A waste gas filtering mechanism of a solid waste treatment device

Abstract

The application discloses a kind of waste gas filtering mechanism of solid waste treatment equipment, and relates to waste gas filtering technical field.The waste gas filtering mechanism of solid waste treatment equipment includes purification tower and water filtering mechanism, and the waste gas particles are removed and transferred to the water filtering mechanism by the purification tower, and the purification tower includes tower body, water dispersion system, magnetic powder feeding pipe and open water tank are arranged in the tower body.The water circulating system formed by water pump, water suction pipe and pump pipe retransmits filtered clean water in water storage tank to spray head, realizes the closed loop reuse of water resources, greatly reduces the water consumption caused by continuous spraying, and at the same time, the particles are adsorbed to form floc by magnetic powder, and the hierarchical filtration of two groups of overflow mechanisms and the magnetic powder recovery design of magnetic rotating drum are matched, so that the particles in wastewater and magnetic powder are efficiently separated, and the cumbersome filtering step in traditional treatment is saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste gas filtration, in particular to a waste gas filtration mechanism of solid waste treatment equipment. BACKGROUND

[0002] In the process of solid waste treatment, a large amount of waste gas containing particles will be generated, and if the waste gas is directly discharged, it will cause serious pollution to the environment. As a pre-treatment program, the treatment of particles in waste gas is a crucial step. The traditional particle removal program adopts a water spraying method to treat waste gas, but wastewater treatment is a big problem, and continuous water spraying causes excessive consumption of water resources. The filtration of particles in wastewater also requires complicated steps. Therefore, a new solution is proposed to improve the above problems. SUMMARY

[0003] The purpose of the present application is to provide a waste gas filtration mechanism of solid waste treatment equipment to solve the problems raised in the background.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a waste gas filtration mechanism of solid waste treatment equipment, comprising:

[0005] The purification tower and the water filtration mechanism are used to remove waste gas particles and transfer them to the water filtration mechanism.

[0006] The purification tower comprises a tower body, a water dispersion system, a magnetic powder feeding pipe and an open water tank are arranged in the tower body. The tower body makes the waste gas particles sink and fall into the open water tank through the water dispersion system. The open water tank flows into the water filtration mechanism in an overflow state. The water filtration mechanism is provided with an overflow structure. A magnetic powder recovery assembly is arranged at the overflow mechanism to recover the magnetic powder.

[0007] Further to this scheme, the water dispersion system comprises two groups of spray heads arranged above and below. Each group of spray heads is provided below with a group of diffusion plates mounted on the inner wall of the tower body. Each group of diffusion plates is arranged along the circumference of the inner wall of the tower body, and the diffusion plates are all inclined. The number of each group of spray heads corresponds to the number of diffusion plates and is opposite to the corresponding diffusion plates to improve the contact between waste gas particles and water.

[0008] Further to this scheme, the open water tank is in the shape of a ring body, a hole is formed in the middle, a magnetic powder feeding pipe is installed at the tower body, and the discharge section of the magnetic powder feeding pipe is located above the open water tank.

[0009] Further to this scheme, the purification tower is provided with a stirring shaft, a stirring paddle is installed at the top of the stirring shaft for stirring the open water tank, and a driving source is arranged at the bottom end of the stirring shaft for driving the stirring shaft.

[0010] Further to the scheme, the water filtering mechanism comprises a water storage tank, one end of which is located directly below the tower body, the stirring shaft is connected with the driving source after penetrating through the bottom of the water storage tank, and the water storage tank is inclined towards the other end bottom at the position directly below the tower body.

[0011] Further to the scheme, the overflow mechanism is provided with two groups, each group of overflow mechanism comprises a baffle one and a baffle two, the baffle one is fixed with the bottom of the water storage tank pool, the baffle two is installed between the two side inner walls of the water storage tank and the bottom height is not higher than the top height of the baffle one, and the gap is provided between the baffle one and the baffle two.

[0012] Further to the scheme, the magnetic powder recovery assembly comprises a magnetic rotating drum, which is arranged between the gap between the baffle one and the baffle two, the lowest height of the magnetic rotating drum is lower than the top height of the baffle one, a scraper is fixed between the two side inner walls of the water storage tank, one side of the scraper is connected with the magnetic rotating drum in sliding mode, and a water overflow groove is further fixed between the two side inner walls of the water storage tank.

[0013] Further to the scheme, the water overflow groove is located on the other side of the scraper, a conveying belt is arranged on one side outside the water storage tank, the bottom wall of the water overflow groove is inclinedly arranged and one end is directly above the conveying belt, and the conveying belt is used for recovering the magnetic powder.

[0014] Further to the scheme, a water pump is arranged on the outside of the water storage tank, a water pumping pipe and a pump water pipe are respectively arranged on the water inlet end and the water outlet end of the water pump, the water pumping pipe is communicated with the inside of the water storage tank and is far away from the purification tower, the water pumping pipe extends towards the purification tower and is provided with an interface one and an interface two connected with the spray head.

[0015] Further to the scheme, the tower body is provided with an air inlet near the bottom end for receiving waste gas, the top end of the tower body is an exhaust port, and a plurality of windows are arranged on the tower body for observing the inside of the tower body.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] The waste gas filtering mechanism of the solid waste treatment equipment comprises a water circulation system formed by the water pump, the water pumping pipe and the pump water pipe, filtered clean water in the water storage tank is retransported to the spray head, the closed loop reuse of water resources is realized, the water resource consumption caused by continuous spraying is greatly reduced, at the same time, the particles are formed into flocs by means of the magnetic powder adsorption, the hierarchical filtration of the two groups of overflow mechanisms and the magnetic powder recovery design of the magnetic rotating drum, the particles in the waste water are efficiently separated from the magnetic powder, the cumbersome filtering step in the traditional treatment is saved, the waste water treatment process is simplified, and the problem of waste water treatment difficulty is solved.

[0018] Meanwhile, the stepped water curtain formed by the upper and lower groups of nozzles and the diffusion plate prolongs the contact time of the waste gas and the water, and in combination with the adsorption effect of the magnetic powder on fine particles, the particle removal effect is significantly improved, and the problem of insufficient capture of fine particles by the traditional single water spraying is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 It is a schematic diagram of the left shaft side structure of the present application;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the present application.

[0022] In the figure: 1, purification tower; 101, tower body; 102, window; 103, diffusion plate; 104, nozzle; 105, magnetic powder feeding pipe; 106, gas inlet; 2, water filtering mechanism; 201, water storage tank; 202, baffle one; 203, baffle two; 204, magnetic rotary drum; 205, scraper; 206, overflow tank; 3, conveying belt; 4, water pump; 5, water suction pipe; 6, water pumping pipe; 7, interface one; 8, interface two; 9, open water tank; 10, stirring shaft; 11, driving source; 12, stirring paddle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] As Figure 1 shown, the present application provides a technical solution: a waste gas filtering mechanism of a solid waste treatment equipment, comprising:

[0025] The purification tower 1 is used for removing waste gas particles and transferring them to the water filtering mechanism 2. The purification tower 1 is the core link of waste gas treatment, and realizes efficient capture of particles through internal multiple groups of collaborative structures. The water filtering mechanism 2 receives the particle-containing mixed liquid discharged from the purification tower 1, and completes solid-liquid separation and resource recycling by means of overflow and magnetic powder recovery. The two form a coherent treatment process, ensuring efficient operation of the whole chain from the entry of waste gas to the discharge after purification, and from the capture of particles to the recycling.

[0026] As Figure 3As shown, to ensure the smooth implementation of this embodiment, it is necessary to understand that the water dispersion system includes two groups of upper and lower spray heads 104, each group of spray heads 104 is provided below a group of diffusion plates 103 installed on the inner wall of the tower body 101, each group of diffusion plates 103 is arranged along the circumference of the inner wall of the tower body 101, and the diffusion plates 103 are all inclined, the number of each group of spray heads 104 corresponds to the number of diffusion plates 103 and is opposite to the corresponding diffusion plate 103 to improve the contact between waste gas particles and water.

[0027] The two groups of upper and lower spray heads 104 form a stepped water curtain, the water sprayed by the lower spray heads 104 is dispersed by the upper layer of diffusion plates 103 and preliminarily contacts with the rising waste gas, and the upper spray heads 104 perform secondary treatment on the particles that are not captured, the inclined diffusion plates 103 not only guide the water flow into a uniform film, but also change the flow path of the waste gas to prolong the contact time, and the one-to-one correspondence between the spray heads 104 and the diffusion plates 103 can avoid local insufficient contact caused by water flow concentration, and further improve the fusion efficiency of the particles and water.

[0028] As shown in Figure 1 and Figure 3 To ensure the smooth implementation of this embodiment, it is necessary to understand that the open water tank 9 is in the shape of a ring body, a hole is formed in the middle, and a magnetic powder feeding pipe 105 is installed at the tower body 101, and the discharge end of the magnetic powder feeding pipe 105 is located above the open water tank 9.

[0029] The ring-shaped open water tank 9 can uniformly collect the falling water flow containing particles along the inner wall of the tower body 101, and the hole design in the middle provides an upward channel for the waste gas that is not captured by the lower water curtain, so that it enters the upper treatment area, the magnetic powder feeding pipe 105 accurately feeds the magnetic powder into the water tank, combines with the particles by using the adsorption characteristics of the magnetic powder, increases the weight of the particles, and promotes the rapid precipitation of the particles in the water tank, and the ring structure ensures that the mixing range of the magnetic powder and the water flow covers the entire cross section of the water tank, avoiding the influence of local uneven concentration on the precipitation effect.

[0030] As shown in Figure 3 To ensure the smooth implementation of this embodiment, it is necessary to understand that the purification tower 1 is provided with a stirring shaft 10, and the stirring shaft 10 is provided with a stirring paddle 12 at the top for stirring the open water tank 9, and a driving source 11 is arranged at the bottom end of the stirring shaft 10 for driving the stirring shaft 10.

[0031] The rotation of the stirring paddle 12 can fully mix the water, particles and magnetic powder in the open water tank 9, prevent the magnetic powder from agglomerating and precipitating due to standing, and ensure that the magnetic powder can uniformly adsorb the particles, and the water flow disturbance generated by stirring can also avoid the accumulation of particles at the bottom of the water tank, so that the mixed liquid maintains a uniform state when overflowing, and the driving source 11 controls the stirring speed through stable power output, which not only ensures the mixing effect, but also prevents the particles from being resuspended into the rising gas flow due to excessive speed.

[0032] As Figure 3 shown, to ensure the smooth implementation of this embodiment, it is necessary to understand that the water filtering mechanism 2 includes a water storage tank 201, one end of which is located directly below the tower body 101, the stirring shaft 10 is connected with the driving source 11 after passing through the bottom of the water storage tank 201, and the water storage tank 201 is inclined to the other end bottom with respect to the place below the tower body 101.

[0033] The inclined design of the water storage tank 201 guides the mixed liquid overflowing from the open water tank 9 to flow away from the tower body 101 by gravity, and the part located directly below the tower body 101 can directly receive the falling mixed liquid, avoiding splashing loss. The connection part of the stirring shaft 10 and the bottom of the water storage tank 201 adopts a sealing structure to prevent liquid leakage, and the inclined bottom is convenient for cleaning and maintenance, reducing impurity residues.

[0034] As Figure 3 shown, to ensure the smooth implementation of this embodiment, it is necessary to understand that the overflow mechanism is provided with two groups, each group of overflow mechanism includes baffle one 202 and baffle two 203, baffle one 202 is fixed with the bottom of water storage tank 201, baffle two 203 is installed between the two side inner walls of water storage tank 201 and the bottom height is not higher than the top height of baffle one 202, gap is set between baffle one 202 and baffle two 203, two groups of overflow mechanism form a hierarchical filtering structure, mixed liquid first contacts the first group of baffle, baffle one 202 blocks larger particles to precipitate, and liquid overflows from the gap to the side of baffle two 203, the second group of baffle further intercepts the remaining impurities, and the filtering precision is improved through two times of interception. The bottom height design of baffle two 203 ensures that the liquid can overflow smoothly, avoiding water flow impact caused by too large water level difference, and the existence of gap provides installation space for magnetic powder recovery assembly, so that the magnetic powder is effectively captured in the flowing process.

[0035] As Figure 2 and Figure 3 shown, to ensure the smooth implementation of this embodiment, it is necessary to understand that the magnetic powder recovery assembly includes a magnetic rotating drum 204, which is arranged between the gap between baffle one 202 and baffle two 203. The lowest height of the magnetic rotating drum 204 is lower than the top height of baffle one 202. A scraper 205 is fixed between the two side inner walls of the water storage tank 201, one side of which is in sliding connection with the magnetic rotating drum 204. A magnetic rotating drum 204 is also fixed between the two side inner walls of the water storage tank 201, and the magnetic rotating drum 204 is partially immersed in the mixed liquid flowing through the gap. The magnetic powder containing particles is adsorbed by magnetic force. The design of the lower part of the baffle one 202 ensures full contact with the liquid. With the rotation of the drum, the adsorbed magnetic powder is taken away from the liquid surface. The sliding contact of the scraper 205 with the drum can scrape the magnetic powder from the drum surface, realizing the separation of the magnetic powder and the liquid, and ensuring the uniform and reliable powder scraping effect.

[0036] AsFigure 2 and Figure 3 As shown, to ensure the smooth implementation of this embodiment, it is necessary to understand that an overflow trough 206 is also fixed between the inner walls of both sides of the water storage tank 201. The overflow trough 206 is located on the other side of the scraper 205. A conveyor belt 3 is provided on one side of the outside of the water storage tank 201. The bottom wall of the overflow trough 206 is inclined, and one end is directly above the conveyor belt 3. The conveyor belt 3 is used to recover magnetic powder. The magnetic powder scraped off by the scraper 205 falls into the overflow trough 206. The inclined bottom wall causes the magnetic powder to slide towards the conveyor belt 3 under the action of gravity, avoiding accumulation in the trough. The position design of the overflow trough 206 ensures that the magnetic powder can fall accurately into the conveyor belt 3. The conveyor belt 3 then transports the recovered magnetic powder to a designated position, which is convenient for re-injection into the magnetic powder feeding pipe 105 for recycling, forming a closed-loop magnetic powder recovery system and reducing resource waste.

[0037] like Figure 2 As shown, to ensure the smooth implementation of this embodiment, it is necessary to understand that a water pump 4 is installed on the outside of the water storage tank 201. The water pump 4 has a water inlet pipe 5 and a water outlet pipe 6 installed at its inlet and outlet ends, respectively. The water inlet pipe 5 is connected to the inside of the water storage tank 201 and is away from the purification tower 1. The water inlet pipe 5 extends towards the purification tower 1 and is provided with interface 1 7 and interface 2 8 to connect to the nozzle 104. The water pump 4 draws filtered clean water from the water storage tank 201 through the water inlet pipe 5 and delivers it to the nozzle 104 through the water outlet pipe 6, realizing the recycling of water resources. The design of the water inlet pipe 5 being away from the purification tower 1 ensures that the water drawn is clean water that has been filtered multiple times, reducing the clogging of the nozzle 104 by impurities. Interface 1 7 and interface 2 8 are respectively connected to the upper and lower sets of nozzles 104, and the water supply of the two sets of nozzles 104 can be adjusted according to the processing needs to ensure the stable operation of the water diffusion system. At the same time, the connection parts of the pipeline adopt a sealed design to prevent water leakage from affecting the efficiency of the equipment.

[0038] To ensure the smooth implementation of this embodiment, it is necessary to understand that the tower body 101 has an air inlet 106 near its bottom for receiving waste gas, and an outlet at the top. Several windows 102 are provided on the tower body 101 for observing its interior. The air inlet 106 is designed so that the waste gas enters from the bottom of the tower body 101 and flows upwards, forming a counter-current contact with the downward-sprayed water flow, thus improving particle capture efficiency. The outlet at the top is used to discharge purified gas. The windows 102 are distributed at different heights of the tower body 101, facilitating operators to observe the spraying status of the water dispersion system, the liquid level in the open water tank 9, and particle sedimentation, enabling timely detection and handling of any abnormalities in equipment operation.

[0039] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended embodiments and their equivalents.

Claims

1. A waste gas filtration mechanism for a solid waste treatment device, characterized in that, include: Purification tower (1) and water filtration mechanism (2), the purification tower (1) is used to remove exhaust gas particles and transfer them to the water filtration mechanism (2); The purification tower (1) includes a tower body (101), in which a water dispersion system, a magnetic powder feeding pipe (105) and an open water tank (9) are provided. The tower body (101) causes the exhaust gas particles to sink and fall into the open water tank (9) through the water dispersion system. The open water tank (9) overflows into the water filtration mechanism (2). The water filtration mechanism (2) is provided with an overflow mechanism. A magnetic powder recovery component is provided at the overflow mechanism. The magnetic powder is recovered through the magnetic powder recovery component. The overflow mechanism is provided in two sets. Each set of overflow mechanism includes a first baffle (202) and a second baffle (203). The first baffle (202) is fixed to the bottom of the water storage tank (201). The second baffle (203) is installed between the inner walls on both sides of the water storage tank (201) and its bottom height is not higher than the top height of the first baffle (202). A gap is provided between the first baffle (202) and the second baffle (203). The magnetic powder recovery assembly includes a magnetic rotating drum (204), which is disposed between the gap between baffle one (202) and baffle two (203). The lowest height of the magnetic rotating drum (204) is lower than the top height of baffle one (202). A scraper (205) is fixed between the inner walls on both sides of the water tank (201), and one side of the scraper (205) is slidably connected to the magnetic rotating drum (204). An overflow trough (206) is fixed between the inner walls of both sides of the water storage tank (201). The overflow trough (206) is located on the other side of the scraper (205). A conveyor belt (3) is provided on one side of the outside of the water storage tank (201). The bottom wall of the overflow trough (206) is inclined, and one end is directly above the conveyor belt (3). The conveyor belt (3) is used to recover magnetic powder.

2. The waste gas filtration mechanism of a solid waste treatment equipment according to claim 1, characterized in that: The water dispersion system includes two sets of nozzles (104) arranged vertically. Each set of nozzles (104) has a set of diffuser plates (103) installed on the inner wall of the tower body (101) below it. Each set of diffuser plates (103) is arranged around the inner wall of the tower body (101) and is inclined. The number of nozzles (104) in each set corresponds to the number of diffuser plates (103) and is directly corresponding to the corresponding diffuser plate (103) to improve the contact between exhaust gas particles and water.

3. The exhaust gas filtration mechanism of a solid waste treatment equipment according to claim 1, characterized in that: The open water tank (9) is ring-shaped with a hole in the middle. A magnetic powder feeding pipe (105) is installed at the tower body (101), and the discharge section of the magnetic powder feeding pipe (105) is located above the open water tank (9).

4. The exhaust gas filtration mechanism of a solid waste treatment equipment according to claim 1, characterized in that: The purification tower (1) is equipped with a stirring shaft (10), and a stirring paddle (12) is installed on the top of the stirring shaft (10) for stirring the open water tank (9). A drive source (11) is provided at the bottom of the stirring shaft (10) for driving the stirring shaft (10).

5. The waste gas filtration mechanism of a solid waste treatment equipment according to claim 1, characterized in that: The water filtration mechanism (2) includes a water storage tank (201). One end of the water storage tank (201) is located directly below the tower body (101). The stirring shaft (10) passes through the bottom of the water storage tank (201) and is connected to the drive source (11). The water storage tank (201) is tilted towards the bottom of the other end of the tower body (101).

6. The exhaust gas filtration mechanism of a solid waste treatment equipment according to claim 1, characterized in that: A water pump (4) is installed on the outside of the water storage tank (201). The water pump (4) has a water inlet pipe (5) and a water outlet pipe (6) installed on its inlet and outlet ends, respectively. The water inlet pipe (5) is connected to the inside of the water storage tank (201) and is far away from the purification tower (1). The water inlet pipe (5) extends toward the purification tower (1) and is provided with interface one (7) and interface two (8) to connect with the nozzle (104).

7. The waste gas filtration mechanism of a solid waste treatment equipment according to claim 1, characterized in that: The tower body (101) has an air inlet (106) near the bottom to receive exhaust gas, and the top of the tower body (101) is an outlet. Several windows (102) are provided on the tower body (101) for observing the inside of the tower body (101).

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