CN216845738U - Condenser - Google Patents
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- CN216845738U CN216845738U CN202220400213.3U CN202220400213U CN216845738U CN 216845738 U CN216845738 U CN 216845738U CN 202220400213 U CN202220400213 U CN 202220400213U CN 216845738 U CN216845738 U CN 216845738U
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- heat exchange
- exchange tube
- tube bundle
- chamber
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Abstract
The utility model relates to the technical field of heat exchange equipment, and discloses a condenser, which is characterized in that a pressure-isolating plate is arranged between a first cavity and a second cavity and separates the first cavity from the second cavity; the first heat exchange tube bundle penetrates through the first cavity; the second heat exchange tube bundle penetrates through the second cavity; the input end of the water pipe is communicated with the first rear water chamber, and the output end of the water pipe is communicated with the second rear water chamber; the water delivery pipe is provided with a one-way valve which is used for enabling the one-way circulating cooling water in the first rear water chamber to flow to the second rear water chamber. The embodiment of the utility model provides a become the cooling tube bank (single flow) that flows through both sides in proper order through the partition board with original recirculated cooling water by flowing through both sides cooling tube bank side by side (every cavity is two flows), make average pressure be less than the pressure of single backpressure condenser, just so increased the enthalpy drop of steam turbine in low pressure cylinder department, improved the thermal efficiency of whole unit.
Description
Technical Field
The utility model relates to a indirect heating equipment technical field especially relates to a condenser.
Background
At present, two condensers are the novel condenser that develops on the basis of former single-pressure condenser, and this kind of condenser just can improve the condenser vacuum or reduce the cooling area of condenser or reduce the advantage of cooling water flow under certain condition owing to only need carry out little change to former single-pressure condenser, receives extensive attention and application in the steam turbine of large-scale multirow steam port.
Referring to fig. 1, fig. 1 shows a single-pressure condenser in the prior art, under the condition that a heat transfer area and a cooling water flow are the same, the single-pressure condenser is higher than an average back pressure of a dual-pressure condenser, and a back pressure increase will cause a reduction in generating efficiency of a unit, and economic benefits are poor. 2. Compare in the two backpressure condensers that are generally used for coal-fired unit, need set up 2 independent steam chambers, area is great, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: 1. the single backpressure condenser that traditional combustion engine used economic nature is poor than two backpressure condensers. 2. The double back pressure condenser of the traditional coal-fired unit is divided into 2 independent water chambers, the structure is complex, the manufacturing cost is high, and the occupied area is large.
In order to solve the technical problem, the utility model provides a condenser, which comprises a first front water chamber, a second front water chamber, a first rear water chamber, a communicating pipe and a second rear water chamber;
a condenser housing; the condenser shell is provided with a first cavity and a second cavity; a first condensed water discharge port is formed in the bottom of the first chamber; a second condensed water discharge port is formed in the bottom of the second chamber;
a pressure-isolating plate; the partition plate is arranged between the first cavity and the second cavity and separates the first cavity from the second cavity;
a first heat exchange tube bundle; the first heat exchange tube bundle penetrates through the first chamber; the input end of the first heat exchange tube bundle is communicated with the first front water chamber, and the output end of the first heat exchange tube bundle is communicated with the first rear water chamber;
a second heat exchange tube bundle; the second heat exchange tube bundle penetrates through the second chamber; the input end of the second heat exchange tube bundle is communicated with the second front water chamber, and the output end of the second heat exchange tube bundle is communicated with the second rear water chamber;
a water delivery pipe; the input end of the water conveying pipe is communicated with the first rear water chamber, and the output end of the water conveying pipe is communicated with the second rear water chamber; the water delivery pipe is provided with a one-way valve which is used for enabling the first rear water chamber to flow to the second rear water chamber in a one-way circulating cooling water mode.
Optionally, the method includes: a third heat exchange tube bundle and a fourth heat exchange tube bundle;
the third heat exchange tube bundle penetrates through the first chamber; the input end of the third heat exchange tube bundle is communicated with the first front water chamber, and the output end of the third heat exchange tube bundle is communicated with the first rear water chamber;
the fourth heat exchange tube bundle penetrates through the second chamber; the input end of the fourth heat exchange tube bundle is communicated with the second front water chamber, and the output end of the fourth heat exchange tube bundle is communicated with the second rear water chamber.
Optionally, the first heat exchange tube bundle, the second heat exchange tube bundle, the third heat exchange tube bundle, and the fourth heat exchange tube bundle are straight tubes; the first heat exchange tube bundle, the second heat exchange tube bundle, the third heat exchange tube bundle and the fourth heat exchange tube bundle are arranged in parallel.
Optionally, the pressure-isolating plate is a steel plate; the volume of the first chamber is consistent with the volume of the second chamber; the thickness of the steel plate is 2 CM.
Optionally, the first front water chamber and the second front water chamber are located at the upper end of the condenser shell; the first rear water chamber and the second rear water chamber are located at the lower end of the condenser shell.
Optionally, the method further includes: a conduit and a valve body; the valve body is arranged on the pipeline; one end of the pipeline is communicated with the first condensed water discharge port, and the other end of the pipeline is communicated with the second condensed water discharge port.
Optionally, the valve body is a one-way flow valve, and the one-way flow valve is used for preventing the cooling water in the first chamber from flowing back to the second chamber.
Optionally, the first heat exchange tube bundle and the third heat exchange tube bundle are respectively provided with a water inlet flow meter and a water inlet temperature detector.
Optionally, the first heat exchange tube bundle, the second heat exchange tube bundle, the third heat exchange tube bundle, and the fourth heat exchange tube bundle are all TP316L steel tubes.
The embodiment of the utility model provides a condenser compares with prior art, and its beneficial effect lies in:
the embodiment of the utility model provides a become the cooling tube bank (single flow) that flows through both sides in proper order through the partition board with original recirculated cooling water by flowing through both sides cooling tube bank side by side (every cavity is two flows), make the condenser of this application form two backpressure condensers. The average pressure of the double back pressure condenser is lower than that of the single back pressure condenser, so that the enthalpy drop of the steam turbine at the low pressure cylinder is increased, and the heat efficiency of the whole unit is improved. And this application separates into first cavity and second cavity through separating the clamp plate with the condenser casing, can effectively reduce area to reduce the cost of equipment.
Drawings
FIG. 1 is a prior art single pressure condenser;
fig. 2 is a schematic structural view of a condenser shell in an embodiment of the present invention;
fig. 3 is the embodiment of the utility model provides an internal structure schematic diagram of condenser casing.
In the figure, 1, a first front water chamber; 2. a second front water chamber; 3. a first rear water chamber; 4. a water delivery pipe; 5. a second rear water chamber; 6. a condenser housing; 61. a first chamber; 62. a second chamber; 7. a pressure-isolating plate; 8. a first heat exchange tube bundle; 9. a second heat exchange tube bundle; 10. a pipeline; 11. a third heat exchange tube bundle; 12. a fourth heat exchange tube bundle; 13. a valve body.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
First, it should be noted that the orientations of top, bottom, upward, downward, and the like referred to herein are defined with respect to the orientation in the respective drawings, are relative concepts, and thus can be changed according to different positions and different practical states in which they are located. These and other orientations, therefore, should not be used in a limiting sense.
It should be noted that the term "comprising" does not exclude other elements or steps and the "a" or "an" does not exclude a plurality.
Furthermore, it should be further noted that any single technical feature described or implied in the embodiments herein, or any single technical feature shown or implied in the figures, can still be combined between these technical features (or their equivalents) to obtain other embodiments of the present application not directly mentioned herein.
It will be further understood that the terms "first," "second," and the like, are used herein to describe various information and should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application.
It should be noted that in different drawings, the same reference numerals indicate the same or substantially the same components.
As shown in fig. 2 and 3, the condenser according to the preferred embodiment of the present invention comprises a first front water chamber 1, a second front water chamber 2, a first rear water chamber 3, a second communicating pipe, a second rear water chamber, a condenser shell 6, a pressure-isolating plate 7, a first heat-exchanging tube bundle 8, a second heat-exchanging tube bundle 9, and a water pipe 4.
The condenser housing 6 has a first chamber 61 and a second chamber 62. The bottom of the first chamber 61 is provided with a first condensed water discharge port. The bottom of the second chamber 62 is provided with a second condensed water discharge port.
The pressure isolation plate 7 is arranged between the first chamber 61 and the second chamber 62 and separates the first chamber 61 from the second chamber 62, and the pressure isolation plate 7 is arranged to isolate the pressure of the first chamber 61 from the pressure of the second chamber 62.
The first bundle 8 of heat exchange tubes extends through the first chamber 61. The input end of the first heat exchange tube bundle 8 is communicated with the first front water chamber 1, and the output end of the first heat exchange tube bundle 8 is communicated with the first rear water chamber 3.
The second heat exchange tube bundle 9 extends through the second chamber 62; the input end of the second heat exchange tube bundle 9 is communicated with the second front water chamber 2, and the output end of the second heat exchange tube bundle 9 is communicated with the second rear water chamber 5.
Wherein, the first heat exchange tube bundle 8 and the second heat exchange tube bundle 9 are both condensation tube bundles.
The input end of the water pipe 4 is communicated with the first rear water chamber 3, and the output end of the water pipe 4 is communicated with the second rear water chamber 5. The water pipe 4 is provided with a one-way valve for enabling the first rear water chamber 3 to flow to the second rear water chamber 5 in a one-way manner, so that the circulating cooling water in the first rear water chamber 3 can flow to the second rear water chamber 5 through the water pipe 4.
Further, the embodiment of the utility model provides a still include: a third bank of heat exchange tubes 11 and a fourth bank of heat exchange tubes 12.
The third bundle 11 of heat exchange tubes extends through the first chamber 61. The input end of the third heat exchange tube bundle 11 is communicated with the first front water chamber 1, and the output end of the third heat exchange tube bundle 11 is communicated with the first rear water chamber 3.
The fourth bundle 12 of heat exchange tubes extends through the second chamber 62; the input end of the fourth heat exchange tube bundle 12 is communicated with the second front water chamber 2, and the output end of the fourth heat exchange tube bundle 12 is communicated with the second rear water chamber 5.
In the above embodiment, the original circulating cooling water is changed from flowing through the cooling tube bundles on two sides in parallel (each cavity is in a double flow path) to flowing through the cooling tube bundles on two sides in sequence (in a single flow path), so that the condenser of the present application forms a double back pressure condenser. The average pressure of the double back pressure condenser is lower than that of the single back pressure condenser, so that the enthalpy drop of the steam turbine at the low pressure cylinder is increased, and the heat efficiency of the whole unit is improved. And this application separates into first cavity 61 and second cavity 62 through pressure isolating plate 7 with condenser housing 6, can effectively reduce area to reduce the cost of equipment.
Further, the first heat exchange tube bundle 8, the second heat exchange tube bundle 9, the third heat exchange tube bundle 11, and the fourth heat exchange tube bundle 12 are all straight tubes. The first heat exchange tube bundle 8, the second heat exchange tube bundle 9, the third heat exchange tube bundle 11, and the fourth heat exchange tube bundle 12 are arranged in parallel. Moreover, the first heat exchange tube bundle 8 and the third heat exchange tube bundle 11 are arranged in the first cavity 61 at intervals, and the second heat exchange tube bundle 9 and the fourth heat exchange tube bundle 12 are arranged in the second cavity 62 at intervals, so that steam in the first cavity 61 and the second cavity 62 can uniformly exchange heat with the heat exchange tube bundles, and the reduction of the higher local temperature in the first cavity 61 and the second cavity 62 is facilitated.
Further, the pressure-isolating plate 7 is a steel plate. The volume of the first chamber 61 is consistent with that of the second chamber 62, and the thickness of the steel plate is 2CM, so that the pressure difference between the first chamber 61 and the second chamber 62 is small and is not more than 2kPa under normal conditions, and the steel plate of 2CM can ensure that the steel plate cannot deform, thereby being beneficial to the stability of the condenser.
Further, the first front water chamber 1 and the second front water chamber 2 are located at the upper end of the condenser shell 6; the first rear water chamber 3 and the second rear water chamber 5 are located at the lower end of the condenser case 6, and the first condensed water discharge port and the second condensed water discharge port are disposed at positions close to the first rear water chamber 3 and the second rear water chamber 5.
Further, this application still includes: a conduit 10 and a valve body 13. The valve body 13 is disposed on the pipe 10. One end of the pipeline 10 is communicated with the first condensed water discharge port, and the other end of the pipeline 10 is communicated with the second condensed water discharge port.
Specifically, the valve body 13 is a one-way flow valve for preventing the cooling water in the first chamber 61 from flowing back into the second chamber 62, and the one-way flow valve is arranged such that the condensed water can flow from the condensed water in the second chamber 62 to the first chamber 61, i.e. from the low-temperature chamber to the high-temperature chamber, and is influenced by the temperature of the high-temperature chamber, so that the temperature of the condensed water finally output from the condenser is relatively high.
In a possible embodiment, an inflow flowmeter and an inflow temperature detector are respectively arranged in the first heat exchange tube bundle 8 and the third heat exchange tube bundle 11, so that a worker can observe the inflow flowmeter and the inflow temperature detector outside to know whether the condenser works normally.
Further, first heat exchange tube bundle 8, second heat exchange tube bundle 9, third heat exchange tube bundle 11, and fourth heat exchange tube bundle 12 are all TP316L steel tubes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. A condenser is characterized by comprising a first front water chamber, a second front water chamber, a first rear water chamber, a communicating pipe and a second rear water chamber;
a condenser housing; the condenser shell is provided with a first cavity and a second cavity; a first condensed water discharge port is formed in the bottom of the first chamber; a second condensed water discharge port is formed in the bottom of the second chamber;
a pressure-isolating plate; the partition plate is arranged between the first cavity and the second cavity and separates the first cavity from the second cavity;
a first heat exchange tube bundle; the first heat exchange tube bundle penetrates through the first chamber; the input end of the first heat exchange tube bundle is communicated with the first front water chamber, and the output end of the first heat exchange tube bundle is communicated with the first rear water chamber;
a second heat exchange tube bundle; the second heat exchange tube bundle penetrates through the second chamber; the input end of the second heat exchange tube bundle is communicated with the second front water chamber, and the output end of the second heat exchange tube bundle is communicated with the second rear water chamber;
a water delivery pipe; the input end of the water conveying pipe is communicated with the first rear water chamber, and the output end of the water conveying pipe is communicated with the second rear water chamber; the water delivery pipe is provided with a one-way valve which is used for enabling the first rear water chamber to flow to the second rear water chamber in a one-way circulating cooling water mode.
2. The condenser of claim 1, comprising: a third heat exchange tube bundle and a fourth heat exchange tube bundle;
the third heat exchange tube bundle penetrates through the first chamber; the input end of the third heat exchange tube bundle is communicated with the first front water chamber, and the output end of the third heat exchange tube bundle is communicated with the first rear water chamber;
the fourth heat exchange tube bundle penetrates through the second chamber; the input end of the fourth heat exchange tube bundle is communicated with the second front water chamber, and the output end of the fourth heat exchange tube bundle is communicated with the second rear water chamber.
3. The condenser of claim 2, wherein the first, second, third, and fourth heat exchange tube bundles are straight tubes; the first heat exchange tube bundle, the second heat exchange tube bundle, the third heat exchange tube bundle and the fourth heat exchange tube bundle are arranged in parallel.
4. The condenser of claim 1, wherein the pressure-isolating plate is a steel plate; the volume of the first chamber is consistent with the volume of the second chamber; the thickness of the steel plate is 2 CM.
5. The condenser of claim 1, wherein the first front water chamber and the second front water chamber are located at an upper end of the condenser shell; the first rear water chamber and the second rear water chamber are located at the lower end of the condenser shell.
6. The condenser of claim 1, further comprising: a conduit and a valve body; the valve body is arranged on the pipeline; one end of the pipeline is communicated with the first condensed water discharge port, and the other end of the pipeline is communicated with the second condensed water discharge port.
7. The condenser of claim 6, wherein the valve body is a one-way flow valve for preventing the cooling water in the first chamber from flowing back into the second chamber.
8. The condenser of claim 2, wherein the first heat exchange tube bundle and the third heat exchange tube bundle are respectively provided with a water inlet flow meter and a water inlet temperature detector.
9. The condenser of claim 2, wherein the first heat exchange tube bundle, the second heat exchange tube bundle, the third heat exchange tube bundle, and the fourth heat exchange tube bundle are TP316L steel tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220400213.3U CN216845738U (en) | 2022-02-24 | 2022-02-24 | Condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220400213.3U CN216845738U (en) | 2022-02-24 | 2022-02-24 | Condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216845738U true CN216845738U (en) | 2022-06-28 |
Family
ID=82092488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220400213.3U Active CN216845738U (en) | 2022-02-24 | 2022-02-24 | Condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216845738U (en) |
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2022
- 2022-02-24 CN CN202220400213.3U patent/CN216845738U/en active Active
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