CN219367985U - One-machine dual-purpose hot-water hot-blast stove - Google Patents
One-machine dual-purpose hot-water hot-blast stove Download PDFInfo
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- CN219367985U CN219367985U CN202223551086.6U CN202223551086U CN219367985U CN 219367985 U CN219367985 U CN 219367985U CN 202223551086 U CN202223551086 U CN 202223551086U CN 219367985 U CN219367985 U CN 219367985U
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Abstract
The utility model discloses a dual-purpose hot-water hot-blast stove, which relates to the technical field of hot-blast stoves and comprises a combustion furnace, a hot-air heat exchange cavity and a hot-water heat exchange cavity, wherein a first multi-return hot-air heat exchanger is arranged in the hot-air heat exchange cavity, and a second multi-return hot-air heat exchanger is arranged in the hot-water heat exchange cavity; the hot air inlet of the first multi-return hot air heat exchanger is communicated and ventilated with the flue gas port of the combustion furnace finally, the hot air heat exchange cavity is correspondingly provided with an air inlet and an air outlet, the hot water heat exchange cavity is correspondingly provided with a water inlet and a water outlet, and hot air and hot water required by production can be obtained simultaneously only by one combustion furnace; the hot flue gas obtained by combustion in the combustion furnace is firstly used for heating air so as to obtain hot air with higher temperature, then the hot flue gas is used for heating water, the heatable temperature of the water under normal pressure is 100 ℃, and the heat utilization and heating sequence is reasonable, so that on one hand, the hot air with higher temperature can be ensured to be obtained, and on the other hand, the heat of the hot flue gas can be prevented from directly losing after the hot flue gas heats the air.
Description
Technical Field
The utility model relates to the technical field of hot air furnaces, in particular to a one-machine dual-purpose hot water hot air furnace.
Background
The hot blast stove is necessary heating equipment in many industrial productions, and converts chemical energy or electric energy of conventional energy into heat energy, and the heat energy is supplied to corresponding equipment in the form of hot air, and is generally used in production processes of coating machines, printing machines, fiber cotton machines and the like which need heating and drying industries.
The applicant has filed a Chinese patent number 201720222987.0 'an automatic dedusting biological particle hot blast stove', and when the hot flue gas generated by combustion passes through the heat exchange tube in the middle of the heat exchange cavity, the hot flue gas is introduced into the air in the heat exchange cavity to exchange heat, so that the air in the heat exchange cavity is heated to raise the temperature, and hot gas which can be applied is obtained.
However, the equipment can only prepare hot air, and for enterprises needing hot air and hot water, if the enterprises also carry out tableware disinfection, product washing, electroplating and other production lines needing hot water, the enterprises need to be provided with a hot-air furnace in addition to the hot-air furnace, and the problems of cost and occupation of land are all great problems of the enterprises. Therefore, it is necessary to invent a hot water and hot air one-machine dual-purpose combustion furnace.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the one-machine dual-purpose hot-water hot-blast stove comprises a combustion furnace, a hot-air heat exchange cavity and a hot-water heat exchange cavity, wherein a first multi-return hot-air heat exchanger is arranged in the hot-air heat exchange cavity, and a second multi-return hot-air heat exchanger is arranged in the hot-water heat exchange cavity; the hot air inlet of the first multi-return hot air heat exchanger is communicated and ventilated with the flue gas port of the combustion furnace, the hot air outlet of the first multi-return hot air heat exchanger is communicated and ventilated with the hot air inlet of the second multi-return hot air heat exchanger through a pipeline, and the hot air outlet of the second multi-return hot air heat exchanger is communicated to the outside of the hot water heat exchange cavity through a pipeline for exhausting; the hot air heat exchange cavity is correspondingly provided with an air inlet and an air outlet, air enters the hot air heat exchange cavity from the air inlet and is discharged from the air outlet, and a heat exchange air channel is formed in the hot air heat exchange cavity, wherein the heat exchange air channel passes through the heat exchange surface of the first multi-return hot air heat exchanger; the hot water heat exchange cavity is correspondingly provided with a water inlet and a water outlet, water enters the hot water heat exchange cavity from the water inlet and is discharged from the water outlet, and a heat exchange water channel is formed in the hot water heat exchange cavity, wherein the heat exchange water channel passes through the heat exchange surface of the second multi-return hot air heat exchanger.
As a further scheme of the utility model: the first multi-return hot air heat exchanger comprises a first air inlet main pipe, a first air outlet main pipe and at least one group of first multi-return heat exchange pipes communicated between the first air inlet main pipe and the first air outlet main pipe.
As a further scheme of the utility model: the first multi-return heat exchange tube is formed by sequentially connecting a plurality of S-shaped hot air pipes.
As a further scheme of the utility model: the second multi-return hot air heat exchanger comprises a second air inlet main pipe, a second air outlet main pipe and at least one group of second multi-return heat exchange pipes which are communicated between the second air inlet main pipe and the second air outlet main pipe.
As a further scheme of the utility model: the second multi-return heat exchange tube is formed by sequentially connecting a plurality of S-shaped hot air pipes.
As a further scheme of the utility model: the flue gas port of the combustion furnace is communicated with the air inlet of the cyclone dust collector through a pipeline, and the air outlet of the cyclone dust collector is communicated with the hot air inlet of the first multi-return hot air heat exchanger through a pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
only one combustion furnace is needed to obtain hot air and hot water required by production; the hot flue gas obtained by combustion in the combustion furnace is firstly used for heating air so as to obtain hot air with higher temperature, then the hot flue gas is used for heating water, the heatable temperature of the water under normal pressure is 100 ℃, and the heat utilization and heating sequence is reasonable, so that on one hand, the hot air with higher temperature can be ensured to be obtained, and on the other hand, the heat of the hot flue gas can be prevented from directly losing after the hot flue gas heats the air.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
fig. 2 is a top view of the structure of the present utility model.
Reference numerals and names in the drawings are as follows:
the device comprises a combustion furnace-1, a hot air heat exchange cavity-2, a hot water heat exchange cavity-3, a first multi-return hot air heat exchanger-4, a second multi-return hot air heat exchanger-5, a cyclone dust collector-6, a circulating water pump-7, a cooling pipe-8, an air inlet-21, an air outlet-22, a water inlet-31 and a water outlet-32.
Detailed Description
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.
Referring to fig. 1-2, the dual-purpose hot-water hot-blast stove comprises a combustion furnace 1, a hot-air heat exchange cavity 2 and a hot-water heat exchange cavity 3, wherein a first multi-return hot-air heat exchanger 4 is arranged in the hot-air heat exchange cavity 2, and a second multi-return hot-air heat exchanger 5 is arranged in the hot-water heat exchange cavity 3.
The hot air inlet of the first multi-return hot air heat exchanger 4 is communicated and ventilated with the flue gas port of the combustion furnace 1 finally, the hot air outlet of the first multi-return hot air heat exchanger 4 is communicated and ventilated with the hot air inlet of the second multi-return hot air heat exchanger 5 through a pipeline, and the hot air outlet of the second multi-return hot air heat exchanger 5 is communicated to the outside of the hot water heat exchange cavity 3 through a pipeline for exhausting.
The hot air heat exchange cavity 2 is correspondingly provided with an air inlet 21 and an air outlet 22, air enters the hot air heat exchange cavity 2 from the air inlet 21 and is discharged from the air outlet 22, and a heat exchange air channel is formed in the hot air heat exchange cavity 2, wherein the heat exchange air channel passes through the heat exchange surface of the first multi-return hot air heat exchanger, so that the air entering the hot air heat exchange cavity 2 can exchange heat with hot flue gas passing through the first multi-return hot air heat exchanger.
The hot water heat exchange cavity 3 is correspondingly provided with a water inlet 31 and a water outlet 32, water enters the hot water heat exchange cavity 3 from the water inlet 31 and is discharged from the water outlet 32, and a heat exchange water channel is formed in the hot water heat exchange cavity 3, wherein the heat exchange water channel passes through the heat exchange surface of the second multi-return hot air heat exchanger, so that air entering the hot water heat exchange cavity 3 can exchange heat with hot flue gas passing through the second multi-return hot air heat exchanger.
The hot flue gas obtained by combustion in the combustion furnace 1 firstly enters the first multi-return hot air heat exchanger 4 from the hot air inlet of the first multi-return hot air heat exchanger 4, then flows to the second multi-return hot air heat exchanger 5 and finally is discharged, in the process, a user can introduce air from the air inlet 21 of the hot air heat exchange cavity 2, and the air exchanges heat with the hot flue gas in the first multi-return hot air heat exchanger 4 in the hot air heat exchange cavity 2, so that the air discharged from the air outlet 22 of the hot air heat exchange cavity 2 is heated hot air; the user can introduce the water body from the water inlet 31 of the hot water heat exchange cavity 3, and the water body exchanges heat with the hot flue gas in the second multi-return hot air heat exchanger 5 in the hot water heat exchange cavity 3, so that the water body discharged from the water outlet 32 of the hot water heat exchange cavity 3 is heated hot water. Only one combustion furnace is needed to obtain hot air and hot water required by production.
The hot flue gas obtained by burning in the combustion furnace 1 is firstly used for heating air so as to obtain hot air with higher temperature, then the hot flue gas is used for heating water, the heatable temperature of the water under normal pressure is 100 ℃, and the heat utilization and heating sequence is reasonable. On one hand, the hot air with higher temperature can be ensured, and on the other hand, the heat loss of the hot flue gas after the hot air is heated can be avoided.
Preferably, the first multi-return hot air heat exchanger comprises a first air inlet main pipe, a first air outlet main pipe and at least one group of first multi-return heat exchange pipes communicated between the first air inlet main pipe and the first air outlet main pipe. The first multi-return heat exchange tube is formed by sequentially connecting a plurality of S-shaped hot air pipes.
The second multi-return hot air heat exchanger comprises a second air inlet main pipe, a second air outlet main pipe and at least one group of second multi-return heat exchange pipes which are communicated between the second air inlet main pipe and the second air outlet main pipe. The second multi-return heat exchange tube is formed by sequentially connecting a plurality of S-shaped hot air pipes.
The first multi-return hot air heat exchanger 4 has better heat exchange efficiency in hot air preparation, and the second multi-return hot air heat exchanger 5 has better heat exchange efficiency in hot water preparation.
In the embodiment of the utility model, a cyclone dust collector 6 is also arranged, a flue gas port of the combustion furnace 1 is communicated with an air inlet of the cyclone dust collector 6 through a pipeline, and an air outlet of the cyclone dust collector 6 is communicated with a hot air inlet of the first multi-return hot air heat exchanger 4 through a pipeline. Before the hot flue gas enters the first multi-return hot air heat exchanger 4 and the second multi-return hot air heat exchanger 5, the cyclone dust remover 6 carries out cyclone centrifugal dust removal first, so that the risk of dust blockage is reduced.
Referring to fig. 2 specifically, in the embodiment of the present utility model, the hot water heat exchange cavity 3 is further connected with a cooling pipe 8 and a circulating water pump 7, the circulating water pump 7 is used for circulating the water in the hot water heat exchange cavity 3 into the cooling pipe 8, and most pipe sections of the cooling pipe 8 are located outside the hot water heat exchange cavity 3.
When hot water is not needed to be supplied in a certain period of time, the hot water heat exchange cavity 3 can be used for heat dissipation before hot flue gas is discharged, the circulating water pump 7 is turned on, the water body in the hot water heat exchange cavity 3 is driven to flow back into the hot water heat exchange cavity 3 to dissipate heat of the second multi-return hot air heat exchanger 5 after being cooled by the cooling pipe 8, and therefore the discharge temperature of the hot flue gas is reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The one-machine dual-purpose hot-water hot-blast stove is characterized by comprising a combustion furnace, a hot-air heat exchange cavity and a hot-water heat exchange cavity, wherein a first multi-return hot-air heat exchanger is arranged in the hot-air heat exchange cavity, and a second multi-return hot-air heat exchanger is arranged in the hot-water heat exchange cavity;
the hot air inlet of the first multi-return hot air heat exchanger is communicated and ventilated with the flue gas port of the combustion furnace, the hot air outlet of the first multi-return hot air heat exchanger is communicated and ventilated with the hot air inlet of the second multi-return hot air heat exchanger through a pipeline, and the hot air outlet of the second multi-return hot air heat exchanger is communicated to the outside of the hot water heat exchange cavity through a pipeline for exhausting;
the hot air heat exchange cavity is correspondingly provided with an air inlet and an air outlet, air enters the hot air heat exchange cavity from the air inlet and is discharged from the air outlet, and a heat exchange air channel is formed in the hot air heat exchange cavity, wherein the heat exchange air channel passes through the heat exchange surface of the first multi-return hot air heat exchanger;
the hot water heat exchange cavity is correspondingly provided with a water inlet and a water outlet, water enters the hot water heat exchange cavity from the water inlet and is discharged from the water outlet, and a heat exchange water channel is formed in the hot water heat exchange cavity, wherein the heat exchange water channel passes through the heat exchange surface of the second multi-return hot air heat exchanger.
2. The dual-purpose hot-blast stove according to claim 1, characterized in that said first multi-return hot-blast heat exchanger comprises a first inlet manifold, a first outlet manifold, and at least one set of first multi-return heat exchange tubes communicating between the first inlet manifold and the first outlet manifold.
3. The dual-purpose hot-water hot-blast stove according to claim 2, characterized in that the first multi-return heat exchange tube is formed by sequentially connecting a plurality of S-shaped hot-blast pipes.
4. The dual-purpose hot-blast stove according to claim 1, characterized in that said second multi-return hot-blast heat exchanger comprises a second inlet manifold, a second outlet manifold, and at least one set of second multi-return heat exchange tubes communicating between the second inlet manifold and the second outlet manifold.
5. The dual-purpose hot-water hot-blast stove according to claim 4, characterized in that the second multi-return heat exchange tube is formed by sequentially connecting a plurality of S-shaped hot-blast pipes.
6. The dual-purpose hot-water hot-blast stove according to claim 1, characterized in that a cyclone dust collector is provided, the flue gas port of the combustion furnace is communicated with the air inlet of the cyclone dust collector through a pipeline, and the air outlet of the cyclone dust collector is communicated with the hot air inlet of the first multi-return hot air heat exchanger through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223551086.6U CN219367985U (en) | 2022-12-27 | 2022-12-27 | One-machine dual-purpose hot-water hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223551086.6U CN219367985U (en) | 2022-12-27 | 2022-12-27 | One-machine dual-purpose hot-water hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219367985U true CN219367985U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223551086.6U Active CN219367985U (en) | 2022-12-27 | 2022-12-27 | One-machine dual-purpose hot-water hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219367985U (en) |
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2022
- 2022-12-27 CN CN202223551086.6U patent/CN219367985U/en active Active
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