CN210522241U - Slurry condensing device - Google Patents
Slurry condensing device Download PDFInfo
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- CN210522241U CN210522241U CN201921301882.XU CN201921301882U CN210522241U CN 210522241 U CN210522241 U CN 210522241U CN 201921301882 U CN201921301882 U CN 201921301882U CN 210522241 U CN210522241 U CN 210522241U
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Abstract
A slurry condensing device comprises a desulfurization tower, wherein a slurry pool is arranged at the bottom of the desulfurization tower, a normal-temperature evaporation zone is arranged in the desulfurization tower above the top of the slurry pool and consists of three groups of spraying systems, the three groups of spraying systems are communicated with the slurry pool, a low-temperature condensation zone is arranged in the desulfurization tower above the normal-temperature evaporation zone and consists of a low-temperature spraying system, the low-temperature spraying system comprises a heat exchanger, and the low-temperature spraying system is communicated with the slurry pool through the heat exchanger; adopt plate heat exchanger to keep apart between low temperature condensation zone and the normal atmospheric temperature evaporating zone, still be provided with the defroster in the desulfurizing tower of low temperature condensation zone top, the utility model discloses can reduce heat loss and saturated flue gas by a wide margin and carry partial dust, gypsum, droplet etc. and cause environmental pollution's production.
Description
Technical Field
The utility model relates to a thick liquid condensing equipment is applied to the thermal power field.
Background
The smoke discharge problem of thermal power factory is the more concern problem of society, in order to solve the smoke discharge problem, adopts the technical scheme of wet flue gas desulfurization absorption tower among the prior art, but the flue gas forms the saturated flue gas after the washing of desulfurization thick liquid and carries a large amount of vapor direct discharge, causes calorific loss easily, and the saturated flue gas carries partial dust, gypsum, droplet etc. and causes environmental pollution.
Disclosure of Invention
For solving the problem that prior art exists, the utility model provides a slurry condensing device, the device can reduce heat loss and saturated flue gas by a wide margin and carry partial dust, gypsum, droplet etc. and cause environmental pollution's production.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a slurry condensing device comprises a desulfurization tower, wherein a slurry pool is arranged at the bottom of the desulfurization tower, a normal-temperature evaporation zone is arranged in the desulfurization tower above the top of the slurry pool and consists of three groups of spraying systems, the three groups of spraying systems are communicated with the slurry pool, a low-temperature condensation zone is arranged in the desulfurization tower above the normal-temperature evaporation zone and consists of a low-temperature spraying system, the low-temperature spraying system comprises a heat exchanger, and the low-temperature spraying system is communicated with the slurry pool through the heat exchanger; and the low-temperature condensation zone and the normal-temperature evaporation zone are isolated by adopting a plate heat exchanger, and a demister is also arranged in the desulfurizing tower above the low-temperature condensation zone.
Preferably, the three groups of spraying systems in the normal-temperature evaporation zone are arranged at intervals in a stacking mode.
Preferably, a flue gas inlet is formed in the desulfurizing tower below the normal-temperature evaporation zone, and a flue gas outlet is formed in the desulfurizing tower above the demister.
Preferably, a reflux pool is arranged inside the desulfurizing tower below the normal-temperature evaporation zone, and the reflux pool is communicated with the slurry pool.
Preferably, the spraying system in the normal-temperature evaporation zone and the low-temperature spraying system in the low-temperature condensation zone are communicated with the slurry pool through a slurry circulating pump.
Compared with the prior art, the utility model discloses divide into normal atmospheric temperature evaporating zone, low temperature condensation zone, phase transition condensation zone three, the flue gas that gets into desulfurization absorption tower and be in high temperature overheat state passes through normal atmospheric temperature evaporating zone earlier, and the sensible heat transfer of flue gas is for the lower thick liquid of temperature, and the thick liquid temperature risees, and partial liquid water absorbs the gasification latent heat and takes place the phase transition and evaporate wherein to mix with the flue gas and become saturated flue gas; in a low-temperature condensation zone, slurry is cooled by a phase change cooler, then condensed phase change is carried out on the slurry and saturated flue gas treated by a normal-temperature evaporation zone at a lower temperature to be converted into liquid, condensed water is separated out, the humidity of the flue gas is reduced, finally, on the basis of the phase change condensation zone, the principles of phase change condensation, collision condensation and the like are utilized to promote dust particles and fog drops to be condensed and grow, fine fog drops are used as condensation nuclei, the condensation effects of cooling the flue gas and the condensed water vapor and adsorbing the fog drops, dust, gypsum, aerosol (SO 3) and the like can be better played, the water condensation quantity is increased, the particle sizes of pollutant particles such as the fog drops, the dust, the aerosol (SO 3) and the like are increased, the large-particle inertia force and the centrifugal force are large, the removal efficiency of various pollutants can be improved under the action of a demister, and the phenomenon that the flue gas emits white smoke due to the condensation of, the contact area of the desulfurization slurry and the flue gas is increased, the desulfurization and dust removal efficiency is improved, and the effect of double-temperature and double-PH value areas is increased.
Drawings
For further explanation of the present invention, the drawings and embodiments are listed below.
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a schematic view of the cross-sectional structure of the present invention.
Detailed Description
As shown in fig. 1-2, a slurry condensing device comprises a desulfurizing tower 1, wherein a slurry pool 2 is arranged at the bottom of the desulfurizing tower 1, a normal-temperature evaporation zone 3 is arranged in the desulfurizing tower 1 above the top of the slurry pool 2, the normal-temperature evaporation zone 3 consists of three groups of spraying systems, the three groups of spraying systems are communicated with the slurry pool 2, a low-temperature condensation zone 4 is arranged in the desulfurizing tower 1 above the normal-temperature evaporation zone 3, the low-temperature condensation zone 4 consists of a low-temperature spraying system, the low-temperature spraying system comprises a heat exchanger 5, and the low-temperature spraying system is communicated with the slurry pool 2 through the heat exchanger 5; the low-temperature condensation zone 4 and the normal-temperature evaporation zone 3 are isolated by a plate heat exchanger 6, and a demister 7 is further arranged in the desulfurizing tower 1 above the low-temperature condensation zone 4.
Preferably, the three groups of spraying systems in the normal-temperature evaporation zone 3 are arranged at intervals in a laminated manner.
Preferably, a flue gas inlet 8 is arranged on the desulfurizing tower 1 below the normal temperature evaporation zone 3, and a flue gas outlet 9 is arranged on the desulfurizing tower 1 above the demister 7.
Preferably, a reflux pool 10 is arranged inside the desulfurizing tower 1 below the normal-temperature evaporation zone 3, and the reflux pool 10 is communicated with the slurry pool 2.
Preferably, the spraying system in the normal-temperature evaporation zone 3 and the low-temperature spraying system in the low-temperature condensation zone 4 are communicated with the slurry tank 2 through a slurry circulating pump (not shown).
Obviously, the above embodiment is only one example of the present invention, and any simple improvement in the structure or principle provided by the present invention is within the protection scope of the present invention.
Claims (5)
1. A slurry condensing device comprises a desulfurization tower and is characterized in that a slurry pool is arranged at the bottom of the desulfurization tower, a normal-temperature evaporation zone is arranged in the desulfurization tower above the top of the slurry pool and consists of three groups of spraying systems, the three groups of spraying systems are communicated with the slurry pool, a low-temperature condensation zone is arranged in the desulfurization tower above the normal-temperature evaporation zone and consists of a low-temperature spraying system, the low-temperature spraying system comprises a heat exchanger, and the low-temperature spraying system is communicated with the slurry pool through the heat exchanger; and the low-temperature condensation zone and the normal-temperature evaporation zone are isolated by adopting a plate heat exchanger, and a demister is also arranged in the desulfurizing tower above the low-temperature condensation zone.
2. The apparatus of claim 1 wherein the three sets of spray systems in the ambient evaporation zone are spaced in a stacked arrangement.
3. The slurry condensing device according to claim 1, wherein a flue gas inlet is provided on the desulfurizing tower below the normal temperature evaporation zone, and a flue gas outlet is provided on the desulfurizing tower above the demister.
4. The slurry condensing device according to claim 1, wherein a reflux pool is provided inside the desulfurizing tower below the normal temperature evaporation zone, and the reflux pool is communicated with the slurry pool.
5. The slurry condensing device according to claim 1, wherein the spraying system in the normal temperature evaporation zone and the low temperature spraying system in the low temperature condensation zone are communicated with the slurry tank through a slurry circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301882.XU CN210522241U (en) | 2019-08-13 | 2019-08-13 | Slurry condensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301882.XU CN210522241U (en) | 2019-08-13 | 2019-08-13 | Slurry condensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210522241U true CN210522241U (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921301882.XU Active CN210522241U (en) | 2019-08-13 | 2019-08-13 | Slurry condensing device |
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| CN (1) | CN210522241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304115A (en) * | 2020-10-29 | 2021-02-02 | 西安热工研究院有限公司 | Efficient turbulent flow heat exchange device and method capable of achieving condensation and cooling of saturated wet flue gas |
-
2019
- 2019-08-13 CN CN201921301882.XU patent/CN210522241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304115A (en) * | 2020-10-29 | 2021-02-02 | 西安热工研究院有限公司 | Efficient turbulent flow heat exchange device and method capable of achieving condensation and cooling of saturated wet flue gas |
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