CN110567546A - Gas self-saturation device - Google Patents
Gas self-saturation device Download PDFInfo
- Publication number
- CN110567546A CN110567546A CN201910917256.1A CN201910917256A CN110567546A CN 110567546 A CN110567546 A CN 110567546A CN 201910917256 A CN201910917256 A CN 201910917256A CN 110567546 A CN110567546 A CN 110567546A
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- gas
- liquid
- saturated
- tank body
- saturated liquid
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- 239000011555 saturated liquid Substances 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 238000005507 spraying Methods 0.000 claims abstract description 33
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims description 12
- 238000009738 saturating Methods 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 238000009688 liquid atomisation Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Nozzles (AREA)
Abstract
the invention discloses a gas self-saturation device, which comprises a tank body for storing saturated liquid, an air inlet arranged on the tank body, an air outlet arranged on the top of the tank body, a circulating pipe with two ends respectively communicated with the tank body, and a circulating pump connected on the circulating pipe, wherein the saturated liquid is the same as superheated gas, a circulating inlet of the circulating pipe is communicated with the tank body below the liquid level of the saturated liquid, a circulating outlet of the circulating pipe is communicated with the tank body above the liquid level of the saturated liquid, the gas self-saturation device also comprises a spraying assembly arranged in the tank body and positioned above the liquid level of the saturated liquid, and the spraying assembly is communicated with the circulating outlet. According to the gas self-saturation device, the circulating pipe and the spraying assembly are arranged, the circulating pump is used for pumping saturated liquid in the tank body into the spraying assembly to be sprayed out in a downward atomizing mode, the saturated liquid is in full contact with superheated gas to exchange heat, the superheated gas is converted into saturated gas after reaching the saturation temperature, and the device is simple in structure and convenient to operate.
Description
Technical Field
The invention relates to the field of treatment of superheated gas, in particular to a gas self-saturation device.
Background
In some special processes in the field of petrochemical industry, such as an ethylene tank in an ethylene plant and a suction tank of a propylene refrigeration compressor, superheated gas entering the tank body is required to be cooled to reach a saturation temperature and then discharged from the top of the tank, and then enters the next process flow.
In the existing design, a mixing device is arranged on a gas pipeline outside a tank, and comprises a mixer, a separation device and a temperature detection system, in order to determine that gas reaches a saturated state, the temperature of the gas discharged from the separation device needs to be detected by the temperature detection system to judge whether the gas reaches the saturated state, so that the addition amount of cooling liquid must be strictly controlled in order to ensure the saturated state after the superheated gas and the cooling liquid in the liquid phase are mixed.
However, the above design has the following defects that (1) the system structure is more complex and the number of parts is more; (2) for operators, it is generally difficult to accurately control the addition amount of the cooling liquid; (3) the temperature detection system has the phenomenon of feedback lag, when the cooling liquid is added excessively, the temperature detection system still indicates the saturation temperature, the adding amount of the cooling liquid is excessive, the material balance of the whole system is influenced, and therefore the adding amount of the cooling liquid is insufficient or excessive due to the lag of the temperature detection system.
Disclosure of Invention
the invention aims to overcome the defects of the prior art and provides a gas self-saturation device, which can fully mix superheated gas and saturated liquid and exchange heat to convert the superheated gas into saturated gas after reaching the saturation temperature, does not need to adjust the flow of the saturated liquid according to temperature feedback, and has the advantages of simple structure and convenient operation.
In order to achieve the purpose, the invention adopts the technical scheme that:
A gas self-saturation device is used for converting superheated gas into saturated gas, and comprises a tank body for storing saturated liquid, a gas inlet which is arranged on the tank body and is used for introducing the superheated gas, a gas outlet which is arranged on the top of the tank body and is used for leading out the saturated gas, a circulating pipe which is respectively communicated with the tank body at two ends and is used for circulating the saturated liquid, and a circulating pump which is connected on the circulating pipe, wherein the saturated liquid and the superheated gas are homogeneous, a circulating inlet of the circulating pipe is communicated on the tank body below the liquid level of the saturated liquid, a circulating outlet of the circulating pipe is communicated on the tank body above the liquid level of the saturated liquid, the gas self-saturation device also comprises a spraying component which is arranged in the tank body and is positioned above the liquid level of the saturated liquid and is used for atomizing and spraying the saturated liquid, the spray assembly is in communication with the circulation outlet.
Preferably, the air inlet is arranged on the tank body below the liquid level of the saturated liquid.
Preferably, the gas self-saturation device further comprises a gas distributor arranged in the tank body, and the gas distributor is communicated with the gas inlet.
Preferably, the spraying assembly comprises a spraying pipe and an atomizing spray head communicated with the spraying pipe, one end of the spraying pipe is communicated with the circulating outlet, and the other end of the spraying pipe is a closed end.
Further preferably, the plurality of atomization nozzles are arranged at intervals along the extending direction of the spray pipe.
Preferably, the gas self-saturation device further comprises a gas-liquid separator arranged in the tank body, and the gas-liquid separator is positioned between the spraying assembly and the gas outlet.
Preferably, the gas self-saturation device further comprises a liquid inlet which is arranged on the tank body and used for introducing the saturated liquid, and the liquid inlet is positioned on the tank body above the liquid level of the saturated liquid.
preferably, the gas self-saturation device further comprises a high liquid level sensor and a low liquid level sensor which are arranged on the tank body, and the liquid level of the saturated liquid is between the set liquid levels of the high liquid level sensor and the low liquid level sensor.
Preferably, the gas self-saturation device further comprises a liquid outlet which is arranged at the bottom of the tank body and used for leading out the saturated liquid.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the gas self-saturation device, the circulating pipe and the spraying assembly are arranged, saturated liquid in the tank body is pumped into the spraying assembly by the circulating pump to be sprayed out in a downward atomizing mode, the saturated liquid is in full contact with the superheated gas introduced into the gas inlet and exchanges heat, the superheated gas is converted into the saturated gas after reaching the saturation temperature, the flow of the saturated liquid does not need to be adjusted according to temperature feedback, the structure is simple, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: 1. a tank body; 2. an air inlet; 3. an air outlet; 4. a circulation pipe; 4a, a circulating inlet; 4b, a circulating outlet; 5. a circulation pump; 6. a spray assembly; 6a, a spray pipe; 6b, an atomizing nozzle; 7. a gas distributor; 8. a gas-liquid separator; 9. a liquid inlet; 10. a high level sensor; 11. a low level sensor; 12. and a liquid outlet.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Referring to fig. 1, a gas self-saturation device for converting superheated gas into saturated gas comprises a tank 1 for storing saturated liquid, an air inlet 2 arranged on the tank 1 and used for introducing the superheated gas, an air outlet 3 arranged on the top of the tank 1 and used for introducing the saturated gas, a circulating pipe 4 with two ends respectively communicated with the tank 1 and used for circulating the saturated liquid, and a circulating pump 5 connected to the circulating pipe 4, wherein the saturated liquid is the same as the superheated gas, a circulating inlet 4a of the circulating pipe 4 is communicated with the tank 1 below the liquid level of the saturated liquid, a circulating outlet 4b of the circulating pipe 4 is communicated with the tank 1 above the liquid level of the saturated liquid, and the gas self-saturation device further comprises a spray assembly 6 arranged in the tank 1 and above the liquid level of the saturated liquid and used for atomizing and spraying the saturated liquid, the spray assembly 6 is in communication with the circulation outlet 4 b.
Through setting up circulating pipe 4 and spraying subassembly 6, utilize circulating pump 5 to pump the saturated liquid in jar body 1 and send spraying subassembly 6 in the downward atomizing blowout to with leading in the air inlet 2 and the superheated gas of upflow fully contact and the heat transfer, turn into saturated gas after making superheated gas reach saturation temperature, the device need not adjust saturated liquid flow according to temperature feedback, simple structure, convenient operation. Here, the spraying assembly 6 includes a spraying pipe 6a, and an atomizing nozzle 6b connected to the spraying pipe 6a, one end of the spraying pipe 6a is connected to the circulation outlet 4b, and the other end is a closed end, wherein the atomizing nozzle 6b is provided in plurality and arranged at intervals along the extending direction of the spraying pipe 6 a. The spray assembly 6 may also be other prior art spray configurations.
In this embodiment, the gas inlet 2 opens into the tank 1 below the liquid level of the saturated liquid. The gas inlet 2 is arranged on the tank body 1 below the liquid level of the saturated liquid, so that the superheated gas firstly enters the saturated liquid after entering the tank body 1, and the superheated gas is primarily cooled by the saturated liquid. Meanwhile, the gas self-saturation device further comprises a gas distributor 7 arranged in the tank body 1, and the gas distributor 7 is communicated with the gas inlet 2. Superheated gas has improved the homogeneity of superheated gas in jar body 1 through the equipartition of gas distributor 7 after 2 entering of air inlet to the cooling effect has been improved. The gas distributor 7 is a conventional one, and the detailed structure thereof is not described in detail. The gas self-saturation device further comprises a gas-liquid separator 8 arranged in the tank body 1, and the gas-liquid separator 8 is positioned between the spraying assembly 6 and the gas outlet 3. The gas-liquid separator 8 is a conventional one, and the detailed structure thereof is not described. Superheated gas overflows from the liquid level of saturated liquid after the saturated liquid is preliminarily cooled, and continuously upwards dissipates, then fully contacts with vaporific saturated liquid sprayed by the spraying assembly 6 and exchanges heat, and finally the superheated gas is cooled to saturation temperature and converted into saturated gas, and the saturated liquid after heat exchange drops to the bottom of the tank body 1. The saturated gas continuously enters the gas-liquid separator 8 upwards, the pure saturated gas separated by the gas-liquid separator 8 is discharged from the gas outlet 3, and the separated saturated liquid is gathered in the gas-liquid separator 8 and is formed into large liquid drops and then falls to the bottom of the tank body 1.
In the heat exchange process of the saturated liquid and the superheated gas, part of the saturated liquid is converted into the saturated gas by the heat of the superheated gas, and the additionally generated saturated gas and the saturated gas converted from the superheated gas are discharged from the gas outlet 3 together, so that the utilization rate of the heat of the superheated gas and the yield of the saturated gas are increased.
In this embodiment, this gaseous from saturating device still includes the inlet 9 that is used for letting in saturated liquid, locates high level sensor 10 and the low level sensor 11 on jar body 1 of seting up on jar body 1, and inlet 9 is located jar body 1 of saturated liquid level top, and the liquid level of saturated liquid is between the settlement liquid level of high level sensor 10 and low level sensor 11. The set liquid level of the low liquid level sensor 11 ensures the liquid phase space at the bottom of the tank body 1, and avoids the influence on the conversion efficiency of the superheated gas caused by too small liquid amount of saturated liquid in the tank body 1; the set liquid level of the high liquid level sensor 10 ensures the gas phase space at the upper part of the tank body, ensures that the superheated gas can have enough space to exchange heat with the vaporific saturated liquid sprayed by the spray component 6, and ensures the heat exchange efficiency. When the saturated liquid level in the tank body 1 is lower than the set liquid level of the low liquid level sensor 11, the low liquid level sensor 11 transmits a signal, and at the moment, the saturated liquid needs to be added into the tank body 1 again. When the saturated liquid added reaches the set level of the high level sensor 10, the saturated liquid addition is stopped.
In this embodiment, the gas self-saturation device further includes a liquid outlet 12 opened at the bottom of the tank 1 for discharging the saturated liquid. The liquid outlet 12 is used for discharging saturated liquid in the tank body 1 during maintenance and periodically discharging impurities in the tank body 1 during long-time operation.
The following specifically explains the working process of this embodiment: when the work is started, saturated liquid is injected from the liquid inlet 9, so that the liquid level of the saturated liquid is lower than the set liquid level of the high liquid level sensor 10 and higher than the set liquid level of the low liquid level sensor 11;
Then, introducing superheated gas from the gas inlet 2, uniformly distributing the superheated gas by a gas distributor 7, then introducing the superheated gas into saturated liquid, primarily cooling the superheated gas, then overflowing the superheated gas from the liquid level of the saturated liquid, and continuously upwards dissipating the superheated gas;
When introducing overheated gas, start circulating pump 5, upwards pump the saturated liquid in the jar body 1, enter into spraying subassembly 6 afterwards and spout downwards the atomizing, and with the overheated gas contact heat transfer of upwards loss, cool overheated gas to saturation temperature and convert into saturated gas, saturated liquid after the heat transfer drops to jar body 1 bottom, saturated gas continues to go up to get into in vapour and liquid separator 8, the pure saturated gas of separating through vapour and liquid separator 8 is discharged from gas outlet 3, the saturated liquid gathering of separation becomes the big liquid drop and drops to jar body 1 bottom in vapour and liquid separator 8.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (9)
1. A gas self-saturating device for converting superheated gas to saturated gas, characterized by: the gas is from saturation device including depositing the jar body (1) that is equipped with saturated liquid, seting up in be used for letting in superheated gas's air inlet (2) on jar body (1), seting up in jar body (1) top be used for leading through gas outlet (3) of saturated gas, both ends respectively with jar body (1) is linked together be used for the circulation the circulating pipe (4) of saturated liquid and connect in circulating pump (5) on circulating pipe (4), saturated liquid with superheated gas is homogeneous, circulation import (4 a) of circulating pipe (4) communicate in saturated liquid level below on jar body (1), the circulation export (4 b) of circulating pipe (4) communicate in saturated liquid level top jar body (1) is last, gas is from saturation device still including locating in jar body (1) and be located saturated liquid level top be used for with saturated liquid atomization spun spraying assembly (6) The spraying assembly (6) is communicated with the circulating outlet (4 b).
2. A gas self-saturating device according to claim 1, wherein: the air inlet (2) is arranged on the tank body (1) below the liquid level of the saturated liquid.
3. A gas self-saturating device according to claim 1, wherein: the gas self-saturation device further comprises a gas distributor (7) arranged in the tank body (1), and the gas distributor (7) is communicated with the gas inlet (2).
4. A gas self-saturating device according to claim 1, wherein: the spraying assembly (6) comprises a spraying pipe (6 a) and an atomizing nozzle (6 b) communicated with the spraying pipe (6 a), one end of the spraying pipe (6 a) is communicated with the circulating outlet (4 b), and the other end of the spraying pipe (6 a) is a closed end.
5. A gas self-saturating device according to claim 4, wherein: the atomizing spray heads (6 b) are arranged at intervals along the extending direction of the spray pipe (6 a).
6. A gas self-saturating device according to claim 1, wherein: the gas self-saturation device further comprises a gas-liquid separator (8) arranged in the tank body (1), and the gas-liquid separator (8) is positioned between the spraying assembly (6) and the gas outlet (3).
7. A gas self-saturating device according to claim 1, wherein: the gas self-saturation device further comprises a liquid inlet (9) which is arranged on the tank body (1) and used for introducing saturated liquid, wherein the liquid inlet (9) is positioned above the liquid level of the saturated liquid on the tank body (1).
8. A gas self-saturating device according to claim 1, wherein: the gas self-saturation device further comprises a high liquid level sensor (10) and a low liquid level sensor (11) which are arranged on the tank body (1), and the liquid level of the saturated liquid is between the set liquid levels of the high liquid level sensor (10) and the low liquid level sensor (11).
9. A gas self-saturating device according to claim 1, wherein: the gas self-saturation device further comprises a liquid outlet (12) which is arranged at the bottom of the tank body (1) and used for leading out the saturated liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917256.1A CN110567546A (en) | 2019-09-26 | 2019-09-26 | Gas self-saturation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917256.1A CN110567546A (en) | 2019-09-26 | 2019-09-26 | Gas self-saturation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110567546A true CN110567546A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910917256.1A Pending CN110567546A (en) | 2019-09-26 | 2019-09-26 | Gas self-saturation device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW463206B (en) * | 1998-02-27 | 2001-11-11 | Air Liquide | Continuous gas saturation system and method |
| CN104289095A (en) * | 2014-11-07 | 2015-01-21 | 黄秀琼 | Pre-washing absorption tower |
| CN206027400U (en) * | 2016-08-31 | 2017-03-22 | 深圳道汇环保科技有限公司 | Waste gas treatment device |
| CN108392937A (en) * | 2018-05-07 | 2018-08-14 | 山东凯天环境工程有限公司 | High temperature and humidity biofermentation peculiar smell exhaust gas processing device and technique |
| CN207786202U (en) * | 2018-01-05 | 2018-08-31 | 山东大学 | The device of fine grained and condensable particle in low temperature spray cleaning coal-fired flue-gas |
| CN210293369U (en) * | 2019-09-26 | 2020-04-10 | 张家港市江南锅炉压力容器有限公司 | Gas self-saturation device |
-
2019
- 2019-09-26 CN CN201910917256.1A patent/CN110567546A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW463206B (en) * | 1998-02-27 | 2001-11-11 | Air Liquide | Continuous gas saturation system and method |
| CN104289095A (en) * | 2014-11-07 | 2015-01-21 | 黄秀琼 | Pre-washing absorption tower |
| CN206027400U (en) * | 2016-08-31 | 2017-03-22 | 深圳道汇环保科技有限公司 | Waste gas treatment device |
| CN207786202U (en) * | 2018-01-05 | 2018-08-31 | 山东大学 | The device of fine grained and condensable particle in low temperature spray cleaning coal-fired flue-gas |
| CN108392937A (en) * | 2018-05-07 | 2018-08-14 | 山东凯天环境工程有限公司 | High temperature and humidity biofermentation peculiar smell exhaust gas processing device and technique |
| CN210293369U (en) * | 2019-09-26 | 2020-04-10 | 张家港市江南锅炉压力容器有限公司 | Gas self-saturation device |
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