Efficient carbon black quenching device

Abstract

The invention relates to an efficient carbon black quenching device which comprises at least two rows of cooling assemblies, each row of cooling assemblies comprises at least two quenching water gun assemblies, the quenching water gun assemblies are symmetrically arranged along the axis of a quenching section of a carbon black reaction furnace, and the quenching water gun assemblies in every two adjacent rows of cooling assemblies are distributed in a staggered mode. The quenching water gun assembly comprises at least two quenching water guns which are arranged side by side in the axial direction of the quenching section of the carbon black reacting furnace, a quenching water gun mounting valve is arranged on the outer wall of the quenching section of the carbon black reacting furnace, the quenching water guns are detachably connected with the quenching water gun mounting valve, and the spraying angles of the quenching water guns in the quenching water gun assembly are staggered. In each row of cooling assemblies, the injection pressure of the quenching water guns is gradually increased in the advancing direction of the carbon black flue gas. The quenching water gun can overcome the defect that quenching water sprayed by an existing quenching water gun cannot reach the center of a quenching section of the carbon black reaction furnace, reduces coverage dead angles of the quenching water, and improves the quenching effect and the quenching efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of carbon black flue gas quenching, and in particular to a highly efficient carbon black quenching device. Background Art

[0002] In the carbon black production process, an important process control is to quickly cool down the carbon black flue gas by spraying quenching water in the quenching section of the reactor to terminate the carbon black reaction in time. If the reaction is not terminated in time, the quality of the carbon black product will be reduced; in addition, since the reaction in the carbon black reactor is an exothermic reaction, a large amount of heat will be generated during the process, and the high temperature will cause damage to the rear equipment and even cause safety accidents. Therefore, by spraying quenching water through the quenching device, the temperature of the carbon black flue gas can be quickly reduced, so that the carbon black reaction is terminated at a suitable temperature, which not only controls the quality of the carbon black product, but also ensures the safe operation of the carbon black production equipment.

[0003] Conventional carbon black reactors are quenched by connecting multiple rows of quenching water guns in the quenching section and spraying quenching water radially into the quenching section of the carbon black reactor. However, the atomizing surface of the radial water gun cannot fully cover the carbon black flue gas, and a gap will be formed in the center of the quenching section of the carbon black reactor. When some carbon black passes through this gap, it cannot fully contact the atomized quenching water, and this part of the carbon black will continue the reaction process, resulting in uneven reaction time of this part of the carbon black, thereby making the quality of the carbon black product uneven, increasing fuel consumption, reducing the yield, and reducing the economic benefits of the enterprise. Summary of the invention

[0004] The purpose of the present invention is to provide an efficient carbon black quenching device, which can overcome the defect that the quenching water sprayed by the existing quenching water gun cannot reach the center of the quenching section of the carbon black reactor, reduce the coverage dead corners of the quenching water, and improve the quenching effect and quenching efficiency.

[0005] The technical solution adopted by the present invention is: an efficient carbon black quenching device, comprising at least two rows of cooling components, each row of cooling components comprising at least two groups of quenching water gun components, the quenching water gun components are symmetrically arranged along the axis of the quenching section of the carbon black reactor, and the quenching water gun components in two adjacent rows of cooling components are staggered; the quenching water gun components include at least two quenching water guns arranged side by side along the axial direction of the quenching section of the carbon black reactor, a quenching water gun mounting valve is arranged on the outer wall of the quenching section of the carbon black reactor, the quenching water gun is detachably connected to the quenching water gun mounting valve, and the injection angles of each quenching water gun in the quenching water gun assembly are staggered with each other; in each row of cooling components, the injection pressure of the quenching water gun gradually increases along the forward direction of the carbon black flue gas.

[0006] Furthermore, along the advancing direction of the carbon black smoke, the number of quenching water guns in the quenching water gun assembly of every 3 to 5 rows of cooling assemblies is set according to a decreasing rule.

[0007] Furthermore, the spray angle of the quenching water in the quenching water gun is 15~45°.

[0008] Furthermore, the quenching water gun includes a quenching water pipe, a quenching water nozzle, a quenching air duct and a quenching air nozzle. A quenching water nozzle is provided at one end of the quenching water pipe and extends into the quenching section of the carbon black reactor. The quenching air duct is sleeved on the outside of the quenching water pipe, and at least two quenching air nozzles are provided at one end close to the quenching water nozzle. The quenching air nozzles are arranged around the quenching water nozzle.

[0009] Furthermore, the spray angle of the quenching air nozzle is 5~20°.

[0010] The beneficial effects of the present invention are: (1) The present invention uses quenching water with gradually increasing pressure to spray quenching water through quenching water guns arranged side by side to form oblique quenching water mist. On the one hand, the quenching water can reach the center of the quenching section of the carbon black reactor by increasing the spraying pressure. On the other hand, the oblique quenching water mist can more effectively buffer the flow rate of the carbon black flue gas, increase the contact area between the carbon black flue gas and the quenching water mist, reduce the coverage dead angle of the quenching water, and improve the quenching effect and efficiency. (2) In the present invention, along the forward direction of the carbon black flue gas, the number of quenching water guns in the quenching water gun assembly of every 3 to 5 rows of cooling assemblies is arranged in a decreasing pattern, thereby forming a regular oblique quenching water mist, the spray angle of the quenching water can be adjusted, and the spray angles of each quenching water gun in the quenching water gun assembly are staggered with each other, which can effectively reduce the coverage dead angle of the quenching water and avoid the formation of vacancies in the center of the quenching section of the carbon black reactor; the quenching air can assist in adjusting the spray angle of the quenching water and promote the mixing of the quenching water and the carbon black flue gas, further improving the quenching effect and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the side structure of an embodiment of the present invention; Figure 2 is a schematic diagram of a cross-sectional structure of an embodiment of the present invention; Figure 3 It is a schematic diagram of the structure of a quenching water gun in an embodiment of the present invention.

[0013] Explanation of the accompanying drawings: 1-quenching water gun, 2-quenching water gun mounting valve, 3-quenching water pipe, 4-quenching water nozzle, 5-quenching air duct, 6-quenching air nozzle, 7-quenching section of carbon black reactor. DETAILED DESCRIPTION

[0014] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and therefore, the present invention is not limited to the limitations of the specific embodiments disclosed below.

[0015] Unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by persons of ordinary skill in the field described in this application. The words "first", "second" and similar terms used in this patent application specification and claims do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "an" do not indicate a quantity limitation, but indicate the existence of at least one. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship also changes accordingly.

[0016] like Figure 1~Figure 3 As shown, an efficient carbon black quenching device comprises at least two rows of cooling components, each row of cooling components comprises at least two groups of quenching water gun components, the quenching water gun components are symmetrically arranged along the axis of the quenching section 7 of the carbon black reactor, and the quenching water gun components in the two adjacent rows of cooling components are staggered so that the quenching water sprayed by the quenching water gun 1 can cover the entire cross section of the quenching section 7 of the carbon black reactor. The quenching water gun component comprises at least two quenching water guns 1 arranged side by side along the axial direction of the quenching section 7 of the carbon black reactor, a quenching water gun mounting valve 2 is arranged on the outer wall of the quenching section 7 of the carbon black reactor, the quenching water gun 1 is detachably connected to the quenching water gun mounting valve 2, and the spraying angles of each quenching water gun 1 in the quenching water gun component are staggered; in each row of cooling components, along the advancing direction of the carbon black flue gas, the spraying pressure of the quenching water gun 1 gradually increases, so that the quenching water mist sprayed by each row of cooling components forms an oblique water mist wall, increasing the contact area between the carbon black flue gas and the quenching water, and improving the quenching effect.

[0017] In the embodiment of the present invention, the number of quenching water gun assemblies in each row of cooling assemblies is 4. In the same row of cooling assemblies, two adjacent groups of quenching water gun assemblies are arranged at 90° intervals, and the quenching water gun assemblies of two adjacent rows of cooling assemblies are arranged at 30° intervals. Along the advancing direction of the carbon black smoke, the number of quenching water guns 1 in the quenching water gun assemblies of every 3 to 5 rows of cooling assemblies is arranged according to a decreasing rule, thereby forming a regular oblique quenching water mist in the quenching section 7 of the carbon black reactor, fully mitigating the carbon black smoke flow rate, and promoting the mixing of carbon black smoke and quenching water mist. In the embodiment of the present invention, three rows of cooling assemblies are used as an array cycle. Along the advancing direction of the carbon black smoke, the number of quenching water guns 1 in the quenching water gun assemblies of the three rows of cooling assemblies are 4, 3, and 2, respectively.

[0018] In order to reduce the dead angle of the quenching water mist, the spray angle of the quenching water gun 1 can be adjusted, and the preferred spray angle of the quenching water is 15~45°. The quenching water gun 1 includes a quenching water pipe 3, a quenching water nozzle 4, a quenching air duct 5 and a quenching air nozzle 6. The quenching water pipe 3 is provided with a quenching water nozzle 4 at one end and extends into the furnace body. The quenching air duct 5 is sleeved on the outside of the quenching water pipe 3, and at least two quenching air nozzles 6 are provided at one end close to the quenching water nozzle 4. The quenching air nozzle 6 is arranged around the quenching water nozzle 4. The spray angle of the quenching air nozzle 6 is 5~20°. In the embodiment of the present invention, the number of the quenching air nozzles 6 is 4, and the quenching air can assist in adjusting the spray angle of the quenching water, and promote the mixing of the quenching water and the carbon black smoke, further improving the quenching effect and quenching efficiency.

[0019] The working principle of the present invention is as follows: Insert the quenching water gun 1 into the quenching water gun installation valve 2, and connect the quenching water valve and the quenching air valve to complete the assembly of the quenching water gun 1. After the carbon black flue gas enters the quenching section 7 of the carbon black reactor, atomized quenching water is sprayed into the quenching section 7 of the carbon black reactor through the quenching water gun 1. Since the injection pressure of each quenching water gun 1 in each row of cooling components is inconsistent, an oblique water mist wall can be formed. After the carbon black flue gas flowing at high speed in the axial direction contacts the oblique quenching water mist, the flow rate is buffered under the action of the quenching water mist, and the impact on the quenching water mist is gradually reduced. Therefore, the quenching water mist sprayed by the quenching water gun 1 at the rear of the quenching water guns 1 arranged side by side can effectively reach the center of the quenching section 7 of the carbon black reactor, avoiding vacancies in the center. At the same time, the regular oblique quenching water mist can further promote the mixing of carbon black flue gas and quenching water mist, and improve the quenching effect and quenching efficiency. The quenching air can assist in adjusting the spraying angle of the quenching water, reduce the blind spots of the quenching water spray, and promote the quenching water to reach the center of the quenching section 7 of the carbon black reactor, so that the quenching water and the carbon black flue gas are fully mixed, further improving the quenching effect and efficiency.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An efficient carbon black quenching device, characterized in that: It comprises at least two rows of cooling components, each row of cooling components comprises at least two groups of quenching water gun components, the quenching water gun components are symmetrically arranged along the axis of the quenching section of the carbon black reactor, and the quenching water gun components in two adjacent rows of cooling components are staggered; the quenching water gun components comprise at least two quenching water guns arranged side by side along the axial direction of the quenching section of the carbon black reactor, a quenching water gun mounting valve is arranged on the outer wall of the quenching section of the carbon black reactor, the quenching water gun is detachably connected to the quenching water gun mounting valve, and the spraying angles of each quenching water gun in the quenching water gun components are staggered with each other; in each row of cooling components, the spraying pressure of the quenching water gun gradually increases along the forward direction of the carbon black smoke.

2. An efficient carbon black quenching device according to claim 1, characterized in that: Along the advancing direction of the carbon black smoke, the number of quenching water guns in the quenching water gun assembly of every 3 to 5 rows of cooling assemblies is set according to a decreasing rule.

3. An efficient carbon black quenching device according to claim 2, characterized in that: The spray angle of the quenching water in the quenching water gun is 15-45°.

4. An efficient carbon black quenching device according to claim 3, characterized in that: The quenching water gun includes a quenching water pipe, a quenching water nozzle, a quenching air duct and a quenching air nozzle. A quenching water nozzle is arranged at one end of the quenching water pipe and extends into the quenching section of the carbon black reactor. The quenching air duct is sleeved on the outside of the quenching water pipe, and at least two quenching air nozzles are arranged at one end close to the quenching water nozzle. The quenching air nozzles are arranged around the quenching water nozzle.

5. An efficient carbon black quenching device according to claim 4, characterized in that: The spray angle of the quenching air nozzle is 5-20°.

Images