CN216745526U - Welded plate type condenser capable of removing non-condensable gas - Google Patents
Welded plate type condenser capable of removing non-condensable gas Download PDFInfo
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- CN216745526U CN216745526U CN202123094864.9U CN202123094864U CN216745526U CN 216745526 U CN216745526 U CN 216745526U CN 202123094864 U CN202123094864 U CN 202123094864U CN 216745526 U CN216745526 U CN 216745526U
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Abstract
A welded plate condenser capable of removing non-condensable gas comprises a heat exchange plate bundle formed by stacking corrugated plates, wherein the heat exchange plate bundle is provided with a flow channel for mutual heat exchange, and a steam inlet and a steam outlet pipe box are arranged at the inlet and the outlet of an upper flow channel and a lower flow channel through a box body; inlet and outlet pipe boxes for cold material flow are arranged at the inlet and outlet of a side runner of the heat exchanger, and each pipe box forms an inlet and an outlet of each medium through a connecting pipe and a flange; and the peripheries of the rest two sides of the heat exchange plate bundle are provided with box plates, and the box plate on one side is provided with a non-condensable gas outlet. The utility model discloses have heat exchange and gas-liquid separation dual function. Through set up noncondensable gas export and liquid droplet baffle at the lime set outlet side, can get rid of noncondensable gas, also can set up noncondensable gas export and liquid droplet baffle at steam inlet side, realize gas-liquid separation, improve heat exchange efficiency.
Description
Technical Field
The utility model belongs to the technical field of heat exchanger design and manufacturing, a can get rid of welding plate condenser of noncondensable gas is related to.
Background
In the fields of petrochemical industry and fine chemical industry, non-condensable gas can be generated in the process, and the heat transfer coefficient is greatly reduced even if the content of the non-condensable gas is very small. When the content of the non-condensable gas in the water vapor is only 0.5%, the heat transfer coefficient is reduced by 50%. Therefore, in the design of the condenser, the non-condensable gas is removed in time, and the non-condensable gas is prevented from accumulating to influence the heat transfer efficiency.
The shell-and-tube condenser has the advantages of low heat exchange efficiency, low condensation speed, complex manufacturing process, high manufacturing cost and large occupied area, so that the shell-and-tube condenser cannot be smoothly applied to enterprises with limited installation space. Meanwhile, the design of a shell-and-tube condenser structure for removing noncondensable gas has technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose provides a novel welded plate condenser structure, aims at solving traditional shell-and-tube heat exchanger and gets rid of the technical problem that noncondensable gas difficulty, heat transfer efficiency hang down.
The utility model discloses the technical scheme who adopts does:
a welded plate condenser capable of removing non-condensable gas comprises a heat exchange plate bundle formed by stacking corrugated plates, wherein the heat exchange plate bundle is provided with a flow channel for mutual heat exchange, and a steam inlet and a steam outlet pipe box are arranged at the inlet and the outlet of an upper flow channel and a lower flow channel through a box body; inlet and outlet pipe boxes for cold material flow are arranged at the inlet and outlet of the side flow channel, and each pipe box forms an inlet and an outlet of each medium through a connecting pipe and a flange; and the peripheries of the rest two sides of the heat exchange plate bundle are provided with box plates, and the box plate on one side is provided with a non-condensable gas outlet.
The non-condensable gas outlet is arranged on a steam outlet side, namely a pipe box at the condensed liquid outlet, and is led out of the box plate through a connecting pipe.
And a liquid drop baffle is arranged at the connecting pipe of the non-condensable gas outlet.
The non-condensable gas outlet is arranged on the pipe box on the steam inlet side and is led out of the box plate through a connecting pipe.
And a liquid drop baffle is arranged at the connecting pipe of the non-condensable gas outlet.
The heat exchange plate bundle comprises a plate bundle I and a plate bundle II, the plate bundle I and the plate bundle II are vertically arranged after being paired, the plate bundle I and the plate bundle II are fixedly connected through an intermediate partition plate, and the intermediate partition plate divides a cold material flow inlet into two heat transfer modules.
The utility model discloses have heat exchange and gas-liquid separation dual function. Through set up noncondensable gas export and liquid droplet baffle at the lime set outlet side, can get rid of noncondensable gas, also can set up noncondensable gas export and liquid droplet baffle at steam inlet side, realize gas-liquid separation, improve heat exchange efficiency.
Drawings
FIG. 1 is an assembly view of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a schematic view of the flow of the heat medium of the present invention;
FIG. 4 is a schematic view of the flow principle of the present invention;
FIG. 5 is a sectional view of the noncondensable liquid outlet of the present invention disposed at the heat medium inlet header;
FIG. 6 is a schematic diagram of the heat transfer flow of the non-condensable fluid outlet at the heat medium outlet according to the present invention;
FIG. 7 is a schematic diagram of the heat transfer flow of the non-condensable fluid outlet of the present invention at the heat medium inlet;
numbering in the figures: 1. the device comprises a box body, 2 heat exchange plate bundles I, 3 heat exchange plate bundles II, 4 intermediate partition boards, 5 steam inlet flanges, 6 condensate outlet flanges, 7 non-condensable gas outlet flanges, 8 cold material flow inlet flanges I, 9 cold material flow inlet flanges II, 10 cold material flow outlet flanges I, 11 cold material flow outlet flanges II, 12 liquid drop baffles, a liquid drop baffle and a liquid drop baffle, wherein the box body is provided with a plurality of heat exchange plate bundles I, 3, heat exchange plate bundles II, 4 and intermediate partition boards;
1001. the system comprises a steam inlet connecting pipe 1002, a condensate outlet connecting pipe 1003, a non-condensable gas outlet connecting pipe 2001, a cold material flow inlet connecting pipe I, a cold material flow inlet connecting pipe 2002, a cold material flow inlet connecting pipe II, a cold material flow outlet connecting pipe 2003, a cold material flow outlet connecting pipe I, a cold material flow outlet connecting pipe 2004, a steam inlet pipe box 101, a steam inlet pipe box 102, a condensate outlet pipe box 201, a cold material flow inlet pipe box 202, a cold material flow outlet pipe box A, steam-condensate, B, cold material flow and C, non-condensable gas.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
Example 1 is described by taking a single heat exchange plate bundle as an example. As shown in fig. 1 and 2, the welded plate condenser capable of removing non-condensable gas comprises a box body 1, a steam inlet pipe box 101, a condensed liquid outlet pipe box 102, a cold material flow inlet pipe box 201, a cold material flow outlet pipe box 202, wherein steam enters from the inlet pipe box 101 and passes through a heat exchange plate bundle and is discharged from the condensed liquid pipe box 102, the non-condensable gas is discharged from a non-condensable gas outlet under the action of a liquid drop baffle, and the cold material flow enters from the pipe box 201 and passes through the heat exchange plate bundle and is discharged from the cold material flow outlet pipe box 202.
The steam inlet pipe box 101 forms a steam inlet through a steam inlet connecting pipe 1001 and a flange 5; then the steam flows out of a condensate outlet formed by the condensate outlet pipe box 102, the condensate outlet connecting pipe 1002 and the flange 6 after heat exchange of the heat exchange plate bundle.
The cold material flow inlet pipe box 201 forms a cold material flow inlet through a connecting pipe and a flange, and then the cold material flow flows out of the cold material flow outlet pipe box 202 and a cold material flow outlet formed by the connecting pipe and the flange after heat exchange between the cold material flow and the heat exchange plate bundle.
Referring to fig. 1, 2, 3 and 6, the non-condensable gas outlet is arranged on a steam outlet side, namely, a pipe box 102 at a condensate outlet, and is led out of the box plate through a connecting pipe. Ensure the discharge of the non-condensable gas and prevent the generation of the non-condensable gas from reducing the heat transfer coefficient.
And a liquid drop outlet baffle 12 is arranged at the joint pipe of the non-condensable gas outlet to ensure gas-liquid separation.
Referring to fig. 4, 5 and 7, the noncondensable gas outlet is provided on the steam inlet side header, and is led out of the header plate through a connection pipe.
Steam gets into steam pipe case 101 after, carries out the heat transfer after getting into the whole board, and the lime set flows out from the lime set case, and noncondensable gas flows upwards through the board bundle, gets into steam pipe case, is equipped with liquid drop baffle 12 on steam pipe case left side, flows from noncondensable gas export, guarantees the heat transfer effect.
A liquid drop outlet self-baffle 12 is arranged at the joint pipe of the non-condensable gas outlet. One end of the liquid drop outlet baffle is welded with the steam inlet pipe box, and the other end of the liquid drop outlet baffle is connected with the heat exchange plate bundle so as to divide the steam inlet pipe box into two independent parts, thereby ensuring that steam cannot flow out from the non-condensable gas outlet when entering and ensuring that the steam completely passes through the plate bundle.
As shown in fig. 6 and 7, the positions and medium flow directions of two types of liquid drop baffles are shown, the first type of arrangement is that the liquid drop baffles are placed at the outlet of a condensing pipe box and are directly welded with the pipe box to ensure the heat exchange effect, and the second type is that the liquid drop baffles are placed at a steam outlet, the lower parts of the baffles are welded with plates to isolate steam and ensure the discharge of non-condensable gas.
Example 2, a double heat exchange plate bundle is exemplified. As shown in fig. 2, based on embodiment 1, the heat exchange plate bundle includes a plate bundle i and a plate bundle ii, the plate bundle i and the plate bundle ii are vertically arranged after being paired, and are welded and fixed by an intermediate partition plate 4, and the intermediate partition plate 4 divides the cold material flow two inlets into two heat transfer modules. Realize the heat exchange of multiple flows.
The specific heat transfer process is as follows:
the steam flows into the pipe box 101 from the connecting pipe 1001 and then respectively enters the plate bundle I and the plate bundle II, the steam enters the outlet pipe box 102 and flows out from the connecting pipe 1002, and the non-condensable gas is discharged from the non-condensable gas outlet connecting pipe 1003 through the action of a liquid drop baffle. The cold material flows in from the connecting pipes 2001, 2002, enters the pipe box 201 and is communicated with the plate bundle I and the plate bundle II, and flows through the plate bundle I and the plate bundle II, enters the pipe box 202 and flows out from the connecting pipes 2003, 2004. The tube box 101, the plate bundle I, the plate bundle II and the tube box 102 form a steam heat exchange channel, and the tube box 201, the plate bundle I, the plate bundle II and the tube box 202 form a cold material flow channel which is not interfered with each other.
The utility model discloses a working process:
as shown in fig. 3, after entering the steam channel 101, the steam flows downward through the channel, passes through the plate bundle i and the plate bundle ii, flows in a vertical direction, passes through the plate bundle to transfer heat with the cold stream, forms condensate, and flows out from the condensate outlet channel 102. The non-condensable gas flows out from a non-condensable gas outlet through a liquid drop baffle plate 12 at the lower part, a non-condensable gas outlet connecting pipe 1003 and a flange 7 are arranged at a condensed liquid outlet pipe box 102, and the outlet connecting pipe is arranged on the side edge of the pipe box.
The cold material flow enters the tube box 201, enters the plate bundle I and the plate bundle II through the tube box, exchanges heat in the plate bundle I and the plate bundle II, passes through the plate bundle I and the plate bundle II, circulates in the cold material flow outlet tube box 202, and flows out from the cold material flow outlet connecting tubes 2003 and 2004 and the cold material flow outlet flanges 10 and 11. And the cold material flow side inlet and the cold material flow outlet adopt double-pipe-mouth runners, so that the heat exchange requirement is met.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a can get rid of welding plate condenser of noncondensable gas which characterized in that: the heat exchange plate bundle comprises a heat exchange plate bundle formed by stacking corrugated plates, wherein the heat exchange plate bundle is provided with a flow channel for mutual heat exchange, and a steam inlet pipe box and a steam outlet pipe box are arranged at the inlet and the outlet of the upper flow channel and the lower flow channel through box bodies; inlet and outlet pipe boxes for cold material flow are arranged at the inlet and outlet of a side runner of the heat exchanger, and each pipe box forms an inlet and an outlet of each medium through a connecting pipe and a flange; and the peripheries of the rest two sides of the heat exchange plate bundle are provided with box plates, and the box plate on one side is provided with a non-condensable gas outlet.
2. The welded plate condenser capable of removing non-condensable gases as claimed in claim 1, wherein the non-condensable gas outlet is provided on a steam outlet side, i.e., a header tank at a condensate outlet, and is led out of the tank plate through a connecting pipe.
3. The condenser of claim 2, wherein a droplet baffle is disposed at the connection pipe of the non-condensable gas outlet.
4. The condenser of claim 1, wherein the non-condensable gas outlet is provided at the steam inlet side of the tube box and is led out of the plate of the tube box through a connecting tube.
5. The condenser of claim 4, wherein a droplet baffle is disposed at the connection pipe of the non-condensable gas outlet.
6. The welded plate condenser capable of discharging non-condensable gas as claimed in claim 1, wherein the heat exchange plate bundle comprises a plate bundle I and a plate bundle II, the plate bundle I and the plate bundle II are vertically arranged in a rear group and fixedly connected with each other through an intermediate partition plate, and the intermediate partition plate divides a cold material flow inlet into two heat transfer modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123094864.9U CN216745526U (en) | 2021-12-10 | 2021-12-10 | Welded plate type condenser capable of removing non-condensable gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123094864.9U CN216745526U (en) | 2021-12-10 | 2021-12-10 | Welded plate type condenser capable of removing non-condensable gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216745526U true CN216745526U (en) | 2022-06-14 |
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ID=81933109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123094864.9U Active CN216745526U (en) | 2021-12-10 | 2021-12-10 | Welded plate type condenser capable of removing non-condensable gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216745526U (en) |
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2021
- 2021-12-10 CN CN202123094864.9U patent/CN216745526U/en active Active
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