CN215930593U - Heating network heater - Google Patents

Abstract

The utility model provides a heat supply network heater, belong to electric power auxiliary engine technical field, including preceding hydroecium, a housing, back hydroecium and sparse hydroecium, a serial communication port, preceding hydroecium upper portion is equipped with the export of being heated, department is equipped with horizontal baffle in the middle of the inside of preceding hydroecium, preceding hydroecium bottom is equipped with vortex disturbance device, be equipped with on the vortex disturbance device and heated the water import, be equipped with a set of steam inlet on the casing, the casing right side is connected with the back hydroecium through flange two, back hydroecium upper portion is equipped with back hydroecium gas vent, back hydroecium lower part is equipped with puts clean mouthful, the casing bottom is connected with the hydrophobic hydroecium through flange three, it is many to have solved general heat supply network heater and has washd the number of times, the problem that heating efficiency is low, mainly used in the aspect of heat supply network system.

Description

Heating network heater

Technical Field

The utility model relates to the technical field of electric auxiliary machines, in particular to a heating network heater.

Background

The heat supply network heater is a key device of a heat supply network system, is one of main devices of a thermal power plant, and has the main function of heating heat supply network water to a required water supply temperature by using extraction steam of a steam turbine or steam (heating medium) led from a boiler. The heat supply network heater is a key device of a heat supply network system and is one of main devices of a thermal power plant, and circulating water in a hot water supply system meets the requirements of heat supply users, so that the combined heat and power generation is realized. The steam-water heating network heater applied to urban heat supply at present mainly comprises: the shell-and-tube type heating network heaters and the all-welded plate type heating network heaters. Wherein: the shell-and-tube heat supply network heater is limited by the structure, the steam flow rate at the steam inlet is higher, the heat exchange tubes enter the tube bundle at the periphery of the tube plate and the tube bundle for condensation heat exchange, in order to enable the steam to effectively enter the tube bundle, the heat exchange tubes of the tube plate are also required to be provided with steam channels so as to relieve the problem of insufficient heat exchange at the center of the tube bundle, and the tube distribution area (diameter) of the tube plate is also required to be increased. And the all-welded plate heat exchanger, steam is along the even entering plate bundle of plate bundle edge and condense the heat transfer, it is even abundant to exchange heat, and compact structure, but it is inconvenient to maintain, the water quality requirement of the circulating water is not high. The heat supply network heater on the existing market rivers are mild when being heated hot water entering water inlet, it is not obvious to the scale deposit in the long-time tube bank erode, can increase the washing number of times to the tube bank, reduce production efficiency, and traditional steam inlet often the steam velocity of flow is big, the diffusion face of steam is inhomogeneous on the one hand, long-time horizontal impact force to the tube bank is great on the one hand, influence the life of tube bank, and the steam condensate water of shell side does not have fine collection, long-time gathering can produce the corruption to the casing in the casing.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems mentioned in the background art, the utility model provides a heat supply network heater, which adopts the following technical scheme:

the utility model provides a heat supply network heater, includes preceding hydroecium, casing, back hydroecium and dredges the hydroecium, its characterized in that: the upper part of the front water chamber is provided with a heated water outlet, heated water bypasses the shell and flows out from the heated water outlet after heat exchange is completed through a tube pass, the middle part in the front water chamber is provided with a transverse baffle which divides the front water chamber into an upper space and a lower space which are sealed and have the same size from top to bottom, the bottom of the front water chamber is provided with a vortex disturbing device which can lead the fluid to generate stronger scouring effect, reduce the scaling probability of the tube bundle and reduce the cleaning times, the vortex disturbing device is provided with a heated water inlet for guiding the water to be heated into the heated water inlet, the front water chamber is connected with the tube plate through a flange I, the tube plate is provided with a tube plate reserved channel, the tube plate is provided with a group of tube holes, so that steam can continuously and stably pass through the tube bundle, the sufficient contact of the steam and the tube bundle is ensured, and the heat exchange efficiency is improved. The tube plate is connected with a group of tube bundles, the tube plate also plays a role in positioning and supporting the tube bundles, the shell is provided with a group of steam inlets, steam extracted by a steam turbine or steam led from a boiler is input into the steam inlets, the steam inlets are internally provided with steam dispersing devices which can effectively disperse direct-current steam into the shell to avoid uneven dispersion of the steam flowing into the shell, the dispersing surface is small, so that the heat exchange effect of the tube bundles is poor, a baffle is arranged under the group of steam inlets to not only increase the dispersion of the steam, but also effectively buffer the direct current of the steam, the shell is provided with a safety valve interface, when the pressure in the shell is overlarge, a safety valve can be opened to release the pressure in a proper amount, the right side of the safety valve interface is provided with a third pressure gauge interface which can monitor the gas pressure in the shell in real time and release the pressure in time, and the right side of the third pressure gauge interface is provided with a third temperature gauge interface, the temperature in the shell can be monitored in real time so as to control the heat exchange temperature, the three right sides of the thermometer interface are provided with shell pass exhaust ports, redundant gas after the shell pass can be exhausted, the shell is internally provided with a group of segmental supporting plates, the segmental supporting plates are provided with a group of through holes, the tube bundle is supported and positioned, meanwhile, the circular notches can ensure that the steam circulation is not blocked, the group of tube bundles penetrate the segmental supporting plates, the right side of the shell is connected with the rear water chamber through a second flange, the rear water chamber plays a role in storing steam, the upper part of the rear water chamber is provided with the rear exhaust port, the redundant steam in the rear water chamber can be exhausted, the lower part of the rear water chamber is provided with a drain port, condensed water in the rear water chamber can be exhausted through the drain port, the bottom of the shell is connected with the drain chamber through a third flange, and the drain chamber mainly collects the condensed water on the shell and the tube bundle, prevent that the condensate from causing the corruption to the casing in the casing cohesion, the hydrophobic room left and right sides all be equipped with and wash the pipeline, when needs wash hydrophobic room, can let in the sparge water, hydrophobic indoor be equipped with and prevent the vortex device, make the level of condensing steadily discharge, prevent that vortex device and hydrophobic row of being connected, can discharge the condensate in the hydrophobic room.

Preferably: the front water chamber is provided with a pressure gauge interface I and a pressure gauge interface II which can be respectively connected with a pressure gauge.

Preferably: and a first thermometer interface and a second thermometer interface are arranged on the front water chamber and can be respectively connected with a thermometer.

Preferably: the drainage chamber is provided with a manhole, so that people can conveniently enter the drainage chamber for maintenance.

Preferably: the bottom of the shell is provided with a group of supporting legs which support the shell.

Preferably: the steam inlet is two, and two steam inlets simultaneously feed steam, so that the steam heat exchange effect is better.

The utility model has the following advantages: the utility model solves the problems of more cleaning times and low heating efficiency of the common heat supply network heater through the eddy disturbance device, the steam dispersion device and the impingement baffle; the eddy disturbance device enhances the scouring effect of fluid, reduces the scaling probability of the tube bundle, and the steam dispersion device and the impingement baffle can ensure that the steam and the tube bundle are fully contacted to improve the heat exchange efficiency. The utility model is safe in work and is suitable for a heat supply network system.

Drawings

FIG. 1 is a view of the internal structure of a heating network heater according to the present invention;

FIG. 2 is a cross baffle structure of a heating network heater according to the present invention;

FIG. 3 is a tube sheet construction of a heat network heater of the present invention;

fig. 4 is a view showing a structure of a circular-segment type supporting plate of a heating net heater according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-4:

the utility model provides a heat supply network heater, includes preceding hydroecium 1, casing 10, back hydroecium 19 and hydrophobic room 23, its characterized in that: the upper part of the front water chamber 1 is provided with a heated water outlet 2, the middle part inside the front water chamber 1 is provided with a transverse baffle 3, the bottom of the front water chamber 1 is provided with a vortex disturbance device 4, the vortex disturbance device 4 is provided with a heated water inlet 5, the front water chamber 1 is connected with a tube plate 7 through a flange I6, the tube plate 7 is provided with a tube plate reserved channel 8, the tube plate is provided with a group of tube holes 34, the tube plate 7 is connected with a group of tube bundles 9, the shell 10 is provided with a group of steam inlets 11, the steam inlets 11 are internally provided with a steam dispersion device 12, a baffle 33 is arranged right below the group of steam inlets 11, the shell 10 is provided with a safety valve interface 13, the right side of the safety valve interface 13 is provided with a pressure gauge interface III 14, and the right side of the pressure gauge interface III 14 is provided with a temperature gauge interface III 15, thermometer interface three 15 right sides be equipped with shell side gas vent 16, casing 10 in be equipped with a set of segmental type backup pad 1, segmental type backup pad (17) on be equipped with a set of through-hole 35, a set of tube bank 9 pass segmental type backup pad 17, casing 10 right side pass through flange two 18 and be connected with back hydroecium 19, 19 upper portions of back hydroecium be equipped with back hydroecium gas vent 20, 19 lower parts of back hydroecium be equipped with put clean mouth 21, casing 10 bottom pass through flange three 22 and be connected with hydrophobic room 23, hydrophobic room 23 left and right sides all be equipped with washing pipeline 24, hydrophobic room 23 in be equipped with anti-vortex device 25, anti-vortex device 25 be connected with hydrophobic row of mouth 26.

The working principle of the utility model is as follows:

heated water is led into a heated water inlet 5, a front water chamber 1 is divided into an upper space structure and a lower space structure which are the same in size and are respectively sealed by a transverse baffle 3, the heated water passes through a vortex disturbance device 4 to enhance the flushing effect of the heated water, the heated water enters into the lower space of the front water chamber 1, a tube plate 7 is connected with a tube bundle 9, the tube plate 7 plays a supporting and limiting role on the tube bundle 9, the heated water enters into the tube bundle 9, meanwhile, steam introduced by a boiler or a steam turbine enters into a group of steam inlets 11, the steam passes through a steam dispersion device 12 to slow down the direct-current impact force of the steam, meanwhile, the steam is dispersed into a shell 10 to enable the steam to be uniformly dispersed and have a larger diffusion surface, the heat exchange effect of the steam on the heated water in the group of tube bundles 9 is enhanced, meanwhile, the direct-current steam rushes into an anti-impact plate 33 to perform secondary buffering on the direct-current steam, and simultaneously secondarily disperse the steam to enable the steam to be more uniformly dispersed, the impact on a group of tube bundles 9 is also relieved, when the pressure gauge on the pressure gauge interface III 14 monitors that the pressure in the shell 10 is overlarge, a proper amount of steam can be discharged through the shell pass exhaust port 16, when the group of tube bundles 9 in the shell 10 are broken to cause heated water to flow into the shell 10, the safety valve on the safety valve interface 13 can be opened to discharge, redundant steam in the shell 10 can be temporarily stored in the rear water chamber 19, the steam can be discharged through the rear water chamber exhaust port 20, the condensed water in the rear water chamber 19 can be discharged through the discharge port 21, the condensed water on the inner wall of the shell 10 and the outer wall of the group of tube bundles 9 can flow into the drain water chamber 23, the anti-vortex device 25 is arranged in the drain water chamber 23, and the condensed water can be smoothly discharged through the drain port 26.

The utility model can be applied to a heat supply network system, is simple to operate, is convenient to use and is suitable for comprehensive popularization and application. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a heat supply network heater, includes preceding hydroecium (1), casing (10), back hydroecium (19) and hydrophobic room (23), its characterized in that: the water heater is characterized in that a heated water outlet (2) is arranged at the upper part of the front water chamber (1), a transverse baffle (3) is arranged in the middle of the interior of the front water chamber (1), a vortex disturbance device (4) is arranged at the bottom of the front water chamber (1), a heated water inlet (5) is arranged on the vortex disturbance device (4), the front water chamber (1) is connected with a tube plate (7) through a flange I (6), a tube plate reserved channel (8) is arranged on the tube plate (7), a group of tube holes (34) are arranged on the tube plate, the tube plate (7) is connected with a group of tube bundles (9), a group of steam inlets (11) are arranged on the shell (10), a steam dispersion device (12) is arranged in the steam inlets (11), a baffle plate (33) is arranged under the group of steam inlets (11), and a safety valve interface (13) is arranged on the shell (10), the safety valve is characterized in that a pressure gauge connector III (14), a thermometer connector III (15) and a shell pass exhaust port (16) are sequentially arranged on the right side of the safety valve connector (13), a group of segmental supporting plates (17) are arranged in the shell (10), a group of through holes (35) are formed in the segmental supporting plates (17), the group of tube bundles (9) penetrate through the segmental supporting plates (17), the right side of the shell (10) is connected with the rear water chamber (19) through a flange II (18), a rear water chamber exhaust port (20) is formed in the upper portion of the rear water chamber (19), a drain port (21) is formed in the lower portion of the rear water chamber (19), the bottom of the shell (10) is connected with the drain chamber (23) through a flange III (22), flushing pipelines (24) are arranged on the left side and the right side of the drain chamber (23), and an anti-vortex device (25) is arranged in the drain chamber (23), the vortex preventing device (25) is connected with the drainage outlet (26).

2. A heating network heater as claimed in claim 1, wherein: and a first pressure gauge connector (27) and a second pressure gauge connector (28) are arranged on the front water chamber (1).

3. A heating network heater as claimed in claim 1, wherein: and a first thermometer interface (29) and a second thermometer interface (30) are arranged on the front water chamber (1).

4. A heating network heater as claimed in claim 1, wherein: and a manhole (31) is arranged on the water draining chamber (23).

5. A heating network heater as claimed in claim 1, wherein: a group of supporting legs (32) are arranged at the bottom of the shell (10).

6. A heating network heater as claimed in claim 1, wherein: the number of the steam inlets (11) is two or more.

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