CN216477314U - Geothermal well profile measuring device - Google Patents
Geothermal well profile measuring device Download PDFInfo
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- CN216477314U CN216477314U CN202121545363.5U CN202121545363U CN216477314U CN 216477314 U CN216477314 U CN 216477314U CN 202121545363 U CN202121545363 U CN 202121545363U CN 216477314 U CN216477314 U CN 216477314U
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Abstract
The utility model provides a geothermal well profile measuring device, which solves the problems of poor geothermal well measuring effect and the like and comprises a winch arranged above a well mouth of a geothermal well, wherein a cable of the winch extends towards the interior of the geothermal well, the winch is provided with a lifting roller and a circulating roller, one end of the cable on the lifting roller is fixedly connected with the lifting roller, the other end of the cable on the lifting roller is connected with a static flowmeter, the ends of the cable on the circulating roller are mutually connected and are fixedly provided with a plurality of equidistant dynamic flowmeters, and a guide mechanism for guiding the movement of the cable is arranged at the well mouth of the geothermal well. The utility model has the advantages of high measurement precision, good operation stability and the like.
Description
Technical Field
The utility model belongs to the technical field of geothermal well measurement, and particularly relates to a geothermal well profile measuring device.
Background
Geothermal power generation converts underground thermal energy into mechanical energy and then converts the mechanical energy into electrical energy, a process otherwise known as geothermal power generation. Geothermal heat is used as renewable clean energy and is being utilized by more and more places, at present, the development of geothermal heat in middle and deep layers is in a primary stage, a well completion process and a mining working system belong to extensive process modes, and the development is limited by technical conditions, so that scientific construction design and the formulation of a mining working plan cannot be scientifically and reasonably carried out. Aiming at the objective reality of multilayer separation of water-bearing layers of sedimentary rocks, indexes such as water temperature, water yield and water production coefficient of each water-bearing layer cannot be determined through a general test. In addition, if the recharging amount is reduced due to the blockage of the geothermal well, the overall operation stability of the geothermal well group is caused.
In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses an intelligent recharge control system and method for geothermal well groups [202011080048.X ], which includes a plurality of geothermal wells, a water collector, a plate heat exchanger, a water separator and a heat pump host, wherein each geothermal well is provided with a water intake pump, water outlet ends of the water intake pumps are respectively communicated with a water inlet end of the water collector through a pipeline, a water outlet end of the water collector is communicated with a water inlet end of the water separator through the plate heat exchanger, and the plate heat exchanger is connected with the heat pump host; a plurality of recharge pumps are arranged at the water outlet end of the water separator, the recharge pumps are arranged in one-to-one correspondence with the geothermal wells, and a balance pipe is arranged between the water separator and the water collector; the water outlet end of each recharge pump is communicated with the corresponding geothermal well through a pipeline; the water outlet end of each water taking pump is provided with a first flow meter and a conductivity meter; the water outlet end of each recharge pump is provided with a pressure gauge and a second flow meter; and a third flow meter is arranged on the balance pipe.
The above scheme solves the problem of operation stability of the geothermal well to a certain extent, but the scheme still has a plurality of defects, such as insufficient measurement of each aquifer of the geothermal well.
Disclosure of Invention
The utility model aims to solve the problems and provides a geothermal well profile measuring device which is reasonable in design and good in aquifer detection effect.
In order to achieve the purpose, the utility model adopts the following technical scheme: local hot-well section measuring device, including setting up the winch in the well head top of geothermal well, the hawser of winch extends towards the geothermal well is inside, is provided with lifting drum and circulation cylinder on the winch, and hawser one end on the lifting drum is connected fixedly with lifting drum and the other end is connected with static flowmeter, and the hawser end interconnect on the circulation cylinder just is fixed with the dynamic flowmeter of a plurality of equidistance, and the well head department of geothermal well is provided with the guiding mechanism of guide hawser motion. The static flowmeter can be used for measuring the flow of different aquifers in a lifting manner, the dynamic flowmeter can do up-and-down circular motion, and the flow difference of different aquifers is uniformly acquired, so that a better detection effect is obtained.
In foretell geothermal well section measuring device, the winch is including fixing the frame in the well head both sides of geothermal well, is connected with the fixed axle of suspension above the well head of geothermal well between the frame, and lifting drum and circulating drum cover are provided with roller bearing on the fixed axle and between, and lifting drum and circulating drum rotate independently and are connected with the driving motor transmission of installing on the frame through drive mechanism respectively. The winch realizes the independent rotation of the lifting roller and the circulating roller, and the sorry detection process is not interfered with each other.
In foretell geothermal well section measuring device, drive mechanism is including setting up the driving barrel in the relative one side of lifting drum and circulating drum and frame, the driving tooth has been arranged along circumference inside and outside the driving barrel respectively, the driving barrel inboard meshes with first drive gear, the driving barrel outside meshes with second drive gear, first drive gear and second drive gear rotate to be connected in the gear box on the frame, first drive gear and second drive gear have the driven synchro-drive portion of intermeshing, driving motor is connected with the gearbox, the gearbox output is fixed with drive gear, drive gear and synchro-drive portion meshing transmission. The transmission mechanism provides the lifting roller and the circulating roller with better rotation stability.
In the above-described geothermal well profile measuring apparatus, the guide mechanism includes a horizontal guide assembly and a vertical guide assembly. The guide mechanism guides the cable rope to stably lift, and the cable rope is prevented from contacting with the inner wall of the geothermal well.
In foretell geothermal well section measuring device, horizontal direction subassembly is including setting up the first guide holder in the geothermal well top, and there is the second guide holder through slide rail mechanism sliding connection on the first guide holder, and the hawser passes second guide holder and first guide holder from top to bottom in proper order, is provided with intermeshing's leading gear and direction rack between second guide holder and the first guide holder outside, and leading gear is connected with direction motor transmission. The horizontal guide assembly realizes large-scale adjustment of the cable in the horizontal direction.
In the above geothermal well profile measuring device, the vertical guide assembly comprises a plurality of guide rollers arranged in the second guide seat, the guide rollers are arranged in the vertical direction and are used for cables to pass through in a staggered manner, and two ends of each guide roller are slidably connected with the adjusting grooves arranged on two sides of the second guide seat. Each guide roller in the vertical guide assembly prevents the cable from being misplaced and knotted in the lifting process.
In the above geothermal well profile measuring device, the width of the inner cavity of the second guide seat is gradually increased from top to bottom, and the adjusting grooves are arranged one by one from top to bottom and the length of the adjusting grooves is increased one by one. The adjusting range of the guide roller in the second guide seat is gradually increased from top to bottom, so that a better vertical guide effect is obtained.
In the geothermal well profile measuring device, a recharge pump is arranged at the wellhead of the geothermal well, a pump port of the recharge pump is opposite to the geothermal well, and a recharge flowmeter is arranged at an outlet of the recharge pump. When the recharge pump recharges, the recharge flowmeter timely detects the flow of the recharge water, and the integral operation stability of the geothermal well is ensured.
In the above-mentioned geothermal well profile measuring apparatus, a protective cover is covered over the lifting drum and the circulating drum of the winch. The protective cover plays a protective role in the mooring ropes of the lifting roller and the circulating roller, and prevents external foreign matters from invading to influence the normal operation of the lifting roller and the circulating roller.
In the above geothermal well profile measuring device, a baffle is arranged between the lifting roller and the circulating roller and the wellhead of the geothermal well. The baffle guides water vapor to be discharged from the geothermal well, and the influence on the winch is reduced.
Compared with the prior art, the utility model has the advantages that: the various flow meters realize dynamic and static detection of each aquifer in the geothermal well, and have better measuring effect; the winch drives the lifting roller and the circulating roller to independently operate, so that the stability of the measuring device is ensured; the guide mechanism guides the cable to lift, and the flow meter is prevented from contacting with the inner wall of the geothermal well.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the transmission mechanism of the present invention;
FIG. 3 is a schematic structural view of the guide mechanism of the present invention;
in the figure, a winch 1, a frame 11, a fixed shaft 12, a driving motor 13, a cable 2, a static flow meter 21, a dynamic flow meter 22, a lifting roller 3, a circulating roller 4, a guide mechanism 5, a transmission mechanism 6, a transmission cylinder 61, a first transmission gear 62, a second transmission gear 63, a gear box 64, a synchronous transmission part 65, a gear box 66, a driving gear 67, a horizontal guide assembly 7, a first guide seat 71, a slide rail mechanism 72, a second guide seat 73, a guide gear 74, a guide rack 75, a guide motor 76, a vertical guide assembly 8, a guide roller 81, an adjusting groove 82, a recharge pump 9, a recharge flow meter 91, a protective cover 92 and a baffle 93.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the local thermal well profile measuring device includes a winch 1 disposed above the wellhead of the geothermal well, a cable 2 of the winch 1 extends toward the inside of the geothermal well, the winch 1 is provided with a lifting roller 3 and a circulating roller 4, one end of the cable 2 on the lifting roller 3 is fixedly connected with the lifting roller 3, the other end of the cable is connected with a static flow meter 21, the ends of the cable 2 on the circulating roller 4 are connected with each other and are fixedly provided with a plurality of equidistant dynamic flow meters 22, and the wellhead of the geothermal well is provided with a guide mechanism 5 for guiding the movement of the cable 2. The lifting roller 3 and the circulating roller 4 on the winch 1 rotate to drive the mooring rope 2 to move, so that the static flowmeter 21 can ascend and descend vertically, and the flow of aquifers with different depths can be monitored. The dynamic flowmeter 22 circularly moves up and down, and circularly detects the flow difference of different aquifers in the moving process, so that the error caused by single detection is reduced.
Specifically, the winch 1 comprises frames 11 fixed on two sides of a wellhead of the geothermal well, a fixed shaft 12 suspended above the wellhead of the geothermal well is connected between the frames 11, the lifting roller 3 and the circulating roller 4 are sleeved on the fixed shaft 12 and provided with roller bearings therebetween, and the lifting roller 3 and the circulating roller 4 rotate independently and are in transmission connection with a driving motor 13 installed on the frames 11 through a transmission mechanism 6 respectively. The lifting roller 3 and the circulating roller 4 rotate relative to the fixed shaft 12, the rotation is relatively independent, and the rotation speed is independently controlled by the driving motor 13.
Deeply, the transmission mechanism 6 comprises a transmission cylinder 61 arranged on one side of the lifting roller 3 and the circulating roller 4 opposite to the frame 11, transmission teeth are arranged inside and outside the transmission cylinder 61 along the circumferential direction, the inner side of the transmission cylinder 61 is meshed with a first transmission gear 62, the outer side of the transmission cylinder 61 is meshed with a second transmission gear 63, the first transmission gear 62 and the second transmission gear 63 are rotatably connected in a gear box 64 on the frame 11, the first transmission gear 62 and the second transmission gear 63 are provided with synchronous transmission parts 65 which are meshed with each other for transmission, the driving motor 13 is connected with a gear box 66, the output end of the gear box 66 is fixedly provided with a driving gear 67, and the driving gear 67 is meshed with the synchronous transmission parts 65 for transmission. The inner side and the outer side of the transmission cylinder 61 are respectively meshed with the first transmission gear 62 and the second transmission gear 63 for transmission, the rotation directions of the transmission cylinder 61 and the second transmission gear 63 are opposite, uniform driving torque is provided for the transmission cylinder 61 in the inner side and the outer side, and the synchronous transmission part 65 keeps the first transmission gear 62 and the second transmission gear 63 to move synchronously.
Further, the guide mechanism 5 includes a horizontal guide assembly 7 and a vertical guide assembly 8. The horizontal guide assembly 7 and the vertical guide assembly 8 independently adjust the position of the cable 2, keep the cable 2 to keep a distance with the inner wall of the geothermal well, and avoid the static flow meter 21 and the dynamic flow meter 22 from contacting with the inner wall of the geothermal well to influence the detection precision.
Furthermore, the horizontal guiding assembly 7 comprises a first guiding seat 71 arranged above the geothermal well, a second guiding seat 73 is slidably connected to the first guiding seat 71 through a sliding rail mechanism 72, the cable 2 sequentially passes through the second guiding seat 73 and the first guiding seat 71 from top to bottom, a guiding gear 74 and a guiding rack 75 which are meshed with each other are arranged between the second guiding seat 73 and the outer side of the first guiding seat 71, and the guiding gear 74 is in transmission connection with a guiding motor 76. The horizontal guide assembly 7 performs a whole movement of the second guide housing 73, and generally guides the lifting of the cable 2 when the lifting drum 3 rotates.
In addition, the vertical guiding assembly 8 comprises a plurality of guiding rollers 81 arranged in the second guiding seat 73, the guiding rollers 81 are arranged along the vertical direction and allow the cable 2 to pass through in a staggered manner, and two ends of the guiding rollers 81 are slidably connected with the adjusting grooves 82 arranged on two sides of the second guiding seat 73. The guide roller 81 of the vertical guide assembly 8 slides relative to the adjustment slot 82 to adjust the relative position, and thus the position of the lower cable 2 relative to the second guide base 73.
Meanwhile, the width of the inner cavity of the second guide seat 73 is gradually increased from the top down, and the adjustment grooves 82 are arranged one by one from the top down and the lengths are increased one by one. The length of the adjusting groove 82 is increased from top to bottom one by one, so that the adjusting range of the guide roller 81 is increased, and the cable 2 below the second guide seat 73 is ensured to have a larger position adjusting range.
Visibly, a recharge pump 9 is arranged at the wellhead of the geothermal well, a pump port of the recharge pump 9 is opposite to the geothermal well, and a recharge flowmeter 91 is arranged at an outlet of the recharge pump. The recharge flowmeter 91 at the pump port of the recharge pump 9 monitors the recharge flow, and is convenient to compare with the flow of each aquifer.
It is clear that the lifting drum 3 and the circulating drum 4 of the winch 1 are covered with a protective cover 92. The protective cover 92 covers the lifting drum 3 and the circulating drum 4 integrally, and an opening for leading out the cable 2 is reserved below the protective cover.
Preferably, a baffle 93 is provided between the lifting drum 3 and the circulating drum 4 and the wellhead of the geothermal well. The baffle 93 is arranged on the wellhead of the geothermal well and is arranged obliquely to reduce the contact of water vapor and the winch 1.
In summary, the principle of the present embodiment is: the winch 1 drives the lifting roller 3 and the circulating roller 4 to rotate, the mooring ropes 2 arranged on the lifting roller 3 and the circulating roller 4 adjust the position of the static flow meter 21 in the geothermal well, and the dynamic flow meter 22 rotates along with the mooring ropes 2 to do up-and-down circulating motion so as to monitor the flow of each water-containing layer in the geothermal well.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms winch 1, carriage 11, stationary shaft 12, driving motor 13, cable 2, static flow meter 21, dynamic flow meter 22, lifting drum 3, circulating drum 4, guide mechanism 5, transmission mechanism 6, transmission cylinder 61, first transmission gear 62, second transmission gear 63, gear box 64, synchronous transmission 65, gear box 66, driving gear 67, horizontal guide assembly 7, first guide seat 71, slide rail mechanism 72, second guide seat 73, guide gear 74, guide rack 75, guide motor 76, vertical guide assembly 8, guide drum 81, adjustment groove 82, recharge pump 9, recharge flow meter 91, shield 92, baffle 93, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a geothermal well section measuring device, is including setting up winch (1) in the well head top of geothermal well, its characterized in that, hawser (2) of winch (1) extend towards geothermal well inside, winch (1) on be provided with lift cylinder (3) and circulation cylinder (4), lift cylinder (3) on hawser (2) one end be connected fixedly with lift cylinder (3) and the other end is connected with static flowmeter (21), circulation cylinder (4) on hawser (2) end interconnect and be fixed with a plurality of equidistance dynamic flowmeter (22), the well head department of geothermal well be provided with guiding mechanism (5) of guide hawser (2) motion.
2. The geothermal well profile measuring device according to claim 1, wherein the winch (1) comprises frames (11) fixed on two sides of a wellhead of the geothermal well, a fixed shaft (12) suspended above the wellhead of the geothermal well is connected between the frames (11), the lifting roller (3) and the circulating roller (4) are sleeved on the fixed shaft (12) and provided with roller bearings therebetween, and the lifting roller (3) and the circulating roller (4) rotate independently and are in transmission connection with a driving motor (13) installed on the frames (11) through a transmission mechanism (6) respectively.
3. The geothermal well profile measuring device according to claim 2, wherein the transmission mechanism (6) comprises a transmission cylinder (61) arranged on one side of the lifting roller (3) and the circulating roller (4) opposite to the frame (11), transmission teeth are respectively arranged inside and outside the transmission cylinder (61) along the circumferential direction, the inner side of the transmission cylinder (61) is meshed with a first transmission gear (62), the outer side of the transmission cylinder (61) is meshed with a second transmission gear (63), the first transmission gear (62) and the second transmission gear (63) are rotatably connected into a gear box (64) on the frame (11), the first transmission gear (62) and the second transmission gear (63) are provided with synchronous transmission parts (65) which are meshed with each other for transmission, the driving motor (13) is connected with a gear box (66), and a driving gear (67) is fixed at the output end of the gear box (66), the driving gear (67) is in meshing transmission with the synchronous transmission part (65).
4. A geothermal well profile measuring device according to claim 1, characterized in that the guiding means (5) comprise a horizontal guiding member (7) and a vertical guiding member (8).
5. The geothermal well profile measuring device according to claim 4, wherein the horizontal guide assembly (7) comprises a first guide seat (71) arranged above the geothermal well, a second guide seat (73) is slidably connected to the first guide seat (71) through a sliding rail mechanism (72), the cable (2) sequentially passes through the second guide seat (73) and the first guide seat (71) from top to bottom, a guide gear (74) and a guide rack (75) which are meshed with each other are arranged between the second guide seat (73) and the outer side of the first guide seat (71), and the guide gear (74) is in transmission connection with a guide motor (76).
6. The geothermal well profile measuring device according to claim 5, wherein the vertical guide assembly (8) comprises a plurality of guide rollers (81) arranged in the second guide base (73), the guide rollers (81) are arranged along the vertical direction and are used for the cables (2) to pass through in a staggered way, and two ends of each guide roller (81) are slidably connected with adjusting grooves (82) arranged at two sides of the second guide base (73).
7. The geothermal well profile measuring device according to claim 6, wherein the width of the inner cavity of the second guide base (73) is gradually increased from the top down, and the adjusting grooves (82) are arranged one by one from the top down and are gradually increased in length.
8. The geothermal well profile measuring device according to claim 1, wherein a recharge pump (9) is arranged at a wellhead of the geothermal well, a pump port of the recharge pump (9) is opposite to the geothermal well, and a recharge flowmeter (91) is arranged at an outlet of the recharge pump.
9. The geothermal well profile measuring device according to claim 1, characterized in that the hoisting drum (3) and the circulating drum (4) of the winch (1) are covered with a protective cover (92) above.
10. A geothermal well profile measuring device according to claim 1, characterized in that a baffle (93) is arranged between the lifting drum (3) and the circulating drum (4) and the wellhead of the geothermal well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545363.5U CN216477314U (en) | 2021-07-08 | 2021-07-08 | Geothermal well profile measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121545363.5U CN216477314U (en) | 2021-07-08 | 2021-07-08 | Geothermal well profile measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477314U true CN216477314U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121545363.5U Active CN216477314U (en) | 2021-07-08 | 2021-07-08 | Geothermal well profile measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477314U (en) |
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2021
- 2021-07-08 CN CN202121545363.5U patent/CN216477314U/en active Active
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