CN220453639U - Steam recycling device - Google Patents
Steam recycling device Download PDFInfo
- Publication number
- CN220453639U CN220453639U CN202322148721.4U CN202322148721U CN220453639U CN 220453639 U CN220453639 U CN 220453639U CN 202322148721 U CN202322148721 U CN 202322148721U CN 220453639 U CN220453639 U CN 220453639U
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- Prior art keywords
- heat exchanger
- pipeline
- liquid inlet
- liquid
- steam
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- 238000004064 recycling Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000002918 waste heat Substances 0.000 claims abstract description 23
- 238000010992 reflux Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model relates to the field of metallurgical equipment, in particular to a steam recycling device, which comprises a waste heat boiler, a fuming small steam drum and a water tank, wherein a heat exchanger is arranged between the fuming small steam drum and the water tank; the upper end of the heat exchanger is provided with an air inlet and a liquid outlet, the air inlet is externally connected with an air inlet pipeline, the air inlet pipeline is communicated with the fuming small steam drum, the liquid outlet is externally connected with a liquid outlet pipeline, and the liquid outlet pipeline is communicated with the waste heat boiler; the lower end of the heat exchanger is provided with a water outlet and a liquid inlet, the water outlet is connected with a buffer tank, one end of the buffer tank is provided with a reflux pump, the other end of the reflux pump is communicated with the water tank through a reflux pipe, the liquid inlet is externally connected with a liquid inlet pipeline, and the liquid inlet pipeline is communicated with the water tank; a plurality of heating pipes are arranged in the heat exchanger, and connecting plates are arranged between the heating pipes and the liquid inlet and between the heating pipes and the liquid outlet. According to the utility model, through the heat exchanger and the buffer tank, not only is the steam heat recovered, but also the condensed water is recycled, so that the cost is saved, and the waste is avoided.
Description
Technical Field
The utility model relates to the field of metallurgical equipment, in particular to a steam recycling device.
Background
In the smelting process of lead and zinc, a large amount of water needs to be added into the waste heat boiler, the waste heat boiler is heated after the water enters the waste heat boiler, then the waste heat boiler is put into use, a large amount of steam is contained in a small steam drum (a small fuming steam drum) of a cooling water jacket of the fuming smelting furnace, the internal pressure of the small fuming steam drum needs to be maintained at 1-2 kg during normal operation, when the internal pressure of the small fuming steam drum is greater than 2 kg, an empty exhaust valve needs to be opened to discharge steam, and the discharged steam cannot be supplied to other equipment for production due to smaller pressure, so that a large amount of steam is wasted, and larger noise can be generated in the steam discharging process to influence on-site production.
Disclosure of Invention
The utility model provides a steam recycling device for solving the problems of steam waste and a large amount of noise generated due to the fact that steam in a fuming small steam drum is discharged, and not only is steam heat recovered through a heat exchanger and a buffer tank, but also condensed water is recycled, so that cost is saved, and waste is avoided.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the steam recycling device comprises a waste heat boiler, a fuming small steam drum and a water tank, wherein a heat exchanger is arranged between the fuming small steam drum and the water tank;
the upper end of the heat exchanger is provided with an air inlet and a liquid outlet, the air inlet is externally connected with an air inlet pipeline, the air inlet pipeline is communicated with the fuming small steam drum, the liquid outlet is externally connected with a liquid outlet pipeline, and the liquid outlet pipeline is communicated with the waste heat boiler;
the lower end of the heat exchanger is provided with a water outlet and a liquid inlet, the water outlet is connected with a buffer box through a pipeline, one end of the buffer box is provided with a reflux pump, the other end of the reflux pump is communicated with a water tank through a reflux pipe, the liquid inlet is externally connected with a liquid inlet pipeline, and the liquid inlet pipeline is communicated with the water tank;
the heat exchanger is internally provided with a plurality of heating pipes, a plurality of heating pipes are communicated with the liquid inlet together at one end, the other ends of the heating pipes are communicated with the liquid outlet together, and connecting plates are arranged between the heating pipes and the liquid inlet and between the heating pipes and the liquid outlet.
Further, a valve I is arranged at the air inlet of the heat exchanger, a valve II is arranged at the liquid outlet of the heat exchanger, a valve III is arranged at the liquid inlet of the heat exchanger, a connecting pipeline is arranged between the liquid inlet pipeline and the liquid outlet pipeline, a valve IV is arranged on the connecting pipeline, and when the valve IV is opened, the valve II and the valve III are closed, water in the water tank can be directly added into the waste heat boiler;
be provided with tee bend spare between admission line and the little steam pocket of fuming, tee bend spare one end is linked together with the little steam pocket of fuming, one end is linked together with the admission line, and the other end is provided with the blast pipe, be provided with valve five on the blast pipe, when opening valve five, close valve one, can make the steam in the little steam pocket of fuming direct discharge.
Further, the heating pipe is coiled in a serpentine shape in the heat exchanger, and a plurality of fixing plates for fixing the heating pipe are arranged in the heat exchanger and are used for fixing the heating pipe.
Further, a liquid inlet pump is arranged on the liquid inlet pipeline.
Further, the inside water level detection device that is provided with of buffer tank, water level detection device and backward flow pump controlling means electric connection, when the inside water level of buffer tank is high, start the backward flow pump, when the inside water level of buffer tank is low, close the backward flow pump.
Through the technical scheme, the utility model has the beneficial effects that:
according to the utility model, steam in the fuming small steam drum can exchange heat with water in the heat exchanger, so that heat in the steam is recovered, and resource waste is reduced; the steam is changed into condensed water after heat exchange through the heat exchanger and flows into the buffer tank, and then the condensed water in the buffer tank is added into the water tank, so that water resources are recovered, and water resource waste is reduced; when water in the water tank passes through the heat exchanger, the water can exchange heat with steam in the heat exchanger to form hot water, and the hot water is added into the waste heat boiler, so that heating resources in the waste heat boiler are saved, and the cost is saved.
According to the utility model, the heat exchanger is internally provided with the plurality of heating pipes, so that the heat exchange area is increased, the plurality of fixing plates are arranged, the heating pipes are fixed, meanwhile, steam can be guided to move in a serpentine shape to the water outlet, and the condensed water is guided to flow out through the water outlet by arranging the connecting plate.
According to the utility model, the valve I, the valve II, the valve III, the valve IV and the valve V are arranged, so that when the heat exchanger and related pipelines need to be maintained, the valve IV and the valve V can be opened, the valve I, the valve II and the valve III are closed, the normal use of the fuming small steam drum and the waste heat boiler is not influenced, and the maintenance without shutdown is realized.
Drawings
FIG. 1 is an overall schematic of a vapor recovery device of the present utility model;
FIG. 2 is a schematic view of a heat exchanger in a vapor recovery device of the present utility model;
fig. 3 is an enlarged schematic view of a steam recycling apparatus of the present utility model at a in fig. 1.
The reference numerals in the drawings are:
1 is a waste heat boiler, 2 is a fuming small steam drum, 3 is a water tank, 4 is a heat exchanger, 5 is an air inlet pipeline, 6 is a liquid outlet pipeline, 7 is a buffer tank, 8 is a reflux pump, 9 is a reflux pipeline, 10 is a heating pipe, 11 is a connecting plate, 12 is a valve I, 13 is a valve II, 14 is a valve III, 15 is a valve IV, 16 is a valve V, 17 is a fixed plate, 18 is a liquid inlet pump, 19 is a water level detection device, and 20 is a liquid inlet pipeline.
Detailed Description
The utility model is further described with reference to the drawings and detailed description which follow:
in the description of the present utility model, it should be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1 to 3, the steam recycling device comprises a waste heat boiler 1, a fuming small steam drum 2 and a water tank 3, wherein a heat exchanger 4 is arranged between the fuming small steam drum 2 and the water tank 3;
the upper end of the heat exchanger 4 is provided with an air inlet and a liquid outlet, the air inlet is externally connected with an air inlet pipeline 5, the air inlet pipeline 5 is communicated with the fuming small steam drum 2, the liquid outlet is externally connected with a liquid outlet pipeline 6, and the liquid outlet pipeline 6 is communicated with the waste heat boiler 1;
the lower end of the heat exchanger 4 is provided with a water outlet and a liquid inlet, the water outlet is connected with a buffer tank 7 through a pipeline, one end of the buffer tank 7 is provided with a reflux pump 8, the other end of the reflux pump 8 is communicated with the water tank 3 through a reflux pipe, the liquid inlet is externally connected with a liquid inlet pipeline 20, and the liquid inlet pipeline 20 is communicated with the water tank 3;
the heat exchanger 4 is internally provided with a plurality of heating pipes 10, a plurality of heating pipes 10 one end is linked together with the inlet, and a plurality of heating pipes 10 other end is linked together with the liquid outlet jointly, all be provided with connecting plate 11 between heating pipe 10 and the inlet, between heating pipe 10 and the liquid outlet.
In addition, a valve I12 is arranged at the air inlet of the heat exchanger 4, a valve II 13 is arranged at the liquid outlet of the heat exchanger 4, a valve III 14 is arranged at the liquid inlet of the heat exchanger 4, a connecting pipeline is arranged between the liquid inlet pipeline 20 and the liquid outlet pipeline 6, a valve IV 15 is arranged on the connecting pipeline, and when the valve IV 15 is opened, the valve II 13 and the valve III 14 are closed, water in the water tank 3 can be directly added into the waste heat boiler 1, so that the normal production of the waste heat boiler 1 is ensured;
the utility model can maintain components such as a heat exchanger 4 under the condition that the normal use of the fuming small steam drum 2 and the waste heat boiler 1 is not influenced.
Specifically, the heating pipe 10 is coiled inside the heat exchanger 4 in a serpentine shape, a plurality of fixing plates 17 for fixing the heating pipe 10 are arranged inside the heat exchanger 4, the heating pipe 10 is fixed through the fixing plates 17, and steam is guided to move in a serpentine shape to the water outlet, so that the steam utilization rate is increased.
In this embodiment, the liquid inlet pipe 20 is provided with a liquid inlet pump 18, and water is added into the waste heat boiler 1 through the liquid inlet pump 18.
In this embodiment, the inside water level detection device 19 that is provided with of buffer tank 7, water level detection device 19 and reflux pump 8 controlling means electric connection, when the inside water level of buffer tank 7 is high, start reflux pump 8, when the inside water level of buffer tank 7 is low, close reflux pump 8, stop through setting up the start of water level detection device 19 control reflux pump 8, guarantee the inside water level of buffer tank 7, need not the manual work and take care.
In practical application, referring to fig. 1 to 3 again, after the steam is discharged from the fuming small steam drum 2, the steam enters the heat exchanger 4 through the air inlet pipeline 5, the steam becomes condensed water after heat exchange in the heat exchanger 4 and flows into the buffer tank 7, and the condensed water in the buffer tank 7 flows into the water tank 3 through the return pipeline 9;
the water in the water tank 3 enters the heat exchanger 4 through the liquid inlet pipeline 20, exchanges heat with steam in the heat exchanger 4, and enters the waste heat boiler 1 through the liquid outlet pipeline 6.
The utility model recovers heat and water resources in steam, reduces resource waste, saves internal heating resources of the waste heat boiler 1 and saves cost.
The above-described embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims should be included in the scope of the present utility model.
Claims (5)
1. The steam recycling device comprises a waste heat boiler (1), a fuming small steam drum (2) and a water tank (3), and is characterized in that a heat exchanger (4) is arranged between the fuming small steam drum (2) and the water tank (3);
the upper end of the heat exchanger (4) is provided with an air inlet and a liquid outlet, the air inlet is externally connected with an air inlet pipeline (5), the air inlet pipeline (5) is communicated with the fuming small steam drum (2), the liquid outlet is externally connected with a liquid outlet pipeline (6), and the liquid outlet pipeline (6) is communicated with the waste heat boiler (1);
the heat exchanger is characterized in that a water outlet and a liquid inlet are formed in the lower end of the heat exchanger (4), the water outlet is connected with a buffer box (7) through a pipeline, a reflux pump (8) is arranged at one end of the buffer box (7), the other end of the reflux pump (8) is communicated with the water tank (3) through a reflux pipe, a liquid inlet pipeline (20) is externally connected with the liquid inlet, and the liquid inlet pipeline (20) is communicated with the water tank (3);
the heat exchanger is characterized in that a plurality of heating pipes (10) are arranged inside the heat exchanger (4), one ends of the heating pipes (10) are jointly communicated with the liquid inlet, the other ends of the heating pipes (10) are jointly communicated with the liquid outlet, and connecting plates (11) are arranged between the heating pipes (10) and the liquid inlet and between the heating pipes (10) and the liquid outlet.
2. The steam recycling device according to claim 1, wherein a valve I (12) is arranged at an air inlet of the heat exchanger (4), a valve II (13) is arranged at a liquid outlet of the heat exchanger (4), a valve III (14) is arranged at a liquid inlet of the heat exchanger (4), a connecting pipeline is arranged between the liquid inlet pipeline (20) and the liquid outlet pipeline (6), and a valve IV (15) is arranged on the connecting pipeline;
be provided with tee bend spare between admission line (5) and the little steam pocket of fuming (2), tee bend spare one end is linked together with little steam pocket of fuming (2), one end is linked together with admission line (5), and the other end is provided with the blast pipe, be provided with valve five (16) on the blast pipe.
3. A steam recycling device according to claim 1, characterized in that the heating pipe (10) is coiled inside the heat exchanger (4) in a serpentine shape, and a plurality of fixing plates (17) for fixing the heating pipe (10) are arranged inside the heat exchanger (4).
4. A steam recycling apparatus according to claim 1, characterized in that the liquid inlet pipe (20) is provided with a liquid inlet pump (18).
5. The steam recycling device according to claim 1, wherein a water level detection device (19) is arranged inside the buffer tank (7), and the water level detection device (19) is electrically connected with a control device of the reflux pump (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322148721.4U CN220453639U (en) | 2023-08-10 | 2023-08-10 | Steam recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322148721.4U CN220453639U (en) | 2023-08-10 | 2023-08-10 | Steam recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220453639U true CN220453639U (en) | 2024-02-06 |
Family
ID=89729772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322148721.4U Active CN220453639U (en) | 2023-08-10 | 2023-08-10 | Steam recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220453639U (en) |
-
2023
- 2023-08-10 CN CN202322148721.4U patent/CN220453639U/en active Active
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