CN211659329U - Absorption tower foam drying device - Google Patents
Absorption tower foam drying device Download PDFInfo
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- CN211659329U CN211659329U CN201922178013.9U CN201922178013U CN211659329U CN 211659329 U CN211659329 U CN 211659329U CN 201922178013 U CN201922178013 U CN 201922178013U CN 211659329 U CN211659329 U CN 211659329U
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- absorption tower
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- conveying device
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Abstract
The utility model discloses an absorption tower foam drying treatment device, which comprises an overflow pipe fixed on an overflow port of an absorption tower body, wherein a downward-inclined uniform distribution plate is arranged below a pipe orifice of the overflow pipe, and a belt conveying device is arranged below the bottom end of the uniform distribution plate; a heating device is arranged below the process belt of the belt conveying device; be equipped with the shovel board in belt conveyor's discharge end below, the cutting edge of shovel board and belt conveyor's belt surface contact, the advantage: foam slurry on the belt is dried and eliminated through the heating device, so that a defoaming agent is not used any more, and the quality of the slurry is improved.
Description
The technical field is as follows:
the utility model relates to an absorption tower purifies technical field, concretely relates to absorption tower foam drying process device.
Background art:
at present, a limestone-gypsum method is a wet desulphurization method which is widely used in the thermal power industry, has mature technology and high desulphurization rate, and an absorption tower is used as the most important reaction equipment in wet desulphurization, and the internal gypsum slurry state is complex in the operation process. Factors such as the influence of water in the slurry on the surface tension of the slurry, the disturbance of the input of a stirrer and a circulating pump on the slurry, the blowing of oxidizing air, ultrafine particles carried in the slurry after dust removal by a bag-type dust remover and the like can cause the gypsum slurry to generate a large amount of bubbles to form foam, and the foaming of the gypsum slurry in an absorption tower is a common problem in the operation of various desulfurization devices. The generation of a large amount of foam on the liquid surface of the tower forms a virtual high liquid level, which is very easy to cause that the foam-containing liquid flows back to the flue at the inlet of the absorption tower, so that the flue is corroded and damaged, and the desulfurization production is seriously influenced.
At present, the main means for eliminating the liquid surface foam of the absorption tower is to add a defoaming agent into the tower, but the defoaming agent is an organic chemical product, so that the operation cost is increased and the quality of the slurry is reduced after long-term use, and secondly, foam is drained through an overflow pipe, so that the foam slurry can be prevented from being poured back to a flue at the inlet of the absorption tower, but the slurry overflowing out can still return to the absorption tower and be repeatedly circulated, and the quality of the slurry is still reduced.
The utility model has the following contents:
an object of the utility model is to provide an absorption tower foam drying process device.
The utility model discloses by following technical scheme implement:
an absorption tower foam drying treatment device comprises an overflow pipe fixed on an overflow port of an absorption tower body, wherein a downward-inclined uniform distribution plate is arranged below a pipe orifice of the overflow pipe, and a belt conveying device is arranged below the bottom end of the uniform distribution plate;
a heating device is arranged below the process belt of the belt conveying device;
a shovel plate is arranged below the discharging end of the belt conveying device, and a cutting edge of the shovel plate is in surface contact with the belt of the belt conveying device.
Preferably, the uniform distribution plates are rotatably arranged on supporting plates vertically fixed on two sides of the top of the rack; the telescopic cylinder is arranged between the supporting plate and the side edge of the uniform distribution plate, the cylinder body of the telescopic cylinder is hinged to the supporting plate, and the top end of the piston rod of the telescopic cylinder is hinged to the bottom surface of the uniform distribution plate.
Preferably, the heating device is a hot air blower, and an air outlet of the hot air blower faces the bottom surface of the process belt of the belt conveying device.
Preferably, the heating device is a heating water jacket; the bottom surface of the progress belt is in frictional contact with the surface of the heating water jacket; the heating water jacket is connected with the waste heat boiler through a pipeline; and the smoke inlet of the waste heat boiler is arranged on the smoke inlet or the smoke outlet of the absorption tower body.
Preferably, a cover is arranged above the belt conveying device.
Preferably, the side wall of the cover body corresponding to the uniform distribution plate is provided with an observation window.
The utility model has the advantages that: the foam slurry on the belt is dried and eliminated through the heating device, so that the foam slurry can be prevented from flowing back to a flue at the inlet of the absorption tower, the slurry is prevented from returning to the absorption tower, a defoaming agent is not used any more, and the quality of the slurry is improved; the shovel plate is utilized to shovel off the dried solid foam slurry, and the dried solid foam slurry can be recycled without waste; can make the foam slurry evenly spread on belt conveyor through the equipartition board, increase and belt conveyor's belt area of contact reduce foam slurry thickness, do benefit to the heating and dry to the velocity of flow of the adjustable foam slurry of equipartition board promotes the efficiency of heating and drying.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention in embodiment 1;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a schematic view of the overall structure of the present invention in embodiment 2.
In the figure: absorption tower body 1, overflow pipe 2, equipartition board 3, belt conveyor 4, heating device 5, shovel board 6, backup pad 7, telescoping cylinder 8, air heater 9, heating jacket 10, exhaust-heat boiler 11, the cover body 12, observation window 13.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 and 2, an absorption tower foam drying treatment device comprises an overflow pipe 2 fixed on an overflow port of an absorption tower body 1, a downward-inclined uniform distribution plate 3 arranged below a pipe orifice of the overflow pipe 2, and a belt conveying device 4 arranged below the bottom end of the uniform distribution plate 3;
a heating device 5 is arranged below the process belt of the belt conveying device 4;
a shovel plate 6 is arranged below the discharging end of the belt conveying device 4, and a blade of the shovel plate 6 is in surface contact with the belt of the belt conveying device 4.
The foam slurry from the overflow pipe 2 flows to the uniform distribution plate 3 and is spread on the belt conveying device 4 through the uniform distribution plate 3. Belt conveyor 4 is at the in-process of carrying the foam thick liquid, through heating device 5 with heat transfer to the belt face on, makes the foam thick liquid dry, eliminates the foam, can prevent that the foam thick liquid from flowing backward to absorption tower body 1 entry flue, also avoids the thick liquid to get back to absorption tower body 1, no longer uses the defoaming agent, promotes the quality of thick liquid. The foam slurry is dried to become solid, and is shoveled down by the shovel plate 6 in the process of moving along with the belt conveyor 4, and other conveying equipment can be arranged below the discharging end of the belt conveyor 4, so that the foam slurry dried to be solid can be conveniently recycled.
The uniform distribution plate 3 is rotatably arranged on a support plate 7 which is vertically fixed on two sides of the top of the rack; a telescopic cylinder 8 is arranged between the supporting plate 7 and the side edge of the uniform distribution plate 3, a cylinder body of the telescopic cylinder 8 is hinged with the supporting plate 7, and the top end of a piston rod of the telescopic cylinder 8 is hinged with the bottom surface of the uniform distribution plate 3. Through the flexible of 8 piston rods of telescoping cylinder for equipartition board 3 can the tilting adjustment, and when the foam slurry flow that comes out from overflow pipe 2 was less, control equipartition board 3 was inclined down to 4 direction slants of belt conveyor for the velocity of flow of foam slurry on the equipartition board 3, otherwise, when the foam slurry flow that comes out from overflow pipe 2 was great, control equipartition board 3 was close the horizontality and is slowed down the velocity of flow.
The heating device 5 is a hot air blower 9, and an air outlet of the hot air blower 9 faces the bottom surface of the process belt of the belt conveying device 4. When the heating device 5 is the hot air blower 9, the process belt of the belt conveyor 4 is heated by the hot air blower 9.
A cover 12 is provided above the belt conveyor 4. By arranging the cover body 12, the foam slurry is prevented from splashing outwards, and the heat energy loss can be reduced.
An observation window 13 is arranged on the side wall of the cover body 12 corresponding to the uniform distribution plate 3. The degree of inclination of the distribution plate 3 is observed through the observation window 13.
Example 2:
as shown in fig. 3, an absorption tower foam drying treatment device has the same overall structure as that of embodiment 1, except that the heating device 5 is a heating water jacket 10; the bottom surface of the process belt is in frictional contact with the surface of the heating water jacket 10; the heating water jacket 10 is connected with the exhaust-heat boiler 11 through a pipeline; the smoke inlet of the waste heat boiler 11 is arranged on the smoke inlet or the smoke outlet of the absorption tower body 1.
When the heating device 5 is the heating water jacket 10, the heat exchange water of the waste heat boiler 11 is used as a heat source to heat the heating water jacket 10, and the process belt of the belt conveying device 4 is used for heating. The waste heat boiler 11 is an existing and commonly used apparatus in the art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The device for drying and treating the foam of the absorption tower is characterized by comprising an overflow pipe fixed on an overflow port of an absorption tower body, wherein a downward-inclined uniform distribution plate is arranged below a pipe orifice of the overflow pipe, and a belt conveying device is arranged below the bottom end of the uniform distribution plate;
a heating device is arranged below the process belt of the belt conveying device;
a shovel plate is arranged below the discharging end of the belt conveying device, and a cutting edge of the shovel plate is in surface contact with the belt of the belt conveying device.
2. The absorption tower foam drying treatment device according to claim 1, wherein: the uniform distribution plates are rotatably arranged on supporting plates vertically fixed on two sides of the top of the rack; the telescopic cylinder is arranged between the supporting plate and the side edge of the uniform distribution plate, the cylinder body of the telescopic cylinder is hinged to the supporting plate, and the top end of the piston rod of the telescopic cylinder is hinged to the bottom surface of the uniform distribution plate.
3. The absorption tower foam drying treatment device according to claim 1, wherein: the heating device is an air heater, and an air outlet of the air heater faces to the bottom surface of the process belt of the belt conveying device.
4. The absorption tower foam drying treatment device according to claim 3, wherein: the heating device is a heating water jacket; the bottom surface of the progress belt is in frictional contact with the surface of the heating water jacket; the heating water jacket is connected with the waste heat boiler through a pipeline; and the smoke inlet of the waste heat boiler is arranged on the smoke inlet or the smoke outlet of the absorption tower body.
5. The absorption tower foam drying treatment device according to any one of claims 1 to 4, characterized in that: a cover body is arranged above the belt conveying device.
6. The absorption tower foam drying treatment device according to claim 5, wherein: the side wall of the cover body corresponding to the uniform distribution plate is provided with an observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178013.9U CN211659329U (en) | 2019-12-07 | 2019-12-07 | Absorption tower foam drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922178013.9U CN211659329U (en) | 2019-12-07 | 2019-12-07 | Absorption tower foam drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211659329U true CN211659329U (en) | 2020-10-13 |
Family
ID=72732087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922178013.9U Active CN211659329U (en) | 2019-12-07 | 2019-12-07 | Absorption tower foam drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211659329U (en) |
-
2019
- 2019-12-07 CN CN201922178013.9U patent/CN211659329U/en active Active
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