CN210441658U

CN210441658U - Nozzle assembly for reactor and reactor

Info

Publication number: CN210441658U
Application number: CN201920847339.3U
Authority: CN
Inventors: 王玮; 丁鹏; 何峰; 黄文华; 杨卫严; 毛志琨
Original assignee: China Nerin Engineering Co Ltd
Current assignee: China Nerin Engineering Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-01
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a nozzle assembly and reactor for reactor, include: the nozzle comprises a nozzle body, a plurality of connecting rods and a plurality of connecting rods, wherein the nozzle body is provided with a channel penetrating through two ends; the tee joint is arranged at the outer end of the nozzle body and is provided with a process air inlet and an outer port which are respectively communicated with the channel, and a control part adjacent to the outer port is arranged in the tee joint; the spray gun is provided with an inserting state and a pulling-out state, the spray gun is inserted into the channel through the outer port in the inserting state and allows the control member to block the outer port in the pulling-out state, the inner end of the spray gun is provided with a self-damage member, the self-damage member is provided with a blocking state and a conducting state, the self-damage member blocks the inner end of the spray gun in the blocking state and conducts the inner end of the spray gun in the conducting state. According to the utility model discloses a nozzle assembly for reactor can selectively directly bulge fuel in to the reactor to, long service life, use are nimble, according to the technology needs in production, can adjust medium and the user state of bulging in to the reactor in a flexible way.

Description

Nozzle assembly for reactor and reactor

Technical Field

The utility model relates to a non ferrous metal smelting and handle electronic waste, hazardous waste, copper-containing mud, nickeliferous mud, contain chromium mud, smelt the smelting technical field such as tailings, particularly, relate to a nozzle assembly for reactor and have a reactor for nozzle assembly of reactor.

Background

In the reactor in the related art, such as a side-blown converter, air or oxygen-enriched air is blown into a molten pool through air nozzles arranged on two sides of a furnace body, and high-speed process gas enters the molten pool through the air nozzles and stirs the molten pool, so that the heat and mass transfer process and the chemical reaction in the molten pool are accelerated. For the raw material containing heating elements, air or oxygen-enriched air is blown into the molten pool through a tuyere so as to meet the requirement of smelting reaction in a side-blown furnace; for raw materials containing no heating elements, it may be impossible to maintain the thermal balance of the furnace body by blowing air or oxygen-enriched air into the molten pool through the tuyere, and it is necessary to adopt necessary heat compensation means to maintain the thermal balance of the furnace body. The gas is directly blown into the furnace by the spray gun, which is a quick and effective measure for the heat compensation of the melt in the furnace.

However, some lances used in side-blown furnaces have the disadvantage of short service life of the tuyere blocks; the spray gun needs to be normally opened and is protected by introducing nitrogen, so that the smoke volume and the kinetic energy consumption of the reactor are increased; when the technological parameters need to be adjusted, the spray gun is not flexible to use and is difficult to replace and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a nozzle assembly for reactor, a nozzle assembly for reactor has advantages such as the concurrent heating is quick, long service life, use are nimble.

The utility model discloses still provide a reactor with a nozzle assembly for reactor.

According to the utility model discloses a nozzle assembly for reactor of first aspect embodiment includes: a nozzle body having a passageway extending through both ends; the tee joint is arranged at the outer end of the nozzle body and is provided with a process air inlet and an outer port which are respectively communicated with the channel, and a control part adjacent to the outer port is arranged in the tee joint; the spray gun, the spray gun has plug-in state and pulls out the state, the spray gun is in plug-in state down by outer port inserts and establishes in the passageway and be in pull out the state under the control shutoff outer port, the inner of spray gun is equipped with from decreasing the piece, decrease the piece certainly and have shutoff state and on-state, decrease the piece certainly and be in shutoff under the shutoff state the inner of spray gun just is in switch on under the on-state the inner of spray gun.

According to the nozzle assembly for the reactor, provided by the embodiment of the utility model, fuel can be selectively and directly blown into the reactor so as to supplement heat and quickly raise the temperature of a melt in the reactor; and the service life is long, the use is flexible, and the medium blown into the reactor and the use state can be flexibly adjusted according to the process requirement in production.

In addition, the nozzle assembly for the reactor according to the embodiment of the present invention has the following additional technical features:

according to some embodiments of the invention, the self-destructive element is configured as a fusible element or as a combustible element.

According to some embodiments of the invention, the outer peripheral wall of the inner of the spray gun is followed the radial outside protrusion of spray gun is in order to form the cooperation portion, the spray gun is in under the inserted state the cooperation portion with the wall laminating of passageway.

Furthermore, an air pipe is arranged in the nozzle body, and the channel is formed in the air pipe.

In some embodiments of the present invention, the inner peripheral wall of the inner end of the air pipe is along the radial inward projection of the air pipe to form a throat, and the spray gun is in the inserted state, the fitting portion is attached to the throat.

In some embodiments of the present invention, the shape of the self-damage part is adapted to the shape of the throat, and the self-damage part is spaced from the throat.

Further, the radial width of the fitting portion gradually increases and then gradually decreases inward in the axial direction of the lance.

According to some embodiments of the utility model, the spray gun is in under the inserted state just from decreasing the piece under the shutoff state, from decreasing the piece inwards and protruding the inner terminal surface of nozzle body.

According to some embodiments of the invention, the inner end of the lance is a heat resistant stainless steel pipe fitting.

According to some embodiments of the present invention, a flow guide or a spray head is provided inside the inner end of the spray gun.

According to the utility model discloses a some embodiments, the cover is equipped with the fastener on the spray gun, be equipped with the cutting ferrule in the outer port, the fastener with the cutting ferrule links to each other.

According to some embodiments of the utility model, be equipped with in the tee bend with the control channel of outer port intercommunication, the spray gun inserts will during the tee bend the control push away to in the control channel, the spray gun is extracted during the tee bend the control slide to outer port and right outer port seals.

According to some embodiments of the invention, a cooling circuit is formed in the nozzle body adjacent to the channel, the cooling circuit extending in a circuitous manner in the axial direction of the channel or being defined by a cooling tube arranged around the channel.

According to the utility model discloses reactor of second aspect embodiment includes: a nozzle assembly for a reactor according to an embodiment of the first aspect of the invention; the inner end of the nozzle body is inserted into the reaction chamber and exceeds or is flush with the inner wall of the reaction chamber inwards.

According to the utility model discloses reactor, utilize as above the nozzle assembly who is used for the reactor, the concurrent heating is quick, long service life, use nimble.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic structural view of a nozzle assembly for a reactor according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a nozzle assembly for a reactor according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a nozzle assembly for a reactor according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a reactor according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a reactor according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a reactor according to an embodiment of the present invention.

Reference numerals:

a reactor 1,

A nozzle assembly 10, a connector 11, a reactor,

The nozzle comprises a nozzle body 100, a passage 101, an air pipe 102, a reducing opening 103, a cooling loop 104, an annular groove 105, a tee joint 200, a process air inlet 201, an outer port 202, a control piece 203, a clamping sleeve 204, a control passage 205, a spray gun 300, a self-damaged piece 301, a matching part 302, a clamping piece 303, a gas inlet 304, a holding part 305, a sealing cover 306, a blocking rod 400, a reaction chamber 20 and a tuyere copper water jacket 21.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A nozzle assembly 10 for a reactor according to an embodiment of the first aspect of the invention is described below with reference to the accompanying drawings. The nozzle assembly 10 for a reactor is adapted to be mounted at an inlet for process air or combustible gas of a smelting reactor (e.g., a side-blown smelting furnace, a side-blown reduction furnace) for blowing the process air or combustible gas into the smelting reactor.

As shown in fig. 1-6, a nozzle assembly 10 for a reactor according to an embodiment of the present invention includes: a nozzle body 100, a tee 200, and a lance 300.

Specifically, the nozzle body 100 has a passage 101 penetrating both ends. A tee 200 is mounted at the outer end of the nozzle body 100, the tee 200 having a process air inlet 201 and an outer port 202 communicating with the passageway 101, respectively, and a control member 203 is provided in the tee 200 adjacent the outer port 202. Here, the outer end of the nozzle body 100 refers to an end of the nozzle body 100 located outside the reactor. The spray gun 300 has an inserted state in which the spray gun 300 is inserted in the passage 101 by the outer port 202 and an extracted state in which the spray gun 300 allows the control member 203 to block off the outer port 202. The inner end of the spray gun 300 is provided with a self-damage piece 301, the self-damage piece 301 has a blocking state and a conducting state, and the self-damage piece 301 blocks the inner end of the spray gun 300 in the blocking state and conducts the inner end of the spray gun 300 in the conducting state.

The self-damaged part 301 may be configured as a fusible part or a flammable part, so that the self-damaged part 301 has certain strength and is easy to melt or burn after receiving high temperature, and the self-damaged part 301 may be made of low-melting-point metal (such as lead, etc.), hard plastic, wood, etc., so as to be easily damaged under the action of the melt.

The use of the nozzle assembly 10 for a reactor according to an embodiment of the present invention is described in detail below.

As shown in fig. 1 and 5, the lance 300 is in an inserted state, in which case a gas (e.g., natural gas or coal gas, etc.) may be bubbled into the reactor through the nozzle assembly 10 for the reactor. As shown in fig. 1, when the lance 300 is inserted into the passage 101, external combustion gas enters the lance 300 through the combustion gas inlet 304; as shown in fig. 5, the self-destructive element 301 of the lance 300 is melted or burned to self-destruct after contacting with the melt in the reactor, and is blown into the reactor along with the combustion gas through the passage 101. It is noted that the external process air at the process air inlet 201 in the tee 200 should be shut off immediately after the lance 300 is inserted during the production of the reactor.

As shown in FIG. 2, the lance 300 is in an extracted condition, at which time process air (e.g., air or oxygen-enriched air) may be blown into the reactor through the nozzle assembly 10 for the reactor. When the process air is blown into the reactor, the spray gun 300 is not needed to be used, the control member 203 (for example, the control member 203 can be a sealing steel ball) in the tee joint 200 is in a sealing position, the control member 203 disconnects the outer port 202, and the process air is blown into the reactor through the channel 101 after passing through the process air inlet 201.

As shown in fig. 3, when the blowing of the process air or the gas into the reactor is stopped, the blocking rod 400 may be inserted into the passage 101. During production of the reactor, the external process air at the process air inlet 201 in the tee 200 should be immediately shut off when the plugging rod 400 is inserted in the channel 101.

Thus, according to the nozzle assembly 10 for a reactor of the embodiment of the present invention, different mediums, for example, process air or fuel gas, can be selectively blown directly into the reactor to supplement heat and rapidly raise the temperature of the melt in the reactor; and the service life is long, the use is flexible, and the media blown into the reactor and the use state (such as opening or closing) can be flexibly adjusted according to the process requirements in production.

According to some embodiments of the present invention, as shown in fig. 1, the outer peripheral wall of the inner end of the lance 300 protrudes outward along the radial direction of the lance 300 to form the fitting portion 302, and the fitting portion 302 is attached to the wall surface of the passage 101 in the inserted state of the lance 300, so that the melt can be prevented from entering between the passage 101 and the lance 300.

Further, as shown in fig. 1-5, an air duct 102 is disposed in the nozzle body 100, and a channel 101 is formed in the air duct 102. For example, the air duct 102 may be a wear-resistant steel duct, which is beneficial to resisting the erosion of the nozzle body 100 caused by the high-speed gas, and thus, the service life of the nozzle body 100 is prolonged.

In some embodiments of the present invention, as shown in fig. 1, the inner peripheral wall of the inner end of the air pipe 102 protrudes inward along the radial direction of the air pipe 102 to form a throat 103, so as to facilitate the operations of inserting the spray gun 300, opening the air opening and blocking the air opening, and especially when blocking the air opening, the blocking rod 400 can be prevented from being inserted into the melt or blocked. Wherein, the matching part 302 is jointed with the necking 103 when the spray gun 300 is inserted.

In some embodiments of the present invention, as shown in fig. 1, the shape of the self-damaged part 301 is adapted to the shape of the throat 103, and the self-damaged part 301 and the throat 103 are spaced apart from each other, so as to facilitate the insertion of the spray gun 300 and the contact between the self-damaged part 301 and the melt. For example, the radial width of the self-damaging element 301 decreases gradually inward in the axial direction of the lance 300.

Further, as shown in fig. 1, the radial width of the fitting portion 302 gradually increases and then gradually decreases inward in the axial direction of the spray gun 300, so that the fitting portion 302 can smoothly abut against or separate from the throat 103.

According to some embodiments of the present invention, as shown in fig. 1, the spray gun 300 is inserted and is under the shutoff state from damaging piece 301, from damaging the inner terminal surface that piece 301 inwards extrudes nozzle body 100 to it is bigger from damaging the area of contact of piece 301 and fuse-element, and it is softened and melted that it is heated to be more easily from damaging piece 301.

According to some embodiments of the present invention, the inner end of the spray gun 300 may be a heat resistant stainless steel pipe fitting, thereby having a longer service life.

According to some embodiments of the utility model, the inner inside of spray gun 300 can be equipped with water conservancy diversion spare or shower nozzle to be favorable to the fluid flow, the concurrent heating effect is better.

According to some embodiments of the utility model, as shown in fig. 1, the cover is equipped with fastener 303 on the spray gun 300, is equipped with cutting ferrule 204 in the outer port 202, and fastener 303 links to each other with cutting ferrule 204 to can be in the same place spray gun 300 and tee bend 200 are fixed.

According to some embodiments of the present invention, as shown in fig. 1 and 2, a control channel 205 is disposed in the tee 200 and communicates with the external port 202, the control member 203 is pushed into the control channel 205 when the spray gun 300 is inserted into the tee 200, and the control member 203 slides to the external port 202 when the spray gun 300 is pulled out of the tee 200. In this way, the control member 203 can be used to conveniently control the on/off of the external port 202. For example, the control channel 205 extends obliquely from outside to inside away from the outer port 202 so that the control member 203 can fall back to the outer port 202 under the influence of gravity.

According to some embodiments of the present invention, as shown in fig. 1, a cooling circuit 104 is formed in the nozzle body 100 adjacent to the channel 101, the cooling circuit 104 being defined by a cooling tube disposed around the channel 101. The inner end surface of the nozzle body 100 directly contacts the high-temperature melt in the reactor, and the nozzle body 100 can be cooled by introducing cooling water into a cooling pipe, for example, the nozzle body 100 is a copper part, and the cooling pipe can be a copper pipe. Of course, the cooling circuit 104 may also extend circuitously along the axial direction of the passage 101, for example, the cooling circuit 104 may be defined by cooling slots within the nozzle body 100.

In some embodiments of the present invention, as shown in fig. 1, the inner side end surface of the nozzle body 100 may further be provided with an annular groove 105, which is favorable for the splashed melt to adhere to the inner side end surface of the nozzle body 100 and form stable slag crust, thereby prolonging the service life of the nozzle body 100 and ensuring the safety in use.

In some embodiments of the present invention, as shown in fig. 1, the outer end of the spray gun 300 includes a gas inlet 304 and a holding portion 305, the outer end of the gas inlet 304 is connected to an external flexible gas pipeline, the inner end of the holding portion 305 is communicated with the inner end of the gas inlet 304, and the outer end of the holding portion 305 is sealed by a sealing cover 306, so as to facilitate the operation of the spray gun 300.

The reactor 1 according to an embodiment of the second aspect of the present invention comprises: a nozzle assembly 10 and a reaction chamber 20 for a reactor according to embodiments of the first aspect of the invention. The inner end of the nozzle body 100 is inserted into the reaction chamber 20 and inwardly beyond or flush with the inner wall of the reaction chamber 20.

According to the utility model discloses reactor 1 utilizes the nozzle assembly 10 for the reactor as described above, and the concurrent heating is quick, long service life, use nimble.

The reactor 1 according to one embodiment of the present invention is described in detail below with reference to the accompanying drawings.

The reactor 1 in this example is a side blown furnace. A plurality of nozzle assemblies 10 for the reactor are arranged at a tuyere copper water jacket 21 on one layer of the side-blown converter, and a nozzle body 100 and the tuyere copper water jacket 21 on one layer of the side-blown converter are arranged together and are arranged together with a tee joint 200 through a connecting piece 11. The inner end surface of the nozzle body 100 contacts the high-temperature melt in the side-blown furnace, and oxygen-enriched air is blown into the side-blown furnace through the tee joint 200 or natural gas is blown into the side-blown furnace through the spray gun 300. After the nozzle assembly 10 for the reactor is installed on the side-blown converter, before the side-blown converter is heated, cooling circulating water needs to be introduced into the cooling pipe, and the flow rate and the pressure of the cooling circulating water meet the process requirements.

During normal production of the side-blown converter, oxygen-enriched air and natural gas are introduced into and blown into the side-blown converter through the tee 200 and the gas lance 300 in the nozzle assembly 10 for the reactor at different positions in the side-blown converter according to process requirements.

When oxygen-enriched air or natural gas does not need to be blown into the side-blown converter, the nozzle assembly 10 for the reactor is blocked by the blocking rod 400; when the nozzle assembly 10 for the reactor is blowing natural gas into the side-blown furnace, it is necessary to insert the lance 300 while turning off the oxygen-enriched air; when the nozzle assembly 10 for a reactor is used to blow oxygen-enriched air into a side-blown furnace, it is not necessary to insert the lance 300 and the plugging rod 400.

When it is necessary to replace or stop the nozzle assembly 10 for a reactor being used due to process requirements, it is necessary to rapidly insert the plugging rod 400 into the passage 101 before shutting off the oxygen-enriched air in the nozzle assembly 10 for a reactor, and to shut off the oxygen-enriched air in the nozzle assembly 10 for a reactor after the operation of the plugging rod 400 is completed.

It is understood that the present invention is described in relation to the use of the nozzle assembly 10 for a reactor only by way of example of the process air and the gas, which should not be construed as limiting the present invention, and that the nozzle assembly 10 for a reactor may also be used for introducing solid fuel or liquid fuel, such as pulverized coal, into the reactor 1.

Other configurations and operations of the reactor 1 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, "first feature" and "second feature" may include one or more of the features, and the first feature may be "on" or "under" the second feature, and may include the first and second features being in direct contact, or the first and second features being in contact not directly but via another feature therebetween. The first feature being "on," "over" and "above" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

It is to be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "a specific embodiment," "an example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A nozzle assembly for a reactor, comprising:

a nozzle body having a passageway extending through both ends;

the tee joint is arranged at the outer end of the nozzle body and is provided with a process air inlet and an outer port which are respectively communicated with the channel, and a control part adjacent to the outer port is arranged in the tee joint;

the spray gun, the spray gun has plug-in state and pulls out the state, the spray gun is in plug-in state down by outer port inserts and establishes in the passageway and be in pull out the state under the control shutoff outer port, the inner of spray gun is equipped with from decreasing the piece, decrease the piece certainly and have shutoff state and on-state, decrease the piece certainly and be in shutoff under the shutoff state the inner of spray gun just is in switch on under the on-state the inner of spray gun.

2. The nozzle assembly for a reactor of claim 1, wherein the self-destruct component is configured as a fusible component or a combustible component.

3. The nozzle assembly for a reactor of claim 1, wherein an outer peripheral wall of the inner end of the lance projects radially outwardly of the lance to form a mating portion that abuts a wall surface of the passage in the inserted state of the lance.

4. The nozzle assembly for a reactor of claim 3, wherein an air hose is disposed within the nozzle body, the air hose forming the passageway.

5. The nozzle assembly for a reactor of claim 4, wherein an inner peripheral wall of the inner end of the air hose projects inwardly in a radial direction of the air hose to form a throat, the mating portion engaging the throat in the inserted state of the lance.

6. The nozzle assembly for a reactor of claim 5, wherein the shape of the self-destruct is adapted to the shape of the throat, the self-destruct being spaced from the throat.

7. The nozzle assembly for a reactor according to claim 3, wherein the radial width of the fitting portion gradually increases and then gradually decreases inward in the axial direction of the lance.

8. The nozzle assembly for a reactor of claim 1, wherein the lance in the inserted condition and the self-destruct member in the plugged condition, the self-destruct member projects inwardly beyond an inner end face of the nozzle body.

9. The nozzle assembly for a reactor of claim 1, wherein the inner end of the lance is a heat resistant stainless steel tubing.

10. The nozzle assembly for a reactor of claim 1, wherein the lance is internally provided with a flow guide or a spray head at the inner end thereof.

11. The spray nozzle assembly for a reactor according to any one of claims 1 to 10, wherein a clamping member is sleeved on the spray gun, a clamping sleeve is arranged in the outer port, and the clamping member is connected with the clamping sleeve.

12. The nozzle assembly for a reactor of any one of claims 1-10, wherein a control passage is provided in the tee in communication with the outer port, the lance pushing the control member into the control passage when inserted into the tee, the control member sliding to and sealing the outer port when the lance is withdrawn from the tee.

13. Nozzle assembly for a reactor according to any one of claims 1-10, wherein a cooling circuit is formed in the nozzle body adjacent to the channel, which cooling circuit extends in a meandering manner in the axial direction of the channel or which cooling circuit is defined by cooling tubes arranged around the channel.

14. A reactor, comprising:

a nozzle assembly for a reactor according to any one of claims 1 to 13;

the inner end of the nozzle body is inserted into the reaction chamber and exceeds or is flush with the inner wall of the reaction chamber inwards.