Vapor-liquid separation flow measuring device

Abstract

The utility model belongs to the technical field of vapor-liquid separation, and particularly relates to a vapor-liquid separation flow measuring device which comprises a heat exchanger and a vapor-liquid separator, one end of the heat exchanger is connected with the vapor-liquid separator, the vapor-liquid separator is provided with an outlet I and an outlet II, the outlet I is arranged above the vapor-liquid separator, and the outlet II is arranged above the vapor-liquid separator. The outlet I is vertically arranged below the steam-liquid separator, the outlet II is vertically arranged below the steam-liquid separator, a steam flow meter is arranged at the outlet I, a liquid flow meter is arranged at the outlet II, steam in the steam-liquid separator is discharged from the outlet I, an aqueous solution is discharged from the outlet II, and a supporting assembly is arranged on the outer side of the steam-liquid separator. Steam in the heat exchanger is directly introduced into the steam-liquid separator after heat exchange is completed, steam and an aqueous solution are separated out, and a steam flow meter and a liquid flow meter are arranged on the steam-liquid separator and are used for metering the steam and the aqueous solution respectively, so that follow-up steam recovery is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of vapor-liquid separation, in particular to a vapor-liquid separation flow measurement device. Background Art

[0002] The heat exchanger uses steam to perform heat exchange. The working principle is to pass hot steam to heat the liquid inside the heat exchanger. The steam after heat exchange is discharged from the heat exchanger, and a steam flow meter is set to measure the steam after heat exchange.

[0003] The steam temperature decreases after heat exchange and contains a large amount of water. The steam after heat exchange needs to be returned to the boiler for dehydration and energy recovery. However, due to the variable density of the steam-water mixture, the steam flow meter cannot accurately measure the steam flow rate, resulting in the inability to calculate the subsequent flow rate entering the boiler. At the same time, the inside of the boiler cannot be observed. After the steam-water mixture enters the boiler, it is impossible to judge the operation of the equipment and perform dehydration and energy recovery operations. Utility Model Content

[0004] In view of the technical problems existing in the background technology, the purpose of the utility model is to provide a vapor-liquid separation flow measurement device to separate the steam and aqueous solution discharged from the heat exchanger, so as to facilitate the subsequent recovery of the steam into the boiler.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A vapor-liquid separation flow measurement device comprises a heat exchanger and a vapor-liquid separator, one end of the heat exchanger is connected to the vapor-liquid separator, an outlet I and an outlet II are arranged on the vapor-liquid separator, the outlet I is arranged above the vapor-liquid separator, the outlet II is arranged vertically below the vapor-liquid separator, a steam flow meter is arranged at the outlet I, a liquid flow meter is arranged at the outlet II, the steam in the vapor-liquid separator is discharged from the outlet I, and the aqueous solution is discharged from the outlet II, and a support assembly is arranged on the outside of the vapor-liquid separator.

[0007] Preferably, the heat exchanger is provided with an exchange hole I and an exchange hole II, the vapor-liquid separator is provided with a steam inlet, and the exchange hole II is connected to the steam inlet.

[0008] Preferably, the support assembly comprises a support ring, and the support ring is slidably mounted on the outer side of the gas-liquid separator.

[0009] Preferably, the support assembly further comprises a plurality of support rods, the support ring is provided with a plurality of grooves, the support rods are connected in the grooves, and the support rods are bent toward the center of the support ring.

[0010] Preferably, a plurality of threaded holes I are provided on the support ring, a threaded hole II is provided on the support rod, the threaded holes I and II are aligned, and bolts are detachably provided in the threaded holes I and II.

[0011] Preferably, a driving assembly is provided at one end of the support ring, and the driving assembly includes a connecting rod and a connecting seat, one end of the connecting rod is connected to the support ring, the connecting rod is slidably connected to the connecting seat, a driving member is provided inside the connecting seat, and the other end of the connecting rod is connected to the driving member.

[0012] Preferably, a collecting cylinder is provided at the bottom of the vapor-liquid separator, one end of the collecting cylinder is connected to the opening II, and the liquid flow meter is provided on the collecting cylinder.

[0013] The utility model has the following advantages and beneficial effects:

[0014] 1. In the utility model, after the steam in the heat exchanger completes the heat exchange, it is directly introduced into the vapor-liquid separator to separate the steam and the aqueous solution. The vapor-liquid separator is provided with a steam flow meter and a liquid flow meter to measure the steam and the aqueous solution respectively, so as to recover the steam later, thereby avoiding the mixing of the steam and the aqueous solution, which causes the steam to be unable to be reused.

[0015] 2. In the present invention, since steam is used for heat exchange in many heat exchangers and the structural dimensions of the heat exchangers are different, a support assembly is used to connect the vapor-liquid separator, and the position of the vapor-liquid separator can be adjusted to meet the needs of different heat exchangers.

[0016] 3. The utility model has a simple structure and is easy to operate, and is convenient for separating the steam and the aqueous solution in the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a vapor-liquid separation flow measurement device provided by the utility model;

[0018] Figure 2 A schematic diagram of the heat exchanger structure of a vapor-liquid separation flow measurement device provided by the utility model;

[0019] Figure 3 A schematic diagram of the structure of a vapor-liquid separator of a vapor-liquid separation flow measurement device provided by the utility model;

[0020] Figure 4 A diagram showing the structure and use of a support assembly for a vapor-liquid separation flow measurement device provided by the utility model;

[0021] Figure 5 A schematic diagram of the support ring structure of a vapor-liquid separation flow measurement device provided by the utility model;

[0022] Figure 6 A cross-sectional view showing the connection between a support assembly and a drive assembly of a vapor-liquid separation flow measurement device provided by the utility model;

[0023] Icons: 1-heat exchanger, 101-exchange hole I, 102-exchange hole II, 2-vapor-liquid separator, 201-steam inlet, 202-outlet I, 203-outlet II, 3-support ring, 31-groove, 32-threaded hole I, 4-support rod, 41-threaded hole II, 42-bolt, 5-connecting rod, 51-cylinder, 6-connecting seat, 7-steam flowmeter, 8-collecting tube, 81-liquid flowmeter. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example

[0027] like Figure 1-6As shown, a vapor-liquid separation flow measurement device includes a heat exchanger 1 and a vapor-liquid separator 2. The vapor-liquid separator 2 adopts a cyclone separator in the prior art. One end of the heat exchanger 1 is connected to the vapor-liquid separator 2. The heat exchanger 1 is provided with an exchange hole Ⅰ101 and an exchange hole Ⅱ102. The vapor-liquid separator 2 is provided with a steam inlet 201. The exchange hole Ⅱ102 is connected to the steam inlet 201. The vapor-liquid separator 2 is also provided with an outlet Ⅰ202 and an outlet Ⅱ203. The outlet Ⅰ202 is arranged above the vapor-liquid separator 2, and the outlet Ⅱ203 is vertically arranged below the vapor-liquid separator 2. A steam flow meter 7 is arranged at the outlet Ⅰ202, and a liquid flow meter 81 is arranged at the outlet Ⅱ203. The steam in 2 is discharged from outlet I 202, and the liquid is discharged from outlet II 203. The steam and aqueous solution exchanged in the heat exchanger 1 are separated by the vapor-liquid separator 2. The aqueous solution is recovered and the flow rate is measured below the vapor-liquid separator 2. The steam is above the vapor-liquid separator 2. After the value is obtained by the steam flow meter 7, it is passed into the boiler for recovery. In the original technology, the aqueous solution and the steam are passed into the boiler together. The workers cannot judge the efficiency of steam recovery, and cannot judge the medium content required for recovery according to the steam flow rate. The design solves this problem. It not only keeps the steam passed into the boiler dry, but also adjusts the value of the recovery inside the boiler by observing the flow meter, so that the steam can be better recovered.

[0028] like Figure 1 , 3 As shown in Figures 4, 5 and 6, a support assembly is provided on the outer side of the gas-liquid separator 2, and the support assembly includes a support ring 3 and a plurality of support rods 4. The support ring 3 is provided with a plurality of grooves 31, and the support ring 3 is slidably sleeved on the outer side of the gas-liquid separator 2, and the support rod 4 is connected in the groove 31. The groove 31 can limit the support rod 4 to prevent it from sliding, and the support rod 4 is bent toward the center of the support ring 3. The gas-liquid separator 2 is generally hoisted by a crane, and the gas-liquid separator 2 is inserted into the support ring 3, and the bottom is supported by the support rod 4, so that the gas-liquid separator 2 can be supported. A plurality of threaded holes Ⅰ32 are provided on the support ring 3, and a threaded hole Ⅱ41 is provided on the support rod 4. The threaded hole Ⅰ32 and the threaded hole Ⅱ41 are aligned, and bolts 42 are detachably provided in the threaded hole Ⅰ32 and the threaded hole Ⅱ41. The support rod 4 and the support ring 3 are detachably connected. When one of the support rods 4 is damaged, the bolt 42 can be unscrewed for replacement, and the installation of the support assembly is also more convenient and efficient.

[0029] like Figure 1-6As shown, a driving assembly is provided at one end of the support ring 3, and the driving assembly includes a connecting rod 5 and a connecting seat 6. One end of the connecting rod 5 is connected to the support ring 3, and the connecting rod 5 is slidably connected to the connecting seat 6. A driving member is provided inside the connecting seat 6, and the driving member is a cylinder 51. The other end of the connecting rod 5 is connected to the cylinder 51. When the vapor-liquid separator 2 is placed on the support rod 4, the cylinder 51 is adjusted to extend it, which can drive the connecting rod 5 to slide in the connecting seat 6 and lift the vapor-liquid separator 2. The principle is opposite when lowering. Since there are many sizes of heat exchangers 1 in the factory, this design allows the vapor-liquid separator 2 to adjust its position so that it can be connected to heat exchangers 1 of different sizes, saving costs.

[0030] like Figure 1 , 3 As shown, a collecting cylinder 8 is provided at the bottom of the vapor-liquid separator 2, one end of the collecting cylinder 8 is connected to the outlet II 203, and a liquid flow meter 81 is provided on the collecting cylinder 8. The interior of the collecting cylinder 8 is hollow, and the original aqueous solution is directly discharged from the bottom of the vapor-liquid separator 2. A pipeline needs to be provided during use. Since the separated aqueous solution still has a relatively high temperature and the pipeline is relatively long, the pipeline is prone to damage after a period of use. After the collecting cylinder 8 is provided, not only the flow of the aqueous solution can be detected in time, but also the aqueous solution in the collecting cylinder 8 can be cleaned after a period of time, thereby enhancing the metering efficiency and improving the overall service life.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vapor-liquid separation flow measurement device, comprising a heat exchanger and a vapor-liquid separator, wherein the heat exchanger is provided with an exchange hole I and an exchange hole II, characterized in that: The exchange hole II of the heat exchanger is connected to the vapor-liquid separator, and the vapor-liquid separator is provided with an outlet I and an outlet II. The outlet I is arranged above the vapor-liquid separator, and the outlet II is vertically arranged below the vapor-liquid separator. A steam flow meter is arranged at the outlet I, and a liquid flow meter is arranged at the outlet II. The steam in the vapor-liquid separator is discharged from the outlet I, and the aqueous solution is discharged from the outlet II.

2. A vapor-liquid separation flow measurement device according to claim 1, characterized in that: The vapor-liquid separator is provided with a steam inlet, and the exchange hole II is connected to the steam inlet.

3. A vapor-liquid separation flow measurement device according to claim 1, characterized in that: A support assembly is arranged on the outer side of the gas-liquid separator. The support assembly comprises a support ring. The support ring is slidably sleeved on the outer side of the gas-liquid separator.

4. A vapor-liquid separation flow measurement device according to claim 3, characterized in that: The support assembly also includes a plurality of support rods. The support ring is provided with a plurality of grooves. The support rods are connected in the grooves and are bent toward the center of the support ring.

5. A vapor-liquid separation flow measurement device according to claim 4, characterized in that: The support ring is provided with a plurality of threaded holes I, the support rod is provided with a threaded hole II, the threaded holes I and II are aligned, and bolts are detachably provided in the threaded holes I and II.

6. A vapor-liquid separation flow measurement device according to claim 3, characterized in that: A driving component is provided at one end of the support ring, and the driving component includes a connecting rod and a connecting seat. One end of the connecting rod is connected to the support ring, and the connecting rod is slidably connected to the connecting seat. A driving member is provided inside the connecting seat, and the other end of the connecting rod is connected to the driving member.

7. The vapor-liquid separation flow measurement device according to claim 1, characterized in that: A collecting cylinder is arranged at the bottom of the vapor-liquid separator, one end of the collecting cylinder is connected to the opening II, and the liquid flow meter is arranged on the collecting cylinder.

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