CN214581355U - Combined intelligent heating device - Google Patents
Combined intelligent heating device Download PDFInfo
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- CN214581355U CN214581355U CN202120958052.5U CN202120958052U CN214581355U CN 214581355 U CN214581355 U CN 214581355U CN 202120958052 U CN202120958052 U CN 202120958052U CN 214581355 U CN214581355 U CN 214581355U
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- water
- heat
- heat supply
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- pipe
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 200
- 230000003020 moisturizing Effects 0.000 claims abstract description 6
- 230000001702 transmitter Effects 0.000 claims description 72
- 239000008400 supply water Substances 0.000 claims description 20
- 230000001502 supplementation Effects 0.000 claims description 10
- 229910004682 ON-OFF Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Abstract
The utility model provides a joint intelligent heating device, belongs to the heat supply technology field, the utility model discloses a solve indirect heat supply heat exchanger or second grade net heat supply network circulating pump and break down and all need to stop the heat treatment, change reserve heat exchanger or stand-by pump and second grade net moisturizing untimely or mend the too big problem that can cause outer net heat consumer to heat not up to standard of cold water volume. Comprises a heat source plant, a heat exchanger, a heat user and a heat supply pipeline. The heat supply pipeline can form two heat supply modes of direct heat supply and indirect heat supply by controlling the on-off of each valve. During indirect heat supply, the water replenishing pump replenishes the return water of the first-level network into the return water pipe of the second-level network at a constant pressure so as to make up for the water loss of the heat supply network of the second-level network. If the heat exchanger or the circulation pump of the second-level network heat supply network fails, the heat supply mode is switched to direct heat supply, so that the heat supply is continuous. The utility model can continuously heat treat the fault of the heat exchanger or the second-level network circulating pump without adding standby equipment; the intelligent water replenishing of the secondary network is realized, and the heat supply can reach the standard even if the water replenishing amount is too large.
Description
Technical Field
The utility model belongs to the heat supply field, concretely relates to joint intelligent heating device.
Background
The conventional centralized heat supply mostly adopts an indirect heat supply mode, so that the heat network water in the first-level network management and the heat network water in the second-level network management exchange heat through the heat exchanger, and the heat energy of a heat source plant is transferred to heat users. This indirect heating mode has the following problems:
(1) when the heat exchanger or the secondary network heat supply network circulating pump fails, heat stopping treatment is needed, the standby heat exchanger or the standby pump is replaced, the cost of the standby heat exchanger and the standby pump is increased, and disputes caused by heating influence can be caused due to long heat stopping time.
(2) The water pressure of the heat supply network in the secondary network pipe is constant, and once the pressure is reduced, the water of the heat supply network in the secondary network is lost, the water needs to be supplemented in time. If the water is not supplemented in time or the amount of the supplemented water is too large, the heating of the external network heat user is not up to the standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a joint intelligence heating device to solve indirect heat supply heat exchanger or second grade net heat supply network circulating pump and break down and all need to stop the heat treatment, change reserve heat exchanger or stand-by pump and second grade net moisturizing untimely or mend the too big problem that causes outer net heat consumer to heat not up to standard of cold water volume. The utility model adopts the technical proposal that:
a joint intelligent heat supply device comprises a primary network circulation pipeline and a secondary network circulation pipeline, wherein the primary network circulation pipeline exchanges heat with the secondary network circulation pipeline through a heat exchanger, a water supply end of the primary network circulation pipeline is communicated with a water supply end of the secondary network circulation pipeline through a direct heat supply water supply pipe, a water return end of the primary network circulation pipeline is communicated with a water return end of the secondary network circulation pipeline through a direct heat supply water return pipe, a water replenishing pipeline is further arranged between the primary network circulation pipeline and the secondary network circulation pipeline, and the water replenishing pipeline is T-shaped and is respectively communicated with the water return end of the primary network circulation pipeline, the water return end of the secondary network circulation pipeline and the water supply end of the secondary network circulation pipeline.
Further, the primary network circulating pipeline comprises a heat source plant, a primary network water supply pipe and a primary network water return pipe; two ends of the first-level net water supply pipe are respectively communicated with a water outlet of a heat source plant and a high-temperature water inlet of a heat exchanger, and two ends of the first-level net water return pipe are respectively communicated with a high-temperature water outlet of the heat exchanger and a water return port of the heat source plant.
Further, the secondary network circulating pipeline comprises a heat exchanger, a secondary network water supply pipe, a heat consumer and a secondary network water return pipe; two ends of the second-stage network water supply pipe are respectively communicated with the heat exchanger low-temperature water outlet and the heat user water inlet, and two ends of the second-stage network water return pipe are respectively communicated with the heat user water outlet and the heat exchanger low-temperature water inlet.
Furthermore, a first flowmeter group, a first-level network heat supply network circulating pump group, a first pressure transmitter, a first temperature transmitter and a sixth electric valve group are sequentially arranged on the first-level network water supply pipe along the water flowing direction.
Furthermore, a second pressure transmitter and a second temperature transmitter are sequentially installed on the first-level net water return pipe along the water flowing direction.
Furthermore, a seventh electric valve group, a third temperature transmitter, a third pressure transmitter and a fourth temperature transmitter are sequentially arranged on the secondary network water supply pipe along the water flowing direction.
Furthermore, a fifth temperature transmitter, a fourth electric valve group, a secondary network heat supply network circulating pump group and a fourth pressure transmitter are sequentially arranged on the secondary network water return pipe along the water flowing direction.
Furthermore, the standby pipeline comprises a direct heat supply water supply pipe and a direct heat supply water return pipe; one end of the direct heat supply water pipe is arranged between the first temperature transmitter and the sixth electric valve group, and the other end of the direct heat supply water pipe is arranged between the seventh electric valve group and the third temperature transmitter; one end of the direct heat supply water return pipe is arranged between the second pressure transmitter and the heat exchanger, and the other end of the direct heat supply water return pipe is arranged between the heat exchanger and the fourth pressure transmitter.
Furthermore, the water replenishing pipeline comprises a water replenishing pipe and a water mixing branch pipe which are communicated in a T shape; the two ends of the water replenishing pipe are respectively communicated with the primary net water return pipe and the secondary net water return pipe, and the two ends of the water mixing branch pipe are respectively communicated with the water replenishing pipe and the secondary net water supply pipe.
Furthermore, a first electric valve group and a second electric valve group which have the same structure are respectively arranged on the direct heat supply water supply pipe and the direct heat supply water return pipe.
Furthermore, a water inlet of the water replenishing pipe is arranged between the heat source plant and the second temperature transmitter, a water outlet of the water replenishing pipe is arranged between a water inlet node of a fourth electric valve group and a second-level network heat supply network circulating pump group which are connected in parallel and a fifth temperature transmitter, a water replenishing-mixing pump group and a third electric valve group are connected in parallel and installed on the water replenishing pipe, and a second flowmeter group and an eighth electric valve group are sequentially installed after being connected in parallel and combined along the water flowing direction.
Furthermore, a water inlet of the water mixing branch pipe is arranged between the second flowmeter group and the eighth electric valve group, a water outlet of the water mixing branch pipe is arranged between the third temperature transmitter and the third pressure transmitter, and the fifth pressure transmitter and the fifth electric valve group are sequentially arranged on the water mixing branch pipe along the water flowing direction.
Compared with the prior art, the utility model, the technological effect who possesses does:
(1) the heat exchanger in the indirect heat supply mode or the circulating pump in the secondary network heat supply network can be switched to the direct heat supply mode after the fault occurs, so that the fault can be treated without stopping;
(2) the spare heat exchanger and the spare pump are not needed to be added, so that the manufacturing cost is reduced;
(3) intelligent water supplement of a secondary network is realized;
(4) the water supplemented to the water supply pipe of the second-level network comes from hot water in the water return pipe of the first-level network, so that the heat supply can reach the standard even if the water supplementation amount is too large.
Drawings
Figure 1 is a schematic structural view of the present invention,
in the figure: 1-heat source plant, 2-first-level network water supply pipe, 21-first flowmeter group, 22-first-level network heat supply network circulating pump group, 23-first pressure transmitter, 24-first temperature transmitter, 25-sixth electric valve group, 3-heat exchanger, 4-first-level network water return pipe, 41-second pressure transmitter, 42-second temperature transmitter, 5-second-level network water supply pipe, 51-seventh electric valve group, 52-third temperature transmitter, 53-third pressure transmitter, 54-fourth temperature transmitter, 6-heat user, 7-second-level network water return pipe, 71-fifth temperature transmitter, 72-fourth electric valve group, 73-second-level network heat supply network circulating pump group, 74-fourth pressure transmitter, 8-water replenishing pipe, 81-water replenishing-water mixing pump group, 82-a third electric valve group, 83-a second flowmeter group, 84-an eighth electric valve group, 9-a water mixing branch pipe, 91-a fifth pressure transmitter, 92-a fifth electric valve group, 10-a direct heat supply water supply pipe, 101-a first electric valve group, 11-a direct heat supply water return pipe and 111-a second electric valve group.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, and the following embodiments are illustrative of the present invention, and the present invention is not limited to the following embodiments.
As shown in fig. 1, the present embodiment discloses a combined intelligent heating device, which has two heating modes, namely, indirect heating and direct heating.
The utility model provides a joint intelligent heating device, including one-level net circulation pipeline and second grade net circulation pipeline, one-level net circulation pipeline passes through 3 heat exchanges of heat exchanger with second grade net circulation pipeline, one-level net circulation pipeline water supply end is through direct heat supply delivery pipe 10 and second grade net circulation pipeline water supply end intercommunication, one-level net circulation pipeline return water end is through direct heat supply wet return 11 and second grade net circulation pipeline return water end intercommunication, still be equipped with the moisturizing pipeline between one-level net circulation pipeline and the second grade net circulation pipeline, the both ends of moisturizing pipeline communicate with one-level net circulation pipeline and second grade net circulation pipeline respectively, direct heat supply delivery pipe 10 and direct heat supply wet return 11 are the normal close pipeline.
Further: the primary network circulating pipeline comprises a heat source plant 1, a primary network water supply pipe 2 and a primary network water return pipe 4; two ends of the primary net water supply pipe 2 are respectively communicated with a water outlet of the heat source plant 1 and a high-temperature water inlet of the heat exchanger 3, and two ends of the primary net water return pipe 4 are respectively communicated with a high-temperature water outlet of the heat exchanger 3 and a water return port of the heat source plant 1.
The primary network water supply pipe 2 is sequentially provided with a first flow meter group 21, a primary network heat supply network circulating pump group 22, a first pressure transmitter 23, a first temperature transmitter 24 and a sixth electric valve group 25 along the water flowing direction.
The first-stage net water return pipe 4 is provided with a second pressure transmitter 41 and a second temperature transmitter 42 in sequence along the water flowing direction.
The secondary network circulating pipeline comprises a secondary network water supply pipe 5, a heat consumer 6 and a secondary network water return pipe 7; two ends of the second-stage network water supply pipe 5 are respectively communicated with the low-temperature water outlet of the heat exchanger 3 and the water inlet of the heat consumer 6, and two ends of the second-stage network water return pipe 7 are respectively communicated with the water outlet of the heat consumer 6 and the low-temperature water inlet of the heat exchanger 3.
The second-level network water supply pipe 5 is sequentially provided with a seventh electric valve group 51, a third temperature transmitter 52, a third pressure transmitter 53 and a fourth temperature transmitter 54 along the water flowing direction.
And a fifth temperature transmitter 71, a fourth electric valve group 72, a secondary network heat supply network circulating pump group 73 and a fourth pressure transmitter 74 which are arranged in parallel are sequentially arranged on the secondary network water return pipe 7 along the water flowing direction.
A first electric valve group 101 and a second electric valve group 111 with the same structure are respectively arranged on the direct heat supply water supply pipe 10 and the direct heat supply water return pipe 11.
The water supplementing pipeline comprises a water supplementing pipe 8 and a water mixing branch pipe 9; two ends of the water replenishing pipe 8 are respectively communicated with a water return end of the primary net circulating pipeline and a water return end of the secondary net circulating pipeline, and two ends of the water mixing branch pipe 9 are respectively communicated with a water supplying end of the water replenishing pipe 8 and a water supply end of the secondary net circulating pipeline.
The water replenishing pipe 8 is provided with a water replenishing-mixing pump set 81 and a third electric valve set 82 which are installed in parallel, and a second flowmeter set 83 and an eighth electric valve set 84 are sequentially installed after being combined in parallel along the water flowing direction.
The heat source plant 1 is communicated with the heat exchanger 3 through a primary network water supply pipe 2 and then returns to the heat source plant 1 through a primary network water return pipe 4 to form a circulating closed pipeline to form a primary network; the heat exchanger 3 is communicated with a heat consumer 6 through a secondary network water supply pipe 5 and then returns to the heat exchanger 3 through a secondary network water return pipe 7 to form a circulating closed pipeline to form a secondary network.
The heat source plant 1 is communicated with a direct heat supply water supply pipe 10 through one part of a primary network water supply pipe 2, is communicated with a heat user 6 through one part of a secondary network water supply pipe 5, is communicated with a direct heat supply water return pipe 11 through one part of a secondary network water return pipe 7, is communicated with the heat source plant 1 through one part of a primary network water return pipe 4, and forms a circulating closed pipeline to form a direct heat supply heat network.
During indirect heat supply, the circulation pipelines of the primary network and the secondary network are in an open circuit, the first electric valve group 101 and the second electric valve group 111 are closed, and the direct heat supply water supply pipe 10 and the direct heat supply water return pipe 11 are in an open circuit. The hot water in the first-level network management and the hot water in the second-level network management exchange heat through the heat exchanger 3, and the heat energy of the heat source plant 1 is provided for the heat user 6.
At the same time, the water replenishing pipe 8 is opened, the fifth electric valve set 92 is closed, and the water mixing branch pipe 9 is opened. The water charging system starts to work, sets a numerical range as a heat supply constant pressure range for the third pressure transmitter 52, and when the actual pressure of the third pressure transmitter 52 is smaller than the minimum set pressure, the first-level net water return pipe 4 starts to automatically charge water into the second-level net water return pipe 7: if the pressure of the third pressure transmitter 52 is smaller than the pressure of the second pressure transmitter 41, the third electric valve group 82 is automatically opened to supplement water; if the pressure of the third pressure transmitter 52 is greater than the pressure of the second pressure transmitter 41, the third electric valve set 82 is automatically closed, and the water supplementing and mixing pump set 81 is automatically opened to supplement water. When the actual pressure of the third pressure transmitter 52 reaches the set pressure maximum value, the water supplementing-mixing pump set 81 and the third electric valve set 82 are automatically closed, and water supplementing is stopped.
The data remotely acquired by the first flowmeter unit 21 is used as heat supply and heat consumption data, and the first pressure transmitter 23 is used for observing the pipeline pressure change when the primary network heat supply network circulating pump unit 22 operates, so as to determine whether the primary network heat supply network circulating pump unit 22 is normal; the first temperature transmitter 24 is used for collecting the water supply temperature of the primary network, the second temperature transmitter 42 is used for collecting the return water temperature of the primary network, whether the heat exchanger 3 exchanges heat or not is judged according to the temperature difference between the first temperature transmitter 24 and the second temperature transmitter 42, and if no heat exchange exists, the heat exchanger 3 or the secondary network has faults; the second pressure transmitter 41 is used for collecting the return water pressure of the primary network, and whether the heat exchanger 3 has a fault is determined by the pressure difference between the first pressure transmitter 23 and the second pressure transmitter 41; the fourth pressure transmitter 74 is used for observing the pipeline pressure change when the secondary network heat supply network circulating pump group 73 operates, so as to determine whether the secondary network heat supply network circulating pump group 73 is normal, the third pressure transmitter 53 collects the water supply pressure of the secondary network, and whether the heat exchanger is normal is judged according to the pressure difference between the third pressure transmitter 53 and the fourth pressure transmitter 74; the fifth temperature transmitter 71 acquires the return water temperature of the secondary network, the third temperature transmitter 52 acquires the water supply temperature of the secondary network, whether the heat exchanger exchanges heat or not is judged through the temperature difference between the third temperature transmitter 52 and the fifth temperature transmitter 71, and if no heat exchange exists, the heat exchanger or the primary network is judged to have a fault; the secondary network heat supply network circulating pump set 73 frequency is adjusted according to the third pressure transmitter 53.
When the indirect heat supply mode operation data judges that the heat exchanger or the secondary network circulating water pump has faults, the heat supply mode is switched to the direct heat supply mode, the water supplementing-mixing pump group 81 and the secondary network heat supply network circulating pump group 73 are remotely closed, the fourth electric valve group 72 and the second electric valve group 111 are opened, the first electric valve group 101 is opened by 10% for preventing overpressure of the secondary network, the sixth electric valve group 25 and the seventh electric valve group 51 are closed, and switching of the indirect heat supply circulating pipeline to the direct heat supply circulating pipeline is completed.
Meanwhile, the eighth electric valve group 84 is closed, the fifth electric valve group 92 is opened by 10%, the water supplementing and mixing pump group 81 is started, the water supplementing system stops working, and the water mixing system starts working. The opening degree of each electric valve group and the frequency of each electric valve group participating in operation are adjusted according to the remotely acquired operation data of the heat supply pipeline, when the operation is stable, the operation is controlled by logic, the opening degree of the first electric valve group 101 and the second electric valve group 111 and the frequency of the water supplementing-mixing pump 81 are automatically adjusted according to the set constant pressure value range of the third pressure transmitter 53, the pressure in the secondary network management can be effectively controlled, the opening degree of the fifth electric valve group 92 is adjusted according to the temperature data acquired by the fourth temperature transmitter 54, and the direct heat supply and water supply temperature can be adjusted.
The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.
Claims (10)
1. The utility model provides a joint intelligent heating device which characterized in that: including one-level net circulation pipeline and second grade net circulation pipeline, one-level net circulation pipeline passes through heat exchanger (3) heat transfer with second grade net circulation pipeline, one-level net circulation pipeline water supply end is through direct heat supply delivery pipe (10) and second grade net circulation pipeline water supply end intercommunication, one-level net circulation pipeline return water end is through direct heat supply wet return (11) and second grade net circulation pipeline return water end intercommunication, still be equipped with the moisturizing pipeline between one-level net circulation pipeline and the second grade net circulation pipeline, the both ends of moisturizing pipeline communicate with one-level net circulation pipeline and second grade net circulation pipeline respectively, direct heat supply delivery pipe (10) and direct heat supply wet return (11) are the normal close pipeline.
2. An integrated intelligent heating apparatus according to claim 1, wherein: the primary network circulating pipeline comprises a heat source plant (1), a primary network water supply pipe (2) and a primary network water return pipe (4); two ends of the primary net water supply pipe (2) are respectively communicated with a water outlet of the heat source plant (1) and a high-temperature water inlet of the heat exchanger (3), and two ends of the primary net water return pipe (4) are respectively communicated with a high-temperature water outlet of the heat exchanger (3) and a water return port of the heat source plant (1).
3. An integrated intelligent heating apparatus according to claim 2, wherein: first flowmeter group (21), one-level net heat supply network circulating pump group (22), first pressure transmitter (23), first temperature transmitter (24) and sixth electronic valves (25) are installed along water flow direction in proper order in one-level net delivery pipe (2).
4. A combined intelligent heat supply device according to claim 2 or 3, wherein: and a second pressure transmitter (41) and a second temperature transmitter (42) are sequentially arranged on the primary net water return pipe (4) along the water flowing direction.
5. An integrated intelligent heating apparatus according to claim 1, wherein: the secondary network circulating pipeline comprises a secondary network water supply pipe (5), a heat consumer (6) and a secondary network water return pipe (7); two ends of the second-stage network water supply pipe (5) are respectively communicated with the low-temperature water outlet of the heat exchanger (3) and the water inlet of the heat consumer (6), and two ends of the second-stage network water return pipe (7) are respectively communicated with the water outlet of the heat consumer (6) and the low-temperature water inlet of the heat exchanger (3).
6. An integrated intelligent heating apparatus according to claim 5, wherein: and the second-level network water supply pipe (5) is sequentially provided with a seventh electric valve group (51), a third temperature transmitter (52), a third pressure transmitter (53) and a fourth temperature transmitter (54) along the water flowing direction.
7. A combined intelligent heat supply device according to claim 5 or 6, wherein: and a fifth temperature transmitter (71), a fourth electric valve group (72) which is installed in parallel, a secondary network heat supply network circulating pump group (73) and a fourth pressure transmitter (74) are sequentially installed on the secondary network water return pipe (7) along the water flowing direction.
8. A combined intelligent heat supply device according to claim 1, 2 or 5, wherein: and a first electric valve group (101) and a second electric valve group (111) which have the same structure are respectively arranged on the direct heat supply water supply pipe (10) and the direct heat supply water return pipe (11).
9. A combined intelligent heat supply device according to claim 1, 2 or 5, wherein: the water supplementing pipeline comprises a water supplementing pipe (8) and a water mixing branch pipe (9); two ends of the water replenishing pipe (8) are respectively communicated with a water return end of the primary network circulation pipeline and a water return end of the secondary network circulation pipeline, and two ends of the water mixing branch pipe (9) are respectively communicated with the water replenishing pipe (8) and a water supply end of the secondary network circulation pipeline.
10. An integrated intelligent heating apparatus according to claim 9, wherein: and a water supplementing-water mixing pump set (81) and a third electric valve set (82) which are installed in parallel are arranged on the water supplementing pipe (8), and a second flowmeter set (83) and an eighth electric valve set (84) are sequentially installed after being combined in parallel along the water flowing direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958052.5U CN214581355U (en) | 2021-05-07 | 2021-05-07 | Combined intelligent heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958052.5U CN214581355U (en) | 2021-05-07 | 2021-05-07 | Combined intelligent heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214581355U true CN214581355U (en) | 2021-11-02 |
Family
ID=78329000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120958052.5U Active CN214581355U (en) | 2021-05-07 | 2021-05-07 | Combined intelligent heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214581355U (en) |
-
2021
- 2021-05-07 CN CN202120958052.5U patent/CN214581355U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A combined intelligent heating device Effective date of registration: 20220331 Granted publication date: 20211102 Pledgee: Harbin Development Zone SME Financing Guarantee Co.,Ltd. Pledgor: Heilongjiang huare Energy Co.,Ltd. Registration number: Y2022230000010 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |