阅读说明：本技术 炭化炉冷凝液快速处理提取木醋液的方法 (Method for extracting pyroligneous acid by quickly treating condensate of carbonization furnace ) 是由 马骏 蒋维 张学博 李星 周亮 王丹灏 司继松 于 2020-04-08 设计创作，主要内容包括：一种炭化炉冷凝液快速处理提取木醋液的方法,其按照100重量份的炭化炉冷凝液加入不少于3重量份的木炭粉的比例,向容器中加入粉状的木炭；然后再将处理过的物料置于微纳米气浮设备中,让粉状的木炭在微纳米气泡作用下上浮,上浮分离的木炭通过微纳米气浮设备的排渣口排出微纳米气浮设备；再将微纳米气浮设备中没有从微纳米气浮设备排渣口排出的物料进行膜过滤处理,对物料中含有粉状的木炭及大分子有机物进一步加以分离,膜过滤处理得到的清液为木醋液。其目的在于提供一种能够将直接将炭化炉冷凝液进行快速处理,无需使用大量的储液池就可将炭化炉冷凝液一次处理制作成为高品质的木醋液,生产效率高的炭化炉冷凝液快速处理提取木醋液的方法。(A method for extracting pyroligneous liquor by rapid treatment of condensate of a carbonization furnace comprises adding powdered charcoal into a container according to the proportion of not less than 3 weight parts of charcoal powder added into 100 weight parts of condensate of the carbonization furnace; then placing the treated material in micro-nano air flotation equipment, floating powdery charcoal under the action of micro-nano bubbles, and discharging the floating and separated charcoal out of the micro-nano air flotation equipment through a slag discharge port of the micro-nano air flotation equipment; and then, performing membrane filtration treatment on the material which is not discharged from a slag discharge port of the micro-nano air floatation equipment in the micro-nano air floatation equipment, further separating powdery charcoal and macromolecular organic matters in the material, and obtaining clear liquid as pyroligneous liquor through the membrane filtration treatment. The method aims to provide the method for rapidly treating the condensate of the carbonization furnace directly, preparing the condensate of the carbonization furnace into the high-quality pyroligneous liquor through one-step treatment without using a large amount of liquid storage tanks, and rapidly treating the condensate of the carbonization furnace with high production efficiency to extract the pyroligneous liquor.)

1. The method for extracting the pyroligneous liquor by quickly treating the condensate of the carbonization furnace is characterized by comprising the following steps:

A. putting the condensate of the carbonization furnace into a container, adding powdered charcoal into the container according to the proportion that not less than 3 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, stirring the materials in the container for more than 3min for adsorbing tar, phenols and aldehydes toxic and harmful substances in the condensate of the carbonization furnace, and simultaneously decoloring the condensate of the carbonization furnace and removing peculiar smell;

B. placing the material treated in the step A into micro-nano air flotation equipment, floating powdery charcoal under the action of micro-nano bubbles, discharging floating separated charcoal out of the micro-nano air flotation equipment through a slag discharge port of the micro-nano air flotation equipment, discharging floating oil and dissolved oil contained in the material out of the micro-nano air flotation equipment along with the powdery charcoal, discharging solid matters which can be used as raw materials or carbon fertilizers of soil conditioners, and conveying discharged liquid substances back to the container in the step A to be mixed with condensate of a carbonization furnace;

C. and (3) performing membrane filtration treatment on the material which is not discharged from a slag discharge port of the micro-nano air floatation equipment in the micro-nano air floatation equipment, further separating powdery charcoal and macromolecular organic matters in the material, conveying the concentrated solution generated by the membrane filtration treatment back to the container in the step A to be mixed with the condensate of the carbonization furnace, and obtaining clear solution which is wood vinegar solution through the membrane filtration treatment.

2. The method for rapidly processing and extracting the pyroligneous liquor by the charring furnace condensate as claimed in claim 1, wherein in the step A, the powdered charcoal is added into the container according to the proportion that 5-50 parts by weight of charcoal powder is added into 100 parts by weight of the charring furnace condensate, and then the materials in the container are stirred for 5-30min, wherein the mesh number of the added charcoal powder is 50 meshes; in the step B, the powdery charcoal floats upwards under the action of micro-nano bubbles of 10-30 um; and C, adopting an organic membrane or a ceramic membrane for membrane filtration treatment in the step C.

3. The method for rapidly processing and extracting pyroligneous liquor through carbonization furnace condensate according to claim 2, wherein in the step A, ultrasonic waves are adopted to stir the materials in the container, the stirring time is 10-25min, and the mesh number of the added charcoal powder is 80 meshes.

4. The method for rapidly processing and extracting pyroligneous liquor by using carbonization furnace condensate as claimed in claim 3, wherein in the step A, powdered charcoal is added into a container according to the proportion that 10-40 parts by weight of charcoal powder is added into 100 parts by weight of carbonization furnace condensate, and then the materials in the container are stirred for 15-20min, wherein the mesh number of the added charcoal powder is 120 meshes.

5. The method for rapidly processing and extracting pyroligneous liquor by using carbonization furnace condensate as claimed in claim 4, wherein in the step A, powdered charcoal is added into a container according to the proportion that 20-30 parts by weight of charcoal powder is added into 100 parts by weight of carbonization furnace condensate, and the mesh number of the added charcoal powder is 200 meshes.

6. The method for rapid processing of carbonized oven condensate to extract pyroligneous liquor as claimed in any one of claims 1 to 5, wherein said step A further comprises heating the contents of the vessel to a temperature of 30 ℃ to 80 ℃ with stirring.

7. The method for extracting pyroligneous liquor through rapid treatment of carbonized furnace condensate as claimed in claim 6, wherein said step A further comprises heating the contents of the container to 35-70 ℃ and stirring.

8. The method for extracting pyroligneous liquor through rapid treatment of carbonized furnace condensate as claimed in claim 7, wherein said step A further comprises heating the contents of the container to 40-60 ℃ and stirring.

9. Method for the rapid treatment of pyroligneous liquor extracted from carbonized oven condensate according to any of claims 1 to 5, characterized in that the powdered charcoal is replaced by powdered diatomaceous earth, powdered zeolite, powdered modified zeolite or powdered bentonite.

10. The method for extracting pyroligneous liquor through rapid treatment of carbonized oven condensate as claimed in claim 9, wherein said step a further comprises heating the contents of the container to a temperature of 30-80 ℃ and stirring.

Technical Field

The invention relates to a method for extracting pyroligneous liquor by quickly treating carbonized furnace condensate.

Background

Pyroligneous liquor is also called plant acid, is a reddish brown liquid obtained by condensing and separating a steam gas mixture derived after biomass such as wood is subjected to dry distillation in dry distillation equipment such as a carbonization furnace, a condensate of the carbonization furnace is a mixture with very complex components, the condensate of the carbonization furnace is directly obtained from the dry distillation and condensation equipment, is also called crude pyroligneous liquor, is a brownish black liquid, contains a large amount of tar, harmful substances and the like, and needs to be further refined according to different purposes.

The existing method for treating and extracting wood vinegar liquid is to statically place crude wood vinegar liquid obtained during biomass dry distillation in a liquid storage tank for more than three months, and when the crude wood vinegar liquid is clarified, the crude wood vinegar liquid is divided into two layers, wherein the upper layer is clarified wood vinegar liquid, and the lower layer is precipitated wood tar. The clarified pyroligneous liquor is further processed to obtain acetic acid (or acetate), propionic acid, butyric acid, methanol, organic solvent and other products, and the precipitated wood tar is processed to obtain creosote, wood tar anti-polymerization agent, pitch and other products. However, the conventional method for treating and extracting the pyroligneous liquor cannot rapidly treat the condensate of the carbonization furnace directly, so that the condensate of the carbonization furnace can be treated into the pyroligneous liquor by using a large amount of liquid storage tanks, and the time for treating and extracting the pyroligneous liquor is very long, so that the production efficiency is very low.

Disclosure of Invention

The invention aims to provide a method for quickly treating and extracting pyroligneous liquor by using the condensate of the carbonization furnace, which can directly and quickly treat the condensate of the carbonization furnace, can prepare the pyroligneous liquor with high quality by one-step treatment without using a large amount of liquid storage tanks, and has the advantages of short time for treating and extracting the pyroligneous liquor, high production efficiency, good product quality and low production energy consumption.

The method for quickly treating and extracting the pyroligneous liquor by using the condensate of the carbonization furnace comprises the following steps:

A. putting the condensate of the carbonization furnace into a container, adding powdered charcoal into the container according to the proportion that not less than 3 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, stirring the materials in the container for more than 3min for adsorbing tar, phenols and aldehydes toxic and harmful substances in the condensate of the carbonization furnace, and simultaneously decoloring the condensate of the carbonization furnace and removing peculiar smell;

B. placing the material treated in the step A into micro-nano air flotation equipment, floating powdery charcoal under the action of micro-nano bubbles, discharging floating separated charcoal out of the micro-nano air flotation equipment through a slag discharge port of the micro-nano air flotation equipment, discharging floating oil and dissolved oil contained in the material out of the micro-nano air flotation equipment along with the powdery charcoal, discharging solid matters which can be used as raw materials or carbon fertilizers of soil conditioners, and conveying discharged liquid substances back to the container in the step A to be mixed with condensate of a carbonization furnace;

C. and (3) performing membrane filtration treatment on the material which is not discharged from a slag discharge port of the micro-nano air floatation equipment in the micro-nano air floatation equipment, further separating powdery charcoal and macromolecular organic matters in the material, conveying the concentrated solution generated by the membrane filtration treatment back to the container in the step A to be mixed with the condensate of the carbonization furnace, and obtaining clear solution which is wood vinegar solution through the membrane filtration treatment.

Preferably, in the step A, according to the proportion that 5-50 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, powdery charcoal is added into the container, then the material in the container is stirred for 5-30min, and the mesh number of the added charcoal powder is 50 meshes; in the step B, the powdery charcoal floats upwards under the action of micro-nano bubbles of 10-30 um; and C, adopting an organic membrane or a ceramic membrane for membrane filtration treatment in the step C.

Preferably, in the step A, the materials in the container are stirred by ultrasonic waves for 10-25min, and the mesh number of the added charcoal powder is 80 meshes;

preferably, in the step a, powdered charcoal is added into the container according to a proportion that 10-40 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, and then the material in the container is stirred for 15-20min, wherein the mesh number of the added charcoal powder is 120 meshes.

Preferably, in the step a, powdered charcoal is added into the container according to a proportion that 20-30 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, and the mesh number of the added charcoal powder is 200 meshes.

Preferably, the step A also comprises heating the materials in the container to 30-80 ℃ for stirring.

Preferably, the step A also comprises heating the materials in the container to 35-70 ℃ for stirring.

Preferably, the step A also comprises heating the materials in the container to 40-60 ℃ for stirring.

Preferably, the powdered charcoal may be replaced with powdered diatomaceous earth, powdered zeolite, powdered modified zeolite, or powdered bentonite.

Preferably, the step A also comprises heating the materials in the container to 30-80 ℃ for stirring.

The invention relates to a method for quickly treating and extracting pyroligneous liquid from condensate of a carbonization furnace, which adopts powdery charcoal to adsorb toxic and harmful substances such as tar, phenols and aldehydes in the condensate of the carbonization furnace, further utilizes micro-nano air flotation equipment to quickly and efficiently float the powdery charcoal under the action of micro-nano bubbles, the floated and separated charcoal is discharged out of the micro-nano air flotation equipment through a slag discharge port of the micro-nano air flotation equipment, meanwhile floating oil and dissolved oil contained in materials are discharged out of the micro-nano air flotation equipment along with the powdery charcoal, then creatively carries out membrane filtration treatment on the materials which are not discharged out of the slag discharge port of the micro-nano air flotation equipment in the micro-nano air flotation equipment, the powdery charcoal and macromolecular organic matters contained in the materials are further separated, concentrated liquid generated by the membrane filtration treatment is conveyed back to a container in the step A to be mixed with the condensate of the carbonization furnace, the clear liquid obtained by membrane filtration is wood vinegar. Due to the specific technical characteristics of the invention, the method for quickly treating the carbonized furnace condensate to extract the pyroligneous liquor has the characteristics that the carbonized furnace condensate can be directly and quickly treated, the carbonized furnace condensate can be treated at one time without using a large amount of liquid storage tanks to prepare the high-quality pyroligneous liquor, the time for treating and extracting the pyroligneous liquor is short, the production efficiency is high, the product quality is good, and the production energy consumption is low.

Further details and characteristics of the method for the rapid treatment of pyroligneous liquor extracted from carbonized oven condensate according to the present invention will be clear from reading the examples detailed below.

Detailed Description

According to the invention, the membrane processor process, the micro-nano air flotation process and the carbon powder and activated carbon vibration adsorption process are utilized to treat the charcoal carbonization furnace condensate to produce the high-quality pyroligneous liquor, charcoal residue carbon powder generated by the carbonization furnace is used as a raw material for quickly treating the carbonization furnace condensate, and charcoal powder adsorbing tar and pyroligneous liquor can be used as a charcoal fertilizer for producing and preparing the soil conditioner. The method can directly and quickly treat the condensate of the carbonization furnace, does not need to utilize a large amount of liquid storage tanks to perform standing separation on the condensate of the carbonization furnace, and can prepare the condensate of the carbonization furnace into high-quality pyroligneous liquor by one-time treatment, so that the method is particularly suitable for producing various series products by using the pyroligneous liquor generated in the production of charcoal, improving the quality of the pyroligneous liquor and upgrading the existing production equipment.

The method for quickly treating and extracting the pyroligneous liquor by using the condensate of the carbonization furnace comprises the following steps:

A. putting the condensate of the carbonization furnace into a container, adding powdered charcoal into the container according to the proportion that not less than 3 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, stirring the materials in the container for more than 3min for adsorbing tar, phenols and aldehydes toxic and harmful substances in the condensate of the carbonization furnace, and simultaneously decoloring the condensate of the carbonization furnace and removing peculiar smell;

B. placing the material treated in the step A into micro-nano air flotation equipment, floating powdery charcoal under the action of micro-nano bubbles, discharging floating separated charcoal out of the micro-nano air flotation equipment through a slag discharge port of the micro-nano air flotation equipment, discharging floating oil and dissolved oil contained in the material out of the micro-nano air flotation equipment along with the powdery charcoal, discharging solid matters which can be used as raw materials or carbon fertilizers of soil conditioners, and conveying discharged liquid substances back to the container in the step A to be mixed with condensate of a carbonization furnace;

C. and (3) performing membrane filtration treatment on the material which is not discharged from a slag discharge port of the micro-nano air floatation equipment in the micro-nano air floatation equipment, further separating powdery charcoal and macromolecular organic matters in the material, conveying the concentrated solution generated by the membrane filtration treatment back to the container in the step A to be mixed with the condensate of the carbonization furnace, and obtaining clear solution which is wood vinegar solution through the membrane filtration treatment.

As a further improvement of the invention, in the step A, according to the proportion that 5-50 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, powdery charcoal is added into a container, then the materials in the container are stirred for 5-30min, and the mesh number of the added charcoal powder is 50 meshes; in the step B, the powdery charcoal floats upwards under the action of micro-nano bubbles of 10-30 um; and C, adopting an organic membrane or a ceramic membrane for membrane filtration treatment in the step C.

As a further improvement of the invention, in the step A, ultrasonic waves are adopted to stir the materials in the container, the stirring time is 10-25min, and the mesh number of the added charcoal powder is 80 meshes;

as a further improvement of the invention, in the step A, according to the proportion that 10-40 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, powdery charcoal is added into a container, then the materials in the container are stirred for 15-20min, and the mesh number of the added charcoal powder is 120 meshes.

As a further improvement of the invention, in the step A, according to the proportion that 20-30 parts by weight of charcoal powder is added into 100 parts by weight of the condensate of the carbonization furnace, powdered charcoal is added into a container, and the mesh number of the added charcoal powder is 200 meshes.

As a further improvement of the invention, the step A also comprises heating the materials in the container to 30-80 ℃ for stirring.

As a further improvement of the invention, the step A also comprises heating the materials in the container to 35-70 ℃ and stirring.

As a further improvement of the invention, the step A also comprises heating the materials in the container to 40-60 ℃ and stirring.

As a further improvement of the present invention, the powdery charcoal may be replaced with powdery diatomaceous earth, powdery zeolite, powdery modified zeolite or powdery bentonite.

As a further improvement of the invention, the step A also comprises heating the materials in the container to 30-80 ℃ for stirring.

The method for quickly treating and extracting the pyroligneous liquor by the carbonized furnace condensate comprises the steps of adding not less than 3 parts by weight of charcoal powder into 100 parts by weight of the carbonized furnace condensate, adding powdery charcoal into a container, stirring the materials in the container for more than 3min, adsorbing tar, phenols and aldehydes toxic and harmful substances in the carbonized furnace condensate, and simultaneously decoloring and removing peculiar smell from the carbonized furnace condensate; then placing the treated material in micro-nano air flotation equipment, floating powdery charcoal under the action of micro-nano bubbles, discharging the floating separated charcoal out of the micro-nano air flotation equipment through a slag discharge port of the micro-nano air flotation equipment, discharging floating oil and dissolved oil contained in the material out of the micro-nano air flotation equipment along with the powdery charcoal, discharging solid matters which can be used as raw materials or carbon fertilizers of soil conditioners, and conveying discharged liquid matters back to the container in the step A to be mixed with condensate of a carbonization furnace; and then, carrying out membrane filtration treatment on the materials which are not discharged from a slag discharge port of the micro-nano air floatation equipment in the micro-nano air floatation equipment, further separating powdery charcoal and macromolecular organic matters in the materials, conveying concentrated liquid generated by the membrane filtration treatment back to the container to be mixed with condensate of the carbonization furnace, and obtaining clear liquid as pyroligneous liquid through the membrane filtration treatment.

The invention relates to a method for quickly treating and extracting pyroligneous liquid from condensate of a carbonization furnace, which adopts powdery charcoal to adsorb toxic and harmful substances such as tar, phenols and aldehydes in the condensate of the carbonization furnace, further utilizes micro-nano air flotation equipment to quickly and efficiently float the powdery charcoal under the action of micro-nano bubbles, the floated and separated charcoal is discharged out of the micro-nano air flotation equipment through a slag discharge port of the micro-nano air flotation equipment, meanwhile floating oil and dissolved oil contained in materials are discharged out of the micro-nano air flotation equipment along with the powdery charcoal, then creatively carries out membrane filtration treatment on the materials which are not discharged out of the slag discharge port of the micro-nano air flotation equipment in the micro-nano air flotation equipment, the powdery charcoal and macromolecular organic matters contained in the materials are further separated, concentrated liquid generated by the membrane filtration treatment is conveyed back to a container in the step A to be mixed with the condensate of the carbonization furnace, the clear liquid obtained by membrane filtration is wood vinegar. Due to the specific technical characteristics of the invention, the method for quickly treating the carbonized furnace condensate to extract the pyroligneous liquor has the characteristics that the carbonized furnace condensate can be directly and quickly treated, the carbonized furnace condensate can be treated at one time without using a large amount of liquid storage tanks to prepare the high-quality pyroligneous liquor, the time for treating and extracting the pyroligneous liquor is short, the production efficiency is high, the product quality is good, and the production energy consumption is low.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.