CN213450562U - Diesel generating set flue gas heat reclamation device - Google Patents
Diesel generating set flue gas heat reclamation device Download PDFInfo
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- CN213450562U CN213450562U CN202021523807.0U CN202021523807U CN213450562U CN 213450562 U CN213450562 U CN 213450562U CN 202021523807 U CN202021523807 U CN 202021523807U CN 213450562 U CN213450562 U CN 213450562U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model provides a flue gas heat recovery device of a diesel generating set, which comprises a supporting frame vertically arranged on the inner wall of a smoke exhaust flue, a coil pipe, a cold water pipeline and a hot water pipeline vertically arranged on the supporting frame; the water outlet of the cold water pipeline is communicated with the water inlet of the bent disc pipeline, and the water inlet of the hot water pipeline is communicated with the water outlet of the bent disc pipeline; the disc bend pipe is also provided with an intermediate header and a first electric regulating valve, the intermediate header is communicated with the hot water pipeline through a bypass pipe, and the first electric regulating valve is positioned at the downstream end of the intermediate header; and a second electric regulating valve for controlling the opening or closing of the bypass pipe is arranged on the bypass pipe. The flue gas heat recovery device of the diesel generating set can realize the reutilization of the heat energy of the flue gas, and reduces the pollution to the environment.
Description
Technical Field
The utility model belongs to the generator equipment field more specifically relates to a diesel generating set flue gas heat reclamation device.
Background
When the diesel generating set operates, a large amount of high-temperature smoke is generated, and the smoke is exhausted to the atmosphere through the smoke exhaust vertical shaft or the smoke exhaust pipeline, so that the environment is polluted, and meanwhile, the energy in the high-temperature smoke is wasted. In order to reduce the smoke exhaust loss, reduce the smoke exhaust temperature and improve the heat recovery and utilization efficiency of waste smoke, a specific module device is needed to recover and recycle the waste heat of the discharged high-temperature smoke, and the problems of waste of smoke energy and the like of a diesel generating set can be effectively solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a diesel generating set flue gas heat reclamation device to solve the flue gas that diesel generating set produced at the operation in-process and directly get into the atmosphere through exhaust pipe, cause environmental pollution and the extravagant problem of heat energy.
In order to achieve the technical purpose, the technical scheme of the utility model provides a flue gas heat recovery device of a diesel generating set, which comprises a supporting frame vertically arranged on the inner wall of a smoke exhaust flue, a coil pipe vertically arranged on the supporting frame, a cold water pipeline and a hot water pipeline; the water outlet of the cold water pipeline is communicated with the water inlet of the disc bent pipeline; the water inlet of the hot water pipeline is communicated with the water outlet of the bent pipeline, a second thermometer and a heat preservation water storage tank are arranged on the hot water pipeline, and the second thermometer is used for measuring the temperature of hot water entering the heat preservation water storage tank;
the disc bend pipe is also provided with an intermediate header and a first electric regulating valve, the intermediate header is communicated with the hot water pipeline through a bypass pipe, and the first electric regulating valve is positioned at the downstream end of the intermediate header; and a second electric regulating valve for controlling the opening or closing of the bypass pipe is arranged on the bypass pipe.
Further, the coil pipe includes a plurality ofly, and is a plurality of the coil return bend interval sets up, every the coil return bend all through one braced frame fixed mounting in the inner wall of flue of discharging fume, it is a plurality of the water inlet of coil pipe all with cold water pipeline intercommunication, the delivery port all with hot water pipeline's water inlet intercommunication.
Furthermore, a first thermometer and a gate valve for controlling the connection or disconnection of the cold water pipeline are arranged on the cold water pipeline.
Furthermore, a water outlet pipeline of the heat-preservation water outlet tank is provided with a circulating water pump, two ends of the circulating water pump are connected with the water outlet pipe through soft joints, the water outlet pipeline is divided into two branches after passing through the circulating water pump, one branch is communicated with the cold water pipeline, the other branch is used for providing domestic hot water, and a branch communicated with the cold water pipeline is provided with a third thermometer.
Furthermore, a gate valve, a Y-shaped filter and a pressure gauge are further arranged on a water outlet pipeline between the heat preservation water storage tank and the circulating water pump.
Furthermore, be equipped with manometer, check valve, gate valve on the outlet pipe in circulating water pump low reaches in proper order, hot water passes through in proper order divide into two behind manometer, check valve and the gate valve the branch road, every all be equipped with the gate valve on the branch road.
Further, the smoke in the smoke exhaust flue is exhausted from bottom to top.
Further, the disc bending pipe comprises a plurality of H-shaped fin pipes, and two adjacent H-shaped fin pipes are connected through U-shaped elbows.
Compared with the prior art, the beneficial effects of the utility model include:
the utility model provides a diesel generating set flue gas heat reclamation device, inner wall through flue discharging fume along vertical direction fixed mounting dish return bend, the delivery port of cold water pipeline with the water inlet intercommunication of dish return bend pipeline, the water inlet of hot water pipeline with the delivery port intercommunication of dish return bend pipeline, diesel generating set's flue gas is by lower supreme rising in shaft or the discharge flue of discharging fume, and domestic water passes through the entrance point of cold water entry through the H type fin pipe in gate valve entering module, and cold water flows in the dish type pipe, carries out the heat exchange with the shaft or the discharge flue of fume by lower supreme high temperature flue gas, and hot water after the heating gets into the heat preservation storage water tank for supply domestic hot water, consequently realized thermal reuse in the flue gas, reduced diesel generating set's exhaust gas temperature, reduced the emission of environment heat.
The utility model discloses in still be equipped with middle header on the dish return bend, middle header will the dish return bend divides into two parts, and when the thermometer detected the hydrothermal temperature that gets into in the heat preservation storage water tank and was higher than the settlement temperature value, closed and is located the dish return bend of the low reaches end of middle header, hot water is saved in getting into the heat preservation storage water tank through the bypass pipeline behind the dish return bend of the upstream end that is located middle header, has realized the control to hot water temperature.
The utility model discloses in the hot water in the storage water tank of keeping warm divide into two branch roads after the circulating pump promotes, one of them branch road with the cold water pipeline intercommunication, another branch road is used for providing life hot water, be equipped with the thermometer on the branch road with the cold water pipeline intercommunication, when the temperature of thermometer reached the settlement temperature, hot water flowed out through another branch road pipeline and supplies life water; when the water temperature of the thermometer does not reach the set temperature, the hot water enters the disc elbow through the cold water pipeline to be continuously heated until the temperature reaches the set temperature of the thermometer, and then the hot water is used for supplying domestic water, so that the circulating heating can be realized.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a flue gas heat recovery device of a diesel generator set provided by the present invention;
FIG. 2 is a schematic diagram of an embodiment of one of the coiled conduits of FIG. 1 in communication with a hot water conduit;
description of reference numerals:
1-smoke exhaust flue, 2-support frame, 3-heat preservation water storage tank, 4-Y type filter, 5-circulating water pump, 6-soft joint, 7-check valve, 8-pressure gauge, 9-third thermometer, 10-electric temperature control valve, 11-electric regulating valve, 12-electric regulating valve, 13-electric regulating valve, 14-first thermometer, 15-gate valve, 16-second thermometer, 17-gate valve, 18-gate valve, 19-gate valve, 20-gate valve, 21-gate valve, 22-disc bend, 23-bypass pipe and 24-intermediate header.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the embodiment of the utility model provides a diesel generating set flue gas heat recovery unit, including install perpendicularly at the braced frame 2 of exhaust fume flue 1 inner wall, install perpendicularly coil return bend 22, cold water pipeline and hot water pipeline on braced frame 1.
The support frame 2 includes a horizontal frame disposed at a top and a bottom at an interval and a vertical frame connecting the top and bottom horizontal frames, and the coil pipe 22 is vertically installed on the support frame 2.
The number of the supporting frames 22 is three, and may be one or more. Accordingly, one or more disk bends 22 are provided. The water inlets of the three disc bent pipes 22 are communicated with the cold water pipeline through pipelines, and each pipeline is provided with a gate valve 21; the water outlets are communicated with the water inlets of the hot water pipelines through pipelines.
The smoke gas rises from bottom to top in the smoke exhaust flue 1, domestic feed water enters the disc bent pipe 22 through a cold water inlet and a valve gate, the cold water flows in the disc bent pipe 22 and exchanges heat with high-temperature smoke gas from bottom to top in the smoke exhaust flue 1, the cold water flows to the bottom of the disc bent pipe 22 and flows out through a water outlet in the bottom of the disc bent pipe 22, after the cold water obtains heat, the water temperature rises, and the heated hot water enters the heat preservation water storage tank 3 for storage.
In order to improve the heat exchange efficiency, the disc bent pipe 22 is preferably formed by connecting a plurality of H-shaped fin pipes, and two adjacent H-shaped fin pipes are connected by a U-shaped bent pipe.
And a second thermometer 16 for detecting the temperature of the cold water entering the disc bent pipe 22 and a gate valve 17 for controlling the connection or disconnection of the cold water pipeline are also arranged on the cold water pipeline.
The hot water pipeline is also provided with a heat preservation water storage tank 3 and a first thermometer 14 for detecting hot water entering the heat preservation water storage tank 3.
The disc bent pipe 22 is further provided with an intermediate header 24, the disc bent pipe 22 is divided into two parts by the intermediate header 24, the intermediate header 22 is communicated with the hot water pipeline through a bypass pipe 23, a first electric adjusting valve 11 is further arranged at the position, located at the downstream of the intermediate header 24, on the disc bent pipe 22, a second electric adjusting valve 12 for controlling the bypass pipe 23 to be opened or closed is further arranged on the bypass pipe 23, and a third electric adjusting valve 13 is further arranged between the water outlet of the disc bent pipe 22 and the bypass pipe 23.
In an initial state, a first electric regulating valve 11 in a water pipe is opened, a second electric regulating valve 12 is closed, a third electric regulating valve 13 is opened, cold water flows to the bottom of a coil bent pipe 22 and flows out through the outlet end of an H-shaped fin pipe in a module, the temperature of the cold water rises after the cold water obtains heat, and heated hot water enters a heat preservation water storage tank 3; when the temperature data of the first thermometer 14 is higher than the set required temperature, the first electric regulating valve 11 is closed, the second electric regulating valve 12 is opened, water flows into the heat preservation water storage tank 3 through the bypass pipe, and hot water flows out through the water outlet pipe at the lower end of the heat preservation water storage tank 3.
As shown in fig. 2, a water outlet of the hot water pipeline is communicated with the heat preservation water storage tank 3, a water outlet pipeline of the heat preservation water storage tank 3 is provided with a circulating water pump 5, two ends of the circulating water pump 5 are connected with the water outlet pipe through a soft joint 6, and a pipeline between the circulating water pump 5 and the heat preservation water storage tank 3 is also provided with a gate valve 15, a Y-shaped filter 4 and a pressure gauge 8; and a pressure gauge 8, a check valve 7 and a gate valve 15 are also arranged on the water outlet pipe at the downstream end of the circulating water pump 5. When hot water in the heat-preservation water storage tank 3 enters the circulating water pump 5 through the water pipe provided with the gate valve 15, the Y-shaped filter 4, the pressure gauge 8 and the soft joint 6, the hot water is lifted by the water pump 5, and a hot water outlet pipe is divided into two pipelines through the water pipe provided with the soft joint 6, the pressure gauge 8, the check valve 7 and the gate valve 15. One branch is communicated with the cold water pipeline, the other branch is used for providing domestic hot water, a third thermometer 9 is arranged on the branch communicated with the cold water pipeline, and when the water temperature of the third thermometer 9 reaches a set temperature, the hot water flows out of the other branch pipeline for domestic water supply; when the water temperature of the third thermometer 9 does not reach the set temperature, the hot water enters the coil bend 22 through the cold water pipeline to be continuously heated until the set temperature of the thermometer is reached, and then the hot water is used for supplying domestic water, so that the circulating heating can be realized.
The third temperature 9 and the upstream end are provided with gate valves 18, and the downstream end is provided with an electric temperature control valve 10; and a gate valve 19 is arranged on the other branch, and the two branches are controlled to be communicated or cut off by opening or closing the two gate valves 18 and 19 and the electric temperature control valve.
The utility model provides a diesel generating set flue gas heat reclamation device's working process does: in an initial state, a first electric regulating valve 11 in a water pipe is opened, a second electric regulating valve 12 is closed, a third electric regulating valve 13 is opened, cold water flows to the bottom of a coil bent pipe 22 and flows out through the outlet end of an H-shaped fin pipe in a module, the temperature of the cold water rises after the cold water obtains heat, and heated hot water enters a heat preservation water storage tank 3; when the temperature data of the first thermometer 14 is higher than the set required temperature, the first electric regulating valve 11 is closed, the second electric regulating valve 12 is opened, water flows into the heat preservation water storage tank 3 through the bypass pipe, and hot water flows out through the water outlet pipe at the lower end of the heat preservation water storage tank 3. When hot water in the heat-preservation water storage tank 3 enters the circulating water pump 5 through the water pipe provided with the gate valve 15, the Y-shaped filter 4, the pressure gauge 8 and the soft joint 6, the hot water is lifted by the water pump 5, and a hot water outlet pipe is divided into two pipelines through the water pipe provided with the soft joint 6, the pressure gauge 8, the check valve 7 and the gate valve 15. When the water temperature of the third thermometer 9 on the branch communicated with the cooling water pipe reaches the set temperature, the hot water flows out through the other branch pipeline for domestic water; when the water temperature of the third thermometer 9 does not reach the set temperature, the hot water enters the coil bend 22 through the cold water pipeline to be continuously heated until the water temperature reaches the set temperature of the third thermometer 9, and then the hot water is used for supplying domestic water to realize circulating heating.
The utility model provides a diesel generating set flue gas heat reclamation device has reduced the thermal emission to the environment, has realized the reuse of heat energy, has saved the energy.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A diesel generating set flue gas heat recovery device is characterized by comprising a support frame vertically arranged on the inner wall of a flue for discharging smoke, a coil bend pipe vertically arranged on the support frame, a cold water pipeline and a hot water pipeline; the water outlet of the cold water pipeline is communicated with the water inlet of the disc bent pipe; the water inlet of the hot water pipeline is communicated with the water outlet of the coil pipe, a first thermometer and a heat preservation water storage tank are arranged on the hot water pipeline, and the first thermometer is used for measuring the temperature of hot water entering the heat preservation water storage tank;
the disc bend pipe is also provided with an intermediate header and a first electric regulating valve, the intermediate header is communicated with the hot water pipeline through a bypass pipe, and the first electric regulating valve is positioned at the downstream end of the intermediate header; and a second electric regulating valve for controlling the communication or the closing of the bypass pipe is arranged on the bypass pipe.
2. The flue gas heat recovery device of the diesel generator set according to claim 1, wherein the disc bent pipe comprises a plurality of disc bent pipes, the plurality of disc bent pipes are arranged at intervals, each disc bent pipe is fixedly installed on the inner wall of the smoke exhaust flue through one support frame, water inlets of the plurality of disc bent pipes are communicated with the cold water pipeline, and water outlets of the plurality of disc bent pipes are communicated with the water inlet of the hot water pipeline.
3. The flue gas heat recovery device of the diesel generator set according to claim 1, wherein a second thermometer and a gate valve for controlling connection or disconnection of the cold water pipeline are arranged on the cold water pipeline.
4. The flue gas heat recovery device of the diesel generating set according to claim 1, wherein a water outlet pipeline of the heat preservation water storage tank is provided with a circulating water pump, two ends of the circulating water pump are connected with the water outlet pipeline through soft joints, the water outlet pipeline is divided into two branches after passing through the circulating water pump, one branch is communicated with the cold water pipeline, the other branch is used for providing domestic hot water, and a branch communicated with the cold water pipeline is provided with a third thermometer.
5. The flue gas heat recovery device of the diesel generator set according to claim 4, wherein a gate valve, a Y-shaped filter and a pressure gauge are further sequentially arranged on a water outlet pipeline between the heat preservation water storage tank and the circulating water pump.
6. The flue gas heat recovery device of the diesel generating set according to claim 4, wherein a pressure gauge, a check valve and a gate valve are sequentially arranged on a water outlet pipe at the downstream of the circulating water pump, hot water sequentially passes through the pressure gauge, the check valve and the gate valve and then is divided into two branches, and a gate valve is arranged on each branch.
7. The diesel generator set flue gas heat recovery device of any one of claims 1 to 6, wherein flue gas in the flue gas exhaust flue is exhausted from bottom to top.
8. The diesel-electric set flue gas heat recovery device of claim 1, wherein the coil pipe comprises a plurality of H-shaped fin pipes, and two adjacent H-shaped fin pipes are connected through a U-shaped elbow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021523807.0U CN213450562U (en) | 2020-07-28 | 2020-07-28 | Diesel generating set flue gas heat reclamation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021523807.0U CN213450562U (en) | 2020-07-28 | 2020-07-28 | Diesel generating set flue gas heat reclamation device |
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| Publication Number | Publication Date |
|---|---|
| CN213450562U true CN213450562U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021523807.0U Active CN213450562U (en) | 2020-07-28 | 2020-07-28 | Diesel generating set flue gas heat reclamation device |
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| Country | Link |
|---|---|
| CN (1) | CN213450562U (en) |
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2020
- 2020-07-28 CN CN202021523807.0U patent/CN213450562U/en active Active
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