CN219492696U - Cooling system of air compressor - Google Patents
Cooling system of air compressor Download PDFInfo
- Publication number
- CN219492696U CN219492696U CN202320653451.XU CN202320653451U CN219492696U CN 219492696 U CN219492696 U CN 219492696U CN 202320653451 U CN202320653451 U CN 202320653451U CN 219492696 U CN219492696 U CN 219492696U
- Authority
- CN
- China
- Prior art keywords
- water
- outlet
- cooling
- heat exchanger
- inlet
- 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
Abstract
The utility model discloses a cooling system of an air compressor, which comprises: the control system, the water cooling loop and the cooling liquid loop share the heat exchanger; an intercooler in the water cooling loop is connected with a cooling tower, an inlet node formed by connecting the heat exchanger and the flow control valve in parallel is connected with the intercooler, and an outlet node formed by connecting the heat exchanger and the flow control valve in parallel is connected with a water inlet of the cooling tower; a flowmeter and a temperature sensor are arranged between the cooling tower and the intercooler, a temperature sensor is arranged between the intercooler and the inlet node, and a flowmeter and a temperature sensor are arranged between the heat exchanger and the outlet node; the heat exchanger in the cooling liquid loop is connected with the water tank in parallel and then is connected with the water pump, the water pump is connected with the cooling liquid inlet of the motor of the air compressor, and the cooling liquid outlet of the motor is connected with the heat exchanger; the control system is matched with the temperature sensor and the flowmeter to control the flow control valve and the cooling tower in an interlocking way. The cooling system of the air compressor solves the problems that an existing cooling system of an air compressor can not ensure that a motor is always well cooled, and space occupation is large due to the arrangement of two sets of cooling systems, so that on-site arrangement is not facilitated.
Description
Technical Field
The utility model relates to the field of air compressors, in particular to a cooling system of an air compressor.
Background
An air compressor, also called an air compressor, is a device for compressing a gas. Can be suitable for special and severe environments such as high humidity, much dust, high temperature, inflammability, explosiveness and the like and occasions with large impact and load change, has many advantages not possessed by other power machines, and is therefore adopted by many industries such as mines, machines, metallurgy, building materials and the like.
The air compressor machine is compressed the air by the turbine driven by the motor, and in the course of the work, the motor generates heat and heaies up, needs timely cooling to avoid shortening life or causing the trouble because of the high temperature, influence the normal use of air compressor machine. When the air compressor compresses air, intermolecular gaps of the compressed air are reduced, potential energy is reduced, internal energy is increased, the temperature of the compressed air is increased, power consumption is increased due to thermal expansion of gas, air compression efficiency is reduced, meanwhile, oil and water contained in high-temperature compressed air discharged can not be fully condensed and separated, gas utilization equipment is affected or accumulated in a pipeline, and therefore the compressed air also needs to be cooled. The motors of the compressed air and the air compressor are required to be cooled to ensure that the air compressor is normally used, and the existing air compressor is generally provided with two sets of water cooling and air cooling systems to respectively cool the motors of the compressed air and the air compressor.
The cooling effect of the air cooling system is greatly influenced by the environment, when the environment temperature is high, the cooling effect is poor, the motor of the air compressor is easy to overheat, the service life is influenced, dust is easy to accumulate when the air cooling system is applied to the environment with more dust, the heat dissipation of the motor is influenced, the motor is also easy to overheat, the service life is influenced, and the air cooling system can not ensure that the motor always obtains good cooling; and the air compressor and the two independent cooling systems are arranged in the same cabinet, so that the occupied space of the air compressor cabinet is large, and the on-site arrangement of the air compressor cabinet is not facilitated.
Disclosure of Invention
The utility model provides an air compressor cooling system, which aims to solve the problems that the prior air compressor is generally provided with two sets of systems for cooling compressed air and motors of the air compressor respectively, an air cooling system for cooling the motors is greatly influenced by environment, the motors can not be ensured to be well cooled all the time, and the air compressor and the two sets of independent cooling systems are arranged in the same cabinet, so that the occupied space of the cabinet of the air compressor is large and the on-site arrangement of the cabinet of the air compressor is not facilitated.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
an air compressor cooling system, comprising: the control system, the water cooling loop and the cooling liquid loop share a heat exchanger;
the water cooling loop comprises an intercooler, a heat exchanger, a flow control valve and a cooling tower, wherein a water inlet of the intercooler is connected with a water outlet of the cooling tower, an inlet node is formed after a cold side medium inlet of the heat exchanger and an inlet end of the flow control valve are connected in parallel, the inlet node is connected with a water outlet of the intercooler, a cold side medium outlet of the heat exchanger and an outlet end of the flow control valve are connected in parallel to form an outlet node, and the outlet node is connected with a water inlet of the cooling tower;
a cooling water flowmeter and a water inlet temperature sensor are arranged on a pipeline between the water outlet of the cooling tower and the water inlet of the intercooler, an intercooler water outlet temperature sensor is arranged on a pipeline between the water outlet of the intercooler and the inlet node, and a heat exchanger flowmeter and a heat exchanger water outlet temperature sensor are arranged on a pipeline between the cold side medium outlet of the heat exchanger and the outlet node;
the cooling liquid loop comprises a heat exchanger, a water tank and a water pump, wherein a hot side medium outlet of the heat exchanger is connected with an outlet of the water tank filled with cooling liquid in parallel and then is connected with an inlet of the water pump, an outlet of the water pump is connected with a cooling liquid inlet of a motor of the air compressor, and a cooling liquid outlet of the motor is connected with a hot side medium inlet of the heat exchanger;
the control system can receive data detected by each temperature sensor and each flowmeter and output control signals to control the opening degree of the flow control valve, the outlet water temperature of the cooling tower and the outlet water flow in an interlocking mode.
Further, the cooling liquid loop is provided with a motor water inlet temperature sensor and a motor water outlet temperature sensor.
Further, the water tank is provided with a liquid level alarm.
Further, the heat exchanger is a plate heat exchanger.
Further, the automatic water draining device is further included, and the intercooler is connected with the automatic water draining device.
Furthermore, a one-way valve is arranged on a pipeline between the cold side medium outlet and the outlet node of the heat exchanger.
Further, the control system is provided with a display screen.
The utility model has the beneficial effects that:
different from the existing air compressors provided with two sets of independent cooling systems, the cooling system of the air compressor provided by the utility model has the advantages that the cooling system can cool compressed air and an air compressor motor at the same time by arranging the water cooling loop and the cooling liquid loop of the common heat exchanger, so that the integration level of the cooling system is improved, and meanwhile, the requirement on the installation space is reduced;
according to the air compressor cooling system provided by the utility model, the temperature sensors and the flow meters detect the flow and the temperature data of the cooling system in real time, and the control system receives the data detected by the temperature sensors and the flow meters and outputs the control signals to control the opening of the flow control valve and the outlet water temperature and the outlet water flow of the cooling tower in an interlocking manner, so that the compressed air and the air compressor motor can always obtain good cooling conditions, and the reliability of the cooling system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic structural diagram of a cooling system of an air compressor disclosed by the utility model;
in the figure: 1. an intercooler; 2. a heat exchanger; 3. a flow control valve; 4. a one-way valve; 5. a water tank; 51. a liquid level alarm; 6. a water pump; 7. an automatic drainer; 8. a cooling tower; t1, a water inlet temperature sensor; t2, an intercooler water outlet temperature sensor; t3, a heat exchanger water outlet temperature sensor; t4, a motor water inlet temperature sensor; t5, a motor water outlet temperature sensor; l1, a cooling water flowmeter; l2, heat exchanger flow meter; A. and a motor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides an air compressor cooling system, which comprises a control system, a water cooling loop and a cooling liquid loop, wherein the water cooling loop and the cooling liquid loop share a heat exchanger 2;
as shown in fig. 1, the water cooling loop comprises an intercooler 1, a heat exchanger 2, a flow control valve 3 and a cooling tower 8, wherein a water inlet of the intercooler 1 is connected with a water outlet of the cooling tower 8, a cold side medium inlet of the heat exchanger 2 and an inlet end of the flow control valve 3 are connected in parallel to form an inlet node, the inlet node is connected with a water outlet of the intercooler 1, a cold side medium outlet of the heat exchanger 2 and an outlet end of the flow control valve 3 are connected in parallel to form an outlet node, the outlet node is connected with a water inlet of the cooling tower 8, and the flow rate of cooling water flowing through the heat exchanger 2 is controlled by the flow control valve 3;
a pipeline between a water outlet of the cooling tower 8 and a water inlet of the intercooler 1 is provided with a cooling water flowmeter L1 and a water inlet temperature sensor T1, compressed air before cooling enters from a gas inlet of the intercooler 1, compressed air cooled by the intercooler 1 is discharged from a gas outlet of the intercooler 1, a pipeline between a water outlet and an inlet node of the intercooler 1 is provided with an intercooler water outlet temperature sensor T2, and a pipeline between a cold side medium outlet and an outlet node of the heat exchanger 2 is provided with a heat exchanger flowmeter L2 and a heat exchanger water outlet temperature sensor T3;
the cooling liquid loop comprises a heat exchanger 2, a water tank 5 and a water pump 6, wherein a hot side medium outlet of the heat exchanger 2 is connected with an outlet of the water tank 5 filled with cooling liquid in parallel and then is connected with an inlet of the water pump 6, an outlet of the water pump 6 is connected with a cooling liquid inlet of a motor A of the air compressor, a cooling liquid outlet of the motor A is connected with a hot side medium inlet of the heat exchanger 2, and cooling capacity of the cooling liquid loop is provided by the heat exchanger 2 shared by the water cooling loop;
the control system obtains the temperature difference of cooling water passing through the intercooler 1 through the intercooler outlet water temperature sensor T2 and the inlet water temperature sensor T1 and calculates the heat exchange amount of the intercooler 1 by combining the flow meter detected by the cooling water flow meter L1, obtains the temperature difference of cooling water passing through the heat exchanger 2 through the heat exchanger outlet water temperature sensor T3 and the intercooler outlet water temperature sensor T2 and calculates the heat exchange amount of the heat exchanger 2 by combining the flow meter detected by the heat exchanger flow meter L2, and interlockingly controls the opening of the flow control valve 3 and the outlet water temperature and the outlet water flow of the cooling tower 8 according to the data detected by the temperature sensors (T1 to T5) and the flow meters (L1 and L2) and the calculated heat exchange amount;
different from the existing air compressors provided with two sets of independent cooling systems, the cooling system of the air compressor provided by the embodiment enables the cooling system to cool the compressed air and the motor A of the air compressor simultaneously by arranging the water cooling loop and the cooling liquid loop of the common heat exchanger 2, improves the integration level of the cooling system and reduces the requirement on the installation space;
according to the cooling system of the air compressor, provided by the utility model, the temperature sensors (T1 to T5) and the flow meters (L1 and L2) detect the flow and temperature data of the cooling system, and the control system controls the opening of the flow control valve 3 and the water outlet temperature and water outlet flow of the cooling tower 8 according to the detected data and the calculated heat exchange amount, so that the motor A of the compressed air and the air compressor can always obtain good cooling conditions, and the reliability of the cooling system is improved.
In actual operation, the cooling system performs interlocking control (adjusting the opening of the flow control valve 3, reducing the outlet water temperature of the cooling tower 8, increasing the outlet water flow of the cooling tower 8) by the control system, and the following describes the procedure of interlocking control of the control system;
when the water inlet temperature sensor T1 detects the water inlet temperature T 1 Above the set value t 0 When the control system interlocks and controls the cooling tower 8 to reduce the outlet water temperature of the cooling tower 8 until the inlet water temperature t 1 Lowering to not higher than the set value t 0 ；
The intercooler outlet water temperature sensor T2 detects the intercooler outlet water temperature T of the cooling water after the cooling water exchanges heat with the compressed air through the intercooler 1 2 And the inlet water temperature t 1 The subtraction gives the temperature difference (t 2 -t 1 ) And combines the inlet water flow v detected by the inlet water flow meter L1 1 Calculate the heat exchange quantity Q of the intercooler 1 1 (Q 1 ＝c×v 1 ×ρ×(t 2 -t 1 ) Wherein c is the specific heat capacity of cooling water and ρ is the density of cooling water), the heat exchange quantity Q of the intercooler 1 1 Below the set value Q 10 When the control system interlocks and controls the cooling tower 8 to increase the water outlet flow of the cooling tower 8, thereby increasing the water inlet flow v 1 To increase the heat exchange quantity Q of the intercooler 1 1 ；
The heat exchanger outlet water temperature sensor T3 detects the heat exchanger outlet water temperature T of the cooling water after heat exchange between the heat exchanger 2 and the cooling liquid loop 3 And intercooler outlet temperature t 2 The subtraction gives the temperature difference (t 3 -t 2 ) And combined with heat-exchanger flowThe flow v of cooling water through the heat exchanger 2 measured by the meter L2 2 Calculating the heat exchange quantity Q of the heat exchanger 2 2 (Q 2 ＝c×v 2 ×ρ×(t 3 -t 2 ) As the heat exchange quantity Q of the heat exchanger 2 2 Below the set value Q 20 In this case, the control system interlockingly controls the opening of the flow control valve 3 to reduce the flow rate of the cooling water in the branch where the flow control valve 3 is located, thereby increasing the flow rate v of the cooling water flowing through the heat exchanger 2 2 To increase the heat exchange quantity Q of the heat exchanger 2 2 。
In a specific embodiment, the cooling liquid loop is provided with a motor water inlet temperature sensor T4 and a motor water outlet temperature sensor T5 so as to detect the temperature of the cooling liquid before and after flowing through the motor A.
In a specific embodiment, the water tank 5 is provided with a liquid level alarm 51, in the running process of the cooling system, the risk of leakage of the cooling liquid exists, if the cooling liquid leaks, the liquid level alarm 51 automatically alarms to prompt an operator that the motor A needs to be stopped, a pipeline in a cooling liquid loop is overhauled, and the cooling liquid is filled into the water tank 5 from an inlet of the water tank so as to prevent the motor A from being damaged due to overhigh temperature.
In a specific embodiment, the heat exchanger 2 is a plate heat exchanger, and a commonly used heat exchanger comprises a shell-and-tube heat exchanger and a plate heat exchanger, wherein the flow state of a medium in the shell-and-tube heat exchanger is laminar and is easy to cause scaling, the flow state of the medium in the plate heat exchanger is turbulent and is not easy to cause scaling, the flows of a cold side medium and a hot side medium of the shell-and-tube heat exchanger form 90 degrees, convection cannot be formed, the heat exchange efficiency is low, and the flows of the cold side medium and the hot side medium of the plate heat exchanger form 180 degrees, so that convection is formed, and the heat exchange efficiency is high.
In the specific embodiment, the intercooler 1 is connected with the automatic drainer 7 through a pipeline, and the automatic drainer 7 is used for draining condensed water, so that the secondary pollution of compressed air by the condensed water is effectively avoided.
In a specific embodiment, a one-way valve 4 is arranged on a pipeline between the cold side medium outlet and the outlet node of the heat exchanger 2, and the one-way valve 4 plays a role in stopping return, so that high-temperature cooling water flowing through the heat exchanger 2 after heat exchange is prevented from returning to the heat exchanger 2.
In a specific embodiment, the control system is provided with a display screen, the display screen can display the heat exchange quantity of the intercooler 1 and the heat exchanger 2 obtained by calculation of the control system according to the data, and an operator can conveniently and quickly know key data in the cooling system.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. An air compressor cooling system, comprising: the control system, the water cooling loop and the cooling liquid loop share the heat exchanger (2);
the water cooling loop comprises an intercooler (1), a heat exchanger (2), a flow control valve (3) and a cooling tower (8), wherein a water inlet of the intercooler (1) is connected with a water outlet of the cooling tower (8), a cold side medium inlet of the heat exchanger (2) and an inlet end of the flow control valve (3) are connected in parallel to form an inlet node, the inlet node is connected with a water outlet of the intercooler (1), and a cold side medium outlet of the heat exchanger (2) and an outlet end of the flow control valve (3) are connected in parallel to form an outlet node, and the outlet node is connected with a water inlet of the cooling tower (8);
a cooling water flowmeter (L1) and a water inlet temperature sensor (T1) are arranged on a pipeline between a water outlet of the cooling tower (8) and a water inlet of the intercooler (1), an intercooler water outlet temperature sensor (T2) is arranged on a pipeline between a water outlet and an inlet node of the intercooler (1), and a heat exchanger flowmeter (L2) and a heat exchanger water outlet temperature sensor (T3) are arranged on a pipeline between a cold side medium outlet and an outlet node of the heat exchanger (2);
the cooling liquid loop comprises a heat exchanger (2), a water tank (5) and a water pump (6), wherein a hot side medium outlet of the heat exchanger (2) is connected with an outlet of the water tank (5) filled with cooling liquid in parallel and then is connected with an inlet of the water pump (6), an outlet of the water pump (6) is connected with a cooling liquid inlet of a motor (A) of the air compressor, and a cooling liquid outlet of the motor (A) is connected with a hot side medium inlet of the heat exchanger (2);
the control system can receive data detected by each temperature sensor and each flowmeter and output control signals to control the opening degree of the flow control valve (3) and the outlet water temperature and the outlet water flow of the cooling tower (8) in an interlocking mode.
2. An air compressor cooling system according to claim 1, wherein the cooling liquid circuit is provided with a motor inlet water temperature sensor (T4) and a motor outlet water temperature sensor (T5).
3. An air compressor cooling system according to claim 1, characterized in that the water tank (5) is provided with a liquid level alarm (51).
4. An air compressor cooling system according to claim 1, characterized in that the heat exchanger (2) is a plate heat exchanger.
5. An air compressor cooling system according to claim 1, further comprising an automatic drain (7), wherein the intercooler (1) is connected to the automatic drain (7).
6. An air compressor cooling system according to claim 1, characterized in that a one-way valve (4) is arranged in the line between the cold side medium outlet and the outlet node of the heat exchanger (2).
7. An air compressor cooling system according to claim 1 or 2, wherein the control system is provided with a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320653451.XU CN219492696U (en) | 2023-03-29 | 2023-03-29 | Cooling system of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320653451.XU CN219492696U (en) | 2023-03-29 | 2023-03-29 | Cooling system of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219492696U true CN219492696U (en) | 2023-08-08 |
Family
ID=87476654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320653451.XU Active CN219492696U (en) | 2023-03-29 | 2023-03-29 | Cooling system of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219492696U (en) |
-
2023
- 2023-03-29 CN CN202320653451.XU patent/CN219492696U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103154625B (en) | Freezing cycle device | |
| CN204168697U (en) | A kind of dual cycle cooling system for high-power electronic device | |
| CN104501648A (en) | Cooling system for cabinet of data machine room | |
| CN108469111A (en) | A kind of control method of residual neat recovering system and residual neat recovering system based on data center | |
| CN204359196U (en) | A kind of data center module rack cooling system | |
| CN116428221A (en) | Cooling system of air compressor | |
| CN208952510U (en) | A kind of modified constant pressure water supply industry cooling water circulation system | |
| CN203744461U (en) | Control device comprising pump, and cooling system | |
| CN104567054A (en) | Anti-surge system of centrifugal type refrigerating unit | |
| CN104102310B (en) | Cooling system for server whole machine cabinet | |
| CN215121663U (en) | Large-scale server liquid cooling system with stable and reliable work | |
| CN204757425U (en) | Centrifugal refrigerating unit anti -surge system | |
| CN219492696U (en) | Cooling system of air compressor | |
| CN110602927B (en) | Cold quantity distribution unit for liquid cooling system of data communication equipment center | |
| JP5913066B2 (en) | Heat source system | |
| CN212133038U (en) | Process cooling water system for battery workshop | |
| CN208952509U (en) | A kind of constant pressure water supply type industry cooling water circulation system | |
| CN209371609U (en) | A kind of constant pressure water supply type industry cooling water circulation system in carry potential overflow circuit | |
| CN209569151U (en) | A kind of equipment of test compression machine oil drain quantity and refrigeration system oil cycle performance | |
| CN203501539U (en) | Combined cooling heating and power air conditioning system | |
| CN203474138U (en) | Cooling device of hoister medium-voltage frequency conversion cabinet | |
| CN103292391B (en) | Air-conditioner energy storage device | |
| CN210638322U (en) | Waste heat refrigerating system of coal-fired power plant | |
| CN214333169U (en) | Equipment constant temperature equipment based on public auxiliary circulating water system | |
| CN106442299B (en) | Flue gas low temperature corrosion detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |