CN216203460U - Single-channel flue gas cooler - Google Patents
Single-channel flue gas cooler Download PDFInfo
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- CN216203460U CN216203460U CN202122551419.4U CN202122551419U CN216203460U CN 216203460 U CN216203460 U CN 216203460U CN 202122551419 U CN202122551419 U CN 202122551419U CN 216203460 U CN216203460 U CN 216203460U
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- cooling
- pipe
- flue gas
- smoke
- chamber
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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 relates to a single-channel flue gas cooler, which comprises a cooling chamber and a cooling pipe, wherein the cooling chamber is used for accommodating cooling raw water, and the cooling pipe is arranged in the cooling raw water; high-temperature flue gas enters a cooling pipe from a flue gas inlet pipe arranged on the side surface of the cooling chamber, flows in the cooling pipe and exchanges heat with cooling raw water simultaneously so as to realize the purpose of cooling the flue gas, and a flue gas pipe connecting elbow is also arranged between the flue gas inlet pipe and the cooling pipe; the outlet of the cooling pipe is also provided with a connecting bent pipe, one side of the connecting bent pipe is connected with the outlet of the cooling pipe, and the other side of the connecting bent pipe is connected with the smoke discharging chamber. The utility model forms a pressure gradient by a mixed layer formed by the cooling pipe and the connecting elbows of a plurality of groups of smoke pipes and by left and right matching of the cooling chamber, stabilizes the flow speed of smoke in the cooling pipe in the cooling chamber and increases the smoke cooling effect.
Description
Technical Field
The utility model relates to a single-channel flue gas cooler.
Background
In the current small-sized garbage incineration and flue gas treatment matched flue gas cooler, after high-temperature flue gas is cooled, the cooling effect is not very obvious.
Most of the existing matched flue gas coolers in the market are vertical cylindrical barrels, and vertical flue gas cooling pipes are arranged in the middle of the structure and are arranged in the cooling raw water. The flue gas enters the cooling pipe from a flue gas inlet pipe joint arranged on the upper side surface of the cylinder body, is guided out from a flue gas outlet pipe joint arranged on the lower part and enters the next treatment unit.
The flowing speed of the high-temperature flue gas to be treated by the small-sized garbage incineration in the vertical pipe is dozens of meters per second, the time of cold and heat exchange is asynchronous with the exchange flow, and the effect of flue gas cooling is not obvious.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a single-channel flue gas cooler which stabilizes the flow speed of flue gas in a cooling pipeline and increases the cooling effect of the flue gas.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a single-channel flue gas cooler comprises a cooling chamber and a cooling pipe, wherein the cooling chamber is used for accommodating cooling raw water, and the cooling pipe is arranged in the cooling raw water; the high-temperature flue gas enters the cooling pipe from a flue gas inlet pipe arranged on the side surface of the cooling chamber, flows in the cooling pipe and exchanges heat with cooling raw water simultaneously so as to realize the purpose of cooling the flue gas, and a flue gas pipe connecting elbow is also arranged between the flue gas inlet pipe and the cooling pipe and is used for increasing the friction coefficient between the flue gas and the wall of the cooling pipe so as to slow down the flow speed of the flue gas in the pipeline; a connecting bent pipe is arranged at the outlet of the cooling pipe, and the cooling effect of the flue gas is improved through the dissipation of stress generated by the connecting bent pipe; one side of the connecting elbow is connected with the outlet of the cooling pipe in a connecting mode, the other side of the connecting elbow is connected with the smoke discharging and conveying chamber in a connecting mode, and high-temperature smoke is guided out from the smoke discharging and conveying chamber smoke outlet of the smoke discharging and conveying chamber and enters the next processing unit.
Furthermore, an aerial fog underwater trickling pipe on the inner wall of the smoke pipe is arranged at the lower side of the bottommost position of the smoke pipe connecting elbow in the vertical direction and is directly inserted into the water closed pool, and a water outlet is arranged at the bottom of the closed pool and is used for periodically discharging sewage; the top of the cooling chamber is provided with a heat dissipation channel, and the inner wall of the heat dissipation channel is provided with heat dissipation holes for volatilizing hot steam formed after exchange.
In particular, an auxiliary heat radiation port is arranged on the cooling chamber on one side of the heat radiation channel and is used for volatilizing hot steam and simultaneously used as a cooling raw water injection port.
Furthermore, a plurality of groups of smoke tube connecting elbows which are arranged transversely and vertically are communicated with each other, the front end tube is connected with the smoke inlet tube, and the rear end tube is connected with the cooling tube to form a high-temperature smoke flowing channel in the cooling chamber.
Furthermore, supporting legs are arranged below the cooling chamber bottom plate; the upper parts of the supporting legs are fixed on the cooling chamber, and the supporting legs and the cooling chamber are fixed through reinforcing rib plates.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model forms a mixed layer by connecting the cooling pipe and a plurality of groups of smoke pipes with the elbow, and forms a pressure gradient by matching the left and the right of the cooling chamber; in the pressure field of the boundary non-rotating main flow field, for limited flow, the pressure gradient in the flow direction can be adjusted through the total mass of the cross section of the pipeline, the flow speed of the flue gas in the cooling pipeline is stabilized, and the flue gas cooling effect is increased.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention.
Detailed Description
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the utility model is not restricted.
The utility model aims to solve the problems that the flow speed of high-temperature flue gas in the vertical pipe is too high, and the time of cold-heat exchange is not synchronous with the exchange process; referring to fig. 1 and 2, the main parts are as follows (the pipe joint between adjacent pipe walls is indicated by "|):
a single-channel flue gas cooler comprises a cooling chamber 1 and a cooling pipe 2, wherein the cooling chamber 1 contains cooling raw water 3, and the cooling pipe 2 is arranged in the cooling raw water 3; high temperature flue gas gets into cooling tube 2 from setting up flue gas inlet pipe 4 in the cooling chamber side, thereby flow in cooling tube 2 simultaneously with cooling raw water 3 carry out the heat exchange and realize the purpose of flue gas cooling, can regard as the pressure field of the no main flow field of whirl in the boundary in cooling tube 2, and to the flow that the flue gas is injectd, can adjust the pressure gradient on the flow direction through the total quality that passes the pipeline cross section, consequently, form suitable pressure gradient through the cooling chamber about supporting and can form the speed that the flue gas flows in the stable cooling pipeline, increase the flue gas cooling effect, realize this purpose through setting up the flue gas flow that anyhow reaches many elbows and constitute:
a smoke pipe connecting elbow 5 is arranged between the smoke inlet pipe 4 and the cooling pipe 2 and is used for increasing the friction coefficient of smoke and the wall of the cooling pipe so as to slow down the flow speed of the smoke in the pipe; an aerial fog underwater trickling pipe 6 on the inner wall of the smoke pipe is arranged at the vertical lower side of the bottommost position of the smoke pipe connecting elbow 5 and is directly inserted into a water closed pool 7, and a water outlet 8 is arranged at the bottom of the closed pool 7 and used for periodically discharging sewage;
simultaneously in order to increase the flue gas cooling effect, utilize the stress dissipation of flue gas flow in the return bend to realize: the 2 export of cooling tube still sets up connection return bend 9, and 9 one sides of connection return bend connect the export of cooling tube 2, and opposite side pipe connector discharge smoke chamber 10, high temperature flue gas are derived from the discharge smoke chamber exhanst gas outlet 11 of discharge smoke chamber 10 and are got into next processing unit, and the cooling chamber of pertinence sets up as follows: a heat dissipation channel 12 is arranged at the top of the cooling chamber 1, and heat dissipation holes 13 are arranged on the inner wall of the heat dissipation channel 12 and act on the volatilization of hot steam formed after exchange;
the cooling chamber on the side of the heat dissipation channel 12 is further provided with an auxiliary heat dissipation port 14 for volatilizing hot vapor and serving as a cooling raw water injection port.
Thus in the cooling chamber 1: a plurality of groups of smoke tube connecting elbows 5 which are arranged transversely and vertically are communicated with each other, the front end of each smoke tube is connected with a smoke inlet tube 3, and the rear end of each smoke tube is connected with a cooling tube 2 to form a high-temperature smoke flowing channel in the cooling chamber 1; in addition, supporting legs 15 are arranged below the bottom plate of the cooling chamber 1; the upper part of the supporting leg 15 is fixed on the cooling chamber 1, and the supporting leg 15 and the cooling chamber 1 are fixed through a reinforcing rib plate 16.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (5)
1. A single-channel flue gas cooler comprises a cooling chamber and a cooling pipe, wherein the cooling chamber is used for accommodating cooling raw water, and the cooling pipe is arranged in the cooling raw water; high temperature flue gas gets into the cooling tube from setting up the flue gas import pipe in the cooling chamber side, thereby flows in the cooling tube and carries out the heat exchange with the cooling raw water simultaneously and realize the purpose of flue gas cooling, its characterized in that: a smoke pipe connecting elbow is arranged between the smoke inlet pipe and the cooling pipe and used for increasing the friction coefficient of smoke and the wall of the cooling pipe so as to slow down the flow speed of the smoke in the pipe; a connecting bent pipe is arranged at the outlet of the cooling pipe, and the cooling effect of the flue gas is improved through the dissipation of stress generated by the connecting bent pipe; one side of the connecting elbow is connected with the outlet of the cooling pipe in a connecting mode, the other side of the connecting elbow is connected with the smoke discharging and conveying chamber in a connecting mode, and high-temperature smoke is guided out from the smoke discharging and conveying chamber smoke outlet of the smoke discharging and conveying chamber and enters the next processing unit.
2. A single pass flue gas cooler as claimed in claim 1, wherein: an aerial fog underwater flowing pipe on the inner wall of the smoke pipe is arranged on the lower side of the bottommost position of the smoke pipe connecting elbow in the vertical direction and is directly inserted into a water closed pool, and a water outlet is arranged at the bottom of the closed pool and is used for periodically discharging sewage; the top of the cooling chamber is provided with a heat dissipation channel, and the inner wall of the heat dissipation channel is provided with heat dissipation holes for volatilizing hot steam formed after exchange.
3. A single pass flue gas cooler as claimed in claim 2, wherein: and an auxiliary heat dissipation port is further arranged on the cooling chamber on one side of the heat dissipation channel and is used for volatilizing hot steam and simultaneously serving as a cooling raw water injection port.
4. A single pass flue gas cooler as claimed in claim 1, wherein: the multiple groups of smoke tube connecting elbows which are arranged transversely and vertically are communicated with each other, the front end tube is connected with the smoke inlet tube, and the rear end tube is connected with the cooling tube to form a high-temperature smoke flowing channel in the cooling chamber.
5. A single pass flue gas cooler as claimed in claim 1, wherein: supporting legs are arranged below the cooling chamber bottom plate; the upper parts of the supporting legs are fixed on the cooling chamber, and the supporting legs and the cooling chamber are fixed through reinforcing rib plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551419.4U CN216203460U (en) | 2021-10-22 | 2021-10-22 | Single-channel flue gas cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551419.4U CN216203460U (en) | 2021-10-22 | 2021-10-22 | Single-channel flue gas cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216203460U true CN216203460U (en) | 2022-04-05 |
Family
ID=80888308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122551419.4U Active CN216203460U (en) | 2021-10-22 | 2021-10-22 | Single-channel flue gas cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216203460U (en) |
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2021
- 2021-10-22 CN CN202122551419.4U patent/CN216203460U/en active Active
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