CN215162376U - Carbon black production environment-friendly device - Google Patents
Carbon black production environment-friendly device Download PDFInfo
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- CN215162376U CN215162376U CN202120590755.7U CN202120590755U CN215162376U CN 215162376 U CN215162376 U CN 215162376U CN 202120590755 U CN202120590755 U CN 202120590755U CN 215162376 U CN215162376 U CN 215162376U
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Abstract
The utility model belongs to the technical field of carbon black production devices, in particular to a carbon black production environment-friendly device, which comprises a reaction furnace, wherein the reaction furnace is connected with a heat exchange device, and the heat exchange device is connected with a main bag filter; the heat exchange equipment is also connected with dust removal equipment or/and washing equipment, and valves are respectively arranged between the heat exchange equipment and the dust removal equipment or/and the washing equipment; the dust removing equipment comprises a bag type dust remover; the washing equipment comprises a flue gas washing tower, the flue gas washing tower is connected with a lower liquid pool, the lower liquid pool is connected with water supply equipment, and the water supply equipment is connected with a spray atomization water spray head in the flue gas washing tower. The device ensures the continuity of the carbon black production process and realizes the full utilization of the carbon black tail gas.
Description
Technical Field
The utility model belongs to the technical field of the carbon black apparatus for producing, concretely relates to carbon black production environment-friendly device.
Background
Carbon black is an indispensable important chemical raw material in modern economy, and is widely used in various fields such as rubber, plastics, coatings, printing ink, military industry, communication, electronics, telecommunication, household appliances, cables, optical cables, high-energy batteries, xerography, photosensitive materials, printing and dyeing, papermaking, metallurgy and the like. The development of the carbon black industry promotes the social progress, but also increases the pollution to the living environment of human beings.
The carbon black industry has always been an industry with high energy consumption and high pollution. Along with the rapid development of the automobile industry in China, the demand of carbon black is larger and larger, which is a good opportunity for the development of the carbon black industry and is also a challenge. For the development of the carbon black industry, besides continuously adapting to the market demand, the internal potential of the carbon black needs to be excavated, the energy consumption of the carbon black production is reduced, the waste heat in the carbon black production is fully utilized, and the circulation and the protection of resources are realized.
In the process of carbon black production, the pyrolysis of raw oil can generate CO and H2、H2S、SO2And (4) filtering the waste gas after screening the carbon black by using a bag filter, wherein the waste gas is called carbon black tail gas in a unified way. The carbon black tail gas is a byproduct in the carbon black production process, has the characteristics of low heat value, high moisture content, high sulfur content, high acid dew point and the like, and is commonly called 'lean gas' in the industry. The main components of the carbon black are shown in table 1:
TABLE 1 main component of carbon Black Tail gas (230 ℃ C.)
In order to better utilize the waste heat of the carbon black tail gas, the production line of the carbon black is generally as follows: the coal gas and the air are combusted in the reaction furnace, the injected raw oil reacts with the coal gas and the air to generate carbon black and carbon black tail gas, and the carbon black tail gas enters the main bag filter for secondary separation after entering the heat exchange equipment for heat exchange. However, in the actual carbon black start-up and production process, the temperature of hot flue gas in the reaction furnace is gradually increased, so that the temperature of the flue gas at the beginning is lower, and the flue gas does not meet the process temperature requirement of entering the main bag filter when passing through the heat exchange equipment, so that the flue gas at the beginning is usually diffused at a diffusing port in the industry. However, the system contains carbon black wall-hanging materials, so that on one hand, the unorganized emission of dust-containing gas is caused, and the field environment is influenced; equipment in front of the main bag filter cannot be preheated in the initial starting stage, so that the starting efficiency is influenced; before oil is put into the oil tank, fuel heating is stopped, the bleeding opening is closed, manpower is wasted, the temperature of the system is reduced in the period, and fuel is wasted and the temperature is raised again after the bleeding opening is closed.
SUMMERY OF THE UTILITY MODEL
To current carbon black production technology discontinuous, carbon black tail gas utilization insufficient problem, the utility model provides a carbon black production environment-friendly device, the device have guaranteed the continuity of carbon black production technology, have realized the make full use of carbon black tail gas.
The environment-friendly device for producing the carbon black comprises a reaction furnace, wherein the reaction furnace is connected with a heat exchange device, and the heat exchange device is connected with a main bag filter; the heat exchange equipment is also connected with dust removal equipment or/and washing equipment, and valves are respectively arranged between the heat exchange equipment and the dust removal equipment or/and the washing equipment; the dust removing equipment comprises a bag type dust remover; the washing equipment comprises a flue gas washing tower, the flue gas washing tower is connected with a lower liquid pool, the lower liquid pool is connected with water supply equipment, and the water supply equipment is connected with a spray atomization water spray head in the flue gas washing tower.
Further, the carbon black production environment-friendly device also comprises a main air supply fan, and the main air supply fan is connected with the reaction furnace.
Furthermore, a raw material oil gun is arranged at the front section of the reaction furnace.
Furthermore, the heat exchange equipment comprises an air preheater, a waste heat boiler, a raw oil preheater, a secondary quenching boiler and a venturi tube which are connected in sequence, wherein the venturi tube is respectively connected with the main bag filter, the dust removal equipment or/and the washing equipment.
Further, the raw oil preheater comprises a high-temperature raw oil preheater and a low-temperature raw oil preheater which are connected in sequence.
Furthermore, the main bag filter is connected with a tail gas pressurizing fan, the tail gas pressurizing fan is connected with a heat exchanger, and the heat exchanger is connected with a dehydration tower.
Further, the bag type dust collector is provided with a PTFE (polytetrafluoroethylene) coated acid-resistant aramid felt filter bag or a PTFE coated acid-resistant glass fiber fabric filter bag. The PTFE film-coated filter bag has the characteristics of high efficiency, low pressure loss, large dust holding capacity, long service life and the like, and can effectively trap particles with the particle size of more than 0.3 mu m, and the efficiency reaches more than 99.99 percent.
Furthermore, a metal corrugated filler is arranged in the flue gas washing tower, and spray atomizing water nozzles are arranged above and below the filler. The upper-layer spray atomizing water spray head of the filler mainly acts on inhibiting smoke dust, and the lower-layer spray atomizing water spray head of the filler mainly acts on cooling.
Further, the valve is an electric valve.
Furthermore, the dust removing equipment further comprises an ash receiving device, and the ash receiving device is arranged below the bag type dust remover.
The utility model has the advantages that:
1. the utility model provides a carbon black production environment-friendly device can make full use of carbon black tail gas to be fuel and utilize its waste heat to heat the heat transfer to other equipment, has realized the cyclic utilization of resource.
2. The device is provided with dust removal equipment or/and washing equipment, solves the problem that the flue gas is diffused due to low temperature in the early stage, ensures the continuity of the carbon black production process, and improves the working efficiency.
3. The washing equipment of the device realizes the collection and the recycling of the condensed water at the same time, and saves water resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an environmental protection apparatus for carbon black production according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of an environmental protection apparatus for carbon black production according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of an environment-friendly device for carbon black production in embodiment 3 of the present invention.
In the figure, 1-a reaction furnace, 2-a raw material oil gun, 3-a main air supply fan, 4-an air preheater, 5-a waste heat boiler, 6-a high-temperature raw material oil preheater, 7-a low-temperature raw material oil preheater, 8-a secondary quenching boiler, 9-a venturi tube, 10-a main bag filter, 11.1-a first electric valve, 11.2-a second electric valve, 12-a tail gas pressurizing fan, 13-a heat exchanger, 14-a dehydration tower, 15-a bag type dust remover, 16-an ash receiving device, 17-a flue gas washing tower, 18-a liquid discharging pool and 19-water supply equipment.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the embodiment of the utility model provides a carbon black production environment-friendly device, including the main air feed machine 3, reacting furnace 1, air preheater 4, exhaust-heat boiler 5, high temperature raw oil preheater 6, low temperature raw oil preheater 7, secondary quenching boiler 8, venturi 9 that connect gradually, 1 anterior segment of reacting furnace is equipped with raw materials oil gun 2, venturi 9 connects main bag filter 10 and dust collecting equipment respectively, is equipped with motorised valve one 11.1 on the pipeline of venturi 9 and dust collecting equipment; the main bag filter 10 is sequentially connected with a tail gas pressurizing fan 12, a heat exchanger 13 and a dehydration tower 14; the dust removing equipment comprises a bag type dust remover 15, an ash receiving device 16 is arranged below the bag type dust remover 15, and the bag type dust remover 15 is provided with a PTFE (polytetrafluoroethylene) coated acid-resistant aramid fiber felt filter bag.
The working process is as follows: the coal gas and the air provided by the main air supply machine 3 are stably combusted in the reaction furnace 1, the raw material oil gun 2 sprays raw material oil into high-temperature and high-speed airflow after being heated and preheated, so that carbon black and carbon black tail gas are generated, the carbon black flue gas immediately enters the air preheater 4, the air sent by the main air supply machine 3 is heated in a counter-current manner, meanwhile, the temperature of the carbon black flue gas is reduced, the carbon black flue gas enters the waste heat boiler 5 as fuel to generate saturated steam, the saturated steam enters a plant steam header pipe, the carbon black flue gas enters the high-temperature raw material oil preheater 6 and the low-temperature raw material oil preheater 7 which are connected in series to heat the raw material oil, the carbon black flue gas enters the secondary quenching boiler 8 after exiting from the low-temperature raw material oil preheater 7 to generate saturated steam, the saturated steam is quenched again through the venturi tube 9 to reduce the temperature and improve the atomization effect, and then enters the main bag filter 10.
When the temperature of the carbon black tail gas is low at the beginning of the working period of the device, the carbon black tail gas passes through the heat exchange equipment, the process temperature requirement of entering the main bag filter 10 is not met, the electric valve I11.1 needs to be opened at the moment, the carbon black tail gas automatically enters the filter bag of the bag type dust collector 15, smoke and dust are filtered in the inner layer of the filter bag, gas is discharged through the filter bag, the bag type dust collector 15 periodically blows the filter bag through pulse air, dust and dust filtered by the filter bag are separated and collected to the dust collecting device 16.
When the temperature of the subsequent carbon black tail gas rises, the electric valve I11.1 is closed, the carbon black flue gas enters the main bag filter 10 for filtration, the carbon black attached to the filter bag is sent to the heat exchanger 13 and the dehydration tower 14 through the tail gas pressurizing fan 12 for cooling and dehydration, and then sent to a coking plant for use as fuel, and the condensed water is sent to a stokehole process for use by the circulating pump.
Example 2
As shown in fig. 2, the embodiment of the utility model provides a carbon black production environment-friendly device, including the main air feed machine 3, reacting furnace 1, air preheater 4, exhaust-heat boiler 5, high temperature raw oil preheater 6, low temperature raw oil preheater 7, secondary quenching boiler 8, venturi 9 that connect gradually, 1 anterior segment of reacting furnace is equipped with raw materials oil gun 2, venturi 9 connects main bag filter 10 and washing equipment respectively, is equipped with motorised valve two 11.2 on the pipeline of venturi 9 and washing equipment; the main bag filter 10 is sequentially connected with a tail gas pressurizing fan 12, a heat exchanger 13 and a dehydration tower 14; the washing equipment comprises a flue gas washing tower 17, a lower liquid tank 18 and water supply equipment 19 which are sequentially connected, wherein the water supply equipment 19 is connected with the flue gas washing tower 17, metal corrugated packing is arranged in the flue gas washing tower 17, and spray atomizing water nozzles are arranged above and below the packing.
The working process is as follows:
when the temperature of the carbon black tail gas is low at the beginning of the working period of the device, the carbon black tail gas passes through the heat exchange equipment, the process temperature requirement of entering the main bag filter is not met, at the moment, the electric valve II 11.2 needs to be opened, the carbon black tail gas automatically enters the flue gas washing tower 17, the carbon black tail gas and spray water are subjected to full heat exchange through the filler, and the flue gas temperature is reduced; the upper spray atomizing water spray nozzle mainly acts on smoke suppression, and the lower spray atomizing water spray nozzle mainly acts on cooling to collect condensate water in the smoke and enter the lower liquid pool 18, and after standing and purifying, the upper clear water is pumped into the water supply equipment 19 through the water pump to be recycled.
Example 3
As shown in fig. 3, the embodiment of the utility model provides a carbon black production environment-friendly device, including the main air feed machine 3 that connects gradually, reacting furnace 1, air heater 4, exhaust-heat boiler 5, high temperature raw oil preheater 6, low temperature raw oil preheater 7, secondary quenching boiler 8, venturi 9, 1 anterior segment of reacting furnace is equipped with raw materials oil gun 2, venturi 9 connects main bag filter 10, dust collecting equipment and washing equipment respectively, be equipped with motorised valve one 11.1 on the pipeline that venturi 9 and dust collecting equipment are connected, be equipped with motorised valve two 11.2 on the pipeline that venturi 9 and washing equipment are connected; the main bag filter 10 is sequentially connected with a tail gas pressurizing fan 12, a heat exchanger 13 and a dehydration tower 14; the dust removing equipment comprises a bag type dust remover 15, an ash receiving device 16 is arranged below the bag type dust remover 15, and the bag type dust remover 15 is provided with a PTFE (polytetrafluoroethylene) coated acid-resistant glass fiber fabric filter bag; the washing equipment comprises a flue gas washing tower 17, a lower liquid tank 18 and water supply equipment 19 which are sequentially connected, wherein the water supply equipment 19 is connected with the flue gas washing tower 17, metal corrugated packing is arranged in the flue gas washing tower 17, and spray atomizing water nozzles are arranged above and below the packing.
The working process is as follows: at the beginning of the working period of the device, the electric valve I11.1 or the electric valve II 11.2 can be selectively opened according to requirements to treat the carbon black tail gas at the beginning of the working period.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The environment-friendly device for producing the carbon black is characterized by comprising a reaction furnace, wherein the reaction furnace is connected with a heat exchange device, and the heat exchange device is connected with a main bag filter; the heat exchange equipment is also connected with dust removal equipment or/and washing equipment, and valves are respectively arranged between the heat exchange equipment and the dust removal equipment or/and the washing equipment; the dust removing equipment comprises a bag type dust remover; the washing equipment comprises a flue gas washing tower, the flue gas washing tower is connected with a lower liquid pool, the lower liquid pool is connected with water supply equipment, and the water supply equipment is connected with a spray atomization water spray head in the flue gas washing tower.
2. The apparatus of claim 1, further comprising a main blower, wherein the main blower is connected to the reaction furnace.
3. The carbon black production environment-friendly device of claim 1, wherein a raw material oil gun is arranged at the front section of the reaction furnace.
4. The carbon black production environment-friendly device of claim 1, wherein the heat exchange equipment comprises an air preheater, a waste heat boiler, a raw oil preheater, a secondary quenching boiler and a venturi tube which are connected in sequence, and the venturi tube is respectively connected with a main bag filter, a dust removal device or/and a washing device.
5. The apparatus of claim 4, wherein the raw oil preheater comprises a high-temperature raw oil preheater and a low-temperature raw oil preheater connected in series.
6. The carbon black production environment-friendly device of claim 1, wherein the main bag filter is connected with a tail gas pressurizing fan, the tail gas pressurizing fan is connected with a heat exchanger, and the heat exchanger is connected with a dehydration tower.
7. The carbon black production environment-friendly device of claim 1, wherein the bag type dust collector is provided with a PTFE-coated acid-resistant aramid felt filter bag or a PTFE-coated acid-resistant fiberglass fabric filter bag.
8. The environment-friendly device for carbon black production as claimed in claim 1, wherein a metal corrugated filler is arranged in the flue gas washing tower, and spray atomizing water nozzles are arranged above and below the filler.
9. The carbon black production environment-friendly device of claim 1, wherein the valve is an electric valve.
10. The carbon black production environment-friendly device of claim 1, wherein the dust removing equipment further comprises an ash receiving device, and the ash receiving device is arranged below the bag type dust remover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590755.7U CN215162376U (en) | 2021-03-23 | 2021-03-23 | Carbon black production environment-friendly device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590755.7U CN215162376U (en) | 2021-03-23 | 2021-03-23 | Carbon black production environment-friendly device |
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| Publication Number | Publication Date |
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| CN215162376U true CN215162376U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120590755.7U Active CN215162376U (en) | 2021-03-23 | 2021-03-23 | Carbon black production environment-friendly device |
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| CN (1) | CN215162376U (en) |
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- 2021-03-23 CN CN202120590755.7U patent/CN215162376U/en active Active
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