CN217785910U

CN217785910U - Tube floating head type sludge cooling heat exchanger

Info

Publication number: CN217785910U
Application number: CN202222287564.0U
Authority: CN
Inventors: 徐德成; 吴辉
Original assignee: Beijing Dayuan Environmental Protection Technology Co ltd
Current assignee: Beijing Dayuan Environmental Protection Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-11
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to a indirect heating equipment technical field specifically is a tube nest floating head formula mud cooling heat exchanger, which comprises a tank body, the one end outside of the jar body is connected with the feed inlet, the other end outside of the jar body is connected with the discharge gate, the cooling water import is installed to top one side of the jar body, the cooling water export is installed to the top opposite side of the jar body, the internally mounted of the jar body has a plurality of heat exchange tubes, the vertical a plurality of baffling boards of installing in inside of the jar body, tube sheet and top cap are installed respectively to the inside both ends of the jar body, the tube sheet passes through flange joint with the inner wall of the jar body, top cap and jar body do not throw out of gear, a plurality of through-holes have all been seted up on the surface of top cap and tube sheet, the both ends and the through-hole sliding connection of a plurality of heat exchange tubes. In the tube array floating head type sludge cooling heat exchanger, the tube bundle of the heat exchange tube can be pulled out through the design of the top cover so as to be convenient to clean; the expansion of the tube bundle is not restricted by the tank body, so when the temperature difference between two heat exchanger media is large, temperature difference stress cannot be generated due to the difference of thermal expansion amounts of the tube bundle and the tank body.

Description

Tube floating head type sludge cooling heat exchanger

Technical Field

The utility model relates to a indirect heating equipment technical field, specifically speaking relates to a shell and tube floats hair style mud cooling heat exchanger.

Background

Generally, the sludge of the municipal sewage plant refers to solid, semi-solid and liquid wastes generated by sewage treatment, and the sludge yield of the sewage plant is greatly increased along with the popularization of sewage treatment facilities, the improvement of treatment rate and the deepening of treatment degree. The stabilization and dehydration of sludge in sewage plants are called sludge treatment, the stabilization treatment of sludge has aerobic stabilization and anaerobic stabilization, the aerobic stabilization has high energy consumption, and the sludge is only used when the sludge amount is small. The anaerobic stabilization treatment of the sludge is generally used as a mode adopted by large-scale sewage plants, and the sludge heat exchanger is a key device for cooling or heating the sludge in the anaerobic sludge process and plays a crucial role in controlling the temperature of an anaerobic system. Sludge and water realize the heat exchange through dividing the wall type heat transfer mode, use the most extensively at present muddy water heat exchanger.

The traditional shell-and-tube fixed tube-plate type sludge cooling heat exchanger has the advantages of simple and compact structure and low manufacturing cost, but the outside of the tube cannot be mechanically cleaned. Typically a series of baffles perpendicular to the tube bundle are placed outside the tubes. At the same time, the connection between the tubes and the tube plate and the shell is rigid, and the two fluids with different temperatures are arranged outside the tubes. Therefore, when the temperature difference between the tube wall and the shell wall is large, the thermal expansion difference between the two causes large temperature difference stress, so that the tube is twisted or loosened from the tube plate, and even the heat exchanger is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell and tube floats hair style mud cooling heat exchanger to solve the problem that proposes in the above-mentioned background art.

In order to realize the above purpose, the utility model provides a tube floating head formula mud cooling heat exchanger, which comprises a tank body, the one end outside of the jar body is connected with the feed inlet, the other end outside of the jar body is connected with the discharge gate, the cooling water inlet is installed to top one side of the jar body, the cooling water export is installed to the top opposite side of the jar body, the internally mounted of the jar body has a plurality of heat exchange tubes, the vertical a plurality of baffling boards of installing in inside of the jar body, tube sheet and top cap are installed respectively at the inside both ends of the jar body, the tube sheet passes through flange joint with the inner wall of the jar body, the top cap is disconnected from the oil tank body, a plurality of through-holes, a plurality of are all seted up on the surface of top cap and tube sheet the both ends and the through-hole sliding connection of heat exchange tube.

Preferably, the bottom of the tank body is provided with a support.

Preferably, the two ends of the tank body are provided with end sockets through flanges, the joint of the end sockets and the tank body is provided with a gasket, and the flanges are locked and fixed through bolts and nuts.

Preferably, the bottom of the tank body is provided with a first sewage draining port, a second sewage draining port and a third sewage draining port at equal intervals.

Preferably, the top of the two ends of the tank body is provided with a first exhaust port and a second exhaust port.

Preferably, the bottom surface of the interior of the tank body is horizontally provided with a pull rod, and two ends of the pull rod are respectively connected with the tube plate and the top cover through bolts.

Preferably, the heat exchange tubes are horizontally arranged at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

in the tube array floating head type sludge cooling heat exchanger, the tube bundle of the heat exchange tube can be pulled out through the design of the top cover so as to be convenient to clean; in addition, the expansion of the tube bundle is not restricted by the tank body, so when the temperature difference between two heat exchanger media is large, temperature difference stress cannot be generated due to the difference of thermal expansion amounts of the tube bundle and the tank body.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a schematic side view of the present invention.

The various reference numbers in the figures mean:

1. a feed inlet; 2. a first exhaust port; 3. a flange; 4. a gasket; 5. a cooling water outlet; 6. a heat exchange tube; 7. a cooling water inlet; 8. a second exhaust port; 9. a first drain port; 10. a baffle plate; 11. a pull rod; 12. a second sewage draining outlet; 13. a tank body; 14. a support; 15. a third sewage draining outlet; 16. sealing the end; 17. a discharge port; 18. a bolt; 19. a nut; 20. a tube sheet; 21. a top cover; 221. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the definitions of "first", "second" and "third" features may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a tube nest floating head type sludge cooling heat exchanger, as shown in figures 1-3, comprising a tank body 13, wherein the outer side of one end of the tank body 13 is connected with a feed inlet 1 for sludge to enter, the outer side of the other end of the tank body 13 is connected with a discharge outlet 17 for sludge to discharge, one side of the top of the tank body 13 is provided with a cooling water inlet 7 for the entry of cooling water for heat exchange, and the other side of the top of the tank body 13 is provided with a cooling water outlet 5 for the discharge of cooling water after heat exchange;

a plurality of heat exchange tubes 6 are arranged in the tank body 13 and used for water to flow inside and exchange heat with external sludge, and a plurality of baffle plates 10 are vertically arranged in the tank body 13 and used for baffling the sludge and increasing the stroke of the sludge so as to ensure that the sludge can be fully exchanged heat;

the two ends in the tank body 13 are respectively provided with a tube plate 20 and a top cover 21, the tube plate 20 is connected with the inner wall of the tank body 13 through a flange, the top cover 21 is not connected with the tank body 13, the surfaces of the top cover 21 and the tube plate 20 are respectively provided with a plurality of through holes 211, and the two ends of a plurality of heat exchange tubes 6 are in sliding connection with the through holes 211, so that the tube bundles of the heat exchange tubes 6 can be pulled out for cleaning;

in addition, the expansion of the tube bundle is not restricted by the tank body 13, so when the temperature difference of two heat exchange media is large, the temperature difference stress caused by the difference of the thermal expansion amounts of the tube bundle and the tank body 13 can not be generated.

In this embodiment, a support 14 is installed at the bottom of the tank 13 for supporting and fixing the bottom of the tank 13.

Specifically, the two ends of the tank body 13 are provided with end sockets 16 through flanges 3, the joint of the end sockets 16 and the tank body 13 is provided with a gasket 4, and the flanges 3 are locked and fixed through bolts 18 and nuts 19, so that the end sockets 16 can be conveniently mounted and dismounted.

Furthermore, the bottom of the tank body 13 is provided with a first sewage draining port 9, a second sewage draining port 12 and a third sewage draining port 15 at equal intervals, so that the sludge can be conveniently and timely cleaned when being blocked.

Furthermore, first exhaust port 2 and second exhaust port 8 are installed at the both ends top of jar body 13, are convenient for exhaust, guarantee that internal pressure is balanced.

Furthermore, a pull rod 11 is horizontally arranged on the bottom surface inside the tank body 13, and two ends of the pull rod 11 are respectively connected with the tube plate 20 and the top cover 21 through bolts, so that the tube plate 20 and the top cover 21 can be conveniently connected and limited, and the movement of the tube plate 20 and the top cover 21 can be avoided.

Further, the heat exchange tubes 6 are arranged horizontally at equal intervals, so that uniform heat exchange is guaranteed.

The utility model discloses a tube floating head formula mud cooling heat exchanger is when using, at first let in the mud that needs to carry out the heat transfer with the outside from feed inlet 1, the filth gets into jar body 13 in, mud is carried through the inside of heat exchange tube 6, at this moment, external cooling water gets into from cooling water import 7, get into jar body 1's inside, with the outer wall contact of heat exchange tube 6, the cooling water carries out the heat exchange with mud, guarantee that mud cools down, the cooling water through the heat transfer is discharged from cooling water export 5, mud through the cooling is discharged from discharge gate 17.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shell and tube floating head formula sludge cooling heat exchanger, includes a jar body (13), its characterized in that: the utility model discloses a cooling water tank, including the jar body (13), the one end outside of the jar body (13) is connected with feed inlet (1), the other end outside of the jar body (13) is connected with discharge gate (17), cooling water inlet (7) are installed to the top one side of the jar body (13), cooling water outlet (5) are installed to the top opposite side of the jar body (13), the internally mounted of the jar body (13) has a plurality of heat exchange tubes (6), a plurality of baffling boards (10) are vertically installed to the inside of the jar body (13), tube sheet (20) and top cap (21) are installed respectively to the inside both ends of the jar body (13), flange joint is passed through with the inner wall of the jar body (13) in tube sheet (20), top cap (21) and jar body (13) do not connect with each other, a plurality of through-hole (211), a plurality of heat exchange tubes (6) both ends and through-hole (211) sliding connection have all been seted up on the surface of top cap (21) and tube sheet (20).

2. The tube floating head type sludge cooling heat exchanger according to claim 1, characterized in that: and a support (14) is arranged at the bottom of the tank body (13).

3. The tube floating head type sludge cooling heat exchanger according to claim 1, characterized in that: the sealing head (16) is installed at the two ends of the tank body (13) through the flanges (3), the gasket (4) is installed at the joint of the sealing head (16) and the tank body (13), and the flanges (3) are locked and fixed through bolts (18) and nuts (19).

4. The tube-nest floating-head type sludge cooling heat exchanger of claim 1, which is characterized in that: the bottom of the tank body (13) is provided with a first sewage draining port (9), a second sewage draining port (12) and a third sewage draining port (15) at equal intervals.

5. The tube floating head type sludge cooling heat exchanger according to claim 1, characterized in that: and a first exhaust port (2) and a second exhaust port (8) are installed at the tops of the two ends of the tank body (13).

6. The tube floating head type sludge cooling heat exchanger according to claim 1, characterized in that: the inner bottom surface of the tank body (13) is horizontally provided with a pull rod (11), and two ends of the pull rod (11) are respectively connected with the tube plate (20) and the top cover (21) through bolts.

7. The tube floating head type sludge cooling heat exchanger according to claim 1, characterized in that: the heat exchange tubes (6) are horizontally arranged at equal intervals.