CN201637309U - Pipe-in-pipe heat exchanger and pipeline system thereof - Google Patents
Pipe-in-pipe heat exchanger and pipeline system thereof Download PDFInfo
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- CN201637309U CN201637309U CN2010200044365U CN201020004436U CN201637309U CN 201637309 U CN201637309 U CN 201637309U CN 2010200044365 U CN2010200044365 U CN 2010200044365U CN 201020004436 U CN201020004436 U CN 201020004436U CN 201637309 U CN201637309 U CN 201637309U
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Abstract
The embodiment of the utility model discloses a pipe-in-pipe heat exchanger, which is formed by nesting three layers of steel pipes with different dimensions together and comprises an inner passage way, a middle passage way and an outer passage way from inside to outside sequentially; and the three layers of passage ways are bent 180 degrees to form the U shape. The utility model also discloses a pipeline system of the heat exchanger. The pipeline system comprises the pipe-in-pipe heat exchanger, a terminal device, a main pipe, a first pipe, a second pipe, a third pipe and a forth pipe. For the pipe-in-pipe heat exchanger, three layers of pipes are formed at one time, the low-temperature fluid passes through the inner pipe and the outer pipe, and the high-temperature fluid passes through the middle pipe and can be used for heat exchange with the low-temperature fluid in the inner pipe and the outer pipe at the same time, therefore, the process of the heat exchange can be full, the heat exchange coefficient is big, the temperature of the high-temperature fluid can be lowered well, and the temperature lowering speed is fast; in addition, as the pipes are formed at one time, and no welding and no dead space exist at the interior, the leakage between the pipes can be effectively prevented, no risk of cross contamination can be caused, and the installation is convenient and fast.
Description
Technical field
The utility model relates to a kind of hygiene-type heat-exchange system, more particularly, relates to a kind of tube-in-tube formula heat exchanger and heat exchange manifold system.
Background technology
Pipe heat exchanger is in the prior art by widespread usage, pipe heat exchanger has a housing that allows high temperature fluid to pass through, be respectively arranged with at the two ends up and down of this housing and be used for the import or export that high temperature fluid enters and flows out, be installed in spiral plate around the heat exchanger tube in a spiral manner and the many heat exchanger tubes of arranging according to predetermined way and/or from top to down are installed in housing, and another kind of cryogen can be in heat exchanger tube circulation so that in the high temperature fluid cooling of heat exchanger tube outer loop.Because this pipe heat exchanger can realize exchange heat easily in the cyclic process of two kinds of different temperatures fluids, and be in operation and have higher reliability, so this kind heat exchanger is used widely.
But existing pipe heat exchanger, heat exchange between its high temperature fluid and the cryogen is also insufficient, so be difficult to arrive the predetermined effect that cools, in addition, connection complex process between each pipeline is in case the manufacture process imprecision causes each pipeline weld seepage easily, cause cross pollution, waste energy; And many pipelines of arranging by predetermined way of following are installed in the housing, in the installation process of whole heat exchanger, the installation process complexity, it is many to take up room, and the cost height.
The utility model content
In view of this, the utility model provides a kind of tube-in-tube formula heat exchanger and heat exchange manifold system, effectively fast cooling, and whole heat exchanger one-shot forming, and inner no dead angle, no cross contamination risk is easy to install.
For achieving the above object, the utility model provides following technical scheme:
A kind of tube-in-tube formula heat exchanger, described heat exchanger is nested by the steel pipe of three layers of different size and manufactures one, is followed successively by internal channel, middle passage and outer tunnel from the inside to the outside; Described three layers of passage are curved 180 degree, become the U font.
Above-mentioned heat exchanger, preferred, be provided with the spiral stream guidance pipe in the described outer tunnel, described spiral stream guidance pipe is wrapped in the outside of described middle passage.
Above-mentioned heat exchanger preferably, is provided with the flow deflector of helical structure in the described internal channel.
A kind of pipe-line system with described tube-in-tube heat exchanger is characterized in that, comprising: tube-in-tube heat exchanger, terminal installation, trunk line, first pipeline, second pipeline, the 3rd pipeline and the 4th pipeline;
Wherein: the port of export of described first pipeline is connected with the passway of described tube-in-tube heat exchanger left end internal channel and outer tunnel respectively;
The entrance point of described second pipeline is connected with the passway of described tube-in-tube heat exchanger right-hand member internal channel and outer tunnel respectively;
One end of described the 3rd pipeline is connected with trunk line, the other end respectively with tube-in-tube heat exchanger left end in the passway of passage be connected with terminal installation;
One end of described the 4th pipeline is connected with trunk line, and the other end is connected with the pipeline opening of passage in the tube-in-tube heat exchanger right-hand member;
Described first pipeline is provided with first pneumatic operated valve;
The main body of described the 3rd pipeline is provided with second pneumatic operated valve;
Described the 3rd pipeline is provided with hand-operated valve with the lateral that described terminal installation is connected.
The disclosed tube-in-tube formula of the utility model embodiment heat exchanger, three layers of pipeline one-shot forming, cryogen is by interior conduit and Outer Tube, high temperature fluid is by middle pipeline, can the while carry out heat exchange with the cryogen in interior conduit and the Outer Tube, make that the process of heat exchange is abundant, it is big to change hot coefficient, can be good at high temperature fluid is lowered the temperature, cooling rate is fast; And since the pipeline one-shot forming, inner nothing welding, no dead angle can effectively prevent the seepage between the pipeline, the risk of no cross pollution is quick and easy for installation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the disclosed tube-in-tube formula of a utility model embodiment heat exchanger cut-away view;
Fig. 2 is the disclosed tube-in-tube formula of a utility model embodiment heat exchanger tube schematic cross-section;
Fig. 3 is the disclosed tube-in-tube formula of a utility model embodiment heat exchanger cutaway view;
Fig. 4 is the structure chart of the disclosed pipe-line system of the utility model embodiment;
Fig. 5 is the in running order flow chart of the disclosed pipe-line system of the utility model embodiment;
Fig. 6 is the front view of the disclosed pipe-line system of the utility model embodiment;
Fig. 7 is the side view of the disclosed pipe-line system of the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The disclosed tube-in-tube formula of the utility model embodiment heat exchanger cut-away view as shown in Figure 1, whole heat exchanger tube is nested by the steel pipe of three kinds of different sizes and manufactures one, is followed successively by internal channel 1, middle passage 2 and outer tunnel 3 from the inside to the outside; Be provided with spiral stream guidance pipe 4 in outer tunnel 3, the outside of passage 2 had increased the heat exchange effect between the pipeline, no any slit and dead angle during spiral stream guidance pipe 4 was wrapped in; In internal channel 1, be provided with the flow deflector 5 of helical structure, can be so that the path growth that cooling medium by internal channel 1 time, passes through better contacts with middle passage 2, thereby reaches better cooling effect.
The disclosed tube-in-tube formula of the utility model embodiment heat exchanger tube schematic cross-section as shown in Figure 2, in the present embodiment, what pass through in interior conduit 1 and the Outer Tube 2 is cooling water, what pass through in the middle passage 2 is injection water, the temperature of injection water is very high, during injection water is flowed through during passage 2, can be simultaneously with flow through internal channel 1 and outer tunnel 2 in cooling water carry out heat exchange, heat exchange in making between passage 2 and internal channel 1 and the outer tunnel 3 can fully be carried out, and reaches the cooling-down effect of expection.
The disclosed tube-in-tube formula of the utility model embodiment heat exchanger cutaway view as shown in Figure 3, three layers of pipeline are curved 180 degree, become a reverse U shape, outermost is outer tunnel 3, and middle is middle passage 2, internal layer is an internal channel 1, stream has cooling water in outer tunnel 3 and the internal channel 1, and stream has injection water in the middle passage 2, when heat exchanger is started working, cooling water and the injection water U font passage as shown in Figure 3 of flowing through is finished heat exchanging process each other.
The structure chart of the disclosed pipe-line system of the utility model embodiment comprises as shown in Figure 4: trunk line 1, tube-in-tube heat exchanger 2, terminal installation 3, first pipeline 4, second pipeline 5, the 3rd pipeline 6 the 4th pipeline 7; The port of export of first pipeline 4 is connected with the passway of tube-in-tube heat exchanger 2 left end internal channels and outer tunnel respectively; The entrance point of second pipeline 5 is connected with the passway of tube-in-tube heat exchanger 2 right-hand member internal channels and outer tunnel respectively; One end of the 3rd pipeline 6 is connected with trunk line 1, the other end respectively with tube-in-tube heat exchanger 2 left ends in the passway of passage be connected with terminal installation 3; One end of the 4th pipeline 7 is connected with trunk line 1, and the other end is connected with the pipeline opening of passage in tube-in-tube heat exchanger 2 right-hand members; First pipeline 4 is provided with first pneumatic operated valve 8; The main body of the 3rd pipeline 6 is provided with second pneumatic operated valve 9; The branch that the 3rd pipeline 6 is connected with terminal installation 3 is provided with hand-operated valve 10.
When not needing to use injection water, when promptly not needing to carry out heat exchanging process, hand-operated valve 10 is in closed condition, second pneumatic operated valve 9 is opened, injection water in the trunk line 1 flows from left to right, injection water in the trunk line 1 is under the water flow pressure effect, enter in the 3rd pipeline 6, enter in the middle passage of tube-in-tube formula heat exchanger 2 along the port of the 3rd pipeline 6 by passage in tube-in-tube formula heat exchanger 2 left ends, passage in the injection water edge, port by passage in tube-in-tube formula heat exchanger 2 right-hand members enters in the 4th pipeline 4, enters in the trunk line 1 along the 4th pipeline 4, forms a circulation.
When needs use injection water, when promptly needing to carry out heat exchanging process, pipe-line system is in running order, as shown in Figure 5, open first pneumatic operated valve 8, simultaneously second pneumatic operated valve 9 is in closed condition automatically, treat that first pneumatic operated valve 8 is opened a period of time after, open hand-operated valve 10, be cooled from the injection water that hand-operated valve flows out with assurance.
Whole process is as follows: when pipe-line system is in running order, injection water in the trunk line 1 flows from right to left, extraneous cooling water, enter in first pipeline 4,, enter respectively in the internal channel and outer tunnel of tube-in-tube formula heat exchanger 2 respectively by the left end outer tunnel of tube-in-tube heat exchanger 2 and the port of internal channel along first pipeline 4, cooling water is along internal channel and outer tunnel, port by tube-in-tube heat exchanger 2 right-hand member internal channels and outer tunnel enters in second pipeline 5, flows out by second pipeline 5.In this simultaneously, injection water in the trunk line 1 is under the effect of pressure, flow in the 4th pipeline 7, enter in the middle passage of tube-in-tube formula heat exchanger 2 along the port of the 4th pipeline 7 by passage in the tube-in-tube formula heat exchanger 2, passage access port from tube-in-tube heat exchanger 2 left ends in the edge, enter in the 3rd pipeline 6 and the lateral that terminal installation 3 is connected, enter in the terminal installation 3 injection water that obtains being cooled then by lateral.
In the whole process, cooling water is under the pressure of pump, enter along the left end of internal and external channel from tube-in-tube formula heat exchanger 2, flow out from right-hand member along passage, and injection water is under the pressure of injection water system, along in passage enter from the right-hand member of tube-in-tube formula heat exchanger 2, the flow direction against cooling water, flow to the left side, flow out, enter in the terminal installation 3 from hand-operated valve 10.Because injection water contacts with cooling water is reverse, so in the process of contact, the heat exchange meeting is more abundant, to reach the effect of better cooling injection water.
The front view of the disclosed pipe-line system of the utility model embodiment as shown in Figure 6, and is preferred, in the outside of tube-in-tube formula heat exchanger 1, added a stainless steel outer cover 2, can not be damaged in order to pipe heat exchanger in the protection tube 1; The flow direction of arrow 8 representative cooling waters among Fig. 3, cooling water flow enter in the tube-in-tube heat exchanger 1 through cooling water pneumatic operated valve 4; Arrow 9 is represented the flow direction of injection water, the injection water trunk line 3 of flowing through; Be disposed with injection water pneumatic operated valve 5 and hand-operated valve 6 on passage is connected in tube-in-tube heat exchanger 2 left ends the pipeline; Whole pipe-line system also is provided with gauge tap 7, in order to control the startup of whole pipe-line system.
The side view of the disclosed pipe-line system of this use new embodiment as shown in Figure 7, from the side-looking angle, the conduit profile of tube-in-tube heat exchanger 1 shape of threading a pipe in being, the outside is equipped with stainless steel outer cover 2, the top of stainless steel outer cover 2 is provided with cooling water pneumatic operated valve 3.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. a tube-in-tube formula heat exchanger is characterized in that, described heat exchanger is nested by the steel pipe of three layers of different size and manufactures one, is followed successively by internal channel, middle passage and outer tunnel from the inside to the outside; Described three layers of passage are curved 180 degree, become the U font.
2. heat exchanger according to claim 1 is characterized in that, is provided with the spiral stream guidance pipe in the described outer tunnel, and described spiral stream guidance pipe is wrapped in the outside of described middle passage.
3. heat exchanger according to claim 1 is characterized in that, is provided with the flow deflector of helical structure in the described internal channel.
4. a pipe-line system that has as the described tube-in-tube heat exchanger of one of claim 1～3 is characterized in that, comprising: tube-in-tube heat exchanger, terminal installation, trunk line, first pipeline, second pipeline, the 3rd pipeline and the 4th pipeline;
Wherein: the port of export of described first pipeline is connected with the passway of described tube-in-tube heat exchanger left end internal channel and outer tunnel respectively;
The entrance point of described second pipeline is connected with the passway of described tube-in-tube heat exchanger right-hand member internal channel and outer tunnel respectively;
One end of described the 3rd pipeline is connected with trunk line, the other end respectively with tube-in-tube heat exchanger left end in the passway of passage be connected with terminal installation;
One end of described the 4th pipeline is connected with trunk line, and the other end is connected with the pipeline opening of passage in the tube-in-tube heat exchanger right-hand member;
Described first pipeline is provided with first pneumatic operated valve;
The main body of described the 3rd pipeline is provided with second pneumatic operated valve;
Described the 3rd pipeline is provided with hand-operated valve with the lateral that described terminal installation is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200044365U CN201637309U (en) | 2010-01-21 | 2010-01-21 | Pipe-in-pipe heat exchanger and pipeline system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200044365U CN201637309U (en) | 2010-01-21 | 2010-01-21 | Pipe-in-pipe heat exchanger and pipeline system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201637309U true CN201637309U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200044365U Expired - Lifetime CN201637309U (en) | 2010-01-21 | 2010-01-21 | Pipe-in-pipe heat exchanger and pipeline system thereof |
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| CN (1) | CN201637309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106170660A (en) * | 2014-02-16 | 2016-11-30 | Be电力技术股份有限公司 | Heat and mass equipment and include the system of heat and mass |
-
2010
- 2010-01-21 CN CN2010200044365U patent/CN201637309U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106170660A (en) * | 2014-02-16 | 2016-11-30 | Be电力技术股份有限公司 | Heat and mass equipment and include the system of heat and mass |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |
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| CX01 | Expiry of patent term |