CN210036361U - Air compressor dew point temperature control heat recovery safety energy-saving device - Google Patents
Air compressor dew point temperature control heat recovery safety energy-saving device Download PDFInfo
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- CN210036361U CN210036361U CN201920457296.8U CN201920457296U CN210036361U CN 210036361 U CN210036361 U CN 210036361U CN 201920457296 U CN201920457296 U CN 201920457296U CN 210036361 U CN210036361 U CN 210036361U
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- heat exchanger
- air compressor
- plate heat
- dew point
- secondary side
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- 238000011084 recovery Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 17
- 239000002918 waste heat Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000005431 greenhouse gas Substances 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
A first plate heat exchanger (7) is connected with a second plate heat exchanger (9) in parallel, a secondary side water inlet and outlet pipeline of the first plate heat exchanger (7) is connected with a secondary side water outlet pipeline of the second plate heat exchanger (9) respectively, a frequency conversion pump set (12) is connected on a secondary side water inlet pipeline, a temperature sensor (11) is connected on a secondary side water outlet pipeline, and the temperature sensor (11) is connected with a direct digital control device (14) through a signal line. The control system with the dew point temperature control function is combined with the heat exchanger to achieve the best heat recovery efficiency in a mode of controlling water flow, the air compressor is enabled to run safely under the conditions of not generating condensation water and avoiding overhigh temperature, secondly, waste heat is utilized, a large amount of cost is saved, the degree of automation is high, the work is safe and stable, the energy-saving and environment-friendly effects are remarkable, the emission of greenhouse gases is reduced, the noise pollution is reduced to the maximum degree, and the market potential is huge.
Description
Technical Field
The utility model relates to an air compressor machine waste heat recovery equipment's institutional advancement technique, especially air compressor machine dew point temperature accuse heat recovery safety economizer.
Background
In the process of converting mechanical energy into mechanical energy and converting mechanical energy into wind energy, air is compressed under strong high pressure to increase the temperature suddenly, which is a phenomenon of mechanical energy conversion in common physics, high-temperature heat generated by high-speed rotation of a screw of the air compressor is mixed by adding lubricating oil of the air compressor to form oil/gas steam and is discharged out of a machine body, the heat of the high-temperature oil/gas flow is equal to 3/4 of input power of the air compressor, the temperature of the high-temperature oil/gas flow is usually 80 ℃ in winter to 100 ℃ in summer and autumn, and the heat is wastefully discharged into the atmosphere due to the requirement of the operating temperature of the machine, namely the heat dissipation system of the air compressor is used for meeting the temperature requirement of the operation of the machine.
The waste heat recovery of the air compressor is high-efficiency waste heat utilization equipment, cold water is heated by absorbing waste heat of the air compressor, and energy consumption is avoided. As a novel efficient waste heat utilization device, the waste heat utilization device is mainly used for solving the problems of life of staff, industrial hot water and the like. About 80% of energy input by the air compressor is dissipated in a heat mode, and the real effective energy is applied to less than 20%, so that the energy-saving potential brought to customers by heat recovery of the air compressor is very large. However, the internal circulation of the compressor has requirements on oil temperature, and the heat exchange efficiency of the heat exchanger of the air compression heat recovery system is different due to different heat values of different temperatures, so that not all heat energy of the existing air compression heat recovery system can be recovered, and the work efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air compressor machine dew point temperature control heat recovery safety economizer improves the operation efficiency, reinforcing job stabilization nature.
The purpose of the utility model is realized by the following technical measures: the system comprises a first plate heat exchanger, a second plate heat exchanger, a temperature sensor, a variable frequency pump set and direct digital control; the first plate heat exchanger is connected with the second plate heat exchanger in parallel, namely, the secondary side inlet and outlet pipelines of the first plate heat exchanger and the second plate heat exchanger are respectively connected, the secondary side inlet pipeline is connected with the variable frequency pump set, the secondary side outlet pipeline is connected with a temperature sensor, and the temperature sensor is connected with the direct digital control device through a signal line.
Particularly, a primary side inlet pipeline and a primary side outlet pipeline of the first plate heat exchanger are connected between a water outlet of the air compressor and a water inlet of the cooling tower, and a Y-shaped filter, a main circulating pump, a check valve and a spiral valve are sequentially arranged between the water outlet of the cooling tower and the water inlet of the air compressor. Furthermore, the water inlet and the water outlet of the cooling tower are respectively provided with an electromagnetic valve, and the connecting pipe of the water inlet and the water outlet of the cooling tower is in short connection through one electromagnetic valve. Furthermore, a short circuit is formed between the primary side inlet pipeline and the primary side outlet pipeline of the first plate heat exchanger through a solenoid valve.
Particularly, the electric valve is arranged on the primary side water inlet pipeline of the second plate type heat exchanger.
Particularly, the frequency conversion pump set is connected with at least three branch pipelines in parallel, each branch pipeline is provided with a frequency converter and a water pump, and the water pump is connected with the direct digital control equipment through a signal line.
Particularly, secondary side inlet and outlet pipelines of the first plate heat exchanger and the second plate heat exchanger are connected to a hot water main pipe; and a primary side inlet pipeline and a primary side outlet pipeline of the second plate heat exchanger are connected to a standby heat source.
Particularly, a set of electromagnetic valves is arranged on a primary side water inlet of the first plate heat exchanger.
Particularly, a pressure gauge, a thermometer and an electromagnetic valve are respectively arranged on the primary side and the secondary side of the first plate heat exchanger and the second plate heat exchanger, and on the water outlet.
Particularly, a temperature sensor is arranged on a water outlet of the secondary side of the second plate heat exchanger.
Particularly, a temperature sensor is respectively arranged at the near end and the far end of the secondary side water outlet pipe of the first plate type heat exchanger.
The utility model discloses an advantage and effect: utilize the air compressor machine waste heat, reduce cooling arrangement working strength, save a large amount of costs, degree of automation is high, and work safety and stability is showing energy-concerving and environment-protective effect, reduces greenhouse gas's emission, the furthest reduction noise pollution, market potential is huge.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
The reference numerals include:
the system comprises a cooling tower 1, a Y-shaped filter 2, a main circulating pump 3, a check valve 4, a solenoid valve 5, an air compressor 6, a first plate heat exchanger 7, a standby heat source 8, a second plate heat exchanger 9, an electric valve 10, a temperature sensor 11, a variable frequency pump group 12, a hot water main pipe 13, a direct digital control device 14, a frequency converter 1201 and a water pump 1202.
Detailed Description
The utility model discloses the principle lies in, and control system with dew point temperature control function combines heat exchanger to reach best heat recovery efficiency with the mode of control water flow to make air compressor machine compressor safe operation under the condition of not producing the condensate water and avoiding the high temperature.
The utility model discloses a: the system comprises a first plate heat exchanger 7, a second plate heat exchanger 9, a temperature sensor 11, a variable frequency pump set 12 and a direct digital control 14.
The present invention will be further explained with reference to the drawings and examples.
Example 1: as shown in fig. 1, the first plate heat exchanger 7 and the second plate heat exchanger 9 are connected in parallel, that is, the secondary side water inlet and outlet pipelines of the first plate heat exchanger 7 and the second plate heat exchanger 9 are respectively connected, and the secondary side water inlet pipeline is connected with a variable frequency pump set 12, and the secondary side water outlet pipeline is connected with a temperature sensor 11, and the temperature sensor 11 is connected with a direct digital control device 14 through a signal line.
In the foregoing, the first side of first plate heat exchanger 7 is advanced, outlet pipe line connection is between the delivery port of air compressor machine 6 and the water inlet of cooling tower 1, installs Y type filter 2, main circulating pump 3, check valve 4 and spiral valve 5 between the delivery port of cooling tower 1 and the water inlet of air compressor machine 6 in proper order. Furthermore, the water inlet and the water outlet of the cooling tower 1 are respectively provided with an electromagnetic valve, and the connecting pipe of the water inlet and the water outlet of the cooling tower 1 is in short connection through one electromagnetic valve. Furthermore, a short circuit is formed between the primary side inlet pipeline and the primary side outlet pipeline of the first plate heat exchanger 7 through a solenoid valve.
In the foregoing, the electric valve 10 is mounted on the primary side water inlet line of the second plate heat exchanger 9.
In the foregoing, at least three branch pipelines are connected in parallel to the variable frequency pump unit 12, and a frequency converter 1201 and a water pump 1202 are installed on each branch pipeline, wherein the water pump 1202 is connected with the direct digital control device 14 through a signal line.
In the foregoing, the secondary side inlet and outlet pipelines of the first plate heat exchanger 7 and the second plate heat exchanger 9 are connected to the hot water main pipe 13; the primary side inlet and outlet lines of the second plate heat exchanger 9 are connected to a backup heat source 8.
In the foregoing, a set of electromagnetic valves is installed on the primary side water inlet of the first plate heat exchanger 7.
In the foregoing, the pressure gauge, the temperature gauge and the electromagnetic valve are respectively installed on the primary side and the secondary side of the first plate heat exchanger 7 and the second plate heat exchanger 9, and on the water outlet.
In the foregoing, a temperature sensor 11 is installed on the secondary side water outlet of the second plate heat exchanger 9.
In the foregoing, the temperature sensors 11 are respectively mounted at the near end and the far end of the secondary side water outlet pipe of the first plate heat exchanger 7.
The embodiment of the utility model provides an in, direct digital control equipment 14 connects converter 1201 and water pump 1202 on cooling tower 1, main circulating pump 3, spiral valve 5, air compressor machine 6, motorised valve 10, temperature sensor 11 and the frequency conversion pump package 12 respectively according to design and work needs.
In the embodiment of the utility model, the cooling tower 1 has 6 air compressors with 32 degrees of water outlet and 32 degrees of water inlet; the air compressor 6 is used for feeding water at 32 degrees and discharging water at 42 degrees; the primary side of the first plate heat exchanger 7 is fed with water at 42 degrees, the secondary side of the first plate heat exchanger is fed with water at 32 degrees, the secondary side of the first plate heat exchanger is fed with water at 28 degrees, and the secondary side of the first plate heat exchanger is fed with water at 38 degrees; the water flows into the primary side of the second plate heat exchanger 9 for 45 degrees, flows out for 40 degrees, flows into the secondary side for 28 degrees and flows out for 38 degrees;
the embodiment of the utility model provides an in, after the long-time operation in scene, heat recovery system reaches energy-conserving requirement completely under the prerequisite that does not influence the normal work of air compressor machine 6. The working time of the cooling tower 1 is saved. The recovered heat can be directly supplied to the hot water main pipe 13, and meanwhile, the standby heat source 8 is connected through the second plate heat exchanger 9 through a preset interface, so that multiple working modes can be selected according to the working requirements of the system, and the working stability of the system is further improved.
The embodiment of the utility model provides an in, through measures such as reasonable increase indirect heating equipment and control system, the outside water pump and the pipeline that increases of cooperation can play the effect of the heat energy that the air compressor machine produced high-efficiently, safely and reliably retrieves, more is favorable to reducing the consumption and the noise of equipment simultaneously, reaches energy saving and reduce cost's purpose. After the heat is recycled, the load of the oil cooler of the air compressor 6 is greatly reduced, the frequency conversion energy of the fan can run at about 25 Hz on average, and the power consumption is greatly reduced.
Claims (10)
1. The air compressor dew point temperature control heat recovery safety energy-saving device comprises a first plate type heat exchanger (7), a second plate type heat exchanger (9), a temperature sensor (11), a variable frequency pump set (12) and direct digital control equipment (14); the system is characterized in that a first plate type heat exchanger (7) is connected with a second plate type heat exchanger (9) in parallel, the first plate type heat exchanger (7) is respectively connected with a secondary side inlet and outlet pipeline of the second plate type heat exchanger (9), a frequency conversion pump set (12) is connected on the secondary side inlet pipeline, a temperature sensor (11) is connected on the secondary side outlet pipeline, and the temperature sensor (11) is connected with a direct digital control device (14) through a signal line.
2. The air compressor dew point temperature control heat recovery safety energy-saving device as claimed in claim 1, wherein a primary side inlet and outlet pipeline of the first plate heat exchanger (7) is connected between a water outlet of the air compressor (6) and a water inlet of the cooling tower (1), and a Y-shaped filter (2), a main circulating pump (3), a check valve (4) and a screw valve (5) are sequentially installed between the water outlet of the cooling tower (1) and the water inlet of the air compressor (6).
3. The air compressor dew point temperature control heat recovery safety energy-saving device as claimed in claim 2, wherein the water inlet and the water outlet of the cooling tower (1) are respectively provided with an electromagnetic valve, and the connecting pipe of the water inlet and the water outlet of the cooling tower (1) is in short circuit through one electromagnetic valve; the primary side inlet pipeline and the primary side outlet pipeline of the first plate heat exchanger (7) are in short circuit through a solenoid valve.
4. The air compressor dew point temperature control heat recovery safety energy-saving device as claimed in claim 1, characterized in that an electric valve (10) is installed on the primary side water inlet pipeline of the second plate heat exchanger (9).
5. The air compressor dew point temperature control heat recovery safety energy-saving device as claimed in claim 1, characterized in that at least three branch pipelines are connected in parallel to the variable frequency pump set (12), each branch pipeline is provided with a frequency converter (1201) and a water pump (1202), wherein the water pump (1202) is connected with the direct digital control device (14) through a signal line.
6. The air compressor dew point temperature control heat recovery safety energy-saving device of claim 1, wherein secondary side inlet and outlet pipelines of the first plate heat exchanger (7) and the second plate heat exchanger (9) are connected to a hot water main pipe (13); the primary side inlet and outlet pipelines of the second plate heat exchanger (9) are connected to a standby heat source (8).
7. The air compressor dew point temperature control heat recovery safety energy-saving device as claimed in claim 1, characterized in that a set of electromagnetic valves is installed on the primary side water inlet of the first plate heat exchanger (7).
8. The air compressor dew point temperature control heat recovery safety energy-saving device of claim 1, wherein the primary side and the secondary side of the first plate heat exchanger (7) and the second plate heat exchanger (9) are provided with a pressure gauge, a temperature gauge and an electromagnetic valve at the water outlet respectively.
9. The air compressor dew point temperature control heat recovery safety energy-saving device as claimed in claim 1, wherein a temperature sensor (11) is installed on the secondary side water outlet of the second plate heat exchanger (9).
10. The air compressor dew point temperature control heat recovery safety energy-saving device as claimed in claim 1, wherein a temperature sensor (11) is respectively mounted at the near end and the far end of the secondary side water outlet pipe of the first plate heat exchanger (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457296.8U CN210036361U (en) | 2019-04-04 | 2019-04-04 | Air compressor dew point temperature control heat recovery safety energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457296.8U CN210036361U (en) | 2019-04-04 | 2019-04-04 | Air compressor dew point temperature control heat recovery safety energy-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210036361U true CN210036361U (en) | 2020-02-07 |
Family
ID=69357994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457296.8U Expired - Fee Related CN210036361U (en) | 2019-04-04 | 2019-04-04 | Air compressor dew point temperature control heat recovery safety energy-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210036361U (en) |
-
2019
- 2019-04-04 CN CN201920457296.8U patent/CN210036361U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Lingzhong Inventor after: Liu Xixun Inventor before: Liu Lingzhong Inventor before: Liu Xixun |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Building 1-3, No.36, Torch Road, hi tech Zone, Suzhou City, Jiangsu Province Patentee after: JONY MECHANICAL & ELECTRICAL ENGINEERING (SUZHOU) Co.,Ltd. Address before: Room 702, building 1, jinfengyuan, 1750 Binhe Road, Suzhou hi tech Zone, Suzhou, Jiangsu Patentee before: JONY MECHANICAL & ELECTRICAL ENGINEERING (SUZHOU) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |