CN214598199U - High-efficient smoke and dust device that purifies of tail gas that burns for refuse power plant - Google Patents

Abstract

The utility model relates to the technical field of waste incineration power generation, in particular to a waste power plant is with burning tail gas high efficiency smoke and dust purification device, which comprises an air inlet pipe, the bottom fixed mounting of air inlet pipe has the gas tank that is linked together, one side fixed mounting of air inlet pipe has a first PH sensor, the lower lateral wall of gas tank has three groups of shunt tubes uniformly and fixedly mounted, the center of the lower lateral wall of gas tank is rotatably mounted with a rotating shaft, the upper lateral wall of rotating shaft is fixedly mounted with a sector plate, one end of rotating shaft far away from the sector plate is fixedly mounted with a step motor; through setting up branch gas tank, aeration pipe and gas pocket for waste gas discharges into the aquatic of handling incasement chamber splendid attire through aeration pipe and gas pocket behind the branch gas tank, and fully contacts with water, makes water adsorb the smoke and dust in the waste gas, and the mode of having avoided the tradition to adopt the sack to remove dust is not only relatively poor in effect, often needs to wash the problem of changing to the sack in addition.

Description

High-efficient smoke and dust device that purifies of tail gas that burns for refuse power plant

Technical Field

The utility model relates to a msw incineration power generation technical field especially relates to a high-efficient smoke and dust device that purifies of tail gas that burns for refuse power plant.

Background

The waste incineration power generation is the work of introducing waste incineration plants and waste incineration equipment, digesting, absorbing and re-creating. Dioxin in household garbage incineration smoke is a problem which is generally concerned by countries in the world in recent years. The dioxin-type hypertoxic substances cause great harm to the environment, the generation and the diffusion of the dioxin-type substances are effectively controlled, and the popularization and the application of the garbage incineration and garbage power generation technology are directly related.

Because the difference of the pH value that can lead to produced waste gas of the kind difference of burning rubbish exists the difference, current waste incineration exhaust treatment device can't deal with the pH value of waste gas in real time and carry out timely processing to the smoke and dust process of traditional sack dust removal in to waste gas is handled, and this kind of mode is not only relatively poor in effect, often needs to wash the change to the sack moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency smoke dust purification device for burning tail gas for a garbage power plant.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a waste power plant used incineration tail gas high-efficiency smoke dust purification device, which comprises an air inlet pipe, wherein a communicated air box is fixedly installed at the bottom end of the air inlet pipe, a first PH sensor is fixedly installed at one side of the air inlet pipe, three groups of shunt tubes are uniformly and fixedly installed on the lower side wall of the air box, a rotating shaft is rotatably installed at the center of the lower side wall of the air box, a sector plate is fixedly installed on the upper side wall of the rotating shaft, a stepping motor is fixedly installed at one end, away from the sector plate, of the rotating shaft, a supporting plate is fixedly installed on the lower side wall of the stepping motor, the supporting plate is fixedly connected with the shunt tubes, a treatment box is arranged below the air box, each group of the shunt tubes is fixedly connected with the treatment box, a baffle is fixedly installed in an inner cavity of the treatment box, three groups of baffles are uniformly and fixedly installed on the upper side wall of the baffle, and one end, away from the air box, is positioned between two adjacent groups of the baffles, solution tanks are fixedly mounted on two sides of the upper side wall of the treatment box, communicated liquid discharge pipes are fixedly mounted on the lower side wall of the solution tank, electric valves are fixedly mounted at one ends of the liquid discharge pipes far away from the solution tank, one ends of the electric valves far away from the liquid discharge pipes penetrate through the upper side wall of the treatment box and extend to a position between two groups of partition plates, liquid distribution boxes are connected to opposite ends of the two groups of liquid discharge pipes, the liquid distribution boxes are fixedly connected with the baffle plates, communicated spray pipes are uniformly and fixedly mounted on the outer side walls of the liquid distribution boxes, air pipes are uniformly and fixedly mounted on the outer side walls of the treatment box, the air pipes penetrate through the treatment box and extend to a position between two adjacent groups of partition plates, a three-way valve is fixedly mounted at one end of the air pipes far away from the inner cavity of the treatment box, an air collection pipe is fixedly mounted at one end of the three-way valve, and a dust removal device is arranged on the lower side wall of the baffle plate, handle the back lateral wall fixed mounting of case and have the outlet duct, the outlet duct is located the below of baffle, handle a lateral wall fixed mounting of case and have the PLC controller, first PH sensor, step motor, electric valve, second PH sensor and three-way valve all with PLC controller electric connection.

Preferably, a return pipe is fixedly installed at one end, far away from the gas collecting pipe, of the three-way valve, and one end, far away from the three-way valve, of the return pipe is fixedly connected with the flow dividing pipe.

Preferably, the dust collector is including dividing the gas case, divide the gas case to be located the below of baffle, the discharge is kept away from the one end of three-way valve with divide gas case fixed connection, the even fixed mounting of the last lateral wall that divides the gas case has the connecting rod, the connecting rod keep away from divide the one end of gas case with baffle fixed connection.

Preferably, the lower side wall of the air distribution box is uniformly and fixedly provided with aeration pipes communicated with each other, and the outer side walls of the aeration pipes are uniformly provided with air holes.

Preferably, adjacent two sets of be equipped with the drain pipe between the baffle, the drain pipe runs through it extends to handle the case the outside of case, the drain pipe is located the top of baffle.

Preferably, the shunt tubes are far away from one side of the air box is provided with a flow guide cone, the lower side wall of the flow guide cone is fixedly provided with a bottom plate, the periphery of the upper side wall of the bottom plate is uniformly and fixedly provided with a connecting ring, and the connecting ring is fixedly arranged on the outer side wall of the shunt tubes.

The utility model provides a pair of high-efficient smoke and dust device that purifies of burning tail gas for refuse power plant, beneficial effect lies in:

1. through setting up first PH sensor, step motor, electric valve and PLC controller, make when waste gas emits into the intake pipe, first PH sensor can carry out the pH valve to the waste gas that the intake pipe inner chamber flows through in real time and detect, and transmit to the PLC controller in real time, the PLC controller is according to the control step motor work of the acid-base of waste gas, and then drive the sector plate and rotate and move, thereby make and open corresponding shunt tubes, make waste gas emit into between corresponding two sets of baffles, the corresponding fluid-discharge tube of simultaneous control is opened, the solution of corresponding solution tank inner chamber passes through the shower and sprays in waste gas, in order to realize handling the advancing of waste gas.

2. Through setting up branch gas tank, aeration pipe and gas pocket for waste gas discharges into the aquatic of handling incasement chamber splendid attire through aeration pipe and gas pocket behind the branch gas tank, and fully contacts with water, makes water adsorb the smoke and dust in the waste gas, and the mode of having avoided the tradition to adopt the sack to remove dust is not only relatively poor in effect, often needs to wash the problem of changing to the sack in addition.

Drawings

FIG. 1 is a sectional view of a high-efficiency smoke and dust purifying device for burning tail gas of a garbage power plant according to the present invention;

FIG. 2 is a bottom view of a partition plate structure of a device for efficiently purifying smoke and dust from incineration exhaust gas of a refuse power plant;

FIG. 3 is a sectional view of the gas tank structure of the incineration exhaust gas high-efficiency smoke and dust purification device for the refuse power plant;

fig. 4 is a view from below of the gas-distributing box structure of the device for efficiently purifying smoke and dust by burning tail gas for a garbage power plant.

In the figure: the device comprises an air inlet pipe 1, a first PH sensor 2, an air box 3, a flow dividing pipe 4, a sector plate 5, a bottom plate 6, a rotating shaft 7, a stepping motor 8, a supporting plate 9, a diversion cone 10, a treatment box 11, a baffle plate 12, a partition plate 13, a solution tank 14, a liquid discharge pipe 15, an electric valve 16, a liquid separating box 17, a spraying pipe 18, a liquid outlet pipe 19, an air pipe 20, a second PH sensor 21, a three-way valve 22, a return pipe 23, a gas collecting pipe 24, a connecting rod 25, a gas dividing box 26, an aeration pipe 27, an air hole 28, an air outlet pipe 29, a PLC (programmable logic controller) 30, a connecting ring 31 and a fixing rod 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a device for efficiently purifying smoke dust from incineration tail gas for a garbage power plant comprises an air inlet pipe 1, a communicated air box 3 is fixedly installed at the bottom end of the air inlet pipe 1, a first PH sensor 2 is fixedly installed at one side of the air inlet pipe 1, three groups of shunt tubes 4 are uniformly and fixedly installed on the lower side wall of the air box 3, a rotating shaft 7 is rotatably installed at the center of the lower side wall of the air box 3, a sector plate 5 is fixedly installed on the upper side wall of the rotating shaft 7, a stepping motor 8 is fixedly installed at one end of the rotating shaft 7 far away from the sector plate 5, a support plate 9 is fixedly installed on the lower side wall of the stepping motor 8, the support plate 9 is fixedly connected with the shunt tubes 4, a treatment box 11 is arranged below the air box 3, each group of shunt tubes 4 is fixedly connected with the treatment box 11, a baffle plate 12 is fixedly installed in an inner cavity of the treatment box 11, three groups of partition plates 13 are uniformly and fixedly installed on the upper side wall of the baffle plate 12, one end of the shunt tubes 4 far away from the air box 3 is located between two adjacent partition plates 13, the air inlet pipe 1 is used for connecting a waste incineration tail gas pipeline of a power plant, so that flue gas can be discharged into an inner cavity of the gas box 3 through the air inlet pipe 1, the first PH sensor 2 is used for detecting the pH value of waste gas flowing through the inner cavity of the air inlet pipe 1 in real time and transmitting the pH value to the PLC controller 30 in real time, the PLC controller 30 controls the stepping motor 8 to be started according to the pH value, and further drives the stepping motor 8 to rotate by a certain angle through the rotating shaft 7, so that the corresponding shunt pipe 4 is opened, so that the waste gas is discharged into a space between the two corresponding groups of partition plates 13 through the shunt pipe 4, and the waste gas is conveniently treated correspondingly,

solution tanks 14 are fixedly mounted on two sides of the upper side wall of the treatment tank 11, liquid discharge pipes 15 communicated with each other are fixedly mounted on the lower side wall of the solution tank 14, electric valves 16 are fixedly mounted at one ends, far away from the solution tanks 14, of the liquid discharge pipes 15, the electric valves 16 penetrate through the upper side wall of the treatment tank 11 and extend to the space between the two groups of partition plates 13, two groups of opposite ends of the liquid discharge pipes 15 are connected with liquid distribution boxes 17, the liquid distribution boxes 17 are fixedly connected with baffle plates 12, communicated spray pipes 18 are uniformly and fixedly mounted on the outer side walls of the liquid distribution boxes 17, the two groups of solution tanks 14 are used for containing slaked lime solution and soda lime solution, after the waste is discharged into the space between the two groups of partition plates 13, the PLC 30 controls the corresponding electric valves 16 to be opened, so that the slaked lime solution or soda lime solution contained in the inner cavities of the two groups of solution tanks 14 is discharged into the inner cavities of the corresponding liquid distribution boxes 17 through the liquid discharge pipes 15, and finally, spraying the acid waste gas or the alkaline waste gas between the two groups of corresponding partition plates 13 through a spraying pipe 18, so as to perform corresponding neutralization treatment on the acid waste gas or the alkaline waste gas between the two groups of partition plates 13.

An air pipe 20 is uniformly and fixedly installed on the outer side wall of the treatment tank 11, the air pipe 20 penetrates through the treatment tank 11 and extends to a position between two adjacent groups of partition plates 13, a three-way valve 22 is fixedly installed at one end of the air pipe 20 far away from the inner cavity of the treatment tank 11, a gas collecting pipe 24 is fixedly installed at one end of the three-way valve 22 far away from the gas collecting pipe 24, a return pipe 23 is fixedly installed at one end of the return pipe 23 far away from the three-way valve 22 and fixedly connected with the flow dividing pipe 4, the three-way valve 22 is used for controlling the flow direction of waste gas discharged from the air pipe 20, a second PH sensor 21 is used for detecting the pH value of the waste gas flowing through the inner cavity of the air pipe 20 and transmitting the pH value to the PLC 30 in real time, when the waste gas treated in the inner cavity of the air pipe 20 does not reach the standard, the PLC 30 controls the three-way valve 22 to be started, so that the waste gas flows back to the inner cavity corresponding to the flow dividing pipe 4 again through the return pipe 23 for treatment, when the pH value of the waste gas reaches the standard, the PLC controller 30 controls the three-way valve 22 to be activated so that the exhaust gas is discharged into the inner cavity of the gas distribution box 26 through the gas collecting pipe 24.

The lower side wall of the baffle 12 is provided with a dust removing device, the dust removing device comprises a gas distribution box 26, the gas distribution box 26 is positioned below the baffle 12, one end of a gas collecting pipe 24, which is far away from a three-way valve 22, is fixedly connected with the gas distribution box 26, an upper side wall of the gas distribution box 26 is uniformly and fixedly provided with a connecting rod 25, one end of the connecting rod 25, which is far away from the gas distribution box 26, is fixedly connected with the baffle 12, a lower side wall of the gas distribution box 26 is uniformly and fixedly provided with a communicated aeration pipe 27, the outer side wall of the aeration pipe 27 is uniformly provided with air holes 28, the rear side wall of the treatment box 11 is fixedly provided with an air outlet pipe 29, the air outlet pipe 29 is positioned below the baffle 12, one side wall of the treatment box 11 is fixedly provided with a PLC (programmable logic controller) 30, the first PH sensor 2, the stepping motor 8, the electric valve 16, the second PH sensor 21 and the three-way valve 22 are electrically connected with the PLC 30, a liquid outlet pipe 19 is arranged between two adjacent groups of baffles 13, the liquid outlet pipe 19 penetrates through the treatment box 11 and extends to the outer side of the treatment box 11, liquid outlet pipe 19 is located the top of baffle 12, and the bottom of handling case 11 is used for splendid attire water, and waste gas is behind the branch gas tank 26 of discharging, discharges into the aquatic through aeration pipe 27 and gas vent 28 to contact with the water composition, and then get rid of the smoke and dust in the waste gas, discharge from outlet duct 29 at last, avoid the tradition to adopt the mode of sack dust removal not only the effect relatively poor, often need wash the change to the sack moreover.

One side that gas tank 3 was kept away from to shunt tubes 4 is equipped with water conservancy diversion awl 10, the lower lateral wall fixed mounting of water conservancy diversion awl 10 has bottom plate 6, even fixed mounting has go-between 31 around the last lateral wall of bottom plate 6, go-between 31 fixed mounting is in the lateral wall of shunt tubes 4, water conservancy diversion awl 10 is used for carrying out the water conservancy diversion to the waste gas of following shunt tubes 4 exhaust for waste gas can be even dispersion between two sets of baffles 13, and then improve the treatment effect to waste gas.

The working principle is as follows: when the utility model is used, the waste gas discharge pipe is connected with the gas inlet pipe 1, so that the waste gas is discharged into the inner cavity of the gas box 3 through the gas inlet pipe 1, the pH value of the waste gas flowing through the inner cavity of the gas inlet pipe 1 can be detected in real time by the first PH sensor 2 when the waste gas flows through the inner cavity of the gas inlet pipe 1, and the waste gas is transmitted to the PLC controller 30 in real time, then the PLC controller 30 controls the stepping motor 8 to be started according to the pH value, and further drives the stepping motor 8 to rotate for a certain angle through the rotating shaft 7, so that the corresponding shunt pipe 4 is opened, the waste gas is discharged into the inner cavity of the corresponding two groups of baffle plates 13 through the shunt pipe 4, meanwhile, the PLC controller 30 controls the corresponding electric valve 16 to be opened, further the solution contained in the inner cavity of the corresponding solution tank 14 is discharged into the inner cavity of the corresponding liquid separating box 17 through the liquid discharge pipe 15, and finally the spraying pipe 18 is sprayed between the corresponding two groups of baffle plates 13, thereby the acid waste gas or the alkaline waste gas between the two groups of baffle plates 13 is neutralized, then the waste gas is discharged into the air pipe 20, meanwhile, the second PH sensor 21 can detect the PH value of the waste gas flowing through the inner cavity of the air pipe 20 and transmit the detected PH value to the PLC controller 30 in real time, when the PH value of the waste gas flowing through the inner cavity of the air pipe 20 does not reach the standard, the PLC controller 30 controls the three-way valve 22 to be started, so that the waste gas flows back to the inner cavity of the corresponding shunt pipe 4 again through the return pipe 23, so as to be treated again, when the PH value of the waste gas reaches the standard, the PLC controller 30 controls the three-way valve 22 to be started, so that the waste gas is discharged into the inner cavity of the air distribution box 26 through the air collecting pipe 24, and then is discharged into the water at the bottom of the inner cavity of the treatment box 11 through the aeration pipe 27 and the air holes 28, so that the waste gas is contacted with the water component, and then the smoke dust in the waste gas is removed, and finally discharged from the air outlet pipe 29.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a refuse power plant is with burning high-efficient smoke and dust purification device of tail gas, includes intake pipe (1), its characterized in that, the bottom fixed mounting of intake pipe (1) has gas tank (3) that are linked together, one side fixed mounting of intake pipe (1) has first PH sensor (2), the even fixed mounting of the lower lateral wall of gas tank (3) has three shunt tubes of group (4), the lower lateral wall center department of gas tank (3) rotates installs pivot (7), the last lateral wall fixed mounting of pivot (7) has sector plate (5), pivot (7) are kept away from the one end fixed mounting of sector plate (5) has step motor (8), the lower lateral wall fixed mounting of step motor (8) has layer board (9), layer board (9) with shunt tubes (4) fixed connection, the below of gas tank (3) is equipped with handles case (11), each group shunt tubes (4) all with handle case (11) fixed connection, the inner chamber fixed mounting who handles case (11) has baffle (12), the even fixed mounting of the last lateral wall of baffle (12) has three group baffle (13), the shunt tubes (4) are kept away from the one end of gas tank (3) is located adjacent two sets of between baffle (13), the equal fixed mounting solution jar (14) in the last lateral wall both sides of handling case (11), the lower lateral wall fixed mounting of solution jar (14) has fluid-discharge tube (15) that is linked together, fluid-discharge tube (15) are kept away from the one end fixed mounting of solution jar (14) has electric valve (16), electric valve (16) are kept away from fluid-discharge tube (15) one end and run through the last lateral wall of handling case (11), and extend to between two sets of baffle (13), two sets of the opposite one end of fluid-discharge tube (15) all is connected with and divides liquid box (17), divide liquid box (17) with baffle (12) fixed connection, the even fixed mounting of lateral wall that divides liquid box (17) has shower (18) that are linked together, the even fixed mounting of lateral wall that handles case (11) has trachea (20), trachea (20) run through handle case (11) and extend to adjacent two sets of between baffle (13), trachea (20) are kept away from handle the one end fixed mounting of case (11) inner chamber has three-way valve (22), the one end fixed mounting of three-way valve (22) has discharge (24), the lower lateral wall of baffle (12) is equipped with dust collector, the back lateral wall fixed mounting who handles case (11) has outlet duct (29), outlet duct (29) are located the below of baffle (12), a lateral wall fixed mounting who handles case (11) has PLC controller (30), first PH sensor (2), The stepping motor (8), the electric valve (16), the second PH sensor (21) and the three-way valve (22) are electrically connected with the PLC controller (30).

2. The device for efficiently purifying smoke and dust from incineration tail gas of a refuse power plant according to claim 1, characterized in that a return pipe (23) is fixedly installed at one end of the three-way valve (22) far away from the gas collecting pipe (24), and one end of the return pipe (23) far away from the three-way valve (22) is fixedly connected with the shunt pipe (4).

3. The device for efficiently purifying flue gas generated by incineration in a refuse power plant according to claim 1, wherein the dust removal device comprises a gas distribution box (26), the gas distribution box (26) is located below the baffle plate (12), one end of the gas collecting pipe (24) far away from the three-way valve (22) is fixedly connected with the gas distribution box (26), a connecting rod (25) is uniformly and fixedly installed on the upper side wall of the gas distribution box (26), and one end of the connecting rod (25) far away from the gas distribution box (26) is fixedly connected with the baffle plate (12).

4. The device for efficiently purifying smoke and dust from incineration tail gas of a refuse power plant according to claim 3, characterized in that aeration pipes (27) communicated with each other are uniformly and fixedly installed on the lower side wall of the gas distribution box (26), and air holes (28) are uniformly formed in the outer side walls of the aeration pipes (27).

5. The device for efficiently purifying smoke and dust from incineration tail gas of a refuse power plant according to claim 1, characterized in that a liquid outlet pipe (19) is arranged between two adjacent groups of partition plates (13), the liquid outlet pipe (19) extends through the treatment tank (11) to the outside of the treatment tank (11), and the liquid outlet pipe (19) is located above the baffle plate (12).

6. The efficient incineration tail gas smoke and dust purification device for the refuse power plant according to claim 1, wherein one side of the shunt pipe (4) far away from the gas tank (3) is provided with a diversion cone (10), a bottom plate (6) is fixedly mounted on the lower side wall of the diversion cone (10), a connecting ring (31) is uniformly and fixedly mounted on the periphery of the upper side wall of the bottom plate (6), and the connecting ring (31) is fixedly mounted on the outer side wall of the shunt pipe (4).

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