CN215676554U - Self-pressure production-maintaining type circulating cooling water system - Google Patents
Self-pressure production-maintaining type circulating cooling water system Download PDFInfo
- Publication number
- CN215676554U CN215676554U CN202121855428.6U CN202121855428U CN215676554U CN 215676554 U CN215676554 U CN 215676554U CN 202121855428 U CN202121855428 U CN 202121855428U CN 215676554 U CN215676554 U CN 215676554U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- water
- water inlet
- cooling tower
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a self-pressure production-maintaining type circulating cooling water system, and belongs to the technical field of equipment cooling systems. According to the utility model, by utilizing the larger height difference between the low-temperature water collecting tank of the cooling tower and the heat exchanger, the circulating water of the low-temperature water collecting tank of the cooling tower is directly led into the heat exchanger for cooling through the water inlet pipeline of the heat exchanger, and the high-temperature circulating water after heat exchange is conveyed to the cooling tower for cooling through the circulating water pump, so that the technical problem of overpressure of circulating cooling water of the heat exchanger is skillfully solved, and the normal use of the heat exchanger is facilitated. Meanwhile, under the condition of power failure, the water quantity retained by the low-temperature water collecting tank of the circulating water cooling tower can meet the requirement of normal use of the heat exchanger in a short time, and the low-temperature water collecting tank has the effect of safety and yield conservation.
Description
Technical Field
The utility model relates to a self-pressure production-maintaining type circulating cooling water system, and belongs to the technical field of equipment cooling systems.
Background
In the production process of enterprises such as electric power, metallurgy, chemical engineering and the like, circulating cooling water is adopted to circularly cool equipment or a heat exchanger of a medium. Due to the limitation of the terrain, the low-temperature water collecting tank of part of the circulating water cooling tower is built at a higher position, and has larger height difference with the heat exchanger, the adoption of the traditional water pump water supply mode can cause the overpressure of the heat exchanger, and is very unfavorable for the service life and the normal operation of the heat exchanger. In addition, under the condition of power failure, the water pump can not work, and the cooling water system of the heat exchanger also can automatically stop running.
SUMMERY OF THE UTILITY MODEL
The first technical problem to be solved by the utility model is as follows: the self-pressure production-maintaining type circulating cooling water system is simple and practical, and the heat exchanger can normally operate under the condition of short-time power failure.
In order to solve the technical problems, the utility model adopts the technical scheme that: a self-pressure production-maintaining type circulating cooling water system comprises a circulating water cooling tower, a cooling tower low-temperature water collecting tank, a heat exchanger, a high-temperature water collecting tank and a circulating water pump, wherein a water outlet of the heat exchanger is connected with a water inlet at the top of the high-temperature water collecting tank through a heat exchanger water outlet pipeline, the high-temperature water collecting tank is connected with a water inlet end of the circulating water pump through a pipeline, a water outlet end of the circulating water pump is connected with a water inlet end of the circulating water cooling tower through a pipeline, a water outlet end of the circulating water cooling tower is connected with a water inlet end of the cooling tower low-temperature water collecting tank, a water pump is not arranged between the water outlet of the cooling tower low-temperature water collecting tank and the water inlet of the heat exchanger and is directly connected through a heat exchanger water inlet pipeline, and a valve is arranged on the heat exchanger water inlet pipeline; the water outlet of the low-temperature water collecting tank of the cooling tower is higher than the water inlet of the heat exchanger, and the height difference between the water outlet and the water inlet is 20-40 m.
Further, the method comprises the following steps: the height difference between the water outlet of the heat exchanger and the water inlet at the top of the high-temperature water collecting tank is not more than 2 m.
Further, the method comprises the following steps: the heat exchanger water inlet pipeline comprises a heat exchanger water inlet first branch pipe and a heat exchanger water inlet second branch pipe which are connected with the heat exchanger, and a heat exchanger water inlet main pipe which is connected with the cooling tower low-temperature water collecting tank, wherein the heat exchanger water inlet first branch pipe and the heat exchanger water inlet second branch pipe are both connected with the heat exchanger water inlet main pipe; the heat exchanger water outlet pipeline comprises a heat exchanger water outlet first branch pipe and a heat exchanger water outlet second branch pipe which are connected with the heat exchanger, and a heat exchanger water outlet main pipe which is connected with the high-temperature water collecting tank, wherein the heat exchanger water outlet first branch pipe and the heat exchanger water outlet second branch pipe are both connected with the heat exchanger water outlet main pipe, a third valve is arranged on the heat exchanger water outlet first branch pipe, and a fourth valve is arranged on the heat exchanger water outlet second branch pipe.
The utility model has the beneficial effects that: the circulating water of the low-temperature water collecting tank of the cooling tower is directly led into the heat exchanger for cooling through the heat exchanger water inlet pipeline by utilizing the larger height difference between the low-temperature water collecting tank of the cooling tower and the heat exchanger, and the high-temperature circulating water after heat exchange is conveyed to the cooling tower for cooling through the circulating water pump, so that the technical problem of overpressure of circulating cooling water of the heat exchanger is solved ingeniously, and the normal use of the heat exchanger is facilitated. Meanwhile, under the condition of power failure, the water quantity retained by the low-temperature water collecting tank of the circulating water cooling tower can meet the requirement of normal use of the heat exchanger in a short time, and the low-temperature water collecting tank has the effect of safety and yield conservation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
labeled as: 1-a circulating water cooling tower, 2-a cooling tower low-temperature water collecting tank, 3-a heat exchanger, 4-a high-temperature water collecting tank, 5-a circulating water pump, 6-a heat exchanger water inlet main pipe, 7-a heat exchanger water inlet first branch pipe, 8-a first valve, 9-a second valve, 10-a heat exchanger water inlet second branch pipe, 11-a third valve, 12-a heat exchanger water outlet first branch pipe, 13-a fourth valve, 14-a heat exchanger water outlet second branch pipe, 15-a heat exchanger water outlet main pipe and 16-a water pump water outlet pipeline.
Detailed Description
The utility model is further explained below with reference to the drawings and examples.
As shown in figure 1, the utility model comprises a circulating water cooling tower 1, a cooling tower low-temperature water collecting tank 2, a heat exchanger 3, a high-temperature water collecting tank 4 and a circulating water pump 5, wherein a water outlet of the heat exchanger 3 is connected with a water inlet at the top of the high-temperature water collecting tank 4 through a heat exchanger water outlet pipeline, the high-temperature water collecting tank 4 is connected with a water inlet end of the circulating water pump 5 through a pipeline, a water outlet end of the circulating water pump 5 is connected with a water inlet end of the circulating water cooling tower 1 through a pipeline, a water outlet end of the circulating water cooling tower 1 is connected with a water inlet end of the cooling tower low-temperature water collecting tank 2, a water pump is not arranged between the water outlet of the cooling tower low-temperature water collecting tank 2 and the water inlet of the heat exchanger 3 and is directly connected through a heat exchanger water inlet pipeline, and a valve is arranged on the heat exchanger water inlet pipeline; the water outlet of the low-temperature water collecting tank 2 of the cooling tower is higher than the water inlet of the heat exchanger 3, and the height difference between the water outlet and the water inlet is 20m to 40 m.
When the circulating water cooling device is implemented, high-temperature circulating water is cooled in the circulating water cooling tower 1 to be cooled into low-temperature circulating water and is collected in the cooling tower low-temperature water collecting tank 2, the low-temperature circulating water automatically flows into the heat exchanger 3 through a heat exchanger water inlet pipeline by utilizing height difference to cool equipment, the high-temperature circulating water absorbing heat in the heat exchanger 3 is collected in the high-temperature water collecting tank 4 through a heat exchanger water outlet pipeline, and the high-temperature circulating water is pressurized and enters the cooling tower 1 for cooling through the circulating water pump 5 arranged at the bottom of the high-temperature water collecting tank 4 to complete a cycle. The high temperature of the "high temperature header tank 4" in the present invention is relative to the low temperature of the "low temperature header tank 2" of the cooling tower, and therefore, the definition of the "high temperature header tank 4" and the "low temperature header tank 2" of the cooling tower is clear.
In order to facilitate the utilization of the residual pressure of the heat exchanger 3 cooling water system, the high-temperature circulating water after heat exchange smoothly flows into the high-temperature water collecting tank 4, and the height difference between the water outlet of the heat exchanger 3 and the water inlet at the top of the high-temperature water collecting tank 4 is not more than 2 m.
Preferably, the heat exchanger water inlet pipeline comprises a heat exchanger water inlet first branch pipe 7 and a heat exchanger water inlet second branch pipe 10 which are connected with the heat exchanger 3, and a heat exchanger water inlet main pipe 6 which is connected with the cooling tower low-temperature water collecting tank 2, the heat exchanger water inlet first branch pipe 7 and the heat exchanger water inlet second branch pipe 10 are both connected with the heat exchanger water inlet main pipe 6, a first valve 8 is arranged on the heat exchanger water inlet first branch pipe 7, and a second valve 9 is arranged on the heat exchanger water inlet second branch pipe 10; the heat exchanger water outlet pipeline comprises a heat exchanger water outlet first branch pipe 12 and a heat exchanger water outlet second branch pipe 14 which are connected with the heat exchanger 3, and a heat exchanger water outlet main pipe 15 which is connected with the high-temperature water collecting tank 4, wherein the heat exchanger water outlet first branch pipe 12 and the heat exchanger water outlet second branch pipe 14 are both connected with the heat exchanger water outlet main pipe 15, a third valve 11 is arranged on the heat exchanger water outlet first branch pipe 12, and a fourth valve 13 is arranged on the heat exchanger water outlet second branch pipe 14. The cooling water system of heat exchanger 3 adopts the mode of two-in two-out to every branch pipe all is provided with the valve of independent setting, can conveniently control cooling efficiency on the one hand, and on the other hand still can conveniently overhaul.
The capacity of the cooling tower water collecting tank 2 is designed according to the power of the heat exchanger 3, and the water retaining quantity of the cooling tower water collecting tank 2 can meet the cooling water requirement of the heat exchanger 3 for more than one hour, so that the effect of safety production retention is achieved.
Claims (3)
1. From pressing to protect production formula recirculating cooling water system, including recirculating cooling tower (1), cooling tower low temperature catch basin (2), heat exchanger (3), high temperature catch basin (4) and circulating water pump (5), the delivery port of heat exchanger (3) is connected with high temperature catch basin (4) top water inlet through heat exchanger outlet conduit, high temperature catch basin (4) are connected with the end of intaking of circulating water pump (5) through the pipeline, the play water end of circulating water pump (5) is connected with the end of intaking of recirculating cooling tower (1) through the pipeline, the play water end of recirculating cooling tower (1) is connected with the end of intaking of cooling tower low temperature catch basin (2), its characterized in that: a water pump is not arranged between the water outlet of the cooling tower low-temperature water collecting tank (2) and the water inlet of the heat exchanger (3), the water outlet of the cooling tower low-temperature water collecting tank and the water inlet of the heat exchanger are directly connected through a heat exchanger water inlet pipeline, and a valve is arranged on the heat exchanger water inlet pipeline; the water outlet of the cooling tower low-temperature water collecting tank (2) is higher than the water inlet of the heat exchanger (3), and the height difference between the water outlet and the water inlet is 20-40 m.
2. The autogenous pressure production-preserving recirculating cooling water system as set forth in claim 1, wherein: the height difference between the water outlet of the heat exchanger (3) and the water inlet at the top of the high-temperature water collecting tank (4) is not more than 2 m.
3. The autogenous pressure production-preserving recirculating cooling water system as claimed in claim 1 or 2, wherein: the heat exchanger water inlet pipeline comprises a heat exchanger water inlet first branch pipe (7) and a heat exchanger water inlet second branch pipe (10) which are connected with the heat exchanger (3), and a heat exchanger water inlet main pipe (6) which is connected with the cooling tower low-temperature water collecting tank (2), wherein the heat exchanger water inlet first branch pipe (7) and the heat exchanger water inlet second branch pipe (10) are both connected with the heat exchanger water inlet main pipe (6), a first valve (8) is arranged on the heat exchanger water inlet first branch pipe (7), and a second valve (9) is arranged on the heat exchanger water inlet second branch pipe (10);
the heat exchanger water outlet pipeline comprises a heat exchanger water outlet first branch pipe (12) and a heat exchanger water outlet second branch pipe (14) which are connected with a heat exchanger (3) and a heat exchanger water outlet main pipe (15) which is connected with the high-temperature water collecting tank (4), the heat exchanger water outlet first branch pipe (12) and the heat exchanger water outlet second branch pipe (14) are both connected with the heat exchanger water outlet main pipe (15), a third valve (11) is arranged on the heat exchanger water outlet first branch pipe (12), and a fourth valve (13) is arranged on the heat exchanger water outlet second branch pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121855428.6U CN215676554U (en) | 2021-08-09 | 2021-08-09 | Self-pressure production-maintaining type circulating cooling water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121855428.6U CN215676554U (en) | 2021-08-09 | 2021-08-09 | Self-pressure production-maintaining type circulating cooling water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215676554U true CN215676554U (en) | 2022-01-28 |
Family
ID=79951136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121855428.6U Active CN215676554U (en) | 2021-08-09 | 2021-08-09 | Self-pressure production-maintaining type circulating cooling water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215676554U (en) |
-
2021
- 2021-08-09 CN CN202121855428.6U patent/CN215676554U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110631318A (en) | Circulating water cooling system of power plant | |
| CN201843651U (en) | Afterheat utilizing system of cold circulating water in steam turbine | |
| CN215676554U (en) | Self-pressure production-maintaining type circulating cooling water system | |
| CN210801754U (en) | Circulating water cooling system of power plant | |
| CN110259654B (en) | Solar wet air turbine water and electricity cogeneration system and working method thereof | |
| CN206138887U (en) | Power station high pressure compress air system | |
| CN201637291U (en) | Circulating water system cooling equipment of wet-cooling unit | |
| CN204851350U (en) | Utilize living water heating system of power plant's exhaust steam waste heat | |
| CN204984511U (en) | Condensing formula unit cold junction system of power plant based on parallelly connected arranging | |
| CN205481240U (en) | Novel series connection heat supply network drainage system | |
| CN113710076A (en) | Flexible direct current transmission converter valve cooling system | |
| CN202692290U (en) | Liquid nitrogen evaporation cold energy recovery and utilization system | |
| CN217058423U (en) | Water-saving anti-freezing system of natural ventilation cooling tower | |
| CN214671844U (en) | Nuclear power station cooling water system | |
| CN220959207U (en) | Device for providing cold energy for circulating water in circulating water heat exchanger | |
| CN205002623U (en) | Take direct current cooling water supply system of natural draft cooling tower cooling | |
| CN217715455U (en) | Non-afterburning type compressed air power station power generation side heat conduction oil heat exchange system | |
| CN220769707U (en) | Air-cooled efficient water ring vacuum pump set | |
| CN217686702U (en) | Circulating water system | |
| CN219014360U (en) | High-temperature water production cooling system for flue gas water lifting of coal-fired power plant | |
| CN214371837U (en) | Fresh water closed cooling system of motor cooler | |
| CN220339187U (en) | Cooling device for oil cooler | |
| CN218764820U (en) | Interconnection and intercommunication system based on wet cooling tower of thermal power plant | |
| CN212481428U (en) | Circulating water system with condenser of conventional unit and high-back-pressure heat supply unit connected in series | |
| CN214788651U (en) | Independent cooling system suitable for circulating water pump bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |