CN210845759U

CN210845759U - Pitch flue gas collection processing apparatus in carbon production

Info

Publication number: CN210845759U
Application number: CN201921822876.9U
Authority: CN
Inventors: 高智强; 王广鹏
Original assignee: Jinan Saite Certified Safety Engineer Co ltd
Current assignee: Jinan Saite Certified Safety Engineer Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-26
Anticipated expiration: 2029-10-28

Abstract

The utility model provides a pitch flue gas collection processing apparatus in carbon production, including the incinerator of being connected with pitch flue gas pipeline, the incinerator is through output tube intercommunication have spray column, be equipped with the chimney at spray column's top, be equipped with dust filtration spray treatment mechanism in the chimney, be equipped with waste heat recovery mechanism on the output tube, be equipped with heat preservation mechanism on the outer wall of chimney, waste heat recovery mechanism's heat medium export and refrigerant entry are through pipeline and heat preservation mechanism circulation connection, are equipped with the circulating pump on the pipeline between waste heat recovery mechanism and heat preservation mechanism; the utility model discloses simple structure, convenient to use are worth promoting.

Description

Pitch flue gas collection processing apparatus in carbon production

Technical Field

The utility model relates to a flue gas processing apparatus specifically is a processing apparatus is collected to pitch flue gas in carbon production.

Background

The main raw materials of the carbon product are petroleum coke and coal tar, and a large amount of smoke dust is generated in the production process, mainly comprising carbon dust, asphalt smoke, tar, SO2 and the like, SO that the carbon product is harmful to the environment. Asphalt flue gas processing apparatus in the existing market generally is through the burning back, and rethread spray column sprays and absorbs and handles, and after handling, some water-insoluble dust need collect the processing through the dust sack, but this method blocks up the sack easily, influences the normal emission of waste gas up to standard, and it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a processing apparatus is collected to pitch flue gas in carbon production to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a processing apparatus is collected to pitch flue gas in carbon production, includes the burning furnace of being connected with pitch flue gas pipeline, burn the burning furnace and have the spray column through output tube intercommunication, be equipped with the chimney at the top of spray column, be equipped with dust filtration spray treatment mechanism in the chimney, be equipped with waste heat recovery mechanism on the output tube, be equipped with heat preservation mechanism on the outer wall of chimney, waste heat recovery mechanism's heat medium export and refrigerant entry pass through pipeline and heat preservation mechanism cyclic connection, are equipped with the circulating pump on the pipeline between waste heat recovery mechanism and heat preservation mechanism.

As a further aspect of the present invention: the dust filtering and spraying treatment mechanism consists of a dust removing filter screen arranged at the bottom in the chimney, grating plates arranged in the chimney above the dust removing filter screen at intervals in the vertical direction, ceramic fillers arranged on each grating plate, spraying pipes arranged in the chimney and opposite to each ceramic filler, and a demister arranged in the chimney above the spraying pipe on the uppermost layer; each spray pipe is connected with an external high-pressure pipeline.

As a further aspect of the present invention: the waste heat recovery mechanism consists of a delay cylinder communicated with the output pipe, a first coil pipe wound on the outer wall of the delay cylinder and a first heat-insulating cover arranged on the delay cylinder at the periphery of the first coil pipe; and a heat medium outlet and a refrigerant inlet of the first coil are circularly connected with the heat preservation mechanism through pipelines.

As a further aspect of the present invention: the delay cylinder consists of a cylinder body and a bucket-shaped connecting part which is arranged at two ends of the cylinder body and is in conduction connection with the output pipe; the inner diameter of the barrel is larger than that of the output pipe, and the first coil pipe and the first heat-preservation cover are arranged on the barrel.

As a further aspect of the present invention: the heat preservation mechanism consists of a second coil pipe wound on the outer wall of the chimney and a second heat preservation cover arranged on the chimney at the periphery of the second coil pipe; the second coil pipe is circularly connected with the heating medium outlet and the cooling medium inlet of the first coil pipe through pipelines.

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

after the structure is adopted, the dust-removing filter screen can filter dust which is insoluble in water in the gas through the auxiliary dust spraying mechanism, and then the dust-removing filter screen is sprayed through the spraying pipe, so that the dust-removing filter screen is prevented from being blocked, and the normal emission of the gas is ensured; meanwhile, the auxiliary dust spraying mechanism is arranged in the chimney, so that the occupied area is small, and the cost can be reduced; and through the cooperation of the grid plate, the ceramic filler, the spray pipe and the defroster that set up, after handling the flue gas through the spray tower, can further absorb the processing to the flue gas, guarantee the treatment effect. Through the heat medium export and the refrigerant entry that set up waste heat recovery mechanism pass through pipeline and heat preservation mechanism cyclic connection, usable waste heat heats the heat preservation to the chimney, prevents to use in winter to assist the dust and sprays and freeze when mechanism, increases the suitability of device, and the reducible thermal loss of simultaneous cyclic connection is high-usage. The utility model discloses simple structure, convenient to use are worth promoting.

Drawings

Fig. 1 is a schematic structural diagram of an asphalt flue gas collecting and processing device in carbon production.

Fig. 2 is a schematic structural diagram of a waste heat recovery mechanism in an asphalt flue gas collection and treatment device in carbon production.

Fig. 3 is a schematic structural diagram of the interior of a chimney in an asphalt flue gas collecting and processing device in carbon production.

In the figure: 1. an incinerator; 2. an output pipe; 3. a spray tower; 4. a chimney; 5. a dust filtering and spraying treatment mechanism; 501. a dust removal filter screen; 502. a grid plate; 503. a ceramic filler; 504. a shower pipe; 505. a demister; 6. a waste heat recovery mechanism; 601. a delay cylinder; 602. a first coil pipe; 603. a first heat-insulating cover; 604. a barrel; 605. a bucket shaped connection; 7. a heat preservation mechanism; 701. a second coiled tube; 702. a second heat-insulating cover; 8. and a circulating pump.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, an asphalt flue gas collecting and processing device in carbon production comprises an incinerator 1 connected with an asphalt flue gas pipeline, the incinerator 1 is communicated with a spray tower 3 through an output pipe 2, a chimney 4 is arranged at the top of the spray tower 3, a dust filtering and spraying processing mechanism 5 is arranged in the chimney 4, a waste heat recovery mechanism 6 is arranged on the output pipe 2, a heat preservation mechanism 7 is arranged on the outer wall of the chimney 4, a heat medium outlet and a refrigerant inlet of the waste heat recovery mechanism 6 are circularly connected with the heat preservation mechanism 7 through a pipeline, heat loss can be reduced, the utilization rate is high, and a circulating pump 8 is arranged on the pipeline between the waste heat recovery mechanism 6 and the heat preservation mechanism 7. The dust filtering and spraying treatment mechanism 5 through the setting can adopt the filtering and spraying mutually matched modes to treat dust, ensure the normal emission of waste gas, and simultaneously can recover waste heat through the waste heat recovery mechanism 6 and the heat preservation mechanism 7 which are arranged, thereby avoiding the dust filtering and spraying treatment mechanism 5 to freeze in winter.

Specifically, the dust filtering and spraying treatment mechanism 5 is composed of a dust removing filter screen 501 arranged at the bottom in the chimney 4, grating plates 502 arranged in the chimney 4 above the dust removing filter screen 501 at intervals in the vertical direction, ceramic fillers 503 arranged on each grating plate 502, spray pipes 504 arranged in the chimney 4 and opposite to each ceramic filler 503, and demisters 505 arranged in the chimney 4 above the spray pipes 504 at the uppermost layer; each shower 504 is connected to an external high pressure pipe. The water-insoluble dust in the gas can be filtered through the dust removal filter screen 501, and then the dust removal filter screen 501 is sprayed through the spraying pipe 504, so that the dust removal filter screen 501 is prevented from being blocked, and the normal emission of the gas is ensured; meanwhile, the auxiliary dust spraying mechanism 5 is arranged in the chimney 4, so that the occupied area is small, and the cost can be reduced; and through the cooperation of the grating plate 502, the ceramic filler 503 and the spray pipe 504 that set up, after handling the flue gas through spray column 3, can further absorb the processing to the flue gas, guarantee the treatment effect, then get rid of the fog in the gas through defroster 505.

The waste heat recovery mechanism 6 is composed of a delay cylinder 601 which is communicated with the output pipe 2, a first coil pipe 602 which is wound on the outer wall of the delay cylinder 601, and a first heat-preserving cover 603 which is arranged on the delay cylinder 601 at the periphery of the first coil pipe 602; the heat medium outlet and the refrigerant inlet of the first coil pipe 602 are circularly connected with the heat preservation mechanism 7 through pipelines, so that the waste heat can be recycled, and the energy waste is avoided.

In addition, the delay cylinder 601 is composed of a cylinder body 604 and a bucket-shaped connecting part 605 which is arranged at two ends of the cylinder body 604 and is connected with the output pipe 2 in a conduction way; the inner diameter of the cylinder body 604 is larger than that of the output pipe 2, and the first coil pipe 602 and the first heat-preserving cover 603 are both arranged on the cylinder body 604, so that the speed of gas passing through the delay cylinder 601 can be delayed, and the heat can be conveniently recovered.

The heat preservation mechanism 7 is composed of a second coil pipe 701 wound on the outer wall of the chimney 4 and a second heat preservation cover 702 arranged on the chimney 4 at the periphery of the second coil pipe 701; the second coil pipe 701 is circularly connected with a heat medium outlet and a cold medium inlet of the first coil pipe 602 through pipelines, and the chimney 4 is heated and insulated by utilizing recovered heat, so that the phenomenon that the dust is frozen when the dust filtering and spraying treatment mechanism 5 is used in winter is avoided.

The utility model discloses a theory of operation is: the pitch flue gas is handled the back through burning furnace 1 and spray column 3, discharge through chimney 4 before and handle through dust filtration spray treatment mechanism 5, dust removal filter screen 501 filters the dust that is insoluble in water in the gas, then spray dust removal filter screen 501 through shower 504, prevent to block up dust removal filter screen 501, simultaneously, through the cooperation of the grid plate 502 that sets up, ceramic filler 503 and shower 504, further carry out absorption treatment to the flue gas, then discharge again after getting rid of the fog in the gas through defroster 505. When using in winter, because it is higher to burn burning furnace 1 combustion gas temperature, when getting into spray column 3 and handling, spray equipment in the spray column 3 can not be frozen, but after spraying, gas temperature reduces, when spraying processing mechanism 5 via dust filtration again and removing dust, it is easy to freeze to spray the setting, mutually support between waste heat recovery mechanism 6 and the heat preservation mechanism 7 through setting up, retrieve partly heat, keep warm to chimney 4, dust filtration sprays mechanism 5 and freezes when avoiding using in winter, and the cyclic connection between waste heat recovery mechanism 6 and the heat preservation mechanism 7, reducible heat runs off, energy utilization is high.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a processing apparatus is collected to pitch flue gas in plain production, includes burning furnace (1) with pitch flue gas pipe connection, its characterized in that, burning furnace (1) has spray column (3) through output tube (2) intercommunication, is equipped with chimney (4) at the top of spray column (3), is equipped with dust filtration spray treatment mechanism (5) in chimney (4), is equipped with waste heat recovery mechanism (6) on output tube (2), is equipped with heat preservation mechanism (7) on the outer wall of chimney (4), the heat medium export and the refrigerant entry of waste heat recovery mechanism (6) pass through pipeline and heat preservation mechanism (7) cyclic connection, are equipped with circulating pump (8) on the pipeline between waste heat recovery mechanism (6) and heat preservation mechanism (7).

2. The asphalt flue gas collection and treatment device in carbon production according to claim 1, wherein the dust filtration and spraying treatment mechanism (5) is composed of a dust removal filter screen (501) arranged at the bottom in the chimney (4), grating plates (502) arranged in the chimney (4) above the dust removal filter screen (501) at intervals in the vertical direction, ceramic fillers (503) arranged on each grating plate (502), spray pipes (504) arranged in the chimney (4) and opposite to each ceramic filler (503), and demisters (505) arranged in the chimney (4) above the spray pipes (504) at the uppermost layer; each shower (504) is connected to an external high pressure pipe.

3. The pitch flue gas collection and treatment device in carbon production according to claim 1, wherein the waste heat recovery mechanism (6) is composed of a delay cylinder (601) which is communicated and arranged on the output pipe (2), a first coil pipe (602) which is wound and arranged on the outer wall of the delay cylinder (601), and a first heat preservation cover (603) which is arranged on the delay cylinder (601) at the periphery of the first coil pipe (602); the heat medium outlet and the cold medium inlet of the first coil (602) are circularly connected with the heat preservation mechanism (7) through pipelines.

4. The pitch flue gas collection and treatment device in carbon production according to claim 3, wherein the delay cylinder (601) is composed of a cylinder body (604) and hopper-shaped connecting parts (605) which are arranged at two ends of the cylinder body (604) and are connected with the output pipe (2) in a conduction manner; the inner diameter of the cylinder (604) is larger than that of the output pipe (2), and the first coil pipe (602) and the first heat-preservation cover (603) are arranged on the cylinder (604).

5. The pitch flue gas collection and treatment device in carbon production according to claim 1, wherein the heat preservation mechanism (7) is composed of a second coil pipe (701) wound on the outer wall of the chimney (4) and a second heat preservation cover (702) arranged on the chimney (4) at the periphery of the second coil pipe (701); the second coil (701) is circularly connected with a heating medium outlet and a cooling medium inlet of the first coil (602) through pipelines.