CN220541838U - Low pressure heater with single chamber balancing vessel - Google Patents

Abstract

The utility model relates to the technical field of heaters, in particular to a low-pressure heater with a single-chamber balance container. The low-pressure heater is vertically arranged, and the lower part of the low-pressure heater is a heat exchange chamber. The heat exchange chamber is connected with the single-chamber balance container and the differential pressure transmitter through pipelines, and the single-chamber balance container is connected with the differential pressure transmitter through pipelines. The device is characterized in that the section of pipeline between the heat exchange chamber and the single-chamber balance container and the section of pipeline between the single-chamber balance container and the differential pressure transmitter are equally divided into two sections, and joints are arranged at the joints of the two sections of pipelines so as to quickly detach the single-chamber balance container from the pipeline. The process of overhauling the single-chamber balance container by the heater is simple and convenient, and the working efficiency is higher.

Description

Low pressure heater with single chamber balancing vessel

Technical Field

The utility model relates to the technical field of heaters, in particular to a low-pressure heater with a single-chamber balance container.

Background

The low-pressure heater, as the name implies, is a low-pressure heating device, which mostly adopts a tube array type heating structure. The purpose of providing a single-chamber balancing container on the low-pressure heater is to facilitate detection of the liquid level in the heating chamber of the low-pressure heater.

At present, a traditional low-pressure heater with a single-chamber balance container comprises a low-pressure heater, the single-chamber balance container and a differential pressure transmitter, wherein the low-pressure heater is vertically arranged, and a heat exchange chamber is arranged at the lower part of the low-pressure heater. The heat exchange chamber is connected with the single-chamber balance container through a pipeline and is connected with the differential pressure transmitter, and the single-chamber balance container is connected with the differential pressure transmitter through a pipeline. When the single-chamber balance container needs to be overhauled, the single-chamber balance container can be taken down for overhauling only by cutting the pipe body, and after the overhauling is finished, the low-pressure heater is installed at the corresponding position in a welding mode, so that the working process is complex and the efficiency is lower.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a low-pressure heater with a single-chamber balance container, which has simple and convenient process of overhauling the single-chamber balance container and higher working efficiency.

In order to solve the problems, the following technical scheme is provided:

the low-pressure heater with the single-chamber balance container comprises a low-pressure heater, the single-chamber balance container and a differential pressure transmitter, wherein the low-pressure heater is vertically arranged, and a heat exchange chamber is arranged at the lower part of the low-pressure heater. The heat exchange chamber is connected with the single-chamber balance container and the differential pressure transmitter through pipelines, and the single-chamber balance container is connected with the differential pressure transmitter through pipelines. The device is characterized in that the section of pipeline between the heat exchange chamber and the single-chamber balance container and the section of pipeline between the single-chamber balance container and the differential pressure transmitter are equally divided into two sections, and joints are arranged at the joints of the two sections of pipelines so as to quickly detach the single-chamber balance container from the pipeline.

Wherein, connect including two semicircular fastener, be the symmetry setting between two fastener, all have adapting unit between the corresponding tip of two fastener, the inner wall of fastener all has the draw-in groove, and the both ends of draw-in groove are located respectively on two terminal surfaces of fastener for the draw-in groove both ends all are uncovered form, under the state of use, adapting unit fixes two fastener and is the ring form cover on the continuous end of corresponding pipeline, and annular boss is located the draw-in groove.

The connecting part comprises a first protruding part positioned at one group of corresponding ends of the two clamping pieces, and the two first protruding parts are hinged together; the other group of two clamping pieces is provided with a second bulge at the corresponding end, one second bulge is hinged with a lock tongue, the other second bulge corresponding to the lock tongue is provided with a locking notch, the outer end of the lock tongue is provided with an external thread, and the lock tongue is sleeved with a nut.

And a standby interface is arranged on the side wall of the heat exchange chamber.

By adopting the scheme, the method has the following advantages:

because the section of pipeline between the heat exchange chamber of the low-pressure heater with the single-chamber balance container and the section of pipeline between the single-chamber balance container and the differential pressure transmitter are equally divided into two sections, joints are arranged at the joints of the two sections of pipelines, so that the single-chamber balance container can be quickly removed from the pipeline. When the maintenance is needed, the pipe body can be separated by loosening the joint, so that the maintenance of the single-chamber balance container is taken down. After the overhaul is completed, the corresponding pipelines are connected and butted, and the installation of the single-chamber balance container can be realized by pressing the upper joint.

Drawings

FIG. 1 is a schematic view of the structure of a low pressure heater with a single chamber balance vessel of the present utility model;

FIG. 2 is a schematic view of the structure of the joint in the low-pressure heater with single-chamber balancing container of the present utility model;

fig. 3 is a schematic diagram of the connection of the pipe to the fitting in the low pressure heater with single chamber balancing vessel of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to figures 1-3 and examples.

As shown in fig. 1, the low-pressure heater with the single-chamber balance container comprises a low-pressure heater 1, the single-chamber balance container 4 and a differential pressure transmitter 6, wherein the low-pressure heater 1 is a tube type heater which is vertically arranged, one side of the upper part of the low-pressure heater 1 is a cold medium inlet chamber, one side of the upper part of the low-pressure heater 1 is a cold medium outlet chamber, the lower part of the low-pressure heater 1 is a heat exchange chamber 101, a heat exchange tube is arranged between the cold medium inlet chamber and the cold medium outlet chamber, the tube body of the heat exchange tube is positioned in the heat exchange chamber 101, and a steam inlet and a steam outlet are arranged on the heat exchange chamber 101. A spare port is arranged on the side wall of the heat exchange chamber 101. The specific structure of the tube array heater belongs to the prior art and is not described in detail here.

As shown in fig. 1, a first interface 3 is arranged on the side wall below the lowest liquid level of the heat exchange chamber 101, a second interface 2 is arranged on the side wall above the highest liquid level of the heat exchange chamber 101, the first interface 3 is connected with a differential pressure transmitter 6 through a pipeline, and the second interface 2 is connected with a single-chamber balance container 4 through a pipeline. The single-chamber balancing container 4 is connected with a differential pressure transmitter 6 through a pipeline. The single-chamber balance container 4 utilizes differential pressure signals formed by the positive pressure side and the negative pressure side of the heat exchange chamber 101 to a transmitter, the transmitter transmits the signals to the DCS for carrying out public calculation, and finally, the water level measurement is realized, and the specific working principle belongs to the prior art and is not repeated here.

As shown in fig. 2 and 3, the section of the pipeline between the second connector 2 and the single-chamber balance container 4 and the section of the pipeline between the single-chamber balance container 4 and the differential pressure transmitter 6 are divided into two sections, and joints 5 are arranged at the joints of the two sections of the pipeline so as to quickly detach the single-chamber balance container 4 from the pipeline. The joint 5 comprises two semicircular clamping pieces 501, the two clamping pieces 501 are symmetrically arranged, connecting parts are arranged between the corresponding end parts of the two clamping pieces 501, clamping grooves 507 are formed in the inner walls of the clamping pieces 501, two ends of each clamping groove 507 are respectively located on two end faces of the clamping piece 501, the two ends of each clamping groove 507 are open, the connecting parts are fixedly sleeved on the connecting ends of the corresponding pipelines in a circular ring shape under the use state, and the annular boss is located in each clamping groove 507. The connecting member has first protrusions 506 at a set of corresponding ends of the two clips 501, the two first protrusions 506 being hinged together. The other group of two clamping pieces 501 are provided with second protruding parts at corresponding ends, one of the second protruding parts is hinged with a lock tongue 504, the other second protruding part corresponding to the lock tongue 504 is provided with a locking opening 507, the outer end of the lock tongue 504 is provided with external threads, and the lock tongue 504 is sleeved with a nut 505.

When maintenance is needed, the nut 505 is screwed, the second protrusion part of the nut 505 principle is outwards reacted with the locking opening 507, the lock tongue 504 is separated from the locking opening 507, and the two clamping pieces 501 are loosened, so that the joint 5 can be removed, and the joint is reciprocated, and the other joint is removed, so that the single-chamber balance container 4 can be removed for maintenance.

After the overhaul is completed, the single-chamber balance container 4 is installed at a corresponding position, the connecting parts of the corresponding pipelines are butted, the connecting parts of the pipelines are covered by the two clamping pieces 501, as shown in fig. 3, the two clamping pieces 501 are closed, the lock tongue 504 passes through the lock catch, the nut 505 is screwed, the reciprocating operation is realized, and the installation of the single-chamber balance container 4 can be realized by installing the two joints 5.

Claims (4)

1. The low-pressure heater with the single-chamber balance container comprises a low-pressure heater (1), the single-chamber balance container (4) and a differential pressure transmitter (6), wherein the low-pressure heater (1) is vertically arranged, and a heat exchange chamber (101) is arranged at the lower part of the low-pressure heater (1); the heat exchange chamber (101) is connected with the single-chamber balance container (4) and the differential pressure transmitter (6) through a pipeline, and the single-chamber balance container (4) is connected with the differential pressure transmitter (6) through a pipeline; the device is characterized in that the section of pipeline between the heat exchange chamber (101) and the single-chamber balance container (4) and the section of pipeline between the single-chamber balance container (4) and the differential pressure transmitter (6) are equally divided into two sections, and joints (5) are arranged at the joints of the two sections of pipelines so as to quickly detach the single-chamber balance container (4) from the pipeline.

2. The low-pressure heater with the single-chamber balance container according to claim 1, wherein the connector (5) comprises two semicircular clamping pieces (501), the two clamping pieces (501) are symmetrically arranged, connecting parts are arranged between the corresponding end parts of the two clamping pieces (501), clamping grooves (507) are formed in the inner walls of the clamping pieces (501), two ends of the clamping grooves (507) are respectively arranged on two end faces of the clamping pieces (501), two ends of the clamping grooves (507) are open, in a use state, the two clamping pieces (501) are fixed to be sleeved on the connecting ends of corresponding pipelines in a circular ring shape by the connecting parts, and the circular boss is arranged in the clamping grooves (507).

3. The low pressure heater with single chamber balancing container according to claim 2, wherein said connecting part comprises a first protrusion (506) at a set of corresponding ends of two clips (501), the two first protrusions (506) being hinged together; the other group of two clamping pieces (501) is provided with second protruding parts at corresponding ends, one of the second protruding parts is hinged with a lock tongue (504), the other second protruding part corresponding to the lock tongue (504) is hinged with a lock tongue (504), the outer end of the lock tongue (504) is provided with external threads, and a nut (505) is sleeved on the lock tongue.

4. A low pressure heater with a single chamber balancing vessel according to any of claims 1-3, characterized in that a back-up interface is provided on the side wall of the heat exchange chamber (101).