CN214582580U - Defogging type heat exchange device and thermal generator set - Google Patents
Defogging type heat exchange device and thermal generator set Download PDFInfo
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- CN214582580U CN214582580U CN202120399666.4U CN202120399666U CN214582580U CN 214582580 U CN214582580 U CN 214582580U CN 202120399666 U CN202120399666 U CN 202120399666U CN 214582580 U CN214582580 U CN 214582580U
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Abstract
The utility model discloses a defogging type heat transfer device and thermal generator set contains heat transfer medium import header, heat transfer medium export header, and heat transfer module, heat transfer module's one end and heat transfer medium import header are connected, and heat transfer module's the other end and heat transfer medium export header are connected, are provided with the defogging baffling board among the heat transfer module. The utility model discloses defogging type heat transfer device can effectively get rid of the gypsum rain and the fog drop that carry out from the desulfurizing tower, can avoid heat exchanger deposition, jam, also can play the effect that reduces dust concentration, has good environmental protection effect.
Description
Technical Field
The utility model relates to a technical field is handled to the flue gas, concretely relates to defogging type heat transfer device and thermal generator set.
Background
The wet desulphurization is a desulphurization process commonly adopted in the current thermal power generating units. In the desulfurization process, limestone slurry, ammonia water or seawater and other alkaline absorption liquid are sprayed and washed in a desulfurization tower to remove SO in the flue gas2Absorbed by absorption liquid to remove SO2The purpose of (1). At present, various heat exchange devices arranged behind a desulfurizing tower are applied to two purposes, and firstly, the heat exchange devices are used as a flue gas condenser to cool water vapor in saturated wet flue gas condensed flue gas so as to achieve the purposes of saving water, removing dust and removing colored smoke plume. And the second one is used as a flue gas heater to achieve the effect of removing colored smoke plume by heating wet flue gas. When the smoke condenser is used as a smoke condenser, a large amount of water vapor in the smoke is condensed into small fog drops after the smoke is cooled, and the small fog drops cannot be settled in smoke wind, so that the effects of saving water and removing colored smoke plumes cannot be achieved. When the smoke heater is used as a smoke heater, smoke entering the heater carries a large amount of gypsum rain and fog drops containing dust, and the smoke is heated by the heater and then is bonded on the heat exchange tube, so that the heat exchange effect is reduced, the heat exchanger is seriously blocked, and the normal operation of equipment is influenced. How to remove the fog drops becomes a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiments of the present invention provide a defogging type heat exchanging device and a thermal generator set to solve at least one problem existing in the prior art.
In order to achieve the above object, the embodiment of the present invention provides a technical solution that:
in a first aspect, an embodiment of the present invention provides a defogging type heat exchange device, including: the heat exchange medium inlet header is provided with an inlet pipeline; the heat exchange medium outlet header is provided with an outlet pipeline; one end of the heat exchange module is connected with the heat exchange medium inlet header, the other end of the heat exchange module is connected with the heat exchange medium outlet header, and the heat exchange module is internally provided with a demisting baffle plate.
In an alternative embodiment, the demister baffle is disposed at one or both ends of the heat exchange module.
In an optional implementation mode, the heat exchange module comprises a plurality of rows of tube panels arranged side by side, each row of tube panels comprises a plurality of U-shaped heat exchange tubes, the inlet ends of the U-shaped heat exchange tubes are connected with the heat exchange medium inlet header, and the outlet ends of the U-shaped heat exchange tubes are connected with the heat exchange medium outlet header.
In an alternative embodiment, the demister baffle comprises at least one bent structure, one end of the bent structure passes through one tube gap, the other end of the bent structure passes through the other tube gap, and the tube gap is a gap between two adjacent U-shaped heat exchange tubes of the same row of tube panels.
In an alternative embodiment, the shape of the bending structure comprises a triangle, a trapezoid or a circular arc.
In an alternative embodiment, the number of the demister baffles is at least two, and the at least two demister baffles are arranged in parallel along the direction of the flue gas passing through the heat exchange module.
In an alternative embodiment, any two of the demister baffles are separated by at least one row of tube panels.
In an optional embodiment, the demister heat exchanger further comprises a support frame, the support frame is disposed around the heat exchange module, and the demister baffle is fixedly connected to the support frame.
In an alternative embodiment, the number of heat exchange modules is at least two.
In a second aspect, an embodiment of the present invention provides a thermal generator set, which comprises a desulfurization tower and any one of the above defogging type heat exchange devices, the defogging type heat exchange device set up in the outlet flue of the desulfurization tower.
The utility model discloses defogging type heat exchange device, when using as the heater, can effectively get rid of the gypsum rain and the droplet that carry out from the desulfurizing tower, can avoid heat exchanger deposition, jam, reduce the heat transfer effect, effectively reduce the dust content in the flue gas, have good environmental protection. When the heat exchanger is used as a flue gas condenser, water vapor in flue gas is condensed into fog drops, and the fog drops can be effectively removed by the demisting type heat exchanger, so that good water saving is realized. Because the fog drops contain a large amount of dust, the fog drops can also play a role in reducing the concentration of the dust, and have good environmental protection effect. The demisting baffle plate can enhance the disturbance of the flue gas and increase the heat exchange effect of the flue gas and the heat exchange medium.
Drawings
Other features, objects, and advantages of the disclosure will become apparent from a reading of the following detailed description of non-limiting embodiments which proceeds with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a defogging type heat exchange device provided in the first embodiment of the present invention.
Fig. 2 is a left side view of a defogging heat exchange device according to a first embodiment of the present invention.
Fig. 3 is a cross-sectional view taken along line a-a in fig. 2.
The reference numbers in the drawings are as follows:
1. a heat exchange medium inlet header; 2. a heat exchange medium outlet header; 3. an inlet duct; 4. an outlet conduit; 5. a heat exchange module; 6. a U-shaped heat exchange tube; 7. a demisting baffle plate; 7-1, a bending structure; 8. a support frame; 9. and (4) tube panels.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the drawings and specific embodiments. Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with the details as set forth in the claims below.
Example one
The embodiment of the utility model discloses a demisting type heat exchange device, as shown in figures 1-3, which comprises a heat exchange medium inlet header 1, wherein an inlet pipeline 3 is arranged on the heat exchange medium inlet header 1; the heat exchange medium outlet header 2 is provided with an outlet pipeline 4; the heat exchange module 5, the one end and the heat transfer medium import header 1 of heat exchange module 5 are connected, and the other end and the heat transfer medium export header 2 of heat exchange module 5 are connected, are provided with defogging baffling board 7 in the heat exchange module 5.
In an embodiment of the disclosure, the heat exchange medium comprises liquid water, water vapor, and air. The inlet pipeline is used for connecting a heat exchange medium, and the outlet pipeline is used for outputting the heat exchange medium. The number of the heat exchange modules 5 is at least two, and the specific number can be selected by comprehensively considering the cost, the defogging effect and the like.
In the embodiment of the disclosure, the demisting type heat exchange device may be disposed at an outlet pipeline of the desulfurization tower, and the desulfurization flue gas passes through a heat exchange module of the demisting type heat exchange device. When a heat medium is introduced into the heat exchange module 5 from the heat exchange medium inlet header 1, the heat exchange module 5 can effectively remove gypsum rain and fog drops carried out by the flue gas from the desulfurizing tower, and effectively reduce the dust content in the flue gas. When cold medium is introduced into the heat exchange module 5 from the heat exchange medium inlet header 1, the heat exchange module 5 can condense water vapor in the flue gas into fog drops, and the demisting type heat exchange device can effectively remove the fog drops, so that water is saved. The droplets contain a large amount of dust, and therefore, the droplets can also reduce the concentration of the dust.
In the embodiment of the present disclosure, the heat exchange module 5 includes a plurality of rows of tube panels 9 arranged side by side, each row of tube panels 9 includes a plurality of U-shaped heat exchange tubes 6, the inlet ends of the U-shaped heat exchange tubes 6 are connected to the heat exchange medium inlet header 1, and the outlet ends of the U-shaped heat exchange tubes 6 are connected to the heat exchange medium outlet header 2. The U-shaped heat exchange tubes in each tube panel are arranged along the same central line and the same vertical plane, and each tube panel 9 is U-shaped as a whole.
In the embodiment of the disclosure, the U-shaped heat exchange tube is an acid corrosion resistant heat exchange tube.
In the embodiment of the present disclosure, the heat exchange module 5 includes a plurality of rows of U-shaped tube panels 9, so that the heat exchange module 5 is U-shaped as a whole. One end of the U-shaped heat exchange module is connected with the heat exchange medium inlet header 1, the other end of the U-shaped heat exchange module is connected with the heat exchange medium outlet header 2, and the demisting baffle plates 7 are arranged at one end or two ends of the U-shaped heat exchange module.
In the embodiment of the present disclosure, the number of the demister baffles 7 is at least two, and the at least two demister baffles 7 are arranged in parallel along the direction of the flue gas passing through the heat exchange module 5. The demisting baffle plate can enhance the disturbance of the flue gas and increase the heat exchange effect of the flue gas and the heat exchange medium.
In the disclosed embodiment, demister baffle 7 comprises at least one bend 7-1, one end of bend 7-1 passing through one inter-tube gap and the other end of bend 7-1 passing through the other inter-tube gap. The inter-tube gap is a gap between two adjacent U-shaped heat exchange tubes of the same tube panel 9. As shown in fig. 3, the defogging baffle plate 7 includes a plurality of bending structures 7-1, two inter-tube gaps are formed by every three adjacent U-shaped tubes, two ends of the bending structures 7-1 respectively penetrate through the two inter-tube gaps, and the two inter-tube gaps, through which the two ends of the bending structures 7-1 respectively penetrate, are inter-tube gaps of the same row of tube panels.
In addition, a plurality of U-shaped pipes can be arranged between the two pipe gaps through which the two ends of the bending structure 7-1 respectively penetrate.
In the disclosed embodiment, the shape of the bending structure 7-1 includes a triangle, a trapezoid, or a circular arc, preferably a circular arc.
In the disclosed embodiment, two demister baffles 7 are separated by at least one row of tube panels 9.
In the embodiment of the present disclosure, the defogging type heat exchange device further includes a supporting frame 8, the supporting frame 8 is disposed around the heat exchange module 5, and the defogging baffle 7 is fixedly connected to the supporting frame 8.
The working principle is as follows: referring to fig. 1, 2 and 3, heat exchange flue gas passes through the acid corrosion resistant U-shaped heat exchange tube 6 to exchange heat with a medium in the heat exchange tube. The heat exchange medium enters the corrosion-resistant U-shaped heat exchange tube 6 through the heat exchange medium inlet header 1 and then exits from the heat exchange medium outlet header 2. A demisting baffle plate 7 is arranged between the acid corrosion resistant U-shaped heat exchange tubes 6.
Example two
The embodiment of the disclosure relates to a thermal generator set, which comprises a desulfurizing tower and a demisting type heat exchange device, wherein the demisting type heat exchange device is arranged on an outlet flue of the desulfurizing tower.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A defogging heat exchanger device, comprising:
the heat exchange medium inlet header is provided with an inlet pipeline;
the heat exchange medium outlet header is provided with an outlet pipeline;
one end of the heat exchange module is connected with the heat exchange medium inlet header, the other end of the heat exchange module is connected with the heat exchange medium outlet header, and the heat exchange module is internally provided with a demisting baffle plate.
2. The demisting heat exchange device as set forth in claim 1 wherein the demisting baffles are disposed at one or both ends of the heat exchange module.
3. The demisting heat exchange device according to claim 1, wherein the heat exchange modules comprise a plurality of rows of tube panels arranged side by side, each row of tube panels comprises a plurality of U-shaped heat exchange tubes, inlet ends of the U-shaped heat exchange tubes are connected to the heat exchange medium inlet header, and outlet ends of the U-shaped heat exchange tubes are connected to the heat exchange medium outlet header.
4. The demisting heat exchange device as set forth in claim 3 wherein the demisting baffle includes at least one bend, one end of the bend passing through one of the tube spaces and the other end of the bend passing through the other of the tube spaces, the tube space being a space between two adjacent U-shaped heat exchange tubes of the same row of tube panels.
5. The defogging heat exchange device of claim 4, wherein the shape of the folded structure comprises a triangle, trapezoid or arc.
6. The demisting heat exchange device according to claim 4, wherein the number of the demisting baffles is at least two, and the at least two demisting baffles are arranged in parallel along the direction of the flue gas passing through the heat exchange module.
7. The demisting heat exchange unit according to claim 6 wherein at least one row of tube panels is spaced between any two of the demisting baffles.
8. The demisting heat exchange device as set forth in claim 1 further comprising a support frame disposed about the heat exchange modules, the demisting baffles being fixedly attached to the support frame.
9. The defogging type heat exchange device according to claim 1, wherein the number of said heat exchange modules is at least two.
10. A thermal power generating set, comprising a desulfurization tower and the defogging type heat exchange device according to any one of claims 1 to 9, wherein the defogging type heat exchange device is arranged on an outlet flue of the desulfurization tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399666.4U CN214582580U (en) | 2021-02-23 | 2021-02-23 | Defogging type heat exchange device and thermal generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399666.4U CN214582580U (en) | 2021-02-23 | 2021-02-23 | Defogging type heat exchange device and thermal generator set |
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| Publication Number | Publication Date |
|---|---|
| CN214582580U true CN214582580U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120399666.4U Active CN214582580U (en) | 2021-02-23 | 2021-02-23 | Defogging type heat exchange device and thermal generator set |
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| CN (1) | CN214582580U (en) |
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2021
- 2021-02-23 CN CN202120399666.4U patent/CN214582580U/en active Active
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