Middle-deep layer geothermal heat supply device

Abstract

The utility model discloses a middle-deep layer geothermal heating device, which relates to the technical field of geothermal heating and comprises a water return tank, a cold water tank and a heat exchange pipe, a hot water pipe is communicated between the water return tank and the heat exchange pipe, a water inlet pipe is arranged between the cold water tank and the heat exchange pipe, the water return tank comprises a tank cover and a tank body, and the tank cover covers the top of the tank body. Two symmetrically-arranged cleaning brush rollers are arranged on the inner wall of the box body in a contact mode, a driving cleaning mechanism is arranged at the bottom of the box cover and connected with the cleaning brush rollers, a blow-off pipe is arranged at the lower end of the opposite side wall of the water return box in a communicating mode, and the pipe wall of the blow-off pipe is fixedly sleeved with a blow-off pump. The cleaning brush roll can make contact with the inner wall of the box body through high-frequency rotation to fully clean impurities and scale, the cleaning effect is guaranteed, and meanwhile the cleaning mechanism can be separated from the water tank to complete replacement.

Description

TECHNICAL FIELD

[0001] The utility model relates to geothermal heating technology field, concretely relates to a middle deep layer geothermal heating device. BACKGROUND

[0002] In the middle deep layer geothermal heating device, the water tank as the main equipment plays an important role in buffering and regulating hot water supply.

[0003] Various substances participate in the heat exchange process, such as additives in the heat exchange medium, rust products in the pipeline, etc. As the geothermal heating time continues to increase, the impurities in the water in the water tank gradually increase. At the same time, although the water tank has certain protective measures, dust, microorganisms and other external factors may still enter through various channels, further exacerbating the accumulation of impurities in the water tank, making it difficult to effectively transfer heat during heat exchange and reducing heat exchange efficiency.

[0004] At the same time, the traditional water tank cleaning method usually needs to shut down the water tank, and the water is emptied for manual cleaning. This method not only has complex operation, but also needs to consume a lot of manpower and material resources, and the cleaning process will cause the heating process to be interrupted, which seriously affects the stability and continuity of the heating.

[0005] Therefore, there is an urgent need for a cleaning mechanism that can automatically and efficiently clean the water tank while the water tank is running, i.e. the internal water circulation, and can remove impurities from the water tank after cleaning. UTILITY MODEL CONTENT

[0006] In view of the above problems existing in the prior art middle deep layer geothermal heating device, the utility model is proposed.

[0007] Therefore, the utility model aims to provide a middle deep layer geothermal heating device, which solves the problem of insufficient cleaning and removal of impurities attached to the inner wall of the water tank in the existing geothermal heating device.

[0008] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0009] A middle deep layer geothermal heating device, comprising a return water tank, a cold water tank and a heat exchange pipe, a hot water pipe is provided between the return water tank and the heat exchange pipe, and a water inlet pipe is provided between the cold water tank and the heat exchange pipe.

[0010] The return water tank comprises a tank cover and a tank body, the tank cover is provided on the top of the tank body, two symmetrical cleaning brush rollers are provided on the inner wall of the tank body, a driving cleaning mechanism is provided at the bottom of the tank cover, and the driving cleaning mechanism is connected with the cleaning brush rollers.

[0011] A sewage discharge pipe is provided at the lower end of the side wall of the return water tank, and a sewage pump is fixedly provided on the pipe wall of the sewage discharge pipe.

[0012] Preferably, the driving cleaning mechanism comprises a driving motor and a driving belt, vertical rods are rotatably arranged at the four corners of the bottom of the box cover, the driving motor is fixedly arranged at the top of the box cover, and the output shaft tail end is fixedly connected with the vertical rods, the rod walls of the vertical rods are all fixedly sleeved with transmission wheels, the driving belt is transmissionally sleeved outside the transmission wheels, a supporting pipe is fixedly arranged on the outer wall of the driving belt, a rotating rod is rotatably arranged at the inner bottom of the supporting pipe, and the rotating rod is fixedly arranged at the top of the cleaning brush roller.

[0013] Preferably, an annular inner gear ring is fixedly arranged at the bottom of the box cover, a transmission gear is fixedly sleeved on the outer wall of the rotating rod, and the transmission gear is arranged in cooperation with the annular inner gear ring.

[0014] Preferably, a sewage discharging slope is arranged at the inner wall bottom of the box.

[0015] Further, a connecting groove is arranged at each of the four corners of the top of the box cover, a connecting bolt is threadedly arranged in the connecting groove, and the threaded end of the connecting bolt extends into the box.

[0016] Preferably, the supporting pipe is rotatably arranged outside the rotating rod through the internal bearing thereof.

[0017] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0018] 1. The utility model discloses a cold water tank, a box cover, a box, a cleaning brush roller and a driving cleaning mechanism, which can contact the inner wall of the box through the high-frequency rotation of the cleaning brush roller to clean the impurities and scale sufficiently, guarantee the cleaning effect, and can separate the cleaning mechanism from the water tank to replace, guarantee the stable heating of the water tank to the ground heat exchange work.

[0019] 2. The utility model discloses a driving cleaning mechanism, an annular inner gear ring and a transmission gear, which can rotate the cleaning brush roller to move around the driving belt, and the body rotates quickly, can clean the inner wall of the water tank quickly, and the impurities can be separated from the cleaning brush through the rotation and centrifugal effect of the cleaning brush roller, guarantee that the cleaning brush roller does not accumulate impurities during the continuous use, and improve the cleaning effect. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0021] Figure 1The utility model discloses a structure schematic drawing of the utility model;

[0022] Figure 2 The utility model discloses the internal structure schematic drawing of the water return tank of the utility model;

[0023] Figure 3 The utility model discloses the Figure 2 The utility model discloses the A part enlarged schematic drawing of

[0024] Mark explanation:

[0025] 1, water return tank, 2, cold water tank, 3, heat exchange pipe, 4, hot water pipe, 5, water inlet pipe, 6, tank cover, 7, tank, 8, cleaning brush roller, 9, blow-off pipe, 10, blow-off pump, 11, drive motor, 12, drive belt, 13, vertical rod, 14, transmission wheel, 15, support pipe, 16, rotating rod, 17, ring inner gear ring, 18, transmission gear, 19, blow-off slope, 20, connecting bolt. Specific implementation

[0026] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in the following with the drawings.

[0027] The utility model discloses a kind of middle-deep geothermal heat supply devices.

[0028] The utility model provides a kind of middle-deep geothermal heat supply device as Figures 1-3 As shown in the drawing, a kind of middle-deep geothermal heat supply device includes water return tank 1, cold water tank 2 and heat exchange pipe 3, and hot water pipe 4 is communicated between water return tank 1 and heat exchange pipe 3, and water inlet pipe 5 is arranged between cold water tank 2 and heat exchange pipe 3;

[0029] Water return tank 1 includes tank cover 6 and tank 7, and tank cover 6 is covered on the top of tank 7, and connecting groove is formed in the top four corners of tank cover 6, connecting bolt 20 is threadedly passed in connecting groove, and the threaded end of connecting bolt 20 extends into the inside of tank 7, and two symmetrical cleaning brush rollers 8 are arranged on the inner wall of tank 7, and driving cleaning mechanism is arranged on the bottom of tank cover 6, and driving cleaning mechanism is connected with cleaning brush roller 8;

[0030] The inner wall bottom of tank 7 is provided with blow-off slope 19, and blow-off pipe 9 is communicated at the lower end of the opposite side wall of water return tank 1, and blow-off pump 10 is fixedly sleeved on the pipe wall of blow-off pipe 9.

[0031] When the heat supply device is used, heat exchange pipe 3 is inserted into the ground, and the inside of heat exchange pipe 3 is heated by geothermal heat, at this time, cold water in cold water tank 2 enters heat exchange pipe 3 through cold water pipe 5 to exchange heat, and the water after heat exchange is pumped into water return tank 1 through hot water pipe 4 to be stored and used;

[0032] And in the backwater tank 1 long time use, can drive cleaning brush roller 8 along the inner wall of the tank 7 movement, so that the cleaning brush roller 8 bristle on the tank 7 inner wall attached to the dirt cleaning, and the cleaning of impurities through the sewage slope 19 into the sewage pipe 9, finally by opening the sewage pump 10 and make the sewage tank 1 sewage impurities.

[0033] In order to improve the cleaning brush roller 8 on the tank 1 inner wall impurities cleaning effect, as shown in Figures 2-3 The driving mechanism includes a drive motor 11 and drive belt 12, the bottom of the tank cover 6 four corners are rotatably provided with a vertical rod 13, drive motor 11 is fixedly arranged on the top of the tank cover 6, and the output shaft end is fixedly connected with the vertical rod 13, the rod wall of the plurality of vertical rod 13 is fixedly sleeved with a transmission wheel 14, the drive belt 12 is transmission sleeved on the outside of the plurality of transmission wheel 14, the outer wall of the drive belt 12 is fixedly provided with a support tube 15, the inside lower end of the support tube 15 is rotatably provided with a rotating rod 16, the support tube 15 is rotatably arranged on the outside of the rotating rod 16 through the inside bearing thereof, the rotating rod 16 is fixedly arranged on the top of the cleaning brush roller 8, the bottom of the tank cover 6 is fixedly provided with an annular inner gear ring 17, the outer wall of the rotating rod 16 is fixedly sleeved with a transmission gear 18, and the transmission gear 18 is arranged in cooperation with the annular inner gear ring 17.

[0034] Before the cleaning work, open the drive motor 11, so that the drive motor 11 drives the lower end of the vertical rod 13 to rotate, at this time the drive belt 12 can rotate itself under the transmission cooperation of the plurality of transmission wheel 14, so that the support tube 15 can drive the cleaning brush roller 8 to move along the inner wall of the tank 7 for cleaning, in the process, through the meshing of the transmission gear 18 and the annular inner gear ring 17, the rotating rod 16 can drive the cleaning brush roller 8 to rotate under the support of the support tube 15, so that the cleaning brush roller 8 also rotates at high frequency to improve the cleaning effect of the impurities on the inner wall of the tank 7, and in the process of rotating the cleaning brush roller 8, the impurities accumulated outside are thrown to the bottom of the tank 7 through the centrifugal effect of the cleaning brush roller 8, so that the cleaning brush roller 8 can continuously and stably clean the impurities.

[0035] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for those skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above description and drawings are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. A medium-deep geothermal heating device, comprising a return water tank (1), a cold water tank (2), and heat exchange pipes (3), characterized in that, A hot water pipe (4) is provided between the return water tank (1) and the heat exchange pipe (3), and a water inlet pipe (5) is provided between the cold water tank (2) and the heat exchange pipe (3). The return water tank (1) includes a tank cover (6) and a tank body (7). The tank cover (6) covers the top of the tank body (7). The inner wall of the tank body (7) is provided with two symmetrically arranged cleaning brush rollers (8). The bottom of the tank cover (6) is provided with a driving cleaning mechanism, which is connected to the cleaning brush rollers (8). The lower end of the side wall of the return water tank (1) is connected to a sewage pipe (9), and a sewage pump (10) is fixedly sleeved on the wall of the sewage pipe (9).

2. The medium-deep geothermal heating device according to claim 1, characterized in that, The driving cleaning mechanism includes a drive motor (11) and a drive belt (12). Vertical rods (13) are rotatably inserted at the four corners of the bottom of the box cover (6). The drive motor (11) is fixedly installed on the top of the box cover (6), and the end of the output shaft is fixedly connected to the vertical rods (13). The rod walls of the multiple vertical rods (13) are fixedly fitted with transmission wheels (14). The drive belt (12) is driven and fitted on the outside of the multiple transmission wheels (14). The outer wall of the drive belt (12) is fixedly fitted with a support tube (15). The lower end of the support tube (15) is rotatably inserted with a rotating rod (16). The rotating rod (16) is fixedly installed on the top of the cleaning brush roller (8).

3. The medium-deep geothermal heating device according to claim 2, characterized in that, The bottom of the box cover (6) is fixedly provided with an annular internal gear ring (17), and the outer wall of the rotating rod (16) is fixedly sleeved with a transmission gear (18), which is configured to cooperate with the annular internal gear ring (17).

4. The medium-deep geothermal heating device according to claim 1, characterized in that, The bottom of the inner wall of the box (7) is provided with a drainage slope (19).

5. The medium-deep geothermal heating device according to claim 1, characterized in that, The top four corners of the box cover (6) are provided with connecting grooves, and connecting bolts (20) are threaded through the connecting grooves. The threaded end of the connecting bolts (20) extends into the box body (7).

6. The medium-deep geothermal heating device according to claim 2, characterized in that, The support tube (15) is rotatably located on the outside of the rotating rod (16) via its internal bearing.

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