阅读说明：本技术 一种炭化炉烟气回收装置 (Flue gas recovery device of carbonization furnace ) 是由 赵琼 陈宁 陈建林 张骥 王小娟 王小军 于 2020-07-27 设计创作，主要内容包括：本发明公开了一种炭化炉烟气回收装置,包括炭化炉本体和沉降室,沉降室连接有焚烧炉,沉降室内设有隔烟壁,隔烟壁将沉降室分隔成两个独立的烟道,分别是第一烟道和第二烟道,第一烟道连接有焚烧炉,第二烟道与地下烟道连接,第二烟道与地下烟道连接处安装有第一抽风机；炭化炉本体包括炉头,炉头内设置有燃烧室,燃烧室包括外壳和内壁,内壁由耐火砖砌成,燃烧室出口处安装有第二抽风机；地下烟道与燃烧室连接；一方面节约了炉头的燃煤,另一方面将炉头内的氧气燃尽,断绝氧气进入炉膛内,杜绝炭化炉内因氧气太足产生明火,造成炭化料表面损耗和表面高温石墨化,影响下个工序的生产加工,本装置使炭化过程中达到干馏的效果。(The invention discloses a smoke recovery device of a carbonization furnace, which comprises a carbonization furnace body and a settling chamber, wherein the settling chamber is connected with the incineration furnace, a smoke isolating wall is arranged in the settling chamber, the settling chamber is divided into two independent flues by the smoke isolating wall, namely a first flue and a second flue, the first flue is connected with the incineration furnace, the second flue is connected with an underground flue, and a first exhaust fan is arranged at the joint of the second flue and the underground flue; the carbonization furnace body comprises a furnace end, a combustion chamber is arranged in the furnace end, the combustion chamber comprises an outer shell and an inner wall, the inner wall is built by refractory bricks, and a second exhaust fan is arranged at the outlet of the combustion chamber; the underground flue is connected with the combustion chamber; the fire coal of furnace end has been practiced thrift on the one hand, and on the other hand burns out the oxygen in the furnace end, and in stopping oxygen and getting into furnace, stop in the retort because of too sufficient production naked light of oxygen, cause carbonization material surface loss and surface high temperature graphitization, influence the production and processing of next process, this device makes the carbonization in-process reach the effect of dry distillation.)

1. A smoke recovery device of a carbonization furnace comprises a carbonization furnace body and a settling chamber, and is characterized in that the settling chamber is connected with an incinerator, a smoke isolating wall is arranged in the settling chamber, the settling chamber is divided into two independent flues by the smoke isolating wall, namely a first flue and a second flue, the first flue is connected with the incinerator, the second flue is connected with an underground flue, and a first exhaust fan is arranged at the joint of the second flue and the underground flue;

the carbonization furnace body comprises a furnace end, a combustion chamber is arranged in the furnace end, the combustion chamber comprises an outer shell and an inner wall, the inner wall is built by refractory bricks, and a second exhaust fan is arranged at an outlet of the combustion chamber;

the underground flue is connected with the combustion chamber.

2. The carbonization furnace flue gas recovery device according to claim 1, wherein a boiler is connected to the incinerator.

3. The retort flue gas recovery device of claim 1, wherein the retort further comprises a furnace chamber, and the furnace head is connected to the furnace chamber.

4. The carbonization furnace flue gas recovery device of claim 1, wherein the refractory brick is one of: carbon bricks, graphite refractory products, silicon carbide refractory products and zirconium-containing refractory bricks.

5. The carbonization furnace flue gas recovery device of claim 1, wherein the first exhaust fan and the second exhaust fan are made of a heat-resistant and high-temperature-resistant material.

6. The carbonization furnace flue gas recovery device according to claim 1, wherein the furnace head is a rectangular parallelepiped having a length, width and height of 8m, 3m and 3m, respectively.

Technical Field

The invention relates to a recovery device, in particular to a smoke recovery device of a carbonization furnace.

Background

The active carbon is a hydrophobic adsorbent prepared by taking a substance mainly containing carbon as a raw material and carrying out high-temperature carbonization and activation. The activated carbon contains a large number of micropores, has a large specific surface area, can effectively remove chromaticity and odor, and can remove most organic pollutants and certain inorganic matters in secondary effluent, including certain toxic heavy metals. Factors affecting activated carbon adsorption are: the characteristics of the activated carbon; the identity and concentration of the adsorbate; the pH of the wastewater; suspended solids content, etc.; contact systems and operating modes, etc. Activated carbon adsorption is the most important and most effective treatment technology in the high-level treatment of urban sewage and is widely applied; the prior active carbon has the following problems,

1. in the carbonization process, the carbonization furnace is ignited, which not only causes the surface of the carbonized material to be damaged, but also the surface graphitization is not beneficial to the production and processing of the next procedure.

2. In the process of dry distillation and carbonization of the carbonization furnace, the oxygen content in the furnace is high, and open fire burns in the carbonization furnace, so that the produced active coke has low wear-resistant strength and cannot meet the requirements of customers.

3. The surface of the carbonized material is graphitized by peroxide, so that the carbonization is uneven, the activation efficiency is reduced, the central volatile component of the carbonized material is high, and the activation is not thorough.

Disclosure of Invention

The invention provides a smoke recovery device of a carbonization furnace in order to solve the problems. The technical scheme adopted by the invention is as follows: a smoke recovery device of a carbonization furnace comprises a carbonization furnace body and a settling chamber, wherein the settling chamber is connected with an incinerator, a smoke isolating wall is arranged in the settling chamber and divides the settling chamber into two independent flues, namely a first flue and a second flue, the first flue is connected with the incinerator, the second flue is connected with an underground flue, and a first exhaust fan is arranged at the joint of the second flue and the underground flue;

the carbonization furnace body comprises a furnace end, a combustion chamber is arranged in the furnace end, the combustion chamber comprises an outer shell and an inner wall, the inner wall is built by refractory bricks, and a second exhaust fan is arranged at an outlet of the combustion chamber;

the underground flue is connected with the combustion chamber.

Further, the incinerator is connected with a boiler.

Further, the carbonization furnace also comprises a furnace chamber, and the furnace end is connected with the furnace chamber.

Further, the refractory brick is one of the following: carbon bricks, graphite refractory products, silicon carbide refractory products and zirconium-containing refractory bricks.

Further, the first exhaust fan and the second exhaust fan are made of heat-resistant and high-temperature-resistant materials.

Further, the furnace end is a cuboid with the length, width and height of 8m, 3m and 3m respectively.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention relates to a smoke recovery device of a carbonization furnace, which is characterized in that active carbon is molded and then enters a carbonization procedure, smoke generated in the molding process enters a settling chamber, because the energy generated by the combustion of the smoke is higher, the carbonization furnace can not use so much energy, the energy which is not used can be wasted, and the energy is wasted, therefore, the settling chamber is reformed, a smoke isolating wall divides the settling chamber into two independent flues, the smoke of the second flue enters an underground flue under the suction force of a first exhaust fan, the smoke enters a combustion chamber in a furnace head of the carbonization furnace body through the underground flue, the length of the combustion chamber in the furnace head is lengthened, the smoke is combusted more fully, on one hand, the heat is used for carbonization, the fire coal of the furnace head can be saved, on the other hand, the oxygen in the furnace head is burnt out, the oxygen is cut off to enter the furnace chamber, the oxygen content in the carbonization furnace is reduced, the oxygen content in the carbonization furnace is completely eradicated, causing the surface loss and the high-temperature graphitization of the surface of the carbonized material, being not beneficial to the production and processing of the next procedure, thus leading the interior of the carbonization furnace to be oxygen-insulated and leading the carbonization process to achieve the effect of dry distillation.

2. The invention relates to a smoke recovery device of a carbonization furnace, which is characterized in that heat generated by combustion in a combustion chamber is absorbed by the inner wall built by refractory bricks in the combustion chamber and is stored by the refractory bricks, the refractory bricks can play a role in heat storage and can also play a role in isolating oxygen, a second exhaust fan is arranged at the outlet of the combustion chamber, the heat stored by the refractory bricks is pumped into a furnace end and a furnace chamber in a carbonization furnace body by the second exhaust fan, and the heat is used for carbonization, so that on one hand, coal at the furnace end can be saved, on the other hand, oxygen is prevented from entering a furnace chamber, so that the active carbon is smoothly carbonized, the requirements of customers are met, and multiple.

3. According to the smoke recovery device of the carbonization furnace, heat is stored, air is isolated, and oxygen at the furnace end is burnt completely as much as possible, so that the surface of a carbonization material cannot be graphitized by peroxide, the phenomenon of nonuniform carbonization is avoided, the activation efficiency is improved, and the activation is more thorough.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure, 1-a carbonization furnace body, 2-a settling chamber, 3-an incinerator, 4-a smoke barrier, 5-a first flue, 6-a second flue, 7-an underground flue, 8-a first exhaust fan, 9-a furnace end, 10-a combustion chamber, 11-a shell, 12-an inner wall and 13-a second exhaust fan.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

The core of the invention is to provide the electric cabinet vibration detection device, so that the early insulation defect and breakdown in the electric cabinet can be effectively found, measures can be taken conveniently, the further development of the electric cabinet is avoided, and the reliability and the safety of the electric cabinet are improved.

Fig. 1 is a schematic view of the overall structure of the present invention, and as shown in fig. 1, the present invention provides a flue gas recovery device for a carbonization furnace, which includes a carbonization furnace body 1 and a settling chamber 2, wherein the settling chamber 2 is connected with an incinerator 3, a flue gas separation wall 4 is arranged in the settling chamber 2, the settling chamber 2 is divided into two independent flues by the flue gas separation wall 4, the flues are respectively a first flue 5 and a second flue 6, the first flue 5 is connected with the incinerator 3, the second flue 6 is connected with an underground flue 7, and a first exhaust fan 8 is installed at the connection position of the second flue 6 and the underground flue 7;

the carbonization furnace body 1 comprises a furnace end 9, a combustion chamber 10 is arranged in the furnace end 9, the combustion chamber 10 comprises an outer shell 11 and an inner wall 12, the inner wall 12 is built by refractory bricks, and a second exhaust fan 13 is arranged at an outlet of the combustion chamber 10;

the underground flue 7 is connected to the combustion chamber 10.

Specifically, the incinerator 3 is connected to a boiler.

Specifically, the carbonization furnace further comprises a furnace chamber, and the furnace end 9 is connected with the furnace chamber.

Specifically, the refractory brick is one of the following: carbon bricks, graphite refractory products, silicon carbide refractory products and zirconium-containing refractory bricks.

Specifically, the first exhaust fan 8 and the second exhaust fan 13 are made of heat-resistant and high-temperature-resistant materials.

Specifically, the burner 9 is a rectangular parallelepiped having a length, width and height of 8m, 3m and 3m, respectively.

The working principle of the invention is as follows: the active carbon is formed and then needs to enter a carbonization procedure, smoke generated in the forming process enters the settling chamber 2, the energy generated by the combustion of the smoke is high, the carbonization furnace cannot use so much energy, the inexhaustible energy can be wasted, and the energy is wasted, so that the settling chamber 2 is transformed, the smoke separation wall 4 divides the settling chamber 2 into two independent flues, namely a first flue 5 and a second flue 6, smoke entering the first flue 5 enters the incinerator 3 through the first flue 5, and the smoke is burnt by the incinerator 3 to provide heat for the boiler.

The flue gas of second flue 6 gets into underground flue 7 under the draft of first air exhauster 8, and the flue gas gets into combustion chamber 10 in the furnace end 9 of retort body 1 through underground flue 7 again, has lengthened the length of combustion chamber 10 in the furnace end 9, makes the flue gas burning more abundant, and on the other hand burns the oxygen in the furnace end 9 completely, cuts off oxygen and gets into furnace in, reduces the interior oxygen content of retort, stops to produce because of oxygen is too sufficient naked light in the retort. The carbonization furnace is oxygen-insulated, thereby avoiding causing the surface loss and the high-temperature graphitization of the surface of the carbonized material, being not beneficial to the production and processing of the next procedure and achieving the effect of dry distillation in the carbonization process.

The heat that the burning produced in the combustion chamber 10, inner wall 12 by firebrick built in the combustion chamber 10 absorbs, accumulate heat with resistant firebrick, resistant firebrick except can playing the effect of heat accumulation, the effect of isolated oxygen also can be played simultaneously, second air exhauster 13 is installed in 10 exit of combustion chamber, furnace end 9 and the furnace chamber in retort body 1 are taken out to the heat that second air exhauster 13 holds resistant firebrick, the heat is used for the carbomorphism dry distillation, the coal-fired of furnace end 9 can be saved on the one hand, on the other hand absolutely oxygen gets into in the furnace, hold two birds with one stone.

The incinerator 3 is connected with a boiler, and the flue gas is incinerated by the incinerator 3 to provide heat for the boiler.

The carbonization furnace also comprises a furnace chamber, the furnace end 9 is connected with the furnace chamber, and heat generated by combustion in the combustion chamber 10 supplies heat to the furnace end 9 and the furnace chamber.

The refractory brick is one of the following: carbon brick, graphite refractory product, silicon carbide refractory product and zirconium-containing refractory brick, and the refractory brick can store heat and can also prevent high temperature from causing damage.

The first exhaust fan 8 and the second exhaust fan 13 are made of heat-resistant and high-temperature-resistant materials, so that the first exhaust fan 8 and the second exhaust fan 13 can be prevented from being damaged by high temperature.

Furnace end 9 is the cuboid that length, width and height are 8m, 3m and 3m respectively, and original furnace end 9 is the cuboid that length, width and height are 3m, 3m and 3m respectively, has lengthened the length of combustion chamber 10 and has made the oxygen of furnace end 9 burn out more abundant, the extension of combustion chamber 10 for the length of furnace end 9 has also lengthened.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.