CN217068310U - Device for efficiently recycling organic gas - Google Patents
Device for efficiently recycling organic gas Download PDFInfo
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- CN217068310U CN217068310U CN202221528660.3U CN202221528660U CN217068310U CN 217068310 U CN217068310 U CN 217068310U CN 202221528660 U CN202221528660 U CN 202221528660U CN 217068310 U CN217068310 U CN 217068310U
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Abstract
The utility model provides a device for high-efficient recovery organic gas belongs to vapor detection surveys waste gas recovery experimental apparatus field. The device comprises an absorption bottle, a tower plate, a gas phase ascending channel, a negative pressure device and an electromagnetic heating device, wherein the absorption bottle comprises an absorption bottle body, a tower plate, a gas phase ascending channel, a negative pressure device and an electromagnetic heating device; the upper end of the absorption bottle is externally connected with a negative pressure device; the upper part in the absorption bottle is provided with a condensing device, the middle part in the absorption bottle is provided with at least two inclined tower plates, and the bottom of the absorption bottle is provided with an electromagnetic heating device. Through the mode of recondensing after the organic gas absorbent vaporizes, the absorbent can fully contact and combine with the target gas micromolecules in the sample gas and absorb, the absorption efficiency is greatly improved, the absorption is more thorough, the gas residue is reduced, the method has the characteristics of energy conservation and environmental protection, the resources which are most easily ignored in the detection are treated and recycled while the detection quality is improved, and the pollution to the environment is reduced.
Description
Technical Field
The utility model belongs to vapor detection surveys waste gas recovery equipment field particularly, relates to a device for high-efficient organic gas of retrieving.
Background
When natural gas and liquefied petroleum gas samples are detected and analyzed, a sampling person collects samples according to sampling standards, but gas for detection and analysis is trace when gas chromatographs are used for analyzing components and density actually, for example, the gas bags with 3L, 5L, 8L and 10L are sampled, or the actual consumption of 1-3 MPa gas collected by steel cylinders for detecting and analyzing items is small, so that the detection of residual gas samples becomes a deep topic.
At present, most laboratories concentrate air bags and steel cylinders filled with residual sample gas into a well-ventilated environment for discharge or discharge in a fume hood, which saves trouble and causes environmental pollution; the other method is to utilize an organic gas absorbent to carry out gas absorption and then discharge the gas after purification treatment; however, the problems of slow absorption, low absorption rate, gas residue and the like generally exist, and the using effect is poor.
Disclosure of Invention
The utility model discloses to utilizing the organic gas absorbent to carry out gaseous absorption, there is the absorption slow, the absorptivity is low to and gaseous remaining, the poor scheduling problem of result of use provides a device for high-efficient organic gas of retrieving, and the device has the absorption efficiency height, and energy saving, green's characteristics, organic gas can be by recycle, improves resource utilization, reduces the pollution to the environment simultaneously.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a device for efficiently recovering organic gas comprises an absorption bottle, a tower plate, a gas-phase ascending channel, a negative pressure device and an electromagnetic heating device; the upper end of the absorption bottle is externally connected with a negative pressure device; a condensing device is arranged at the inner upper part of the absorption bottle, at least two inclined tower plates are arranged at the inner middle part of the absorption bottle, and the tower plates are staggered from top to bottom along the inner wall of the absorption bottle; a gas phase ascending channel which can be communicated with the upper part and the lower part of the absorption bottle is arranged outside the absorption bottle, an upper connecting port of the gas phase ascending channel is positioned between the condensing device and the uppermost tower plate, and a lower connecting port of the gas phase ascending channel is positioned between the lowermost tower plate and the bottom of the absorption bottle; an air inlet pipe and a liquid outlet pipe are arranged on the absorption bottle below the lowermost tower plate, and a liquid discharge valve is arranged on the liquid outlet pipe; the bottom of the absorption bottle is provided with an electromagnetic heating device.
Furthermore, a sand core plate for dispersing the organic gas entering the absorption bottle is arranged at the lower part in the absorption bottle.
Further, the absorption bottle comprises a bottle body, an outer cover containing a sealing ring and a bottle cap fixing device, wherein the bottle cap fixing device is integrally arranged at the bottle mouth of the bottle body, and the outer cover containing the sealing ring is fixedly connected to the top of the bottle cap fixing device through at least two fastening devices; the condensing device is fixedly connected with a screw plate fixedly arranged at the lower end of the bottle cap fixing device through a fixing frame; the sealing ring-containing outer cover is provided with an air pressure output connecting pipe, the air pressure output connecting pipe is connected with a negative pressure device through a negative pressure connecting pipe, and the air pressure output connecting pipe is provided with a precision pressure gauge and a stop valve.
Further, the bottle cap fixing device adopts a circular plate with a through hole in the center, and the fastening device can adopt a butterfly bolt.
Further, the bottom of the bottle body is arranged on the base, and the bottom of the base is provided with the rolling wheel.
Furthermore, a handle is arranged at the top of the outer cover containing the sealing ring.
Further, bottle lateral wall upper portion still is equipped with the protective housing, is equipped with compressor, circulating pump in the protective housing, and series connection between compressor, circulating pump, the condensing equipment still is equipped with radiator fan on the protective housing.
Furthermore, condensing equipment is spiral heat exchange tube, and condensing equipment is inside to be fixed with the coolant liquid holding vessel that is equipped with the coolant liquid, and the coolant liquid holding vessel lower part is passed through tubule and condensing equipment intercommunication.
Furthermore, the electromagnetic heating device adopts an electronic temperature control plate, and the electronic temperature control plate is externally connected with a circuit control panel through a lead.
Further, the bottle body is made of corrosion-resistant alloy materials.
The utility model has the advantages of: the utility model discloses a device for high-efficient organic gas of retrieving, through the mode of recondensing after the organic gas absorbent vaporization, make absorbent and target gas micro molecule in the sample gas can fully contact and combine and absorb, improve absorption efficiency greatly, absorb more thoroughly moreover, reduce gas residue, have energy saving, green's characteristics, handle the recycle to the resource that ignores most easily in the detection when improving detection quality, reduce the pollution to the environment; the bottle body is not easy to fall down by arranging the base, and the bottle body is convenient to move by the arranged rolling wheels; the organic gas absorbent is heated and volatilized under the condition of temperature control through the electromagnetic heating device, the tower plate is dropped under the condensation of the condensing device, and the gas and the liquid are in countercurrent contact at the tower plate, so that the absorption of the organic gas is facilitated.
Drawings
FIG. 1 is a schematic structural view of an apparatus for efficiently recovering an organic gas according to an embodiment;
FIG. 2 is a partial schematic view of a condensing unit according to an embodiment;
reference numerals: 1-bottle body, 2-air inlet pipe, 3-handle, 4-liquid outlet pipe, 5-liquid outlet valve, 6 a-refrigeration compressor, 6 b-circulating pump, 6 c-cooling fan, 7-electronic temperature control plate, 7 a-circuit control panel, 8-sand core plate, 9-base, 10-bottle cap fixing device, 11-condensing device, 11 a-fixing frame, 11 b-screw plate, 11 c-cooling liquid storage tank, 11 d-cooling liquid, 12-gas phase rising channel, 13-negative pressure device, 13 a-negative pressure connecting pipe, 14-precision pressure gauge, 14 a-air pressure output connecting pipe, 15-sealing ring-containing outer cover, 16-fastening device, 17-organic gas absorbent, 18-tower plate, 19-a stop valve and 20-a rolling wheel.
Detailed Description
In order to more clearly illustrate the technical solutions and effects of the present invention, the following detailed description will be made on the embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
As shown in fig. 1 and 2, the present embodiment provides an apparatus for efficiently recovering organic gas, which comprises an absorption bottle, a tray 18, a gas phase ascending channel 12, a negative pressure device 13 and an electromagnetic heating device; the upper end of the absorption bottle is externally connected with a negative pressure device 13; the upper part in the absorption bottle is provided with a condensing device 11, the middle part in the absorption bottle is provided with at least two inclined tower plates 18, and the tower plates 18 are staggered from top to bottom along the inner wall of the absorption bottle; a gas phase ascending channel 12 which can be communicated with the upper part and the lower part of the absorption bottle is arranged outside the absorption bottle, the upper connecting port of the gas phase ascending channel 12 is positioned between the condensing device 11 and the uppermost tower plate 18, and the lower connecting port of the gas phase ascending channel 12 is positioned between the lowermost tower plate 18 and the bottom of the absorption bottle; an air inlet pipe 2 and a liquid outlet pipe 4 are arranged on an absorption bottle below the lowermost tower plate 18, and a liquid discharge valve 5 is arranged on the liquid outlet pipe 4; the bottom of the absorption bottle is provided with an electromagnetic heating device.
When in use, the bottom of the absorption bottle is provided with the organic gas absorbent 17, and the liquid level of the organic gas absorbent 17 is between the liquid inlet pipe 2 and the lower connecting port of the gas-phase ascending channel 12; the organic gas absorbent 17 is a common organic solvent, such as tetrachloroethylene, carbon tetrachloride, benzene, n-hexane, solvent oil, methanol, acetone, has a low boiling point, and is beneficial to realizing maximum absorption in a low-temperature environment, for example, methane is easily dissolved in carbon tetrachloride, liquefied petroleum gas components are easily dissolved in solvent oil, and different absorbents required for different organic waste gases are different.
After the sample gas is sent into the absorption bottle, the sample gas enters the absorption bottle after being primarily absorbed by the organic gas absorbent 17; at the moment, the electromagnetic heating device heats the organic gas absorbent 17, the vaporized organic gas absorbent 17 also enters the absorption bottle, the vaporized organic gas absorbent 17 rises to the top of the absorption bottle from the gas-phase rising channel 12 under the drive of negative pressure due to the action of the negative pressure device 13 and the layer-by-layer obstruction of the tower plate 18, the vaporized organic gas absorbent 17 enters the top of the absorption bottle and is condensed by the condensing device 11, and the vaporized organic gas absorbent 17 is liquefied into small droplets which gradually drop from top to bottom through the tower plate 18; in the process, part of the sample gas in the bottle rises to the top of the absorption bottle along with the vaporized organic gas absorbent 17, and the gas and the liquid are fully contacted and combined to be absorbed while the organic gas absorbent 17 is liquefied; and the other part of the sample gas in the bottle rises from bottom to top in the absorption bottle, drops downwards along with the small liquid drops of the organic gas absorbent 17, and is absorbed after being in countercurrent contact with the rising sample gas and combined, thereby achieving the purpose of high-efficiency absorption.
Wherein, the tower plate 18 not only plays a role of layering and blocking the inside of the absorption bottle, but also can provide a sufficient combination area for small molecules of the small droplets of the absorbent and target gas in the sample gas (the target gas is a part of gas assembly in the sample gas which can be effectively absorbed by the organic gas absorbent 17), so that the absorption of the organic gas absorbent 17 is more sufficient and efficient.
Specifically, the lower part in the absorption bottle is provided with a sand core plate 8 for dispersing the organic gas entering the absorption bottle. In use, the sand core 8 is immersed in the organic gas absorbent 17. The sand core plate 8 plays a role in dispersing gas, when the sample gas passes through the sand core plate 8, the sample gas can be dispersed into small bubbles, gas-liquid contact is carried out in the form of the small bubbles, and the absorption efficiency of the sample gas is increased.
Specifically, the absorption bottle comprises a bottle body 1, an outer cover 15 containing a sealing ring and a bottle cap fixing device 10, wherein the bottle cap fixing device 10 is integrally arranged at the bottle mouth of the bottle body 1, and the top of the bottle cap fixing device 10 is fixedly connected with the outer cover 15 containing the sealing ring through at least two fastening devices 16; the condensing device 11 is fixedly connected with a screw plate 11b fixedly arranged at the lower end of the bottle cap fixing device 10 through a fixing frame 11 a; an air pressure output connecting pipe 14a is arranged on the outer cover 15 containing the sealing ring, the air pressure output connecting pipe 14a is connected with the negative pressure device 13 through the negative pressure connecting pipe 13a, and a precision pressure gauge 14 and a stop valve 19 are arranged on the air pressure output connecting pipe 14 a.
Preferably, the bottle cap fixing means 10 is a circular plate having a through hole at the center thereof, and the fastening means 16 may be a thumb screw.
Specifically, in order to facilitate the movement, the bottom of the bottle body 1 is mounted on the base 9, and the rolling wheel 20 is mounted at the bottom of the base 9.
Specifically, in order to facilitate the lifting and placing of the outer cover 15 containing the sealing ring, the top of the outer cover 15 containing the sealing ring is provided with a handle 3.
Specifically, 1 lateral wall upper portion of bottle still is equipped with the protective housing, is equipped with compressor 6a, circulating pump 6b in the protective housing, and series connection between compressor 6a, circulating pump 6b, the condensing equipment 11 still is equipped with radiator fan 6c on the protective housing.
Preferably, the condensing device 11 is a spiral heat exchange tube, a cooling liquid storage tank 11c filled with cooling liquid 11d is fixed inside the condensing device 11, and the lower part of the cooling liquid storage tank 11c is communicated with the condensing device 11 through a thin tube.
Specifically, the electromagnetic heating device adopts an electronic temperature control plate 7, and the electronic temperature control plate 7 is externally connected with a circuit control panel 7a through a lead.
The pressure resistance and temperature resistance of the bottle body 1 in the embodiment are designed according to the standard GB150, the temperature range is 0-180 ℃, the pressure resistance can be borne by 0-6.0 MPa, and the bottle body 1 is made of corrosion-resistant alloy materials. The specific operating temperature is determined by the boiling point of the organic gas absorbent 17. The top of the bottle body 1 is externally connected with a precision pressure gauge 14 containing a negative pressure range, the pressure range is monitored in real time, and the speed of subsequent absorption operation can be controlled through pressure. The negative pressure device 13 generates negative pressure in the absorption device constantly, so that the mixed gas dispersed by the sand core plate 8 can quickly overflow from the sand core plate 8, and the gas-liquid contact is carried out in a small bubble form to generate chemical reaction, thereby increasing the gas absorption efficiency; when the organic gas is completely absorbed and cooled, the precision pressure gauge 14 displays positive pressure to indicate the internal N of the system 2 、CO 2 When a small amount of gas is not absorbed and organism gas which is not completely absorbed is still remained, the front end of the stop valve 19 is connected with a recovery air bag by a hose, the discharged gas is recovered and subjected to composition detection, whether secondary absorption is needed or not is judged according to the detection result, and the stop valve 19 can be opened to discharge a small amount of N which is not absorbed when the discharged gas has no absorption target gas 2 、CO 2 . The target gas is absorbed to form gas light oil substances, the light oil substances can be subjected to component analysis through detection equipment, and are classified and properly stored according to different components and recovered in a centralized manner.
The utility model discloses a under the control by temperature change condition, improve absorption efficiency from increase gas-liquid area of contact, reduction bubble size and increase gas-liquid contact frequency.
The utility model discloses a theory of operation: pushing the bottle body 1 to move to an absorption gas laboratory, fixing the rolling wheel 20, unscrewing the fastening device 16 with the screw, opening the outer cover 15 containing the sealing ring, closing the liquid discharge valve 5, adding the corresponding organic gas absorbent 17 into the lower part of the bottle body 1, wherein the liquid level of the organic gas absorbent 17 is lowThe position of a lower connecting port of the gas-phase ascending channel 12; installing an outer cover 15 containing a sealing ring, and opening a stop valve 19 to directly communicate the negative pressure device 13 with the interior of the absorption bottle; the negative pressure device 13 is connected with the air pressure output connecting pipe 14a through the negative pressure connecting pipe 13a, in order to keep the inside of the bottle body 1 in a negative pressure state all the time, the circuit control panel 7a is started to set the working temperature of the absorbent, a condensation circulating switch in the circuit control panel 7a is opened according to any temperature value of the boiling point of the organic gas absorbent 17 within 0-180 ℃, the electronic temperature control panel 7 starts to heat, the refrigeration compressor 6a, the circulating pump 6b and the cooling fan 6c start to work, the organic gas absorbent 17 is heated, rises through the gas phase rising channel 12 in a steam form, is condensed by the condensing device 11, and the organic gas absorbent 17 is dripped on the tower plate 18 to be fully contacted and absorbed with the target gas component in the sample gas. The fixing frame 11a and the screw plate 11b are made of corrosion-resistant materials. The sample gas entering the absorption bottle is mixed organic gas, and when the target gas in the sample gas is completely absorbed and cooled, the precision pressure gauge 14 displays positive pressure to indicate that N is inside the absorption bottle 2 A small amount of gas such as water vapor and the like is not absorbed, and in addition, target gas which is not completely absorbed exists; a recovery air bag is connected with the front end of the stop valve 19 by a hose, the discharged air is recovered and subjected to component detection, whether secondary absorption is required or not is judged according to a detection result, and the stop valve 19 can be opened to discharge a small amount of nonabsorbent N when the discharged air has no absorption target air 2 、CO 2 。
Use the utility model discloses a high-efficient absorbing device of organic gas's monitoring data as follows:
taking the liquefied petroleum gas in a tank area and a tower area of a gas gathering station of a certain oil field as an example, the liquefied petroleum gas in the tank area and the tower area of the gas gathering station of the certain oil field is sampled and collected for 20 times in a co-detection field since one month, wherein the residual liquefied petroleum gas is about 70L, and the component contents (C3, C4, C5 and C6) of the liquefied petroleum gas in the tank area and the tower area are different; pass through as the absorbent with tetrachloroethylene the utility model discloses a device is according to carrying the requirement and making a round trip to retrieve liquefied petroleum gas, through the utility model discloses an organic gas dry process of desulfurization in advance before the device is handled, concrete content is as follows:
(1) recovering liquefied petroleum gas (C3, C4, C5 and C6 components)
TABLE 1 comparison table for monitoring absorption data of liquefied petroleum gas by tetrachloroethylene at different times
From the above evaluation data, the utility model discloses an organic gas high efficiency absorption device compares with original device, and the absorption efficiency is high, and simple structure realizes easily; the detection quality is improved, and resources which are most easily ignored in the detection are disposed and recycled.
The above-mentioned embodiment is only one of various embodiments, and those skilled in the art can make other variations or modifications on the basis of the above description, and these other variations or modifications derived from the spirit of the present invention still fall into the protection scope of the present invention.
Claims (10)
1. An apparatus for efficiently recovering organic gas, characterized in that: comprises an absorption bottle, a tower plate, a gas phase ascending channel, a negative pressure device and an electromagnetic heating device; the upper end of the absorption bottle is externally connected with a negative pressure device; a condensing device is arranged at the inner upper part of the absorption bottle, at least two inclined tower plates are arranged at the inner middle part of the absorption bottle, and the tower plates are staggered from top to bottom along the inner wall of the absorption bottle; a gas phase ascending channel which can be communicated with the upper part and the lower part of the absorption bottle is arranged outside the absorption bottle, an upper connecting port of the gas phase ascending channel is positioned between the condensing device and the uppermost tower plate, and a lower connecting port of the gas phase ascending channel is positioned between the lowermost tower plate and the bottom of the absorption bottle; an air inlet pipe and a liquid outlet pipe are arranged on the absorption bottle below the lowermost tower plate, and a liquid discharge valve is arranged on the liquid outlet pipe; the bottom of the absorption bottle is provided with an electromagnetic heating device.
2. An apparatus for efficient recovery of organic gases as defined in claim 1, wherein: the lower part in the absorption bottle is provided with a sand core plate used for dispersing the organic gas entering the absorption bottle.
3. An apparatus for efficient recovery of organic gases according to claim 1 or 2, characterized in that: the absorption bottle comprises a bottle body, an outer cover containing a sealing ring and a bottle cap fixing device, wherein the bottle cap fixing device is integrally arranged at the bottle mouth of the bottle body, and the top of the bottle cap fixing device is fixedly connected with the outer cover containing the sealing ring through at least two fastening devices; the condensing device is fixedly connected with a screw plate fixedly arranged at the lower end of the bottle cap fixing device through a fixing frame; the sealing ring-containing outer cover is provided with an air pressure output connecting pipe, the air pressure output connecting pipe is connected with a negative pressure device through a negative pressure connecting pipe, and the air pressure output connecting pipe is provided with a precision pressure gauge and a stop valve.
4. An apparatus for efficient recovery of organic gases as claimed in claim 3, wherein: the bottle cap fixing device adopts a circular plate with a through hole in the center, and the fastening device can adopt a butterfly bolt.
5. An apparatus for efficient recovery of organic gases as claimed in claim 4, wherein: the bottom of the bottle body is arranged on the base, and the bottom of the base is provided with a rolling wheel.
6. An apparatus for efficient recovery of organic gases as claimed in claim 5, wherein: the top of the outer cover containing the sealing ring is provided with a handle.
7. The apparatus for recovering organic gas with high efficiency according to claim 6, wherein: bottle lateral wall upper portion still is equipped with the protective housing, is equipped with compressor, circulating pump in the protective housing, and series connection between compressor, circulating pump, the condensing equipment still is equipped with radiator fan on the protective housing.
8. An apparatus for efficient recovery of organic gases as claimed in claim 7, wherein: the condensing unit is a spiral heat exchange tube, a cooling liquid storage tank filled with cooling liquid is fixed inside the condensing unit, and the lower part of the cooling liquid storage tank is communicated with the condensing unit through a thin tube.
9. An apparatus for efficient recovery of organic gases as claimed in claim 8, wherein: the electromagnetic heating device adopts an electronic temperature control plate, and the electronic temperature control plate is externally connected with a circuit control panel through a lead.
10. An apparatus for efficient recovery of organic gases as claimed in claim 9, wherein: the bottle body is made of corrosion-resistant alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221528660.3U CN217068310U (en) | 2022-06-20 | 2022-06-20 | Device for efficiently recycling organic gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221528660.3U CN217068310U (en) | 2022-06-20 | 2022-06-20 | Device for efficiently recycling organic gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217068310U true CN217068310U (en) | 2022-07-29 |
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ID=82504184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221528660.3U Active CN217068310U (en) | 2022-06-20 | 2022-06-20 | Device for efficiently recycling organic gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217068310U (en) |
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2022
- 2022-06-20 CN CN202221528660.3U patent/CN217068310U/en active Active
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