Variable cross-section nozzle type efficient energy-saving steam ejector

Abstract

The invention provides a variable cross-section nozzle type efficient and energy-saving steam ejector, and relates to the field of steam ejection, and the variable cross-section nozzle type efficient and energy-saving steam ejector is characterized in that fixed seats are welded on the outer sides of the top of an ejector shell C and the top of an ejector shell B; matching seats are welded to the bottom of the ejector shell A and the bottom of the ejector shell B correspondingly. Two noise reduction covers are fixedly mounted outside the ejector shell A; a fixed insertion block at the bottom of a fixed seat is accurately placed into one side of a matched clamping groove, the fixed seat is rotated to enable the insertion block to be clamped into the groove, and at the moment, the insertion block pushes a detection sliding block to move backwards until the front end of the sliding block is flush with the inner wall of a fixed hole B, so that the butt joint precision between shells is ensured to be aligned with a sealing surface; and then, a fixing screw can be smoothly inserted to complete fastening, so that the problem that the use sealing performance of the steam ejector is reduced due to the fact that the installation of a common steam ejector is not provided with a good detection mechanism, and deviation is easily caused in the installation and fixing process of the steam ejector is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steam ejector, in particular to a variable cross-section nozzle type high-efficiency energy-saving steam ejector. BACKGROUND

[0002] The steam ejector is a kind of thermodynamic compression equipment using high-pressure working steam as power to pump, mix and compress low-pressure steam through specific fluid mechanics principle and output a mixed medium-pressure steam.

[0003] In the use process of the steam ejector, the steam ejector is used in cooperation with a certain variable cross-section nozzle, and after the steam ejector is used for a period of time, the steam ejector is disassembled for operation, but the installation of the commonly used steam ejector does not have a good detection mechanism, which is easy to cause deviation in the installation and fixation process of the steam ejector, thereby causing the sealing performance of the steam ejector to decrease. SUMMARY

[0004] The present application discloses a variable cross-section nozzle type high-efficiency energy-saving steam ejector to solve the problem of the installation of the commonly used steam ejector not having a good detection mechanism, which is easy to cause deviation in the installation and fixation process of the steam ejector, thereby causing the sealing performance of the steam ejector to decrease.

[0005] The present application provides a variable cross-section nozzle type high-efficiency energy-saving steam ejector, which specifically comprises: an ejector shell A, a bottom of the ejector shell A is fixedly installed with an ejector shell B; a bottom of the ejector shell B is fixedly installed with an ejector shell C; the top of the ejector shell C and the top outer side of the ejector shell B are both welded with a fixing seat; the bottom of the ejector shell A and the bottom of the ejector shell B are both welded with a matching seat; the ejector shell A is externally fixedly installed with two noise reduction covers; the ejector shell A further comprises: an adjusting screw rod, the adjusting screw rod is rotatable in the middle of the ejector shell C through threaded connection; an adjusting block, the adjusting block is fixedly installed at one end of the adjusting screw rod.

[0006] As a further scheme of the present application, the ejector shell A further comprises: a connecting side pipe A, the connecting side pipe A is welded on one side of the ejector shell B; a nozzle shell, the nozzle shell is fixedly installed on the top of the ejector shell B.

[0007] As a further scheme of the present application, the ejector shell A further comprises: a connecting side pipe B, the connecting side pipe B is welded on one side of the ejector shell A; a jet connecting pipe, the jet connecting pipe is fixedly installed on the top of the ejector shell A through flange.

[0008] As a further scheme of the present application, the fixing seat further comprises: fixing joints, the number of which is eight, arranged in a ring array on the outside of the fixing seat; a fixing block, which is rectangular in shape and is integrally arranged on one side of the fixing joint; and a fixing hole A, which is arranged in the middle of the fixing joint.

[0009] As a further scheme of the present application, the fixing seat further comprises: fixing joints, the number of which is eight, arranged in a ring array on the outside of the fixing seat; a fixing block, which is rectangular in shape and is integrally arranged on one side of the fixing joint; and a fixing hole A, which is arranged in the middle of the fixing joint.

[0010] As a further scheme of the present application, the fixing seat further comprises: fixing joints, the number of which is eight, arranged in a ring array on the outside of the fixing seat; a fixing block, which is rectangular in shape and is integrally arranged on one side of the fixing joint; and a fixing hole A, which is arranged in the middle of the fixing joint.

[0011] As a further scheme of the present application, the fixing seat further comprises: fixing joints, the number of which is eight, arranged in a ring array on the outside of the fixing seat; a fixing block, which is rectangular in shape and is integrally arranged on one side of the fixing joint; and a fixing hole A, which is arranged in the middle of the fixing joint.

[0012] As a further scheme of the present application, the fixing seat further comprises: fixing joints, the number of which is eight, arranged in a ring array on the outside of the fixing seat; a fixing block, which is rectangular in shape and is integrally arranged on one side of the fixing joint; and a fixing hole A, which is arranged in the middle of the fixing joint.

[0013] The variable cross-section nozzle type high-efficiency energy-saving steam ejector provided by the present application has the following beneficial effects:

[0014] The rotating adjustment screw can drive the internal adjustment block to axially displace, thereby accurately controlling the annular flow area of the nozzle shell spout, realizing stepless adjustment of steam flow, flow rate and injection angle. This dynamic adjustment mechanism can not only optimize the steam supply amount in real time according to the working condition requirements, avoiding energy overload or insufficient supply, but also can significantly improve the entrainment efficiency and medium mixing uniformity by changing the injection parameters, so that the system always maintains in the best working state.

[0015] When subsequent maintenance and repair of the steam ejector is required, the operating personnel can conveniently disassemble the fixing screws between the mating seats and the fixing seats on the ejector shell A, the ejector shell B and the ejector shell C, separate the shell units from each other, and thus provide sufficient operation space for the inspection, cleaning or replacement of the internal components, greatly improving the convenience and coverage of the maintenance operation; and when reassembling, the fixing plug at the bottom of the fixing seat is accurately placed into the one side of the matching clamping groove, the fixing seat is rotated to make the plug clamped into the groove, at this time the plug will push the detection slider to the rear displacement until the front end of the slider is flush with the inner wall of the fixing hole B, this linkage mechanism not only constitutes an intuitive installation in place indication, but also ensures the docking accuracy and sealing surface centering between the shell units, and then the fixed screws can be smoothly penetrated to complete the fastening, this design not only realizes the quick disassembly and repositioning, but also effectively prevents the sealing failure or flow deviation caused by misalignment installation through the feedback of the detection slider, significantly improves the assembly reliability, maintenance efficiency and equipment operation stability, reduces the risk of internal wear or performance decline caused by installation error, and prolongs the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0017] The drawings described in the following description only relate to some embodiments of the present application, but are not a limitation of the present application.

[0018] In the drawings:

[0019] Figure 1 is the overall axial perspective structure schematic diagram of the variable cross-section nozzle type high-efficiency energy-saving steam ejector of the embodiment of the present application.

[0020] Figure 2 is the ejector shell A structure schematic diagram of the variable cross-section nozzle type high-efficiency energy-saving steam ejector of the embodiment of the present application.

[0021] Figure 3 is the overall disassembly structure schematic diagram of the variable cross-section nozzle type high-efficiency energy-saving steam ejector of the embodiment of the present application.

[0022] Figure 4 is the ejector shell C structure schematic diagram of the variable cross-section nozzle type high-efficiency energy-saving steam ejector of the embodiment of the present application.

[0023] Figure 5 is the ejector shell B structure schematic diagram of the variable cross-section nozzle type high-efficiency energy-saving steam ejector of the embodiment of the present application.

[0024] Figure 6This is a schematic diagram of the ejector housing A structure of a variable cross-section nozzle-type high-efficiency energy-saving steam ejector according to an embodiment of the present invention.

[0025] Figure 7 This is a schematic diagram of the fixed seat and mating seat structure of the variable cross-section nozzle type high-efficiency energy-saving steam ejector according to an embodiment of the present invention.

[0026] Figure 8 This is a schematic diagram of the noise reduction cover structure of a variable cross-section nozzle-type high-efficiency energy-saving steam ejector according to an embodiment of the present invention.

[0027] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0028] 1. Injector housing A; 101. Injector housing B; 102. Injector housing C; 103. Adjusting screw; 104. Adjusting block; 105. Connecting side tube A; 106. Nozzle housing; 107. Connecting side tube B; 108. Injection connecting pipe; 2. Fixing base; 201. Fixing joint; 202. Fixing insert; 203. Fixing hole A; 3. Mating base; 301. Mating joint; 302. Fixing hole B; 303. Detection side shell; 304. Mating groove; 305. Detection slider; 306. Transmission joint; 4. Noise reduction cover; 401. Connector; 402. Cooling fan; 403. Cooling fins; 404. Sealing strip. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] As attached Figure 1 To be continued Figure 8 As shown:

[0031] Example: This invention proposes a variable cross-section nozzle type high-efficiency energy-saving steam ejector, comprising: an ejector housing A1, an ejector housing B101 fixedly mounted on the bottom of ejector housing A1; an ejector housing C102 fixedly mounted on the bottom of ejector housing B101; a fixing seat 2 welded to the top of ejector housing C102 and the outer side of the top of ejector housing B101; a mating seat 3 welded to the bottom of ejector housing A1 and the bottom of ejector housing B101; two noise reduction covers 4 fixedly mounted on the outside of ejector housing A1; ejector housing A1 further includes: an adjusting screw 103, the adjusting screw 103 being rotatable via a threaded connection to... The injector housing C102 has an adjusting block 104 fixedly installed at one end of the adjusting screw 103; a connecting side pipe A105 welded to one side of the injector housing B101; a nozzle housing 106 fixedly installed at the top of the injector housing B101; a connecting side pipe B107 welded to one side of the injector housing A1; and a spray connecting pipe 108 fixedly installed at the top of the injector housing A1 via a flange. A sealing gasket is provided at the connection between the injector housing A1, injector housing B101, and injector housing C102.

[0032] The fixing base 2 also includes: a fixing connector 201, the number of fixing connectors 201 is set to eight, the fixing connectors 201 are arranged in a ring array on the outside of the fixing base 2; a fixing plug 202, the fixing plug 202 is in the shape of a rectangular block structure, and the fixing plug 202 is arranged in one side of the fixing connector 201; and a fixing hole A203, the fixing hole A203 is opened in the middle of the fixing connector 201.

[0033] The mating seat 3 further includes: eight mating joints 301 arranged in a ring array on the outside of the mating seat 3; the mating joints 301 and the fixed joint 201 are fixedly connected by fixing screws; a fixing hole B302 is formed in the middle of the mating joint 301; and eight detection side shells 303 are rectangular shell structures, which are fixedly installed on the mating seat 3. One side of the head 301; a mating groove 304, which is an arc-shaped groove structure and is located at the bottom of the detection side shell 303; a detection slider 305, which is an L-shaped block structure and slides inside the detection side shell 303; one end of the detection slider 305 is slidably connected to the fixing hole B302; a transmission joint 306, which is integrally set on the top of the detection slider 305; a spring is installed between the transmission joint 306 and the detection side shell 303.

[0034] The noise reduction cover 4 also includes: a connector 401, which has an arc-shaped head structure and four connectors 401 are symmetrically fixed at the upper and lower ends of the noise reduction cover 4; two cooling fans 402, which are symmetrically installed at the upper and lower ends of the noise reduction cover 4; heat dissipation fins 403, which are fixedly installed inside the noise reduction cover 4; the heat dissipation fins 403 are in contact with the outer sides of the injector housing A1, injector housing B101, and injector housing C102; and a sealing strip 404, which is fixedly installed on one side of one of the noise reduction covers 4; and a sealing groove is provided on the adjacent side of the other noise reduction cover 4 to engage with the sealing strip 404.

[0035] The specific usage and function of this embodiment are as follows: During the use of the steam ejector, steam enters the ejector housing B101 through the connecting side pipe A105, and then the steam is ejected through the nozzle housing 106. The adjusting block 104, which can cooperate with the adjusting screw 103, controls the size of the nozzle outlet between the nozzle housings 106, thereby controlling the amount of steam passing through. Then, air enters through the connecting side pipe B107 and mixes with the steam before being discharged through the injection connecting pipe 108.

[0036] When subsequent maintenance and repair of the steam ejector are required, the fixing screws between the mating seats 3 and the fixing seat 2 on the ejector housings A1, B101, and C102 can be removed to detach the ejector housings A1, B101, and C102 for maintenance and repair. When it is necessary to install and fix the ejector housings A1, B101, and C102, the fixing blocks 202 of the fixing seat 2 can be placed on the mating seats. The mounting bracket 304 is positioned on one side, and then the fixing block 202 is inserted into the mounting bracket 304 by rotating the fixing base 2. The fixing block 202 will trigger the detection slider 305 to move backward, so that one end of the detection slider 305 is flush with the inner wall of the fixing hole B302. At this time, the fixing screw can be fixed and installed through the fixing hole B302 of the mating joint 301, so that the installation of the steam ejector has the ability to be tested, ensuring that the installation position between the ejector housing A1, ejector housing B101, and ejector housing C102 is accurate.

[0037] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the scope of protection of the present invention, which is determined by the appended claims.

Claims

1. A variable cross-section nozzle type high-efficiency energy-saving steam ejector, characterized by, Include: The ejector housing A (1), the ejector housing A (1) bottom fixed mounting ejector housing B (101); The ejector housing B (101) bottom fixed mounting ejector housing C (102); The ejector housing C (102) top and the top outside of ejector housing B (101) are all welded with fixed seat (2); The ejector housing A (1) bottom and the bottom of ejector housing B (101) are all welded with matching seat (3); The ejector housing A (1) outside fixed mounting has two noise reduction cover (4); The ejector housing A (1) still includes: adjusting screw (103), adjusting screw (103) is rotated in the middle of ejector housing C (102) through threaded connection; Adjusting block (104), adjusting block (104) is fixedly installed on one end of adjusting screw (103).

2. A variable cross-section nozzle type high-efficiency energy-saving steam ejector as claimed in claim 1, wherein: The ejector housing A (1) still includes: connecting side pipe A (105), connecting side pipe A (105) is welded to one side of ejector housing B (101); Nozzle housing (106), nozzle housing (106) is fixedly installed on the top of ejector housing B (101).

3. A variable cross-section nozzle type high-efficiency energy-saving steam ejector according to claim 2, characterized in that: The ejector housing A (1) still includes: connecting side pipe B (107), connecting side pipe B (107) is welded to one side of ejector housing A (1); Injection connecting pipe (108), injection connecting pipe (108) is fixedly installed on the top of ejector housing A (1) through flange.

4. A variable cross-section nozzle type high-efficiency energy-saving steam ejector as claimed in claim 1, wherein: The fixed seat (2) further comprises: a fixed connector (201), the number of fixed connector (201) is eight, the fixed connector (201) is integrally arranged outside the fixed seat (2) in the form of annular array; Fixed plug (202), the shape of fixed plug (202) is rectangular block structure, and the fixed plug (202) is integrally arranged on one side of the fixed connector (201); Fixed hole A (203), fixed hole A (203) is arranged in the middle of the fixed connector (201).

5. A variable cross-section nozzle type high-efficiency energy-saving steam ejector as claimed in claim 1, wherein: The matching seat (3) further comprises: a matching connector (301), the number of matching connector (301) is eight, the matching connector (301) is integrally arranged outside the matching seat (3) in the form of annular array; The matching connector (301) and the fixed connector (201) are fixedly connected by fixed screws; Fixed hole B (302), fixed hole B (302) is arranged in the middle of the matching connector (301); Detection side shell (303), the shape of detection side shell (303) is rectangular shell structure, and the number of detection side shell (303) is eight, detection side shell (303) is fixedly installed on one side of the matching connector (301).

6. A variable area nozzle type high efficiency energy saving steam ejector as claimed in claim 5 wherein: The matching seat (3) further includes: a matching clamping groove (304), which is in an arc-shaped groove structure, and is arranged at the bottom of the detection side shell (303); a detection sliding block (305), which is in an L-shaped block structure, and is slidably arranged in the detection side shell (303); the detection sliding block (305) is slidably connected to the fixed hole B (302); a transmission joint (306), which is integrally arranged at the top of the detection sliding block (305); and a spring, which is arranged between the transmission joint (306) and the detection side shell (303).

7. A variable cross-section nozzle type high-efficiency energy-saving steam ejector as claimed in claim 1, wherein: The noise reduction cover (4) further includes: a connecting head (401), which is in an arc-shaped head structure, and is arranged in four, and is symmetrically arranged at the upper and lower ends of the noise reduction cover (4); and two heat dissipation fans (402), which are symmetrically arranged at the upper and lower ends of the noise reduction cover (4).

8. A variable area nozzle type high efficiency energy saving steam ejector as claimed in claim 7 wherein: The noise reduction cover (4) further includes: a heat dissipation fin (403), which is fixedly arranged at the inner side of the noise reduction cover (4); the heat dissipation fin (403) is attached to the outer sides of the ejector housing A (1), the ejector housing B (101) and the ejector housing C (102); a sealing strip (404), which is fixedly arranged at one side of one of the noise reduction covers (4); and a sealing groove, which is arranged at the side of the other noise reduction cover (4) and is engaged with the sealing strip (404).

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