CN219454006U - Cold air heater before forced draught blower - Google Patents
Cold air heater before forced draught blower Download PDFInfo
- Publication number
- CN219454006U CN219454006U CN202320864223.7U CN202320864223U CN219454006U CN 219454006 U CN219454006 U CN 219454006U CN 202320864223 U CN202320864223 U CN 202320864223U CN 219454006 U CN219454006 U CN 219454006U
- Authority
- CN
- China
- Prior art keywords
- air
- pipeline
- pipe
- outlet
- pipes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model discloses a front cold air heater of a blower, which comprises a rectangular three-dimensional frame; the heating module is fixed in the rectangular three-dimensional frame; the heating module comprises a plurality of heating assemblies, an inlet pipe and an outlet pipe which are arranged side by side, and each heating assembly consists of two vertical pipes and a plurality of transverse pipes communicated with each other; the air inlet pipeline is connected with the inlet pipe, an air inlet valve is arranged on the air inlet pipeline, and a drainage pipeline is communicated with the air inlet pipeline between the air inlet valve and the inlet pipe; the air outlet pipeline is connected with the outlet pipe, an air outlet valve is arranged on the air outlet pipeline, and an air purging pipe is communicated with the air outlet pipeline between the air outlet valve and the outlet pipe; valves are respectively arranged on the drainage pipeline and the air purging pipe. The advantages are that: cold air led out by the fan is subjected to heat exchange and temperature rise through heat emitted by the heating module, and enters the boiler to improve the combustion heat efficiency of the boiler; the air purging discharges the condensed water and sewage in the heating module, avoids the storage of rust pipelines, and simultaneously prevents the residual excessive low-temperature water from affecting the vapor temperature.
Description
Technical field:
the utility model relates to the field of heat exchange, in particular to a cold air heater in front of a blower.
The background technology is as follows:
the silicon-manganese alloy production plant is provided with a power plant, the power generation is completed through a boiler system, oxygen in water is removed by a deaerator in the system, severe corrosion of a boiler water supply pipeline, an economizer and other accessory equipment is prevented, and waste of the boiler is discharged periodically or continuously by fixed and combined discharge to achieve the effect of smooth circulation; in the production process, the deaerator and the combined exhaust are used for exhausting waste steam and waste water into a fixed exhaust wide container, the fixed exhaust wide container is used for exhausting waste water from a boiler at regular intervals or exhausting waste hot water higher than that of the regular blowdown expander, secondary steam and the waste hot water are separated through decompression and expansion, the secondary steam is exhausted into the atmosphere or is used as a heat source, and the waste hot water is generally exhausted into a sewage system through a blowdown cooling tank.
In a boiler system, wind is required to be introduced into the boiler through a fan, cold wind is usually introduced into the boiler, a heating process is carried out in the boiler, the process influences the heat efficiency, and the heat source of secondary steam is utilized for heating the cold wind, so that the heat efficiency can be improved, and therefore, a cold wind heater is required to be designed.
The utility model comprises the following steps:
the utility model aims to provide a cold air heater in front of a blower.
The utility model is implemented by the following technical scheme:
a cold air heater in front of a blower comprises a rectangular three-dimensional frame, a heating module, an air inlet pipeline, an air inlet valve, a drainage pipeline, an air outlet valve and an air purging pipe;
the heating module is fixed in the rectangular three-dimensional frame;
the heating module comprises a plurality of heating assemblies, inlet pipes and outlet pipes which are arranged side by side, each heating assembly consists of two vertical pipes and a plurality of transverse pipes communicated with each other, the end parts of the vertical pipes on the same side at the bottom of the heating assemblies are respectively communicated with the inlet pipes, and the end parts of the other vertical pipes on the same side at the top of the heating assemblies are respectively communicated with the outlet pipes;
the air inlet pipeline is connected with the inlet pipe, the air inlet valve is arranged on the air inlet pipeline, and the water drain pipeline is communicated with the air inlet pipeline between the air inlet valve and the inlet pipe;
the air outlet pipeline is connected with the outlet pipe, the air outlet valve is arranged on the air outlet pipeline, and the air purging pipe is communicated with the air outlet pipeline between the air outlet valve and the outlet pipe;
valves are respectively arranged on the drain pipeline and the air purging pipe.
Preferably, the rectangular three-dimensional frame comprises a rectangular frame at the top, a rectangular plate at the bottom, and a connecting rod fixedly connected between the rectangular frame and the edge of the rectangular plate.
Preferably, the cross tubes of adjacent heating assemblies are staggered.
Preferably, the transverse tube is a threaded finned tube.
The utility model has the advantages that: 1. before the boiler fan introduces wind into the boiler, cold wind passes through the heating module in the rectangular three-dimensional frame, heat emitted by the threaded fins exchanges heat and heats up, and hot wind enters the boiler to improve the combustion heat efficiency of the boiler. 2. The air purging pipe is externally connected with purging equipment, so that condensed water and sewage in the heating module are discharged through air purging, the phenomenon that the pipeline is corroded is avoided, and meanwhile, the steam temperature is prevented from being influenced by excessive low-temperature water.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of the overall structure of the present utility model;
FIG. 2 is a test chart of the overall structure of the present utility model;
fig. 3 is a schematic view of a heating assembly structure.
In the figure: rectangular solid frame 1, heating module 2, heating assembly 3, inlet pipe 4, outlet pipe 5, standpipe 6, horizontal pipe 7, inlet pipe 8, inlet valve 9, drainage pipe 10, outlet pipe 11, outlet valve 12, air purge pipe 13, valve 14, rectangular frame 15, rectangular plate 16, connecting rod 17.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, 2 and 3, the front cold air heater of the blower comprises a rectangular three-dimensional frame 1, a heating module 2, an air inlet pipeline 8, an air inlet valve 9, a drainage pipeline 10, an air outlet pipeline 11, an air outlet valve 12 and an air purging pipe 13;
the heating module 2 is fixed in the rectangular three-dimensional frame 1; the rectangular three-dimensional frame 1 comprises a rectangular frame 15 at the top, a rectangular plate 16 at the bottom and a connecting rod 17 fixedly connected between the edges of the rectangular frame 15 and the rectangular plate 16, and the rectangular three-dimensional frame 1 supports the heating module 2;
the heating module 2 comprises a plurality of heating assemblies 3, inlet pipes 4 and outlet pipes 5 which are arranged side by side, each heating assembly 3 consists of two vertical pipes 6 and a plurality of transverse pipes 7 communicated between the two vertical pipes 6, the transverse pipes 7 are threaded finned pipes, the transverse pipes 7 of the adjacent heating assemblies 3 are arranged in a staggered mode, the end parts of the vertical pipes 6 on the same side at the bottoms of the plurality of heating assemblies 3 are respectively communicated with the inlet pipes 4, the end parts of the other vertical pipes 6 on the same side at the tops of the plurality of heating assemblies 3 are respectively communicated with the outlet pipes 5, after the steam is introduced into the inlet pipes 4, the steam can sequentially pass through the vertical pipes 6 and the transverse pipes 7 and then reach the outlet pipes 5, and the heat is dissipated through the threaded fins of the transverse pipes 7;
the air inlet pipe 8 is connected with the inlet pipe 4, the air inlet pipe 8 is provided with an air inlet valve 9, the air inlet valve 9 is opened, steam enters the inlet pipe 4 through the air inlet pipe 8, a drainage pipe 10 is communicated with the air inlet pipe 8 between the air inlet valve 9 and the inlet pipe 4, the drainage pipe 10 is externally connected with a sewage collecting place such as a collecting tank, and condensed water and sewage in the heating module 2 are discharged through the drainage pipe 10;
the air outlet pipeline 11 is connected with the outlet pipe 5, the air outlet pipeline 11 is provided with an air outlet valve 12, the air outlet valve 12 is opened, steam enters the air outlet pipeline 11 through the outlet pipe 5 and is finally discharged, an air purging pipe 13 is communicated with the air outlet pipeline 11 between the air outlet valve 12 and the outlet pipe 5, the air purging pipe 13 is externally connected with purging equipment, and condensate water and sewage in the heating module 2 are purged to the drainage pipeline 10 through air and are discharged;
valves 14 are provided on the drain pipe 10 and the air purge pipe 13, respectively.
Working principle: when the boiler is used, the air inlet valve 9 is opened, the valve 14 on the drain pipeline 10 is closed, steam enters the inlet pipe 4 through the air inlet pipeline 8, after the steam is introduced into the inlet pipe 4, the steam can sequentially pass through the vertical pipe 6 and the transverse pipe 7 and then reach the outlet pipe 5, heat is dissipated through the threaded fins of the transverse pipe 7, the transverse pipes 7 of the adjacent heating assemblies 3 are arranged in a staggered manner, the heat dissipation area is enhanced, the air outlet valve 12 is opened, the valve 14 on the air purging pipe 13 is closed, the steam enters the air outlet pipeline 11 through the outlet pipe 5 and is finally discharged, cold air passes through the heating module 2 in the rectangular three-dimensional frame 1 before the boiler fan introduces air into the boiler, the heat is exchanged and warmed by the heat dissipated by the threaded fins, and the hot air enters the boiler to promote the combustion heat efficiency of the boiler.
Opening a valve 14 on an air purging pipe 13, closing an air outlet valve 12, externally connecting the air purging pipe 13 with purging equipment, sequentially passing the condensate and sewage in the heating module 2 through an air purging pipeline 11, an inlet pipe 4, a vertical pipe 6, a transverse pipe 7, the inlet pipe 4 and an air inlet pipeline 8 to a drainage pipeline 10, opening the valve 14 on the drainage pipeline 10, closing an air inlet valve 9, externally connecting the drainage pipeline 10 with a collecting tank and other sewage collecting positions, discharging the condensate and sewage in the heating module 2 through the drainage pipeline 10, avoiding the residual rust pipeline, and simultaneously preventing the residual excessive low-temperature water from affecting the steam temperature.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The cold air heater in front of the blower is characterized by comprising a rectangular three-dimensional frame, a heating module, an air inlet pipeline, an air inlet valve, a drainage pipeline, an air outlet valve and an air purging pipe;
the heating module is fixed in the rectangular three-dimensional frame;
the heating module comprises a plurality of heating assemblies, inlet pipes and outlet pipes which are arranged side by side, each heating assembly consists of two vertical pipes and a plurality of transverse pipes communicated with each other, the end parts of the vertical pipes on the same side at the bottom of the heating assemblies are respectively communicated with the inlet pipes, and the end parts of the other vertical pipes on the same side at the top of the heating assemblies are respectively communicated with the outlet pipes;
the air inlet pipeline is connected with the inlet pipe, the air inlet valve is arranged on the air inlet pipeline, and the water drain pipeline is communicated with the air inlet pipeline between the air inlet valve and the inlet pipe;
the air outlet pipeline is connected with the outlet pipe, the air outlet valve is arranged on the air outlet pipeline, and the air purging pipe is communicated with the air outlet pipeline between the air outlet valve and the outlet pipe;
valves are respectively arranged on the drain pipeline and the air purging pipe.
2. The pre-blower cool air heater as set forth in claim 1, wherein: the rectangular three-dimensional frame comprises a rectangular frame at the top, a rectangular plate at the bottom, and a connecting rod fixedly connected between the rectangular frame and the edge of the rectangular plate.
3. A pre-blower cool air heater as defined in claim 2, wherein: the cross tubes adjacent to the heating assembly are staggered.
4. A pre-blower cool air heater as set forth in claim 3, wherein: the transverse tube is a threaded finned tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320864223.7U CN219454006U (en) | 2023-04-17 | 2023-04-17 | Cold air heater before forced draught blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320864223.7U CN219454006U (en) | 2023-04-17 | 2023-04-17 | Cold air heater before forced draught blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219454006U true CN219454006U (en) | 2023-08-01 |
Family
ID=87415197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320864223.7U Active CN219454006U (en) | 2023-04-17 | 2023-04-17 | Cold air heater before forced draught blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219454006U (en) |
-
2023
- 2023-04-17 CN CN202320864223.7U patent/CN219454006U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101191666B (en) | Gas burner water heater condensing type heat-exchanger rig | |
| CN102538516A (en) | Horizontal fixed tube sheet type heat exchanging device and method | |
| CN202012904U (en) | Boiler waste heat recovery system | |
| CN219454006U (en) | Cold air heater before forced draught blower | |
| CN202485478U (en) | Direct air-cooling condensing system with peak cooler | |
| CN104566981A (en) | Flue gas condensation recovery device of gas heating hot water boiler | |
| CN201028567Y (en) | Heat pipe type air preheater | |
| CN200989662Y (en) | Condensation heat exchanger for gas water heater | |
| CN202442617U (en) | Horizontal fixed tube plate type heat exchanger | |
| CN102607291A (en) | Direct air-cooling and condensing system with peak cooler | |
| CN213778733U (en) | Heat pipe low-temperature economizer | |
| CN212029473U (en) | Condensate water recovery transformation device | |
| CN212339199U (en) | Boiler system for cleaning and efficiently recycling heat energy | |
| CN204404539U (en) | A kind of gas-heating water heater fume afterheat condensate recycling device | |
| CN210332239U (en) | Power plant flue gas emission system and desulphurization unit | |
| CN107726878B (en) | Natural ventilation direct air cooling system | |
| CN205482495U (en) | Heat pipe residual heat from flue gas device | |
| Mamadalieva et al. | Reducing heat losses in air-cooled units with fuel gas heating using finned tubes in a design used at thermal power plants with a combined cycle gas device | |
| CN220322132U (en) | Direct heating type evaporator of low-temperature flue gas waste heat generator set | |
| CN201255009Y (en) | Hydrophobic recovering box for steam turbine | |
| CN204494805U (en) | Condensing normal-pressure hot-water boiler | |
| CN216717094U (en) | Double-circulation separated heat pipe waste heat boiler | |
| RU2760424C1 (en) | Air condensing plant and method of its operation at start-up at minimum steam flow and negative cooling air temperatures | |
| CN213599613U (en) | Improved evaporation cooling structure | |
| CN220648299U (en) | ORC is with taking cooling hot water circulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |