CN216645019U

CN216645019U - Online blowdown shell and tube heat exchanger

Info

Publication number: CN216645019U
Application number: CN202123199877.2U
Authority: CN
Inventors: 肖阳; 蔡福锋; 李鹏
Original assignee: Shandong Feiyang Energy Saving Technology Co ltd
Current assignee: Shandong Feiyang Energy Saving Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-31
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses an online sewage discharge tube type heat exchanger which comprises a sewage discharge part and a heat exchange part, wherein the heat exchange part comprises a heated medium outlet, a rear end tube box, a rear end tube plate, a heating medium inlet, a shell pass cylinder, a tube bundle, a front end tube plate, a front end tube box, a heated water inlet and a heating medium outlet, the sewage discharge part is positioned in the front end tube box, the sewage discharge part comprises a butterfly valve switch, a front end filter screen, a rear end filter screen and a sewage discharge port, the butterfly valve switch is positioned between the front end filter screen and the rear end filter screen, and the sewage discharge port is positioned below the rear end filter screen. The utility model provides a shell and tube heat exchanger is through arranging the scrubbing part in the front end pipe box, and inside impurity got into the tube bank in avoiding using, and then can effectively avoid blockking up the emergence of heat exchange tube phenomenon, and the heat transfer capacity of having guaranteed the heat exchanger is more stable, and the online blowdown of not shutting down can be realized to this scrubbing part, has avoided the tradition to adopt equipment to shut down, has dismantled the mode that the heat exchanger cleared up, does not influence resident's heating.

Description

Online blowdown shell and tube heat exchanger

Technical Field

The utility model relates to the technical field of tubular heat exchangers, in particular to an online pollution discharge tubular heat exchanger.

Background

The tubular heat exchanger is the most common structural form of heat exchange equipment in thermodynamic systems in China at present, and is the most widely applied heat exchanger in the prior art, which completely depends on the advantages of the tubular heat exchanger. The heat exchanger in the form has a firm structure, is easy to manufacture, has high processing capacity and adaptability, has high elasticity in operation, is wide in application range, and can work at high temperature and high pressure.

The shell and tube heat exchanger is composed of a shell, a tube bundle, a front end tube plate, a rear end tube plate, a front end tube box and a rear end tube box, various materials can be utilized in the manufacturing process, the heat transfer area is large, the heat transfer effect is good, the structure is simple, the utilization is very wide, the shell and tube heat exchanger is used, once the blockage occurs, the circulation area is small, the medium is subjected to large resistance in the flowing process, and the energy consumption in the running process is increased. At present, a plurality of heating systems have blockage conditions in use, so that the using effect is influenced, equipment is required to be shut down at last, and the heat exchanger is disassembled to be cleaned, so that heating of residents is influenced.

In order to effectively avoid and reduce the influence caused by the blockage problem in the operation process of the tubular heat exchanger, the tubular heat exchanger needs to be prevented and solved from the aspects of design and cleaning method, the heat transfer capacity of the tubular heat exchanger is effectively improved, and the shutdown frequency of equipment is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an online blowdown shell and tube heat exchanger to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an online blowdown shell and tube heat exchanger comprises a decontamination part and a heat exchange part, wherein the heat exchange part comprises a heated medium outlet, a rear end tube box, a rear end tube plate, a heating medium inlet, a shell pass cylinder, a tube bundle, a front end tube plate, a front end tube box, a heated water inlet and a heating medium outlet, the heating medium inlet and the heating medium outlet are arranged at the diagonal position of the shell pass cylinder, and two ends of the tube bundle are fixed in the shell pass cylinder through the rear end tube plate and the front end tube plate respectively; the rear end tube box is fixed on one side of the rear end tube plate; the front end tube box is fixed on one side of the front end tube plate; the rear end pipe box is communicated with the front end pipe box through a pipe bundle; the scrubbing part is located in the front end pipe box, the scrubbing part includes butterfly valve switch, front end filter screen, rear end filter screen and drain, the butterfly valve switch is located the front end filter screen with between the rear end filter screen, the drain is located the below of rear end filter screen.

Further, the heated medium outlet is located at one side of the rear end tank.

Further, one end of the front end pipe box is provided with a heated medium inlet.

Furthermore, the front end filter screen is arranged by two filter screens at intervals up and down.

Further, the medium is water.

The utility model has the beneficial effects that:

the utility model provides a shell and tube heat exchanger is through arranging the scrubbing part in the front end pipe box, and inside impurity got into the tube bank in avoiding using, and then can effectively avoid blockking up the emergence of heat exchange tube phenomenon, and the heat transfer capacity of having guaranteed the heat exchanger is more stable, and the online blowdown of not shutting down can be realized to this scrubbing part, has avoided the tradition to adopt equipment to shut down, has dismantled the mode that the heat exchanger cleared up, does not influence resident's heating.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention (butterfly valve open state);

FIG. 2 is a schematic view of the overall structure of the device of the present invention (butterfly valve closed state);

in the figure: 1-heated medium outlet, 2-rear tube box, 3-rear tube plate, 4-heated medium inlet, 5-shell pass cylinder, 6-tube bundle, 7-front tube plate, 8-front tube box, 9-butterfly valve switch, 10-valve flap, 11-heated medium inlet, 12-front filter screen, 13-rear filter screen, 14-sewage outlet and 15-heated medium outlet.

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.

Embodiment 1 an online blowdown tubular heat exchanger, the structure of which is shown in fig. 1 and 2, comprises a decontamination part and a heat exchange part, wherein the heat exchange part comprises a heated medium outlet 1, a rear end pipe box 2, a rear end pipe plate 3, a heating medium inlet 4, a shell-side cylinder 5, a pipe bundle 6, a front end pipe plate 7, a front end pipe box 8, a heated medium inlet 11 and a heating medium outlet 15, wherein the heated medium outlet 1 is positioned on one side of the rear end pipe box 2; the heating medium inlet 4 and the heating medium outlet 15 are arranged at the diagonal positions of the shell-side cylinder 5, and two ends of the tube bundle 6 are respectively fixed in the shell-side cylinder 5 through the rear-end tube plate 3 and the front-end tube plate 7; the rear end tube box 2 is fixed on one side of the rear end tube plate 3; the front tube box 8 is fixed on one side of the front tube plate 7; the rear end pipe box 2 is communicated with the front end pipe box 8 through a pipe bundle 6;

the decontamination part is positioned in the front end pipe box 8 and comprises a butterfly valve switch 9, a front end filter screen 12, a rear end filter screen 13 and a sewage outlet 14, the butterfly valve switch 9 is positioned between the front end filter screen 12 and the rear end filter screen 13, and the sewage outlet 14 is positioned below the rear end filter screen 13; one end of the front end tube box 8 is provided with a heated medium inlet 11. The front end filter screen 12 is formed by two filter screens which are arranged at intervals up and down.

The working principle of the online sewage discharging shell and tube heat exchanger provided by the utility model is as follows: heated water enters the front end filter screen 12 and the rear end filter screen 13 in sequence through the heated medium inlet 11, the butterfly valve switch 9 controls the valve clack 10 to be opened and closed, when the valve clack 10 is in a closed state, the heated medium flows from inside to outside in the front end filter screen 12 and flows from outside to inside in the rear end filter screen 13, meanwhile, impurities inside the rear end filter screen 13 are washed, and the impurities are discharged through the sewage discharge outlet 14, so that the non-stop cleaning is realized. When the liquid discharged from the sewage discharge port 14 is transparent and has no impurities, the valve clack 10 is opened by rotating the butterfly valve switch 9, the heated water enters the tube bundle 6 from the front end tube box 8 after being filtered, and enters the heating system from the heated water outlet 1 after passing through the heat exchange to reach the rear end tube box 2, so that the heat exchange of the heated water and the heated water is realized.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An online pollution discharge tube type heat exchanger comprises a decontamination part and a heat exchange part, and is characterized in that the heat exchange part comprises a heated medium outlet (1), a rear end tube box (2), a rear end tube plate (3), a heating medium inlet (4), a shell pass tube body (5), a tube bundle (6), a front end tube plate (7), a front end tube box (8), a heated medium inlet (11) and a heating medium outlet (15), wherein the heating medium inlet (4) and the heating medium outlet (15) are arranged on diagonal positions of the shell pass tube body (5), and two ends of the tube bundle (6) are respectively fixed in the shell pass tube body (5) through the rear end tube plate (3) and the front end tube plate (7); the rear end pipe box (2) is fixed on one side of the rear end pipe plate (3); the front end tube box (8) is fixed on one side of the front end tube plate (7); the rear end pipe box (2) is communicated with the front end pipe box (8) through a pipe bundle (6); the decontamination part is located in the front end pipe box (8), the decontamination part comprises a butterfly valve switch (9), a front end filter screen (12), a rear end filter screen (13) and a sewage discharge opening (14), the butterfly valve switch (9) is located between the front end filter screen (12) and the rear end filter screen (13), and the sewage discharge opening (14) is located below the rear end filter screen (13).

2. An on-line blowdown shell and tube heat exchanger according to claim 1 wherein the heated medium outlet (1) is located at one side of the rear end tube box (2).

3. An on-line blowdown tube type heat exchanger according to claim 1, wherein one end of the front end tube box (8) is provided with a heated medium inlet (11).

4. An on-line blowdown shell and tube heat exchanger as claimed in claim 1, wherein the front end filter screen (12) is formed by two filter screens arranged at an interval from top to bottom.

5. The on-line blowdown shell and tube heat exchanger of claim 1, wherein the medium is water.