Novel energy-saving steam ejector

Abstract

The utility model relates to the field of steam ejectors, and discloses a novel energy-saving steam ejector which comprises a mixing main body, a steam ejection mechanism is arranged in the mixing main body and comprises a steam nozzle, the steam nozzle is arranged in the mixing main body, the left end of the steam nozzle is fixedly connected with a connecting pipe, and the right end of the steam nozzle is fixedly connected with a steam outlet. A fixing block is fixedly connected to the left end of the mixing body, a connecting opening is formed in the outer wall of the end, away from the steam nozzle, of the connecting pipe, the outer wall of the end, away from the steam nozzle, of the connecting pipe is slidably connected to the inner wall of the fixing block, and three channels are formed in the inner wall of the fixing block and communicate with the connecting opening. According to the utility model, the steam injection mechanism is arranged, so that the normal steam injection work can be ensured, the equipment can continuously finish the current work task without stopping the equipment for overall maintenance, the production loss caused by the equipment stopping is reduced, and the overall operation reliability of the equipment is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steam ejector, especially a kind of energy-saving new steam ejector. BACKGROUND

[0002] In the industry such as steel, chemical industry, glass, a large amount of high-temperature waste heat steam will be generated in production process. Steam ejector can use a small amount of high-pressure steam as power to inject and mix these low-temperature waste heat steam, improve its pressure and temperature, so that it can be used as heat source or power source in production process again.

[0003] Prior art, China patent publication number: CN217233935U discloses a kind of energy-saving new steam ejector, including intake flange, suction chamber, mixing chamber, diffusion chamber and outlet flange, intake flange right end is fixedly connected with nozzle, nozzle right end internal thread is connected with nozzle, nozzle and nozzle insert into suction chamber, nozzle left end outer wall is sleeved with thread ring one, thread groove one is opened in the left side of suction chamber, thread ring one is connected with thread groove one between screw thread. Therefore the utility model is twisted out nozzle first, then nozzle is twisted off and replaced, so that the disassembly of nozzle and nozzle is more convenient, it is convenient for steam ejector to carry out routine maintenance, and further improve the maintenance efficiency and service life of steam ejector.

[0004] During the operation of steam ejector, once the internal key steam injection structure fails, it often needs to stop for overall maintenance, which not only causes the equipment to be unable to continue the current work task, thereby causing production interruption, but also causes production loss due to equipment downtime, so an energy-saving new steam ejector is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an energy-saving new steam ejector, which aims to solve the problem of production interruption caused by overall maintenance when the steam injection structure fails in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: an energy-saving new steam ejector, comprising a mixing body, a steam injection mechanism is arranged inside the mixing body, the steam injection mechanism comprises a steam nozzle, the steam nozzle is arranged inside the mixing body, a connecting pipe is fixedly connected to the left end of the steam nozzle, a fixed block is fixedly connected to the left end of the mixing body, a connecting port is formed in the outer wall of the connecting pipe away from the steam nozzle, the connecting pipe away from the steam nozzle is slidably connected to the inner wall of the fixed block, three channels are formed in the inner wall of the fixed block, the three channels are in communication with the connecting port, a flange is fixedly connected to the end of the connecting pipe away from the steam nozzle, and a mounting disc is fixedly connected to the left side of the fixed block.

[0007] As a further description of the above technical solutions:

[0008] The inner wall of the fixed block is provided with a sealing adjustment mechanism, the sealing adjustment mechanism comprises a sealing block, and the outer wall of the sealing block is rotationally connected to the inner wall of the three-way channel.

[0009] As a further description of the above technical solutions:

[0010] The sealing adjustment mechanism further comprises a self-locking knob, and the bottom of the self-locking knob is fixedly connected to the top of the sealing block.

[0011] As a further description of the above technical solutions:

[0012] The left side of the fixed block is fixedly connected with a steam inlet pipe, and the inside of the steam inlet pipe is in communication with the inside of the three-way channel.

[0013] As a further description of the above technical solutions:

[0014] The top of the mixing body is provided with a suction inlet, and the suction inlet is in communication with the inside of the mixing body.

[0015] As a further description of the above technical solutions:

[0016] The right end of the mixing body is fixedly connected with a diffusion pipe, and the inside of the diffusion pipe is in communication with the inside of the mixing body.

[0017] As a further description of the above technical solutions:

[0018] The number of the steam nozzles, the connecting pipes, the flanges and the mounting discs is two.

[0019] As a further description of the above technical solutions:

[0020] The flange is fixedly connected with the mounting disc through a screw rod.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a steam injection mechanism is arranged, can guarantee normal steam injection work, does not need to stop the whole maintenance, and the equipment can continue the current work task, reduces the production loss caused by the equipment stoppage, improves the overall operation reliability of the equipment.

[0023] 2、The utility model discloses a sealing adjustment mechanism is arranged, can change the steam admission direction, makes steam enter the inside of the standby pipeline, guarantees the normal work of the equipment, reduces the equipment downtime caused by the steam supply interruption. DRAWINGS

[0024] Figure 1The utility model provides a kind of energy-saving novel steam ejector's main view structure schematic diagram of energy saving novel steam ejector is proposed by the utility model;

[0025] Figure 2 The utility model provides a kind of energy-saving novel steam ejector's mixed main body partial section structure schematic diagram of energy saving novel steam ejector is proposed by the utility model;

[0026] Figure 3 The utility model provides a kind of energy-saving novel steam ejector's mixed main body partial structure schematic diagram of energy saving novel steam ejector is proposed by the utility model;

[0027] Figure 4 The utility model provides a kind of energy-saving novel steam ejector's fixed block section structure schematic diagram of energy saving novel steam ejector is proposed by the utility model;

[0028] Figure 5 The utility model provides a kind of energy-saving novel steam ejector's steam nozzle section structure schematic diagram of energy saving novel steam ejector is proposed by the utility model;

[0029] Figure 6 The utility model provides a kind of energy-saving novel steam ejector's mixed main body top view section partial structure schematic diagram of energy saving novel steam ejector is proposed by the utility model.

[0030] Legend:

[0031] 1, mixed main body;2, steam injection mechanism;211, steam nozzle;212, connecting pipe;213, fixed block;214, connecting port;215, three channels;216, flange;217, mounting disc;3, sealing adjusting mechanism;311, sealing block;312, self-locking knob;4, steam inlet pipe;5, suction port;6, diffusion pipe. Specific embodiments

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0033] Reference Figure 3 - Figure 5The present invention provides an embodiment of an energy-saving novel steam ejector, comprising a mixing body 1, a steam injection mechanism 2 disposed inside the mixing body 1, and a steam nozzle 211 disposed inside the mixing body 1. A connecting pipe 212 is fixedly connected to the left end of the steam nozzle 211, the connecting pipe 212 being used to stably deliver steam to the steam nozzle 211. A fixing block 213 is fixedly connected to the left end of the mixing body 1. A connection port 214 is opened on the outer wall of the end of the connecting pipe 212 away from the steam nozzle 211. One end of the nozzle 211 is slidably connected to the inner wall of the fixing block 213. The fixing block 213 serves to support and position the connecting pipe 212. The inner wall of the fixing block 213 has three channels 215, which are connected to the connection port 214. The three channels 215 are used to distribute steam into different connecting pipes 212. The end of the connecting pipe 212 away from the steam nozzle 211 is fixedly connected to a flange 216. The left side of the fixing block 213 is fixedly connected to an installation plate 217. The steam nozzle 211 can be easily removed from the installation plate 217 by means of the flange 216 for maintenance.

[0034] Reference Figure 2 , Figure 6 The inner wall of the fixed block 213 is provided with a sealing adjustment mechanism 3, which includes a sealing block 311. The outer wall of the sealing block 311 is rotatably connected to the inner wall of the three channels 215. The sealing block 311 is used to seal the corresponding outlet of the three channels 215 when needed. The sealing adjustment mechanism 3 also includes a self-locking knob 312. The bottom of the self-locking knob 312 is fixedly connected to the top of the sealing block 311. The self-locking knob 312 is convenient for the operator to manually operate to control the rotation of the sealing block 311. A steam inlet pipe 4 is fixedly connected to the left side of the fixed block 213. The steam inlet pipe 4 is connected to the interior of the three channels 215. The steam inlet pipe 4 is the inlet channel for high-pressure steam to enter the three channels 215.

[0035] Reference Figure 1 The mixing body 1 has an inlet 5 at its top, which is connected to the interior of the mixing body 1. The inlet 5 is used to introduce the fluid to be ejected. A diffuser 6 is fixedly connected to the right end of the mixing body 1. The interior of the diffuser 6 is connected to the interior of the mixing body 1. The diffuser 6 converts the kinetic energy of the mixed fluid into pressure energy through a structure design with a gradually increasing cross-sectional area. There are two steam nozzles 211, two connecting pipes 212, two flanges 216 and two mounting plates 217. The flanges 216 are fixedly connected to the mounting plates 217 by screws. The two steam nozzles 211 can be used as backups for each other, improving the reliability of equipment operation.

[0036] Working principle: when the steam ejector needs to run with waste heat recovery, high-pressure steam enters into the three-way channel 215 through the steam inlet pipe 4, then enters into the connecting pipe 212 through a connecting port 214, and then enters into the steam nozzle 211. Due to the special design of the nozzle, the steam experiences an acceleration process in the nozzle. According to Bernoulli equation, the pressure energy of the steam is converted into kinetic energy in this process. The steam is sprayed out of the steam nozzle 211 at a very high speed, and a high-speed jet is formed at the outlet of the steam nozzle 211. The high-speed steam jet forms a low-pressure area near the outlet of the steam nozzle 211. The fluid to be injected enters from the suction port 5 due to the low pressure, and then enters into the mixing body 1. In the mixing body 1, the high-speed steam jet mixes with the injected fluid. The mixed fluid enters the diffusion pipe 6 and is finally discharged at a high pressure, so that the high-temperature waste heat steam can be reused as a heat source or power source in the production process, thereby achieving the purpose of energy saving.

[0037] When it is found that one steam nozzle 211 is damaged, the self-locking knob 312 is rotated, so that the sealing plug 311 is rotated, and then the three-way channel 215 on the side of the steam nozzle 211 that needs to be maintained is sealed. High-pressure steam enters into another connecting pipe 212 through the three-way channel 215, and is finally sprayed out through another steam nozzle 211, so that normal steam injection work can be ensured without stopping the machine for overall maintenance, reducing the production loss caused by equipment downtime, and improving the overall operation reliability of the equipment.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An energy saving novel steam ejector comprising a mixing body (1) characterised in that: The mixed body (1) is internally provided with a steam injection mechanism (2), the steam injection mechanism (2) includes a steam nozzle (211), the steam nozzle (211) is arranged inside the mixed body (1), the left end of the steam nozzle (211) is fixedly connected with a connecting pipe (212), the left end of the mixed body (1) is fixedly connected with a fixed block (213), the outer wall of the end of the connecting pipe (212) away from the steam nozzle (211) is provided with a connecting port (214), the outer wall of the end of the connecting pipe (212) away from the steam nozzle (211) is slidably connected to the inner wall of the fixed block (213), the inner wall of the fixed block (213) is provided with a three-way channel (215), the three-way channel (215) is in communication with the connecting port (214), the end of the connecting pipe (212) away from the steam nozzle (211) is fixedly connected with a flange (216), and the left side of the fixed block (213) is fixedly connected with a mounting disc (217).

2. The energy-saving novel steam ejector according to claim 1, characterized in that: The inner wall of the fixed block (213) is provided with a sealing adjustment mechanism (3), the sealing adjustment mechanism (3) includes a sealing block (311), and the outer wall of the sealing block (311) is rotatably connected to the inner wall of the three-way channel (215).

3. The energy-saving novel steam ejector according to claim 2, characterized in that: The sealing adjustment mechanism (3) further includes a self-locking knob (312), and the bottom of the self-locking knob (312) is fixedly connected with the top of the sealing block (311).

4. The energy-saving novel steam ejector according to claim 1, characterized in that: The left side of the fixed block (213) is fixedly connected with a steam inlet pipe (4), and the inside of the steam inlet pipe (4) is in communication with the inside of the three-way channel (215).

5. The energy-saving novel steam ejector according to claim 1, characterized in that: The top of the mixed body (1) is provided with a suction inlet (5), and the suction inlet (5) is in communication with the inside of the mixed body (1).

6. The energy-saving novel steam ejector according to claim 1, characterized in that: The right end of the mixed body (1) is fixedly connected with a diffusion pipe (6), and the inside of the diffusion pipe (6) is in communication with the inside of the mixed body (1).

7. The energy-saving novel steam ejector as claimed in claim 1, wherein: The number of the steam nozzle (211), the connecting pipe (212), the flange (216) and the mounting disc (217) is two.

8. The energy-saving novel steam ejector as claimed in claim 1, wherein: The flange (216) is fixedly connected with the mounting disc (217) through a screw rod.

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