CN220201813U

CN220201813U - High-coloring soft carbon black reaction device

Info

Publication number: CN220201813U
Application number: CN202321379710.0U
Authority: CN
Inventors: 张�杰; 汤国军; 张晓明; 徐全良
Original assignee: Wuxi Double Carbon Black Technology Co ltd
Current assignee: Wuxi Double Carbon Black Technology Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2023-12-19
Anticipated expiration: 2033-06-01

Abstract

The utility model provides a high-coloring soft carbon black reaction device which comprises a combustion section, a throat pipe, a reaction section, a quenching section and a residence section which are connected in sequence, wherein the combustion section is provided with a fuel inlet and a hot air inlet; the reaction section is provided with a plurality of pulse mixed gas inlets, and the pulse mixed gas pipe comprises a nitrogen pipe, an air pipe and a pulse valve. According to the utility model, nitrogen is continuously and uniformly sprayed into the reaction section, and air is sprayed into the nitrogen in a pulse intermittent mode, and the nitrogen and the pulse air are mixed together according to a certain proportion to enter the reaction section, so that the coloring strength of the soft carbon black is improved.

Description

High-coloring soft carbon black reaction device

Technical Field

The utility model relates to the field of carbon black production equipment, in particular to a high-coloring soft carbon black reaction device.

Background

The carbon black is amorphous carbon, is light, loose and extremely fine black powder, has very large surface area and ranges from 10 to 3000m ² And/g is a carbonaceous material (coal, natural gas, heavy oil),Fuel oil, etc.) under conditions of insufficient air, by incomplete combustion or thermal decomposition. "gas black" made of natural gas, "lamp black" made of oils, and "acetylene black" made of acetylene. In addition, "channel black" and "furnace black" are also included. The carbon black performance is classified into reinforcing carbon black, conductive carbon black, wear-resistant carbon black and the like. Can be used as black dye for manufacturing Chinese ink, printing ink, paint and the like, and also used as reinforcing agent of rubber.

In the existing production process, the following defects exist:

the color strength of the soft carbon black product produced by the existing soft carbon black reaction furnace is 45-55 in the quality index, and the soft carbon black product cannot meet the requirements of customers with high color strength soft carbon black.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a high-coloring soft carbon black reaction device, which adopts nitrogen to continuously and uniformly spray into a reaction section, and air is sprayed into the nitrogen in a pulse intermittent mode, and the nitrogen and the pulse air are mixed together according to a certain proportion to enter the reaction section, so that the coloring strength of the soft carbon black is improved.

The utility model provides a high-coloring soft carbon black reaction device which comprises a combustion section, a throat, a reaction section, a quenching section and a residence section which are sequentially connected, wherein the combustion section is provided with a fuel inlet and a hot air inlet, a plurality of pulse mixed gas inlets are arranged in the reaction section, each pulse mixed gas inlet is connected with a nitrogen pipe and an air pipe, and a pulse valve is arranged on the air pipe.

Further improved, the number of the pulse gas mixture inlets is 1-8, preferably 3-5.

Further improved, the pulse gas mixture inlet comprises a nitrogen pipe, an air pipe and a pulse valve.

Further improved, the ratio of the cross section area of the nitrogen pipe to the cross section area of the air pipe is 10-50:1, preferably 15-30:1. The pulse mixed gas is a mixture of nitrogen and pulse air, wherein the volume ratio of the nitrogen to the air is 10-50:1, preferably 15-30:1, and the volume amount of the mixed gas adopted by each ton of carbon black is as follows: 300-500 m.

Further improved, the air in the pulse mixture enters in a pulse mode, the pulse period is 10-20 seconds, the pulse time is 0.3-0.5 seconds, and the air pressure is 0.5-0.6 MPa.

The working method of the utility model is as follows:

1. hot air and fuel enter the combustion section from the hot air inlet and the fuel inlet respectively for combustion, and high-temperature gas is generated after combustion;

2. the high-temperature flue gas generated after combustion in the combustion section enters the throat pipe, then is respectively contacted and mixed with the additive and the raw oil in sequence, and then flows out to enter the reaction section; simultaneously, mixed gas of nitrogen and pulse air is sprayed into the reaction section, and the volume of the mixed gas adopted by each ton of carbon black is as follows: 300-500 m of range;

3. all materials are reacted in the reaction section to produce carbon black and carbon black tail gas, the carbon black and the tail gas enter a quenching section, and the quenching is carried out by the added cooling fluid to terminate the carbon black reaction;

4. and (3) the carbon black and carbon black tail gas after the reaction is stopped enter a residence section, and the physical and chemical properties of the carbon black are stabilized in the residence section.

The utility model has the beneficial effects that:

nitrogen is continuously and uniformly sprayed into the reaction section, and air is sprayed into the nitrogen in a pulse intermittent mode, and the nitrogen and the pulse air are mixed together according to a certain proportion to enter the reaction section, so that the coloring strength of the soft carbon black is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a cross-sectional view of A-A, B-B, C-C of FIG. 1.

In the figure, a 1-combustion section, a 2-throat, a 3-reaction section, a 4-quenching section, a 5-residence section, a 6-fuel inlet, a 7-hot air inlet, an 8-pulse mixed gas inlet, a 9-nitrogen pipe, a 10-air pipe and an 11-pulse valve are arranged.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an energy-saving carbon black reaction device which comprises a combustion section 1, a throat pipe 2, a reaction section 3, a quenching section 4 and a residence section 5 which are sequentially connected, wherein the combustion section is provided with a fuel inlet 6 and a hot air inlet 7. A plurality of pulse mixed gas inlets 8 are arranged in the reaction section, and the pulse mixed gas pipe comprises a nitrogen pipe 9, an air pipe 10 and a pulse valve 11.

Further improved, the pulse mixed gas is a mixture of nitrogen and pulse air, wherein the volume ratio of the nitrogen to the air is in the range of 10-50:1, preferably 15-30:1, and the volume amount of the mixed gas adopted per ton of carbon black is as follows: 300-500 m.

The working method of the utility model is as follows:

Three embodiment parameters of the utility model are provided below:

in this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the equipment examples, what has been described above is merely a preferred embodiment of the utility model, which, since it is substantially similar to the method examples, is described relatively simply, as relevant to the description of the method examples. The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, since modifications and substitutions will be readily made by those skilled in the art without departing from the spirit of the utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The utility model provides a high coloring soft carbon black reaction unit, includes burning section, choke, reaction section, quench zone and the section of staying that connects gradually, the burning section is opened has fuel inlet and hot air inlet, its characterized in that: the reaction section is internally provided with a plurality of pulse mixed gas inlets, each pulse mixed gas inlet is connected with a nitrogen pipe and an air pipe, and a pulse valve is arranged on the air pipe.

2. The highly colored soft carbon black reaction device of claim 1, wherein: the number of the pulse mixed gas inlets is 1-8.

3. The highly colored soft carbon black reaction device of claim 1, wherein: the number of the pulse mixed gas inlets is set to 3-5.

4. The highly colored soft carbon black reaction device of claim 1, wherein: the ratio of the cross section area of the nitrogen pipe to the cross section area of the air pipe is 10-50:1.

5. The highly colored soft carbon black reaction device of claim 1, wherein: the ratio of the cross section area of the nitrogen pipe to the cross section area of the air pipe is 15-30:1.