CN212250445U - High-efficient pump line of geothermal water exploitation - Google Patents

Abstract

The utility model discloses a high-efficient pump line of geothermal water exploitation, including several pump line, connector hoop and seal ring, the several pump line passes through the connector hoop and connects, and the contact surface between the pump line is provided with seal ring, pump line and connector hoop threaded connection, be provided with first internal thread on the connector hoop, it is specific, whole pump line passes through the connector hoop spiro union by the several pump line and becomes a root length pipe, needs increase pump line quantity according to different length, is provided with seal ring on the contact surface between pump line and the pump line for seal the contact surface, the utility model discloses can effectual reduction geothermal water exploitation in-process temperature loss, pressure loss when reducing geothermal water and flowing in the pump line reduces the energy consumption, reduces geothermal water and rubs with machinery the chemical corrosion of pump line, improves the utilization ratio of geothermal resources, reduces resource consumption, reduce cost.

Description

High-efficient pump line of geothermal water exploitation

Technical Field

The utility model relates to a geothermal well exploitation field, in particular to high-efficient pump line of geothermal water exploitation.

Background

Geothermal resources are precious natural wealth, can be used as heat sources, water sources and mineral resources for utilization, such as power generation, heating, showering, fish culture and the like, have important significance for developing national economy, are rich in geothermal resources in China, are one of the earliest countries developing and utilizing geothermal resources in the world, at present, geothermal water exploitation generally adopts steel pump pipes, and all sections of the pump pipes are connected by flange plates, and the pump pipes have the following defects: firstly, because the smoothness of the inner wall of the steel pump pipe is not high, the geothermal water overcomes larger frictional resistance when flowing in the steel pump pipe, and the electric energy is more consumed. Secondly, because iron has higher heat conductivity, when the water level of geothermal water is buried deeply, the geothermal water is pumped out of the ground surface from a pump pipe in the well, the temperature drop is generally larger, and particularly, the temperature drop amplitude of the geothermal well with weaker water outlet capability can reach 5-6 ℃. The diameter of a flange plate connected with the pump pipe is generally 20-30 mm larger than that of the pump pipe and limited by the diameter of a geothermal well pipe, the diameter of the pump pipe is generally smaller than 100mm during exploitation, and geothermal water in the pipe has high flow speed and high pressure loss due to the small diameter of the pump pipe during large-flow water pumping. Fourthly, because the content of minerals in the geothermal water is generally higher, the geothermal water has stronger corrosivity to metal materials such as iron and the like, and long-term exploitation can cause corrosion of a pump pipe; and fifthly, the geothermal water contains a small amount of sand, the composition of the sand is generally quartz, the hardness of the sand is higher than that of steel, and the hot water flow has certain abrasion on the inner wall of the pump pipe during exploitation. Therefore, a geothermal water producing high efficiency pump pipe is required to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that the prior pump line of above-mentioned background art exists, and provide a high-efficient pump line of geothermal water exploitation.

A geothermal water exploitation efficient pump pipe comprises a plurality of pump pipes, a connecting hoop and sealing gaskets, wherein the pump pipes are connected through the connecting hoop, the sealing gaskets are arranged on contact surfaces among the pump pipes, and the pump pipes are in threaded connection with the connecting hoop;

the connecting hoop is provided with a first internal thread;

specifically, the whole pump pipe is formed by connecting a plurality of pump pipes into a long pipe in a threaded manner through connecting hoops, the number of the pump pipes is increased according to different length requirements, and a sealing gasket is arranged on a contact surface between the pump pipes and is used for sealing the contact surface;

the pump pipe comprises a steel outer pipe, a heat preservation layer, a glass inner pipe, a fixing ring and a collapsible sealing ring, wherein the heat preservation layer is arranged in the steel outer pipe, the outer diameter of the heat preservation layer is the same as the inner diameter of the steel outer pipe, the glass inner pipe is arranged in the heat preservation layer, the outer diameter of the glass inner pipe is the same as the inner diameter of the heat preservation layer, the fixing ring is arranged at two ends of the steel outer pipe, the fixing ring is in threaded connection with the steel outer pipe, and the collapsible sealing ring is arranged;

a first external thread and a second internal thread are arranged at two ends of the steel outer pipe, and the first external thread is matched with the first internal thread for use;

the insulating layer is made of a flexible material with low thermal conductivity;

the glass inner tube is made of tempered glass;

specifically, the heat insulation layer is made of flexible materials with low heat conductivity, such as rubber and sponge, and is arranged between the glass inner tube and the steel outer tube, so that the heat insulation effect is achieved, the imbalance of expansion and contraction caused by heat and cold between the coupled steel outer tube and the glass inner tube is achieved, the shock absorption effect is achieved in the carrying process, the glass inner tube is protected from being damaged, the glass inner tube is made of reinforced glass, the inner wall of the glass inner tube is high in smoothness, wear-resistant and corrosion-resistant, the resistance of geothermal water flow transportation can be reduced, energy consumption is reduced, the heat insulation layer and the glass inner tube are axially limited in the steel outer tube through a fixing ring, and the expansion and contraction sealing ring arranged between the heat insulation layer and the glass inner tube is used for mismatch of expansion and contraction caused by heat and cold between the coupled steel outer tube and;

the two ends of the glass inner tube are outward trapezoids;

specifically, the contact area between the two ends of the glass inner tube and the collapsible sealing ring is increased in an outward trapezoidal shape;

a plurality of mounting tool holes and second external threads are formed in the fixing ring, the mounting tool holes are uniformly distributed in the circumference, and the second external threads are matched with the second internal threads for use;

specifically, the mounting tool hole is used when the fixing ring is mounted on the steel outer pipe.

The utility model has the advantages that:

the utility model discloses can effectual reduction geothermal water exploit the temperature loss of in-process, reduce geothermal water pressure loss when flowing in the pump line, reduce the energy consumption, reduce geothermal water and rub with machinery to the chemical attack of pump line and lose, improve the utilization ratio of geothermal resources, reduce resource consumption, reduce cost.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

figure 4 is a detailed view of the present invention at B in figure 3;

fig. 5 is a schematic perspective view of the fixing ring of the present invention.

Detailed Description

Referring to fig. 1 to 5, an efficient pump pipe for geothermal water exploitation includes a plurality of pump pipes 1, a connecting hoop 2 and a sealing washer 3, the pump pipes 1 are connected by the connecting hoop 2, the sealing washer 3 is disposed on a contact surface between the pump pipes 1, and the pump pipes 1 are in threaded connection with the connecting hoop 2;

the connecting hoop 2 is provided with a first internal thread 21;

specifically, the whole pump pipe is formed by connecting a plurality of pump pipes 1 into a long pipe in a threaded manner through connecting hoops 2, the number of the pump pipes 1 is increased according to different length requirements, and a sealing gasket 3 is arranged on a contact surface between each pump pipe 1 and used for sealing the contact surface;

the pump pipe 1 comprises a steel outer pipe 11, a heat insulation layer 12, a glass inner pipe 13, a fixing ring 14 and a collapsible sealing ring 15, wherein the heat insulation layer 12 is arranged in the steel outer pipe 11, the outer diameter of the heat insulation layer 12 is the same as the inner diameter of the steel outer pipe 11, the glass inner pipe 13 is arranged in the heat insulation layer 12, the outer diameter of the glass inner pipe 13 is the same as the inner diameter of the heat insulation layer 12, the fixing ring 14 is arranged at two ends of the steel outer pipe 11, the fixing ring 14 is in threaded connection with the steel outer pipe 11, and the collapsible sealing ring 15 is arranged between the heat insulation layer;

a first external thread 111 and a second internal thread 112 are arranged at two ends of the steel outer tube 11, and the first external thread 111 is matched with the first internal thread 21 for use;

the insulating layer 12 is made of a flexible material with low thermal conductivity;

the inner glass tube 13 is made of tempered glass;

specifically, the heat insulating layer 12 is made of a flexible material with low thermal conductivity, such as rubber and sponge, and is arranged between the glass inner tube 13 and the steel outer tube 11, so that firstly, a heat insulating effect is achieved, secondly, the imbalance of expansion and contraction caused by heat and cold between the coupled steel outer tube 11 and the glass inner tube 13 is achieved, thirdly, a shock absorption effect is achieved in the carrying process, the glass inner tube 13 is protected from being damaged, the glass inner tube 13 is made of reinforced glass, the inner wall of the glass inner tube 13 is high in smoothness, wear-resistant and corrosion-resistant, the resistance to geothermal water flow can be reduced, so that energy consumption is reduced, the heat insulating layer 12 and the glass inner tube 13 are axially limited in the steel outer tube 11 through a fixing ring 14, and a harming seal ring 15 is arranged between the heat insulating layer 12 and the glass inner tube 13 and the fixing ring 14, so that the mismatch of expansion and contraction;

the two ends of the glass inner tube 13 are outward trapezoidal;

specifically, the two ends of the glass inner tube 13 are outward trapezoidal, so that the contact area between the glass inner tube and the collapsible seal ring 15 is increased;

a plurality of mounting tool holes 141 and second external threads 142 are formed in the fixing ring 14, the mounting tool holes 141 are uniformly distributed in the circumference, and the second external threads 142 are matched with the second internal threads 112;

specifically, the mounting tool hole 141 is used when the retainer ring 14 is mounted on the steel outer pipe 11.

Claims (5)

1. The utility model provides a geothermal water exploits high-efficient pump line which characterized in that: the pump pipe comprises a plurality of pump pipes (1), connecting hoops (2) and sealing gaskets (3), wherein the pump pipes (1) are connected through the connecting hoops (2), the sealing gaskets (3) are arranged on contact surfaces among the pump pipes (1), and the pump pipes (1) are in threaded connection with the connecting hoops (2);

a first internal thread (21) is arranged on the connecting hoop (2);

the pump pipe (1) comprises a steel outer pipe (11), a heat insulation layer (12), a glass inner pipe (13), a fixing ring (14) and a collapsible sealing ring (15), wherein the heat insulation layer (12) is arranged in the steel outer pipe (11), the outer diameter of the heat insulation layer (12) is the same as the inner diameter of the steel outer pipe (11), the glass inner pipe (13) is arranged in the heat insulation layer (12), the outer diameter of the glass inner pipe (13) is the same as the inner diameter of the heat insulation layer (12), the fixing ring (14) is arranged at two ends of the steel outer pipe (11), the fixing ring (14) is in threaded connection with the steel outer pipe (11), and the collapsible sealing ring (15) is arranged between the heat insulation layer (12) and the glass inner pipe (13;

the steel outer tube (11) both ends are provided with first external screw thread (111) and second internal thread (112), and first external screw thread (111) uses with first internal thread (21) cooperation.

2. A geothermal water producing high efficiency pump pipe according to claim 1, wherein: the heat-insulating layer (12) is made of a flexible material with low heat conductivity.

3. A geothermal water producing high efficiency pump pipe according to claim 1, wherein: the glass inner tube (13) is made of tempered glass.

4. A geothermal water producing high efficiency pump pipe according to claim 1, wherein: the two ends of the glass inner tube (13) are outward trapezoidal.

5. A geothermal water producing high efficiency pump pipe according to claim 1, wherein: the fixing ring (14) is provided with a plurality of mounting tool holes (141) and second external threads (142), the mounting tool holes (141) are uniformly distributed on the circumference, and the second external threads (142) are matched with the second internal threads (112) for use.

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