CN216048466U - Double-effect water replenishing device for water supply pipe and water return pipe of absorption heat pump - Google Patents
Double-effect water replenishing device for water supply pipe and water return pipe of absorption heat pump Download PDFInfo
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- CN216048466U CN216048466U CN202121696434.1U CN202121696434U CN216048466U CN 216048466 U CN216048466 U CN 216048466U CN 202121696434 U CN202121696434 U CN 202121696434U CN 216048466 U CN216048466 U CN 216048466U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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Abstract
The utility model relates to the technical field of water pipe water supplement, in particular to a double-effect water supplement device for a water supply pipe and a water return pipe of an absorption heat pump. The absorption heat pump water supply pipe and return pipe double-effect water replenishing device comprises a heat supply network circulating water supply pipeline and a heat supply network circulating water return pipeline, wherein the heat supply network circulating water supply pipeline and the heat supply network circulating water return pipeline are respectively connected with a group of water replenishing pipelines; the water supplementing pipeline comprises a steam inlet pipe, a cooling water inlet pipeline and a cooling water outlet pipeline which are connected with the absorption heat pump, the heat supply network circulating water supply pipeline and the heat supply network circulating water return pipeline are respectively connected with a corresponding group of condensation water tanks, and the absorption heat pump is connected with the condensation water tanks; a temperature sensor is arranged in the condensation water tank; the heat supply network circulating water supply pipeline and the heat supply network circulating water return pipeline are respectively provided with a pressure sensor; the temperature sensor and the pressure sensor are connected with the controller. The double-effect water replenishing device for the water supply pipe and the water return pipe of the absorption heat pump fully utilizes the heat of condensed water and does not increase the return water temperature.
Description
Technical Field
The utility model relates to the technical field of water pipe water supplement, in particular to a double-effect water supplement device for a water supply pipe and a water return pipe of an absorption heat pump.
Background
At present, a water supply pipe and a water return pipe are mostly used for supplementing condensed water into a system in a water supplementing manner from a water return main pipe; therefore, the temperature of the return water is heated, the part of heat of the condensed water higher than the temperature of the return water is not fully applied, and the heat absorption of the return water from the industrial waste heat is reduced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the absorption heat pump water supply pipe and return pipe double-effect water replenishing device fully utilizes the heat of condensed water and does not increase the return water temperature.
The technical scheme adopted by the utility model for solving the technical problem is as follows: the absorption heat pump water supply pipe and return pipe double-effect water replenishing device comprises a heat supply network circulating water supply pipeline and a heat supply network circulating water return pipeline, wherein the heat supply network circulating water supply pipeline and the heat supply network circulating water return pipeline are respectively connected with a group of water replenishing pipelines;
the water supplementing pipeline comprises a steam inlet pipe, a cooling water inlet pipeline and a cooling water outlet pipeline which are connected with the absorption heat pump, the heat supply network circulating water supply pipeline and the heat supply network circulating water return pipeline are respectively connected with a corresponding group of condensation water tanks, and the absorption heat pump is connected with the condensation water tanks;
a temperature sensor is arranged in the condensation water tank;
the heat supply network circulating water supply pipeline and the heat supply network circulating water return pipeline are respectively provided with a pressure sensor;
the temperature sensor and the pressure sensor are connected with the controller.
The absorption heat pumps of the two water replenishing pipelines are respectively communicated with the condensation water tank through condensation water pipes.
The condensation water tank is connected with a circulating water return pipeline of the heat supply network through a return water replenishing pump;
the condensation water tank is connected with a circulating water supply pipeline of the heat supply network through a water supply and supplementing pump;
and the water return and supply and supplement pump is connected with the controller.
An electromagnetic valve is arranged on the cooling water inlet pipeline;
a drain valve is arranged on the condensed water pipe;
the controller is connected with the electromagnetic valve and the drain valve.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a double-effect water replenishing device for a water supply pipe and a water return pipe of an absorption heat pump, which can fully utilize the heat of condensed water without increasing the return water temperature, improve the heat of industrial waste heat extraction of the heat pump and reduce the consumption of driving steam.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure: 1. a steam inlet pipe; 2. a cooling water inlet pipeline; 3. a cooling water outlet pipeline; 4. a condensate pipe; 5. a heat supply network circulating water supply pipeline; 6. a heat supply network circulating water return pipeline; 7. a backwater water replenishing pump; 8. a water supply and replenishing pump; 9. a condensation water tank; 10. an absorption heat pump.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings:
examples
As shown in fig. 1, the heat supply network circulating water supply system comprises a heat supply network circulating water supply pipeline 5 and a heat supply network circulating water return pipeline 6, wherein the heat supply network circulating water supply pipeline 5 and the heat supply network circulating water return pipeline 6 are respectively connected with a group of water replenishing pipelines;
the water supplementing pipeline comprises a steam inlet pipe 1, a cooling water inlet pipeline 2 and a cooling water outlet pipeline 3 which are connected with an absorption heat pump 10, a heat supply network circulating water supply pipeline 5 and a heat supply network circulating water return pipeline 6 are respectively connected with a corresponding group of condensation water tanks 9, and the absorption heat pump 10 is connected with the condensation water tanks 9;
a temperature sensor is arranged in the condensation water tank 9;
the heat supply network circulating water supply pipeline 5 and the heat supply network circulating water return pipeline 6 are respectively provided with a pressure sensor;
the temperature sensor and the pressure sensor are connected with the controller.
The absorption heat pumps 10 of the two groups of water replenishing pipelines are respectively communicated with a condensation water tank 9 through a condensation water pipe 4.
The condensation water tank 9 is connected with a circulating water return pipeline 6 of the heat supply network through a return water replenishing pump 7;
the condensation water tank 9 is connected with the heat supply network circulating water supply pipeline 5 through a water supply and supplement pump 8;
the backwater water replenishing pump 7 and the water supply water replenishing pump 8 are both connected with a controller.
The cooling water inlet pipeline 2 is provided with an electromagnetic valve;
a drain valve is arranged on the condensate pipe 4;
the controller is connected with the electromagnetic valve and the drain valve.
Referring to fig. 1, electromagnetic valves may also be disposed at two ends of the steam intake pipe 1 connected to the absorption heat pump 10, and the electromagnetic valves are connected to a controller, so as to control the steam intake pipe 1 to transfer the cooling water into and out of the absorption heat pump 10, and the controller is connected to the electromagnetic valves disposed on the cooling water inlet pipeline 2, and is used to control the cooling water to transfer the cooling water into and out of the absorption heat pump 10. The switch based on the controller control solenoid valve belongs to the prior art, and is not described in detail herein.
Because the absorption heat pump 10 needs to extract heat from the low-temperature industrial waste heat water to heat the circulating water return of the heat supply network, the lower the return water temperature is, the easier the absorption heat pump 10 absorbs heat, and the consumption of the driving steam quantity is reduced;
when water replenishing operation is required, the absorption heat pump 10 is started, the electromagnetic valve positioned at one end of the steam inlet pipe 1, which enters the absorption heat pump 10, is opened, the electromagnetic valve at one end of the steam inlet pipe 1, which flows out of the absorption heat pump 10, is closed, and the electromagnetic valve on the cooling water inlet pipeline 2 is opened;
cooling water flows out from the cooling water inlet pipeline 2 through the absorption heat pump 10 and then flows out from the cooling water outlet pipeline 3, the steam inlet pipe 1 enters the absorption heat pump, and the cooling water is condensed and enters the condensation water tank 9 through the condensation water pipe 4 to be stored under the action of the cooling water;
the temperature of the condensed water is detected through a temperature sensor, the pressure of a water path in a corresponding pipeline is detected through a pressure sensor, the detected temperature and pressure conditions are sent to a controller, corresponding temperature threshold values, a first lower limit value of return water pressure, a second lower limit value of return water pressure, a first upper limit value of return water pressure and a second upper limit value of return water pressure are preset according to actual conditions, and corresponding control is carried out according to comparison between an actual pressure value and corresponding limits; wherein the upper limit value I of the backwater pressure is larger than the upper limit value II of the backwater pressure and is larger than the lower limit value I of the backwater pressure and is larger than the lower limit value II of the backwater pressure;
the present example sets the temperature threshold to 50 ℃;
when the temperature of the condensed water is higher than 50 ℃, if the actual return water pressure is lower than the lower limit value of the return water pressure, the controller controls the water supply and supplementing pump 8 to be started for supplementing water;
if the backwater pressure is lower than the backwater pressure lower limit two, the controller controls the backwater water replenishing pump 7 and the water supply water replenishing pump 8 to be simultaneously opened for replenishing water;
when the pressure of the return water is higher than the upper limit value II of the return water pressure, the controller controls the return water replenishing pump 7 to stop running, and when the pressure of the return water is higher than the upper limit value I of the return water pressure, the water supply water replenishing pump 8 stops running;
and when the temperature is lower than 50 ℃, only controlling the backwater water replenishing pump 7 to carry out corresponding on-off control according to the comparison between the actual pressure and the corresponding backwater pressure value limit value.
The program design for controlling the corresponding water replenishing pump based on the temperature and pressure information received by the controller adopts the prior art, and redundant description is omitted.
Claims (4)
1. The double-effect water replenishing device for the water supply pipe and the water return pipe of the absorption heat pump is characterized by comprising a heat supply network circulating water supply pipeline (5) and a heat supply network circulating water return pipeline (6), wherein the heat supply network circulating water supply pipeline (5) and the heat supply network circulating water return pipeline (6) are respectively connected with a group of water replenishing pipelines;
the water supplementing pipeline comprises a steam inlet pipe (1) connected with an absorption heat pump (10), a cooling water inlet pipeline (2) and a cooling water outlet pipeline (3), the heat supply network circulating water supply pipeline (5) and the heat supply network circulating water return pipeline (6) are respectively connected with a corresponding group of condensation water tanks (9), and the absorption heat pump (10) is connected with the condensation water tanks (9);
a temperature sensor is arranged in the condensation water tank (9);
the heat supply network circulating water supply pipeline (5) and the heat supply network circulating water return pipeline (6) are respectively provided with a pressure sensor;
the temperature sensor and the pressure sensor are connected with the controller.
2. The absorption heat pump water supply pipe and water return pipe double-effect water replenishing device according to claim 1, wherein the absorption heat pumps (10) of the two water replenishing pipelines are respectively communicated with the condensation water tank (9) through the condensation water pipe (4).
3. The absorption heat pump water supply pipe and return pipe double-effect water replenishing device according to claim 2, wherein the condensation water tank (9) is connected with a heat supply network circulating water return pipeline (6) through a return water replenishing pump (7);
the condensation water tank (9) is connected with a circulating water supply pipeline (5) of the heat supply network through a water supply and supplement pump (8);
and the water return and water supply and water supplement pump (7) and the water supply and water supplement pump (8) are both connected with the controller.
4. The absorption heat pump water supply pipe and return pipe double-effect water replenishing device according to claim 3, wherein the cooling water inlet pipeline (2) is provided with an electromagnetic valve;
a drain valve is arranged on the condensed water pipe (4);
the controller is connected with the electromagnetic valve and the drain valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696434.1U CN216048466U (en) | 2021-07-23 | 2021-07-23 | Double-effect water replenishing device for water supply pipe and water return pipe of absorption heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696434.1U CN216048466U (en) | 2021-07-23 | 2021-07-23 | Double-effect water replenishing device for water supply pipe and water return pipe of absorption heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216048466U true CN216048466U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121696434.1U Active CN216048466U (en) | 2021-07-23 | 2021-07-23 | Double-effect water replenishing device for water supply pipe and water return pipe of absorption heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216048466U (en) |
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2021
- 2021-07-23 CN CN202121696434.1U patent/CN216048466U/en active Active
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