CN203810986U - Straight-tube exchanger - Google Patents

Straight-tube exchanger Download PDF

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Publication number
CN203810986U
CN203810986U CN201420144293.6U CN201420144293U CN203810986U CN 203810986 U CN203810986 U CN 203810986U CN 201420144293 U CN201420144293 U CN 201420144293U CN 203810986 U CN203810986 U CN 203810986U
Authority
CN
China
Prior art keywords
housing
heat exchanger
bobbin carriage
type switch
tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420144293.6U
Other languages
Chinese (zh)
Inventor
肖晟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LISHUI REDDOT CREATIVE PRODUCT DESIGN Co Ltd
Original Assignee
LISHUI REDDOT CREATIVE PRODUCT DESIGN Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LISHUI REDDOT CREATIVE PRODUCT DESIGN Co Ltd filed Critical LISHUI REDDOT CREATIVE PRODUCT DESIGN Co Ltd
Priority to CN201420144293.6U priority Critical patent/CN203810986U/en
Application granted granted Critical
Publication of CN203810986U publication Critical patent/CN203810986U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a straight-tube exchanger which mainly comprises a casing, tube boxes, tube plates and heat exchange tubes, wherein the tube boxes are positioned on two sides of the casing; the tube plates are positioned between the tube boxes and the casing; the heat exchange tubes are arranged in the casing; a saddle is arranged at the lower part of the casing and is used for fixing the straight-tube exchanger on the ground or other equipment; the casing is generally cylindrical; due to the adoption of circular plates and arched plates which are arranged at intervals, cooling liquid is forced to flow through flow discharging leaking holes in the circumferences of the circular plates and then is changed to flow through center holes of the arched plates, so that the flow process of the cooling liquid is prolonged, further the heat exchange tubes are fully cooled, and the phenomena that the cooling liquid linearly flows from one end to the other end of the casing and central positions where the heat exchange tubes are centralized are insufficiently cooled are avoided.

Description

Straight pipe type switch
Technical field
The utility model relates to a kind of straight pipe type switch, belongs to the optimisation technique of straight pipe type switch.
Background technology
Straight pipe type switch is widely used in the industrial circles such as petrochemical industry, electric power, environmental protection.Straight pipe type switch generally includes bobbin carriage, tube sheet, housing, multiple deflection plate, multiple heat exchanger tubes etc.Wherein deflection plate, except the housing inner support heat exchanger tube at straight pipe type switch, mainly plays and makes fluid by specific path flow, improve shell-side fluid flow velocity, increase turbulent extent, improve the effect of heat-transfer character.
The deflection plate of existing straight pipe type switch comprises two kinds of segmental baffle and spirality deflection plates.
Common segmental baffle is flat, being generally circular flat board, to be cut into breach arc, axis direction interval along heat exchanger shell and heat exchanger tube is arranged, be arranged in the middle of housing because heat exchanger tube is intensive, adjacent two deflection plates can also can cause that shell-side fluid flowing velocity distribution is unreasonable, valid circulation area is less, flow resistance is large, cooling fluid is mainly flowed along the space between heat exchanger tube and housing, make the heat exchanger tube that is positioned at center cause heat exchange bad because coolant flow is not enough, heat exchange is relatively better due to coolant flow abundance for the heat exchanger tube of close housing, the fluid of various heat exchange pipe of making to flow through is uneven in temperature even from straight pipe type switch flows out.
Helical baffles is that polylith deflection plate is arranged to approximate helicoid along housing axis, makes the shell-side fluid continuous-flow in the shape of a spiral of heat exchanger.Although make shell-side fluid liquid form more reasonable, increase valid circulation area, reduce flow resistance, compared with segmental baffle, helical baffles is installed difficulty, and processing cost is high, and Product Precision is difficult to ensure, is unfavorable for industrial standardization.
Therefore, need to find a kind of simple in structure, cooling more uniform straight pipe type switch of heat exchanger tube.
Summary of the invention
It is few that the purpose of this utility model is to provide a kind of water consumption, and early investment is not high, also not high cleaning equipment of operating cost.
The technical solution of the utility model is: straight pipe type switch, and main by housing 1, form at the bobbin carriage 2 of housing 1 both sides, the tube sheet 3 between bobbin carriage and housing and the heat exchanger tube 4 being placed in housing; The cooling liquid inlet pipe 21 that runs through bobbin carriage is set on the bobbin carriage 2 of housing one side, the coolant outlet 22 that runs through bobbin carriage 2 is set on the bobbin carriage of housing opposite side, cooling fluid flows directly into housing 1 from cooling liquid inlet pipe, flow through from heat exchanger tube gap and help heat exchanger tube cooling, finally flow into coolant outlet from housing and flow out; On the bobbin carriage wall at cooling liquid inlet pipe place, be also provided with the hot-fluid import 23 being communicated with bobbin carriage, on the bobbin carriage wall at coolant outlet place, be provided with the hot-fluid outlet 24 being connected with bobbin carriage; Described heat exchanger tube two ends are separately fixed on tube sheet, and the both ends open of heat exchanger tube lays respectively in bobbin carriage, set gradually the spaced circular slab 5 of many groups and cambered plate 6 in described housing from cooling liquid inlet pipe one end to cooling liquid outlet pipe end; Be provided with a circle discharge orifice along circular slab edge for coolant flow, cambered plate center is provided with centre bore for coolant flow.
What housing two ends and tube sheet were adjacent is circular slab.
Described tube sheet, cambered plate and circular slab are parallel to each other.
Centre bore area on a cambered plate equals the area sum of small-sized discharge orifice all on a circular slab.
Around the centre bore of described heat exchanger tube on cambered plate, disperse to arrange.
Between any two heat exchanger tubes, all leave space.
Described cooling fluid is water or oil.
Described Selection of Tubes in Heat Exchangers metal tube, is provided with fin or projection at heat exchanger tube outer wall.
Described cambered plate and circular slab are welded on inner walls.
Beneficial effect
1, by spaced circular slab and cambered plate, force cooling fluid from circular slab discharge orifice around flows through changed course from bow
The centre bore of shape plate flows through, and has extended the flow process of cooling fluid, thereby it is cooling fully that heat exchanger tube is obtained, and avoids cooling fluid
The linear other end that flows to from housing one end, for the phenomenon of the concentrated cooling deficiency in center of heat exchanger tube.
Brief description of the drawings
Fig. 1 is surface structure schematic diagram of the present utility model;
Fig. 2 is generalized section of the present utility model;
Fig. 3 is that Fig. 2 removes the schematic diagram after heat exchanger tube;
Fig. 4 is circular slab structural representation;
Fig. 5 is cambered plate structural representation.
Detailed description of the invention
As depicted in figs. 1 and 2, straight pipe type switch, main by housing 1, form at the bobbin carriage 2 of housing 1 both sides, the tube sheet 3 between bobbin carriage and housing and the heat exchanger tube 4 being placed in housing.Saddle is set below housing, for straight pipe type switch being fixed on to ground or other equipment.It is cylindrical that housing is generally.
The cooling liquid inlet pipe 21 that runs through bobbin carriage is set on the bobbin carriage 2 of housing one side, the coolant outlet 22 that runs through bobbin carriage 2 is set on the bobbin carriage of housing opposite side, cooling fluid flows directly into housing 1 from cooling liquid inlet pipe, flow through from heat exchanger tube gap and help heat exchanger tube cooling, finally flow into coolant outlet from housing and flow out; On the bobbin carriage wall at cooling liquid inlet pipe place, be also provided with the hot-fluid import 23 being communicated with bobbin carriage, on the bobbin carriage wall at coolant outlet place, be provided with the hot-fluid outlet 24 being connected with bobbin carriage; Described heat exchanger tube two ends are separately fixed on tube sheet, the both ends open of heat exchanger tube lays respectively in bobbin carriage, as shown in Figure 3, in described housing, set gradually the spaced circular slab 5 of many groups and cambered plate 6 from cooling liquid inlet pipe one end to cooling liquid outlet pipe end; As shown in Figure 4, be provided with a circle discharge orifice for coolant flow along circular slab edge, as shown in Figure 5, cambered plate center is provided with centre bore for coolant flow.
Need cooling liquid to enter bobbin carriage from hot-fluid import 23, then flow into the heat exchanger tube 4 being fixed on tube sheet, flow through and be positioned at after the heat exchanger tube supervisor of housing, flow into the bobbin carriage that is positioned at housing opposite side, then from hot-fluid outlet 24 out.Cooling fluid flows in housing from cooling liquid inlet pipe 21, flows to the cambered plate of next stage, then flow to the circular slab of next stage through cambered plate centre bore from circular slab discharge orifice around, until arrive the tube sheet of opposite side, flows out bobbin carriage from coolant outlet.Cooling fluid in mobile process, flows through from the gap of heat exchanger tube in housing, takes away the heat on heat exchanger tube surface.Due to circular slab and the setting of cambered plate interval, force cooling fluid changed course from circular slab discharge orifice around flows through to flow through from the centre bore of cambered plate, extend the flow process of cooling fluid in housing, thereby it is cooling fully that heat exchanger tube is obtained, avoid cooling fluid from housing one end the linear other end that flows to, for the phenomenon of the concentrated cooling deficiency in center of heat exchanger tube.
What housing two ends and tube sheet were adjacent is circular slab, can extend the flow process of cooling fluid, thereby can better take away the heat on heat exchanger tube surface.
Described cooling fluid is water or oil.
Described Selection of Tubes in Heat Exchangers metal tube, is provided with fin or projection at heat exchanger tube outer wall, to expand and the contact area of cooling fluid, so that heat radiation better.Its cross section be shaped as circle or ellipse, be preferably ellipse, the area that heat exchanger tube surface is contacted with cooling fluid is larger, and the inside needs the thickness of the liquid dispelling the heat moderate, takes away thereby heat is easily absorbed by heat exchanger tube the liquid that is cooled.
Described cambered plate and circular slab are welded on inner walls.
Described tube sheet, cambered plate and circular slab are parallel to each other.
Centre bore area on a cambered plate equals the area sum of small-sized discharge orifice all on a circular slab, contributes to force cooling fluid to flow through more equably various piece in housing.
Around the centre bore of described heat exchanger tube on cambered plate, disperse to arrange.
Between any two heat exchanger tubes, all leave space, be convenient to cooling fluid from flowing through the heat of taking away heat exchanger tube surface between pipe, help liquid cools in heat exchanger tube.
Above-described embodiment is only for interpretation purposes of the present utility model; and be not to restriction of the present utility model, those skilled in the art, in essential scope of the present utility model; make a variety of changes or substitute, also should belong to protection category of the present utility model.

Claims (9)

1. straight pipe type switch, is mainly made up of housing (1), the heat exchanger tube (4) that is positioned at the bobbin carriage (2) of housing (1) both sides, tube sheet (3) between bobbin carriage and housing and is placed in housing; It is characterized in that: at the upper cooling liquid inlet pipe (21) that runs through bobbin carriage that arranges of bobbin carriage (2) of housing one side, the coolant outlet (22) that runs through bobbin carriage (2) is set on the bobbin carriage of housing opposite side, cooling fluid flows directly into housing (1) from cooling liquid inlet pipe, flow through from heat exchanger tube gap and help heat exchanger tube cooling, finally flow into coolant outlet from housing and flow out; On the bobbin carriage wall at cooling liquid inlet pipe place, be also provided with the hot-fluid import (23) being communicated with bobbin carriage, on the bobbin carriage wall at coolant outlet place, be provided with the hot-fluid outlet (24) being connected with bobbin carriage; Described heat exchanger tube two ends are separately fixed on tube sheet, the both ends open of heat exchanger tube lays respectively in bobbin carriage, sets gradually the spaced circular slab of many groups (5) and cambered plate (6) in described housing from cooling liquid inlet pipe one end to cooling liquid outlet pipe end; Be provided with a circle discharge orifice along circular slab edge for coolant flow, cambered plate center is provided with centre bore for coolant flow.
2. straight pipe type switch according to claim 1, is characterized in that: what housing two ends and tube sheet were adjacent is circular slab.
3. straight pipe type switch according to claim 1, is characterized in that: described tube sheet, cambered plate and circular slab are parallel to each other.
4. straight pipe type switch according to claim 1, is characterized in that: the centre bore area on a cambered plate equals the area sum of discharge orifice all on a circular slab.
5. straight pipe type switch according to claim 1, is characterized in that: around the centre bore of described heat exchanger tube on cambered plate, disperse to arrange.
6. straight pipe type switch according to claim 1, is characterized in that: between any two heat exchanger tubes, all leave space.
7. straight pipe type switch according to claim 1, is characterized in that: described cooling fluid is water or oil.
8. straight pipe type switch according to claim 1, is characterized in that: described Selection of Tubes in Heat Exchangers metal tube, is provided with fin or projection at heat exchanger tube outer wall.
9. straight pipe type switch according to claim 1, is characterized in that: described cambered plate and circular slab are welded on inner walls.
CN201420144293.6U 2014-03-27 2014-03-27 Straight-tube exchanger Expired - Fee Related CN203810986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420144293.6U CN203810986U (en) 2014-03-27 2014-03-27 Straight-tube exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420144293.6U CN203810986U (en) 2014-03-27 2014-03-27 Straight-tube exchanger

Publications (1)

Publication Number Publication Date
CN203810986U true CN203810986U (en) 2014-09-03

Family

ID=51449724

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420144293.6U Expired - Fee Related CN203810986U (en) 2014-03-27 2014-03-27 Straight-tube exchanger

Country Status (1)

Country Link
CN (1) CN203810986U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949551A (en) * 2014-03-27 2015-09-30 中山市雅西环保科技有限公司 Heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104949551A (en) * 2014-03-27 2015-09-30 中山市雅西环保科技有限公司 Heat exchanger
CN104949551B (en) * 2014-03-27 2016-11-23 中山市雅西环保科技有限公司 Heat exchanger

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140903

Termination date: 20150327

EXPY Termination of patent right or utility model