Water seal equipment of low-pressure steam heat exchange system

Abstract

The utility model discloses water seal equipment of a low-pressure steam heat exchange system, which comprises a heat exchanger main body and two tee joints A. A first-stage ball valve is arranged between joints of one ends, close to each other, of the two tee joints A. A condensate outlet of the heat exchanger main body is provided with a transmission pipeline. The end, away from the condensate outlet, of the conveying pipeline is further connected with a connector at one end of one tee joint A, a connector at one end of the other tee joint A is fixedly connected with a condensate leading-out pipe, and a water seal assembly is arranged between middle connectors of the two tee joints A. The low-pressure steam heat exchange device relates to the technical field of low-pressure steam heat exchange. According to the utility model, through the integral structure matching, the steam pressure in the heat exchanger main body can be conveniently adjusted according to different working conditions, and after adjustment, the pressure can be maintained, so that the pressure is more stable, the integral heat exchange efficiency is ensured, meanwhile, the integral manufacturing is simple and convenient, and the integral production cost is effectively controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to low pressure steam heat transfer technical field, concretely is a kind of water seal equipment of low pressure steam heat transfer system. BACKGROUND

[0002] Steam pressure refers to the pressure of steam at a certain temperature, usually used to measure the energy and thermal power of steam, wherein, the steam with pressure range between 0.1-1.0MPa is called low pressure steam, because low pressure steam contains more heat, so heat can be recycled by heat transfer system;

[0003] At present, low pressure steam enters heat transfer system, steam will be condensed into liquid after heat exchange, when steam condenses and discharges, the steam pressure in heat transfer system is difficult to achieve constant control, greatly influence the overall heat transfer efficiency.

[0004] Therefore, the utility model provides a kind of water seal equipment of low pressure steam heat transfer system to solve above-mentioned problem. INVENTION CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of water seal equipment of low pressure steam heat transfer system, solves the above-mentioned problem.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of water seal equipment of low pressure steam heat transfer system, including heat exchanger main body and two three-way A, one end of the joint between two three-way A is close to each other and is provided with a first ball valve, the condensate outlet of heat exchanger main body is installed with transmission pipeline, the end of transmission pipeline away from condensate outlet is also connected with the end joint of one of three-way A, the end joint of another three-way A is fixedly connected with condensate outlet pipe, water seal assembly is arranged between the middle joint of two three-way A, and the water seal assembly is used to adjust steam pressure and maintain steam pressure constant.

[0007] Preferably, the water seal assembly includes pressure regulating pipe A, three-way B, second ball valve, pressure regulating pipe B and three-way C, the middle joint of two three-way A is fixedly connected with pressure regulating pipe A, the top of two pressure regulating pipe A is fixedly connected with three-way B, the middle joint between two three-way B is horizontally provided with second ball valve, the joint of three-way B away from pressure regulating pipe A is fixedly connected with pressure regulating pipe B, the top of pressure regulating pipe B is fixedly connected with three-way C, and the middle joint between two three-way C is horizontally assembled with third ball valve.

[0008] The joint away from the one end of the pressure regulating pipe B of the three-way C is fixedly connected with a pressure regulating pipe C, the top end of the pressure regulating pipe C is fixedly connected with a three-way D, the middle joints of the two three-ways D are all fixedly connected with conveying pipes, the two conveying pipes are communicated with each other, the joints away from the pressure regulating pipe C of the three-way D are all fixedly connected with pipe covers, the middle parts of the two pipe covers are respectively fixedly connected with water emptying pipes and backwater emptying pipes, and the pressure regulating pipes A, the pressure regulating pipes B and the pressure regulating pipes C closest to the condensate leading-out pipes are all provided with feedback assemblies for feeding back liquid conditions.

[0009] Preferably, the feedback assembly comprises a sight glass, a positioning seat, a supporting shaft rod, a protective cover, an eccentric plate and a limiting frame, the top end of the outside of the pressure regulating pipes A, the pressure regulating pipes B and the pressure regulating pipes C closest to the condensate leading-out pipes is fixedly connected with a sight glass, the outside of the sight glass is fixedly connected with a positioning seat, the positioning seat is rotatably connected with a supporting shaft rod, the middle part of the supporting shaft rod is fixedly connected with a protective cover, the bottom end of the supporting shaft rod is fixedly connected with an eccentric plate, the side close to the eccentric plate of the sight glass is fixedly connected with a limiting frame, the inside of the limiting frame is fixedly connected with a limiting shaft rod, the limiting shaft rod is slidably connected with a displacement seat, the side between the displacement seat and the limiting frame is fixedly connected with a spiral spring, the bottom end of the displacement seat is fixedly connected with a linkage rod, and the linkage rod is also movably connected to the middle part of the eccentric plate.

[0010] Preferably, the end close to the condensate outlet of the transmission pipeline is bent upwards, and the bent part of the transmission pipeline is provided with a reinforcing rib.

[0011] Preferably, the end close to the condensate outlet of the transmission pipeline is bent upwards, and the bent part of the transmission pipeline is provided with a reinforcing rib.

[0012] Preferably, the end close to the condensate outlet of the transmission pipeline is bent upwards, and the bent part of the transmission pipeline is provided with a reinforcing rib.

[0013] Preferably, the end close to the condensate outlet of the transmission pipeline is bent upwards, and the bent part of the transmission pipeline is provided with a reinforcing rib.

[0014] Preferably, the end close to the condensate outlet of the transmission pipeline is bent upwards, and the bent part of the transmission pipeline is provided with a reinforcing rib.

[0015] Beneficial effects

[0016] The utility model provides a kind of water seal equipment of low-pressure steam heat exchange system.Compared with prior art, it has the following beneficial effects:

[0017] The water seal equipment of the low-pressure steam heat exchange system can conveniently adjust the steam pressure in the heat exchanger main body according to different working conditions, and can keep the pressure stable after adjustment, so that the heat exchange efficiency is ensured, and the overall manufacturing is simple, and the overall production cost is effectively controlled.

[0018] The water seal equipment of the low-pressure steam heat exchange system is provided with a feedback assembly, so that personnel can intuitively view the liquid condition, to facilitate subsequent adjustment work of personnel. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the overall structure schematic view of the utility model;

[0020] Figure 2 is the structure schematic view of the feedback assembly of the utility model;

[0021] Figure 3 is the overall structure schematic view of the utility model Figure 3 is the local enlarged view of A in the utility model;

[0022] Figure 4 is the separation structure schematic view of the positioning seat and the supporting shaft rod of the utility model.

[0023] In the figure, 1 is a heat exchanger main body; 2 is a three-way A; 3 is a first-stage ball valve; 4 is a condensate outlet; 5 is a transmission pipeline; 6 is a condensate outlet pipe; 7 is a pressure regulating pipe A; 8 is a three-way B; 9 is a second-stage ball valve; 10 is a pressure regulating pipe B; 11 is a three-way C; 12 is a third-stage ball valve; 13 is a pressure regulating pipe C; 14 is a three-way D; 15 is a conveying pipe; 16 is a pipe cover; 17 is an upper water vent pipe; 18 is a backwater vent pipe; 19 is a sight glass; 20 is a positioning seat; 21 is a supporting shaft rod; 22 is a protective cover; 23 is an eccentric plate; 24 is a limiting frame; 25 is a limiting shaft rod; 26 is a displacement seat; 27 is a helical spring; and 28 is a linkage rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment one:

[0026] Please refer to Figures 1-4The utility model provides a kind of water seal equipment of low-pressure steam heat exchange system, including heat exchanger main body 1 and two three ways A2, one end of two three ways A2 is close to the joint between setting a first ball valve 3, heat exchanger main body 1 is equipped with transmission pipeline 5 on condensate outlet 4, transmission pipeline 5 is also connected with one end joint of one of three ways A2 at the end away from condensate outlet 4, the end joint of another three way A2 is fixedly connected with condensate outlet pipe 6, water seal assembly is arranged between the middle joint of two three ways A2, and water seal assembly is used for adjusting steam pressure and maintaining steam pressure constant;

[0027] Water seal assembly includes pressure regulating pipe A7, three way B8, two-stage ball valve 9, pressure regulating pipe B10 and three way C11, the middle joint of two three ways A2 is fixedly connected with pressure regulating pipe A7, the top of two pressure regulating pipe A7 is fixedly connected with three way B8, two three way B8 is horizontally provided with two-stage ball valve 9 between the middle joint, the joint of three way B8 away from pressure regulating pipe A7 is fixedly connected with pressure regulating pipe B10, the top of pressure regulating pipe B10 is fixedly connected with three way C11, and the middle joint of two three way C11 is horizontally equipped with three-stage ball valve 12;

[0028] The joint of three way C11 away from pressure regulating pipe B10 is fixedly connected with pressure regulating pipe C13, the top of pressure regulating pipe C13 is fixedly connected with three way D14, the middle joint of two three way D14 is fixedly connected with delivery pipe 15, and two delivery pipes 15 are communicated with each other, the joint of three way D14 away from pressure regulating pipe C13 is fixedly connected with pipe cover 16, and the middle of two pipe covers 16 is fixedly connected with upper water vent pipe 17 and backwater vent pipe 18 respectively, the pressure regulating pipe A7, pressure regulating pipe B10 and pressure regulating pipe C13 closest to condensate outlet pipe 6 are all provided with feedback assembly for feeding back liquid condition;

[0029] In detail, the end of transmission pipeline 5 close to condensate outlet 4 is bent upwards, and the bent portion of transmission pipeline 5 is provided with reinforcing ribs, by using the structural characteristics of transmission pipeline 5, after transmission pipeline 5 is connected with condensate outlet 4, it can be reversed, so that pressure regulating pipe A7 can be vertically assembled;

[0030] Further, the end of two delivery pipes 15 close to each other is fixedly connected with flange, and two delivery pipes 15 are connected through flange, by using the structural characteristics of flange, the quick assembly between two delivery pipes 15 can be formed, and the stability after connection between two delivery pipes 15 can be ensured;

[0031] Embodiment two:

[0032] Please refer to Figures 1-4The embodiment provides a technical scheme on the basis of the embodiment one: the feedback assembly comprises a sight glass 19, a positioning seat 20, a supporting shaft 21, a protective cover 22, an eccentric plate 23 and a limiting frame 24, the top end of the pressure regulating pipe A 7, the pressure regulating pipe B 10 and the pressure regulating pipe C 13 closest to the condensate outlet pipe 6 is fixedly connected with the sight glass 19, the outer side of the sight glass 19 is fixedly connected with the positioning seat 20, the positioning seat 20 is rotationally connected with the supporting shaft 21, the middle part of the supporting shaft 21 is fixedly connected with the protective cover 22, the bottom end of the supporting shaft 21 is fixedly connected with the eccentric plate 23, the side, close to the eccentric plate 23, of the sight glass 19 is fixedly connected with the limiting frame 24, the inner side of the limiting frame 24 is fixedly connected with a limiting shaft 25, the limiting shaft 25 is slidably connected with a displacement seat 26, the side, between the limiting frame 24 and the displacement seat 26, of the displacement seat 26 is fixedly connected with a spiral spring 27, the bottom end of the displacement seat 26 is fixedly connected with a linkage rod 28, and the linkage rod 28 is also movably connected to the middle part of the eccentric plate 23.

[0033] In detail, the edge of one end of the sight glass 19 is fixedly connected with a buffer pad, the buffer pad is made of flexible material, and when the protective cover 22 rotates towards the sight glass 19, the buffer pad can bear the pressure received by the sight glass 19, so that the sight glass 19 is prevented from being damaged.

[0034] Further, one end of the positioning seat 20 is in a U-shaped structure, the top and bottom of the one end of the positioning seat 20 are provided with supporting holes, and the supporting shaft 21 is rotationally connected between the two supporting holes, the supporting holes can be used for effectively assembling the supporting shaft 21, and in the embodiment, the supporting holes can be provided with balls to improve the smoothness of the rotation of the supporting shaft 21.

[0035] Further, the middle part of the eccentric plate 23 is provided with a linkage groove, and the linkage rod 28 is movably connected in the linkage groove, and when the supporting shaft 21 drives the eccentric plate 23 to rotate, the linkage groove can pull the linkage rod 28, so that the displacement seat 26 is driven to slide under the limitation of the limiting shaft 25.

[0036] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0037] Working principle, the steam first enters into the heat exchanger main body 1, and is condensed into steam condensate in the heat exchanger main body 1, and then is discharged in sequence through the condensate outlet 4, the transmission pipeline 5, the first ball valve 3 and the condensate outlet pipe 6.

[0038] And the first ball valve 3 can be closed, so that the condensate transmitted by the transmission pipeline 5 passes through the second ball valve 9, at this time, the steam pressure needs to overcome the pressure of the pipeline water column between the first ball valve 3 and the second ball valve 9, so as to send the condensate to the condensate outlet pipe 6, thereby the pressure of the steam in the heat exchanger main body 1 can be improved and stabilized.

[0039] And the secondary ball valve 9 and the tertiary ball valve 12 can be closed, the steam can form stable pressure inside the heat exchanger body 1 in turn, and through the setting of the water discharge pipe 17 and the backwater discharge pipe 18, the non-condensable gas can be conveniently discharged and connected with the atmosphere, and the water column pressure is stable in turn;

[0040] At the same time, the protective cover 22 can be pulled outwards, and since the protective cover 22 is supported by the support shaft rod 21, the protective cover 22 can drive the support shaft rod 21 to rotate, and cooperate with the connection between the support shaft rod 21 and the eccentric plate 23, so that the eccentric plate 23 can push the linkage rod 28 while following the rotation of the support shaft rod 21, and promote the displacement of the displacement seat 26 outside the limiting shaft rod 25, while extruding the spiral spring 27, through the overturning of the protective cover 22, the sight glass 19 can be exposed, so that personnel can intuitively check the condition of the liquid, and after checking, the protective cover 22 is loosened, and the rebound of the spiral spring 27 can promote the protective cover 22 to cover the sight glass 19 again, and the sight glass 19 is protected, and dust can be prevented from adhering to the surface of the sight glass 19 in the unused state.

[0041] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0042] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A water seal apparatus for a low pressure steam heat exchange system, characterized by: The application relates to a heat exchanger, which comprises a heat exchanger body (1) and two three-way pipes A (2), a first-stage ball valve (3) is arranged between the joints of the ends of the two three-way pipes A (2) which are close to each other, a transmission pipeline (5) is arranged on a condensate outlet (4) of the heat exchanger body (1), one end of the transmission pipeline (5) which is far away from the condensate outlet (4) is connected with one end joint of one of the three-way pipes A (2), one end joint of the other three-way pipe A (2) is fixedly connected with a condensate leading-out pipe (6), a water seal assembly is arranged between the middle joints of the two three-way pipes A (2), and the water seal assembly is used for adjusting and maintaining the steam pressure constant.

2. The water seal apparatus of a low-pressure steam heat exchange system according to claim 1, characterized in that: The water seal assembly comprises a pressure regulating pipe A (7), a three-way pipe B (8), a second-stage ball valve (9), a pressure regulating pipe B (10) and a three-way pipe C (11), the middle joints of the two three-way pipes A (2) are fixedly connected with the pressure regulating pipe A (7), the top ends of the two pressure regulating pipe A (7) are fixedly connected with the three-way pipe B (8), the middle joints of the two three-way pipe B (8) are horizontally provided with the second-stage ball valve (9), the joint of the three-way pipe B (8) which is far away from the pressure regulating pipe A (7) is fixedly connected with the pressure regulating pipe B (10), the top end of the pressure regulating pipe B (10) is fixedly connected with the three-way pipe C (11), and the middle joints of the two three-way pipe C (11) are horizontally provided with a third-stage ball valve (12). The joint of the three-way pipe C (11) which is far away from the pressure regulating pipe B (10) is fixedly connected with a pressure regulating pipe C (13), the top end of the pressure regulating pipe C (13) is fixedly connected with a three-way pipe D (14), the middle joints of the two three-way pipe D (14) are fixedly connected with a conveying pipe (15), the two conveying pipes (15) are communicated with each other, the joint of the three-way pipe D (14) which is far away from the pressure regulating pipe C (13) is fixedly connected with a pipe cover (16), the middle parts of the two pipe covers (16) are fixedly connected with an upper water venting pipe (17) and a backwater venting pipe (18) respectively, and the pressure regulating pipe A (7), the pressure regulating pipe B (10) and the pressure regulating pipe C (13) which are closest to the condensate leading-out pipe (6) are provided with feedback assemblies for feeding back liquid conditions.

3. The water seal apparatus of a low pressure steam heat exchange system according to claim 2, wherein: The feedback assembly comprises a sight glass (19), a positioning seat (20), a supporting shaft (21), a protective cover (22), an eccentric plate (23) and a limiting frame (24), the top end of the pressure regulating pipe A (7), the pressure regulating pipe B (10) and the pressure regulating pipe C (13) closest to the condensate outlet pipe (6) is fixedly connected with the sight glass (19), the outer side of the sight glass (19) is fixedly connected with the positioning seat (20), the positioning seat (20) is rotatably connected with the supporting shaft (21), the middle part of the supporting shaft (21) is fixedly connected with the protective cover (22), the bottom end of the supporting shaft (21) is fixedly connected with the eccentric plate (23), the side of the sight glass (19) close to the eccentric plate (23) is fixedly connected with the limiting frame (24), the inner side of the limiting frame (24) is fixedly connected with a limiting shaft (25), the limiting shaft (25) is slidably connected with a displacement seat (26), the side of the displacement seat (26) and the limiting frame (24) are fixedly connected with a spiral spring (27), the bottom end of the displacement seat (26) is fixedly connected with a linkage rod (28), and the linkage rod (28) is also movably connected to the middle part of the eccentric plate (23).

4. The water seal apparatus of claim 1, wherein: The transmission pipeline (5) is bent upwards at one end close to the condensate outlet (4), and the bent part of the transmission pipeline (5) is provided with a reinforcing rib.

5. The water seal apparatus of claim 2, wherein: The two conveying pipes (15) are fixedly connected with flanges at one end close to each other, and the two conveying pipes (15) are connected through the flanges.

6. The water seal apparatus of claim 3, wherein: The edge of one end of the sight glass (19) is fixedly connected with a buffer pad, and the buffer pad is made of flexible material.

7. The water seal apparatus of claim 3, wherein: One end of the positioning seat (20) is a U-shaped structure, and the top and bottom of the one end of the positioning seat (20) are provided with supporting holes, and the supporting shaft (21) is rotatably connected between the two supporting holes.

8. The water seal apparatus of claim 3, wherein: The middle part of the eccentric plate (23) is provided with a linkage groove, and the linkage rod (28) is movably connected in the linkage groove.

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