CN213012707U - Skid-mounted raw material gas filtering and purifying device - Google Patents

Abstract

The utility model belongs to the technical field of defeated equipment of natural gas exploitation collection and specifically relates to an improve skid-mounted formula feed gas filtration purification device of natural gas filtration separation efficiency, including the purifier jar body that is provided with air inlet and gas outlet, the internal one-level disengagement zone, second grade disengagement zone and the tertiary disengagement zone of having set gradually along natural gas flow direction of flow of purifier jar, wherein, is provided with airflow baffling structure in the one-level disengagement zone, is provided with airflow filtration structure in the second grade disengagement zone, is provided with in the tertiary disengagement zone and removes the liquid separation component. The three-level separation area of the device is set as an independent chamber, so that the phenomenon of gas mixing is effectively prevented, and the separation efficiency is improved. The utility model discloses be particularly useful for the defeated field of natural gas exploitation collection.

Description

Skid-mounted raw material gas filtering and purifying device

Technical Field

The utility model belongs to the technical field of defeated equipment of natural gas exploitation collection and specifically relates to a skid-mounted formula feed gas filtration purification device.

Background

With the rise of the natural gas industry, natural gas exploitation, gathering and transportation projects are more and more, natural gas exploitation working conditions are complex and changeable, and corresponding natural gas purification, gathering and transportation processes are different. The common natural gas purifying, collecting and transporting equipment comprises a gravity separator, a horizontal separator, a desander, a filtering separator, a desulfurizing device, a dehydrating device, a supercharger, a three-phase separator and the like, and has various types, different functions and corresponding specific use environments.

For example, a desulfurization device, a dehydration device and a compressor have high requirements on gas quality, when impurities in natural gas are excessive, the natural gas often pollutes a desulfurizing agent and a dehydrating agent or damages the compressor, the desulfurizing agent and the dehydrating agent have high cost, and the manufacturing cost and the maintenance cost of the compressor are also high, so a filtering separator is generally added in front of the desulfurization device, the dehydration device or the compressor to ensure the gas quality condition of the natural gas.

The structure of the existing filter separator is generally two-stage filtration, wherein one stage of filter element is used for filtration and separation, and the other stage of screen is used for trapping and separation. The filter element filters and separates and mainly removes solid impurities in the natural gas, and the silk screen traps and separates and mainly removes liquid impurities in the natural gas. Under the condition that gas quality is relatively clean, the cleanliness of natural gas entering the lower end process can be effectively guaranteed by the filtering separator. However, when the natural gas is relatively dirty, a series of conditions such as filter element blockage, breakdown, impurity moisture entering downstream and the like easily occur in the filtering separator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a skid-mounted formula feed gas filtration purification device who improves natural gas filtration separation efficiency is provided.

The utility model provides a technical scheme that its technical problem adopted is: skid-mounted formula feed gas filtration purification device, including the purifier jar body that is provided with air inlet and gas outlet, the purifier jar is internal to have set gradually one-level separation district, secondary separation district and tertiary separation district along the natural gas flow direction, and wherein, be provided with airflow baffling structure in the one-level separation district, be provided with airflow filtering structure in the secondary separation district, be provided with in the tertiary separation district and remove the liquid separation component.

Further, the air flow baffling structure is a baffling baffle.

Further, the airflow filtering structure is a filter element.

Further, a first sewage holding tank is included, and the bottom of the primary separation area is communicated with the first sewage holding tank.

Further, a first sewage holding tank is included, and the bottom of the secondary separation area is communicated with the first sewage holding tank.

Further, a second sewage holding tank is included, and the bottom of the tertiary separation area is communicated with the second sewage holding tank.

Further, the sewage treatment device comprises a sewage valve group, and the first sewage holding tank or the second sewage holding tank is communicated with the sewage valve group

Furthermore, a primary separation unidirectional isolation layer structure is arranged between the primary separation area and the secondary separation area.

Further, the device comprises a three-stage separation area through pipe, and the two-stage separation area and the three-stage separation area are communicated through the three-stage separation area through pipe.

Further, the top of the primary separation area is provided with a vent.

The utility model has the advantages that: in actual use, the skid-mounted raw material gas filtering and purifying device is provided with three-stage separation, and the skid-mounted raw material gas filtering and purifying device has the following respective functions: the primary separation area utilizes the airflow baffling structure to forcibly change the flow direction of the airflow, so that large-particle impurities and water drops are collided on the airflow baffling structure to be coalesced, the impurities larger than 50 microns are removed by utilizing gravity sedimentation, and the airflow baffling structure and the airflow direction can be selected to form a specific included angle, so that the separation effect is optimal. The secondary separation area is internally provided with an airflow filtering structure which is formed by compounding materials with different properties, and the impurities with the selective permeability larger than 1 micron are blocked, so that solid impurities are mainly removed, and meanwhile, small-particle water drops are coalesced. And the third separation area is provided with a liquid removal separation member, small particle solid and liquid impurities are coalesced by forcibly changing the direction of airflow for multiple times, and the purpose of separating the impurities with the particle size of 0.3 mu m is achieved by gravity settling. The three-level separation area of the device is set as an independent chamber, so that the phenomenon of gas mixing is effectively prevented, and the separation efficiency is improved. The utility model discloses be particularly useful for the defeated field of natural gas exploitation collection.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a process flow chart of the present invention in actual operation.

Labeled as: the device comprises a gas inlet 1, a gas inlet sampling port 11, a gas outlet 2, a gas outlet sampling port 21, an emptying port 3, an emptying valve group 31, an emptying valve group pipeline 32, a first sewage discharge port 4, a second sewage discharge port 5, a first sewage tank 6, a first sewage tank lower liquid level meter port 61, a first sewage tank upper liquid level meter port 62, a second sewage tank 7, a second sewage tank lower liquid level meter port 71, a second sewage tank upper liquid level meter port 72, a hand hole 8, a first separation area 9, a first separation one-way separation layer structure 91, a second separation area 10, a second and third separation areas 101, a second separation area top chamber 102, a third separation area 11, a third separation area through pipe 111, a sewage valve group 12, a sewage valve group pipeline 121, a control cabinet 13, an input power supply 131, an input signal 132, a liquid level sensor 14, a differential pressure sensor 15 and a pressure gauge 16.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 and 2, the skid-mounted raw material gas filtering and purifying device comprises a purifying device tank body provided with an air inlet 1 and an air outlet 2, wherein a primary separation area 9, a secondary separation area 10 and a tertiary separation area 11 are sequentially arranged in the purifying device tank body along the flowing direction of natural gas, an airflow baffling structure is arranged in the primary separation area 9, an airflow filtering structure is arranged in the secondary separation area 10, and a liquid removing and separating member is arranged in the tertiary separation area 11.

During actual production, all elements in a dotted line frame in fig. 2 are integrally sledded, natural gas enters the tank body of the purification device from the gas inlet 1, and pure natural gas is output from the gas outlet 2 after three-stage separation. Wherein, the air inlet 1, the air outlet 2 and the rear end of the secondary separation area 10 are respectively provided with a pressure gauge 16 for monitoring the operation pressure change condition of the equipment. And pressure difference sensors 15 are respectively arranged between the air inlet 1 and the rear end of the secondary separation area 10 and between the rear end of the secondary separation area 10 and the air outlet 2, and the running pressure difference change condition of the equipment is monitored. The natural gas enters the pollutant holding tank through impurities separated by filtering in the purifying device tank body and then is discharged through the pollutant discharge valve group 12. The blowdown valves 12 are composed of a plurality of valves, have two functions of manual blowdown and automatic blowdown, and all have a double-valve protection mechanism, set up gas leakage safety protection simultaneously, but long-range one key cuts off. The device monitors liquid level through two liquid level sensors 14, and then the control system mainly comprising a control cabinet 13 controls the action of the blowdown valve group 12 through the liquid level condition to realize automatic blowdown. The vent 3 is arranged at the primary separation area 9, and natural gas is vented through the vent valve group 31. The emptying valve group 31 is composed of a plurality of valves, has two functions of overpressure protection emptying and manual emptying, and has a double-valve protection mechanism. The whole set of equipment is provided with a bypass, so that the maintenance and the overhaul are convenient.

In order to reduce the manufacturing cost while ensuring the filtration quality, the following scheme is preferred: the air flow baffling structure is a baffling baffle, and preferably the air flow filtering structure is a filter element.

In order to discharge the impurities filtered out by the separation zone in time, such a scheme may be selected: comprises a first sewage holding tank 6, and the bottom of the primary separation zone 9 is communicated with the first sewage holding tank 6; and preferably a first soil accommodating tank 6, wherein the bottom of the secondary separation zone 10 is communicated with the first soil accommodating tank 6. Based on the same concept, it is also preferable to include a second soil accommodating tank 7, and the bottom of the tertiary separation zone 11 is communicated with the second soil accommodating tank 7. In order to discharge sewage from the first sewage tank 6 or the second sewage tank 7, a sewage valve set 12 can be optionally added, and the first sewage tank 6 or the second sewage tank 7 is communicated with the sewage valve set 12.

Generally, the natural gas flows in the primary 9, secondary 10 and tertiary 11 separation zones. In order to ensure the unidirectionality of the direction when the primary separation area 9 flows to the secondary separation area 10, a primary separation unidirectional isolation layer structure 91 is preferably disposed between the primary separation area 9 and the secondary separation area 10 to ensure the unidirectional flowing direction of the natural gas. As shown in fig. 1, after a second and third separation zone isolation layer 101 is disposed between the second and third separation zones 10 and 11, in order to ensure smooth passing of natural gas, such a scheme is preferred: the device comprises a tertiary separation area through pipe 111, and the secondary separation area 10 is communicated with the tertiary separation area 11 through the tertiary separation area through pipe 111.

The utility model discloses following technical advantage has: firstly, the whole body is sledged, so that the transportation and the installation are convenient; secondly, real-time monitoring and automatic control are carried out; thirdly, classification and grading treatment and multi-stage separation; fourthly, the bypass is arranged, so that the overhaul is convenient; fifthly, the safety protection mechanism is sound. The utility model discloses technical advantage is very obvious, and market promotion prospect is wide.

Claims (10)

1. Skid-mounted formula feed gas filtration purification device, including the purifier jar body that is provided with air inlet (1) and gas outlet (2), its characterized in that: the purifier tank body is internally provided with a primary separation area (9), a secondary separation area (10) and a tertiary separation area (11) in sequence along the flowing direction of natural gas, wherein the primary separation area (9) is internally provided with an airflow baffling structure, the secondary separation area (10) is internally provided with an airflow filtering structure, and the tertiary separation area (11) is internally provided with a liquid removal separation component.

2. The skid-mounted feed gas filtering and purifying device of claim 1, characterized in that: the airflow baffling structure is a baffling baffle.

3. The skid-mounted feed gas filtering and purifying device of claim 1, characterized in that: the airflow filtering structure is a filter element.

4. The skid-mounted feed gas filtering and purifying device of claim 1, characterized in that: comprises a first soil accommodating tank (6), and the bottom of the primary separation area (9) is communicated with the first soil accommodating tank (6).

5. The skid-mounted feed gas filtering and purifying device of claim 1, characterized in that: comprises a first sewage holding tank (6), and the bottom of the secondary separation area (10) is communicated with the first sewage holding tank (6).

6. The skid-mounted feed gas filtering and purifying device of claim 5, characterized in that: comprises a second sewage holding tank (7), and the bottom of the tertiary separation area (11) is communicated with the second sewage holding tank (7).

7. The skid-mounted feed gas filtering and purifying device of claim 6, characterized in that: the sewage treatment device comprises a sewage valve group (12), wherein the first sewage receiving tank (6) or the second sewage receiving tank (7) is communicated with the sewage valve group (12).

8. The skid-mounted feed gas filtration and purification device of claim 1, 2 or 3, wherein: a primary separation unidirectional isolation layer structure (91) is arranged between the primary separation area (9) and the secondary separation area (10).

9. The skid-mounted feed gas filtration and purification device of claim 1, 2 or 3, wherein: the device comprises a three-stage separation area through pipe (111), and the secondary separation area (10) is communicated with the three-stage separation area (11) through the three-stage separation area through pipe (111).

10. The skid-mounted feed gas filtration and purification device of claim 1, 2 or 3, wherein: and the top of the primary separation area (9) is provided with a vent (3).

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