CN219956195U - Steam mixing and heating device - Google Patents

Abstract

The utility model provides a steam mixing and heating device. The steam mixing and heating device comprises a device main body, a conveying pipe and a nozzle assembly. The device comprises a device main body, a conveying pipe, a mixing cavity, a heating pipe and a heating pipe, wherein the device main body is provided with a steam cavity, the conveying pipe is provided with a mixing cavity, and the steam cavity is communicated with the mixing cavity; the nozzle assembly comprises a mounting seat, a plurality of first nozzles and a plurality of second nozzles, wherein each first nozzle is provided with a first flow passage, each second nozzle is provided with a second flow passage, the first flow passage of each first nozzle is communicated with the second flow passage of the corresponding second nozzle, the first flow passage is communicated with the steam cavity, the second flow passage is communicated with the mixing cavity, and part of the mounting seat is positioned in the steam cavity and connected with the device main body; the transition cavity is communicated with the mixing cavity, the communication direction of the transition cavity and the mixing cavity is a first communication direction, the communication direction of the steam cavity and the mixing cavity is a second communication direction, and the first communication direction and the second communication direction are mutually parallel. The steam mixing heating device has less noise generated in the heating process.

Description

Steam mixing and heating device

Technical Field

The utility model relates to the technical field of heating devices, in particular to a steam mixing heating device.

Background

A steam hybrid heating apparatus is an industrial device for heating by mixing steam with a heated medium. The steam mixing heating device is widely applied to the fields of new energy batteries, food brewing, medicine, chemical industry, petroleum, rubber, paper making and the like, and is also a common heating device in the process of recycling new energy battery materials.

In prior art, steam hybrid heating device is including device main part and the conveying pipeline that are connected, and the device main part is provided with the intake pipe, and the device main part is formed with the steam chamber, intake pipe and steam chamber intercommunication, and the conveying pipeline is formed with the mixing chamber, mixing chamber and steam chamber intercommunication. Traditional steam hybrid heating device is like a steam jet heater of patent CN202122638622.5 disclosed, wherein heating pipe week lateral wall heat transfer is provided with a plurality of steam delivery passageway, the setting of steam delivery passageway is the arch passageway, the arch passageway is the arch shaped plate that an inside cavity set up, the arch passageway sets up along heating water flow direction slope, then so set up make in the inner chamber of heating pipe by the heating medium bump with each steam delivery passageway more easily, so that each steam delivery passageway is in the bump with by the heating medium more easily produce the noise, thereby make the noise that sends in the inner chamber of heating pipe great, and then make the noise that steam jet heater produced in the in-process of heating great. The inner cavity of the heating pipe is equivalent to the mixing cavity, and the steam jet heater is equivalent to the steam mixing heating device, namely the noise emitted in the mixing cavity is larger, so that the noise generated by the steam mixing heating device in the heating process is larger. Therefore, the conventional steam hybrid heating apparatus has a problem in that noise generated during heating is large.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a steam mixing and heating device with less noise generated in the heating process.

The aim of the utility model is realized by the following technical scheme:

the steam mixing and heating device comprises a device main body, a conveying pipe and a nozzle assembly, wherein the device main body is connected with the conveying pipe, the device main body is provided with an air inlet pipe which is used for being connected with a steam conveying device, a steam cavity is formed in the device main body, the air inlet pipe is communicated with the steam cavity, the conveying pipe is provided with a mixing cavity, and the steam cavity is communicated with the mixing cavity;

the nozzle assembly comprises a mounting seat, a plurality of first nozzles and a plurality of second nozzles, wherein the first nozzles are sequentially connected, and each first nozzle is connected with the mounting seat; the first nozzles are sequentially connected, each first nozzle is provided with a first flow passage, each second nozzle is provided with a second flow passage, the first flow passage of each first nozzle is communicated with the second flow passage of the corresponding second nozzle, part of each first nozzle is positioned in the corresponding second flow passage, the first flow passage is communicated with the steam cavity, the second flow passage is communicated with the mixing cavity, part of the mounting seat is positioned in the steam cavity and is connected with the device main body, and each first nozzle and each second nozzle are positioned in the mixing cavity;

the conveying pipe is further provided with a feeding port and a transition cavity which are communicated, the transition cavity is communicated with the mixing cavity, the communication direction of the transition cavity and the mixing cavity is a first communication direction, the communication direction of the steam cavity and the mixing cavity is a second communication direction, and the first communication direction and the second communication direction are mutually parallel.

In one embodiment, the device body is detachably connected to the delivery conduit.

In one embodiment, a sealing ring is arranged at the joint between the device main body and the conveying pipe.

In one embodiment, the inner wall of the steam cavity is provided with an internal thread, the outer wall of the mounting seat is provided with an external thread, and the external thread is in threaded connection with the internal thread.

In one embodiment, a flange ring is arranged at one end of the air inlet pipe, which is away from the steam cavity.

In one embodiment, each of the first nozzles and each of the second nozzles is a Laval nozzle.

In one embodiment, each of the first flow passages includes a first tapered section, a first diverging section, and a steady flow section in sequential communication, each of the first tapered sections in communication with the steam cavity, each of the steady flow sections in communication with the second flow passage.

In one embodiment, each second flow channel includes a second tapered section and a second diverging section that are sequentially communicated, the second tapered section is communicated with the steady flow section, and the second diverging section is communicated with the mixing chamber.

In one embodiment, the angle between the extending direction of the first flow channel and the extending direction of the second flow channel is 0 °.

In one embodiment, each of the second nozzles is sleeved with the corresponding first nozzle.

Compared with the prior art, the utility model has at least the following advantages:

because the part of mount pad is located the steam chamber and is connected with the device main part, namely the part of nozzle assembly is located the steam chamber and is connected with the device main part, the communication direction of transition chamber and hybrid chamber is first communication direction, the communication direction of steam chamber and hybrid chamber is the second communication direction, first communication direction and second communication direction are parallel to each other, namely the inner wall of nozzle assembly and conveying pipeline is parallel to each other, make the nozzle assembly be parallel to each other with the inner wall of hybrid chamber, thereby make the entering direction of steam and the flow direction of the heated medium in the conveying pipeline be parallel to each other, make the entering direction of steam unanimous with the flow direction of the heated medium in the conveying pipeline, thereby make in hybrid chamber be difficult to collide with nozzle assembly, the problem that the nozzle assembly is difficult to produce noise in the collision with the heated medium has been overcome, make the inside of hybrid chamber be difficult to produce the noise, thereby make the noise that sends in hybrid chamber less, and then make the noise that the steam hybrid heating device produced in the course of heating less.

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, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a steam hybrid heating device according to an embodiment;

FIG. 2 is an enlarged schematic view of the steam hybrid heating apparatus shown in FIG. 1 at A;

fig. 3 is an enlarged schematic view of the steam hybrid heating apparatus shown in fig. 1 at B.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, an embodiment provides a steam mixing and heating device 10, which includes a device main body 100, a material conveying pipe 200 and a nozzle assembly 300, wherein the device main body 100 is connected with the material conveying pipe 200, the device main body 100 is provided with an air inlet pipe 110, the air inlet pipe 110 is used for being connected with a steam conveying device, the device main body 100 is formed with a steam cavity 120, the air inlet pipe 110 is communicated with the steam cavity 120, the material conveying pipe 200 is formed with a mixing cavity 210, and the steam cavity 120 is communicated with the mixing cavity 210.

Further, the nozzle assembly 300 includes a mounting base 310, a plurality of first nozzles 320 and a plurality of second nozzles 330, wherein the plurality of first nozzles 320 are sequentially connected, and each first nozzle 320 is connected with the mounting base 310; the plurality of second nozzles 330 are sequentially connected, each first nozzle 320 is formed with a first runner 321, each second nozzle 330 is formed with a second runner 331, the first runner 321 of each first nozzle 320 is communicated with the second runner 331 of the corresponding second nozzle 330, a part of each first nozzle 320 is positioned in the corresponding second runner 331, the first runner 321 is communicated with the steam cavity 120, the second runner 331 is communicated with the mixing cavity 210, a part of the mounting seat 310 is positioned in the steam cavity 120 and is connected with the device main body 100, and each first nozzle 320 and each second nozzle 330 are positioned in the mixing cavity 210. The feed delivery pipe 200 is further formed with a feed inlet 220 and a transition chamber 230, wherein the feed inlet 220 and the transition chamber 230 are communicated with the mixing chamber 210, the communication direction between the transition chamber 230 and the mixing chamber 210 is a first communication direction, the communication direction between the steam chamber 120 and the mixing chamber 210 is a second communication direction, and the first communication direction and the second communication direction are parallel to each other.

In this embodiment, the air inlet pipe 110 is used for connecting with a steam delivery device, the air inlet pipe 110 is communicated with the steam cavity 120 so that steam enters the steam cavity 120 along the air inlet pipe 110, the steam cavity 120 is communicated with the first flow passages 321, the first flow passage 321 of each first nozzle 320 is communicated with the second flow passage 331 of the corresponding second nozzle 330, the second flow passage 331 is communicated with the mixing cavity 210 so that steam sequentially passes through the steam cavity 120, the first flow passage 321 and the second flow passage 331 to enter the mixing cavity 210, the feeding port 220 is used for adding heated medium so that the heated medium enters the transition cavity 230, and the transition cavity 230 is communicated with the mixing cavity 210 so that the heated medium enters the mixing cavity 210 through the transition cavity 230 to be mixed with the steam, so as to complete the heating operation of the heated medium. Part of the mount 310 is located within the steam chamber 120 and is connected to the device body 100, i.e., part of the nozzle assembly 300 is located within the steam chamber 120 and is connected to the device body 100. The communication direction between the transition chamber 230 and the mixing chamber 210 is a first communication direction, and the communication direction between the steam chamber 120 and the mixing chamber 210 is a second communication direction, wherein the first communication direction and the second communication direction are parallel to each other, i.e. the nozzle assembly 300 is parallel to the inner wall of the feed delivery pipe 200. Each second nozzle 330 is connected to a corresponding first nozzle 320, and the plurality of first nozzles 320 are disposed in one-to-one correspondence with the plurality of second nozzles 330.

In the above-mentioned steam mixing heating device 10, since the portion of the mounting seat 310 is located in the steam cavity 120 and is connected with the device main body 100, that is, the portion of the nozzle assembly 300 is located in the steam cavity 120 and is connected with the device main body 100, the communication direction of the transition cavity 230 and the mixing cavity 210 is the first communication direction, the communication direction of the steam cavity 120 and the mixing cavity 210 is the second communication direction, the first communication direction and the second communication direction are parallel to each other, that is, the nozzle assembly 300 and the inner wall of the conveying pipe 200 are parallel to each other, so that the entering direction of steam and the flowing direction of the heated medium in the conveying pipe 200 are parallel to each other, that is, the entering direction of steam and the flowing direction of the heated medium in the conveying pipe 200 are consistent, so that the heated medium in the mixing cavity 210 is more difficult to collide with the nozzle assembly 300, the problem that the noise is more easy to be generated in the collision of the nozzle assembly 300 with the heated medium is overcome, the noise is more difficult to be generated in the mixing cavity 210, so that the noise is generated in the mixing cavity 210 is less, so that the noise generated in the heating process of the heating device 10 is less.

As shown in fig. 1, in one embodiment, the apparatus main body 100 is detachably connected with the conveying pipe 200, so that the conveying pipe 200 is mounted on the apparatus main body 100, so that the convenience of detachment between the apparatus main body 100 and the conveying pipe 200 is better, and the conveying pipe 200 is convenient to clean after being blocked or having dirt, so that the steam mixing heating apparatus 10 is better in use.

As shown in fig. 1, in one embodiment, the sealing ring 130 is disposed at the connection between the device main body 100 and the conveying pipe 200, so that the tightness of the connection between the device main body 100 and the conveying pipe 200 is better, and thus, the steam is more difficult to overflow along the connection between the device main body 100 and the conveying pipe 200 to generate noise, and further, the noise generated by the steam mixing heating device 10 in the heating process is smaller.

As shown in fig. 1 to 2, in one embodiment, the inner wall of the steam chamber 120 is provided with an internal thread 121, the outer wall of the mounting seat 310 is provided with an external thread 311, and the external thread 311 is in threaded connection with the internal thread 121, so that the device body 100 is detachably connected with the mounting seat 310, and the mounting seat 310 or the device body 100 is convenient to replace corresponding parts after being damaged, thereby making maintenance cost of the steam hybrid heating device 10 low.

As shown in fig. 1, in one embodiment, a flange 111 is disposed at an end of the air inlet pipe 110 facing away from the steam cavity 120, so that the air inlet pipe 110 is connected with the steam delivery device, so that the connection between the device main body 100 and the steam delivery device is better, and the connection between the steam hybrid heating device 10 and the steam delivery device is better.

As shown in fig. 1 and 3, in one embodiment, each first nozzle 320 and each second nozzle 330 is a laval nozzle. In the present embodiment, the laval nozzle, which is also called a convergent-divergent nozzle or a slim nozzle, is used to accelerate the flow rate of steam, so that the processing efficiency of the steam mix heater 10 is high.

As shown in fig. 1 and 3, in one embodiment, each first flow channel 321 includes a first tapered segment 3211, a first diverging segment 3212, and a steady flow segment 3213 that are sequentially communicated, each first tapered segment 3211 is in communication with the steam cavity 120, and each steady flow segment 3213 is in communication with the second flow channel 331. In this embodiment, the cross section of the first tapered section 3211 and the cross section of the first diverging section 3212 are both tapered, the taper angle of the first tapered section 3211 is 34 ° -46 °, the taper angle of the first diverging section 3212 is 16 ° -24 °, the first tapered section 3211 is communicated with the first diverging section 3212, so that the flow rate of steam is changed between the first tapered section 3211 and the first diverging section 3212, so that the circulation performance of steam in the first flow passage 321 is better, and the circulation performance of steam in the steam mixing heating device 10 is better.

As shown in fig. 1 and 3, in one embodiment, each second flow channel 331 includes a second tapered section 3311 and a second diverging section 3312 that are sequentially communicated, the second tapered section 3311 is communicated with the steady flow section 3213, and the second diverging section 3312 is communicated with the mixing chamber 210. In the present embodiment, the cross section of the second tapering section 3311 and the cross section of the second diverging section 3312 are both tapered, and the second tapering section 3311 is communicated with the second diverging section 3312, so that the steam completes the change of the flow rate between the second tapering section 3311 and the second diverging section 3312 again, so that the circulation performance of the steam in the second flow passage 331 is better, and the circulation performance of the steam in the steam mixing heating device 10 is better.

As shown in fig. 1 and 3, in one embodiment, an included angle between an extending direction of the first flow channel 321 and an extending direction of the second flow channel 331 is 0 °, so that a central axis of the first flow channel 321 coincides with a central axis of the second flow channel 331, so that a flowing direction of the first flow channel 321 and a flowing direction of the second flow channel 331 are parallel to each other, and an impact of steam at a communicating position of the first flow channel 321 and the second flow channel 331 is reduced, so that stability of the steam in the first flow channel 321 and the second flow channel 331 is better, stability of the steam in the steam mixing heating device 10 is better, and noise generated by the steam mixing heating device 10 in a heating process is smaller.

As shown in fig. 1 and 3, in one embodiment, each second nozzle 330 is sleeved with the corresponding first nozzle 320, so that the connection stability between each second nozzle 330 and each first nozzle 320 is better, and thus the structural strength of the steam mixing and heating device 10 is enhanced, and further the structural stability of the steam mixing and heating device 10 is better.

Compared with the prior art, the utility model has at least the following advantages:

because part of the mounting seat 310 is located in the steam cavity 120 and connected with the device main body 100, that is, part of the nozzle assembly 300 is located in the steam cavity 120 and connected with the device main body 100, the communication direction of the transition cavity 230 and the mixing cavity 210 is the first communication direction, the communication direction of the steam cavity 120 and the mixing cavity 210 is the second communication direction, the first communication direction and the second communication direction are parallel to each other, that is, the nozzle assembly 300 and the inner wall of the conveying pipe 200 are parallel to each other, so that the entering direction of steam and the flowing direction of the heated medium in the conveying pipe 200 are parallel to each other, that is, the entering direction of steam and the flowing direction of the heated medium in the conveying pipe 200 are consistent, so that the heated medium in the mixing cavity 210 is hard to collide with the nozzle assembly 300, the problem that the nozzle assembly 300 is hard to generate noise in the collision with the heated medium is overcome, the noise generated in the mixing cavity 210 is hard to generate, the noise generated in the mixing cavity 210 is small, and the noise generated in the heating process of the steam mixing heating device 10 is small.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The steam mixing and heating device (10) is characterized by comprising a device main body (100), a conveying pipe (200) and a nozzle assembly (300), wherein the device main body (100) is connected with the conveying pipe (200), the device main body (100) is provided with an air inlet pipe (110), the air inlet pipe (110) is used for being connected with a steam conveying device, the device main body (100) is provided with a steam cavity (120), the air inlet pipe (110) is communicated with the steam cavity (120), the conveying pipe (200) is provided with a mixing cavity (210), and the steam cavity (120) is communicated with the mixing cavity (210);

the nozzle assembly (300) comprises a mounting seat (310), a plurality of first nozzles (320) and a plurality of second nozzles (330), wherein the first nozzles (320) are sequentially connected, and each first nozzle (320) is connected with the mounting seat (310); the plurality of second nozzles (330) are sequentially connected, each first nozzle (320) is formed with a first runner (321), each second nozzle (330) is formed with a second runner (331), the first runner (321) of each first nozzle (320) is communicated with the second runner (331) of the corresponding second nozzle (330), a part of each first nozzle (320) is positioned in the corresponding second runner (331), the first runner (321) is communicated with the steam cavity (120), the second runner (331) is communicated with the mixing cavity (210), a part of the mounting seat (310) is positioned in the steam cavity (120) and is connected with the device main body (100), and each first nozzle (320) and each second nozzle (330) are positioned in the mixing cavity (210);

the conveying pipe (200) is further provided with a feeding port (220) and a transition cavity (230) which are communicated, the transition cavity (230) is communicated with the mixing cavity (210), the communication direction of the transition cavity (230) and the mixing cavity (210) is a first communication direction, the communication direction of the steam cavity (120) and the mixing cavity (210) is a second communication direction, and the first communication direction and the second communication direction are mutually parallel.

2. The steam hybrid heating device (10) of claim 1, wherein the device body (100) is detachably connected to the feed delivery conduit (200).

3. The steam hybrid heating device (10) according to claim 1, characterized in that a sealing ring (130) is provided at the connection between the device body (100) and the feed conveyor pipe (200).

4. The steam hybrid heating device (10) according to claim 1, wherein an inner wall of the steam cavity (120) is provided with an internal thread (121), an outer wall of the mounting seat (310) is provided with an external thread (311), and the external thread (311) is in threaded connection with the internal thread (121).

5. The steam hybrid heating device (10) according to claim 1, characterized in that an end of the inlet pipe (110) facing away from the steam chamber (120) is provided with a flange ring (111).

6. The steam hybrid heating device (10) of claim 1, wherein each of the first nozzles (320) and each of the second nozzles (330) are laval nozzles.

7. The steam hybrid heating device (10) of claim 6, wherein each of the first flow channels (321) comprises a first tapered section (3211), a first diverging section (3212) and a steady flow section (3213) in sequential communication, each of the first tapered sections (3211) being in communication with the steam cavity (120), each of the steady flow sections (3213) being in communication with the second flow channel (331).

8. The steam hybrid heating device (10) of claim 7, wherein each of the second flow channels (331) includes a second converging section (3311) and a second diverging section (3312) in communication, the second converging section (3311) being in communication with the steady flow section (3213), the second diverging section (3312) being in communication with the mixing chamber (210).

9. The steam hybrid heating device (10) according to claim 1, characterized in that the angle between the direction of extension of the first flow channel (321) and the direction of extension of the second flow channel (331) is 0 °.

10. The steam hybrid heating device (10) of claim 1, wherein each of the second nozzles (330) is sleeved with the corresponding first nozzle (320).