CN209840237U - Heat exchanger heating system - Google Patents
Heat exchanger heating system Download PDFInfo
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- CN209840237U CN209840237U CN201920639371.2U CN201920639371U CN209840237U CN 209840237 U CN209840237 U CN 209840237U CN 201920639371 U CN201920639371 U CN 201920639371U CN 209840237 U CN209840237 U CN 209840237U
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Abstract
The utility model discloses a heat exchanger heating system, which relates to the heating field and comprises a heater, a heat medium inlet pipeline, a first heat exchanger, a second heat exchanger, a heat medium outlet pipeline, a user pipeline group, a water inlet pipeline, a water outlet pipeline and a circulating pump; one end of the heat medium inlet pipeline is connected with the outlet of the heater, and the other end of the heat medium inlet pipeline is respectively connected with the heat medium inlets of the first heat exchanger and the second heat exchanger; the heat medium outlets of the first heat exchanger and the second heat exchanger are respectively connected with a heat medium outlet pipeline; the first heat exchanger, the second heat exchanger, the user pipeline group, the water inlet pipeline, the water outlet pipeline and the circulating pump form a water circulating system, and water continuously circulates in the water circulating system. The utility model has the advantages that: the stability of the heat exchange system is improved, and the guarantee of a heating system is increased.
Description
Technical Field
The utility model relates to a heating field especially relates to a heat exchanger heating system.
Background
The coal mine adopts water heating system to heat for administrative office building and staff's dormitory, and current water heating system only adopts a set of heat exchanger, in case the heat exchanger breaks down, will unable guarantee the heating, has influenced staff's work and life to indirectly cause the hidden danger to the safety in production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a heat exchanger heating system that can increase heating system's guarantee is provided.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: the heat exchanger heating system comprises a heater (1), a heat medium inlet pipeline (2), a first heat exchanger (3), a second heat exchanger (4), a heat medium outlet pipeline (5), a user pipeline group (14), a water inlet pipeline (15), a water outlet pipeline (16) and a circulating pump (17); one end of the heat medium inlet pipeline (2) is connected with an outlet of the heater (1), the other end of the heat medium inlet pipeline (2) is respectively connected with two heat medium inlet branch pipes, and the two heat medium inlet branch pipes are respectively connected with heat medium inlets of the first heat exchanger (3) and the second heat exchanger (4); the heat medium outlets of the first heat exchanger (3) and the second heat exchanger (4) are respectively connected with a heat medium outlet pipeline (5); the user pipeline group (14) comprises a plurality of user pipelines connected in parallel; one end of the water inlet pipeline (15) is connected with the water outlet end of the user pipeline group (14), the other end of the water inlet pipeline (15) is respectively connected with two water inlet branch pipes, and the two water inlet branch pipes are respectively connected with the water inlets of the first heat exchanger (3) and the second heat exchanger (4); one end of the water outlet pipeline (16) is connected with two water outlet branch pipes, the two water outlet branch pipes are respectively connected with water outlets of the first heat exchanger (3) and the second heat exchanger (4), and the other end of the water outlet pipeline (16) is connected with a water inlet end of the user pipeline group (14); the water inlet pipeline (15) is connected with a circulating pump (17). Two groups of heat exchangers are adopted, when one group of heat exchangers breaks down, the other group of heat exchangers can work normally, and normal use of a heating system is ensured; and when a set of heat exchanger supplies insufficient heat, can two sets of heat exchangers open simultaneously, increased heating system's guarantee.
As an optimized technical scheme, the first heat exchanger (3) and the second heat exchanger (4) both adopt floating coil steam-water heat exchangers, and an inner heat exchange tube bundle of each floating coil steam-water heat exchanger adopts a plurality of groups of floating coils with parallel cantilevers. When a heat medium enters the heat exchange tube and flows at a high speed, the heat exchange tube bundle generates high-frequency floating, disturbance is generated between the heat medium and a heated medium, laminar heat transfer is disturbed, heat transfer efficiency is improved, the heat transfer coefficient K is more than 3000W/m2℃ for steam-water heat exchange, and the heat efficiency is more than 95%.
As an optimized technical scheme, a plurality of circulating pumps (17) are connected in parallel between the water outlet end of the user pipeline group (14) and the inlet ends of the two water inlet branch pipes. The plurality of circulating pumps are operated in parallel, so that when one circulating pump fails, water supply is not interrupted, and the flow can be adjusted by the number of the started circulating pumps.
As an optimized technical scheme, the heat exchanger heating system further comprises a sewage discharge pipeline (6), and sewage discharge ports of the first heat exchanger (3) and the second heat exchanger (4) are respectively connected with the sewage discharge pipeline (6). And the first heat exchanger and the second heat exchanger are subjected to pollution discharge through a pollution discharge pipeline.
As an optimized technical scheme, a filter (7) is connected to the heat medium inlet pipeline (2). The impurities in the steam are filtered out by a filter.
As an optimized technical scheme, a first pressure gauge (8), a pressure reducing valve (9) and a second pressure gauge (10) are sequentially connected to the heat medium inlet pipeline (2). And the steam entering the first heat exchanger and the second heat exchanger is decompressed through the decompression valve, and the steam pressure is measured through the first pressure gauge and the second pressure gauge.
As an optimized technical scheme, a temperature control valve (11) is connected to the heat medium inlet pipeline (2), temperature sensors are respectively arranged in the first heat exchanger (3) and the second heat exchanger (4), and the temperature control valve (11) and the temperature sensors are respectively connected with a control system. The temperature sensors are used for measuring the steam temperatures in the first heat exchanger and the second heat exchanger, the control system adjusts the opening and closing size of the temperature control valve according to the steam temperature, and the steam quantity can be correspondingly adjusted along with the change of the load, so that the steam temperatures in the first heat exchanger and the second heat exchanger are automatically controlled within a given range, the effects of automatic control of the water outlet temperature and energy saving are achieved, the automation of a heating system is improved, and the working efficiency is improved.
As an optimized technical scheme, safety valves (12) are respectively arranged on the first heat exchanger (3) and the second heat exchanger (4). The safety valve is in a normally closed state, and when the steam pressure of the heat exchanger rises to exceed a specified value, the safety valve automatically discharges steam medium to prevent the pressure in the heat exchanger from being overhigh.
As an optimized technical scheme, a drain valve (13) is arranged on the heat medium outlet pipeline (5). The steam trap discharges condensed water, air and carbon dioxide gas in steam as soon as possible, and simultaneously prevents steam leakage to the maximum extent automatically.
As an optimized technical scheme, the heat exchanger heating system further comprises a water supplementing pipeline (18), the water supplementing pipeline (18) is connected with the water outlet pipeline (16), and a water supplementing pump (19) is connected to the water supplementing pipeline (18). And supplementing water to the circulating system through a water supplementing pipeline.
The utility model has the advantages that: when one heat exchanger fails, the other heat exchanger can work normally, so that the normal use of a heating system is ensured, and when one heat exchanger supplies insufficient heat, the two heat exchangers can be simultaneously opened, so that the stability of the heat exchange system is improved, and the guarantee of the heating system is increased; the temperature sensors are used for measuring the steam temperatures in the first heat exchanger and the second heat exchanger, the control system adjusts the opening and closing size of the temperature control valve according to the steam temperature, and the steam quantity can be correspondingly adjusted along with the change of the load, so that the steam temperatures in the first heat exchanger and the second heat exchanger are automatically controlled within a given range, the effects of automatic control of the water outlet temperature and energy saving are achieved, the automation of a heating system is improved, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger heating system according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the heat exchanger heating system includes a heater 1, a heat medium inlet pipeline 2, a first heat exchanger 3, a second heat exchanger 4, a heat medium outlet pipeline 5, a sewage drain pipeline 6, a filter 7, a first pressure gauge 8, a pressure reducing valve 9, a second pressure gauge 10, a temperature control valve 11, a safety valve 12, a drain valve 13, a user pipeline group 14, a water inlet pipeline 15, a water outlet pipeline 16, a circulating pump 17, a water replenishing pipeline 18, and a water replenishing pump 19.
One end of the heat medium inlet pipeline 2 is connected with an outlet of the heater 1, the other end of the heat medium inlet pipeline 2 is respectively connected with two heat medium inlet branch pipes, and the two heat medium inlet branch pipes are respectively connected with heat medium inlets of the first heat exchanger 3 and the second heat exchanger 4; the heat medium outlets of the first heat exchanger 3 and the second heat exchanger 4 are respectively connected with a heat medium outlet pipeline 5, and the sewage outlets of the first heat exchanger 3 and the second heat exchanger 4 are respectively connected with a sewage pipeline 6.
The first heat exchanger 3 and the second heat exchanger 4 both adopt floating coil steam-water heat exchangers, an inner heat exchange tube bundle of each floating coil steam-water heat exchanger adopts a plurality of groups of floating coils with parallel cantilevers, and each floating coil is a T2 red copper floating coil.
A filter 7, a first pressure gauge 8, a pressure reducing valve 9, a second pressure gauge 10 and a temperature control valve 11 are sequentially connected between the outlet of the heater 1 and the inlet ends of the two heating medium inlet branch pipes on the heating medium inlet pipeline 2.
The first heat exchanger 3 and the second heat exchanger 4 are respectively provided with a temperature sensor, and the temperature control valve 11 and the temperature sensor are respectively connected with a control system.
The first heat exchanger 3 and the second heat exchanger 4 are respectively provided with a safety valve 12.
A drain valve 13 is arranged on the heat medium outlet pipeline 5.
The user pipeline group 14 comprises a plurality of user pipelines connected in parallel; one end of the water inlet pipeline 15 is connected with the water outlet end of the user pipeline group 14, the other end of the water inlet pipeline 15 is respectively connected with two water inlet branch pipes, and the two water inlet branch pipes are respectively connected with the water inlets of the first heat exchanger 3 and the second heat exchanger 4; one end of the water outlet pipeline 16 is connected with two water outlet branch pipes, the two water outlet branch pipes are respectively connected with water outlets of the first heat exchanger 3 and the second heat exchanger 4, and the other end of the water outlet pipeline 16 is connected with a water inlet end of the user pipeline group 14; the water inlet pipeline 15 is connected with circulating pumps 17, and the three circulating pumps 17 are connected in parallel between the water outlet end of the user pipeline group 14 and the inlet ends of the two water inlet branch pipes; the first heat exchanger 3, the second heat exchanger 4, the user pipeline group 14, the water inlet pipeline 15, the water outlet pipeline 16 and the circulating pump 17 form a circulating system, and water continuously circulates in the circulating system.
The water replenishing pipeline 18 is connected with the water outlet pipeline 16, the water replenishing pipeline 18 is connected between the circulating pump 17 and the inlet ends of the two water inlet branch pipes, and the water replenishing pipeline 18 is connected with a water replenishing pump 19.
The circulating pump 17 is carried water by inlet channel 15 and gets into first heat exchanger 3, second heat exchanger 4, the steam of heating through heater 1 simultaneously gets into first heat exchanger 3, second heat exchanger 4 by heat medium inlet pipe as the heat medium, steam and cold water accomplish the heat exchange with water heating, the hot water of first heat exchanger 3, second heat exchanger 4 goes out water and gets into user's pipe group 14 by outlet conduit 16, the play water rethread circulating pump 17 of user's pipe group 14 gets into first heat exchanger 3, second heat exchanger 4, accomplish the continuous circulation of heating.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A heat exchanger heating system is characterized in that: the system comprises a heater (1), a heat medium inlet pipeline (2), a first heat exchanger (3), a second heat exchanger (4), a heat medium outlet pipeline (5), a user pipeline group (14), a water inlet pipeline (15), a water outlet pipeline (16) and a circulating pump (17); one end of the heat medium inlet pipeline (2) is connected with an outlet of the heater (1), the other end of the heat medium inlet pipeline (2) is respectively connected with two heat medium inlet branch pipes, and the two heat medium inlet branch pipes are respectively connected with heat medium inlets of the first heat exchanger (3) and the second heat exchanger (4); the heat medium outlets of the first heat exchanger (3) and the second heat exchanger (4) are respectively connected with a heat medium outlet pipeline (5); the user pipeline group (14) comprises a plurality of user pipelines connected in parallel; one end of the water inlet pipeline (15) is connected with the water outlet end of the user pipeline group (14), the other end of the water inlet pipeline (15) is respectively connected with two water inlet branch pipes, and the two water inlet branch pipes are respectively connected with the water inlets of the first heat exchanger (3) and the second heat exchanger (4); one end of the water outlet pipeline (16) is connected with two water outlet branch pipes, the two water outlet branch pipes are respectively connected with water outlets of the first heat exchanger (3) and the second heat exchanger (4), and the other end of the water outlet pipeline (16) is connected with a water inlet end of the user pipeline group (14); the water inlet pipeline (15) is connected with a circulating pump (17).
2. The heat exchanger heating system of claim 1, wherein: the first heat exchanger (3) and the second heat exchanger (4) both adopt floating coil steam-water heat exchangers, and an inner heat exchange tube bundle of each floating coil steam-water heat exchanger adopts a plurality of groups of floating coils with parallel cantilevers.
3. The heat exchanger heating system of claim 1, wherein: and a plurality of circulating pumps (17) are connected in parallel between the water outlet end of the user pipeline group (14) and the inlet ends of the two water inlet branch pipes.
4. The heat exchanger heating system of claim 1, wherein: the heat exchanger heating system further comprises a sewage pipeline (6), and sewage outlets of the first heat exchanger (3) and the second heat exchanger (4) are respectively connected with the sewage pipeline (6).
5. The heat exchanger heating system of claim 1, wherein: and a filter (7) is connected to the heat medium inlet pipeline (2).
6. The heat exchanger heating system of claim 1, wherein: and the heat medium inlet pipeline (2) is sequentially connected with a first pressure gauge (8), a pressure reducing valve (9) and a second pressure gauge (10).
7. The heat exchanger heating system of claim 1, wherein: the heating medium heat exchanger is characterized in that a temperature control valve (11) is connected to the heating medium inlet pipeline (2), temperature sensors are respectively arranged in the first heat exchanger (3) and the second heat exchanger (4), and the temperature control valve (11) and the temperature sensors are respectively connected with a control system.
8. The heat exchanger heating system of claim 1, wherein: and safety valves (12) are respectively arranged on the first heat exchanger (3) and the second heat exchanger (4).
9. The heat exchanger heating system of claim 1, wherein: and a drain valve (13) is arranged on the heat medium outlet pipeline (5).
10. The heat exchanger heating system of claim 1, wherein: the heat exchanger heating system further comprises a water supplementing pipeline (18), the water supplementing pipeline (18) is connected with the water outlet pipeline (16), and a water supplementing pump (19) is connected to the water supplementing pipeline (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639371.2U CN209840237U (en) | 2019-05-07 | 2019-05-07 | Heat exchanger heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920639371.2U CN209840237U (en) | 2019-05-07 | 2019-05-07 | Heat exchanger heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209840237U true CN209840237U (en) | 2019-12-24 |
Family
ID=68915635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920639371.2U Active CN209840237U (en) | 2019-05-07 | 2019-05-07 | Heat exchanger heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209840237U (en) |
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2019
- 2019-05-07 CN CN201920639371.2U patent/CN209840237U/en active Active
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