CN220276335U - System of composite steam jet vacuum pump unit utilizing green energy - Google Patents
System of composite steam jet vacuum pump unit utilizing green energy Download PDFInfo
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- CN220276335U CN220276335U CN202320466838.4U CN202320466838U CN220276335U CN 220276335 U CN220276335 U CN 220276335U CN 202320466838 U CN202320466838 U CN 202320466838U CN 220276335 U CN220276335 U CN 220276335U
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- 239000002131 composite material Substances 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000000498 cooling water Substances 0.000 claims abstract description 31
- 239000008239 natural water Substances 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001603 reducing effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 46
- 238000000034 method Methods 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses a system of a composite steam jet vacuum pump unit utilizing green energy, which comprises: the device comprises a vacuum crystallizer, a first condenser, a second jet pump, a third condenser and a cooling water system, wherein the first condenser is used for condensing and unloading the condensable gas in the mixed gas in the vacuum crystallizer, the mixed gas inlet of the second jet pump is communicated with a primary side outlet of the first condenser, the second condenser is used for condensing and unloading the condensable gas in the mixed gas pumped by the second jet pump and fed into the second jet pump, the mixed gas inlet of the third jet pump is communicated with a primary side outlet of the second condenser, the third condenser is used for condensing and unloading the condensable gas in the mixed gas pumped by the third jet pump and fed into the third jet pump, and the cooling water system is a natural water source, a cooling tower or refrigerating equipment and the water supply temperature is 1.0-15.0 degrees; the utility model can utilize natural water source to achieve the effect of reducing steam consumption, reduce cost and save 85-90% of steam at most under the condition of low temperature of 1.0-15.0 ℃.
Description
Technical Field
The utility model belongs to the field of vacuum crystallization, and particularly relates to a system of a composite steam jet vacuum pump unit utilizing green energy.
Background
The existing vacuum crystallization process utilizes the principle of liquid boiling point reduction under vacuum condition to evaporate, concentrate, cool and crystallize the liquid to be purified so as to achieve the effect of stably producing industrial products. In this system the jet pump system is a determinant of the production.
The jet pump system consumes a large amount of steam and cooling water, the operation cost is high, the setting of the condenser is related to the temperature of condensed water and the partial pressure of the steam in the exhaust gas of the jet pump, so the partial pressure of the steam in the mixed gas is larger than the saturation pressure corresponding to the water inlet temperature of the condenser.
In summer, the temperature of the condensed water of the condenser reaches about 38 ℃, so that the temperature of the cooling water is too high, a large amount of secondary steam cannot be condensed in time, the vacuum degree of the vacuum crystallizer is reduced and unstable, and the quality and the yield of products are affected. Therefore, novel vacuum pumps are urgently needed to reduce the consumption of steam and cooling water and the running cost, overcome the interference of high water temperature in summer and improve the quality and the yield of products.
Disclosure of Invention
The utility model aims to provide a system of a composite type steam jet vacuum pump unit utilizing green energy, which solves the problems of high steam consumption of a vacuum pump and high water temperature interference caused by high water temperature in summer.
The utility model adopts the following technical scheme: a system of a compound type steam jet vacuum pump unit using green energy, comprising:
the vacuum crystallizer is provided with an air outlet, the materials to be purified are stored in the vacuum crystallizer,
a first condenser having a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet for condensing and discharging a condensable gas in the mixed gas in the vacuum crystallizer,
the primary side inlet is communicated with the air outlet of the vacuum crystallizer through a pipeline,
the secondary side inlet is communicated with a cooling water system through a pipeline,
a second jet pump having a water vapor port, a mixed gas inlet, and a mixed gas outlet, wherein the water vapor port is connected to the outlet of the vapor system, the mixed gas inlet is connected to the primary side outlet of the first condenser,
a second condenser having a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet for condensing and discharging the condensable gas in the mixed gas pumped by the second jet pump and fed therein,
the primary side inlet of the air-fuel mixture injection device is communicated with the mixed gas outlet of the second injection pump through a pipeline,
the secondary side inlet is communicated with a cooling water system through a pipeline,
a third jet pump having a water vapor port, a mixed gas inlet, and a mixed gas outlet, wherein the water vapor port is connected to the outlet of the vapor system, the mixed gas inlet is connected to the primary side outlet of the second condenser,
a third condenser having a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet for condensing and discharging the condensable gas in the mixed gas pumped by the third jet pump and fed therein,
the primary side inlet of the air-fuel mixture pump is communicated with the mixed gas outlet of the third jet pump through a pipeline,
the secondary side inlet is communicated with a cooling water system through a pipeline,
the primary side outlet is communicated with the outside through a forevacuum pump,
wherein the cooling water system is a natural water source, a cooling tower or refrigeration equipment, and the water temperature of the water supply is 1.0-15.0 ℃.
Further, the method further comprises the following steps:
a first jet pump having a water vapor port, a mixed gas inlet, and a mixed gas outlet,
the water vapor port is communicated with the outlet of the steam system,
the mixed gas inlet is communicated with the gas outlet of the vacuum crystallizer,
the mixed gas outlet is communicated with the primary side inlet of the first condenser,
wherein the cooling water system is a natural water source, a cooling tower or refrigeration equipment, and the water temperature of the water supply is 15.1-32.0 ℃.
Further, the method further comprises the following steps:
the steam distributor is provided with an inlet and a plurality of distribution ports and is used for communicating with the steam ports of the first jet pump, the second jet pump and the third jet pump through pipelines.
Further, the method further comprises the following steps:
and the inlets of the hot water tank are respectively communicated with the secondary side outlets of the first condenser, the second condenser and the third condenser through pipelines, and the outlets of the hot water tank are communicated with the inlet of the cooling tower through pipelines.
Further, the method further comprises the following steps:
the heat exchanger includes a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet,
the primary side inlet is communicated with the outlet of the natural water source through a pipeline,
the primary side outlet is communicated with the inlet of the natural water source through a pipeline,
the secondary side inlet is communicated with the outlet of the hot water tank through a pipeline,
the inlet of the water dividing bag is communicated with the secondary side outlet of the heat exchanger through a pipeline, and the outlet of the water dividing bag is communicated with the secondary side inlets of the first condenser, the second condenser and the third condenser through pipelines.
The beneficial effects of the utility model are as follows: the utility model can utilize natural water source to achieve the effect of reducing steam consumption, the vacuum pump can switch work between two mathematical calculation models of low-temperature and medium-temperature water sources through different working combinations of the ejector and the condenser, green cold energy is utilized to the maximum extent under different seasons and different water temperatures, the consumption of steam is greatly reduced, the cost is reduced, and the steam amount can be saved by 85-90% at most under the low-temperature condition of 1.0-15.0 degrees.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Wherein: 1. a first jet pump; 2. a first condenser; 3. a second jet pump; 4. a second condenser; 5. a third jet pump; 6. a third condenser; 7. a backing vacuum pump; 8. a water dividing bag; 9. natural water source; 10. a cooling tower; 11. a hot water tank; 12. a vacuum crystallizer; 13. a steam distributor; 14. a heat exchanger.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model discloses a system of a composite steam jet vacuum pump unit utilizing green energy, which is shown in figure 1 and comprises a vacuum crystallizer 12, a first condenser 2, a second jet pump 3, a second condenser 4, a third jet pump 5 and a third condenser 6. The vacuum crystallizer 12 is provided with an air outlet, and materials to be purified are stored in the vacuum crystallizer 12.
The first condenser 2 includes a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet, and the first condenser 2 is configured to condense and unload the condensable gas in the mixed gas in the vacuum crystallizer 12. The primary side inlet of the first condenser 2 is communicated with the air outlet of the vacuum crystallizer 12 through a pipeline, and the secondary side inlet of the first condenser 2 is communicated with a cooling water system through a pipeline.
The second ejector pump 3 includes a water vapor port, a mixed gas inlet, and a mixed gas outlet, the water vapor port of the second ejector pump 3 communicates with the outlet of the vapor system, and the mixed gas inlet of the second ejector pump 3 communicates with the primary-side outlet of the first condenser 2.
The second condenser 4 includes a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet, and the second condenser 4 is configured to condense and unload the condensable gas in the mixed gas pumped by and fed into the second jet pump 3.
The primary side inlet of the second condenser 4 is communicated with the mixed gas outlet of the second jet pump 3 through a pipeline, and the secondary side inlet of the second condenser 4 is communicated with a cooling water system through a pipeline.
The third ejector 5 has a water vapor port, a mixed gas inlet, and a mixed gas outlet, the water vapor port of the third ejector 5 communicates with the outlet of the vapor system, and the mixed gas inlet of the third ejector 5 communicates with the primary side outlet of the second condenser 4.
The third condenser 6 includes a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet, and the third condenser 6 is configured to condense and unload the condensable gas in the mixed gas pumped by and fed into the third jet pump 5.
The primary side inlet of the third condenser 6 is communicated with the mixed gas outlet of the third jet pump 5 through a pipeline, the secondary side inlet of the third condenser 6 is communicated with a cooling water system through a pipeline, and the primary side outlet of the third condenser 6 is communicated with the outside through a vacuum circulating pump.
The essence of using a condenser is the saving of increasing the consumption of condensed water in exchange for working steam and the low cost of water in exchange for high cost steam, resulting in a reduction in the operating costs of the pump. The cooling water system is a natural water source 9 or is provided by a cooling tower 10, and the water temperature is 1.0-15.0 ℃. And when the climate change is abnormal, the cooling water temperature is regulated or reduced by using the refrigeration equipment.
In winter and spring, the water temperature of a natural water source 9, such as a river, a lake and a reservoir is 1.0-15.0 ℃, the mathematical calculation model and the design theory of the natural water source are divided into a low-temperature mathematical calculation model according to the water inlet temperature, and the water inlet temperature is 1.0-15.0 ℃; at this time, the water of the natural water source 9 is taken as cooling water to enter the secondary side inlets of the first condenser 2, the second condenser 4 and the third condenser 6 for cooling and unloading, and as the power and the load of the first condenser 2 are very large, the first condenser 2 can pre-cool the condensable gas entering the first condenser by using the low-temperature water of 1.0-15.0 ℃ and unload a part of the condensable gas, then enter the second condenser 4 for unloading again under the suction force of the second jet pump 3, and further meet the requirement of the vacuum degree and the purification requirement of the vacuum crystallizer 12 under the condition of low water temperature, and in this mode, the steam amount can be saved by 85-90%.
The utility model also includes: the first jet pump 1, the first jet pump 1 has a water vapor port, a mixed gas inlet, and a mixed gas outlet, the water vapor port of the first jet pump 1 communicates with the outlet of the vapor system, the mixed gas inlet of the first jet pump 1 communicates with the air outlet of the vacuum crystallizer 12, and the mixed gas outlet of the first jet pump 1 communicates with the primary side inlet of the first condenser 2.
Under the action of the first jet pump 1, the mixed steam enters the first condenser 2, the condensable gas is cooled by cooling water from the water dividing bag 8, and is output from the bottom of the first condenser 2, then enters the second jet pump 3 and the second condenser 4, finally enters the third jet pump 5 and the third condenser 6, and finally enters the forevacuum pump 7 to be discharged into the atmosphere. In the steam system, steam of the steam distributor 13 is input into a steam distribution bag and is respectively sent into the first jet pump 1, the second jet pump 3 and the third jet pump 5, and enters a corresponding condenser to become waste gas after working.
The cooling water system is a natural water source 9 or provided by a cooling tower 10, the water temperature is 15.1-32.0 ℃, the mathematical calculation model and the design theory are divided into medium-temperature mathematical calculation models according to the water inlet temperature, and the water inlet temperature is 15.1-32.0 ℃; in the cooling water system, medium-temperature water from the available green energy system is input into the first condenser 2, the second condenser 4 and the third condenser 6 through the water dividing bag 8 for condensation and washing, so that the condensable gas and the cooling water are mixed and output, and the non-condensable waste gas is discharged out of the atmosphere step by step.
In summer and autumn, the water of a natural water source 9, such as a river, a lake and a reservoir, is at 15.1-32.0 ℃, at the moment, the water of the natural water source 9 is taken as cooling water to enter the secondary side inlets of the first condenser 2, the second condenser 4 and the third condenser 6 for cooling and unloading, because the power and the load of the first condenser 2 are very large and are matched with the first jet pump 1, under the condition that the first jet pump 1 and the first condenser 2 participate, the first condenser 2 unloads a large amount of condensable gas which is input into the first condenser 2 through the first jet pump 1, and further, the requirements of vacuum degree and purification of the vacuum crystallizer 12 are met under the condition that the water temperature is higher, and under the mode, 35-70% of the steam amount can be saved.
In addition to summer, the cooling tower 10 can be used for obtaining low-temperature water with the temperature of 5-20 ℃, and according to tests, in the prior art, the working steam pressure of the jet pump is matched with the cooling water temperature of the condenser, the cooling water temperature of the condenser is generally about 32 ℃, when the cooling water inlet temperature is 32 ℃, the steam consumption of the vacuum pump is 2400kg/h, the cooling water inlet temperature is 20 ℃, the steam consumption is saved by 50 percent, and is 1200kg/h, when the cooling water inlet temperature is 10 ℃, the steam consumption is about 300kg/h, the steam consumption is saved by 85-90 percent, and the energy saving and consumption reducing effects are excellent.
The utility model also includes: the steam distributor 13, the steam distributor 13 is provided with an inlet and a plurality of distribution ports, and the steam distributor 13 is used for communicating with the steam ports of the first jet pump 1, the second jet pump 3 and the third jet pump 5 through pipelines.
The utility model also includes: the hot water tank 11, the inlet of the hot water tank 11 is respectively communicated with the secondary side outlets of the first condenser 2, the second condenser 4 and the third condenser 6 through pipelines, and the outlet of the hot water tank 11 is communicated with the inlet of the cooling tower 10 through pipelines so as to circulate. The outlet of the hot water tank 11 is also communicated with the heat utilization terminal through a pipeline, and the hot water tank 11 is communicated with the heat utilization terminal, so that the energy consumption can be saved, and the cost can be reduced.
The utility model also includes: the heat exchanger 14, the water drum 8, the heat exchanger 14 possesses primary side entry, primary side export, secondary side entry, secondary side export, and the primary side entry of heat exchanger 14 is linked together with the export of natural water source 9 through the pipeline, and the primary side export of heat exchanger 14 is linked together with the entry of natural water source 9 through the pipeline, and the secondary side entry of heat exchanger 14 is linked together with the export of hot water tank 11 through the pipeline.
The inlet of the water diversion drum 8 is communicated with the secondary side outlet of the heat exchanger 14 through a pipeline, and the outlet of the water diversion drum 8 is communicated with the secondary side inlets of the first condenser 2, the second condenser 4 and the third condenser 6 through pipelines.
The mathematical calculation model of the vacuum pump has the characteristics of low energy consumption, small process variation, low failure and stable vacuum degree and extraction quantity, and can replace the vacuum pump of the existing high-temperature mathematical calculation model.
Example 1
The vacuum degree of the titanium dioxide vacuum crystallizer 12 of a certain factory is 930Pa, the extraction amount is 30kg/h of non-condensable gas and 820kg/h of condensable gas, namely the total amount is 850kg/h, the cooling water temperature of the adopted prior art is 32 ℃, the water consumption is 400t/h, the steam demand of an ejector pump group is 2.4t/h, and the steam price is 157 yuan/ton.
The present utility model is installed to meet the requirements of the plant vacuum crystallizer 12.
When the water temperature of the natural water source 9 is 20 ℃, the first condenser 2, the second condenser 4 and the third condenser 6 are started, and then the first jet pump 1, the second jet pump 3 and the third jet pump 5 are started, at the moment, the total steam amount used by the first jet pump 1, the second jet pump 3 and the third jet pump 5 is 1.2t/h, and the water consumption is 200t/h.
As shown in table 1, when the water temperature of the natural water source 9 is 10 degrees, the first condenser 2, the second condenser 4 and the third condenser 6 are started, and then the second jet pump 3 and the third jet pump 5 are started, at this time, the total steam amount used by the second jet pump 3 and the third jet pump 5 is 300kg/h, and the water consumption is 100t/h.
As shown in Table 1, the plant had a 50% savings in steam when the feed water temperature was 20 degrees and a 87.5% savings in steam when the feed water temperature was 10 degrees, as compared to the prior art.
Therefore, 188.4 yuan/h is saved when the water inlet temperature is 20 degrees, and 329.7 yuan/h is saved when the water inlet temperature is 10 degrees.
TABLE 1
The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (5)
1. A system of a compound type steam jet vacuum pump unit using green energy, comprising:
a vacuum crystallizer (12) provided with an air outlet in which the materials to be purified are stored,
a first condenser (2) provided with a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet for condensing and unloading the condensable gas in the mixed gas in the vacuum crystallizer (12),
the primary side inlet is communicated with the air outlet of the vacuum crystallizer (12) through a pipeline,
the secondary side inlet is communicated with a cooling water system through a pipeline,
a second jet pump (3) having a water vapor port, a mixed gas inlet, and a mixed gas outlet, the water vapor port communicating with the outlet of the vapor system, the mixed gas inlet communicating with the primary side outlet of the first condenser (2),
a second condenser (4) having a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet for condensing and discharging the condensable gas in the mixed gas pumped by the second jet pump (3) and fed therein,
the primary side inlet of the air conditioner is communicated with the mixed gas outlet of the second jet pump (3) through a pipeline,
the secondary side inlet is communicated with a cooling water system through a pipeline,
a third jet pump (5) having a water vapor port, a mixed gas inlet, and a mixed gas outlet, the water vapor port communicating with the outlet of the vapor system, the mixed gas inlet communicating with the primary side outlet of the second condenser (4),
a third condenser (6) having a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet for condensing and discharging the condensable gas in the mixed gas pumped by the third jet pump (5) and fed therein,
the primary side inlet is communicated with the mixed gas outlet of the third jet pump (5) through a pipeline,
the secondary side inlet is communicated with a cooling water system through a pipeline,
the primary side outlet is communicated with the outside through a forevacuum pump (7),
wherein the cooling water system is a natural water source (9), a cooling tower (10) or refrigeration equipment.
2. The system of a compound vacuum pump set for vapor injection using green energy according to claim 1, further comprising:
a first jet pump (1) provided with a water vapor port, a mixed gas inlet, and a mixed gas outlet,
the water vapor port is communicated with the outlet of the steam system,
the mixed gas inlet is communicated with the gas outlet of the vacuum crystallizer (12),
the mixed gas outlet is communicated with the primary side inlet of the first condenser (2).
3. A system of a compound type vapor jet vacuum pump unit utilizing green energy according to claim 2, further comprising:
the steam distributor (13) is provided with an inlet and a plurality of distribution ports and is used for communicating with the steam ports of the first jet pump (1), the second jet pump (3) and the third jet pump (5) through pipelines.
4. A system of a compound type vapor jet vacuum pump unit utilizing green energy according to any one of claims 1 to 3, further comprising:
the inlets of the hot water tank (11) are respectively communicated with the secondary side outlets of the first condenser (2), the second condenser (4) and the third condenser (6) through pipelines, and the outlets of the hot water tank are communicated with the inlet of the cooling tower (10) through pipelines.
5. The system of a compound vacuum pump set for vapor injection using green energy according to claim 4, further comprising:
a heat exchanger (14) provided with a primary inlet, a primary outlet, a secondary inlet, and a secondary outlet,
the primary side inlet of the water heater is communicated with the outlet of the natural water source (9) through a pipeline,
the primary side outlet is communicated with the inlet of the natural water source (9) through a pipeline,
the secondary side inlet is communicated with the outlet of the hot water tank (11) through a pipeline,
the inlet of the water diversion bag (8) is communicated with the secondary side outlet of the heat exchanger (14) through a pipeline, and the outlet of the water diversion bag is communicated with the secondary side inlets of the first condenser (2), the second condenser (4) and the third condenser (6) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320466838.4U CN220276335U (en) | 2023-03-13 | 2023-03-13 | System of composite steam jet vacuum pump unit utilizing green energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320466838.4U CN220276335U (en) | 2023-03-13 | 2023-03-13 | System of composite steam jet vacuum pump unit utilizing green energy |
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| Publication Number | Publication Date |
|---|---|
| CN220276335U true CN220276335U (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320466838.4U Active CN220276335U (en) | 2023-03-13 | 2023-03-13 | System of composite steam jet vacuum pump unit utilizing green energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220276335U (en) |
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2023
- 2023-03-13 CN CN202320466838.4U patent/CN220276335U/en active Active
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