CN217377319U

CN217377319U - Active carbon preparation and mummified coprocessing device of chicken manure

Info

Publication number: CN217377319U
Application number: CN202221061906.0U
Authority: CN
Inventors: 朱传强; 孙亭亭; 茹晋波; 谢兴旺
Original assignee: Everbright Envirotech China Ltd; Everbright Environmental Protection Research Institute Nanjing Co Ltd; Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd
Current assignee: Everbright Envirotech China Ltd; Everbright Environmental Protection Research Institute Nanjing Co Ltd; Everbright Environmental Protection Technology Research Institute Shenzhen Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-06
Anticipated expiration: 2032-05-06

Abstract

The utility model discloses an active carbon preparation and mummification of chicken manure coprocessing device, the carbonization material feed inlet of activation furnace is connected to the carbonization material discharge gate of its carbonization furnace, the active carbon feed inlet of burning tower is connected to the active carbon discharge gate of activation furnace, the carbomorphism gas export of carbonization furnace, the carbomorphism activation gas import of burning tower is connected respectively to the activation gas export of activation furnace, exhaust-heat boiler's high temperature flue gas inlet is connected to the high temperature flue gas export of burning tower, exhaust-heat boiler's low temperature flue gas import of low temperature flue gas outlet connection smoke purifier, exhaust-heat boiler's vapor outlet connects the vapor import of chicken manure desiccator and the vapor import of activation furnace respectively, the comdenstion water outlet of chicken manure desiccator connects exhaust-heat boiler's comdenstion water import, the dry tail gas import of chicken manure of activation furnace is connected to the dry tail gas export of chicken manure desiccator. The utility model discloses can realize harmless, the utilization of resourceful utilization of chicken manure and the environmental protection high efficiency of active carbon simultaneously and utilize.

Description

Active carbon preparation and mummified coprocessing device of chicken manure

Technical Field

The utility model belongs to the technical field of the comprehensive utilization of resource, concretely relates to active carbon preparation and mummified coprocessing device of chicken manure.

Background

With the increasing scarcity of fossil fuels such as coal, petroleum, natural gas and the like, the demand of people on energy is continuously expanded, and biomass energy is more and more concerned by countries in the world as an ideal renewable energy source. Meanwhile, with the increasing importance of the country on the environmental protection problem and the increasing improvement of the environmental protection requirement, the demand of the activated carbon is increased sharply, and the demand is short. Therefore, the preparation of the activated carbon by using the biomass becomes a very promising utilization mode of the biomass energy. At present, a rotary furnace is generally adopted for producing the wood activated carbon, and the main problems are that heat/steam is excessive, and simultaneously, redundant high-temperature flue gas generated in the production process is directly discharged, so that a large amount of heat energy is wasted, and the environmental pollution is caused.

Along with the development of economy in China, the scale of an agricultural chicken farm is continuously enlarged, the yield of chicken manure is greatly increased, and the water content of the chicken manure is higher and is generally 50-80%. Improper treatment of the chicken manure is easy to cause secondary pollution to the natural environment, so an efficient method for treating the chicken manure is required to be selected, and the chicken manure drying technology is high in stability and is one of important methods for treating the chicken manure. However, the drying of chicken manure not only consumes a large amount of energy, but also the treatment and disposal of waste gas generated by drying become difficult points in the industry.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: to the technical problem, the utility model provides a coprocessing device of active carbon preparation and chicken manure mummification can realize harmless, the high-efficient clean utilization of resource utilization and the waste heat of active carbon of chicken manure simultaneously.

The technical scheme is as follows: a coprocessing device for preparing activated carbon and drying chicken manure comprises a carbonization furnace, an activation furnace, a chicken manure dryer, a combustion tower, a waste heat boiler and a smoke purifier; the carbonization furnace is provided with a biomass feed inlet, the chicken manure dryer is provided with a wet chicken manure feed inlet and a dry chicken manure discharge outlet, and the smoke purifier is provided with a purified smoke outlet; the carbonized material discharge port of the carbonization furnace is connected with the carbonized material feed port of the activation furnace through a pipeline, the active carbon discharge port of the activation furnace is connected with the active carbon feed port of the combustion tower through a pipeline, the carbonized gas outlet of the carbonization furnace and the activated gas outlet of the activation furnace are respectively connected with the carbonized activated gas inlet of the combustion tower through pipelines, the high-temperature flue gas outlet of the combustion tower is connected with the high-temperature flue gas inlet of the waste heat boiler through a pipeline, the low-temperature flue gas outlet of the waste heat boiler is connected with the low-temperature flue gas inlet of the flue gas purifier through a pipeline, the water vapor outlet of the waste heat boiler is respectively connected with the water vapor inlet of the chicken manure drying machine and the water vapor inlet of the activation furnace through pipelines, the condensed water outlet of the chicken manure dryer is connected with the condensed water inlet of the waste heat boiler through a pipeline, and the chicken manure drying tail gas outlet of the chicken manure dryer is connected with the chicken manure drying tail gas inlet of the activation furnace through a pipeline.

Preferably, the chicken manure dryer is a disc dryer, a hollow blade dryer or an external heating rotary kiln.

Preferably, the carbonization furnace is an internal heating type rotary furnace.

Preferably, the activation furnace is an internal heating type rotary furnace.

Preferably, air inlets are arranged on the carbonization furnace, the activation furnace, the chicken manure dryer and the combustion tower.

Preferably, the purified flue gas outlet of the flue gas purifier is connected with a chimney.

Preferably, a make-up water inlet is arranged on the waste heat boiler.

Has the advantages that: the utility model discloses can realize the energy and supply for oneself, need not the external heating source, realize high efficiency, the comprehensive utilization of heat energy.

The device can utilize the redundant heat produced by the activated carbon to dry the chicken manure, realizes the reduction and the stable utilization of the chicken manure, removes the volatilization of antibiotics and malodorous gases, can be directly processed into organic fertilizers in the follow-up process or sold as fuels, solves the pressure of chicken manure treatment in China, and increases the economic benefit.

The tail gas generated by drying the chicken manure contains a large amount of water vapor and odor, and the tail gas is introduced into the activation furnace to replace part of activated water vapor and air, so that the consumption of the activated water vapor and the air is reduced, meanwhile, the odor in the tail gas generated by drying the chicken manure promotes the pore-forming function of the activated carbon, the part of the odor after reaction is remained on the activated carbon skeleton, and harmful substances are reduced after pyrolysis of the activation furnace and the combustion tower.

The steam produced by the boiler is condensed and liquefied into water after passing through the chicken manure dryer and then returns to the boiler for vaporization, so that the cyclic utilization of the water is realized; waste gas generated by drying chicken manure is introduced into the activation furnace, water vapor and oxygen in the waste gas participate in reaction, the system smoke purification treatment amount is reduced, the cost is saved, the environment is protected, and the chicken manure drying and activated carbon preparation share one smoke purification system, so that the equipment investment and the occupied area are reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

the numerical references in the figures represent the following meanings: 1. the device comprises a carbonization furnace, a 2-activation furnace, a 3-chicken manure dryer, a 4-combustion tower, a 5-waste heat boiler, a 6-smoke purifier and a 7-chimney.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1, a coprocessing device for activated carbon preparation and chicken manure drying comprises a carbonization furnace 1, an activation furnace 2, a chicken manure dryer 3, a combustion tower 4, a waste heat boiler 5 and a flue gas purifier 6. The device is characterized in that a biomass feed inlet is formed in the carbonization furnace 1, a wet chicken manure feed inlet and a dry chicken manure discharge outlet are formed in the chicken manure drying machine 3, a make-up water inlet is formed in the waste heat boiler 5, and a purified flue gas outlet is formed in the flue gas purifier 6. The carbonized material discharge port of the carbonization furnace 1 is connected with the carbonized material feed port of the activation furnace 2 through a pipeline, the activated carbon discharge hole of the activation furnace 2 is connected with the activated carbon feed hole of the combustion tower 4 through a pipeline, the carbonized gas outlet of the carbonization furnace 1 and the activated gas outlet of the activation furnace 2 are respectively connected with the carbonized activated gas inlet of the combustion tower 4 through pipelines, the high-temperature flue gas outlet of the combustion tower 4 is connected with the high-temperature flue gas inlet of the waste heat boiler 5 through a pipeline, the low-temperature flue gas outlet of the waste heat boiler 5 is connected with the low-temperature flue gas inlet of the flue gas purifier 6 through a pipeline, a water vapor outlet of the waste heat boiler 5 is respectively connected with a water vapor inlet of the chicken manure drying machine 3 and a water vapor inlet of the activation furnace 2 through pipelines, the condensed water outlet of the chicken manure dryer 3 is connected with the condensed water inlet of the waste heat boiler 5 through a pipeline, and a chicken manure drying tail gas outlet of the chicken manure dryer 3 is connected with a chicken manure drying tail gas inlet of the activation furnace 2 through a pipeline.

Wherein the chicken manure dryer 3 is a disc dryer, a hollow blade dryer or an external heating rotary kiln. The carbonization furnace 1 and the activation furnace 2 are both internal heating type rotary furnaces. And air inlets are formed in the carbonization furnace 1, the activation furnace 2, the chicken manure dryer 3 and the combustion tower 4. And a purified smoke outlet of the smoke purifier 6 is connected with a chimney 7 for exhausting.

In this device, living beings at first get into retort 1 in the carbomorphism, the carbomorphism material that obtains gets into activation furnace 2 activation again and makes active carbon, retort 1, the carbomorphism gas that activation furnace 2 produced, the gas that activates lets in combustion tower 4 together and burns completely, the high temperature flue gas that the burning produced gets into exhaust-heat boiler 5 heat transfer and adds hot water, partly be used for the activation reaction of produced vapor, remaining vapor lets in 3 condensations of chicken manure desiccator and releases heat, be used for the mummification chicken manure, the water after the condensation returns exhaust-heat boiler 5 heat absorption steam that produces again, realize the cyclic utilization of water. The dried chicken manure can be used for power plant incineration, organic fertilizer and the like, and the final harmless and resource utilization of the chicken manure is realized. And introducing low-temperature flue gas discharged from the waste heat boiler 5 into a flue gas purifier 6 for purification and then emptying. Tail gas (NH) after drying chicken manure ₃ Etc.) and the water vapor enter the activation furnace 2, the water-carbon reaction of the activated carbon can be further improved, and the quality of the activated carbon is enhanced. The tail end of the activation furnace 2 can be purified together with the carbonization and activation tail gas, so that the site and the investment cost are saved.

Claims

1. A coprocessing device for activated carbon preparation and chicken manure drying is characterized by comprising a carbonization furnace (1), an activation furnace (2), a chicken manure dryer (3), a combustion tower (4), a waste heat boiler (5) and a smoke purifier (6); a biomass feed port is formed in the carbonization furnace (1), a wet chicken manure feed port and a dry chicken manure discharge port are formed in the chicken manure dryer (3), and a purified flue gas outlet is formed in the flue gas purifier (6); the carbonization material discharge port of the carbonization furnace (1) is connected with the carbonization material feed port of the activation furnace (2) through a pipeline, the activated carbon discharge port of the activation furnace (2) is connected with the activated carbon feed port of the combustion tower (4) through a pipeline, the carbonized gas outlet of the carbonization furnace (1) and the activated gas outlet of the activation furnace (2) are respectively connected with the carbonized activated gas inlet of the combustion tower (4) through a pipeline, the high-temperature flue gas outlet of the combustion tower (4) is connected with the high-temperature flue gas inlet of the waste heat boiler (5) through a pipeline, the low-temperature flue gas outlet of the waste heat boiler (5) is connected with the low-temperature flue gas inlet of the flue gas purifier (6) through a pipeline, the steam outlet of the waste heat boiler (5) is respectively connected with the steam inlet of the chicken manure dryer (3) and the steam inlet of the activation furnace (2) through pipelines, the condensed water outlet of the chicken manure dryer (3) is connected with the condensed water inlet of the waste heat boiler (5) through a pipeline, the chicken manure drying tail gas outlet of the chicken manure dryer (3) is connected with the chicken manure drying tail gas inlet of the activation furnace (2) through a pipeline.

2. The cooperative treatment device for activated carbon preparation and chicken manure drying as claimed in claim 1, wherein the chicken manure dryer (3) is a disc dryer, a hollow blade dryer or an external heating type rotary kiln.

3. The cooperative processing device for activated carbon preparation and chicken manure drying as claimed in claim 1, wherein the carbonization furnace (1) is an internal heating type rotary furnace.

4. The cooperative processing device for activated carbon preparation and chicken manure drying as claimed in claim 1, wherein the activation furnace (2) is an internal heating type rotary furnace.

5. The cooperative processing device for activated carbon preparation and chicken manure drying as claimed in claim 1, wherein the carbonization furnace (1), the activation furnace (2), the chicken manure dryer (3) and the combustion tower (4) are all provided with air inlets.

6. The device for co-processing the activated carbon preparation and the chicken manure drying as claimed in claim 1, wherein the purified flue gas outlet of the flue gas purifier (6) is connected with a chimney (7).

7. The cooperative treatment device for activated carbon preparation and chicken manure drying as claimed in claim 1, wherein a make-up water inlet is arranged on the exhaust-heat boiler (5).