Shallow geothermal energy underground pipe laying system structure and using method
Technical Field
The invention relates to the technical field of geothermal energy utilization, in particular to a shallow geothermal energy underground buried pipe system structure and a using method thereof.
Background
Shallow geothermal energy means in the certain depth range below the earth's surface (generally the constant temperature is brought to two hundred meters burial depth), the temperature is less than twenty-five degrees centigrade, possess the heat energy resource of development and utilization value's inside the earth under current technological economic conditions, shallow geothermal energy is a part of geothermal resource, also is a special mineral resources, common shallow geothermal energy underground pipe laying system structure pipeline freezes easily, thereby lead to the pipeline to block up, especially in winter or the colder area of weather, the pipeline freezes and is not convenient for people to use geothermal energy, still make the pipeline damage easily, produce unnecessary economic loss, need spend the more time of staff and go to maintain the pipeline, staff's work burden has greatly been increased, bring very big inconvenience for the staff.
In the prior art CN 107062692 a, a shallow geothermal energy underground pipe-laying system structure is disclosed, in which the heat pump and the propeller are used to remove the ice inside the pipe, so as to push the water to the outlet of the U-shaped pipe, but the structure has a slow deicing speed, cannot control the temperature of the outlet water, and the heat pump and the propeller generate large power consumption during operation.
Disclosure of Invention
The invention aims to provide a shallow geothermal energy underground pipe laying system structure which has the advantage that pipelines are not easy to freeze, solves the problem that the pipelines of the common shallow geothermal energy underground pipe laying system structure are easy to freeze, and realizes constant and controllable outlet water temperature.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shallow geothermal energy underground pipe laying system structure, includes the casing, its characterized in that: the top of the inner wall of the shell is provided with an operation opening, the top of the shell corresponding to the operation opening is provided with an operation cover matched with the operation opening, the left top of the shell is fixedly connected with a first connecting rod, the left end of the first connecting rod is fixedly connected with a water inlet pipe, the right bottom of the inner wall of the water inlet pipe is fixedly connected with a geothermal energy utilization pipe communicated with the bottom, the top of the right side of the shell is fixedly connected with a second connecting rod, the right end of the second connecting rod is fixedly connected with a water outlet pipe, the right end of the geothermal energy utilization pipe penetrates through the water outlet pipe and extends into the water outlet pipe, the left side and the right side of the bottom of the geothermal energy utilization pipe are both fixedly connected with reinforcing blocks, one sides of the two reinforcing blocks, which are far away from each other, are respectively fixedly connected, the other end inserts the outlet pipe, the one end fixedly connected with that the outlet pipe is kept away from geothermal energy utilization pipe is rather than the water pump of intercommunication each other, the right side fixedly connected with of water pump and its connecting pipe of intercommunication each other, the connecting pipe is kept away from one side of water pump and is connected three way solenoid valve, the other two exports of three way solenoid valve insert back flow and output tube respectively, the back flow passes through the three-way valve and inserts one side of inlet tube, the bottom fixedly connected with protective housing of inlet tube, the bottom fixedly connected with anti-blocking motor of protective housing inner wall, fixedly connected with prevents stifled pivot on the output shaft of anti-blocking motor, the top of preventing stifled pivot runs through protective housing and inlet tube from supreme down in proper order and extends to the inside of inlet tube, the position fixedly connected with first sealing washer that corresponds anti-blocking pivot in, the left side and the right side of an anti-blocking rotating shaft inside the water inlet pipe are fixedly connected with anti-blocking rods, the top end of the anti-blocking rotating shaft is fixedly connected with a rotating plate, the left side and the right side of the rotating plate are respectively contacted with the left side and the right side of the inner wall of the water inlet pipe, the left side and the right side of the top part of the rotating plate are respectively fixedly connected with a scraper blade, one side of the scraper blade, which is close to the inner wall of the water inlet pipe, is contacted with the inner wall of the water inlet pipe, the bottom on the right side of the inner wall of the water inlet pipe is fixedly connected with a first temperature sensor, the right side of the first temperature sensor penetrates through the water inlet pipe and extends to the outside of the water inlet pipe, a second temperature sensor is arranged at the same height as the first temperature sensor, the left side of the second temperature sensor penetrates through the water outlet pipe and extends, the bottom symmetry of shells inner wall is provided with two stoppers, shells inner wall bottom and the position that is located between two stoppers are provided with the sensing main part, shells inner wall bottom and the left side that is located the sensing main part are provided with the control main part, the top of sensing main part is fixed with the converter, just the converter is installed in the shielding box, first temperature sensor and second temperature sensor respectively with the sensing between the main part electric connection, electric connection between sensing main part and the control main part, control main part and prevent electric connection between the stifled motor, control main part and flow valve electric connection, control main part and converter electric connection, converter and water pump electric connection.
Preferably, the equal fixedly connected with reinforcing block in the left and right sides of geothermal energy utilization bottom of tubes portion, one side that two reinforcing blocks kept away from each other respectively with inlet tube and outlet pipe fixed connection.
Preferably, the surface of the first temperature sensor, which is positioned on the right side of the water inlet pipe, the surface of the second temperature sensor, which is positioned on the left side of the water outlet pipe, is sleeved with the leakage-proof ring.
Preferably, a connecting block is fixedly connected to a midpoint of the left side of the sensing body, and the left side of the connecting block is fixedly connected to the right side of the control body.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the shallow geothermal energy underground buried pipe system structure, the protective shell, the anti-blocking motor, the anti-blocking rotating shaft, the first sealing ring, the second sealing ring, the anti-blocking rod, the rotating plate, the scraping plate, the temperature sensor, the limiting block, the water pump, the three-way electromagnetic valve, the sensing main body and the control main body are matched with each other, so that a pipeline of the shallow geothermal energy underground buried pipe system structure is not easy to freeze, the pipeline is prevented from being damaged, unnecessary economic loss is reduced, the work burden of workers is relieved, and great convenience is brought to the workers.
2. The temperature in the water inlet pipe and the temperature in the water outlet pipe are collected and compared in real time through the first temperature sensor and the second temperature sensor, whether the water inlet pipeline is blocked or not can be effectively determined, the flow of geothermal energy flowing into the water outlet pipeline through the geothermal energy utilization pipe is set through the flow valve by the control main body through detection feedback of the second temperature sensor, the power of the water pump is adjusted through the frequency converter, and therefore the water outlet temperature is constant and controllable.
3. The invention has the advantages that the reinforcement block is arranged, the effect of reinforcing the connection between the water inlet pipe and the geothermal energy utilization pipe and the connection between the water outlet pipe and the geothermal energy utilization pipe are achieved, the leakage-proof ring is arranged, the water is prevented from flowing out from a gap between the water inlet pipe and the temperature sensor, and the collision between the sensing main body and the control main body is avoided by arranging the connecting block.
Drawings
FIG. 1 is a structural cross-sectional view in elevation of the present invention;
FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of C-C of FIG. 1 in accordance with the present invention;
FIG. 5 is a cross-sectional view of a top view of the present invention;
FIG. 6 is an enlarged view of a portion of D-D of FIG. 5 in accordance with the present invention.
In the figure: the device comprises a shell 1, an operation opening 2, an operation cover 3, a first connecting rod 4, a water inlet pipe 5, a geothermal energy utilization pipe 6, a second connecting rod 7, a water outlet pipe 8, a water pump 9, a connecting pipe 10, a protective shell 11, an anti-blocking motor 12, an anti-blocking rotating shaft 13, a first sealing ring 14, a second sealing ring 15, an anti-blocking rod 16, a rotating plate 17, a scraper 18, a first temperature sensor 19, a limiting block 20, a sensing body 21, a control body 22, a reinforcing block 23, a leakage-proof ring 24, a connecting block 25, a frequency converter 26, a second temperature sensor 27, a flow valve 28, a return pipe 29, a three-way electromagnetic valve 30 and an.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a shallow geothermal energy underground pipe-burying system structure comprises a casing 1, an operation opening 2 is provided at the top of the inner wall of the casing 1, an operation cover 3 is provided at the top of the casing 1 corresponding to the operation opening 2 for cooperating with the operation opening, a first connecting rod 4 is fixedly connected to the top of the left side of the casing 1, a water inlet pipe 5 is fixedly connected to the left end of the first connecting rod 4, a geothermal energy utilization pipe 6 communicated with the water inlet pipe 5 is fixedly connected to the bottom of the right side of the inner wall of the water inlet pipe 5, a second connecting rod 7 is fixedly connected to the top of the right side of the casing 1, a water outlet pipe 8 is fixedly connected to the right end of the second connecting rod 7, the right end of the geothermal energy utilization pipe 6 penetrates through the water outlet pipe 8 and extends into the water outlet pipe, reinforcing blocks 23 are fixedly connected to the left, the effect of reinforcing the connection between the water inlet pipe 5 and the geothermal energy utilization pipe 6 and between the water outlet pipe 8 and the geothermal energy utilization pipe 6 is achieved by arranging the reinforcing block 23, one side of the geothermal energy utilization pipe 6 close to the water outlet pipe 8 is provided with the flow valve 28, one end of the flow valve 28 is connected into the geothermal energy utilization pipe 6, the other end is connected into the water outlet pipe 8, the flow of hot water flowing out of the geothermal energy utilization pipe 6 to the water outlet pipe 8 can be adjusted by adjusting the caliber opened by the valve clack in the flow valve 28, one end far away from the geothermal energy utilization pipe 6 is fixedly connected with the water pump 9 mutually communicated with the same, the right side of the water pump 9 is fixedly connected with the connecting pipe 10 mutually communicated with the same, one side of the connecting pipe 10 far away from the water pump 9 is connected with the three-way electromagnetic valve 30, the other, through the three-way electromagnetic valve, the hot water from the water outlet pipe 8 can flow into the water inlet pipe through the return pipe 29, because, when the water flows into the water outlet pipe 8 from the geothermal energy utilization pipe 6, the water is changed into hot water, so that the temperature in the water inlet pipe is raised, and a closed water flow loop is formed through the action of the water pump 9, so that the residual ice blocks in the water inlet pipe 5 are quickly removed, the bottom of the water inlet pipe 5 is fixedly connected with a protective shell 11, the bottom of the inner wall of the protective shell 11 is fixedly connected with an anti-blocking motor 12, an anti-blocking rotating shaft 13 is fixedly connected to the output shaft of the anti-blocking motor 12, the top end of the anti-blocking rotating shaft 13 sequentially penetrates through the protective shell 11 and the water inlet pipe 5 from bottom to top and extends to the inside of the water inlet pipe 5, a first sealing ring 14 is fixedly connected to the, the left side and the right side of an anti-blocking rotating shaft 13 positioned inside a water inlet pipe 5 are both fixedly connected with anti-blocking rods 16, the top end of the anti-blocking rotating shaft 13 is fixedly connected with a rotating plate 17, the left side and the right side of the rotating plate 17 are respectively contacted with the left side and the right side of the inner wall of the water inlet pipe 5, the left side and the right side of the top of the rotating plate 17 are both fixedly connected with scraping plates 18, one side of each scraping plate 18, which is close to the inner wall of the water inlet pipe 5, is contacted with the inner wall of the water inlet pipe 5, the anti-blocking rotating shaft 13 is driven to rotate by the rotation of an anti-blocking motor 12, so that the rotating plate 17 of the anti-blocking rods 16 is driven to rotate, the ice on the wall of the water inlet pipe 5 and the inside of the water inlet pipe 17 is removed, water flows to a geothermal energy, the left side of the second temperature sensor 27 penetrates through the water outlet pipe 8 and extends to the outside, so that under the condition that no water flow flows, the temperatures measured by the two temperature sensors at the same earth surface temperature are consistent, only when the water flow flows, the temperature of the water flow rises after passing through the geothermal energy utilization pipe 6, and therefore the temperature value measured by the second temperature sensor 27 is obviously higher than that measured by the first temperature sensor 19, the temperature in the pipeline is acquired by the first temperature sensor 19 and the second temperature sensor 27 in real time, and whether the water inlet pipeline is blocked or not can be judged by comparing the temperatures acquired by the first temperature sensor 19 and the second temperature sensor 27, the two limit blocks 20 are symmetrically arranged at the bottom of the inner wall of the shell 1, a sensing main body 21 is arranged at the bottom of the inner wall of the shell 1 and between the two limit blocks 20, and the sensing main body 21 is a device capable of converting the physical quantity or the chemical quantity to be measured into another type, be used for automated control, security protection equipment etc, casing 1 inner wall bottom just is located the left side of sensing main part 21 and is provided with control main part 22, and the top of sensing main part 21 is fixed with converter 26, and converter 26 installs in the shielding box, and first temperature sensor 19 and second temperature sensor 27 respectively with sensing main part 21 between electric connection, sensing main part 21 and control main part 22 between electric connection, control main part 22 and anti-blocking motor 12 between electric connection, control main part 22 and flow valve 28 electric connection, control main part 22 and converter 26 electric connection, converter 26 and water pump 9 electric connection, through protective housing 11, anti-blocking motor 12, anti-blocking pivot 13, first sealing washer 14, second sealing washer 15, anti-blocking rod 16, rotor plate 17, scraper blade 18, temperature sensor 19, stopper 20, water pump 9, converter 26, flow valve 28, tee bend solenoid valve 30, The mutual cooperation of sensing main part 21 and control main part 22 makes the difficult freezing of pipeline of shallow geothermal energy underground pipe laying system structure, avoids the pipeline to damage, makes the temperature of outlet water constant temperature, has alleviateed staff's work burden, brings very big facility for the staff.
A shallow geothermal energy underground pipe laying system structure comprises the following steps:
firstly, cold water is introduced through a water inlet pipe 5, a water pump 9 is started, if the temperature values in a first temperature sensor 19 and a second temperature sensor 27 are compared through a sensing main body 21, when the difference value is lower than 5 ℃, one end of a three-way electromagnetic valve 30 flowing to an output pipe 31 is closed, one end of the three-way electromagnetic valve flowing to a return pipe 29 is opened, meanwhile, an anti-blocking motor 12 works to drive an anti-blocking rod 16 rotating plate 17 to rotate, so that ice blocks in the water inlet pipe are quickly removed, water flows, under the action of the water pump 9, the water flows through the water inlet pipe 5, a heat energy utilization pipe 6, a water outlet pipe 8 and the return pipe 29 to form a water flow loop, and at the moment, the temperature value measured by the second temperature sensor is;
secondly, when the water in the water flow loop is full, the water inlet pipe 5 does not inject cold water any more, so that the temperature value measured by the first temperature sensor rises, and when the difference value of the temperature values measured by the first temperature sensor 19 and the second temperature sensor 2 is zero, the anti-blocking motor 12 stops working, and one end of the three-way electromagnetic valve 30, which flows to the output pipe 31, is opened, and one end of the three-way electromagnetic valve, which flows to the return pipe 29, is closed, so that hot water is discharged smoothly;
thirdly, the temperature in the water outlet pipe 8 is set through the control main body 22, when the temperature measured by the second temperature sensor 27 is lower than the set temperature, the control main body 22 controls the valve flap in the flow valve 28 to act to reduce the aperture of the flow valve 28, thereby reducing the flow rate of the hot water flowing from the geothermal energy utilization pipe 6 to the water outlet pipe 8, simultaneously the control main body 22 controls the frequency converter 26 to reduce the power of the water pump 9, thereby prolonging the flowing time of the water flow in the geothermal energy utilization pipe 6, prolonging the heat transfer time of the geothermal energy to the water, increasing the temperature, when the temperature measured by the second temperature sensor 27 is higher than the set temperature, the control main body 22 controls the valve flap in the flow valve 28 to act to increase the aperture of the flow valve 28, thereby increasing the flow rate of the hot water flowing from the geothermal energy utilization pipe 6 to the water outlet pipe 8, simultaneously the control main body 22 controls the frequency converter 26 to increase the power of the water pump 9, thereby shortening, the heat transfer time of the geothermal energy to the water is shorter, the temperature is reduced, and the adjustment is repeated in such a way, so that the outlet water temperature is the same as the set temperature.
In summary, the following steps: this shallow geothermal energy underground pipe laying system structure, protective housing 11, prevent stifled motor 12, prevent stifled pivot 13, first sealing washer 14, second sealing washer 15, prevent stifled pole 16, rotor plate 17, scraper blade 18, temperature sensor 19, stopper 20, water pump 9, converter 26, flow valve 28, three way solenoid valve 30, mutual cooperation of sensing main part 21 and control main part 22, make the difficult freezing of pipeline of shallow geothermal energy underground pipe laying system structure, avoid the pipeline to damage, it is controllable to make the constant temperature of outlet water.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.