A carbonization furnace flue gas recovery device

Abstract

The invention discloses a carbonization furnace flue gas recovery device, comprising a carbonization furnace body and a settling chamber, the settling chamber is connected to an incinerator, a smoke partition wall is arranged in the settling chamber, the smoke partition wall divides the settling chamber into two independent flues, namely a first flue and a second flue, the first flue is connected to the incinerator, the second flue is connected to an underground flue, a first exhaust fan is installed at the connection between the second flue and the underground flue; the carbonization furnace body comprises a burner head, a combustion chamber is arranged in the burner head, the combustion chamber comprises an outer shell and an inner wall, the inner wall is made of refractory bricks, a second exhaust fan is installed at the outlet of the combustion chamber; the underground flue is connected to the combustion chamber; on the one hand, the coal of the burner head is saved, and on the other hand, the oxygen in the burner head is burned out, the oxygen entering the furnace is cut off, and the generation of open flame due to too much oxygen in the carbonization furnace is prevented, resulting in surface loss and high-temperature graphitization of the carbonized material, which affects the production and processing of the next process, and the device achieves the effect of dry distillation in the carbonization process.

Description

Technical Field

[0001] The invention relates to a recovery device, in particular to a carbonization furnace fume recovery device. Background Art

[0002] Activated carbon is a hydrophobic adsorbent made from carbon-based materials through high-temperature carbonization and activation. Activated carbon contains a large number of micropores and has a huge specific surface area. It can effectively remove color and odor, and can remove most organic pollutants and certain inorganic substances in secondary effluent, including some toxic heavy metals. Factors that affect activated carbon adsorption include: the characteristics of activated carbon; the characteristics and concentration of the adsorbate; the pH value of the wastewater; the suspended solids content and other characteristics; the contact system and operating mode, etc. Activated carbon adsorption is the most important and effective treatment technology in advanced urban sewage treatment and has been widely used; the existing activated carbon has the following problems,

[0003] 1. During the carbonization process, the carbonization furnace catches fire, which not only damages the surface of the carbonized material, but also graphitizes the surface, which is not conducive to the production and processing of the next process.

[0004] 2. During the carbonization process of carbonization furnace, the oxygen content in the furnace is high and there is open flame burning in the carbonization furnace, which leads to low wear resistance of the produced activated coke and fails to meet customer requirements.

[0005] 3. The peroxide graphitization on the surface of the carbonized material makes the carbonization uneven, which reduces the activation efficiency. The high volatile matter in the center of the carbonized material causes incomplete activation and other disadvantages. Summary of the invention

[0006] In order to solve the above problems, the present invention proposes a carbonization furnace smoke recovery device. The technical solution adopted by the present invention is: a carbonization furnace smoke recovery device, comprising a carbonization furnace body and a settling chamber, the settling chamber is connected to an incinerator, a smoke partition wall is arranged in the settling chamber, the smoke partition wall divides the settling chamber into two independent flues, namely a first flue and a second flue, the first flue is connected to the incinerator, the second flue is connected to the underground flue, and a first exhaust fan is installed at the connection between the second flue and the underground flue;

[0007] The carbonization furnace body comprises a burner head, a combustion chamber is arranged in the burner head, the combustion chamber comprises an outer shell and an inner wall, the inner wall is made of refractory bricks, and a second exhaust fan is installed at the outlet of the combustion chamber;

[0008] The underground flue is connected to the combustion chamber.

[0009] Furthermore, the incinerator is connected to a boiler.

[0010] Furthermore, the carbonization furnace also includes a furnace cavity, and the furnace head is connected to the furnace cavity.

[0011] Furthermore, the refractory brick is one of the following: carbon brick, graphite refractory product, silicon carbide refractory product and zirconium-containing refractory brick.

[0012] Furthermore, the first exhaust fan and the second exhaust fan are made of heat-resistant and high-temperature resistant materials.

[0013] Furthermore, the furnace head is a rectangular parallelepiped with a length, width and height of 8m, 3m and 3m respectively.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention relates to a flue gas recovery device for a carbonization furnace. After the activated carbon is formed, it needs to enter a carbonization process. The flue gas generated during the forming process enters a settling chamber. Because the energy generated by the combustion of these flue gases is high, and the carbonization furnace cannot use so much energy, the unused energy will be wasted, resulting in a waste of energy. Therefore, the settling chamber is transformed, and the smoke partition wall divides the settling chamber into two independent flues. The flue gas of the second flue enters the underground flue under the suction force of the first exhaust fan, and the flue gas enters the combustion chamber in the burner of the carbonization furnace body through the underground flue, which lengthens the length of the combustion chamber in the burner, so that the flue gas burns more fully. On the one hand, the heat is used for carbonization and dry distillation, which can save the coal of the burner. On the other hand, the oxygen in the burner is burned out, and the oxygen is cut off from entering the furnace, so as to reduce the oxygen content in the carbonization furnace, and prevent the generation of open flames in the carbonization furnace due to too much oxygen, resulting in surface loss and high-temperature graphitization of the carbonized material, which is not conducive to the production and processing of the next process. In this way, the carbonization furnace is oxygen-free, and the dry distillation effect is achieved during the carbonization process.

[0016] 2. The present invention provides a carbonization furnace flue gas recovery device. The heat generated by combustion in the combustion chamber is absorbed by the inner wall of the combustion chamber made of refractory bricks. The refractory bricks can store heat. In addition to storing heat, the refractory bricks can also isolate oxygen. A second exhaust fan is installed at the outlet of the combustion chamber. The second exhaust fan draws the heat stored in the refractory bricks into the burner head and furnace cavity in the carbonization furnace body. The heat is used for carbonization and distillation. On the one hand, it can save coal for the burner head. On the other hand, it cuts off oxygen from entering the furnace, so that the activated carbon can be smoothly distilled, meeting customer requirements and achieving multiple goals at one stroke.

[0017] 3. The smoke recovery device of the carbonization furnace of the present invention can store heat while isolating the air, and can burn the oxygen in the burner as cleanly as possible, so that the surface of the carbonized material will not be over-graphitized, and uneven carbonization will not occur, thereby improving the activation efficiency and making the activation more thorough. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without inventiveness.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] In the figure, 1-carbonization furnace body, 2-sedimentation chamber, 3-incinerator, 4-smoke partition wall, 5-first flue, 6-second flue, 7-underground flue, 8-first exhaust fan, 9-burner head, 10-combustion chamber, 11-outer shell, 12-inner wall, 13-second exhaust fan. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0022] The core of the present invention is to provide an electric cabinet vibration detection device, which can effectively detect early insulation defects and breakdowns inside the cabinet so as to take measures to avoid further development, thereby improving the reliability and safety of the cabinet.

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention, as shown in Figure 1 As shown, the present invention, a carbonization furnace flue gas recovery device, includes a carbonization furnace body 1 and a settling chamber 2, the settling chamber 2 is connected to an incinerator 3, a smoke partition wall 4 is arranged in the settling chamber 2, the smoke partition wall 4 divides the settling chamber 2 into two independent flues, namely a first flue 5 and a second flue 6, the first flue 5 is connected to the incinerator 3, the second flue 6 is connected to an underground flue 7, and a first exhaust fan 8 is installed at the connection between the second flue 6 and the underground flue 7;

[0024] The carbonization furnace body 1 includes a burner head 9, a combustion chamber 10 is arranged in the burner head 9, the combustion chamber 10 includes an outer shell 11 and an inner wall 12, the inner wall 12 is made of refractory bricks, and a second exhaust fan 13 is installed at the outlet of the combustion chamber 10;

[0025] The underground flue 7 is connected to the combustion chamber 10 .

[0026] Specifically, the incinerator 3 is connected to a boiler.

[0027] Specifically, the carbonization furnace further includes a furnace cavity, and the furnace head 9 is connected to the furnace cavity.

[0028] Specifically, the refractory brick is one of the following: carbon brick, graphite refractory product, silicon carbide refractory product and zirconium-containing refractory brick.

[0029] Specifically, the first exhaust fan 8 and the second exhaust fan 13 are made of heat-resistant and high-temperature resistant materials.

[0030] Specifically, the furnace head 9 is a rectangular parallelepiped with a length, a width and a height of 8 m, 3 m and 3 m respectively.

[0031] Working principle of the present invention: After the activated carbon is formed, it needs to enter the carbonization process, and the flue gas generated during the forming process enters the settling chamber 2. Because the energy generated by the combustion of these flue gases is relatively high, and the carbonization furnace cannot use so much energy, the unused energy will be wasted, resulting in energy waste. Therefore, the settling chamber 2 is transformed, and the smoke partition wall 4 separates the settling chamber 2 into two independent flues, namely the first flue 5 and the second flue 6. The smoke entering the first flue 5 enters the incinerator 3 through the first flue 5, and is burned in the incinerator 3 to provide heat for the boiler.

[0032] The flue gas from the second flue 6 enters the underground flue 7 under the suction of the first exhaust fan 8, and then enters the combustion chamber 10 in the burner 9 of the carbonization furnace body 1 through the underground flue 7, which lengthens the length of the combustion chamber 10 in the burner 9, so that the flue gas burns more fully. On the other hand, the oxygen in the burner 9 is burned out, and the oxygen entering the furnace is cut off, reducing the oxygen content in the carbonization furnace, and preventing the generation of open flames in the carbonization furnace due to too much oxygen. The carbonization furnace is oxygen-free, avoiding the surface loss of the carbonized material and the high-temperature graphitization of the surface, which is not conducive to the production and processing of the next process, so that the carbonization process can achieve the effect of dry distillation.

[0033] The heat generated by combustion in the combustion chamber 10 is absorbed by the inner wall 12 made of refractory bricks in the combustion chamber 10, and the refractory bricks are used to store heat. In addition to storing heat, the refractory bricks can also isolate oxygen. A second exhaust fan 13 is installed at the outlet of the combustion chamber 10. The second exhaust fan 13 draws the heat stored in the refractory bricks into the burner 9 and the furnace cavity in the carbonization furnace body 1. The heat is used for carbonization and distillation. On the one hand, it can save coal for the burner 9, and on the other hand, it can cut off oxygen from entering the furnace, killing two birds with one stone.

[0034] The incinerator 3 is connected to a boiler, and the flue gas is burned in the incinerator 3 to provide heat for the boiler.

[0035] The carbonization furnace also includes a furnace cavity, a burner head 9 is connected to the furnace cavity, and the heat generated by combustion in the combustion chamber 10 provides heat for the burner head 9 and the furnace cavity.

[0036] Refractory bricks are one of the following: carbon bricks, graphite refractory products, silicon carbide refractory products and zirconium-containing refractory bricks. Refractory bricks can store heat and also prevent damage caused by high temperatures.

[0037] The first exhaust fan 8 and the second exhaust fan 13 are made of heat-resistant and high-temperature resistant materials, which can prevent high temperature from causing damage to the first exhaust fan 8 and the second exhaust fan 13.

[0038] The furnace head 9 is a rectangular parallelepiped with a length, width and height of 8m, 3m and 3m respectively. The original furnace head 9 is a rectangular parallelepiped with a length, width and height of 3m, 3m and 3m respectively. The length of the combustion chamber 10 is lengthened so that the oxygen of the furnace head 9 can be burned more completely. The lengthening of the combustion chamber 10 also lengthens the length of the furnace head 9.

[0039] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary technical means in the art disclosed in the present application. The specification and examples are to be regarded as exemplary only, and the true scope of the present application is indicated by the claims.

[0040] It should be understood that the present application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above-described embodiments of the present application do not constitute a limitation on the scope of protection of the present application.

Claims

1. A carbonization furnace fume recovery device, comprising a carbonization furnace body and a settling chamber, characterized in that: The settling chamber is connected to an incinerator, the incinerator is connected to a boiler, a smoke partition wall is provided in the settling chamber, the smoke partition wall divides the settling chamber into two independent flues, namely a first flue and a second flue, the first flue is connected to the incinerator, the second flue is connected to an underground flue, and a first exhaust fan is installed at the connection between the second flue and the underground flue; The carbonization furnace body comprises a burner head, a combustion chamber is arranged in the burner head, the combustion chamber comprises an outer shell and an inner wall, the inner wall is made of refractory bricks, and a second exhaust fan is installed at the outlet of the combustion chamber; The underground flue is connected to the combustion chamber; The refractory brick is one of the following: carbon brick, graphite refractory product, silicon carbide refractory product and zirconium-containing refractory brick.

2. The carbonization furnace fume recovery device according to claim 1, characterized in that: The carbonization furnace also includes a furnace cavity, and the furnace head is connected to the furnace cavity.

3. The carbonization furnace fume recovery device according to claim 1, characterized in that: The first exhaust fan and the second exhaust fan are made of heat-resistant and high-temperature resistant materials.

4. The carbonization furnace fume recovery device according to claim 1, characterized in that: The furnace head is a cuboid with a length, width and height of 8m, 3m and 3m respectively.

Images