CN217358157U - Pressure regulation and waste heat recovery utilize system - Google Patents
Pressure regulation and waste heat recovery utilize system Download PDFInfo
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- CN217358157U CN217358157U CN202220715693.2U CN202220715693U CN217358157U CN 217358157 U CN217358157 U CN 217358157U CN 202220715693 U CN202220715693 U CN 202220715693U CN 217358157 U CN217358157 U CN 217358157U
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Abstract
The utility model provides a pressure regulation and waste heat recovery system, which comprises an air compressor, a waste heat recovery unit, a cooling unit, a pressure regulation unit and a container; the air compressor is arranged at the starting end of the air conveying pipeline, the waste heat recycling unit and the cooling unit are sequentially arranged on the air conveying pipeline, and the tail end of the air conveying pipeline is connected with the pressure adjusting unit; the container is internally provided with an installation area for installing the air compressor, the waste heat recycling unit, the cooling unit and the pressure adjusting unit, so that the modular installation of the system is convenient to realize. The utility model discloses a set up air compressor machine, waste heat recovery unit, cooling unit and the equal integration of pressure regulating unit in the container, can debug in the production place, accomplish after the debugging alright carry out whole transportation and installation, reduce the time of field debugging, be convenient for realize the modularization installation of system.
Description
Technical Field
The utility model relates to a pressure regulating equipment technical field, concretely relates to pressure regulation and waste heat recovery utilize system.
Background
In plateau areas, due to low air pressure and cold climate, a pressure regulating system and a temperature regulating system need to be arranged inside a building, but installation and debugging need to be carried out on site during arrangement, the installation process is complicated, debugging personnel carry out debugging work outdoors for a long time, and adverse reactions such as plateau oxygen deficiency can occur. In addition, when building pressure adjustment is carried out, the air compressor is often adopted to convey compressed gas to the inside of the building so as to improve the air pressure inside the building, a large amount of heat can be generated in the operation process of the air compressor, the air transmission pipeline is cooled by cooling water, the cooling water is easy to vaporize in the cooling process, and the waste heat of the air compressor is not fully utilized, so that the energy recovery cannot be realized.
In view of the above, there is a need for a pressure regulation and waste heat recovery system to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure regulation and waste heat recovery utilize system to solve the loaded down with trivial details problem of pressure regulation system installation that current plateau building used.
In order to achieve the purpose, the utility model provides a pressure regulation and waste heat recovery system, which comprises an air compressor, a waste heat recovery unit, a cooling unit, a pressure regulation unit and a container; the air compressor is arranged at the starting end of the air conveying pipeline, the waste heat recycling unit and the cooling unit are sequentially arranged on the air conveying pipeline, and the tail end of the air conveying pipeline is connected with the pressure adjusting unit; the container is internally provided with an installation area for installing the air compressor, the waste heat recycling unit, the cooling unit and the pressure adjusting unit, so that the modular installation of the system is convenient to realize.
Preferably, the waste heat recycling unit comprises a first heat exchanger and a circulating oil path connected with the first heat exchanger, the gas transmission pipeline is connected with the first heat exchanger, and heat in the gas transmission pipeline is absorbed through the circulating oil path.
Preferably, the waste heat recycling unit further comprises a closed circulating pump, a heat exchange coil and a heat preservation water tank; the closed circulating pump and the heat exchange coil are both arranged on a circulating oil path; the heat exchange coil is positioned in the heat preservation water tank, and the heat preservation water tank is connected with the hot water supply pipeline.
Preferably, the waste heat recycling unit further comprises an oil supplementing branch connected with the circulating oil way, the oil supplementing branch comprises an oil tank and an expansion tank assembly, and the expansion tank assembly is connected between the oil tank and the circulating oil way.
Preferably, the cooling unit comprises a closed cooling tower, and a cooling fan is arranged on the closed cooling tower; and a spraying loop used for cooling the gas transmission pipeline is arranged in the closed cooling tower.
Preferably, the pressure regulating unit comprises electric regulating valves respectively arranged on an air inlet pipeline and an air outlet pipeline of the building, and the air inlet pipeline of the building is connected with the tail end of the air transmission pipeline; the pressure regulating unit further comprises a pressure sensor arranged inside the building; and the electric regulating valve and the pressure sensor are both connected with the controller.
Preferably, the pressure regulating unit is connected with the gas pipeline through a steam-water separator.
Preferably, the pressure regulating unit further includes an emergency exhaust device and a silencer provided on an outlet duct of the building.
Preferably, the emergency exhaust apparatus includes a safety valve provided on an air outlet duct of the building.
Preferably, a pressure sensor and a temperature sensor are arranged in the gas transmission pipeline, the waste heat recycling unit, the cooling unit and the pressure adjusting unit.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses in, through setting up air compressor machine, waste heat recovery unit, cooling unit and the equal integration of pressure regulating unit in the container, can debug in the production place, accomplish after the debugging alright carry out whole transportation and installation, reduce the time of field debugging, be convenient for realize the modularization installation of system.
(2) The utility model discloses in, through set up heat exchanger one in the waste heat recovery utilizes the unit and the circulation oil circuit of being connected with heat exchanger one, the gas transmission pipeline and the heat exchanger one of air compressor machine are connected, absorb the heat in the gas transmission pipeline through circulation oil circuit, and circulation oil circuit can not take place the vaporization because the boiling point is higher in the heat exchange process, can be used to reduce the vaporization of waste heat recovery in-process heat medium.
(3) The utility model discloses in, the heat exchange coil of waste heat recovery unit is located holding water box's inside, passes through heat exchange coil with the absorbed heat in the circulating oil circuit and transmits to inside the holding water box, makes the inside water of holding water box heat up to 60 ℃, and holding water box is connected with the hot water supply pipeline for realize the hot water supply in plateau area, realize the recycle of air compressor machine waste heat.
(4) The utility model discloses in, the expansion tank assembly is connected between oil tank and circulation oil circuit, and during the fluid entering expansion tank assembly that the oil tank flows, the expansion tank assembly provided the pressure of mending oil, and fluid in the compensation circulation oil circuit was revealed, absorbs the vibration that the closed circulating pump produced, can eliminate the system pulsation because of expend with heat and contract with cold brings.
(5) The utility model discloses in, can carry out the second grade cooling through waste heat recovery and utilize unit and cooling unit to the compressed gas of air compressor machine, make the compressed air temperature that gets into the building inside reach 20 ℃ -25 ℃.
(6) The utility model discloses in, accessible cooling fan carries out multiple cooling with the compressed air that sprays the return circuit in to the condenser pipe among the cooling unit, reinforcing cooling unit's cooling effect.
(7) The utility model discloses in, the steady voltage unit of building is constituteed to the electrical control valve and the controller on building inlet duct and the pipeline of giving vent to anger, makes the indoor pressure of building maintain a invariable pressure value scope (1 standard atmospheric pressure) all the time, and suitable personnel live in.
(8) In the utility model, the pressure adjusting unit also comprises an emergency exhaust device and a silencer which are arranged on the air outlet pipeline of the building; the silencers are arranged at the tail ends of the air outlet pipelines and are used for eliminating exhaust noise; the emergency exhaust device comprises an automatic exhaust device and a manual exhaust device, and the situation that the indoor pressure is too high is avoided.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a schematic diagram of a pressure regulation and waste heat recovery system according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a modular installation of a pressure regulation and waste heat recovery system according to an embodiment of the present application;
the system comprises an air compressor 1, a pressure sensor 2, a pressure sensor 3, a temperature sensor 4, a heat exchanger I, a heat exchanger 5, an oil tank 6, an expansion tank assembly 7, a valve 8, a heat preservation water tank 9, a closed circulating pump 10, a closed cooling tower 11, a cooling tower spray pump 12, a steam-water separator 13, a one-way valve 14, a hot water pump 15, a safety valve 16, an electromagnetic valve 17, a silencer 18, a controller 19, an electric regulating valve 20, a building 201, an automatic exhaust device 202, a pressure stabilizing unit 203, a display unit 204, a manual exhaust device 21, a heat exchange coil pipe 22, a cooling fan 23, a condenser pipe 24 and a container.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
referring to fig. 1 to 2, the embodiment of a pressure regulation and waste heat recovery system is applied to pressure regulation and waste heat recovery of an air compressor in a plateau pressure-bearing building.
A pressure regulation and waste heat recovery system comprises an air compressor 1, a waste heat recovery unit, a cooling unit, a pressure regulation unit and a container 24; the air compressor 1 is arranged at the starting end of the air conveying pipeline, the waste heat recycling unit and the cooling unit are sequentially arranged on the air conveying pipeline, and the tail end of the air conveying pipeline is connected with the pressure adjusting unit; the inside installation region that is used for installing air compressor machine 1, waste heat recovery utilize unit, cooling unit and pressure regulating unit that is equipped with of container 24, air compressor machine 1, waste heat recovery utilize unit, cooling unit and pressure regulating unit all integrate and set up in container 24, because this system sets up in outdoor, each unit of this system sets up in container 24, accomplish after the debugging at the producer and alright carry out whole transportation and installation, reduce the time of plateau district field debugging, be convenient for realize the modularization installation of system. In this embodiment, since the air compressor 1 has large vibration and noise during its operation, it is separately installed in one container 24, as shown in fig. 2.
The waste heat recycling unit comprises a heat exchanger I4 and a circulating oil way connected with the heat exchanger I4, the gas transmission pipeline is connected with the heat exchanger I4, and heat in the gas transmission pipeline of the air compressor 1 is absorbed through the circulating oil way. In the plateau low pressure environment, if use the circulation water route to carry out heat exchange, the boiling point is lower, takes place the vaporization easily in heat exchange process, and the circulation oil circuit of this application can not take place the vaporization in heat exchange process because the boiling point is higher (be higher than 110 ℃), can be used to reduce the vaporization of waste heat recovery in-process heat medium.
The waste heat recycling unit also comprises a closed circulating pump 9, a heat exchange coil 21 and a heat preservation water tank 8; closed circulating pump 9 and heat exchange coil 21 all set up on the circulating oil way, closed circulating pump 9 is used for providing power for the circulating oil way, heat exchange coil 21 is located holding water box 8's inside, passes through heat exchange coil 21 with the heat that absorbs in the circulating oil way and transmits to holding water box 8 inside, makes the inside water of holding water box 8 heat up to 60 ℃, holding water box 8 is connected with hot water supply pipeline for realize the hot water supply in plateau area, realize the recycle of air compressor machine 1 waste heat.
The waste heat recycling unit also comprises an oil supplementing branch connected with the circulating oil way, the oil supplementing branch comprises an oil tank 5 and an expansion tank assembly 6, and the expansion tank assembly 6 is connected between the oil tank 5 and the circulating oil way; during the fluid that oil tank 5 flowed out got into expansion tank assembly 6, expansion tank assembly 6 provided the pressure of mending oil, and fluid in the compensation circulation oil circuit is revealed, absorbs the vibration that closed circulating pump 9 produced, eliminates because of the system pulsation that expend with heat and contract with cold brought.
The waste heat recycling unit also comprises a valve 7 for realizing the opening and closing of the pipelines, so that the on-off of each pipeline can be controlled conveniently.
After the high-temperature gas output from the air compressor 1 is subjected to heat exchange by the waste heat recycling system, the gas temperature can be reduced by at least 50 ℃, if the high-temperature gas is input into the building 20, the gas temperature is higher than 25 ℃, the high-temperature gas does not belong to the comfortable temperature of human bodies, and is not beneficial to living of people in the plateau building 20, and the gas in the gas transmission pipeline is further cooled by the cooling unit.
The cooling unit comprises a closed cooling tower 10, a condensing pipe 23 used for being connected with a gas transmission pipeline is arranged in the closed cooling tower 10, a cooling fan 22 is arranged on the closed cooling tower 10 and located above the condensing pipe 23, and after the cooling fan 22 is started, gas in the condensing pipe 23 is cooled, the heat of the gas is continuously taken away, and the compressed air output by the air compressor 1 is cooled; the inside spraying return circuit that is used for carrying out the cooling to air compressor 1 gas transmission pipeline that is equipped with of closed cooling tower 10, if can not reach the cooling effect of expectation (promptly the compressed air temperature after the cooling is between 20 ℃ to 25 ℃), open the cooling tower spray pump 11 that sprays in the return circuit, the water that cooling tower spray pump 11 sent out evenly falls on condenser pipe 23, produces the evaporation, takes away more heats, cooling unit can be with compressed air cooling to about 25 ℃ always.
In the embodiment, the heat preservation water tank 8 and the cooling water tank of the closed cooling tower 10 are both connected with a water supplementing device for supplementing cold water in the heat preservation water tank 8 and the cooling water tank; a check valve 13 is arranged in the water replenishing device of the heat preservation water tank 8, so that water in the heat preservation water tank 8 is prevented from flowing into a cold water pipeline.
The pressure regulating unit is connected with the gas transmission pipeline through the steam-water separator 12, compressed air cooled by the cooling unit flows to the pressure regulating unit after moisture is absorbed by the steam-water separator 12, the pressure regulating unit is used for regulating the air pressure inside the building 20, and ensuring that the indoor air pressure is stabilized at 1 standard atmospheric pressure and the indoor temperature is less than 30 ℃, so that the atmospheric environment inside the plateau building 20 is basically consistent with that of a plain area, and people living indoors do not have altitude anoxia reaction.
The pressure regulating unit comprises an electric regulating valve 19 which is respectively arranged on an air inlet pipeline and an air outlet pipeline of a building 20, and the air inlet pipeline of the building 20 is connected with the tail end of the air transmission pipeline; the pressure regulating unit further comprises a pressure sensor 2 arranged inside the building 20; the electric control valve 19 and the pressure sensor 2 are both connected with the controller 18, the pressure sensor 2 is used for detecting pressure signals inside the building 20 and feeding the pressure signals back to the controller 18, the pressure signals are compared with set pressure, the electric control valves 19 on the air inlet pipeline and the air outlet pipeline are adjusted through the controller 18, the electric control valves 19 control air inlet volume and air outlet volume through fine adjustment of the opening degree of the valve ports, and therefore the indoor pressure of the building 20 is guaranteed to be always maintained within a constant pressure value range. In this embodiment, the electric control valve 19 and the controller 18 on the air inlet pipeline and the air outlet pipeline of the building 20 constitute a pressure stabilizing unit 202 of the building 20.
The pressure regulating unit further comprises an emergency exhaust device and a silencer 17 arranged on the air outlet duct of the building 20; the silencer 17 is provided at the end of each of the outlet pipes for eliminating exhaust noise. In the present application, the emergency exhaust means includes an automatic exhaust means 201 and a manual exhaust means 204; the automatic exhaust device 201 is provided with a safety valve 15, in this embodiment, the safety valve is an overflow valve and is arranged on an air outlet pipeline of the building 20, so as to prevent the air pressure inside the building 20 from exceeding a set pressure value of the safety valve 15; the automatic air discharging device 201 also includes an electromagnetic valve 16 installed in each room for discharging air from the building 20. The manual exhaust device 204 includes an indoor manual exhaust valve and an outdoor manual exhaust valve, and the emergency of the excessive pressure inside the building 20 is manually released when the automatic exhaust device 201 and/or the electric control valve 19 fail.
And the gas transmission pipeline, the waste heat recycling unit, the cooling unit and the pressure adjusting unit are respectively provided with a pressure sensor 2 and a temperature sensor 3 which are respectively used for measuring the pressure and the temperature in each unit. For example, the pressure sensor 2 and the temperature sensor 3 in the pressure regulating unit are both disposed on the building 20, and constitute a display unit 203 for the pressure and the temperature inside the building 20, so as to facilitate the real-time understanding of the air pressure and the temperature inside the building 20.
The use method of the pressure regulation and waste heat recovery system comprises the following steps: starting the air compressor 1, enabling compressed air generated by the air compressor 1 to flow into a first heat exchanger 4 of the waste heat recovery and utilization unit through an air delivery pipeline and exchange heat with a circulating oil way, and transferring the heat in the circulating oil way into a heat-preservation water tank 8 through a heat exchange coil 21 to enable water in the heat-preservation water tank 8 to be heated to 60 ℃ so as to supply hot water for residents in plateau areas, wherein the temperature of the compressed air in the air delivery pipeline is reduced by at least 50 ℃;
if the temperature of the compressed air is higher than 25 ℃, when the compressed air flows into the cooling unit, starting a cooling fan 22 in the closed cooling tower 10 to cool the compressed air flowing into a condensation pipe 23 of the closed cooling tower 10, and if the cooling fan 22 is started alone and cannot achieve the expected cooling effect, starting a cooling tower spray pump 11 in the closed cooling tower 10 to further cool the condensation pipe 23 until the temperature of the compressed air is cooled to 20-25 ℃;
the cooled compressed air flows into a pressure regulating unit of a building 20 through a steam-water separator 12, and a controller 18 regulates the opening of an electric regulating valve 19 according to a pressure signal of a pressure sensor 2 on the building 20, so that the indoor pressure of the building 20 is stabilized at 1 standard atmospheric pressure, the indoor temperature is less than 30 ℃, the internal atmospheric environment of the plateau building 20 is basically consistent with that of a plain area, and people living in the room do not have altitude anoxia reaction.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pressure regulation and waste heat recovery system is characterized by comprising an air compressor (1), a waste heat recovery unit, a cooling unit, a pressure regulation unit and a container (24); the air compressor (1) is arranged at the initial end of the air conveying pipeline, the waste heat recycling unit and the cooling unit are sequentially arranged on the air conveying pipeline, and the tail end of the air conveying pipeline is connected with the pressure adjusting unit; the container (24) is internally provided with an installation area for installing the air compressor (1), the waste heat recycling unit, the cooling unit and the pressure adjusting unit, so that the modular installation of the system is convenient to realize.
2. The system for pressure adjustment and waste heat recovery and utilization as claimed in claim 1, wherein the waste heat recovery and utilization unit comprises a first heat exchanger (4) and a circulating oil path connected with the first heat exchanger (4), the gas transmission pipeline is connected with the first heat exchanger (4), and heat in the gas transmission pipeline is absorbed through the circulating oil path.
3. The system for pressure regulation and waste heat recovery according to claim 2, wherein the waste heat recovery unit further comprises a closed circulation pump (9), a heat exchange coil (21) and a heat preservation water tank (8); the closed circulating pump (9) and the heat exchange coil (21) are both arranged on a circulating oil path; the heat exchange coil (21) is positioned inside the heat preservation water tank (8), and the heat preservation water tank (8) is connected with a hot water supply pipeline.
4. A pressure regulating and waste heat recycling system according to claim 2 or 3, characterized in that the waste heat recycling unit further comprises an oil supply branch connected with the circulation oil circuit, the oil supply branch comprises an oil tank (5) and an expansion tank assembly (6), and the expansion tank assembly (6) is connected between the oil tank (5) and the circulation oil circuit.
5. The system for pressure regulation and waste heat recovery according to claim 1, wherein the cooling unit comprises a closed cooling tower (10), and a cooling fan (22) is arranged on the closed cooling tower (10); and a spraying loop used for cooling the gas transmission pipeline is arranged in the closed cooling tower (10).
6. The system for pressure regulation and waste heat recovery according to claim 1, wherein the pressure regulation unit comprises electric regulating valves (19) respectively arranged on an air inlet pipeline and an air outlet pipeline of the building (20), and the air inlet pipeline of the building (20) is connected with the tail end of the air pipeline; the pressure regulating unit further comprises a pressure sensor (2) arranged inside the building (20); the electric regulating valve (19) and the pressure sensor (2) are both connected with the controller (18).
7. The system for pressure regulation and waste heat recovery according to claim 6, wherein the pressure regulation unit is connected to the gas transmission pipeline through a steam-water separator (12).
8. A pressure regulating and waste heat recycling system according to claim 6, characterized in that the pressure regulating unit further comprises an emergency exhaust and a silencer (17) arranged on the outlet duct of the building (20).
9. A pressure regulating and waste heat recycling system according to claim 8, characterized in that the emergency evacuation means comprises a safety valve (15) arranged on the air outlet duct of the building (20).
10. The system for pressure regulation and waste heat recovery and utilization according to claim 1, wherein the gas transmission pipeline, the waste heat recovery and utilization unit, the cooling unit and the pressure regulation unit are all provided with a pressure sensor (2) and a temperature sensor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220715693.2U CN217358157U (en) | 2022-03-29 | 2022-03-29 | Pressure regulation and waste heat recovery utilize system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220715693.2U CN217358157U (en) | 2022-03-29 | 2022-03-29 | Pressure regulation and waste heat recovery utilize system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217358157U true CN217358157U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220715693.2U Active CN217358157U (en) | 2022-03-29 | 2022-03-29 | Pressure regulation and waste heat recovery utilize system |
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| Country | Link |
|---|---|
| CN (1) | CN217358157U (en) |
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2022
- 2022-03-29 CN CN202220715693.2U patent/CN217358157U/en active Active
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