a fourth circulation chamber 42 in parallel along its width direction. The third annular chamber and the fourth circulation chamber 42 are both divided into a second S-shaped flow channel along their width direction by a partition 5; the second S-shaped flow channel can make the dust form an S-shaped flow path inside, thereby improving the electrostatic dust removal effect. The air outlet end of the third circulation chamber 41 and the air inlet end of the fourth circulation chamber 42 are located at the end away from the dust concentration detection mechanism 3; the air inlet end of the fourth circulation chamber 42 is provided with a second fan 43. Since the spray dust removal chamber of the plate-shaped structure has a long width, in order to save energy, it is divided into two circulation chambers. The fourth circulation chamber 42 provided with a second fan 43 continuously inhales dust for electrostatic dust removal, and the other third circulation chamber 41 is selectively used according to the dust concentration detection mechanism 3.

[0042] As a preferred embodiment, the first fan 23 and the second fan 43 are respectively arranged near the opposite sides of the purification housing 1. That is, the first fan 23 and the second fan 43 are staggered, and dust can be adsorbed from two different positions on the top of the room, which can avoid mutual influence and improve the dust purification efficiency.

[0043] As a preferred implementation method, refer to Figure 5 , the second S-shaped flow channel is provided with a first electrode plate 44 and a second electrode plate 45 opposite to each other, the first electrode plate 44 and the second electrode plate 45 are connected to the output end of the alternating high voltage electricity generating device, and the voltage polarities on the first electrode plate 44 and the second electrode plate 45 are opposite; the bottom of the plurality of second S-shaped flow channels is provided with dust collecting plates 46 interconnected with each other, and the dust collecting plates 46 are detachably connected to the bottom of the electrostatic precipitator chamber. The dust passes through the channel between the two alternating voltage electrode plates horizontally, accelerates back and forth in the longitudinal direction, collides and agglomerates with each other, forms larger dust particles, and then falls onto the dust collecting plates 46 below. The dust collecting plates 46 can be adhesive plates, which are pulled out and connected from the outer end of the electrostatic precipitator chamber for easy disassembly and cleaning.

[0044] In some embodiments, reference Figure 2The above-mentioned dust concentration detection mechanism 3 includes a plate-shaped detection chamber, which is divided into a first detection chamber 31 and a second detection chamber 32 along its width direction. The first detection chamber 31 is connected to the air outlet end of the first circulation chamber 21 and the air inlet end of the third circulation chamber 41 respectively; the second detection chamber 32 is connected to the air inlet end of the second circulation chamber 22 and the air outlet end of the fourth circulation chamber 42 respectively; that is, the first detection chamber 31 and the second chamber are respectively opposite to the four circulation chambers at both ends, so that qualified purified gas can be discharged through the detection chamber, or unqualified purified gas can be discharged into the circulation chamber on the opposite side for further purification and dust removal. Dust concentration detectors 33 are respectively provided in the first detection chamber 31 and the second detection chamber 32. The dust concentration detector 33 detects the concentration of dust after one purification to detect whether it is qualified; the first detection chamber 31 and the second detection chamber 32 are respectively provided with exhaust ports 34 connected to the outside of the purification housing 1, and the exhaust ports 34 are provided with valves. When it is detected that the dust concentration meets the standard, the valve can be opened to discharge the dust to the outside through the exhaust port 34. When it is detected that the dust concentration does not meet the standard, the valve will not be opened to allow the dust to continue to flow into the circulation chamber on the opposite side.

[0045] As a preferred embodiment, the air inlet ends of the first circulation chamber 21, the second circulation chamber 22, the third circulation chamber 41 and the fourth circulation chamber 42 are all provided with control valves, which can independently control the opening and closing of the air inlet ends.

[0046] As a preferred implementation method, refer to Figure 1 and Figure 2 , the nozzle 25 is a conductor; the air inlet end of the first S-shaped flow channel opposite to the first fan 23 is provided with an electric induction device 6, the electric induction device 6 and the nozzle 25 are connected to the output end of the alternating high-voltage electric device, and the voltage polarities of the nozzle 25 and the electric induction device 6 are opposite. For example, the electric induction device 6 can be connected to the negative pole of the alternating high-voltage electric device so that the incoming dust is negatively charged, and the nozzle 25 can be connected to the positive pole of the alternating high-voltage electric device so that the spray water is positively charged. When the dust flows to the bottom of the nozzle 25, it is captured by the water mist with positive charge and condensed into larger particles. A part of it is gathered and deposited on the guide plate 26 below and discharged with the spray water, and a part of it continues to flow backward for dust removal and purification, which can further improve the efficiency and effect of spray dust removal and purification.

[0047] As a preferred embodiment, the outer walls of the nozzle 25 and the water supply pipe 28 are provided with an insulating layer to improve safety performance.

[0048] In a specific embodiment, the first fan 23 sucks indoor dust into the first circulation chamber 21, so that it is negatively charged by the electric induction device 6 and flows along the first S-shaped flow channel. The positively charged water curtain formed by the nozzle 25 captures the dust and condenses it into larger particles by the water mist. The dust gathers and settles on the guide plate 26 below and is discharged from the drain pipe 27 with the spray water. After being filtered by the filtering mechanism, it can be transported to the water supply pipe 28 for reuse, or directly flow into the water collection tank for standby. The purified gas purified by the first circulation chamber 21 flows into the first detection chamber 31 for dust concentration detection. If the detection is qualified, it is directly discharged from the exhaust port 34. If the detection is unqualified, the corresponding control valve is opened to allow it to flow into the relative third circulation chamber 41 for further electrostatic dust removal and purification. Similarly, the second fan 43 sucks the indoor dust into the fourth circulation chamber 42, flows along the second S-shaped flow channel, forms larger dust particles through the first electrode plate 44 and the second electrode plate 45, and falls onto the dust collecting plate 46 below. After purification, the purified gas flows to the second detection chamber 32 for dust concentration detection. If the detection is qualified, it is directly discharged from the exhaust port 34. If the detection is unqualified, the corresponding control valve is opened to allow it to flow into the relative second circulation chamber 22 for further spray dust removal and purification.

[0049] In addition, unless otherwise expressly specified or limited, in the embodiments of the present application, if the terms "installation" and "connection" appear, they should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. If the terms "upper", "lower", "left", "right", "inner", "outer", "side" and other directional terms appear, they are only with reference to the direction of the accompanying drawings or the orientation in which the product is usually placed when in use. They are only for the purpose of clearly describing the present application, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as a limitation on the present application. The terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance; "multiple" means at least two. In the embodiments of the present application, the limitations of relative positional relationships such as parallel, vertical, and aligned are all for the current technological level, rather than absolutely strict limitations. A small amount of deviation is allowed, and approximately parallel, approximately vertical, approximately aligned, etc. are all acceptable. For example, A and B are parallel, which means that A and B are parallel or approximately parallel, and the angle between A and B can be between 0 degrees and 10 degrees.

[0050] The above are only some embodiments and implementation methods of the present application. The protection scope of the present application is not limited thereto. In the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Any combination of features in different embodiments is also within the protection scope of the present application. Any changes or substitutions that can be easily thought of by any technician familiar with the field within the technical scope disclosed in the present application should be covered within the protection scope of the present application.

Claims

1. An environmentally friendly dust removal and purification system, characterized in that: It comprises a plate-shaped purification shell, in which a spray dust removal mechanism, a dust concentration detection mechanism and an electrostatic dust removal mechanism are sequentially arranged along the length direction of the purification shell; The spray dust removal mechanism comprises a plate-shaped spray dust removal chamber, wherein the spray dust removal chamber is provided with a first circulation chamber and a second circulation chamber in parallel along its width direction, and the first circulation chamber and the second circulation chamber are both divided into a first S-shaped flow channel along their width direction by a partition; a spray assembly is provided at the top of the first S-shaped flow channel, and a drainage assembly is provided at the bottom of the first S-shaped flow channel; an air inlet end of the first circulation chamber and an air outlet end of the second circulation chamber are located at an end away from the dust concentration detection mechanism; a first fan is provided at the air inlet end of the first circulation chamber; The electrostatic dust removal mechanism includes a plate-shaped electrostatic dust removal chamber, wherein the electrostatic dust removal chamber is provided with a third circulation chamber and a fourth circulation chamber in parallel along its width direction, and the third annular chamber and the fourth circulation chamber are both divided into a second S-shaped flow channel along their width direction by a partition; the air outlet end of the third circulation chamber and the air inlet end of the fourth circulation chamber are located at an end away from the dust concentration detection mechanism; the air inlet end of the fourth circulation chamber is provided with a second fan; The dust concentration detection mechanism includes a plate-shaped detection chamber, which is divided into a first detection chamber and a second detection chamber along its width direction, the first detection chamber is respectively connected to the air outlet end of the first circulation chamber and the air inlet end of the third circulation chamber; the second detection chamber is respectively connected to the air inlet end of the second circulation chamber and the air outlet end of the fourth circulation chamber; dust concentration detectors are respectively provided in the first detection chamber and the second detection chamber; the first detection chamber and the second detection chamber are respectively provided with exhaust ports connected to the outside of the purification shell, and the exhaust ports are provided with valves.

2. The environmentally friendly dust removal and purification system according to claim 1, characterized in that: A water supply pipe is provided at the top or end of the purification shell, and the water supply pipe is divided into a plurality of branch pipes which are respectively connected to the spray components of the plurality of the first S-shaped flow channels.

3. The environmentally friendly dust removal and purification system according to claim 2, characterized in that: The spray assembly includes two spray plates connected in a V-shape and provided with a chamber therein. The spray plates are arranged along the length direction of the first S-shaped flow channel, and a plurality of nozzles are connected to the bottom of the spray plates.

4. The environmentally friendly dust removal and purification system according to claim 2, characterized in that: The drainage assembly includes a guide plate arranged at the bottom of the first S-shaped flow channel, the guide plate is inclined downward toward an end away from the dust concentration detection mechanism and is connected to a drainage pipe at the end; the drainage pipe is connected to the inlet and / or the water collection tank of the filtering mechanism, and the outlet of the filtering mechanism is connected to the water supply pipe.

5. The environmentally friendly dust removal and purification system according to claim 1, characterized in that: The first fan and the second fan are respectively arranged close to opposite sides of the purification housing.

6. The environmentally friendly dust removal and purification system according to claim 3, characterized in that: A first electrode plate and a second electrode plate are provided in the second S-shaped flow channel, which are opposite to each other on the left and right. The first electrode plate and the second electrode plate are connected to the output end of the alternating high-voltage electricity generating device, and the voltage polarities on the first electrode plate and the second electrode plate are opposite; dust collecting plates that are interconnected are provided at the bottom of the plurality of second S-shaped flow channels, and the dust collecting plates are detachably connected to the bottom of the electrostatic precipitator chamber.

7. The environmentally friendly dust removal and purification system according to claim 6, characterized in that: The nozzle is a conductor; an electric induction device is provided at the air inlet end of the first S-shaped flow channel opposite to the first fan, the electric induction device and the nozzle are connected to the output end of the alternating high-voltage electric device, and the voltage polarities of the nozzle and the electric induction device are opposite.

8. The environmentally friendly dust removal and purification system according to claim 1, characterized in that: The outer wall of the purification housing is provided with a connecting piece, and the connecting piece is used to install the purification housing on the indoor top.

9. The environmentally friendly dust removal and purification system according to claim 8, characterized in that: The drainage pipe and the water supply pipe are respectively connected to an extension pipe, the extension pipe is installed at a position close to the wall indoors, and the extension pipe is used to connect to the water collection tank or the filtering mechanism.

10. The environmentally friendly dust removal and purification system according to claim 1, characterized in that: The air inlet ends of the first circulation chamber, the second circulation chamber, the third circulation chamber and the fourth circulation chamber are all provided with control valves.

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