CN203550690U

CN203550690U - Multifunctional heat exchanger

Info

Publication number: CN203550690U
Application number: CN201320708554.8U
Authority: CN
Inventors: 孙德平; 唐向兵; 王凤兰; 汤亮; 叶方平; 刘志昌
Original assignee: WUHAN DANYAXIANG TECHNOLOGY DEVELOPMENT Co Ltd; China Tobacco Hunan Industrial Co Ltd
Current assignee: WUHAN DANYAXIANG TECHNOLOGY DEVELOPMENT Co Ltd; China Tobacco Hunan Industrial Co Ltd
Priority date: 2013-11-11
Filing date: 2013-11-11
Publication date: 2014-04-16
Anticipated expiration: 2023-11-11

Abstract

The utility model relates to a multifunctional heat exchanger which comprises a shell, an upper tubular plate, a lower tubular plate, a steam inlet tube, a steam outlet tube, an escape tube and an emptying tube. The upper tubular plate is welded to the top end of the shell, the lower tubular plate is welded to the bottom end of the shell, the steam inlet tube, the steam outlet tube, the escape tube and the emptying tube are welded to the lateral wall of the shell, the upper tubular plate is connected with an upper tubular box through a bolt, the lower tubular plate is connected with a lower tubular box through a bolt, a waste gas outlet tube is welded to the top end of the upper tubular box, an extracting solution inlet tube is welded to the bottom end of the lower tubular box, a plurality of heat exchanger tubes fixed at the positions, between the upper tubular plate and the lower tubular plate, in the shell through fixed nuts, a plurality of pulling rods are in threaded connection to the lower tubular plate, each pulling rod is sleeved with a plurality of distance tubes, baffle plates are arranged between the distance tubes, and the other ends of the pulling rods are connected with the baffle plates through fixed nuts. The multifunctional heat exchanger is detachable and high in heat exchange effect.

Description

A kind of multifunctional heat exchanger

Technical field

The utility model relates to a kind of heat exchanger, is specifically related to a kind of multifunctional heat exchanger, is particularly useful in tobacco extract concentration technique.

Background technology

In oil, chemical industry and power engineering, in order to maximally utilise heat energy and recovery waste heat, the research that heat exchanging equipment is carried out augmentation of heat transfer technology more and more receives people's concern.In various heat transmission equipments, shell-and-tube heat exchanger is most widely used, it is firm in structure, adaptability is good, low cost of manufacture is generally applied shell-and-tube heat exchanger tobacco extract is carried out to concentration in tobacco business, but existing pipe heat exchanger exists following defect: one, existing shell-and-tube heat exchanger is in order to separate tube side and shell-side fluid, heat exchanger tube and Tube-sheet Welding sealing, dismounting is inconvenient; Two,, after heat exchanger work a period of time, in heat exchanger tube, deposition dirt, has a strong impact on heat exchange efficiency, even stops up heat exchanger tube, accidents caused; Three, the structure such as Flagless, adapter in bobbin carriage, cannot coordinate the enforcement of the certain methods of scale removal, antiscale.

Utility model content

The purpose of this utility model is exactly the defect for prior art, and a kind of detachable multifunctional heat exchanger is provided.Facilitate installation and the replacing of heat exchanger tube, also guaranteed to settle in carrier gas method, fluidized bed process, pipe the enforcement of the descaling and antiscaling methods such as flexible member method.

The technical solution adopted in the utility model is: it comprises housing, be welded on the upper perforated plate on housing top, be welded on the lower perforated plate of housing bottom, be welded on the steam inlet tube in housing sidewall, steam outlet pipe, blow-down pipe and emptying pipe, described upper perforated plate is connected with upper tube box by bolt, described lower perforated plate is connected with lower tube box by bolt, described upper tube box top is welded with waste discharge tracheae, described lower tube box bottom is welded with extract inlet tube, between upper perforated plate in described housing and lower perforated plate, by hold-down nut, be fixed with some heat exchanger tubes, some pull bars on described lower perforated plate, have been threaded connection, on each pull bar, cover has some distance sink tubes, deflection plate is housed between distance sink tube, the other end of described pull bar is connected with deflection plate by hold-down nut.

Further preferred structure, has seal groove on described upper perforated plate and lower perforated plate, and described heat exchanger tube two ends are fixed by hold-down nut after being inserted in respectively in seal groove.

Further preferred structure, described lower tube box sidewall is provided with carrier gas inlet pipe, in described lower tube box, be provided with carrier gas distributor, described carrier gas distributor bottom has gas inlet pipe, described gas inlet pipe is connected with carrier gas inlet pipe by bolt, described carrier gas distributor upper end has some distributor pipes, and described some distributor pipes insert respectively in some heat exchanger tubes of answering in contrast.

Further preferred structure, is also respectively equipped with support ring and lower support ring in described upper tube box and lower tube box, on described upper support ring and lower support ring, be separately installed with sieve plate.

Further preferred structure, is welded with hanging support in described housing sidewall.

Further preferred structure, described waste discharge tracheae end is provided with the first sealing ring sealing, and described extract inlet tube end is provided with the second sealing ring sealing.

Further preferred structure, has been threaded connection four pull bars on described lower perforated plate, on each pull bar, cover has three distance sink tubes.

The beneficial effects of the utility model: detachable between heat exchanger tube and tube sheet, the setting of the devices such as seal groove, heat exchanger tube packing ring, nut makes sealing good, in upper tube box and lower tube box, be welded with support ring, facilitate the fixing of sieve plate, thereby realize fluidized bed process and the enforcement of settling flexible member method, in lower tube box, be also provided with carrier gas distributor, facilitate carrier gas to be evenly distributed in each heat exchanger tube, heat exchange efficiency is high.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is full sectional view of the present utility model;

Fig. 3 is the local enlarged diagram of the utility model upper part;

Fig. 4 is the local enlarged diagram of Fig. 3;

Fig. 5 is the local enlarged diagram of the utility model end portion;

Fig. 6 is sieve plate scheme of installation of the present utility model.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.

As shown in Fig. 1-Fig. 4, the utility model comprises housing 4, be welded on the upper perforated plate 2 on housing 4 tops, be welded on the lower perforated plate 7 of housing 4 bottoms, be welded on the steam inlet tube 3 on housing 4 sidewalls, steam outlet pipe 6, blow-down pipe 12, emptying pipe 11 and hanging support 5, described upper perforated plate 2 is connected with upper tube box 1 by bolt, described lower perforated plate 7 is connected with lower tube box 10 by bolt, between described upper perforated plate 2 and upper tube box 1, being provided with rubber seal 25 seals, described upper tube box 1 top is welded with waste discharge tracheae 13, described waste discharge tracheae 13 ends are provided with the first sealing ring 18 and seal, described lower tube box 10 bottoms are welded with extract inlet tube 9, described extract inlet tube 9 ends are provided with the second sealing ring 27 and seal, guarantee that tobacco extract does not leak outside, between upper perforated plate 2 in described housing and lower perforated plate 7, by hold-down nut 21, be fixed with some heat exchanger tubes 20, on described upper perforated plate 2 and lower perforated plate 7, have seal groove 23, it is interior rear fixing by hold-down nut 21 that seal groove 23 is inserted in respectively at described heat exchanger tube 20 two ends, between described hold-down nut 21 and upper perforated plate 2 and lower perforated plate 7, be provided with the 3rd sealing ring 24 and packing ring 22.

As shown in Figure 2, be threaded connection four pull bars 30 on described lower perforated plate 2, on each pull bar 30, cover has three distance sink tubes 15, and deflection plate 16 is housed between distance sink tube 15, and the other end of described pull bar 30 is connected with deflection plate 16 by hold-down nut 14.The distance sink tube 15 being enclosed within outside pull bar 30 has guaranteed that deflection plate 16 is distributed in housing 4 along housing 4 axis, has avoided deflection plate 16 and housing 4 internal face welded structures, removes and installs more convenient.

As shown in Figure 5, described lower tube box 10 sidewalls are provided with carrier gas inlet pipe 8, in described lower tube box 10, be provided with carrier gas distributor 17, described carrier gas distributor 17 bottoms have gas inlet pipe 17.1, described gas inlet pipe 17.1 is connected with carrier gas inlet pipe 8 by bolt, junction is provided with rubber seal rings for seal, and described carrier gas distributor 17 upper ends have some distributor pipes 17.2, and described some distributor pipes 17.2 insert respectively in some heat exchanger tubes 20 of answering in contrast.The arranging of carrier gas distributor 17 realized carrier gas and is uniformly distributed in each heat exchanger tube 20, more even to the online souring of inside pipe wall.The every distributor pipe 17.2 of carrier gas distributor 17 inserts respectively in every heat exchanger tube 20, and carrier gas is introduced from carrier gas inlet pipe 8, via carrier gas distributor 17, is uniformly distributed in each heat exchanger tube 20.

As shown in Fig. 3, Fig. 6, in described upper tube box 1 and lower tube box 10, be also respectively equipped with support ring 19 and lower support ring 26, on described upper support ring 19 and lower support ring 26, be separately installed with sieve plate 29.When using fluidized bed process or settling flexible member 28 method scale removal, scale suppression, equal mounted sieve 29 on upper support ring 19 and lower support ring 26, the interior elastic elements 28 of heat exchanger tube 20 or fluidized particles, the layout of sieve plate 29 makes flexible member 28 and the fluidized particles can be all the time in heat exchanger tube 20, prevent that fluidized particles and flexible member 28 from falling into tobacco extract, causes secondary pollution.

The utility model tube side fluid tobacco extract enters heat exchanger from extract inlet tube 9, and shell-side fluid steam enters heat exchanger from steam inlet tube 3, from steam outlet pipe 6, flows out.Tobacco extract is concentrated through steam heat-exchanging boiling, and concentration raises, and the moisture evaporation in extract is discharged via waste discharge tracheae 13.Blow-down pipe 12 is used in conjunction with emptying pipe 11, and the remaining cooling water of heating steam can be discharged timely.

The content that this description is not described in detail belongs to the known prior art of professional and technical personnel in the field.

Claims

1. a multifunctional heat exchanger, it comprises housing, be welded on the upper perforated plate on housing top, be welded on the lower perforated plate of housing bottom, be welded on the steam inlet tube in housing sidewall, steam outlet pipe, blow-down pipe and emptying pipe, described upper perforated plate is connected with upper tube box by bolt, described lower perforated plate is connected with lower tube box by bolt, described upper tube box top is welded with waste discharge tracheae, described lower tube box bottom is welded with extract inlet tube, it is characterized in that: between the upper perforated plate in described housing and lower perforated plate, by hold-down nut, be fixed with some heat exchanger tubes, some pull bars on described lower perforated plate, have been threaded connection, on each pull bar, cover has some distance sink tubes, deflection plate is housed between distance sink tube, the other end of described pull bar is connected with deflection plate by hold-down nut.

2. a kind of multifunctional heat exchanger according to claim 1, is characterized in that: on described upper perforated plate and lower perforated plate, have seal groove, described heat exchanger tube two ends are fixed by hold-down nut after being inserted in respectively in seal groove.

3. a kind of multifunctional heat exchanger according to claim 2, it is characterized in that: described lower tube box sidewall is provided with carrier gas inlet pipe, in described lower tube box, be provided with carrier gas distributor, described carrier gas distributor bottom has gas inlet pipe, described gas inlet pipe is connected with carrier gas inlet pipe by bolt, described carrier gas distributor upper end has some distributor pipes, and described some distributor pipes insert respectively in some heat exchanger tubes of answering in contrast.

4. a kind of multifunctional heat exchanger according to claim 3, is characterized in that: in described upper tube box and lower tube box, be also respectively equipped with support ring and lower support ring, on described upper support ring and lower support ring, be separately installed with sieve plate.

5. a kind of multifunctional heat exchanger according to claim 4, is characterized in that: in described housing sidewall, be welded with hanging support.

6. a kind of multifunctional heat exchanger according to claim 5, is characterized in that: described waste discharge tracheae end is provided with the first sealing ring sealing, and described extract inlet tube end is provided with the second sealing ring sealing.

7. a kind of multifunctional heat exchanger according to claim 1, is characterized in that: on described lower perforated plate, be threaded connection four pull bars, on each pull bar, cover has three distance sink tubes.