CN217909761U - Heat exchange heating device utilizing waste heat of desulfurized slurry - Google Patents
Heat exchange heating device utilizing waste heat of desulfurized slurry Download PDFInfo
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- CN217909761U CN217909761U CN202222116891.XU CN202222116891U CN217909761U CN 217909761 U CN217909761 U CN 217909761U CN 202222116891 U CN202222116891 U CN 202222116891U CN 217909761 U CN217909761 U CN 217909761U
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- pipe
- heating
- desulfurizing tower
- water tank
- flue gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The utility model discloses an utilize desulfurization thick liquid waste heat transfer heating system, including desulfurizing tower and heating pipe, the tower wall one side of desulfurizing tower is provided with former flue gas port and induced smoke pipeline respectively, and wherein the induced smoke pipeline other end is connected with the draught fan, the desulfurizing tower bottom is connected with thick liquid output pump, be provided with the stirring rod in the desulfurizing tower, the stirring rod top is provided with the spray thrower, spray thrower one end has the diversion pump through the pipe connection, and the diversion pump other end passes through the pipe connection water tank, be provided with the level gauge in the water tank, the spray thrower top is provided with the heating pipe, be connected with the three-way pipe on the warm water exit tube of heating pipe, three-way pipe one end is connected with the water tank, and is provided with the solenoid valve on this pipe end, the heating pipe top is provided with the defroster, the utility model discloses simple structure has realized the heating of heating pipe promptly, has ensured the abundant storage of make-up water in the desulfurizing tower again, and the clean flue gas of discharging simultaneously is recoverable recycles, and the high-usage.
Description
Technical Field
The utility model relates to a flue gas desulfurization waste heat utilization technical field specifically is an utilize desulfurization thick liquid waste heat transfer heating system.
Background
At present, natural gas or an air source heat pump is adopted in the northern area for heating, the heating cost is too high, natural gas resources are short, a large number of inlets are needed, and the economical efficiency is higher by adopting a coal-fired power plant cogeneration heating mode. The method adopts the desulfurization slurry waste heat utilization slurry heat exchange heating technology, achieves the purposes of saving energy and reducing consumption by using waste heat for heating while reducing the evaporation loss of the desulfurization slurry, and achieves the effects of reducing the temperature, dehumidifying and reducing white smoke of the desulfurization flue gas. The heat exchange and heating by recovering the waste heat of the desulfurization slurry is a low-cost waste heat recycling technology.
The existing heating device using waste heat of desulfurized slurry for heat exchange also has some disadvantages, such as: the cooling of flue gas input port can be fast the sulphur in the flue gas and the thick liquid reaction really, but the water of the heating coil backward flow in the heat exchanger still has the uniform temperature, and the effect of heat transfer is not ideal, for this reason this practicality provides an improved desulfurization thick liquid waste heat transfer heating system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an utilize desulfurization thick liquid waste heat transfer heating system solves the above-mentioned problem that provides.
In order to achieve the above object, the utility model provides a following technical scheme: comprises a desulfurizing tower and a heating pipe,
one side of the tower wall of the desulfurizing tower is respectively provided with a raw flue gas port and a flue gas guiding pipeline, wherein the other end of the flue gas guiding pipeline is connected with an induced draft fan;
the bottom of the desulfurization tower is connected with a slurry output pump;
a stirring rod is arranged in the desulfurizing tower, a sprayer is arranged above the stirring rod, one end of the sprayer is connected with a water diversion pump through a pipe fitting, the other end of the water diversion pump is connected with a water tank through a pipe fitting, and a liquid level device is arranged in the water tank;
the heating pipe is located above the sprayer, a three-way pipe is connected to a heating water outlet pipe of the heating pipe, one end of the three-way pipe is connected with the water tank, and a demister is arranged above the heating pipe.
Preferably, one end of the induced draft fan is connected to a combustion-supporting opening of the boiler through a pipe fitting.
Preferably, one end of the stirring rod is fixedly connected with the driver.
Preferably, the pipe end of the three-way pipe connected with the water tank is connected with an electromagnetic valve.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure has realized the heating of heating pipe promptly, has ensured the abundant storage of make-up water in the desulfurizing tower again, and the while exhaust clean flue gas is recoverable recycles, and the high-usage.
Drawings
Fig. 1 is the schematic view of the structure of the heat exchange and heating device using the waste heat of the desulfurized slurry of the utility model.
In the figure: 1-a desulfurizing tower, 2-a raw flue gas port, 3-a smoke guide pipeline, 4-an induced draft fan, 5-a slurry output pump, 6-a stirring rod, 7-a sprayer, 8-a water guide pump, 9-a water tank, 10-a liquid level device, 11-a warm water inlet pipe, 12-a warm water outlet pipe, 13-a three-way pipe, 14-an electromagnetic valve and 15-a demister.
Detailed Description
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 work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: comprises a desulfurizing tower 1 and a heating pipe,
a raw flue gas port 2 and a smoke guide pipeline 3 are respectively arranged on one side of the tower wall of the desulfurizing tower 1, wherein the other end of the smoke guide pipeline 3 is connected with an induced draft fan 4;
the bottom 1 of the desulfurization tower is connected with a slurry output pump 5;
a stirring rod 6 is arranged in the desulfurizing tower 1, a sprayer 7 is arranged above the stirring rod 6, one end of the sprayer 7 is connected with a water diversion pump 8 through a pipe fitting, the other end of the water diversion pump 8 is connected with a water tank 9 through a pipe fitting, and a liquid level device 10 is arranged in the water tank 9;
the heating pipe is positioned above the sprayer 7, a three-way pipe 13 is connected to a heating water outlet pipe 12 of the heating pipe, one end of the three-way pipe 13 is connected with the water tank 9, and a demister 15 is arranged above the heating pipe.
Further, 4 one ends of draught fans are connected to a combustion-supporting port of the boiler through pipe fittings, the clean flue gas temperature discharged from the desulfurizing tower 1 is about 40-50 ℃, so that the flue gas condensation problem can occur due to the discharge of a chimney, the clean flue gas with high temperature is introduced into the boiler through the draught fans 4 to support combustion, and the condition that the temperature of the boiler is reduced can not be caused.
Further, since the temperature itself inside the desulfurization tower 1 is relatively high, the heating pipe can be continuously heated.
Further, the pipe end of the three-way pipe 13 connected with the water tank 9 is connected with an electromagnetic valve 14, the water tank 9 is used for storing residual temperature liquid of heating reflux, the electromagnetic valve 14 is matched with the liquid level gauge 10 to ensure that the residual temperature liquid in the water tank 9 is sufficient, and the residual temperature liquid containing temperature is sprayed to the desulfurizing tower 1 through the sprayer 7 to improve the diluting effect.
The utility model discloses a theory of operation does: in the use, the former flue gas of boiler gets into behind the desulfurizing tower 1 with the thick liquid reaction, and the heating to inside heating pipe will be realized to former flue gas heat itself and 1 inside accumulative heat of desulfurizing tower, wherein the warm water exit tube 12 of heating pipe will constantly supply water tank 9, supply with spray thrower 7 and use, and spray thrower 7 reaches the neutralization flue gas to spraying of flue gas, and reach the dehydration through defroster 15 at the flue gas, the clean flue gas of final exhaust can be with discharging, and most clean flue gas accessible draught fan 4 introduces the boiler and supports combustion, promote holistic utilization ratio.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides an utilize desulfurization thick liquid waste heat transfer heating system, includes desulfurizing tower (1) and heating pipe, its characterized in that:
a raw flue gas port (2) and a flue gas guiding pipeline (3) are respectively arranged on one side of the tower wall of the desulfurizing tower (1), wherein the other end of the flue gas guiding pipeline (3) is connected with an induced draft fan (4);
the bottom of the desulfurizing tower (1) is connected with a slurry output pump (5);
a stirring rod (6) is arranged in the desulfurizing tower (1), a sprayer (7) is arranged above the stirring rod (6), one end of the sprayer (7) is connected with a water diversion pump (8) through a pipe fitting, the other end of the water diversion pump (8) is connected with a water tank (9) through a pipe fitting, and a liquid level device (10) is arranged in the water tank (9);
the heating pipe is located above the sprayer (7), a three-way pipe (13) is connected to a heating water outlet pipe (12) of the heating pipe, one end of the three-way pipe (13) is connected with the water tank (9), and a demister (15) is arranged above the heating pipe.
2. The heat exchange and heating device utilizing the waste heat of the desulfurized slurry as set forth in claim 1, characterized in that: one end of the induced draft fan (4) is connected with a combustion-supporting opening of the boiler through a pipe fitting.
3. The heating device utilizing waste heat of desulfurized slurry for heat exchange according to claim 1, characterized in that: one end of the stirring rod (6) is fixedly connected with the driver.
4. The heat exchange and heating device utilizing the waste heat of the desulfurized slurry as set forth in claim 1, characterized in that: and the pipe end of the three-way pipe (13) connected with the water tank (9) is connected with an electromagnetic valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222116891.XU CN217909761U (en) | 2022-08-12 | 2022-08-12 | Heat exchange heating device utilizing waste heat of desulfurized slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222116891.XU CN217909761U (en) | 2022-08-12 | 2022-08-12 | Heat exchange heating device utilizing waste heat of desulfurized slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217909761U true CN217909761U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222116891.XU Active CN217909761U (en) | 2022-08-12 | 2022-08-12 | Heat exchange heating device utilizing waste heat of desulfurized slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217909761U (en) |
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2022
- 2022-08-12 CN CN202222116891.XU patent/CN217909761U/en active Active
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