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CN-111876212-B - Natural gas exploitation degritting water trap

CN111876212BCN 111876212 BCN111876212 BCN 111876212BCN-111876212-B

Abstract

The invention discloses a natural gas exploitation desanding and dewatering device, wherein a fog outlet cover is arranged on the upper surface inside a desanding box, a water tank and an atomizing pump are both arranged on the upper surface of the desanding box, a liquid outlet of the water tank is connected with a liquid inlet of the atomizing pump, a fog outlet of the atomizing pump is connected with one end of a fog pipe, the other end of the fog pipe is connected with a fog inlet of the fog outlet cover, a water filling hole is formed in the water tank, an air inlet of a desanding pipe is communicated with the desanding box through an air outlet pipe, the dewatering box is arranged on the upper surface of a bottom plate, an air inlet of the desanding tank is connected with an air outlet of the desanding pipe, and a high-voltage electrostatic field generator is arranged in the dewatering box, so that small-particle gravels in natural gas can be removed.

Inventors

  • LIU LAN

Assignees

  • 梁红云
  • 梁红云

Dates

Publication Date
20210611
Application Date
20200822
Priority Date
20200822

Claims (8)

  1. 1. The utility model provides a natural gas exploitation degritting water trap which characterized in that: comprises a bottom plate (1), a desanding unit (3) and a dewatering unit (4); base plate (1): the upper surface of the sand removing box (2) is provided with a fog outlet cover (18); a desanding unit (3): the sand removing device comprises a water tank (31), a fog pipe (32), an atomizing pump (33) and a filter tank (34), wherein the filter tank (34) is arranged on the side wall of a sand removing box (2), an air outlet of the filter tank (34) is communicated with the sand removing box (2) through a connecting pipe, a filter screen is arranged in the filter tank (34), the water tank (31) and the atomizing pump (33) are both arranged on the upper surface of the sand removing box (2), a liquid outlet of the water tank (31) is connected with a liquid inlet of the atomizing pump (33), a fog outlet of the atomizing pump (33) is connected with one end of the fog pipe (32), the other end of the fog pipe (32) is connected with a fog inlet of a fog outlet cover (18), and a water adding hole is formed; water removal unit (4): the drying device comprises an air outlet pipe (41), a water removing pipe (42) and a water removing tank (43), wherein the water removing pipe (42) is arranged on the side wall of the sand removing box (2), a drying filter element is arranged in the water removing pipe (42), an air inlet of the water removing pipe (42) is communicated with the sand removing box (2) through the air outlet pipe (41), the water removing tank (43) is arranged on the upper surface of the bottom plate (1), an air inlet of the water removing tank (43) is connected with an air outlet of the water removing pipe (42), and a high-voltage electrostatic field generator (19) is arranged in the water removing; the sand removing device comprises a sand removing box (2), and is characterized by further comprising a control switch group (9) which is arranged on the upper surface of the sand removing box (2), wherein the input end of the control switch group (9) is electrically connected with the output end of an external power supply, and the output end of the control switch group (9) is electrically connected with the input ends of an atomizing pump (33) and a high-voltage electrostatic field generator (19).
  2. 2. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the novel electric heating plate is characterized by further comprising four mounting plates (5) and mounting bolts (6), wherein the four mounting plates (5) are respectively arranged at four corners of the bottom plate (1), and the mounting bolts (6) are arranged on the mounting plates (5).
  3. 3. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the sand removing box is characterized by further comprising an observation groove (7) and observation glass (8), wherein the observation groove (7) is formed in the side wall of the sand removing box (2), the observation glass (8) is arranged in the observation groove (7), and the observation glass (8) is toughened glass.
  4. 4. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the water tank is characterized by further comprising a piston (10) which is arranged in a water adding hole in the water tank (31), and the piston (10) is a rubber piston.
  5. 5. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the water draining device is characterized by further comprising a water draining valve (11) and a water draining pipe (12), wherein the water draining pipe (12) is arranged on the side wall of the water removing tank (43), one end of the water draining pipe (12) is communicated with the water removing tank (43), and the other end of the water draining pipe (12) is provided with the water draining valve (11).
  6. 6. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the water removing device is characterized by further comprising an exhaust pipe (13) and an exhaust joint (14), wherein the exhaust pipe (13) is arranged on the side wall of the water removing tank (43), one end of the exhaust pipe (13) is communicated with the water removing tank (43), and the other end of the exhaust pipe (13) is provided with the exhaust joint (14).
  7. 7. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the sand removing device is characterized by further comprising a conveying pump (15) which is arranged on the side wall of the sand removing box (2), a feeding hole of the conveying pump (15) is communicated with the sand removing box (2) through a connecting pipe, and the input end of the conveying pump (15) is electrically connected with the output end of the control switch group (9).
  8. 8. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the filter box is characterized by further comprising an air inlet pipe (16) and an air inlet connector (17), wherein the air inlet pipe (16) is arranged on the side wall of the filter box (34), one end of the air inlet pipe (16) is communicated with the filter box (34), and the other end of the air inlet pipe (16) is provided with the air inlet connector (17).

Description

Natural gas exploitation degritting water trap Technical Field The invention relates to the technical field of natural gas exploitation, in particular to a sand and water removing device for natural gas exploitation. Background The natural gas is also buried in an underground closed geological structure like crude oil, some natural gas and crude oil are stored in the same layer, some natural gas and crude oil exist independently, the natural gas and the crude oil which are stored in the same layer can be exploited along with the crude oil, and for the natural gas which only exists in a single phase, the natural gas is called a gas reservoir, the exploitation method of the gas reservoir is very similar to that of the crude oil, and the gas reservoir also has special places, and the natural gas needs to be subjected to sand removal and water removal during exploitation; the current application number is CN201821884307.2 discloses a natural gas exploitation sand removal water trap, through with the inside cavity that admits air that divides of device main part, go husky cavity and dehydration cavity, the natural gas of having made things convenient for mining to go on sand and dehydration operation, one-way valve makes the natural gas can only get into the admission line, prevent the wasting of resources, first whirl desander, second whirl desander, the combined action of third whirl desander is got rid of the silt that carries in the natural gas, the aspirator pump has accelerated the efficiency of natural gas dehydration, the control of each instrument is made things convenient for in setting up of control screen, but set up like this and can not detach the tiny particle grit in the natural gas, the effect of degritting is not good, and, when carrying out the dewatering, only carry out the dewatering through filterable mode, the effect of dewatering is not good, do not have the practicality. Disclosure of Invention The invention aims to overcome the defects in the prior art, and provides a desanding and dewatering device for natural gas exploitation, which can remove small-particle sand stones in natural gas, has a good desanding effect, can comprehensively dewater through filtration and an electrostatic field, has a good dewatering effect and practicability, and can effectively solve the problems in the background art. In order to achieve the purpose, the invention provides the following technical scheme: a natural gas exploitation desanding and dewatering device comprises a bottom plate, a desanding unit and a dewatering unit; a bottom plate: the upper surface of the sand removing box is provided with a sand removing box, and the upper surface inside the sand removing box is provided with a fog outlet cover; a sand removing unit: the filter box is arranged on the side wall of the sand removing box, an air outlet of the filter box is communicated with the sand removing box through a connecting pipe, a filter screen is arranged in the filter box, the water tank and the atomizing pump are both arranged on the upper surface of the sand removing box, an liquid outlet of the water tank is connected with a liquid inlet of the atomizing pump, a mist outlet of the atomizing pump is connected with one end of the mist pipe, the other end of the mist pipe is connected with a mist inlet of the mist outlet cover, and a water filling hole is formed in the water tank; a water removal unit: the drying device comprises an air outlet pipe, a dewatering pipe and a dewatering tank, wherein the dewatering pipe is arranged on the side wall of a dewatering box, a drying filter element is arranged in the dewatering pipe, an air inlet of the dewatering pipe is communicated with the dewatering box through the air outlet pipe, the dewatering tank is arranged on the upper surface of a bottom plate, an air inlet of the dewatering tank is connected with an air outlet of the dewatering pipe, and a high-voltage electrostatic field generator is arranged in the dewatering tank; the device also comprises a control switch group which is arranged on the upper surface of the sand removing box, the input end of the control switch group is electrically connected with the output end of an external power supply, and the output end of the control switch group is electrically connected with the input ends of the atomizing pump and the high-voltage electrostatic field generator; when the natural gas dehydration device is used, natural gas is introduced into the filter box, large-particle sand stones in the natural gas can be filtered through the filter screen in the filter box, then the natural gas can enter the sand removing box, the atomizing pump is started, the atomizing pump can pump water from the water box and atomize the water, then the water mist can enter the sand removing box through the mist pipe, the water mist can humidify the sand stones, the quality of the sand stones can be increased, the sand stones can be settled in the sand removin