Temperature regulation and control device for vertical shaft
By designing heating and refrigeration pipelines in the vertical wellbore combined with hot and cooling exchangers and ventilation mechanisms to adjust the wellbore temperature, the problems of ice in winter and high temperatures in summer are solved, safe and reliable temperature control is achieved, and the working environment and production efficiency are improved.
Patent Information
- Application Number
- CN202420868880.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-24
AI Technical Summary
The temperature of the vertical wellbore is too low in winter and the temperature in summer leads to the risk of heatstroke, affecting the production efficiency and safety of the operators.
A temperature control device including heating pipes, cold water pipes, return water pipes, ventilation mechanisms and hot and cold exchangers is designed. The heating or cooling water is heated or cooled through the hot and cold exchanger and then sent to the wellhead yard by the ventilation mechanism. , adjust the wellbore temperature, combine the mining air cooler and explosion-proof fan to achieve temperature regulation.
It effectively avoids the freezing and ice phenomenon of wellbores, ensures that the winter temperature remains above 5℃ and the summer temperature is below 27℃, improves the operating environment, reduces operating costs, and improves safety and production efficiency.
Smart Images
Figure CN222141244U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mine temperature control, in particular to a vertical shaft temperature control device. Background Art
[0002] A vertical shaft, also known as a vertical shaft, is a vertical tunnel directly connected to the ground. The characteristics of a vertical shaft are great depth, large cross-sectional area, and complex hydrogeological conditions. Compared with a horizontal tunnel (or tunnel), the construction is difficult, the construction technology is complex, and the construction period is long. A vertical shaft is generally divided into three types: main shaft, auxiliary shaft, and ventilation shaft. The auxiliary shaft is used to lift personnel, materials, equipment, and waste rock, and also serves as an air intake shaft.
[0003] The auxiliary shaft of Zhujidong Coal Mine is designed with a vertical shaft floor friction hoist, with a lifting level elevation of -930.45m and a shaft diameter of 8.9m. The current situation is that the temperature is low in winter and the shaft temperature will drop below zero. Maintenance personnel are required to inspect and remove ice in the shaft, which affects production efficiency and brings certain safety hazards to operators. In hot summer weather, there is no cooling channel for the air entering the wellhead, and the temperature rises to more than 40°C. The shaft temperature rises, and operators at the wellhead and bottom of the well are prone to heatstroke. Utility Model Content
[0004] The technical problem to be solved by the utility model is how to regulate the temperature of the shaft of a vertical well and improve the working environment of the operators.
[0005] The utility model solves the above technical problems through the following technical means:
[0006] The utility model provides a vertical shaft temperature control device, comprising a heating pipeline, a cold water pipeline, a return water pipeline, a ventilation mechanism, a heat-cold exchanger and an air inlet of a wellhead parking lot; the heating pipeline, the cold water pipeline and the return water pipeline are connected to the heat-cold exchanger, one end of the heat-cold exchanger is fixedly connected to the ventilation mechanism, and the other end is connected to the air inlet of the wellhead parking lot.
[0007] Beneficial effects: The temperature control device of the present application provides heating through a heating pipeline, and the heating air is heated by a heat-cold exchanger and then sent into the air inlet of the wellhead parking lot through a ventilation mechanism, thereby increasing the temperature of the wellbore in winter and solving the problem of freezing and icing caused by low temperatures at the wellhead and wellbore; the temperature control device of the present application provides cooling water through a cold water pipeline, and the cooling water cools the air through a heat-cold exchanger to provide cool air, and sends the cool air into the air inlet of the wellhead parking lot through a ventilation mechanism, thereby reducing the temperature of the wellbore in summer, adjusting the temperature and humidity of the wellhead and wellbore inlet air, and improving the working environment of the wellhead operators, and the cooling water finally flows out through the return water pipeline.
[0008] Preferably, the heating pipeline, cold water pipeline and return water pipeline are all fixedly installed with stop valves.
[0009] Preferably, the cold water pipeline is first connected to the heating pipeline, and then connected to the heat-cold exchanger through the heating pipeline.
[0010] Preferably, the heat-cooling exchanger is a mining air cooler.
[0011] Preferably, the heat-cooling exchanger is an air cooler which can be repaired and continued to be used after being eliminated from the mine.
[0012] Preferably, the ventilation mechanism is a mining ventilator.
[0013] Preferably, the ventilation mechanism is a mine-use explosion-proof press-in counter-rotating axial flow local ventilator.
[0014] Preferably, a filter is fixedly installed on the heating pipeline.
[0015] Preferably, the heating pipeline is connected to the mine heating system to provide heating.
[0016] Preferably, the cold water pipeline is connected to the mine refrigeration station to output cooling water to provide cool air, and the cooling water output by the mine refrigeration station passes through a heat-cold exchanger and then flows out through a return water pipeline.
[0017] The advantages of the utility model are:
[0018] (1) The present application utilizes an air cooler that has been repaired and can continue to be used after being eliminated from a mine, in combination with the hot and hot pipes of the mine heating system and a mine explosion-proof press-in counter-rotating axial flow local ventilator to form a vertical shaft temperature control device. In summer, the input end of the heat-cold exchanger is connected to a cold water pipe, and in winter, the heat-cold exchanger is connected to a heating pipe. Hot air or cold air is delivered to the shaft mouth parking lot through the local ventilator, thereby changing the temperature and humidity of the vertical shaft environment.
[0019] (2) This application utilizes the heat exchange function of the mine air cooler, combined with existing mine equipment, to improve the climate environment of the auxiliary shaft parking lot and shaft. In winter, the temperature of the shaft can be kept above 5°C, effectively avoiding the freezing and icicles in the shaft, and preventing personal injury accidents caused by falling icicles, thus ensuring the safety of the personnel hoisting in the auxiliary shaft. In summer, the air temperature entering the shaft is ensured to be below 27°C, providing cool air for the wellhead, reducing the hot and dry air entering the shaft, and regulating the shaft climate environment.
[0020] (3) The vertical shaft temperature control device of the present application can control the wellhead environmental temperature in winter and summer according to the access to different hot (cold) media. The present application has low operating cost, stable and reliable operation, and obvious effect in improving the wellhead and shaft environmental temperature; the equipment used in the present application is old equipment repaired in the mine, and there is basically no maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic structural diagram of a vertical shaft temperature control device of Example 1;
[0022] Figure 2 This is a schematic structural diagram of a vertical shaft temperature control device of Example 2;
[0023] In the figure: 10 - heating pipeline; 11 - stop valve; 20 - cold water pipeline; 30 - return water pipeline; 40 - ventilation mechanism; 50 - heat-cold exchanger; 60 - shaft parking lot air inlet. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] If no specific techniques or conditions are specified in the examples, they can be carried out according to the techniques or conditions described in the literature in the art or according to the product instructions.
[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. The orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0027] Example 1
[0028] refer to Figure 1 The present embodiment provides a vertical shaft temperature control device, including a heating pipeline 10, a cold water pipeline 20, a return water pipeline 30, a ventilation mechanism 40, a heat exchanger 50, a wellhead parking lot air inlet 60 and a stop valve 11; the heating pipeline 10 and the return water pipeline 30 are connected to the heat exchanger 50, the cold water pipeline 20 is fixedly connected to the heating pipeline 10, one end of the heat exchanger 50 is fixedly connected to the output end of the ventilation mechanism 40, and the other end is connected to the wellhead parking lot air inlet 60. The heating pipeline 10, the cold water pipeline 20 and the return water pipeline 30 are all fixedly installed with a stop valve 11, and a filter (not shown) is fixedly installed on the heating pipeline 10. The filter is installed at one end close to the heat exchanger 50 and below the connection between the cold water pipeline 20 and the heating pipeline 10. The heating pipeline 10 is connected to the hot steam of the mine heating system to provide heating, and the cold water pipeline 20 is connected to the cooling water output by the mine refrigeration station to provide cooling. The cooling water output by the mine refrigeration station passes through the heat exchanger 50 and then flows out through the return water pipeline 30.
[0029] The ventilation mechanism 50 is a mine-use explosion-proof press-in counter-rotating axial flow local ventilator. The model used in this embodiment is FBD No. 7.5 / 2×55. The local ventilator serves as a power source for the shaft temperature control device.
[0030] The heat exchanger 50 is an old air cooler that has been eliminated from mining and is used after being repaired. The heat exchanger 50 serves as a cold (heat) exchange element of a shaft temperature control device.
[0031] The working principle of the vertical shaft temperature control device of this embodiment is as follows:
[0032] In winter, close the stop valves of the cold water pipeline 20 and the return water pipeline 30, open the stop valve of the heating pipeline 10, and the warm air passes through the heating pipeline 10 and the filter and enters the heat-cold exchanger. The warm air heats the air through the heat dissipation fins in the heat-cold exchanger 50. The air around the fins of the heat-cold exchanger 50 is quickly heated. Turn on the local ventilator and send the heated air into the wellhead yard through the wellhead yard air inlet 60. The heated air is mixed with the original wellbore air intake to regulate the temperature and humidity of the wellbore environment.
[0033] In summer, the shut-off valve of the heating pipeline 10 is closed, and the shut-off valves of the cold water pipeline 20 and the return water pipeline 30 are opened. The cooling water passes through the cold water pipeline 20, the heating pipeline 10 and the filter and enters the heat-cold exchanger 50. The cool air cools the air through the heat dissipation fins in the heat-cold exchanger 50. The air around the fins of the heat-cold exchanger 50 is quickly cooled. The local ventilator is turned on to send the cold air into the wellhead yard through the wellhead yard air inlet 60. The cold air is mixed with the original wellbore air intake to regulate the wellbore environmental temperature and humidity, and the used cooling water flows out through the return water pipeline 30.
[0034] The vertical shaft temperature control device of this embodiment has the following beneficial effects:
[0035] (1) Low production cost. All equipment and pipelines in this embodiment utilize old equipment and pipelines in the mine. There is no need to purchase new equipment and pipelines, thus saving production costs.
[0036] (2) The cooling and heating medium of the shaft temperature control device is the cooling water output by the mine refrigeration station and the hot steam of the mine heating system, and the medium is stable.
[0037] (3) Easy installation, the vertical shaft temperature control device operates stably and reliably. In winter, low temperature weather solves the harm of shaft freezing, ensuring that no personal injury accidents caused by falling ice will occur during the operation of the workers. In hot summer, the air inlet temperature of the wellhead and shaft is reduced, the air inlet environment of the shaft is improved, and the working environment of the wellhead workers is improved.
[0038] Example 2
[0039] refer to Figure 2 The present embodiment provides a vertical shaft temperature control device. The present embodiment is different from the embodiment 1 in that the present embodiment is provided with two cold and heat exchangers 50, the heating pipeline 10 is divided from one pipeline into two heating branch pipelines which are respectively connected to the two cold and heat exchangers 50, the cold water pipeline 20 is divided into two cold water branch pipelines, the two cold water branch pipelines are respectively fixedly connected to the two heating branch pipelines, the return water pipeline 30 is divided into two return water branch pipelines which are respectively connected to the two cold and heat exchangers 50, the output end of the ventilation mechanism 40 is respectively connected to the two cold and heat exchangers, the two cold and heat exchangers 50 are respectively connected to the two wellhead parking lot air inlets 60, the heating branch pipeline, the cold water branch pipeline and the return water branch pipeline are all fixedly installed with stop valves, the two heating branch pipelines are both fixedly installed with filters (not shown), the filters are installed at one end close to the cold and heat exchanger 50 and below the connection between the cold water branch pipeline and the heating branch pipeline.
[0040] The present embodiment forms a dual-channel temperature control device for the vertical shaft by setting two heat exchangers 50. The dual-channel temperature control device of the present embodiment ensures that the shaft temperature is maintained above 5°C in low-temperature winter weather, effectively avoiding ice and icing in the shaft, and will not cause personal injury accidents caused by falling icicles, thereby ensuring the safety of the lives of the auxiliary shaft workers; it also ensures that the temperature of the air entering the shaft in high-temperature summer weather is below 27°C, providing cool air for the wellhead, ensuring that the workers will not suffer from heatstroke, and also adjusting the temperature and humidity of the shaft environment.
[0041] The working principle of the vertical shaft dual-channel temperature control device of this embodiment is as follows:
[0042] In winter, close the stop valves of the cold water pipeline 20 and the return water pipeline 30 as well as the stop valves of the cold water branch pipeline and the return water branch pipeline, open the stop valve of the heating pipeline 10 and the stop valve of the heating branch pipeline, and the warm air is divided into two through the heating pipeline 10 and enters two heating branch pipelines and two filters, and enters two heat-cold exchangers 50 respectively. The warm air heats the air through the heat dissipation fins in the heat-cold exchanger 50, and the air around the fins of the heat-cold exchanger 50 is quickly heated. Turn on the local ventilator and send the heated air into the wellhead yard through two wellhead yard air inlets 60. The heated air is mixed with the original wellbore air intake to regulate the wellbore environmental temperature and humidity.
[0043] In summer, the shut-off valve of the heating pipeline 10 and the shut-off valve of the heating branch pipeline are closed, and the shut-off valves of the cold water pipeline 20 and the return water pipeline 30 as well as the shut-off valves of the cold water branch pipeline and the return water branch pipeline are opened. The cooling water is divided into two into two cold water branch pipelines through the cold water pipeline 20, passes through two heating branch pipelines and two filters, and enters two heat-cold exchangers 50 respectively. The cool air cools the air through the heat dissipation fins in the heat-cold exchanger 50, and the air around the fins of the heat-cold exchanger 50 is quickly cooled. The local ventilator is turned on to send the cold air into the wellhead yard through two wellhead yard air inlets 60. The cold air is mixed with the original wellbore intake air to regulate the wellbore environmental temperature and humidity. The used cooling water flows into the return water pipeline 30 through the return water branch pipeline and flows out.
[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A vertical shaft temperature control device, characterized in that: The invention comprises a heating pipeline (10), a cold water pipeline (20), a return water pipeline (30), a ventilation mechanism (40), a cold and heat exchanger (50) and a wellhead parking lot air inlet (60); the heating pipeline (10), the cold water pipeline (20) and the return water pipeline (30) are connected to the cold and heat exchanger (50); one end of the cold and heat exchanger (50) is fixedly connected to the ventilation mechanism (40), and the other end is connected to the wellhead parking lot air inlet (60).
2. The vertical shaft temperature control device according to claim 1 is characterized in that: The heating pipeline (10), the cold water pipeline (20) and the return water pipeline (30) are all fixedly installed with stop valves.
3. The vertical shaft temperature control device according to claim 1 is characterized in that: The cold water pipeline (20) is first connected to the heating pipeline (10), and then connected to the cold and heat exchanger (50) through the heating pipeline (10).
4. The vertical shaft temperature control device according to claim 1 is characterized in that: The heat exchanger (50) is an air cooler for mining.
5. The vertical shaft temperature control device according to claim 4 is characterized in that: The heat exchanger (50) is an air cooler that can be repaired and used again after being eliminated from the mine.
6. The vertical shaft temperature control device according to claim 1, characterized in that: The ventilation mechanism (40) is a mining ventilator.
7. The vertical shaft temperature control device according to claim 6, characterized in that: The ventilation mechanism (40) is a mine-use flameproof, press-in, counter-rotating axial flow local ventilator.
8. The vertical shaft temperature control device according to claim 3 is characterized in that: The heating pipeline (10) is fixedly provided with a filter.
9. The vertical shaft temperature control device according to claim 1, characterized in that: The heating pipeline (10) is connected to the mine heating system to provide heating.
10. The vertical shaft temperature control device according to claim 1, characterized in that: The cold water pipeline (20) is connected to the mine refrigeration station to output cooling water to provide cool air. The cooling water output from the mine refrigeration station passes through the cold and heat exchanger (50) and then flows out through the return water pipeline (30).