CN212362907U

CN212362907U - Spiral tube shell-and-tube heat exchanger

Info

Publication number: CN212362907U
Application number: CN202020856626.3U
Authority: CN
Inventors: 欧高明; 吴茶平; 黄永福; 刘艳; 刘晶
Original assignee: Hunan Zhongda Mechanical And Electrical Co ltd
Current assignee: Hunan Zhongda Mechanical And Electrical Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-15
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a spiral pipe shell and tube type heat exchanger, including the lagging casing, first water inlet and first delivery port have been seted up respectively to the upper end of lagging casing, the one end intercommunication of first water inlet has first heat conduction water pipe, the one end of first heat conduction water pipe communicates in first delivery port, the internally mounted of lagging casing has the second to lead heat conduction water pipe, the one end intercommunication of second heat conduction water pipe has the second delivery port, the other end of second heat conduction water pipe has the connecting pipe through the connector intercommunication, the second water inlet has been seted up to the one end of connecting pipe. The heat exchanger can prolong the retention time of high-temperature liquid in the second heat-conducting water pipe and improve the heat transfer coefficient.

Description

Spiral tube shell-and-tube heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a spiral pipe shell and tube type heat exchanger.

Background

The heat exchanger is a device for transferring partial heat of hot fluid to cold fluid, also called heat exchanger, the heat exchanger plays an important role in chemical industry, petroleum, power, food and other industrial production, the heat exchanger can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical production, the heat exchanger is widely applied, and at present, two types of spiral tube type heat exchangers and shell-and-tube type heat exchangers are most widely used in the market.

In the prior art, a spiral tube type heat exchanger has a compact structure, the heat transfer area is larger than that of a straight tube, the temperature difference stress is small, but the cleaning in the tube is difficult, a shell-and-tube type heat exchanger is a dividing wall type heat exchanger which takes the wall surface of a tube bundle sealed in a shell as a heat transfer surface, the heat exchanger has a simple structure, a wider circulation section, low heat transfer coefficient and large floor area, and scales are easy to clean. Therefore, we propose a spiral tube shell-and-tube heat exchanger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral pipe shell and tube type heat exchanger, this heat exchanger is through seting up two sets of internal threads that screw thread opposite direction respectively in the inside of connector, the external screw thread has all been seted up on second heat conduction water pipe and the connecting pipe, and all with second heat conduction water pipe and connecting pipe with connector threaded connection, make second heat conduction water pipe convenient to detach and clearance, through the inside fixedly connected with baffling board at second heat conduction water pipe, and be provided with the baffling board and be not less than ten groups, can prolong the dwell time of high temperature liquid in second heat conduction water pipe, improve the heat transfer coefficient, with the problem of proposition in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a spiral pipe shell and tube heat exchanger, includes the lagging casing, first water inlet and first delivery port have been seted up respectively to the upper end of lagging casing, the one end intercommunication of first water inlet has first heat conduction water pipe, the one end of first heat conduction water pipe communicates in first delivery port, first heat conduction water pipe is located the inside of lagging casing, the internally mounted of lagging casing has second heat conduction water pipe, the one end intercommunication of second heat conduction water pipe has the second delivery port, the other end of second heat conduction water pipe has the connecting pipe through the connector intercommunication, the second water inlet has been seted up to the one end of connecting pipe, the lower extreme fixedly connected with backup pad of lagging casing, the lower extreme fixedly connected with fixed plate of backup pad, install expansion bolts on the fixed plate.

Preferably, the first water inlet, the first water outlet, the second heat-conducting water pipe and the connecting pipe are fixedly connected with flange plates, and sealing rings are fixedly mounted on the flange plates.

Preferably, the first heat-conducting water pipe is a spiral water pipe, and the first heat-conducting water pipe surrounds the surface of the second heat-conducting water pipe.

Preferably, the second heat conduction water pipe is fixedly connected with a baffle plate inside, and the baffle plate is provided with not less than ten groups.

Preferably, two sets of internal threads with opposite thread directions are respectively arranged in the connector, external threads are respectively arranged on the second heat-conducting water pipe and the connecting pipe, and the second heat-conducting water pipe and the connecting pipe are both in threaded connection with the connector.

Preferably, the fixing plate is provided with through holes, the expansion bolts are located inside the through holes, and the expansion bolts are arranged on the fixing plate at equal intervals.

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

1. the utility model discloses a set up two sets of internal threads that the screw thread direction is opposite in the inside of connector respectively, all set up the external screw thread on second heat conduction water pipe and the connecting pipe to and all with connector threaded connection second heat conduction water pipe and connecting pipe, make second heat conduction water pipe convenient to detach and clearance;

2. the utility model discloses an at the inside fixedly connected with baffling board of second heat conduction water pipe to and be provided with the baffling board and be not less than ten groups, can prolong the dwell time of high temperature liquid in second heat conduction water pipe, improve coefficient of heat transfer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the thermal insulation casing of the present invention;

FIG. 3 is a schematic view of the internal structure of a second heat-conducting water pipe according to the present invention;

FIG. 4 is a schematic view of the structure of the connection head of the present invention;

fig. 5 is a schematic view of the fixing plate structure of the present invention.

In the figure: the heat-insulation water pipe comprises a heat-insulation shell 1, a first water inlet 2, a first water outlet 3, a first heat-conduction water pipe 4, a second heat-conduction water pipe 5, a connector 6, a connecting pipe 7, a supporting plate 8, a fixing plate 9, an expansion bolt 10, a flange plate 11, a sealing ring 12, a baffle plate 13, an external thread 14, an internal thread 15, a through hole 16, a second water inlet 17 and a second water outlet 18.

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.

Referring to fig. 1-5, the present invention provides a technical solution: the spiral tube shell-and-tube heat exchanger comprises a heat preservation shell 1, wherein the upper end of the heat preservation shell 1 is respectively provided with a first water inlet 2 and a first water outlet 3, one end of the first water inlet 2 is communicated with a first heat-conducting water pipe 4, one end of the first heat-conducting water pipe 4 is communicated with the first water outlet 2, the first heat-conducting water pipe 4 is positioned inside the heat-insulating shell 1, the second heat-conducting water pipe 5 is arranged inside the heat-insulating shell 1, one end of the second heat-conducting water pipe 5 is communicated with a second water outlet 18, the other end of the second heat-conducting water pipe 5 is communicated with a connecting pipe 7 through a connector 6, a second water inlet 17 is arranged at one end of the connecting pipe 7, a supporting plate 8 is fixedly connected at the lower end of the heat-insulating shell 1, the lower end of the supporting plate 8 is fixedly connected with a fixing plate 9, and an expansion bolt 10 is installed on the fixing plate 9.

Specifically, the first water inlet 2, the first water outlet 3, the second heat conduction water pipe 5 and the connecting pipe 7 are all fixedly connected with a flange plate 11, and a sealing ring 12 is fixedly mounted on the flange plate 11. The cold water pipe and the hot water pipe are conveniently communicated on the heat exchanger.

Specifically, the first heat-conducting water pipe 4 is a spiral water pipe, and the first heat-conducting water pipe 4 surrounds the surface of the second heat-conducting water pipe 5. The heat transfer coefficient is convenient to increase, and the expected heat exchange effect is achieved.

Specifically, the second heat conduction water pipe 5 is fixedly connected with a baffle plate 13 inside, and the baffle plate 13 is provided with not less than ten groups. The residence time of the high-temperature liquid in the second heat-conducting water pipe is prolonged conveniently.

Specifically, two sets of internal threads 15 that screw thread opposite direction are seted up respectively to the inside of connector 6, external screw thread 14 has all been seted up on second heat conduction water pipe 5 and the connecting pipe 7, second heat conduction water pipe 5 and connecting pipe 7 all with connector 6 threaded connection. Through connector 6 with connecting pipe 7 and the 5 intercommunications of second heat conduction water pipe, convenient to detach clearance, the life of extension this heat exchanger.

Specifically, a through hole 16 is formed in the fixing plate 9, the expansion bolts 10 are located inside the through hole 16, and the expansion bolts 10 are arranged on the fixing plate 9 at equal intervals. The flower heater is convenient to be installed on the ground.

The working principle is as follows: the utility model discloses a set up two sets of internal threads 15 that screw thread opposite direction respectively in the inside of connector 6, external screw thread 14 has all been seted up on second heat conduction water pipe 5 and connecting pipe 7, and with second heat conduction water pipe 5 and connecting pipe 7 all with connector 6 threaded connection, make second heat conduction water pipe 5 be convenient for dismantle and clear up, through the inside fixedly connected with baffling board 13 at second heat conduction water pipe 5, and be provided with baffling board 13 and be not less than ten groups, can prolong the dwell time of high temperature liquid in second heat conduction water pipe, the coefficient of heat transfer is improved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spiral pipe shell and tube heat exchanger, includes heat preservation shell (1), its characterized in that: the heat insulation shell is characterized in that a first water inlet (2) and a first water outlet (3) are respectively formed in the upper end of the heat insulation shell (1), one end of the first water inlet (2) is communicated with a first heat conduction water pipe (4), one end of the first heat conduction water pipe (4) is communicated with the first water outlet (3), the first heat conduction water pipe (4) is located inside the heat insulation shell (1), a second heat conduction water pipe (5) is installed inside the heat insulation shell (1), one end of the second heat conduction water pipe (5) is communicated with a second water outlet (18), the other end of the second heat conduction water pipe (5) is communicated with a connecting pipe (7) through a connector (6), a second water inlet (17) is formed in one end of the connecting pipe (7), a support plate (8) is fixedly connected to the lower end of the heat insulation shell (1), and a fixing plate (9) is fixedly connected to the lower, and an expansion bolt (10) is arranged on the fixing plate (9).

2. A spiral tube shell and tube heat exchanger as recited in claim 1, wherein: equal fixedly connected with ring flange (11) on first water inlet (2), first delivery port (3), second heat conduction water pipe (5) and connecting pipe (7), fixed mounting has sealing washer (12) on ring flange (11).

3. A spiral tube shell and tube heat exchanger as recited in claim 1, wherein: the first heat-conducting water pipe (4) is arranged to be a spiral water pipe, and the first heat-conducting water pipe (4) surrounds the surface of the second heat-conducting water pipe (5).

4. A spiral tube shell and tube heat exchanger as recited in claim 1, wherein: the interior of the second heat-conducting water pipe (5) is fixedly connected with a baffle plate (13), and the baffle plate (13) is provided with not less than ten groups.

5. A spiral tube shell and tube heat exchanger as recited in claim 1, wherein: two sets of internal threads (15) that screw thread opposite direction are seted up respectively to the inside of connector (6), external screw thread (14) have all been seted up on second heat conduction water pipe (5) and connecting pipe (7), second heat conduction water pipe (5) and connecting pipe (7) all with connector (6) threaded connection.

6. A spiral tube shell and tube heat exchanger as recited in claim 1, wherein: the fixing plate (9) is provided with through holes (16), the expansion bolts (10) are located in the through holes (16), and the expansion bolts (10) are arranged on the fixing plate (9) at equal intervals.