CN216170823U

CN216170823U - Furnace flue gas dust removal and harmful gas cooperative purification device

Info

Publication number: CN216170823U
Application number: CN202122709437.0U
Authority: CN
Inventors: 于涛
Original assignee: Hainan Lvjiajing Environmental Protection Engineering Co ltd
Current assignee: Hainan Lvjiajing Environmental Protection Engineering Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-05
Anticipated expiration: 2031-11-08

Abstract

The utility model provides a furnace flue gas dust removal and harmful gas cooperative purification device, and relates to the technical field of furnace flue gas purification. Including purifying a section of thick bamboo, it is equipped with the heat recovery chamber to purify the bobbin base portion, heat recovery chamber top intercommunication has first diffuser plate, first diffuser plate top is equipped with first filter media and second filter media, second filter media top is equipped with baffle one, a baffle center department intercommunication has the gas-supply pipe, a baffle top is equipped with spray set, the crisscross accuse temperature board that is equipped with in spray set top, accuse temperature board top is equipped with UV photodissociation clarifier, the export intercommunication of UV photodissociation clarifier has the second diffuser plate, second diffuser plate top is equipped with third filter media and fourth filter media, it is equipped with the gas vent to purify the bobbin top. The utility model can recycle the waste heat of the flue gas, is beneficial to energy conservation and environmental protection, can filter out large-particle impurities and oil stains in the flue gas to carry out desulfurization and denitrification, and can oxidize and combine free pollutant molecules and ozone into small-molecule harmless or low-harm compounds by the UV photolysis purifier.

Description

Furnace flue gas dust removal and harmful gas cooperative purification device

Technical Field

The utility model provides a furnace flue gas dust removal and harmful gas cooperative purification device, and relates to the technical field of furnace flue gas purification.

Background

The pollution of the kiln to the atmosphere is caused by flue gas generated by fuel combustion, and the flue gas contains harmful substances such as smoke dust, sulfur, nitrogen oxides and the like. The existing furnace flue gas purification device has single function, and when various harmful gases are purified simultaneously, the purification modules are connected together simply, so that the occupied area is large, the consumed time is long, the influence among the purification modules cannot be coordinated, and the purification effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a furnace flue gas dust removal and harmful gas cooperative purification device which is compact in structure, small in occupied space, good in purification effect and good in practicability.

The utility model provides a furnace flue gas dedusting and harmful gas cooperative purification device, which comprises a purification cylinder, wherein a heat recovery cavity is arranged at the bottom of the purification cylinder, a flue gas pipe is arranged in the heat recovery cavity, the flue gas pipe is spiral, one end of the flue gas pipe penetrates through the side wall of the purification cylinder, the other end of the flue gas pipe penetrates through the top of the heat recovery cavity and is communicated with a first diffusion plate, the first diffusion plate is a hollow plate body and is arranged right above the heat recovery cavity, the upper surface of the first diffusion plate is communicated with a diffusion pipe, the diffusion pipe is uniformly distributed in an annular matrix, a first filter material and a second filter material are sequentially arranged above the first diffusion plate from bottom to top, the diffusion pipe is embedded in the first filter material, a first baffle plate is arranged above the second filter material, a gas pipe is communicated at the center of the first baffle plate, a second baffle plate is fixedly connected with the top of the gas pipe and is uniformly provided with gas holes along the circumferential direction, and a spraying device is arranged above the second baffle plate, spray set intercommunication has the transfer line, transfer line one end and purification section of thick bamboo inner wall rigid coupling, other end run through purification section of thick bamboo inner wall and the intercommunication has the liquid reserve tank, spray set includes the infusion branch pipe that is linked together with the transfer line, infusion branch pipe internal rotation is connected with the bull stick, the rigid coupling has the blade on the bull stick, bull stick one end and transfer line top inner wall rigid coupling, the other end are connected with the shower nozzle through being equipped with the dead lever, rotate through being equipped with sealed bearing between shower nozzle and the infusion branch pipe and be connected, the equidistance is opened on the shower nozzle has out the liquid hole, the transfer line top is crisscross to be equipped with accuse temperature board, accuse temperature board top is equipped with the UV photodissociation clarifier, the export intercommunication of UV photodissociation clarifier has the second diffuser plate, supreme third filter media and the fourth filter media of being equipped with in proper order are followed to second diffuser plate top, the purification section of thick bamboo top is equipped with the gas vent.

The side wall of the heat recovery cavity is communicated with a water inlet and a water outlet, electromagnetic valves are arranged on the water inlet and the water outlet, and a temperature sensor is arranged in the heat recovery cavity.

Semiconductor refrigerating sheets are fixedly connected to the upper surface and the lower surface of the temperature control plate.

The baffle I is fixedly connected with a sewage pumping pump which is communicated with a sewage discharge pipe, and the sewage discharge pipe penetrates through the side wall of the purifying cylinder and extends out of the purifying cylinder.

The gas transmission pipe is provided with a liquid level sensor which is arranged below the gas hole.

The outer wall of the purifying cylinder is fixedly connected with a controller.

A water pump is arranged between the liquid storage tank and the infusion tube.

The second diffusion plate is the same as the first diffusion plate in structure.

The second baffle plate and the gas conveying pipe are coaxially arranged, and the diameter of the second baffle plate is larger than the aperture of the gas conveying pipe.

The utility model has the beneficial effects that:

the utility model provides a furnace flue gas dust removal and harmful gas cooperative purification device, which can recycle flue gas waste heat through the arrangement of a heat recovery cavity, and is beneficial to energy conservation and environmental protection; large particle impurities and oil stains in the smoke can be filtered through the arrangement of the first filter material and the second filter material; by the arrangement of the spraying device, the flue gas can be desulfurized and denitrified; through the arrangement of the temperature control plate, the smoke can be cooled again to reach the temperature required by the use of the UV photolysis purifier, and free pollutant molecules and ozone can be oxidized and combined into small-molecule harmless or low-harm compounds through the UV photolysis purifier; through the arrangement of the third filter material and the fourth filter material, residual trace harmful gas components can be adsorbed and peculiar smell in the smoke can be removed, so that the emission standard is reached; through the setting of first diffuser plate and second diffuser plate, can make the flue gas more abundant with the filter media contact, promote the filtration purification effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a device for dedusting flue gas and purifying harmful gases in coordination for a kiln.

FIG. 2 is a schematic structural view of a spraying device of the device for dedusting flue gas and purifying harmful gases in coordination in a furnace.

(1, purification cylinder; 2, fourth filter material; 3, third filter material; 4, second diffusion plate; 5, UV photolysis purifier; 6, temperature control plate; 7, spray device; 8, baffle II; 9, air hole; 10, gas pipe; 11, baffle I; 12, second filter material; 13, first filter material; 14, first diffusion plate; 15, heat recovery cavity; 16, flue gas pipe; 17, water outlet; 18, water inlet; 19, diffusion pipe; 20, sewage pump; 21, liquid storage tank; 22, water pump; 23, liquid conveying pipe; 24, exhaust port; 25, blade; 26, spray head; 27, liquid outlet; 28, fixing rod; 29, sealing bearing; 30, rotary rod; 31, controller; 32, branch pipe)

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a furnace flue gas dust removal and harmful gas collaborative purification device, which comprises a purification cylinder 1, wherein a heat recovery cavity 15 is arranged at the bottom of the purification cylinder 1, a flue gas pipe 16 is arranged in the heat recovery cavity 15, the flue gas pipe 16 is spiral, one end of the flue gas pipe 16 penetrates through the side wall of the purification cylinder 1, the other end of the flue gas pipe 16 penetrates through the top of the heat recovery cavity 15 and is communicated with a first diffusion plate 14, the first diffusion plate 14 is a hollow plate body and is arranged right above the heat recovery cavity 15, the upper surface of the first diffusion plate 14 is communicated with a diffusion pipe 19, the diffusion pipe 19 is uniformly distributed in an annular matrix, a first filter material 13 and a second filter material 12 are sequentially arranged above the first diffusion plate 14 from bottom to top, the diffusion pipe 19 is embedded in the first filter material 13, a baffle plate 11 is arranged above the second filter material 12, and a gas pipe 10 is communicated with the center of the baffle plate 11, the top of the gas pipe 10 is fixedly connected with a baffle plate II 8 and is uniformly provided with gas holes 9 along the circumferential direction, a spraying device 7 is arranged above the baffle plate II 8, the spraying device 7 is communicated with a liquid conveying pipe 23, one end of the liquid conveying pipe 23 is fixedly connected with the inner wall of a purification cylinder 1, the other end of the liquid conveying pipe runs through the inner wall of the purification cylinder 1 and is communicated with a liquid storage tank 21, the spraying device 7 comprises a liquid conveying branch pipe 32 communicated with the liquid conveying pipe 23, a rotating rod 30 is rotatably connected in the liquid conveying branch pipe 32, a blade 25 is fixedly connected on the rotating rod 30, one end of the rotating rod 30 is fixedly connected with the inner wall at the top of the liquid conveying pipe 23, the other end of the rotating rod is connected with a spray head 26 through a fixing rod 28, the spray head 26 is rotatably connected with the liquid conveying branch pipe 32 through a sealing bearing 29, liquid outlet holes 27 are equidistantly formed in the spray head 26, temperature control plates 6 are staggered above the liquid conveying pipe 23, and UV photolysis purifiers 5 are arranged above the temperature control plates 6, the export intercommunication of UV photodissociation clarifier 5 has second diffuser plate 4, 4 tops of second diffuser plate are from supreme third filter media 3 and the fourth filter media 2 of being equipped with in proper order down, 1 top of purifying barrel is equipped with gas vent 24.

According to the utility model, the side wall of the heat recovery cavity 15 is communicated with a water inlet 18 and a water outlet 17, electromagnetic valves are arranged on the water inlet 18 and the water outlet 17, and a temperature sensor is arranged in the heat recovery cavity 15.

Semiconductor refrigerating sheets are fixedly connected to the upper surface and the lower surface of the temperature control plate 6.

A sewage pumping pump 20 is fixedly connected to the first baffle 11, the sewage pumping pump 20 is communicated with a sewage discharge pipe, and the sewage discharge pipe penetrates through the side wall of the purification cylinder 1 and extends out of the purification cylinder 1.

In the utility model, the gas transmission pipe 10 is provided with a liquid level sensor which is arranged below the air hole 9.

The outer wall of the purifying cylinder 1 is fixedly connected with a controller 31.

In the present invention, a water pump 22 is provided between the liquid storage tank 21 and the infusion tube 23.

The second diffuser plate 4 and the first diffuser plate 14 have the same structure.

In the utility model, the second baffle 8 and the gas conveying pipe 10 are coaxially arranged, and the diameter of the second baffle 8 is larger than the aperture of the gas conveying pipe 10.

The working principle is as follows: when the utility model is used, the controller 31 sets various parameters, the water inlet 18 is communicated with an external water source, the electromagnetic valve on the heat recovery cavity 15 is closed after cold water is filled in the heat recovery cavity 18 through the water inlet 18, then, the furnace flue gas is conveyed into the flue gas pipe 16, the contact range of the flue gas pipe 16 and cold water for heat exchange is enlarged through the spirally arranged flue gas pipe 16, when the cold water is heated to the preset temperature, the temperature sensor sends a signal to the controller 31, the controller 31 controls the electromagnetic valves on the water inlet 18 and the water outlet 17 to be opened simultaneously, the water inlet 18 continuously inputs the cold water into the heat recovery cavity 15, the water outlet 17 continuously outputs the hot water to the outside, when the water temperature is lower than the preset temperature, the temperature sensor sends a signal to the controller 31, and the controller 31 closes the electromagnetic valves on the water inlet 18 and the water outlet 17, so that hot water with stable temperature can be produced, and the effect of waste heat recovery is achieved.

The flue gas after the preliminary cooling is introduced into the first diffusion plate 14 through the flue gas pipe 16, and then introduced into the first filter material 13 through the diffusion pipes 19 uniformly distributed on the first diffusion plate 14. The first filter material 13 can filter large particle impurities in the flue gas; the second filter material 12 can filter oil stains in the flue gas; the water pump 22 continuously pumps the washing liquid in the liquid storage tank 21 into the liquid conveying pipe 23, the washing liquid is filled into the spray head 26 and is sprayed out from the liquid outlet hole 27 under the action of pressure, meanwhile, the washing liquid continuously washes the blades 25 to drive the rotating rod 30 to rotate, the rotating rod 30 drives the spray head 26 to rotate through the fixing rod 28, so that the spraying range of the washing liquid is enlarged, the washing liquid and the flue gas are mixed more fully, the flue gas is desulfurized and denitrified, waste water and waste residue generated by spraying are blocked by the first baffle plate 11, when a liquid level sensor on the gas conveying pipe 10 senses the waste water, a signal is sent to the controller 31, the controller 31 starts the sewage pump 20 to pump the waste water and waste residue away, the waste water is prevented from flowing through the gas holes 9 to flow backwards, and the second baffle plate 8 plays a role in shielding the gas holes 9; the temperature control plates 6 arranged in a staggered mode increase the flow path of the flue gas, so that the time for cooling the flue gas is prolonged, and the flue gas is cooled to the temperature required by the UV photolysis purifier 5 through the semiconductor refrigerating sheets on the temperature control plates 6; the UV photolysis purifier 5 irradiates malodorous gas by using a special high-energy high-ozone UV light beam, can crack the malodorous gas (such as ammonia, trimethylamine, hydrogen sulfide, methylthio hydrogen, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide, molecular bonds of styrene, sulfide, VOCs, benzene, toluene and xylene, and the like), and oxidizes and combines pollutant molecules in a free state with ozone to form small-molecule harmless or low-harmful compounds; the flue gas purified by the UV photolysis purifier 5 is introduced into the second diffusion plate 4, and is introduced into the third filter material 3 through the diffusion pipes 19 uniformly distributed on the second diffusion plate 4, so that the third filter material 3 can adsorb a small amount of residual harmful gas in the flue gas; the fourth filter material 2 can remove peculiar smell in the smoke, so that the smoke reaches the emission standard; finally, the flue gas is discharged through the exhaust port 24, so that the dust removal of the flue gas of the kiln and the purification of various harmful gases are completed.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a stove flue gas dust removal and harmful gas purifier in coordination which characterized in that: including purifying a section of thick bamboo (1), it is equipped with heat recovery chamber (15) to purify section of thick bamboo (1) bottom, be equipped with flue gas pipe (16) in heat recovery chamber (15), flue gas pipe (16) are the heliciform, flue gas pipe (16) one end is run through and is purified a section of thick bamboo (1) lateral wall, the other end runs through heat recovery chamber (15) top and communicates there is first diffuser plate (14), first diffuser plate (14) are the cavity plate body and set up directly over heat recovery chamber (15), first diffuser plate (14) upper surface intercommunication has diffuser pipe (19), diffuser pipe (19) are annular matrix evenly distributed, supreme first filter media (13) and the second filter media (12) of being equipped with in proper order down in first filter media (13) are inlayed to diffuser pipe (19), second filter media (12) top is equipped with baffle (11), baffle (11) center department intercommunication has gas-supply pipe (10), the device is characterized in that a baffle II (8) is fixedly connected to the top of the gas conveying pipe (10) and air holes (9) are uniformly formed in the baffle II (8) along the circumferential direction, a spraying device (7) is arranged above the baffle II (8), the spraying device (7) is communicated with a liquid conveying pipe (23), one end of the liquid conveying pipe (23) is fixedly connected with the inner wall of the purification cylinder (1), the other end of the liquid conveying pipe (23) penetrates through the inner wall of the purification cylinder (1) and is communicated with a liquid storage tank (21), the spraying device (7) comprises a liquid conveying branch pipe (32) communicated with the liquid conveying pipe (23), a rotating rod (30) is rotatably connected in the liquid conveying branch pipe (32), blades (25) are fixedly connected to the rotating rod (30), one end of the rotating rod (30) is fixedly connected with the inner wall of the top of the liquid conveying pipe (23) and the other end of the liquid conveying pipe (23) through a fixing rod (28), and the nozzle (26) is rotatably connected with the liquid conveying branch pipe (32) through a sealing bearing (29), the utility model discloses a filter material, including shower nozzle (26), shower nozzle (23), control temperature board (6) top is equipped with UV photodissociation clarifier (5), the export intercommunication of UV photodissociation clarifier (5) has second diffuser plate (4), supreme third filter media (3) and fourth filter media (2) of being equipped with in proper order are followed to second diffuser plate (4) top, it is equipped with gas vent (24) to purify a section of thick bamboo (1) top.

2. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: the side wall of the heat recovery cavity (15) is communicated with a water inlet (18) and a water outlet (17), electromagnetic valves are arranged on the water inlet (18) and the water outlet (17), and a temperature sensor is arranged in the heat recovery cavity (15).

3. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: semiconductor refrigerating sheets are fixedly connected to the upper surface and the lower surface of the temperature control plate (6).

4. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: the sewage pump (20) is fixedly connected to the first baffle (11), the sewage pump (20) is communicated with a sewage discharge pipe, and the sewage discharge pipe penetrates through the side wall of the purification cylinder (1) and extends out of the purification cylinder (1).

5. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: and a liquid level sensor is arranged on the gas transmission pipe (10) and is arranged below the gas hole (9).

6. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: the outer wall of the purification cylinder (1) is fixedly connected with a controller (31).

7. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: a water pump (22) is arranged between the liquid storage tank (21) and the infusion tube (23).

8. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: the second diffusion plate (4) and the first diffusion plate (14) are identical in structure.

9. The device for dedusting and cooperatively purifying the flue gas and the harmful gas in the kiln according to claim 1, is characterized in that: the second baffle (8) and the gas conveying pipe (10) are coaxially arranged, and the diameter of the second baffle (8) is larger than the aperture of the gas conveying pipe (10).