CN212030277U - Waste heat and residual cold heat exchange device - Google Patents
Waste heat and residual cold heat exchange device Download PDFInfo
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- CN212030277U CN212030277U CN201922269243.6U CN201922269243U CN212030277U CN 212030277 U CN212030277 U CN 212030277U CN 201922269243 U CN201922269243 U CN 201922269243U CN 212030277 U CN212030277 U CN 212030277U
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Abstract
The utility model discloses a waste heat and waste cold heat exchange device, which comprises a waste heat exchange device body, wherein the waste heat exchange device body comprises a smoke tube; the waste heat exchange device body further comprises a bobbin, a first heat exchange tube, a second heat exchange tube, an automatic exhaust valve, a first water source water inlet, a first water source water outlet, a second water source water inlet and a second water source water outlet. The utility model has the advantages that: the heat of boiler chimney flue gas can be recovered, the cold and heat of the exhaust air of a building toilet, a meeting room or a report hall can be recovered by switching the electric air valves, the heat of the exhaust air of a data machine room and a data center can be recovered, two waste heat purposes can be realized simultaneously, and the utilization efficiency of the flue gas waste heat is high.
Description
Technical Field
The utility model relates to a heat transfer device specifically is a surplus cold heat transfer device of waste heat, belongs to waste heat energy-saving recycle technical field.
Background
The boiler heating system is a heating device usually applied to large-scale public buildings, and can keep the temperature in a house through the boiler heating system so as to ensure the comfort of people living in the house. However, a large amount of flue gas can be generated in the working process of the boiler, so that the waste heat of the flue gas is not fully utilized, and the waste of energy is caused.
Based on the extravagant problem of flue gas waste heat, the system of recycling to flue gas waste heat has been proposed among the prior art, when the boiler disclosed wherein is using, the heat that the fuel burning in the furnace produced at first heats the water in the heating system, the flue gas that the fuel produced heats the water in the water supply system again, for the heat of make full use of flue gas, the flue gas after heating the water supply system does not discharge immediately, but through setting up the preheater, the waste heat of flue gas heats the water in the preheater in the reuse furnace. The utility model discloses a can make full use of fuel can make the heat utilization ratio reach more than 20%, the energy saving. However, the use of the waste heat is single, the heating is usually used all day long in the heating season, the bathing time period is generally not more than 12 hours, and the waste heat of the flue gas cannot be fully utilized under the condition that the water of the bathing water supply system is not used, so that the waste of heat is caused.
The large-scale public building toilets, meeting rooms or report halls and other dense spaces are all provided with air exhaust systems, a large amount of air is exhausted in each season, cold air is exhausted in summer, hot air is exhausted in winter, and the cold quantity and the heat quantity of the exhausted air are directly exhausted without being utilized and are seriously wasted. In addition to boilers, large public buildings are usually provided with auxiliary cooling or heating measures such as VRV in transitional seasons, and hot air or cold air is discharged in transitional seasons. In addition, in the information-based era, large-scale public building often is equipped with the data computer lab, and some important office building are equipped with data center, because computer calorific capacity is great, and a large amount of heats of data computer lab and data center discharge all the year around can carry out recycle, and based on this, this application provides a surplus cold heat transfer device of waste heat.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a surplus cold heat transfer device of waste heat in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a waste heat and waste cold heat exchange device comprises a waste heat exchange device body, wherein the waste heat exchange device body comprises a smoke tube; the waste heat exchange device body further comprises a bobbin, a first heat exchange tube, a second heat exchange tube, an automatic exhaust valve, a first water source water inlet, a first water source water outlet, a second water source water inlet and a second water source water outlet;
the bobbin is sleeved outside the smoke tube, a gap is reserved between the bobbin and the tube wall of the smoke tube, the first heat exchange tube is arranged inside the smoke tube and extends along the axial direction of the smoke tube, two ends of the first heat exchange tube are respectively connected with the tube wall of the smoke tube and form a communicating port communicated with the gap on the tube wall of the smoke tube, the second heat exchange pipe is arranged in the gap along the axial direction of the smoke pipe and close to the outer part of the smoke inlet pipe, the first water source water inlet is arranged on the bobbin close to the outlet of the smoke pipe and communicated with the gap, the first water source water outlet is arranged on the bobbin close to the inlet of the smoke tube and communicated with the gap, the second water source water inlet is arranged on the bobbin and is connected with one end of the second heat exchange pipe close to the smoke pipe outlet, the second water source water outlet is arranged on the bobbin and connected with one end of the second heat exchange tube close to the smoke tube inlet.
As a further aspect of the present invention: the second heat exchange tube is wound outside the smoke tube.
As a further aspect of the present invention: the bobbin is also connected with an automatic exhaust valve communicated with the gap.
As a further aspect of the present invention: the two ends of the bobbin are hermetically connected with the outer wall of the smoke tube.
As a further aspect of the present invention: the waste heat exchange device comprises at least two waste heat exchange device bodies, smoke pipes of the waste heat exchange device bodies are sequentially connected in a butt joint mode, a first water source water outlet in one waste heat exchange device body is connected with a first water source water inlet in the butt joint waste heat exchange device body through a first connecting pipe, and a second water source water outlet in one waste heat exchange device body is connected with a second water source water inlet in the butt joint waste heat exchange device body through a second connecting pipe.
As a further aspect of the present invention: and the first connecting pipe and the second connecting pipe are both provided with switch valves.
The utility model has the advantages that: this surplus cold heat transfer device of waste heat reasonable in design has increased: 1. residual cold (heat) recovery air pipe; 2. an electric air valve; 3. an electric 100 ℃ fireproof air valve 4 and 4 wireless remote temperature sensors. The smoke tube heat exchanger is only used for recovering and preheating in winter originally, and the residual cold (heat) recovery air pipe can introduce cold air of an air conditioner in a building toilet or a reporting room into the flue heat exchanger in summer, so that the residual cold can be recovered (the patent innovation is improved, and the residual cold heat recovery device can be installed without actually being installed). In the transition season, when the boiler is temporarily stopped, partial areas are heated by VRV, and the residual cold and heat recovery air pipe can recover the preheating of the VRV heating room and introduce the exhaust air of the VRV heating room. Because many large-scale public buildings are provided with data rooms, and the data rooms have exhaust waste heat all the year round, the residual cold (heat) recovery air pipes can also introduce the exhaust waste heat of the computer of the data rooms.
When the boiler is not burnt repeatedly, smoke carries fire or the temperature is too high, in order to avoid threatening the safety of a building, an electric 100-DEG C fireproof air valve is arranged on a system pipeline, and the smoke is automatically fused when the temperature of the smoke exceeds 100 ℃.
The temperature of each position can be monitored through each wireless remote temperature sensor, the overtemperature of the flue gas can be found, and the action mode of the air valve is determined according to the condition of air exhaust.
The heat of boiler chimney flue gas can be recovered, the cold and heat of the exhaust air of a building toilet, a meeting room or a report hall can be recovered by switching the electric air valves, the heat of the exhaust air of a data machine room and a data center can be recovered, two waste heat purposes can be realized simultaneously, and the utilization efficiency of the flue gas waste heat is high.
Drawings
FIG. 1 is a schematic view of the structure of a "season-suitable three-water" heat exchange system of the present invention;
fig. 2 is a schematic view of the cross-sectional structure of the present invention.
In the figure: 100. the waste heat exchange device comprises a waste heat exchange device body, 11, a smoke pipe, 12, a bobbin, 13, a first heat exchange pipe, 14, a second heat exchange pipe, 15, an automatic exhaust valve, 121, a first water source water inlet, 122, a first water source water outlet, 123, a second water source water inlet, 124, a second water source water outlet, 131 and a communication port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a waste heat and waste cold heat exchanger includes a waste heat exchanger body 100, wherein the waste heat exchanger body 100 includes a smoke tube 11; the waste heat exchange device body 100 further comprises a bobbin 12, a first heat exchange tube 13, a second heat exchange tube 14, an automatic exhaust valve 15, a first water source water inlet 121, a first water source water outlet 122, a second water source water inlet 123 and a second water source water outlet 124;
the bobbin 12 is sleeved outside the smoke tube 11 and has a gap with the tube wall of the smoke tube 11, the first heat exchange tube 13 is disposed inside the smoke tube 11 and extends along the axial direction of the smoke tube 11, two ends of the first heat exchange tube 13 are respectively connected to the tube wall of the smoke tube 11 and form a communication port 131 communicated with the gap on the tube wall of the smoke tube 11, the second heat exchange tube 14 is disposed in the gap along the axial direction of the smoke tube 11 and near the outside of the smoke tube 11, specifically, the second heat exchange tube 14 is spirally wound outside the smoke tube 11, so as to increase the heat exchange area of the second heat exchange tube 14, the first water source water inlet 121 is disposed on the bobbin 12 near the outlet of the smoke tube 11 and is communicated with the gap, so that the flow direction of the first water source is opposite to the flow direction of the smoke in the smoke tube 11, the first water source water outlet 122 is disposed on the bobbin 12 near the inlet of the smoke tube 11 and is communicated with the gap, the second water inlet 123 is disposed on the bobbin 12 and is opposite to the end of the second heat exchange tube 14 near the outlet of the smoke tube 11, so that the flow direction of the second water source is opposite to the flow direction of the smoke in the smoke tube 11, and the second water outlet 124 is disposed on the bobbin 12 and is connected to the end of the second heat exchange tube 14 near the inlet of the smoke tube 11.
Further, in the embodiment of the present invention, the second heat exchanging pipe 14 is wound outside the smoke pipe 11.
Further, in the embodiment of the utility model provides an in, still be connected with on the bobbin 12 with automatic exhaust valve 15 that the clearance is linked together, automatic exhaust valve 15 can avoid the too high and gaseous emission of air pressure in the bobbin 12, has guaranteed the safe in utilization and the life of bobbin 12.
Further, in the embodiment of the present invention, both ends of the bobbin 12 are hermetically connected to the outer wall of the smoke tube 11.
Further, in the embodiment of the present invention, the waste heat exchanging device body 100 is provided with at least two, the smoke pipes 11 of the waste heat exchanging device bodies 100 are sequentially connected to each other, the first water source water outlet 122 of one of the waste heat exchanging device bodies 100 is connected to the first water source water inlet 121 of the other of the waste heat exchanging device bodies 100 through a first connecting pipe, and the second water source water outlet 124 of one of the waste heat exchanging device bodies 100 is connected to the second water source water inlet 123 of the other of the waste heat exchanging device bodies 100 through a second connecting pipe.
Further, in the embodiment of the utility model, all be provided with the ooff valve on first connecting pipe, the second connecting pipe, through the intercommunication quantity of on-off control waste heat transfer device body 100 on controlling first connecting pipe, the second connecting pipe, and then the quantity that convenient control waste heat transfer device body 100 used.
The working principle is as follows: when the waste heat and waste heat cold heat exchange device is used, a second water source water inlet is connected with a water supply source, a second water source water outlet is connected with a water storage tank, supplied water is heated by high-temperature waste heat of smoke and then is conveyed to the water storage tank to be used as domestic hot water, the second water source is a water source for providing domestic water, when the device is used, the second water source enters a second heat exchange pipe from the second water source water inlet, on one hand, the second water source in the second heat exchange pipe exchanges heat with high-temperature smoke in the smoke pipe, on the other hand, the second water source in the second heat exchange pipe exchanges heat with the first water source in the gap, and the high-temperature waste heat of the smoke is fully utilized; and because the water inlet direction of the first water source and the second water source is opposite to the flowing direction of the flue gas, the first water source and the second water source can be heated and exchanged at a constant speed, the phenomena of gasification and cavitation of water in the pipeline caused by overlarge heat exchange temperature difference are avoided, the service life of the hot water pipeline can be prolonged, and the purpose of saving energy is achieved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A waste heat and waste cold heat exchange device comprises a waste heat exchange device body (100), wherein the waste heat exchange device body (100) comprises a smoke pipe (11); the method is characterized in that: the waste heat exchange device body (100) further comprises a bobbin (12), a first heat exchange tube (13), a second heat exchange tube (14), an automatic exhaust valve (15), a first water source water inlet (121), a first water source water outlet (122), a second water source water inlet (123) and a second water source water outlet (124);
the bobbin (12) is sleeved outside the smoke tube (11) and a gap is formed between the bobbin (12) and the tube wall of the smoke tube (11), the first heat exchange tube (13) is arranged inside the smoke tube (11) and extends along the axial direction of the smoke tube (11), two ends of the first heat exchange tube (13) are respectively connected to the tube wall of the smoke tube (11) and form a communication port (131) communicated with the gap on the tube wall of the smoke tube (11), the second heat exchange tube (14) is arranged in the gap along the axial direction of the smoke tube (11) and close to the outer part of the smoke tube (11), the first water source water inlet (121) is arranged on the bobbin (12) close to the outlet of the smoke tube (11) and communicated with the gap, the first water source water outlet (122) is arranged on the bobbin (12) close to the inlet of the smoke tube (11) and communicated with the gap, and the second water source water inlet (123) is arranged on the bobbin (12) and communicated with one end of the second heat exchange tube (14) close to the outlet of the smoke tube (11) And the second water source outlet (124) is arranged on the bobbin (12) and is connected with one end of the second heat exchange pipe (14) close to the inlet of the smoke pipe (11).
2. The waste heat and waste cold heat exchange device according to claim 1, characterized in that: the second heat exchange tube (14) is wound outside the smoke tube (11).
3. The waste heat and waste cold heat exchange device according to claim 1, characterized in that: the bobbin (12) is also connected with an automatic exhaust valve (15) communicated with the gap.
4. The waste heat and waste cold heat exchange device according to claim 1, characterized in that: the two ends of the bobbin (12) are hermetically connected with the outer wall of the smoke tube (11).
5. The waste heat and waste cold heat exchange device according to claim 1, characterized in that: the waste heat exchange device comprises waste heat exchange device bodies (100), wherein the number of the waste heat exchange device bodies (100) is at least two, smoke pipes (11) of the waste heat exchange device bodies (100) are sequentially connected in a butt joint mode, a first water source water outlet (122) in one waste heat exchange device body (100) is connected with a first water source water inlet (121) in the butt joint waste heat exchange device body (100) through a first connecting pipe, and a second water source water outlet (124) in one waste heat exchange device body (100) is connected with a second water source water inlet (123) in the butt joint waste heat exchange device body (100) through a second connecting pipe.
6. The waste heat and waste cold heat exchange device according to claim 5, characterized in that: and the first connecting pipe and the second connecting pipe are both provided with switch valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269243.6U CN212030277U (en) | 2019-12-17 | 2019-12-17 | Waste heat and residual cold heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269243.6U CN212030277U (en) | 2019-12-17 | 2019-12-17 | Waste heat and residual cold heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030277U true CN212030277U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922269243.6U Active CN212030277U (en) | 2019-12-17 | 2019-12-17 | Waste heat and residual cold heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030277U (en) |
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2019
- 2019-12-17 CN CN201922269243.6U patent/CN212030277U/en active Active
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