CN214032360U - Heavy hydrocarbon removing device in natural gas liquefaction process - Google Patents
Heavy hydrocarbon removing device in natural gas liquefaction process Download PDFInfo
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- CN214032360U CN214032360U CN202023031998.1U CN202023031998U CN214032360U CN 214032360 U CN214032360 U CN 214032360U CN 202023031998 U CN202023031998 U CN 202023031998U CN 214032360 U CN214032360 U CN 214032360U
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Abstract
The utility model discloses a natural gas liquefaction in-process heavy hydrocarbon desorption device, including base, gas-liquid separation device shell, active carbon adsorption device shell, heating device shell and molecular sieve adsorption device shell, the inside top of gas-liquid separation device shell fixed mounting in proper order has coalescence filter core and coalescence separation layer, the bottom of gas-liquid separation device shell is equipped with the leakage fluid dram, the inside difference fixed mounting of active carbon adsorption device shell has thermodetector and three active carbon adsorption layers of group, the inside fixed mounting in proper order of heating device shell has combustion heater and heat exchanger, one side of spark arrester is through blast pipe fixedly connected with air make-up fan, the inside fixed mounting of molecular sieve adsorption device shell has the molecular sieve adsorption bed. The utility model discloses an activated carbon adsorption layer and condensate pump and combustion heater and molecular sieve adsorption bed have improved the desorption precision of device desorption heavy hydrocarbon.
Description
Technical Field
The utility model relates to a natural gas liquefaction processing technology field specifically is a natural gas liquefaction in-process heavy hydrocarbon desorption device.
Background
The natural gas all must pass through degree of depth preliminary treatment before the liquefaction, wherein include the heavy hydrocarbon component that the desorption contains, thereby effectively avoid the natural gas to arouse in liquefaction process impurity and freeze stifled, especially when heavy hydrocarbon component continues follow-up processing operation in the incomplete condition of desorption and will lead to the pipeline of follow-up natural gas condensation processing operation to block up, thereby influenced the processing production of natural gas, need a natural gas liquefaction in-process heavy hydrocarbon desorption device now, but there are many problems or defects in the heavy hydrocarbon desorption device among the current natural gas liquefaction process:
1. the existing heavy hydrocarbon removal mode of natural gas is too single, and incomplete heavy hydrocarbon removal in the natural gas processing process is easy to occur, so that the quality of the processed natural gas is not too high due to the influence on the subsequent processing of the natural gas, and the working efficiency of natural gas processing is reduced;
2. and the existing removing device has single function, can not recycle energy, and reduces the environmental protection performance of the removing device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas liquefaction in-process heavy hydrocarbon desorption device to solve the problem that the desorption device work efficiency who provides is low among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a heavy hydrocarbon removing device in a natural gas liquefaction process comprises a base, a gas-liquid separation device shell, an active carbon adsorption device shell, a heating device shell and a molecular sieve adsorption device shell, wherein the gas-liquid separation device shell, the active carbon adsorption device shell, the heating device shell and the molecular sieve adsorption device shell are sequentially installed at the top of the base from one side to the other side, a coalescence filter element and a coalescence separation layer are sequentially and fixedly installed at the top of the interior of the gas-liquid separation device shell, a liquid collection cavity is arranged at the bottom of the interior of the gas-liquid separation device shell, a liquid discharge port is arranged at the bottom of the interior of the gas-liquid separation device shell, a temperature detector and three active carbon adsorption layers are respectively and fixedly installed in the interior of the active carbon adsorption device shell, a condensing pump placed at the top of the base is fixedly installed at the top of one side of the active carbon adsorption device shell through a cold air conveying pipe, the inside of heating device shell fixed mounting in proper order has combustion heater and heat exchanger, and fixed mounting has the spark arrester that the cooperation was used on heating device shell and active carbon adsorption device shell fixed connection's the gas delivery pipe, the blast pipe fixedly connected with tonifying cold air blower is passed through to one side of spark arrester, the bottom at the top of heating device shell one side fixed mounting respectively has hot water delivery port and cold water inlet, the inside fixed mounting of molecular sieve adsorption device shell has the molecular sieve adsorption bed.
Preferably, the bottom of one side of the shell of the gas-liquid separation device is provided with a gas-liquid inlet which is matched with the shell of the molecular sieve adsorption device, one side of the bottom of the shell of the molecular sieve adsorption device is provided with a gas outlet which is matched with the shell of the molecular sieve adsorption device, and the gas-liquid inlet, the gas outlet, the liquid discharge port and a gas conveying pipe which is connected with the shell of the heating device and the shell of the molecular sieve adsorption device are fixedly provided with manual control valves which are matched with the shell of the molecular sieve adsorption device.
Preferably, the gas-liquid separation device shell and the activated carbon adsorption device shell, the activated carbon adsorption device shell and the heating device shell, and the heating device shell and the molecular sieve adsorption device shell are fixedly connected through a gas conveying pipe, and a three-way connecting pipe matched for use is arranged on the gas conveying pipe.
Preferably, the front fixed mounting of active carbon adsorption device shell has control panel, and control panel pass through the wire respectively with benefit air-cooler, condensate pump, thermodetector, spark arrester, combustion heater and heat exchanger electric connection.
Preferably, the gas-liquid separation device shell and the base and the molecular sieve adsorption device shell and the base are fixedly installed through frame-shaped support frames, and the activated carbon adsorption device shell and the base and the heating device shell and the base are fixedly installed through supporting legs.
Compared with the prior art, the utility model discloses an innovation point effect is: this heavy hydrocarbon desorption device in natural gas liquefaction process is rational in infrastructure, has following advantage:
(1) through the matching use of the activated carbon adsorption layer, the condensation pump, the combustion heater and the molecular sieve adsorption bed, the heavy hydrocarbon removal operation of the natural gas in liquefaction can be simultaneously carried out through two modes of low-temperature separation and solid adsorption, the quality of heavy hydrocarbon removal is ensured, the situation that the subsequent processing operation of the natural gas is influenced due to incomplete heavy hydrocarbon removal caused by too single removal mode of the natural gas in the heavy hydrocarbon removal process is avoided, and the practicability of the device is improved;
(2) the heat exchanger arranged in the shell of the heating device enables the heat energy generated by natural gas in the heavy hydrocarbon removal process to heat the cold water entering from the cold water inlet, and the cold water is led out from the hot water outlet for use after being heated, so that the heat energy can be utilized secondarily, the resource waste caused by automatic dissipation of the heat generated in the heavy hydrocarbon removal process is avoided, the purpose of recycling the energy of the device is achieved, and the integral environmental protection performance of the device is improved;
(3) through the thermodetector that is equipped with in the active carbon adsorption device shell, the in-process of desorption is cooling down to the natural gas in the active carbon adsorption device shell, the staff of being convenient for masters the temperature in the active carbon adsorption device shell at any time, when the temperature in the active carbon adsorption device shell is less than or is higher than the numerical value of originally setting for, thermodetector can give control panel with signal transmission through the wire, make the staff adjust the temperature, the in-process temperature of having avoided low temperature desorption is crossed low excessively or too high and the condition that has influenced the effect of heavy hydrocarbon desorption takes place, the usability of device has been improved.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a first partial front view structural diagram of the present invention;
fig. 4 is a second partial front view structural diagram of the present invention.
In the figure: 1. a base; 101. a gas-liquid inlet; 102. an air outlet; 103. a manual control valve; 104. supplementing a cold air blower; 105. an air supply pipe; 2. a gas-liquid separation device housing; 201. a coalescing filter element; 202. coalescing a separation layer; 203. a liquid collection cavity; 204. a liquid discharge port; 205. a gas delivery pipe; 206. a three-way connecting pipe; 3. an activated carbon adsorption device housing; 301. an activated carbon adsorption layer; 302. a condensate pump; 303. a temperature detector; 304. a cold air delivery pipe; 4. a heating device housing; 401. a flame arrestor; 402. a combustion heater; 403. a heat exchanger; 404. supporting legs; 405. a cold water inlet; 406. a hot water outlet; 5. a molecular sieve adsorbent device housing; 501. a molecular sieve adsorbent bed; 502. a frame-shaped support frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a heavy hydrocarbon removing device in a natural gas liquefaction process comprises a base 1, a gas-liquid separation device shell 2, an activated carbon adsorption device shell 3, a heating device shell 4 and a molecular sieve adsorption device shell 5, wherein the gas-liquid separation device shell 2, the activated carbon adsorption device shell 3, the heating device shell 4 and the molecular sieve adsorption device shell 5 are sequentially installed at the top of the base 1 from one side to the other side, a coalescence filter element 201 and a coalescence separation layer 202 are sequentially and fixedly installed at the top inside the gas-liquid separation device shell 2, a liquid collection cavity 203 is arranged at the bottom inside the gas-liquid separation device shell 2, a liquid discharge port 204 is arranged at the bottom of the gas-liquid separation device shell 2, and a gas-liquid inlet 101 matched with the gas-liquid separation device shell 2 is arranged at the bottom of one side of the gas-liquid separation device shell 2;
specifically, the inside of the active carbon adsorption device shell 3 is respectively and fixedly provided with a temperature detector 303 and three active carbon adsorption layers 301, the temperature detector 303 arranged in the active carbon adsorption device shell 3 is used for facilitating the working personnel to master the temperature in the active carbon adsorption device shell 3 at any time in the process of cooling and removing the natural gas in the active carbon adsorption device shell 3, when the temperature in the active carbon adsorption device shell 3 is lower than or higher than the originally set value, the temperature detector 303 can send a signal to a control panel through a lead, so that the working personnel can adjust the temperature, the situation that the effect of removing heavy hydrocarbon is influenced due to too low or too high temperature in the process of removing the heavy hydrocarbon at low temperature is avoided, the top of one side of the active carbon adsorption device shell 3 is fixedly provided with a condensation pump 302 arranged at the top of the base 1 through a cold air delivery pipe 304, the front surface of the active carbon adsorption device shell 3 is fixedly provided with a control panel, the control panel is respectively and electrically connected with the air supplementing fan 104, the condensation pump 302, the temperature detector 303, the flame arrester 401, the combustion heater 402 and the heat exchanger 403 through leads, and the model of the condensation pump 302 is BW series;
specifically, a combustion heater 402 and a heat exchanger 403 are sequentially and fixedly installed inside the heating device housing 4, by the heat exchanger 403 arranged in the heating device shell 4, the heat energy generated by the natural gas in the heavy hydrocarbon removal process can heat the cold water entering from the cold water inlet 405, and the cold water is led out from the hot water outlet 406 for use after being heated, so that the heat energy can be utilized for the second time, the resource waste caused by the automatic dissipation of the heat generated in the heavy hydrocarbon removal process is avoided, the purpose of recycling the energy of the device is achieved, a flame arrester 401 which is matched with the heating device shell 4 and the gas conveying pipe 205 fixedly connected with the activated carbon adsorption device shell 3 is fixedly installed on the gas conveying pipe 205, one side of the flame arrester 401 is fixedly connected with an air supply fan 104 through an air supply pipe 105, and the bottom of the top of one side of the heating device shell 4 is respectively and fixedly provided with a hot water outlet 406 and a cold water inlet 405;
specifically, a molecular sieve adsorption bed 501 is fixedly arranged inside the shell 5 of the molecular sieve adsorption device, through the cooperation of the activated carbon adsorption layer 301 and the condensate pump 302 with the combustion heater 402 and the molecular sieve adsorption bed 501, so that the heavy hydrocarbon removal operation of the natural gas in the liquefaction can be simultaneously carried out through two modes of low-temperature separation and solid adsorption, the quality of the heavy hydrocarbon removal is ensured, the condition that the subsequent processing operation of the natural gas is influenced due to incomplete heavy hydrocarbon removal caused by too single removal mode in the heavy hydrocarbon removal process of the natural gas is avoided, one side of the bottom of the shell 5 of the molecular sieve adsorption device is provided with a gas outlet 102 which is matched with the molecular sieve adsorption device, and the gas-liquid inlet 101, the gas outlet 102, the liquid outlet 204 and the gas delivery pipe 205 connecting the heating device shell 4 and the molecular sieve adsorption device shell 5 are all fixedly provided with the manual control valve 103 which is matched for use;
specifically, gas delivery pipe 205 is used for fixedly connecting gas-liquid separation device shell 2 and activated carbon adsorption device shell 3, activated carbon adsorption device shell 3 and heating device shell 4, and heating device shell 4 and molecular sieve adsorption device shell 5, and three-way connection pipe 206 used in cooperation is arranged on gas delivery pipe 205, frame-shaped support frame 502 is used for fixedly mounting between gas-liquid separation device shell 2 and base 1 and between molecular sieve adsorption device shell 5 and base 1, and support legs 404 are used for fixedly mounting between activated carbon adsorption device shell 3 and base 1 and between heating device shell 4 and base 1.
The working principle is as follows: when the natural gas separation device is used, firstly, natural gas needing to be desorbed is transferred into the gas-liquid separation device shell 2 to be subjected to primary gas-liquid separation by opening the manual control valve 103 on the gas-liquid inlet 101, after the natural gas enters the gas-liquid separation device shell 2, gravity separation is firstly carried out, slightly large heavy hydrocarbon with liquid passes through the coalescing filter element 201, as the coalescing filter element 201 adopts hydrophilic materials, small water drops are adsorbed on the surface of a filter layer to cause coalescence of the water drops, and are subjected to the action of kinetic energy, the small water drops compete to pass through open pores to gradually converge into large liquid drops, and settle under the action of gravity to be separated from the heavy hydrocarbon, the heavy hydrocarbon passing through the coalescing filter element 201 still has water drops with smaller sizes to move forwards to the coalescing separation layer 202 under the action of inertia, the coalescing separation layer 202 is made of special hydrophobic materials, when the liquid passes through the coalescing separation layer 202, the liquid is coalesced to flow to the liquid collecting cavity 203, and the heavy hydrocarbon flows towards the direction through the coalescing separation layer 202 to be discharged by the coalescing filter element Go out, rethread control panel starts the cryogenic pump 304 and begins the operation and reduce the temperature in the active carbon adsorption device shell 3, thereby reduce the pressure and the temperature of heavy hydrocarbon and improve the desorption precision of heavy hydrocarbon through layer upon layer active carbon adsorption layer 301, gas after the desorption of active carbon adsorption layer 301 is heating regeneration through the cooperation use of combustion heater 402 with heat exchanger 403 in entering into heating device shell 4 along gas delivery pipe 205, later reentrant molecular sieve adsorption device shell 5 in carry out final heavy hydrocarbon desorption through molecular sieve adsorption bed 501, later again from the gas outlet 102 of molecular sieve adsorption device shell 5 side by pass to external equipment storage or carry out the processing operation on next step, the holistic desorption effect of device has been improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a heavy hydrocarbon desorption device in natural gas liquefaction process, includes base (1), gas-liquid separation device shell (2), activated carbon adsorption device shell (3), heating device shell (4) and molecular sieve adsorption device shell (5), its characterized in that: the device is characterized in that a gas-liquid separation device shell (2), an activated carbon adsorption device shell (3), a heating device shell (4) and a molecular sieve adsorption device shell (5) are sequentially installed at the top of the base (1) from one side to the other side, a coalescing filter element (201) and a coalescing separation layer (202) are sequentially and fixedly installed at the top of the inside of the gas-liquid separation device shell (2), a liquid collection cavity (203) is arranged at the bottom of the inside of the gas-liquid separation device shell (2), a liquid discharge port (204) is arranged at the bottom of the gas-liquid separation device shell (2), a temperature detector (303) and three groups of activated carbon adsorption layers (301) are respectively and fixedly installed in the inside of the activated carbon adsorption device shell (3), and a condensing pump (302) placed at the top of the base (1) is fixedly installed at the top of one side of the activated carbon adsorption device shell (3) through a cold air conveying pipe (304), the inside of heating device shell (4) fixed mounting in proper order has combustion heater (402) and heat exchanger (403), and goes up fixed mounting on heating device shell (4) and activated carbon adsorption device shell (3) fixed connection's gas delivery pipe (205) and have spark arrester (401) that the cooperation was used, blast pipe (105) fixedly connected with benefit air cooler (104) are passed through to one side of spark arrester (401), the bottom at the top of heating device shell (4) one side fixed mounting respectively has hot water delivery port (406) and cold water inlet (405), the inside fixed mounting of molecular sieve adsorption device shell (5) has molecular sieve adsorption bed (501).
2. The heavy hydrocarbon removal device in the natural gas liquefaction process of claim 1, characterized in that: the bottom of one side of the gas-liquid separation device shell (2) is provided with a gas-liquid inlet (101) which is matched with the gas-liquid separation device shell, one side of the bottom of the molecular sieve adsorption device shell (5) is provided with a gas outlet (102) which is matched with the gas-liquid separation device shell, and the gas-liquid inlet (101), the gas outlet (102), the liquid discharge port (204), and a gas conveying pipe (205) which is connected with the molecular sieve adsorption device shell (5) through the heating device shell (4) are fixedly provided with manual control valves (103) which are matched with the gas-liquid separation device shell.
3. The heavy hydrocarbon removal device in the natural gas liquefaction process of claim 1, characterized in that: the gas-liquid separation device shell (2) and the activated carbon adsorption device shell (3) as well as the activated carbon adsorption device shell (3) and the heating device shell (4) as well as the heating device shell (4) and the molecular sieve adsorption device shell (5) are fixedly connected through a gas conveying pipe (205), and a three-way connecting pipe (206) matched with the gas conveying pipe (205) is arranged on the gas conveying pipe.
4. The heavy hydrocarbon removal device in the natural gas liquefaction process of claim 1, characterized in that: the front fixed mounting of active carbon adsorption device shell (3) has control panel, and control panel pass through the wire respectively with benefit air-cooler (104), condensate pump (302), thermodetector (303), spark arrester (401), combustion heater (402) and heat exchanger (403) electric connection.
5. The heavy hydrocarbon removal device in the natural gas liquefaction process of claim 1, characterized in that: the gas-liquid separation device is characterized in that a space between the gas-liquid separation device shell (2) and the base (1) and a space between the molecular sieve adsorption device shell (5) and the base (1) are fixedly installed through frame-shaped supporting frames (502), and a space between the activated carbon adsorption device shell (3) and the base (1) and a space between the heating device shell (4) and the base (1) are fixedly installed through supporting legs (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023031998.1U CN214032360U (en) | 2020-12-16 | 2020-12-16 | Heavy hydrocarbon removing device in natural gas liquefaction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023031998.1U CN214032360U (en) | 2020-12-16 | 2020-12-16 | Heavy hydrocarbon removing device in natural gas liquefaction process |
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| Publication Number | Publication Date |
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| CN214032360U true CN214032360U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023031998.1U Active CN214032360U (en) | 2020-12-16 | 2020-12-16 | Heavy hydrocarbon removing device in natural gas liquefaction process |
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| CN (1) | CN214032360U (en) |
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- 2020-12-16 CN CN202023031998.1U patent/CN214032360U/en active Active
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