CN213146109U

CN213146109U - Gas pipeline hydrate draining device

Info

Publication number: CN213146109U
Application number: CN202021252654.0U
Authority: CN
Inventors: 于范易
Original assignee: Qingdao Iwei Gas Pingdu Co ltd
Current assignee: Qingdao Iwei Gas Pingdu Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-05-07
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a natural gas line hydrate exhaust apparatus, including first intake pipe, first intake pipe one end and the welding of first dry mechanism one side inner wall mutually, and first dry mechanism keep away from first intake pipe one side inner wall welding and have first outlet duct, the welding has the second intake pipe on the inner wall of first intake pipe top, and the second intake pipe keeps away from first intake pipe one end and the welding of second dry mechanism one side inner wall mutually, the welding has the second outlet duct on the dry mechanism of second keeps away from second intake pipe one side inner wall, and the second outlet duct keeps away from dry mechanism one end of second and welds mutually with first outlet duct top inner wall. The utility model discloses at the dry mechanism that pipeline kneck set up, the inside drier of dry mechanism can avoid generating the hydrate with the moisture absorption that contains in the natural gas, and the heating cabinet can heat for dry mechanism simultaneously, makes the crystallization that has generated the hydrate decompose.

Description

Gas pipeline hydrate draining device

Technical Field

The utility model relates to a clean discharge apparatus technical field especially relates to natural gas line hydrate clean discharge apparatus.

Background

At present, the comparatively commonly used transport mode of natural gas is for carrying through natural gas line, and the in-process that the natural gas was carried in the pipeline can be with the water formation natural gas hydrate crystallization of compriseing brilliant package, along with the growth of crystallization, coalescence, deposit, if can not effectively arrange completely, then natural gas hydrate will cause the jam to natural gas conveying line, makes the natural gas normally carry, can lead to the pipe blockage accident when serious, causes great economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gas pipeline hydrate drainage device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the natural gas pipeline hydrate draining device comprises a first gas inlet pipe, one end of the first gas inlet pipe is welded with the inner wall of one side of a first drying mechanism, a first gas outlet pipe is welded on the inner wall of one side, away from the first gas inlet pipe, of the first drying mechanism, a second gas inlet pipe is welded on the inner wall of the top of the first gas inlet pipe, one end, away from the first gas inlet pipe, of the second gas inlet pipe is welded with the inner wall of one side of a second drying mechanism, a second gas outlet pipe is welded on the inner wall of one side, away from the second gas inlet pipe, of the second gas outlet pipe, one end, away from the second drying mechanism, of the second gas inlet pipe is welded with the inner wall of the top of the first gas outlet pipe, boxes are arranged in the first drying mechanism and the second drying mechanism, net cages distributed equidistantly are welded between the upper inner wall and the lower inner wall of the boxes, and the air inlet end of the air pump is communicated with the inner wall of the box body through a third air inlet pipe, the air outlet end of the air pump is connected with a third air outlet pipe, one end of the air pump is far away from the third air outlet pipe in the first drying mechanism and is welded with the inner wall of the top of the first air outlet pipe, and one end of the air pump is far away from the third air outlet pipe in the second drying mechanism and is welded with the inner wall of the top of the second air outlet pipe.

Preferably, the drying agents are placed in all six net cages, openings are formed in the outer walls of one sides of all six net cages, and grid plates are hinged in the openings.

Preferably, the heating box is provided with a cooling liquid, and the volume of the cooling liquid is one third to one half of the volume of the heating box.

Preferably, the valves are installed at the ends, close to the first drying mechanism, of the first air inlet pipe and the first air outlet pipe respectively, and the valves are installed at the ends, close to the second drying mechanism, of the second air inlet pipe and the second air outlet pipe respectively.

Preferably, two the installation mouth has all been opened to the box front outer wall, and all installs the door plant in the installation mouth, bonds on the door plant back outer wall and has the sealing washer.

Preferably, the heating wires and the air pump in the first drying mechanism and the second drying mechanism are connected with a switch through wires, and the switch is connected with a power line.

The utility model has the advantages that:

1. the drying mechanism that sets up at pipeline interface department, the inside drier of drying mechanism can avoid producing the hydrate with the moisture absorption that contains in the natural gas, and the heating cabinet can heat for drying mechanism simultaneously, makes the crystallization that has produced the hydrate decompose.

2. The device is equipped with two drying mechanism, can be in the later stage with when trading the drier in the first drying mechanism, close the valve of first intake pipe and first outlet duct, open the valve of second intake pipe and second outlet duct, make the transport of natural gas not interrupt.

Drawings

Fig. 1 is a schematic structural diagram of a hydrate drainage device for a natural gas pipeline according to the present invention;

fig. 2 is a schematic structural view of a drying mechanism of the gas pipeline hydrate discharging device provided by the present invention;

fig. 3 is a front view of the hydrate discharging device for natural gas pipeline according to the present invention.

In the figure: 1 first intake pipe, 2 first dry mechanism, 3 first outlet ducts, 4 second intake pipes, 5 second dry mechanism, 6 second outlet ducts, 7 box, 8 net cages, 9 heating cabinet, 10 heating wires, 11 aspiration pump, 12 third intake pipes, 13 third outlet ducts, 14 door plant.

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.

Referring to fig. 1-3, the gas pipeline hydrate draining device comprises a first gas inlet pipe 1, wherein one end of the first gas inlet pipe 1 is welded with the inner wall of one side of a first drying mechanism 2, a first gas outlet pipe 3 is welded on the inner wall of one side of the first drying mechanism 2 far away from the first gas inlet pipe 1, valves are respectively arranged at one ends of the first gas inlet pipe 1 and the first gas outlet pipe 3 close to the first drying mechanism 2, valves are respectively arranged at one ends of a second gas inlet pipe 4 and a second gas outlet pipe 6 close to a second drying mechanism 5, a second gas inlet pipe 4 is welded on the inner wall of the top of the first gas inlet pipe 1, one end of the second gas inlet pipe 4 far away from the first gas inlet pipe 1 is welded with the inner wall of one side of the second drying mechanism 5, a second gas outlet pipe 6 is welded on the inner wall of one side of the second drying mechanism 5 far away from the second gas inlet pipe 4, and one, the first drying mechanism 2 and the second drying mechanism 5 both comprise box bodies 7, mounting openings are formed in the front outer walls of the two box bodies 7, door plates 14 are mounted in the mounting openings, sealing rings are bonded on the back outer walls of the door plates 14, net boxes 8 which are distributed equidistantly are welded between the upper inner walls and the lower inner walls of the box bodies 7, drying agents are placed in the six net boxes 8, openings are formed in the outer walls of one sides of the six net boxes 8, grid plates are hinged in the openings, a heating box 9 is sleeved on the box bodies 7, cooling liquid is filled in the heating box 9, the volume of the cooling liquid is one third to one half of the volume of the heating box 9, heating wires 10 are welded on the inner walls of the upper side and the lower side of the heating box 9, the heating wires 10 and the air suction pump 11 in the first drying mechanism 2 and the second drying mechanism 5 are both connected with switches through wires, and, air extracting pump 11 is installed to 9 top outer wall one ends of heating cabinet, and 11 inlet ends of air extracting pump are linked together through

third inlet tube

12 and 7 inner walls of box, air extracting pump 11 gives vent to anger the end and is connected with third outlet duct 13, and 3 top inner walls of outlet duct and first outlet duct are kept away from 11 one end of air extracting pump and welding mutually in third outlet duct 13 in the first drying mechanism 2, 11 one end of air extracting pump and 6 top inner walls of second outlet duct are kept away from to third outlet duct 13 in the second drying mechanism 5.

The working principle is as follows: when the natural gas is conveyed, the valves of the first air inlet pipe 1 and the second air inlet pipe 3 are opened, the natural gas passes through the first drying mechanism 2 and is connected with an electric heating wire switch power cord in the first drying mechanism 2, moisture contained in the natural gas can be absorbed by the drying agent, meanwhile, the temperature in the first drying mechanism 2 is increased, so that the crystallized hydrate can be heated and decomposed, when the drying agent in the first drying mechanism 2 is replaced, the valves of the first air inlet pipe 1 and the first air outlet pipe 3 are closed, the valves of the second air inlet pipe 4 and the second air outlet pipe 6 are opened, at this time, the natural gas passes through the second drying mechanism 2, is connected with the power line of the air pump 11 in the first drying mechanism 2, pumps out the residual natural gas in the first drying mechanism 2 and discharges the residual natural gas into the first air outlet pipe 3, the door 14 is opened to replace the drying agent in the net cage 8, and the steps are repeated when maintenance is needed in the second drying mechanism 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The natural gas pipeline hydrate draining device comprises a first gas inlet pipe (1) and is characterized in that one end of the first gas inlet pipe (1) is welded with the inner wall of one side of a first drying mechanism (2), a first gas outlet pipe (3) is welded on the inner wall of one side, away from the first gas inlet pipe (1), of the first drying mechanism (2), a second gas inlet pipe (4) is welded on the inner wall of the top of the first gas inlet pipe (1), one end, away from the first gas inlet pipe (1), of the second gas inlet pipe (4) is welded with the inner wall of one side of a second drying mechanism (5), a second gas outlet pipe (6) is welded on the inner wall of one side, away from the second gas inlet pipe (4), of the second gas outlet pipe (6), one end, away from the second drying mechanism (5), of the second gas outlet pipe (5) is welded with the inner wall of the top of the first gas outlet pipe (3), and boxes (7) are arranged in the, and the welding has net cage (8) that the equidistance distributes between the inner wall about box (7), the cover is equipped with heating cabinet (9) on box (7), and heating cabinet (9) upper and lower both sides inner wall all welds heating wire (10), aspiration pump (11) are installed to heating cabinet (9) top outer wall one end, and aspiration pump (11) inlet end is linked together through third intake pipe (12) and box (7) inner wall, aspiration pump (11) give vent to anger the end and are connected with third outlet duct (13), and keep away from aspiration pump (11) one end and first outlet duct (3) top inner wall and weld mutually in third outlet duct (13) in first drying mechanism (2), aspiration pump (11) one end and second outlet duct (6) top inner wall are kept away from in third outlet duct (13) in second drying mechanism (5) and weld mutually.

2. The gas pipeline hydrate emptying device according to claim 1, wherein drying agents are placed in all six net cages (8), openings are formed in the outer walls of one sides of all six net cages (8), and grid plates are hinged in the openings.

3. The gas pipeline hydrate emptying device according to claim 1, wherein the heating tank (9) is internally provided with a cooling liquid, and the volume of the cooling liquid is one third to one half of the volume of the heating tank (9).

4. The gas pipeline hydrate draining device according to claim 1, wherein valves are mounted at one ends of the first gas inlet pipe (1) and the first gas outlet pipe (3) close to the first drying mechanism (2), and valves are mounted at one ends of the second gas inlet pipe (4) and the second gas outlet pipe (6) close to the second drying mechanism (5).

5. The gas pipeline hydrate emptying device as claimed in claim 1, wherein mounting openings are formed in the outer walls of the front surfaces of the two boxes (7), door plates (14) are mounted in the mounting openings, and sealing rings are bonded on the outer walls of the back surfaces of the door plates (14).

6. The gas pipeline hydrate emptying device according to claim 1, wherein the heating wires (10) and the air pump (11) in the first drying mechanism (2) and the second drying mechanism (5) are connected with a switch through conducting wires, and the switch is connected with a power line.