Carbon black reactor with cooling function

Abstract

The present invention relates to a carbon black reactor having a cooling function that does not change the diameter of a combustion port by continuously cooling the combustion port of a reactor that causes a chemical reaction at a high temperature to generate carbon black. The carbon black reactor includes a pair of flanges spaced apart from each other, and a combustion port 113 that is a through central portion connecting the spaced-apart flanges, and a main body made of a metal material having the combustion port 113 where a reaction of combustion gas and raw material oil occurs, a plurality of injection nozzles for injecting raw material oil into the combustion port, a pair of cooling chambers provided on the inner plate surfaces of the flanges facing each other, the pair of cooling chambers being configured to exchange heat with the flanges while spreading cooling water over the entire surface of the flanges, a distribution cooling pipe disposed so as to surround the outer peripheral surface of the combustion port and forming a flow path with a space therebetween, the distribution cooling pipe being partitioned by a partition plate into a first supply flow path and a second supply flow path and guiding the supplied cooling water to each cooling chamber while exchanging heat with the entire combustion port, a pair of cooling water supply pipes provided in each of the first supply flow path and the second supply flow path for supplying cooling water, and a cooling water discharge pipe provided in each of the pair of cooling chambers for discharging the heat-exchanged cooling water.

Description

Technical Field

[0001] The present invention relates to a carbon black reactor, and more particularly, to a carbon black reactor having a cooling function that continuously cools a reactor that causes a chemical reaction at a high temperature to produce carbon black, without changing the diameter of a combustion port disposed inside the reactor.

Background Art

[0002] Generally, carbon black is widely used in various fields such as ink, paint, reinforcing filler, conductive material, positive electrode material for secondary batteries, electromagnetic wave shielding material, heating member, etc. Carbon black has excellent physicochemical properties and thermal properties such as conductivity, chemical resistance, weather resistance, and heat resistance, and is manufactured in the form of pellets, powders, etc. together with various ceramic materials, and applied to various product additives.

[0003] Therefore, producing a uniformly dispersed carbon black product is an important factor in casting processes such as slip casting, tape casting, injection molding, and extrusion molding.

[0004] Carbon black is manufactured by the furnace method, channel method, thermal method, acetylene method, etc. Among them, the furnace method is the most commonly used because it can produce carbon black more efficiently.

[0005] In the furnace process, as shown in FIG. 1, inside a heating furnace 10 whose interior is heated to a high temperature, liquid or gaseous combustion oil is supplied together with air through a nozzle, reacts with an oxidizing agent to generate high-temperature combustion gas, and the generated combustion gas passes through a reactor 20 into which raw material oil (such as bunker C oil) is injected through an injection nozzle 21. While passing through, it chemically reacts with the raw material oil at a high temperature (1500 degrees or more), thereby causing incomplete combustion, thermal decomposition, or dehydrogenation reaction to generate a mixed gas containing carbon black. The generated mixed gas is manufactured and commercialized into products of specific shapes such as pellets or beads through subsequent processes, conventional capture processes, and forming processes.

[0006] In this case, since the reactor 20 becomes a high-temperature environment due to the combustion of combustion gas and raw material oil, and the moving speed becomes fast, it is necessary to line it with a highly heat-resistant refractory material 23.

[0007] Such a refractory material 23 is arranged in the reactor while maintaining a predetermined thickness, as shown in FIG. 2, and a circular combustion port 25 is formed at its central part where the raw material oil and combustion gas supplied thereto burn.

[0008] However, even if the refractory material 23 has high heat resistance, since a high-temperature environment continues to be maintained at the combustion port 25, the inner diameter of the combustion port 25 of the refractory material 23 gradually melts and the shape of the inner diameter changes during use for about 3 to 4 months. Therefore, the reactor 20 must be replaced regularly.

[0009] When continuous operation is performed with the changed inner diameter of the combustion port 25, there is a fatal problem that the production volume changes according to the set data value of the combustion port, and the quality of the carbon black deteriorates.

[0010] Furthermore, since the refractory material is made of a Class 1 carcinogen, there are also environmental problems in disposal.

Prior Art Documents

Patent Documents

[0011]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0012] The present invention has been made to solve the above-mentioned problems and technical damages. The object of the present invention is to continuously circulate cooling water in a combustion port made of a metal material and heated to a high temperature, and cool the entire combustion port, thereby preventing a change in the diameter of the combustion port, and providing a carbon black reactor having a cooling function.

Means for Solving the Problems

[0013] The carbon black reactor having a cooling function of the present invention for achieving the above object includes a pair of flanges spaced apart from each other, and a combustion port 113 that is a through central portion connecting the spaced-apart flanges, and a main body made of a metal material having the combustion port 113 where a reaction of combustion gas and raw material oil occurs, a plurality of injection nozzles for injecting raw material oil into the combustion port, a pair of cooling chambers respectively provided on the inner plate surfaces of the flanges facing each other, and a pair of cooling chambers configured to exchange heat with the flanges while spreading cooling water over the entire surface of the flanges, a distribution cooling pipe disposed so as to surround the outer peripheral surface of the combustion port and forming a flow path at intervals, and partitioned by a partition plate into a first supply flow path and a second supply flow path, and a distribution cooling pipe that guides the supplied cooling water to each cooling chamber while exchanging heat with the entire combustion port, a pair of cooling water supply pipes provided in each of the first supply flow path and the second supply flow path for supplying cooling water, and cooling water discharge pipes provided in each of the pair of cooling chambers for discharging the heat-exchanged cooling water.

[0014] In this case, the cooling chamber is arranged on the inner plate surface of the flange while passing through the distribution cooling pipe, and forms a cooling space so that cooling water can be induced from the distribution cooling pipe for heat exchange of the flange. It is preferably composed of a circular cooling housing and a spiral guide arranged inside the cooling housing, which forms a flow path so that the cooling water induced from the distribution cooling pipe spreads spirally toward the outside of the plate surface of the flange.

[0015] In addition, it is preferable that inlet holes communicating with the cooling chamber are formed at both ends of the distribution cooling pipe so that the cooling water supplied to the first and second supply channels flows into the cooling chamber.

[0016] Furthermore, gaps are preferably formed inside the first and second supply channels of the distribution cooling pipe, in a state of being fixed to the distribution cooling pipe, inclined in the range of 25 degrees to 35 degrees and spaced apart from the outer peripheral surface of the combustion port, so that the flow velocity of the cooling water passing through the gaps can be concentrated at both ends of the combustion port.

[0017] In addition, it is preferable that recesses for delaying the circulation period of the cooling water are formed on the flange plate surface provided with the cooling chamber so that the heat exchange of the cooling water flowing in the cooling chamber can be concentrated at both ends of the combustion port.

[0018] On the other hand, the injection nozzle is preferably connected to a plurality of injection sockets penetrating the distribution cooling pipe while being arranged radially around the combustion port.

[0019] In addition, it is preferably further provided with a notch portion made of a heat-resistant metal material for reinforcing the carbonization of the diameter corner of the combustion port around the circumference of the diameter of one end of the combustion port.

[0020] Finally, it is preferable that a plurality of support members are arranged radially between a pair of flanges to maintain the separated state of the flanges.

Advantages of the Invention

[0021] According to the carbon black reactor with a cooling function of the present invention having the above configuration, in the carbon black reactor of the present invention, the combustion port of the carbon black reactor is made of a heat-resistant metal material, and cooling water is supplied in both directions to enhance the cooling efficiency of the combustion port heated to a high temperature. By cooling the combustion port while circulating the cooling water in a state where the combustion port is wrapped by the supplied cooling water, it has an excellent effect of fundamentally preventing the diameter of the combustion port from deforming due to continuous exposure at a high temperature as in the prior art.

[0022] In particular, the structural effect of further enhancing the stability of the vulnerable part by concentrating the flowing cooling water on the vulnerable part around the diameter of the end of the combustor is also excellent.

[0023] Furthermore, since the shape of the combustion port of the carbon black reactor is maintained, it is possible to keep the quality of the produced carbon black constant, and in particular, it has the effect of not generating refractory waste as in the prior art.

Brief Description of the Drawings

[0024]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Best Mode for Carrying Out the Invention

[0025] Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The embodiments of the present invention can be changed into various forms, and the scope of the present invention should not be construed as being limited to the embodiments described below. This embodiment is provided to explain the present invention in more detail to those skilled in the art. Therefore, the shape of each element shown in the drawings may be exaggerated for the purpose of emphasizing a more explicit explanation.

[0026] Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by these terms. These terms are only used for the purpose of distinguishing one component from another.

[0027] The terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. In this application, terms such as "comprising" or "having" are intended to specify the features, numerical values, steps, operations, components, parts, or combinations thereof described in this specification, but it should be understood that the presence or addition of one or more other features, numerical values, steps, operations, components, parts, or combinations thereof is not precluded in advance.

[0028] FIG. 3 is a reference view of installing the carbon black reactor of the present invention in a carbon black production system, FIGS. 4 and 5 are perspective views and detailed cross-sectional views showing the carbon black reactor of the present invention, FIG. 6 is a detailed cross-sectional view taken along line I-I of FIG. 5, the cooling housing of the cooling chamber has been removed, and FIG. 7 is a detailed cross-sectional view taken along line II-II of FIG. 5, and the cooling housing of the cooling chamber has been removed.

[0029] As shown in FIGS. 3 to 7, the carbon black reactor 100 of the present invention includes a pair of flanges 111 spaced apart from each other, and a combustion port 113 that is a through central portion connecting the spaced flanges 111, and a reaction between combustion gas and raw material oil occurs in the combustion port 113. A main body 110 made of a metal material having a combustion port 113, a plurality of injection nozzles 120 for injecting raw material oil into the combustion port 113, and a pair of cooling chambers 130 provided on the inner plate surfaces of the flanges 111 facing each other, respectively. A pair of cooling chambers configured to exchange heat with the flanges 111 while spreading cooling water over the entire surface of the flanges 111, and a distribution cooling pipe 140 disposed so as to surround the outer peripheral surface of the combustion port 113 and forming a flow path at intervals. The partition plate 141 divides the partition plate 141 into a first supply flow path 142 and a second supply flow path 143, and supplies the supplied cooling water to the combustion port 113. A distribution cooling pipe that guides each cooling chamber 130 while exchanging heat with the entire body, a pair of cooling water supply pipes 150 provided in each of the first supply flow path 142 and the second supply flow path 143 for supplying cooling water, and each of the pair of cooling chambers 130. And a cooling water discharge pipe 160 for discharging the heat-exchanged cooling water.

[0030] The most important feature of the carbon black reactor 100 of the present invention is that the combustion port 113 of the reactor that generates a mixed gas containing carbon black by the reaction between combustion gas and raw material oil is made of a metal material, and the diameter shape of the combustion port 113 does not deform. Thus, the reactor has a structure for cooling the combustion port 113 that is continuously exposed to a high-temperature environment.

[0031] In addition, the structure described later for forming the carbon black reactor 100 is made of a heat-resistant metal material, and each structure is arranged by welding.

[0032] In addition, the same reference numerals are given to pairs having the same structure, and only a single structure will be described in order to avoid confusion in the description.

[0033] The carbon black reactor 100 of the present invention is coupled to the heating furnace 10 on the left side of the figure. As shown in FIG. 3, on the system pipeline for generating carbon black, liquid or gaseous combustion oil is supplied together with air and reacted with an oxidant to generate high-temperature combustion gas.

[0034] On the right side of the carbon black reactor 100 in the figure, a separate transfer pipe is provided. The mixed gas containing carbon black generated by the reaction of the combustion gas and the raw material oil can move to the subsequent process in the carbon black reactor 10. Since the subsequent process of the mixed gas is a common matter, its description is omitted.

[0035] This main body 110 reacts the combustion gas introduced from the heating furnace 10 with the supplied raw material oil, and includes a pair of flanges 111 made of a metal material and a combustion port 113.

[0036] As shown in FIGS. 4 and 5, the pair of flanges 111 are formed in a disc shape having a predetermined thickness and are provided at a predetermined interval in a direction facing each other.

[0037] The cylindrical combustion port 113 connects the separated flanges 111 to form a pair of flanges 111 in an integral shape. The central portion of the combustion port 113 penetrates circularly in the longitudinal direction, and the combustion gas induced from the heating furnace 10 reacts with the raw material oil supplied through the injection nozzle 120 described later.

[0038] Here, the pair of flanges 111 and the combustion port 113 are made of metal materials with different heat resistances. In the case of the combustion port 113, SUS316L with a reduced carbon concentration is preferably used to withstand a high-temperature (1500 degrees or more) environment. In the case of the pair of flanges 111, SUS304 with iron added with chromium, nickel, and manganese is preferably used.

[0039] And as shown in FIG. 5, the pair of flanges 111 and the combustion port 113 are welded to form the shape of the single body 110.

[0040] Furthermore, a plurality of connection holes 111b for passing bolts (not shown) for connecting the flange 111 and an adjacent pipe are formed in the outer peripheral portion of the flange 111.

[0041] Note that the materials of the combustion port 113 and the flange 111 in this embodiment are merely examples and are not limited as long as they are metals that can withstand a high-temperature environment.

[0042] On the other hand, as shown in FIG. 5, a notch portion 114 made of a heat-resistant metal material may be further provided around the diameter of one end (the right side in the mixed gas exhaust direction in the figure) of the combustion port 113 to reinforce the carbonization of the diameter edge portion of the combustion port 113 due to the high temperature caused by the reaction between the combustion gas and the raw material oil.

[0043] In this case, the notch portion 114 is made of duplex stainless steel 2207, which is a heat-resistant metal material, and is preferably fixed to the diameter edge portion of the combustion port 113 by welding.

[0044] The injection nozzle 120 can directly inject raw material oil (bunker C oil) into the combustion port 113 so that the combustion gas flowing into the combustion port 113 reacts with the raw material oil. As shown in FIGS. 4 to 7, four nozzles are radially installed along the diameter of the combustion port 113.

[0045] In this case, the injection nozzle 120 is connected to four injection sockets 121 that are radially connected to the combustion port 113 along the diameter of the combustion port 113 in a state of penetrating a distribution cooling pipe 140 to be described later, and is connected to a supply line of a raw material oil supply tank (not shown).

[0046] The injection socket 121 is provided so as to penetrate the distribution cooling pipe 140, whereby stable support of the injection nozzle 120 connected to the injection socket 121 can be achieved simultaneously with the support of the injection socket 121 connected to the combustion port 113.

[0047] In addition, the injection nozzle 120 is connected to a raw material oil supply tank (not shown) and injects the raw material oil into the combustion port 113 via the supply pressure.

[0048] In this embodiment, four injection nozzles 120 are provided, but the number is not limited and can be changed according to the diameter of the combustion port 113.

[0049] The cooling chamber 130 spreads the cooling water introduced through a distribution cooling pipe 140 (described later) over the entire surface of the flange 111 to enable heat exchange (cooling) of the flange 111. It is configured as a pair and is provided on the inner plate surfaces of the pair of flanges 111 facing each other.

[0050] Specifically, the cooling chamber 130 is configured to secondarily cool the entire surface of the flange 111 in the process of the cooling water that is supplied to the distribution cooling pipe 140, mainly cools the combustion port 113, and flows toward a cooling water discharge pipe 160 (described later).

[0051] Here, since the pair of cooling chambers 130 have the same structure as shown in FIGS. 4 to 7, only a single cooling chamber 130 will be described. The cooling chamber 130 includes a cooling housing 131 and a spiral guide 133.

[0052] As shown in FIG. 5, the cooling housing 131 is arranged in a circular shape corresponding to the flange 111 on the inner plate surface of the opposing flange 111 and penetrates the distribution cooling pipe 140 (described later).

[0053] In this case, the cooling housing 131 maintains a predetermined height so that cooling water is induced from the distribution cooling pipe 140 for heat exchange over the entire surface of the flange 111, and a cooling space is formed in which the spiral guide 133 (described later) is arranged.

[0054] As shown in FIGS. 6 and 7, the spiral guide 133 maintains a spiral shape having a predetermined height, thereby forming a flow path through which the cooling water flowing into the cooling housing 131 flows.

[0055] Specifically, the spiral guide 133 is disposed inside the cooling housing 131, forming a spiral path. As a result, the cooling water that is heat-exchanged at the combustion port 113 and guided through the distribution cooling pipe 140 spreads spirally from the center of the flange 111 toward the outside of the plate surface, enabling heat exchange across the entire surface of the flange 111.

[0056] Therefore, the spiral guide 133 forms a long path through which the cooling water flows, expands the heat exchange contact area, and enables the cooling water to flow rapidly through the spiral path.

[0057] In the absence of the spiral guide 133, the cooling water around the cooling water discharge pipe 160 described later can be discharged promptly. However, since the discharge of the cooling water in the portion away from the cooling water discharge pipe 160 becomes slow, the temperature distribution of the cooling water flowing in the cooling chamber 130 changes, and heat exchange does not occur uniformly.

[0058] On the other hand, as shown in FIG. 5, a circular recess 111a having a predetermined height and width centered on the combustion port 113 may be formed on the plate surface of the flange 111 covered by the cooling housing 131 of the cooling chamber 130. Thereby, the heat exchange of the cooling water flowing along the spiral guide 133 of the cooling chamber 130 can be concentrated near the end of the combustion port 113.

[0059] Such a recess 111a further deepens and widens the flow path through which the cooling water can flow, delaying the flow period of the cooling water flowing through the spiral guide 133 only in the recess 111a. Therefore, as shown in FIG. 5, intensive heat exchange can be performed near the end of the combustion port 113.

[0060] In addition, it goes without saying that the spiral guide 133 in the portion where the recess 111a is formed is provided so as to extend to the recess 111a, as shown in FIG. 5.

[0061] The distribution cooling pipe 140 mainly heat-exchanges the cooling water supplied through the cooling water supply pipe 150 described later across the entire combustion port 113, and then flows the cooling water into each cooling chamber 130 provided on the pair of flanges 111.

[0062] Therefore, as shown in FIGS. 4 to 7, the distribution cooling pipe 140 has a predetermined length, both ends of which are fixed to the inner surfaces of the pair of flanges 111, and has a cylindrical shape that covers the outer peripheral surface of the combustion port 113 while being spaced apart therefrom. Thereby, a flow path through which cooling water flows is formed between the distribution cooling pipe 140 and the outer peripheral surface of the combustion port 113.

[0063] The flow path between the distribution cooling pipe 140 and the outer peripheral surface of the combustion port 113 is divided into a first supply flow path 142 and a second supply flow path 143 by a partition plate 141 disposed at the longitudinal center of the distribution cooling pipe 140, and the supplied cooling water is simultaneously guided to each cooling chamber 130 provided in the pair of flanges 111.

[0064] In addition, as shown in FIGS. 5 to 7, inlet holes 140a communicating with the cooling chambers 130 are respectively formed at both ends of the distribution cooling pipe 140, and the cooling water supplied to the first supply flow path 142 and the second supply flow path 143 is guided to each cooling chamber 130 provided in both flanges 111.

[0065] As shown in FIGS. 6 and 7, the inlet hole 140a is formed so as to communicate with the tip of the spiral guide 133 of the cooling chamber 130, whereby the flow of the introduced cooling water can be generated from the center of the spiral guide 133.

[0066] In this way, by the distribution cooling pipe 140, the cooling water supplied to the first supply flow path 142 and the second supply flow path 143 respectively can contact the entire surface of the combustion port 113 while flowing through each cooling chamber 130 via each communication port, and continuous heat exchange of the entire combustion port 113 can be achieved using the initially supplied cooling water.

[0067] On the other hand, as shown in FIG. 5, plate-shaped ring-shaped converging baffle plates 144 having an inclination in the range of 25 degrees to 35 degrees are provided inside the first supply flow path 142 and the second supply flow path 143 of the distribution cooling pipe 140, respectively.

[0068] The outer periphery of the converging baffle plate 144 is fixed to the inner peripheral surface of the distribution cooling pipe 140. Its inner diameter penetrates the outer peripheral surface of the combustion port 113 and is arranged away from the outer peripheral surface. As a result, a gap t through which cooling water passes is formed between its inner diameter and the outer peripheral surface of the combustion port 113.

[0069] As shown by the arrow in the enlarged view of Fig. 5, the above-mentioned gap t concentrates the flow velocity of the passing cooling water at the corner parts at both ends of the combustion port 113, thereby inducing intensive heat exchange at the corner parts that are continuously pressured by the reaction between the combustion gas and the raw material oil, and fundamentally preventing the phenomenon that the inner diameter of the corner part of the relatively vulnerable part A melts due to long-term exposure to a high-temperature environment.

[0070] When the inclination of the converging baffle plate 144 is formed to be 25 degrees or less, the inclination becomes too gentle and the cooling water collides with the converging baffle plate 144 to form vortices. As a result, a flow stagnation phenomenon occurs, the flow passing through the gap t becomes slow, and the intensive heat exchange at the vulnerable part A is inhibited. When the inclination is 35 degrees or more, there is a problem that the cooling water passes through the gap t too quickly due to the formation of a steep gradient, and the heat exchange efficiency at the vulnerable part A decreases.

[0071] Therefore, it is ideal to maintain the inclination of the converging baffle plate 144 within the range of 25 to 35 degrees. Within this inclination range, the heat exchange at the vulnerable part A can be maximized according to the flow velocity of the cooling water passing through the gap t.

[0072] The cooling water supply pipes 150 are formed as a pair and are directly provided in the first supply flow path 142 and the second supply flow path 143 as shown in Figs. 4 to 7, ensuring the supply of cooling water.

[0073] The cooling water discharge pipes 160 are formed as a pair and are provided in each cooling housing 131 of the cooling chamber 130 provided on each flange 111 as shown in Figs. 4 to 7, and can discharge the cooling water that has undergone heat exchange while flowing along the combustion port 113 and the cooling chamber 130.

[0074] In this case, the cooling water discharged from the cooling water discharge pipe 160 flows into a cooling tower (not shown), and the cooling water whose temperature has decreased while passing through the cooling tower is re-supplied to the first supply channel 142 and the second supply channel 143 via the cooling water supply pipe 150, and exchanges heat with the reactor by continuous circulation.

[0075] On the other hand, the plurality of support members 115 are radially arranged between the pair of flanges 111 and can maintain the flanges 111 in a separated state.

[0076] That is, the radially arranged support members 115 basically prevent the separated flanges 111 from tilting in any direction, and thereby, the connection state between the respective structures fixed by welding can be maintained.

[0077] In the present embodiment, the support member 115 is arranged between the pair of cooling chambers 130, but its position is not limited to this.

[0078] Hereinafter, with reference to the accompanying drawings, a heat exchange method of the carbon black reactor 100 according to the present invention will be described.

[0079] When the feedstock oil is supplied to the carbon black reactor 100 via the injection nozzle 120, the induction combustion gas and the feedstock oil react in the combustion port 113 at a high temperature, and a mixed gas containing carbon black is generated.

[0080] In this case, the cooling water is supplied to the first supply channel 142 and the second supply channel 143 of the distribution cooling pipe 140 via the two cooling water supply pipes 150 for cooling the carbon black reactor 100.

[0081] The cooling water supplied to the first supply channel 142 and the second supply channel 143 flows inside the first supply channel 142 and the second supply channel 143, comes into contact with the combustion port 113, and exchanges heat with the combustion port 113.

[0082] As shown in the enlarged view of FIG. 5, when the cooling water passing through the combustion port 113 passes through the gap t of the converging baffle plate 144, the flow velocity increases, and intensive heat exchange occurs at the vulnerable part A at the end of the combustion port 113.

[0083] The cooling water that has passed through the vulnerable part A flows into the spiral guide 133 of the cooling chamber 130 through the inlet hole 140a, is guided in the spiral direction along the spiral guide 133, and spreads over the entire plate surface of the flange 111.

[0084] In this case, the cooling water contacts the flange 111 and exchanges heat during the process of flowing through the spiral guide 133, and is finally supplied to a cooling tower (not shown) via the cooling water discharge pipe 160.

[0085] The cooling water supplied to the cooling tower is re-supplied to the first supply flow path 142 and the second supply flow path 143 via the cooling water supply pipe 150 in a low-temperature state, and repeatedly circulates inside the carbon black reactor 100 for heat exchange.

[0086] As described above, the carbon black reactor of the present invention manufactures the combustion port of the carbon black reactor with a heat-resistant metal material, supplies cooling water in both directions, improves the cooling efficiency of the combustion port heated to a high temperature, and cools the combustion port while circulating the cooling water in a state where the combustion port is wrapped by the supplied cooling water, thereby fundamentally preventing the diameter of the combustion port from deforming due to continuous exposure at a high temperature as in the prior art, and having an excellent effect.

[0087] In particular, the structural effect of further enhancing the stability of the vulnerable part by concentrating the flowing cooling water on the vulnerable part around the diameter of the end of the combustor is also excellent.

[0088] Furthermore, since the shape of the combustion port of the carbon black reactor is maintained, it is possible to keep the quality of the produced carbon black constant, and in particular, it has the effect of not generating refractory waste as in the prior art.

[0089] The carbon black reactor of the present invention has been described above with reference to the preferred embodiments and the accompanying drawings, which are only for facilitating the understanding of the present invention and do not limit the technical scope of the present invention.

[0090] That is, those skilled in the art can make various modifications and changes without departing from the technical idea of the present invention, and such modifications and changes belong to the technical scope of the present invention in light of the description in the appended claims.

Explanation of Reference Numerals

[0091] 100: Carbon black reactor 110: Main body 111: Flange 111a: Concave portion 111b: Connecting hole 113: Combustion port 114: Notch portion 115: Support member 120: Injection nozzle 121: Injection socket 130: Cooling chamber 131: Cooling housing 133: Spiral guide 140: Distribution cooling pipe 140a: Inlet hole 141: Partition plate 142: First supply flow path 143: Second supply flow path 144: Converging baffle plate 150: Cooling water supply pipe 160: Cooling water discharge pipe t: Gap

Claims

1. A carbon black reactor having a cooling function, comprising: A main body (110) made of a metal material having a pair of flanges (111) spaced apart from each other and a combustion port (113) serving as a through central portion connecting the spaced flanges (111), where the reaction of combustion gas and feedstock oil occurs; A plurality of injection nozzles (120) configured to inject feedstock oil into the combustion port (113); A pair of cooling chambers (130) respectively provided on the inner plate surfaces of the flanges (111) facing each other, the pair of cooling chambers being configured to exchange heat with the flanges (111) while spreading cooling water over the entire surface of the flanges (111); A distribution cooling pipe (140) disposed so as to surround the outer peripheral surface of the combustion port (113) and forming flow paths at intervals, the distribution cooling pipe being partitioned by a partition plate (141) into a first supply flow path (142) and a second supply flow path (143), and guiding the supplied cooling water to each cooling chamber (130) while exchanging heat with the entire combustion port (113); A pair of cooling water supply pipes (150) respectively provided in the first supply flow path (142) and the second supply flow path (143) for supplying cooling water; A carbon black reactor including cooling water discharge pipes (160) respectively provided in each of the pair of cooling chambers (130) for discharging the heat-exchanged cooling water: Here, the cooling chamber (130) includes: A circular cooling housing (131) disposed on the inner plate surface of the flange (111) while passing through the distribution cooling pipe (140), and forming a cooling space so that cooling water can flow from the distribution cooling pipe (140) for heat exchange of the flange (111); A spiral guide (133) disposed inside the cooling housing (131) and forming a flow path so that the cooling water induced from the distribution cooling pipe (140) spreads spirally toward the outside of the plate surface of the flange (111).

2. The carbon black reactor according to claim 1, wherein inlet holes (140a) communicating with the cooling chamber (130) are formed at both ends of the distribution cooling pipe (140), and the cooling water supplied to the first and second supply flow paths (142, 143) flows into the cooling chamber (130).

3. Inside the first and second supply channels (142, 143) of the distribution cooling pipe (140), a gap (t) is formed while being fixed to the distribution cooling pipe (140) so as to be inclined and separated within a range of 25 degrees to 35 degrees from the outer peripheral surface of the combustion port (113), and the flow rate of the cooling water passing through the gap (t) is concentrated at both ends of the combustion port (113). The carbon black reactor according to claim 1.

4. On the plate surface of the flange (111) provided with the cooling chamber (130), a recess (111a) for delaying the circulation period of the cooling water is formed, and the heat exchange of the cooling water flowing through the cooling chamber (130) is concentrated at both ends of the combustion port (113). The carbon black reactor according to claim 1.

5. The injection nozzle (120) is connected to a plurality of injection sockets (121) penetrating the distribution cooling pipe (140) while being radially arranged with respect to the combustion port (113). The carbon black reactor according to claim 1.

6. Around the circumference of the diameter of one end of the combustion port (113), a notch portion (114) made of a heat-resistant metal material for reinforcing the carbonization of the diameter corner of the combustion port (113) is further provided. The carbon black reactor according to claim 1.

7. A plurality of support members (115) are radially arranged between the pair of flanges (111) to maintain the separated state of the flanges (111). The carbon black reactor according to claim 1.

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