CN217139883U - High-temperature flue gas dewatering device - Google Patents
High-temperature flue gas dewatering device Download PDFInfo
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- CN217139883U CN217139883U CN202220280610.1U CN202220280610U CN217139883U CN 217139883 U CN217139883 U CN 217139883U CN 202220280610 U CN202220280610 U CN 202220280610U CN 217139883 U CN217139883 U CN 217139883U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model relates to a high temperature furnace kiln technology flue gas handles technical field, concretely relates to high temperature flue gas dewatering device. The device is characterized in that a plurality of heat exchange mechanisms are distributed in a high-temperature flue gas channel, the plurality of heat exchange mechanisms are distributed in the high-temperature flue gas channel, each heat exchange mechanism comprises a heat exchange pipe and a water inlet pipe, the heat exchange pipes and the water inlet pipes are of sleeve pipe structures, and the top of each heat exchange pipe is connected with a water return pipeline and communicated with the water return pipeline; the top of inlet tube passes the return water pipeline and is connected to the inlet channel, and communicates with each other with the inlet channel, and the inlet tube cover is established in the heat exchange tube, and the bottom of inlet tube is open structure, communicates with each other with the heat exchange tube. The utility model discloses at high temperature flue gas exhaust in-process, the in-process that water flows back to return water pipe from the heat exchange tube, the surface interact of high temperature flue gas and heat exchange tube, vapor condensation flows for water from the comdenstion water export, has reduced the vapor concentration in the flue gas, prevents ponding, long-pending mud in the flue gas pipeline, equipment such as corrosion damage dust collecting facility.
Description
Technical Field
The utility model relates to a high temperature kiln technology flue gas handles technical field, concretely relates to high temperature flue gas dewatering device.
Background
In the industrial production processes of metallurgy, cement, electric power, chemical industry, mechanical manufacturing and the like, a large amount of high-temperature flue gas can be discharged. The high-temperature flue gas has high temperature, complex components, large flue gas amount, and large fluctuation of the temperature and the flue gas amount of the flue gas, and the flue gas amount generated by the equipment is large along with the development of large-scale process equipment.
In the prior art, after the process flue gas of a common industrial high-temperature kiln is discharged, cooling and dust removal are required. Because the process flue gas contains high-concentration water vapor, the conditions of water accumulation and mud accumulation in the flue gas pipeline often occur after the water vapor is condensed into liquid water, and equipment such as dust collection facilities and the like can be corroded and damaged.
Disclosure of Invention
The utility model discloses a solve industry high temperature furnace kiln technology flue gas discharge back, the water vapor condensation becomes liquid water, makes ponding, long-pending mud in the flue gas pipeline to and the problem of equipment corrosion damage such as facility of gathering dust, provide a high temperature flue gas dewatering device, the condensation is rivers outlet pipe when making high temperature flue gas discharge in the pipeline, avoids ponding, long-pending mud in the flue gas pipeline, equipment corrosion damage such as facility of gathering dust.
In order to realize the purpose, the technical scheme of the utility model is that: a high-temperature flue gas dehydration device comprises a water collecting tank, a circulating water pump and a high-temperature flue gas channel, wherein a water outlet pipe of the water collecting tank is connected with a water inlet pipeline through the circulating water pump, and the water collecting tank is also connected with a water return pipeline; a plurality of round holes are formed in the top of the high-temperature flue gas channel, a plurality of condensate water outlets are correspondingly formed in the bottom of the high-temperature flue gas channel, a flow guide cover is installed at the condensate water outlet, the flow guide cover is connected with a water seal bent pipe, and the water seal bent pipe is of an S-shaped structure. The water is injected into the elbow at the bottom of the water seal elbow, so that the device can be prevented from discharging the flue gas from a condensate outlet to pollute the air when the high-temperature flue gas is condensed and dehydrated.
A plurality of heat exchange mechanisms are distributed in the high-temperature flue gas channel, each heat exchange mechanism comprises a heat exchange pipe and a water inlet pipe, the heat exchange pipes and the water inlet pipes are of sleeve structures, and the top of each heat exchange pipe is connected with and communicated with the water return pipeline; the top of the water inlet pipe penetrates through the water return pipeline to be connected to the water inlet pipeline and communicated with the water inlet pipeline, the water inlet pipe is sleeved in the heat exchange pipe, and the bottom of the water inlet pipe is of an opening structure and communicated with the heat exchange pipe. The heat exchange mechanism is arranged in the high-temperature flue gas channel, so that water vapor in the flue gas can be condensed into water, and the concentration of the water vapor in the flue gas is reduced.
The heat exchange tube penetrates through the top surface of the high-temperature flue gas channel and extends into the high-temperature flue gas channel, and the bottom of the heat exchange tube penetrates through the condensed water outlet and then extends into the flow guide cover; the heat exchange tube is fixedly connected with the top of the high-temperature flue gas channel.
Furthermore, a connecting pipe is installed in a round hole formed in the top of the high-temperature flue gas channel, a second flange is installed at the top of the connecting pipe, a first flange is installed on the upper portion of the heat exchange pipe, the heat exchange pipe is sleeved in the connecting pipe, and the heat exchange pipe is fixedly connected with the connecting pipe through the matching of the first flange and the second flange. The use of first flange and second flange can make heat exchange tube and connecting pipe fixed, prevents to flow back the in-process of return water pipe at water, and the heat exchange tube receives the influence of gravity for a long time, and the heat exchange tube produces the crack with the junction of inlet channel.
Furthermore, a collecting tank is arranged below the water outlet of the water seal elbow, a drain pipe is arranged at the bottom elbow of the water seal elbow, and a valve is arranged on the drain pipe. The collecting tank can collect the condensed water discharged from the water seal elbow.
Furthermore, a buffer groove is arranged above the heat exchange tube, and a gap exists between the water inlet tube and the bottom of the heat exchange tube.
Furthermore, a water inlet conduit is connected to the water collecting tank. Water can be injected into the sump through the conduit.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a heat transfer mechanism installs in high temperature flue gas passageway, at high temperature flue gas exhaust in-process, to input water in the inlet tube, the in-process that water flows back the return water pipeline from the heat exchange tube, the surface interact of high temperature flue gas and heat exchange tube, vapor condensation flows for water from the comdenstion water export, has reduced the vapor concentration in the flue gas, has prevented equipment such as ponding, long-pending mud, corrosion damage dust collecting facility in the flue gas pipeline.
The utility model discloses a heat transfer mechanism is sleeve pipe structure, and water flows into behind the inlet tube from the pipeline, and under the effect of pressure, water upwards flows back from the heat exchange tube bottom, in the return water pipe flows into the header tank, can make the water used repeatedly in the header tank.
The utility model discloses water to the steam condensation flows into the water seal return bend along the outer wall of heat exchange tube from the comdenstion water outlet, flows into the collecting pit behind the water seal return bend, and the blow off pipe can discharge long-time accumulation in sewage and long-pending mud of water seal return bend elbow department.
The utility model discloses the water seal return bend is "S" font structure, and at water seal return bend bottom elbow department injected water, can avoid this device when having carried out the condensation dehydration to high temperature flue gas, the flue gas is discharged from the comdenstion water export, contaminated air.
Drawings
FIG. 1 is a schematic structural view of a high-temperature flue gas dehydration device of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
The reference numbers in the figures are: 1 is high temperature flue gas passageway, 2 is the header tank, 3 is the comdenstion water export, 4 is the heat exchange tube, 5 inlet tubes, 6 is the kuppe, 7 is the water seal return bend, 8 is the collecting pit, 9 is the blow off pipe, 10 is circulating water pump, 11 is the pipe of intaking, 13 is the inlet channel, 14 is the return water pipeline, 15 is the valve, 16 is the connecting pipe, 17 is first flange, 18 is the second flange, 19 is the dashpot.
Detailed Description
The invention will be further explained with reference to the drawings and the detailed description below:
as shown in fig. 1 to 3, a high-temperature flue gas dehydration device comprises a water collection tank 2, a circulating water pump 10 and a high-temperature flue gas channel 1, wherein a water outlet pipe of the water collection tank 2 is connected with a water inlet pipeline 13 through the circulating water pump 10, and the water collection tank 2 is also connected with a water return pipeline 14; a plurality of round holes are formed in the top of the high-temperature flue gas channel 1, a plurality of condensate water outlets 3 are correspondingly formed in the bottom of the high-temperature flue gas channel, a guide cover 6 is installed at the position of each condensate water outlet 3, the guide cover 6 is connected with a water seal bent pipe 7, and the water seal bent pipe 7 is of an S-shaped structure. The air guide sleeve 6 is of a funnel structure, and the air guide sleeve 6 is installed at the bottom of the high-temperature flue gas channel 1 and is hermetically connected with the high-temperature flue gas channel 1.
A plurality of heat exchange mechanisms are distributed in the high-temperature flue gas channel 1, each heat exchange mechanism comprises a heat exchange tube 4 and a water inlet tube 5, the heat exchange tubes 4 and the water inlet tubes 5 are of a sleeve structure, and the tops of the heat exchange tubes 4 are connected with the water return pipeline 14 and are communicated with the water return pipeline 14; the top of inlet tube 5 passes return water pipe 14 and is connected to inlet channel 13, and communicates with each other with inlet channel 13, and 5 covers of inlet tube are established in heat exchange tube 4, and the bottom of inlet tube 5 is open structure, communicates with each other with heat exchange tube 4, and the top of inlet tube 5 is the funnel structure, is convenient for water to flow into in the inlet tube 5 from inlet channel 13. And (2) opening the circulating water pump 10, enabling water to enter the water inlet pipeline 13 from the water collecting tank 2 and then flow into the water inlet pipe 5, enabling the water to flow back upwards from the bottom of the heat exchange pipe 4 under the action of pressure, and condensing the high-temperature flue gas into water on the outer surface of the heat exchange pipe 4 in the backflow process.
The heat exchange tube 4 penetrates through the top surface of the high-temperature flue gas channel 1 and extends into the high-temperature flue gas channel 1, and the bottom of the heat exchange tube 4 penetrates through the condensed water outlet 3 and then extends into the flow guide sleeve 6; the heat exchange tube 4 is fixedly connected with the top of the high-temperature flue gas channel 1.
A connecting pipe 16 is installed in a round hole formed in the top of the high-temperature flue gas channel 1, a second flange 18 is installed at the top of the connecting pipe 16, a first flange 17 is installed on the upper portion of the heat exchange pipe 4, the heat exchange pipe 4 is sleeved in the connecting pipe 16, and the heat exchange pipe 4 and the connecting pipe 16 are fixedly connected in a matched mode through the first flange 17 and the second flange 18. The first flange 17 and the second flange 18 are fixed by using bolts, so that the heat exchange tube 4 is connected with the connecting tube 16, the heat exchange tube 4 is prevented from being influenced by gravity for a long time, and a crack is generated at the joint of the heat exchange tube 4 and the water inlet pipeline 13.
A collecting tank 8 is arranged below the water outlet of the water seal bent pipe 7, a drain pipe 9 is arranged at the bottom elbow of the water seal bent pipe 7, and a valve 15 is arranged on the drain pipe 9. Contain a large amount of impurity and foul in the high temperature flue gas, use this device for a long time after, water seal return bend 7 bottom elbow department can accumulate sewage and long-pending mud, opens valve 15, can make sewage and long-pending mud discharge from blow off pipe 9.
A buffer groove 19 is arranged above the heat exchange tube 4, and a gap exists between the water inlet tube 5 and the bottom of the heat exchange tube 4. The buffer tank 19 can make the effect of backward flow better, prevents that the backward flow speed is too slow, influences the dehydration effect of steam in the high temperature flue gas.
The water collecting tank 2 is connected with a water inlet conduit 11. The water inlet guide pipe 11 is connected with a water injection device which injects water into the water collecting tank 2 through the water inlet guide pipe 11.
When the device is used, water is injected into the water seal bent pipes 7 below the high-temperature flue gas channel 1, and the liquid level exceeds the height of the water seal bent pipes 7 at the elbows. The water filling means is opened and water is filled into the water collection tank 2 through the water inlet conduit 11, and the water filling means is closed after filling.
When high-temperature flue gas is discharged from the high-temperature flue gas channel 1, the circulating water pump 10 is started, water in the water collecting tank 2 sequentially flows into the water inlet pipe 5 of the heat exchange mechanism in the high-temperature flue gas channel 1 through the water inlet pipeline 13, the water flows back upwards to the buffer tank 19 from the bottom of the heat exchange tube 4 under the action of pressure, and in the process of the water flowing back upwards in the heat exchange tube 4, the high-temperature flue gas contacts with the outer surface of the heat exchange tube 4 when passing through the heat exchange tube 4, water vapor in the high-temperature flue gas is condensed into liquid water, flows into the flow guide cover 6 along the outer surface of the heat exchange tube 4, further flows into the water seal elbow 7, and flows into the collecting tank 8 from a water outlet flow channel of the water seal elbow 7.
When the water flows back upward from the bottom of the heat exchange pipe 4 into the buffer tank 19, the water flows into the water collecting tank 2 again from the water returning pipe 14 after the water level is higher than the level of the buffer tank 19. The water flows into the water collecting tank 2 and then flows into the water inlet pipe 5 through the water inlet pipeline 13, and the water circulates in sequence. Because contain a large amount of impurity in the high temperature flue gas, this practicality can have sewage and long-pending mud in the water seal return bend after using for a long time, can open valve 15 on the blow off pipe 9 and clear up.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. A high-temperature flue gas dehydration device comprises a water collecting tank (2), a circulating water pump (10) and a high-temperature flue gas channel (1), and is characterized in that a water outlet pipe of the water collecting tank (2) is connected with a water inlet pipeline (13) through the circulating water pump (10), and the water collecting tank (2) is also connected with a water return pipeline (14); the top of the high-temperature flue gas channel (1) is provided with a plurality of round holes, the bottom of the high-temperature flue gas channel is correspondingly provided with a plurality of condensed water outlets (3), a flow guide cover (6) is installed at the condensed water outlets (3), the flow guide cover (6) is connected with a water seal bent pipe (7), and the water seal bent pipe (7) is of an S-shaped structure;
a plurality of heat exchange mechanisms are distributed in the high-temperature flue gas channel (1), each heat exchange mechanism comprises a heat exchange pipe (4) and a water inlet pipe (5), the heat exchange pipes (4) and the water inlet pipes (5) are of sleeve structures, and the top of each heat exchange pipe (4) is connected with the water return pipeline (14) and communicated with the water return pipeline (14); the top of the water inlet pipe (5) penetrates through the water return pipeline (14) to be connected to the water inlet pipeline (13) and communicated with the water inlet pipeline (13), the water inlet pipe (5) is sleeved in the heat exchange pipe (4), and the bottom of the water inlet pipe (5) is of an open structure and communicated with the heat exchange pipe (4);
the heat exchange tube (4) penetrates through the top surface of the high-temperature flue gas channel (1) and extends into the high-temperature flue gas channel (1), and the bottom of the heat exchange tube (4) penetrates through the condensed water outlet (3) and then extends into the flow guide sleeve (6); the heat exchange tube (4) is fixedly connected with the top of the high-temperature flue gas channel (1).
2. A high-temperature flue gas dehydration device as claimed in claim 1, wherein a connecting pipe (16) is installed in a round hole opened at the top of the high-temperature flue gas channel (1), a second flange (18) is installed at the top of the connecting pipe (16), a first flange (17) is installed at the upper part of the heat exchange pipe (4), the heat exchange pipe (4) is sleeved in the connecting pipe (16), and the heat exchange pipe (4) and the connecting pipe (16) are fixedly connected through the first flange (17) and the second flange (18) in a matching manner.
3. The high-temperature flue gas dehydration device according to claim 1, characterized in that a collection tank (8) is arranged below the water outlet of the water seal elbow (7), a drain pipe (9) is arranged at the bottom elbow of the water seal elbow (7), and a valve (15) is arranged on the drain pipe (9).
4. A high-temperature flue gas dehydration device according to claim 1, characterized in that a buffer tank (19) is arranged above the heat exchange tube (4), and a gap exists between the water inlet tube (5) and the bottom of the heat exchange tube (4).
5. A high temperature flue gas dehydration device according to claim 1 characterized in that the water collection tank (2) is connected with a water inlet conduit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280610.1U CN217139883U (en) | 2022-02-11 | 2022-02-11 | High-temperature flue gas dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220280610.1U CN217139883U (en) | 2022-02-11 | 2022-02-11 | High-temperature flue gas dewatering device |
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| Publication Number | Publication Date |
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| CN217139883U true CN217139883U (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220280610.1U Active CN217139883U (en) | 2022-02-11 | 2022-02-11 | High-temperature flue gas dewatering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116196737A (en) * | 2023-03-11 | 2023-06-02 | 重庆清研理工智能控制技术研究院有限公司 | Organic matter vapor mixed tail gas heat recovery dehydration system and equipment |
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2022
- 2022-02-11 CN CN202220280610.1U patent/CN217139883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116196737A (en) * | 2023-03-11 | 2023-06-02 | 重庆清研理工智能控制技术研究院有限公司 | Organic matter vapor mixed tail gas heat recovery dehydration system and equipment |
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