CN214332654U

CN214332654U - Mechanical compression steam-making system

Info

Publication number: CN214332654U
Application number: CN202120553880.0U
Authority: CN
Inventors: 张振
Original assignee: Shanghai Diguang Electromechanical Engineering Technology Co ltd
Current assignee: Shanghai Diguang Electromechanical Engineering Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-10-01
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to a mechanical compression system of making vapour belongs to the technical field of steam production, and it includes heat pump, heat exchanger, flash tank, evacuating device, compressor and water delivery device, first import, first export, second import and second export have been seted up on the heat exchanger, the first import intercommunication of heat pump export and heat exchanger, the import of heat pump and the first export intercommunication of heat exchanger, the second import intercommunication of water delivery device and heat exchanger for provide the soft water in to the heat exchanger, the second export of heat exchanger and the import intercommunication of flash tank, the import intercommunication of compressor has the steam conduit, steam conduit and the inside intercommunication of flash tank, evacuating device and the inside intercommunication of flash tank for the air in the extraction flash tank to control the vacuum in the flash tank. Because the required electric capacity of the system is small, the system can meet the production requirements of most enterprises on steam.

Description

Mechanical compression steam-making system

Technical Field

The application relates to the field of steam production, in particular to a mechanical compression steam-making system.

Background

At present, steam is widely applied to industrial production and daily life as a heat carrier.

In the related art, an electric boiler is generally used to produce steam.

In the related art, the inventor believes that the electric power consumption of the electric boiler for producing one ton of steam is 600-.

SUMMERY OF THE UTILITY MODEL

In order to satisfy the demand of most enterprises production steam, this application provides a mechanical compression system of making vapour.

The application provides a mechanical compression system vapour system adopts following technical scheme:

the utility model provides a mechanical compression system of making vapour, includes heat pump, heat exchanger, flash tank, evacuating device, compressor and water delivery device, first import, first export, second import and second export have been seted up on the heat exchanger, the first import intercommunication of heat pump export and heat exchanger, the import of heat pump and the first export intercommunication of heat exchanger, the second import intercommunication of water delivery device and heat exchanger for provide soft water in to the heat exchanger, the second export of heat exchanger and the import intercommunication of flash tank, the import intercommunication of compressor has the steam conduit, the inside intercommunication of steam conduit and flash tank, evacuating device and flash tank for the air in the extraction flash tank to the vacuum in the control flash tank.

Through adopting above-mentioned technical scheme, in operation, in the hot water entering heat exchanger that the heat pump produced, water delivery device carries soft water to the heat exchanger in, evacuating device carries out the evacuation to the flash tank, make the pressure reduction in the flash tank, soft water in the heat exchanger through with hydrothermal heat transfer back, get into in the flash tank, under the low pressure state of flash tank, partly becomes flash steam, then get into in the compressor, discharge after the compression of compressor, thereby reach the required steam of production, because the required capacitance of this system is less, consequently, can satisfy the production demand of most enterprises to steam through this system.

Optionally, the water delivery device includes a water replenishing pump and a circulating pump, an inlet of the water replenishing pump is communicated with an external water source, an outlet of the water replenishing pump is communicated with the inside of the flash tank, an inlet of the circulating pump is communicated with the inside of the flash tank, and an outlet of the circulating pump is communicated with a second inlet of the heat exchanger.

Through adopting above-mentioned technical scheme, soft water in the external water source is taken out to the flash tank in through the moisturizing pump, and the circulating pump makes the soft water in the flash tank recycle in heat exchanger and flash tank to reduce the pressure drop in the flash tank.

Optionally, the export intercommunication of moisturizing pump has soft water governing valve, soft water governing valve and the inside intercommunication of flash tank, be fixed with soft water liquid level transmitter in the flash tank, soft water liquid level transmitter electricity is connected with soft water liquid level display controller, soft water liquid level display controller is connected with soft water governing valve electricity.

Through adopting above-mentioned technical scheme, when soft water liquid level transmitter detected soft water liquid level in the flash tank lower, send the signal of telecommunication to soft water liquid level display controller, then soft water liquid level display controller receives behind the signal of telecommunication, confirms and measures the difference between liquid level and the initial value in the flash tank, then sends the signal of telecommunication to soft water governing valve, and after soft water governing valve received the signal of telecommunication, the flow that the regulation got into soft water in the flash tank to make the liquid level of soft water in the flash tank reach the initial value.

Optionally, the vacuumizing device comprises a vacuum pump, a condenser and a water tank, wherein an inlet of the vacuum pump is communicated with the inside of the water tank, an outlet of the condenser is communicated with the inside of the water tank, and an inlet of the condenser is communicated with the inside of the flash tank.

Through adopting above-mentioned technical scheme, the during operation, after pressure in the flash tank is higher than the default, start the vacuum pump, the vacuum pump carries out evacuation processing in to the flash tank, and flash tank can be taken out to some steam, then gets into the interior condensation of condenser, and the liquid after the condensation gets into and stores in the water pitcher to make the vacuum pump at the during operation, can reduce unnecessary waste of resource.

Optionally, install drainage liquid level changer in the water pitcher, drainage liquid level changer electricity is connected with drainage liquid level display controller, the intercommunication has the drainage governing valve on the water pitcher, the drainage governing valve communicates with the import of moisturizing pump, drainage liquid level display controller is connected with the drainage governing valve electricity.

Through adopting above-mentioned technical scheme, when drainage liquid level transmitter detected the water level in the water pitcher higher, send the signal of telecommunication to drainage liquid level display controller, then behind drainage liquid level display controller received the signal of telecommunication, confirm and measure the difference between liquid level and the initial value in the water pitcher, then send the signal of telecommunication to the drainage governing valve, behind the signal of telecommunication was received to the drainage governing valve, the discharge amount of adjusting water pitcher water-logging to make the liquid level of water pitcher water-logging reach the initial value.

Optionally, an inlet of the vacuum pump is communicated with a lifting check valve, and the lifting check valve is communicated with the inside of the water tank.

Through adopting above-mentioned technical scheme, the purpose that sets up lift check valve is, prevents that the vacuum pump after the shutdown, in the air backward flow to the flash tank.

Optionally, the inlet of the heat pump and the outlet of the heat pump are both communicated with a hot water regulating valve, one is communicated with the first inlet of the heat exchanger, the other is communicated with the first outlet of the heat exchanger, a flash evaporation temperature sensor is installed in the flash evaporation tank, the outlet of the compressor is communicated with a flow meter, and the hot water regulating valve is electrically connected with the flash evaporation temperature sensor and the flow meter.

Through adopting above-mentioned technical scheme, when the flow that the temperature in the flash tank was lower and the flowmeter detected compressor discharge steam is less detected to flash vaporization temperature sensor, send the signal of telecommunication to hot water governing valve, after the signal of telecommunication was received to the hot water governing valve for the hot water's of output flow increase of heat pump.

Optionally, the first inlet of the heat exchanger is communicated with a waste heat inlet pipe, and the first outlet of the heat exchanger is communicated with a waste heat outlet pipe.

By adopting the technical scheme, some manufacturers can generate waste heat, so that the waste heat enters the heat exchanger to replace part of hot water and exchange heat with soft water in order to recycle the waste heat, and the waste of resources is reduced.

Optionally, the waste heat inlet pipe and the waste heat outlet pipe are both communicated with a waste heat regulating valve.

By adopting the technical scheme, the waste heat regulating valve is arranged to control the flow of waste heat entering the heat exchanger and the flow of waste heat discharged from the heat exchanger.

Optionally, a steam temperature sensor is installed at the outlet of the compressor, the steam temperature sensor is electrically connected with a spray regulating valve, the inlet of the spray regulating valve is communicated with the outlet of the water replenishing pump, and the outlet of the spray regulating valve is communicated with a steam pipeline.

Through adopting above-mentioned technical scheme, when steam temperature sensor detected in the compressor exhaust steam overheated, steam temperature sensor sent the signal of telecommunication to spraying the governing valve, sprayed behind the governing valve receipt signal of telecommunication for partly entering into steam conduit of the soft water in the flash tank, thereby cooling down steam.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the heat pump, the heat exchanger, the flash tank, the vacuumizing device and the compressor are arranged, the heat pump provides hot water into the heat exchanger, the water delivery device delivers soft water into the heat exchanger, the vacuumizing device vacuumizes the flash tank, the soft water and the hot water exchange heat and then enter the flash tank, one part of the soft water is changed into flash steam in a low-pressure state of the flash tank, and then the flash steam enters the compressor and is compressed by the compressor and then discharged, so that steam required by production is achieved, and the required capacitance of the system is small, so that the production requirements of most enterprises on the steam can be met;

2. the waste heat inlet pipe and the waste heat outlet pipe are arranged for reducing the output quantity of hot water, and then the waste heat generated by some manufacturers is utilized to exchange heat with the soft water in the heat exchanger, so that a part of hot water is replaced, and the waste of resources is reduced;

3. the purpose of setting up steam temperature sensor and spraying the governing valve is that, when steam temperature sensor detected in the compressor exhaust steam overheated, steam temperature sensor sent the signal to spraying the governing valve to make partly entering into the steam conduit of the soft water in the flash tank, thereby cooled down steam.

Drawings

Fig. 1 is an overall flowchart of an embodiment of the present application.

Fig. 2 is a flow chart showing the connection between the heat pump and the heat exchanger.

Fig. 3 is a flow diagram showing the connection between the water transfer device and the flash tank.

Fig. 4 is a flowchart showing a structure on the compressor.

Fig. 5 is an overall flowchart of the vacuum evacuation apparatus.

Description of reference numerals: 100. a heat pump; 110. a heat supply pipeline; 111. a hot water regulating valve; 200. a heat exchanger; 210. a waste heat inlet pipe; 220. a waste heat outlet pipe; 230. a waste heat regulating valve; 300. a flash tank; 310. a steam channel; 320. a soft water level transmitter; 330. soft water level display controller; 340. a pressure gauge; 400. a vacuum pumping device; 410. a vacuum pump; 420. an air suction inlet pipe; 421. a condenser; 423. an air extraction ball valve; 424. a lift check valve; 430. an air exhaust pipe; 440. a water tank; 441. a drain pipe; 442. a drain regulating valve; 443. a drain ball valve; 444. a drainage liquid level transmitter; 445. a drain level display controller; 500. a compressor; 510. an exhaust pipe; 511. a steam temperature sensor; 512. a safety valve; 520. a steam line; 600. a water delivery device; 610. a water replenishing pump; 620. a circulation pump; 630. a water supply pipeline; 631. a soft water regulating valve; 632. a soft water ball valve; 633. a spray pipe; 634. and (4) spraying and regulating valves.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses mechanical compression system of making vapour.

Referring to fig. 1, the mechanical compression steam-making system comprises a heat pump 100, a heat exchanger 200, a flash tank 300, a vacuum-pumping device 400, a compressor 500 and a water delivery device 600, wherein the outlet and the inlet of the heat pump 100 are communicated with a heat supply pipeline 110. The heat exchanger 200 is provided with a first inlet, a second inlet, a first outlet and a second outlet, the heat supply pipeline 110 at the outlet of the heat pump 100 is communicated with the first inlet, and the heat supply pipeline 110 at the inlet of the heat pump 100 is communicated with the first outlet. The water delivery device 600 is communicated with the second inlet for delivering the soft water in the external water source to the heat exchanger 200, and the second outlet is communicated with the inlet of the flash tank 300. The flash tank 300 is communicated with a steam pipeline 520, the steam pipeline 520 is communicated with an inlet of the compressor 500, and an outlet of the compressor 500 is communicated with an exhaust pipe 510. The vacuum extractor 400 is in communication with the interior of the flash tank 300 for extracting air from the flash tank 300 to control the vacuum level within the flash tank 300.

Referring to fig. 2, the heat supply pipeline 110 is connected to a hot water regulating valve 111 near the inlet and outlet of the heat pump 100 to regulate the flow of hot water entering the heat exchanger 200.

A waste heat inlet pipe 210 is communicated with a first inlet of the heat exchanger 200, a waste heat outlet pipe 220 is communicated with a first outlet of the heat exchanger 200, and a waste heat regulating valve 230 is communicated with both the waste heat inlet pipe 210 and the waste heat outlet pipe 220 for regulating the inlet amount and the outlet amount of waste heat.

In one embodiment, the waste heat inlet pipe 210 and the waste heat outlet pipe 220 can both communicate with the heat supply pipeline 110, so that relatively clean waste heat can enter the heat pump 100 along with hot water.

In another embodiment, neither the waste heat inlet pipe 210 nor the waste heat outlet pipe 220 is communicated with the heat supply pipeline 110, and the waste heat flows in the heat exchanger 200 alone, so that the waste heat with more impurities can be discharged from the waste heat outlet pipe 220 without affecting the heat pump 100.

Referring to fig. 3, the water delivery device 600 includes a water replenishing pump 610 and a circulation pump 620, an inlet of the circulation pump 620 communicates with the inside of the flash tank 300, and an outlet of the circulation pump 620 communicates with a second inlet of the heat exchanger 200. The inlet of the water replenishing pump 610 is communicated with an external water source, which may be a container such as a pool in which soft water is stored. The outlet of the make-up water pump 610 is connected to a water supply pipe 630, and the water supply pipe 630 is communicated with the inside of the flash tank 300. A soft water regulating valve 631 is connected to the water supply pipe 630, and the soft water regulating valve 631 is used for controlling the flow of soft water in the water supply pipe 630. The water supply pipeline 630 is communicated with a soft water ball valve 632, and the soft water ball valve 632 is arranged between the soft water regulating valve 631 and the flash tank 300 and used for controlling the on-off of the water supply pipeline 630.

The soft water level transmitter 320 is installed in the flash tank 300, the soft water level transmitter 320 is electrically connected with the soft water level display controller 330, and the soft water level display controller 330 is electrically connected with the soft water regulating valve 631. When the soft water level transmitter 320 detects that the level of the soft water in the flash tank 300 is low, an electric signal is sent to the soft water level display controller 330, then the soft water level display controller 330 determines and measures the difference value between the level and the initial value in the flash tank 300, and then an electric signal is sent to the soft water regulating valve 631, after the electric signal is received by the soft water regulating valve 631, the flow of the soft water entering the flash tank 300 is regulated, so that the level of the soft water in the flash tank 300 reaches the initial value.

The flash tank 300 is provided with a pressure gauge 340 for indicating the pressure inside the flash tank 300. A flash temperature sensor (not shown) is further installed in the flash tank 300, and the flash temperature sensor is electrically connected to the hot water regulating valve 111 (see fig. 2) to detect the temperature in the flash tank 300 and then control the movement of the hot water regulating valve 111.

Referring to fig. 4, a steam temperature sensor 511 is installed on the exhaust pipe 510, a spray pipe 633 is connected to the water supply pipe 630, and the spray pipe 633 is connected to the steam pipe 520 near the inlet of the compressor 500. A spray regulating valve 634 is communicated with the spray pipe 633, and the steam temperature sensor 511 is electrically connected with the spray regulating valve 634 to detect the steam temperature and then control the movement of the spray regulating valve 634.

Also installed in the exhaust pipe 510 is a flow meter (not shown) electrically connected to the hot water adjustment valve 111 (see fig. 2) for detecting the amount of discharged steam and then controlling the movement of the hot water adjustment valve 111.

The outlet of the exhaust pipe 510 is also connected with a safety valve 512 for protecting the exhaust pipe 510 and preventing the pressure in the exhaust pipe 510 from exceeding its bearing value.

Referring to fig. 5, the vacuum pumping device 400 includes a vacuum pump 410, an inlet of the vacuum pump 410 is connected to an inlet pumping pipe 420, the inlet pumping pipe 420 is connected to the inside of the flash tank 300, and an outlet of the vacuum pump 410 is connected to an outlet pumping pipe 430. The air intake pipe 420 is connected to an air intake ball valve 423 for controlling the on/off of the air intake pipe 420. The air intake pipe 420 is communicated with a condenser 421 and a water tank 440, the condenser 421 is arranged between the air-extracting ball valve 423 and the vacuum pump 410, and the water tank 440 is arranged between the condenser 421 and the vacuum pump 410.

The air inlet pipe 420 is connected to a pressure gauge 340, and the pressure gauge 340 is disposed between the water tank 440 and the vacuum pump 410 for indicating the pressure in the air inlet pipe 420. The air inlet pipe 420 is also communicated with a safety valve 512, and the safety valve 512 is arranged between the pressure gauge 340 and the vacuum pump 410 to protect the air inlet pipe 420 and prevent the pressure in the air inlet pipe 420 from exceeding the bearing value.

The air inlet pipe 420 is also communicated with a lifting check valve 424, and the lifting check valve 424 is arranged between the vacuum pump 410 and the safety valve 512, so that the air in the flash tank 300 can be prevented from flowing backwards after the vacuum pump 410 stops working.

The water tank 440 is internally communicated with a drain pipe 441, and the drain pipe 441 is communicated with an inlet of the water replenishing pump 610. The drain pipe 441 is communicated with a drain regulating valve 442 for controlling the flow rate of the water discharged from the drain pipe 441. The drain pipe 441 is communicated with a drain ball valve 443, and the drain ball valve 443 is arranged between the drain regulating valve 442 and the water replenishing pump 610 and used for controlling the on-off of the drain pipe 441.

A drain liquid level transmitter 444 is installed in the water tank 440, the drain liquid level transmitter 444 is electrically connected with a drain liquid level display controller 445, and the drain liquid level display controller 445 is electrically connected with the drain regulating valve 442. When the drainage level transmitter 444 detects that the level of the water in the water tank 440 is high, an electric signal is sent to the drainage level display controller 445, then the drainage level display controller 445 determines and measures the difference value between the level of the water in the water tank 440 and an initial value, and then an electric signal is sent to the drainage regulating valve 442, and after the drainage regulating valve 442 receives the electric signal, the discharge amount of the water in the water tank 440 is regulated, so that the level of the water in the water tank 440 reaches the initial value.

The implementation principle of a mechanical compression steam-making system in the embodiment of the application is as follows: during operation, the vacuum pump 410 is started, and the vacuum pump 410 pumps air in the flash tank 300, so that the interior of the flash tank 300 is in a low-pressure state;

then starting the water replenishing pump 610, the circulating pump 620 and the heat pump 100, wherein the water replenishing pump 610 conveys soft water in an external water source into the flash tank 300, then the circulating pump 620 pumps the soft water in the flash tank 300 into the heat exchanger 200, the heat pump 100 conveys hot water into the heat exchanger 200, and the soft water and the hot water are subjected to heat exchange and then enter the flash tank 300 to become flash steam;

the flash steam enters the compressor 500 through a steam pipeline, and is discharged after being compressed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mechanical compression system vapour which characterized in that: including heat pump (100), heat exchanger (200), flash tank (300), evacuating device (400), compressor (500) and water delivery device (600), first import, first export, second import and second export have been seted up on heat exchanger (200), the first import intercommunication of heat pump (100) export and heat exchanger (200), the import of heat pump (100) and the first export intercommunication of heat exchanger (200), water delivery device (600) and the second import intercommunication of heat exchanger (200) for provide soft water in to heat exchanger (200), the second export of heat exchanger (200) and the import intercommunication of flash tank (300), the import intercommunication of compressor (500) has steam conduit (520), steam conduit (520) and flash tank (300) inside intercommunication, evacuating device (400) and flash tank (300) inside intercommunication, for drawing air within the flash tank (300) to control the vacuum within the flash tank (300).

2. The mechanical compression steam generating system of claim 1, wherein: the water delivery device (600) comprises a water replenishing pump (610) and a circulating pump (620), wherein an inlet of the water replenishing pump (610) is communicated with an external water source, an outlet of the water replenishing pump (610) is communicated with the inside of the flash tank (300), an inlet of the circulating pump (620) is communicated with the inside of the flash tank (300), and an outlet of the circulating pump (620) is communicated with a second inlet of the heat exchanger (200).

3. A mechanical compression steam generating system according to claim 2, wherein: the export intercommunication of moisturizing pump (610) has soft water governing valve (631), soft water governing valve (631) and flash tank (300) inside intercommunication, flash tank (300) internal fixation has soft water liquid level transmitter (320), soft water liquid level transmitter (320) electricity is connected with soft water liquid level display controller (330), soft water liquid level display controller (330) is connected with soft water governing valve (631) electricity.

4. The mechanical compression steam generating system of claim 1, wherein: the vacuumizing device (400) comprises a vacuum pump (410), a condenser (421) and a water tank (440), wherein an inlet of the vacuum pump (410) is communicated with the inside of the water tank (440), an outlet of the condenser (421) is communicated with the inside of the water tank (440), and an inlet of the condenser (421) is communicated with the inside of the flash tank (300).

5. The mechanical compression steam generating system of claim 4, wherein: install drainage liquid level transmitter (444) in water pitcher (440), drainage liquid level transmitter (444) electricity is connected with drainage liquid level display controller (445), the intercommunication has drainage governing valve (442) on water pitcher (440), drainage governing valve (442) and the import intercommunication of moisturizing pump (610), drainage liquid level display controller (445) are connected with drainage governing valve (442) electricity.

6. The mechanical compression steam generating system of claim 5, wherein: the inlet of the vacuum pump (410) is communicated with a lifting check valve (424), and the lifting check valve (424) is communicated with the interior of the water tank (440).

7. A mechanical compression steam generating system according to any one of claims 1 to 6, wherein: the inlet of the heat pump (100) and the outlet of the heat pump (100) are communicated with a hot water regulating valve (111), one hot water regulating valve (111) is communicated with a first inlet of the heat exchanger (200), the other hot water regulating valve (111) is communicated with a first outlet of the heat exchanger (200), a flash evaporation temperature sensor is installed in the flash tank (300), the outlet of the compressor (500) is communicated with a flow meter, and the hot water regulating valve (111) is electrically connected with the flash evaporation temperature sensor and the flow meter.

8. The mechanical compression steam generating system of claim 7, wherein: a first inlet of the heat exchanger (200) is communicated with a waste heat inlet pipe (210), and a first outlet of the heat exchanger (200) is communicated with a waste heat outlet pipe (220).

9. The mechanical compression steam generating system of claim 8, wherein: the waste heat inlet pipe (210) and the waste heat outlet pipe (220) are both communicated with a waste heat regulating valve (230).

10. The mechanical compression steam generating system of claim 1, wherein: the steam temperature sensor (511) is installed to compressor (500) export, steam temperature sensor (511) electricity is connected with sprays governing valve (634), the import of spraying governing valve (634) communicates with the export of moisturizing pump (610), the export and the steam conduit (520) of spraying governing valve (634) communicate.