Hydraulic drive combination cabinet tail end and air conditioning system

Abstract

The utility model provides a hydraulically-driven combined cabinet tail end and an air conditioning system. The tail end of the driving combined cabinet comprises a cabinet body, an air inlet, an air outlet and an air duct arranged between the air inlet and the air outlet; the surface air cooler is arranged in the air duct, comprises a heat exchange tube and is configured to cool air in the air duct; the hydraulic fan comprises an air supply impeller and a water turbine, the air supply impeller is configured to drive air to flow out of the cabinet body from the air outlet after flowing through the air duct from the air inlet, and the water turbine is configured to drive the air supply impeller to rotate and comprises a working cavity, an inlet, an outlet and a driving impeller arranged in the working cavity, the driving impeller is in driving connection with the air supply impeller; and the water path system is connected with the heat exchange pipe of the surface air cooler and the working cavity of the water turbine in series so as to provide chilled water for heat exchange to the heat exchange pipe of the surface air cooler and provide chilled water for driving the impeller to rotate to the working cavity of the water turbine.

Description

Technical Field

[0001] The present application relates to air conditioning equipment, and in particular to a hydraulically driven combined cabinet terminal and an air conditioning system. Background Art

[0002] Coal plays a pivotal role in my country's economic construction. With the increasing depth of mine mining in my country, underground high temperature heat damage has become an important factor restricting coal mining. In order to eliminate the impact of mine heat damage and improve the working environment of coal miners, underground local refrigeration and air conditioning has been widely used in mines in my country. Underground local refrigeration and air conditioning effectively solves the problem of high temperature deep well heat damage, which is conducive to ensuring the safety of mine operations and improving production efficiency.

[0003] In the underground local refrigeration and air conditioning of the related technology, electric explosion-proof fans are usually used as air outlet equipment. Electric explosion-proof fans used in underground local refrigeration and air conditioning have poor adaptability and are prone to failure. In addition, due to the high temperature and high humidity environment, large dust and coal ash, and falling debris that damages the protection, the live operation of the fans is likely to increase safety hazards.

[0004] The above statements are only used to provide background information related to the present application and do not necessarily constitute prior art. Utility Model Content

[0005] The purpose of the present application is to provide a hydraulically driven combined cabinet terminal and an air conditioning system that drives a fan through hydraulic power, thereby helping to solve the problems caused by electrically driven fans.

[0006] The first aspect of the present application provides a hydraulic drive combined cabinet terminal, comprising:

[0007] A cabinet body, comprising an air inlet, an air outlet, and an air duct arranged between the air inlet and the air outlet;

[0008] A surface cooler is disposed in the air duct, comprises a heat exchange tube, and is configured to cool the air in the air duct;

[0009] A hydraulic fan, comprising an air supply impeller and a water turbine, wherein the air supply impeller is configured to drive the air to flow from the air inlet through the air duct and then out of the cabinet from the air outlet, and the water turbine is configured to drive the air supply impeller to rotate, comprising a working chamber, an inlet and an outlet communicated with the working chamber, and a driving impeller disposed in the working chamber, wherein the driving impeller is drivingly connected to the air supply impeller; and

[0010] A water system connects the heat exchange tubes of the cooler and the working chamber of the turbine in series to provide chilled water for heat exchange to the heat exchange tubes of the cooler and to provide chilled water for driving the impeller to rotate to the working chamber of the turbine.

[0011] In the hydraulic drive combination cabinet terminal described in some embodiments,

[0012] Along the flow direction of the chilled water in the water system, the heat exchange tube of the surface cooler is located upstream of the working chamber of the turbine; or

[0013] Along the flow direction of the chilled water in the water system, the heat exchange tube of the surface cooler is located downstream of the working chamber of the turbine.

[0014] In the hydraulic drive combined cabinet terminal described in some embodiments, the water system includes a first water inlet flow path, a connecting water flow path and a first water outlet flow path, wherein:

[0015] The first water inlet flow path is connected to the inlet of the heat exchange tube and is configured to introduce the chilled water into the heat exchange tube for heat exchange, the connecting water flow path is connected to the outlet of the heat exchange tube and the inlet of the turbine and is configured to introduce the chilled water flowing out of the heat exchange tube into the turbine to drive the driving impeller to rotate, and the first water outlet flow path is connected to the outlet of the turbine and is configured to lead the chilled water after work out of the turbine; or

[0016] The first water inlet flow path is connected to the inlet of the water turbine, and is configured to introduce the chilled water into the water turbine to impulse the driving impeller to rotate. The connecting water flow path is connected to the outlet of the water turbine and the inlet of the heat exchange tube, and is configured to introduce the chilled water flowing out of the water turbine into the heat exchange tube for heat exchange. The first water outlet flow path is connected to the outlet of the heat exchange tube, and is configured to lead the chilled water after heat exchange out of the heat exchange tube.

[0017] In the hydraulic drive combination cabinet terminal described in some embodiments,

[0018] The water system further includes a first water inlet valve, which is disposed on the first water inlet flow path and is configured to adjust the flow of the first water inlet flow path; or

[0019] The water channel system further includes a first water outlet valve, which is disposed on the first water outlet flow path and is configured to adjust the flow rate of the first water outlet flow path.

[0020] In the hydraulic drive combined cabinet terminal of some embodiments, the water system further includes a second water inlet flow path, the second water inlet flow path connects the first water inlet flow path and the connecting water flow path, and is configured to introduce the chilled water into the heat exchange tube for heat exchange without passing through the turbine; or,

[0021] The water system further includes a second water outlet flow path, which connects the connecting water flow path and the first water outlet flow path and is configured to lead the chilled water out from the heat exchange tube without passing through the turbine.

[0022] In the hydraulic drive combination cabinet terminal described in some embodiments,

[0023] The water system further includes a second water inlet valve, which is disposed on the second water inlet flow path and is configured to adjust the flow rate of the second water inlet flow path; or

[0024] The water channel system further includes a second water outlet valve, which is disposed on the second water outlet flow path and is configured to adjust the flow rate of the second water outlet flow path.

[0025] In the hydraulic drive combined cabinet terminal described in some embodiments, the hydraulic drive combined cabinet terminal includes more than two groups of surface coolers connected in parallel; wherein,

[0026] The first water inlet flow path includes a water inlet main path and two or more water inlet branches arranged in parallel downstream of the water inlet main path, the inlets of the heat exchange tubes of the two or more groups of surface coolers are respectively connected to the outlets of the two or more water inlet branches, the connecting water flow path includes a connecting main path and two or more connecting branches connected in parallel upstream of the connecting main path, the two or more connecting branches are respectively connected to the outlets of the heat exchange tubes of the two or more groups of surface coolers; or

[0027] The connecting water flow path includes a connecting main path and two or more connecting branches connected in parallel downstream of the connecting main path, the two or more connecting branches are respectively connected to the inlets of the heat exchange tubes of the two or more groups of surface coolers, and the first water outlet flow path includes two or more water outlet branches arranged in parallel and a water outlet main path connected downstream of the two or more water outlet branches, and the outlets of the heat exchange tubes of the two or more groups of surface coolers are respectively connected to the inlets of the two or more water outlet branches.

[0028] In the hydraulically driven combined cabinet end described in some embodiments, the hydraulically driven combined cabinet end includes two hydraulic fans, and the two air supply impellers of the two hydraulic fans are coaxially arranged back to back, and in the axial direction of the two air supply impellers, the surface cooler is located between the two air supply impellers.

[0029] In the hydraulic drive combination cabinet terminal described in some embodiments,

[0030] The end of the hydraulic drive combined cabinet includes two hydraulic fans;

[0031] The water system also includes a connecting pipeline, and the working chambers of the two water turbines of the two hydraulic fans are connected in series or in parallel through the connecting pipeline.

[0032] In the hydraulic drive combined cabinet terminal described in some embodiments, the cabinet body includes:

[0033] Framework; and

[0034] A sealing plate is connected to the frame and is used to form the wall of the air duct. The sealing plate includes double-layer metal plates arranged at intervals and a heat preservation plate arranged between the double-layer metal plates.

[0035] In the hydraulic drive combination cabinet terminal described in some embodiments, the water system further includes a drain valve, which is located at the bottom of the water system and is configured to drain the accumulated water in the water system from the water system.

[0036] In the hydraulically driven combined cabinet terminal described in some embodiments, the air inlet is arranged on the side surface of the cabinet body parallel to the axial direction of the air supply impeller, and the air outlet is arranged on the end surface of the cabinet body perpendicular to the axial direction of the air supply impeller.

[0037] A second aspect of the present application provides an air conditioning system, comprising:

[0038] A plurality of hydraulically driven combined cabinet ends, wherein the hydraulically driven combined cabinet ends are the hydraulically driven combined cabinet ends described in the first aspect of the present application;

[0039] A water inlet main pipe, to which the first water inlet flow paths at the ends of the plurality of hydraulic drive combined cabinets are connected; and

[0040] A water outlet main pipe, wherein the first water outlet paths at the ends of the plurality of hydraulic drive combination cabinets are connected to the water outlet main pipe.

[0041] In the air conditioning system of some embodiments, the ends of the plurality of hydraulic drive combination cabinets are arranged at intervals along the axial direction of the hydraulic fan.

[0042] Based on the end of the hydraulic drive combined cabinet provided by the present application, the chilled water entering the surface cooler flows through the water turbine of the hydraulic fan through the water system, so as to realize heat exchange with the air in the air duct on the one hand, and on the other hand, the mechanical energy of the chilled water is used to drive the driving impeller of the water turbine to rotate, and the water turbine drives the fan of the hydraulic fan to rotate, so that the mechanical energy of the chilled water can be converted into the kinetic energy of the fan, and then the air in the air duct is blown out through the fan. Especially when the end of the hydraulic drive combined cabinet is used in the mine, the chilled water transported from the ground to the mine is converted into kinetic energy due to a large amount of potential energy during the falling process. The chilled water entering the water turbine through the water system can directly drive the driving impeller of the water turbine to rotate due to its high flow rate. The chilled water can exchange heat with the air flowing into the air duct from the air inlet in the heat exchange pipe of the surface cooler, so as to cool the air in the air duct. The cooled air is discharged from the air outlet through the fan, and the chilled water after heat exchange with the air and after working flows out of the end of the hydraulic drive combined cabinet from the first outlet flow path of the water system. Therefore, the hydraulically driven combination cabinet end of the embodiment of the present application can utilize the mechanical energy impulse of the chilled water to drive the impeller on the one hand, and utilize the low temperature performance of the chilled water to cool the air on the other hand, thereby eliminating the need to provide electricity or other energy specifically for driving the fan to rotate, thereby making full and rational use of hydraulic resources and facilitating energy conservation and emission reduction.

[0043] The air conditioning system of the embodiment of the present application has the advantages of the hydraulically driven combined cabinet terminal of the embodiment of the present application.

[0044] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0046] Figure 1 This is a schematic diagram of the end of a hydraulic drive assembly cabinet according to an embodiment of the present application.

[0047] Figure 2 For Figure 1 The schematic diagram shown corresponds to a three-dimensional structural schematic diagram of the end of a hydraulic drive combination cabinet in some embodiments of the present application.

[0048] Figure 3 for Figure 2 The main structural schematic diagram of the end of the hydraulic drive combination cabinet is shown.

[0049] Figure 4 for Figure 2 The schematic diagram of the structure of the top view of the end of the hydraulic drive combination cabinet is shown.

[0050] Figure 5 for Figure 2 The left side structural schematic diagram of the end of the hydraulic drive combination cabinet is shown.

[0051] Figure 6 for Figure 2 The right side structural schematic diagram of the end of the hydraulic drive combination cabinet is shown.

[0052] Figure 7 for Figure 2 The three-dimensional structural schematic diagram of the end of the hydraulic drive combination cabinet is shown with part of the structure removed.

[0053] Figure 8 for Figure 2 The three-dimensional structural schematic diagram of the end of the hydraulic drive combination cabinet is shown with part of the structure removed.

[0054] Fig. 9 for Figure 2 The three-dimensional structural diagram of the hydraulic fan at the end of the hydraulic drive combination cabinet and part of the pipes of the water system connected to the hydraulic fan is shown.

[0055] Fig.10 for Figure 2 Schematic diagram of air flow at the end of the hydraulic drive combination cabinet shown.

[0056] Fig.11 This is a schematic diagram of the end of a hydraulically driven combination cabinet according to some embodiments of the present application.

[0057] Fig.12 for Fig.11 The main structural schematic diagram of the end of the hydraulic drive combination cabinet is shown.

[0058] Fig.13 for Fig.11 The schematic diagram of the structure of the top view of the end of the hydraulic drive combination cabinet is shown.

[0059] Fig.14 for Fig.11 The left side structural schematic diagram of the end of the hydraulic drive combination cabinet is shown. DETAILED DESCRIPTION

[0060] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0061] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0062] In the description of the present application, it should be understood that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present application.

[0063] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0064] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0065] like Figures 1 to 14 As shown, the present application provides a hydraulically driven combined cabinet terminal and an air conditioning system.

[0066] The end of the hydraulically driven combined cabinet includes a cabinet body 1, an air cooler 2, a hydraulic fan 3 and a water system 4. The cabinet body 1 has an air inlet 1A, an air outlet 1B and an air duct arranged between the air inlet 1A and the air outlet 1B. The air cooler 2 is arranged in the air duct, including a heat exchange tube, and the air cooler 2 is configured to cool the air in the air duct. The hydraulic fan 3 includes an air supply impeller 31 and a water turbine 32. The air supply impeller 31 is configured to drive the air to flow from the air inlet 1A through the air duct and then flow out of the cabinet body 1 from the air outlet 1B. The water turbine 32 is configured to drive the air supply impeller 31 to rotate, and includes a working chamber, an inlet and an outlet connected to the working chamber, and a driving impeller arranged in the working chamber, and the driving impeller is drivingly connected to the air supply impeller 31. The water system 4 connects the heat exchange tubes of the cooler 2 and the working chamber of the turbine 32 in series to provide chilled water for heat exchange to the heat exchange tubes of the cooler 2 and to provide chilled water for impulse driving the impeller to rotate to the working chamber of the turbine 32.

[0067] At the end of the hydraulically driven combined cabinet of the embodiment of the present application, the chilled water entering the surface cooler 2 flows through the water turbine 32 of the hydraulic fan 3 through the water system 4, which, on the one hand, realizes heat exchange with the air in the air duct, and on the other hand, uses the mechanical energy of the chilled water to impulse the driving impeller of the water turbine 32 to rotate, and the water turbine 32 drives the air supply impeller 31 of the hydraulic fan 3 to rotate, thereby converting the mechanical energy of the chilled water into the kinetic energy of the air supply impeller 31, and then blowing the air in the air duct out through the air supply impeller 31. Especially when the end of the hydraulic drive combined cabinet is used in the mine, the chilled water transported from the ground to the mine converts a large amount of potential energy into kinetic energy during the falling process. The chilled water entering the turbine 32 through the water system 4 can directly drive the driving impeller of the turbine 32 to rotate because of its high flow rate. The chilled water can exchange heat with the air flowing into the air duct from the air inlet 1A in the heat exchange pipe of the surface cooler 2, so that the air in the air duct is cooled. The cooled air is discharged from the air outlet 1B through the air supply impeller 31. The chilled water after heat exchange with the air and after work flows out of the end of the hydraulic drive combined cabinet from the first water outlet flow path 43 of the water system 4. Therefore, the end of the hydraulic drive combined cabinet of the embodiment of the present application can use the mechanical energy impulse of the chilled water to drive the impeller on the one hand, and can use the low temperature performance of the chilled water to cool the air on the other hand, so that there is no need to provide electricity or other energy specifically for driving the air supply impeller 31 to rotate, so that the hydraulic resources are fully and reasonably utilized, which is conducive to energy saving and emission reduction.

[0068] like Figures 1 to 10 As shown, in some embodiments, at the end of the hydraulic drive assembly cabinet, along the flow direction of the chilled water in the water system 4 , the heat exchange pipe of the surface cooler 2 is located upstream of the working chamber of the turbine 32 .

[0069] The heat exchange tubes of the surface cooler 2 are located upstream of the working chamber of the turbine 32, which is conducive to fully utilizing the cooling capacity of the chilled water.

[0070] like Figures 11 to 14As shown, in some embodiments, at the end of the hydraulic drive assembly cabinet, along the flow direction of the chilled water in the water system 4 , the heat exchange pipe of the surface cooler 2 is located downstream of the working chamber of the turbine 32 .

[0071] The heat exchange tubes of the surface cooler 2 are located downstream of the working chamber of the turbine 32, which is conducive to fully utilizing the kinetic energy of the chilled water.

[0072] like Figures 1 to 10 As shown, in the end of the hydraulic drive combined cabinet in some embodiments, the waterway system 4 includes a first water inlet flow path 41, a connecting water flow path 42 and a first water outlet flow path 43. The first water inlet flow path 41 is connected to the inlet of the heat exchange tube and is configured to introduce chilled water into the heat exchange tube for heat exchange. The connecting water flow path 42 is connected to the outlet of the heat exchange tube and the inlet of the turbine 32 and is configured to introduce the chilled water flowing out of the heat exchange tube into the turbine 32 to drive the impeller to rotate by impulse. The first water outlet flow path 43 is connected to the outlet of the turbine 32 and is configured to lead the chilled water after work from the turbine 32.

[0073] Through the above arrangement of the water system 4 , the heat exchange pipes of the surface cooler 2 can be arranged upstream of the working chamber of the turbine 32 .

[0074] like Figures 11 to 14 As shown, in the end of the hydraulic drive combined cabinet in some embodiments, the waterway system 4 includes a first water inlet flow path 41, a connecting water flow path 42 and a first water outlet flow path 43. The first water inlet flow path 41 is connected to the inlet of the water turbine 32, and is configured to introduce chilled water into the water turbine 32 to drive the impeller to rotate by impulse. The connecting water flow path 42 is connected to the outlet of the water turbine 32 and the inlet of the heat exchange tube, and is configured to introduce the chilled water flowing out of the water turbine 32 into the heat exchange tube for heat exchange. The first water outlet flow path 43 is connected to the outlet of the heat exchange tube, and is configured to lead the chilled water after heat exchange from the heat exchange tube.

[0075] Through the above arrangement of the water system 4 , the heat exchange pipes of the surface cooler 2 can be arranged downstream of the working chamber of the turbine 32 .

[0076] like Figures 11 to 14 As shown, in some embodiments of the hydraulic drive combination cabinet end, the water system 4 also includes a first water inlet valve 47, which is disposed on the first water inlet flow path 41 and is configured to adjust the flow of the first water inlet flow path 41.

[0077] In the hydraulic drive combination cabinet terminal of some embodiments, the water system further includes a first water outlet valve, which is disposed on the first water outlet flow path and is configured to adjust the flow rate of the first water outlet flow path.

[0078] The first water inlet valve 47 or the first water outlet valve is provided to adjust the amount of water entering the turbine 32 and the cooler 2 by adjusting the opening of the first water inlet valve 47 or the first water outlet valve, thereby adjusting the rotation speed of the turbine 32 and the heat exchange capacity of the cooler 2, thereby adjusting the air volume and air temperature at the end of the hydraulic drive combination cabinet.

[0079] like Figures 11 to 14 As shown, in some embodiments, at the end of the hydraulically driven combination cabinet, the water system 4 also includes a second water inlet flow path 45, which is connected to the first water inlet flow path 41 and the connecting water flow path 42, and is configured to introduce the chilled water into the heat exchange tube for heat exchange without passing through the turbine 32.

[0080] In some embodiments not shown in the figure, at the end of the hydraulically driven combination cabinet, the water system also includes a second water outlet flow path, which is connected to the connecting water flow path and the first water outlet flow path 43 and is configured to lead the chilled water out from the heat exchange tube without passing through the turbine.

[0081] A second water inlet flow path 45 or a second water outlet flow path is provided, and the chilled water can be directly introduced into the heat exchange tube of the surface cooler 2 through the second water inlet flow path 45, or the chilled water can be directly led out of the surface cooler 2 through the second water outlet flow path without passing through the turbine 32, thereby reducing the correlation between the surface cooler 2 and the turbine 32, improving the adjustability of the heat exchange capacity of the surface cooler 2, and facilitating better regulation of the air temperature of the space where the end of the hydraulic drive combination cabinet is located.

[0082] like Figures 11 to 14 As shown, in some embodiments of the hydraulic drive combination cabinet end, the water system 4 also includes a second water inlet valve 48, which is disposed on the second water inlet flow path 45 and is configured to adjust the flow of the second water inlet flow path 45.

[0083] In the hydraulic drive combination cabinet terminal of some embodiments, the water system further includes a second water outlet valve, which is disposed on the second water outlet flow path and is configured to adjust the flow rate of the second water outlet flow path.

[0084] The second water inlet valve 48 or the second water outlet valve can be provided to independently adjust the heat exchange capacity of the surface cooler 2 by adjusting the opening of the second water inlet valve 48 or the second water outlet valve, thereby facilitating independent adjustment of the air temperature without adjusting the air volume.

[0085] like Figures 1 to 10As shown, in the hydraulic drive combined cabinet terminal of some embodiments, the hydraulic drive combined cabinet terminal includes two or more sets of surface coolers 2 connected in parallel. The first water inlet flow path 41 includes a water inlet main path and two or more water inlet branches arranged in parallel downstream of the water inlet main path, the inlets of the heat exchange tubes of the two or more sets of surface coolers 2 are respectively connected to the outlets of the two or more water inlet branches, and the connecting water flow path 42 includes a connecting main path and two or more connecting branches connected in parallel upstream of the connecting main path, and the two or more connecting branches are respectively connected to the outlets of the heat exchange tubes of the two or more sets of surface coolers 2.

[0086] like Figures 11 to 14 As shown, in the hydraulic drive combined cabinet terminal of some embodiments, the hydraulic drive combined cabinet terminal includes two or more sets of surface coolers 2 connected in parallel. The connecting water flow path 42 includes a connecting main path and two or more connecting branches connected in parallel to the downstream of the connecting main path, and the two or more connecting branches are respectively connected to the inlets of the heat exchange tubes of the two or more sets of surface coolers 2; the first water outlet flow path 43 includes two or more water outlet branches arranged in parallel and a water outlet main path connected to the downstream of the two or more water outlet branches, and the outlets of the heat exchange tubes of the two or more sets of surface coolers 2 are respectively connected to the inlets of the two or more water outlet branches.

[0087] The end of the hydraulic drive combined cabinet has multiple sets of surface coolers 2, which is beneficial to improving the air processing capacity of the end of the hydraulic drive combined cabinet.

[0088] like Figures 1 to 10 As shown, in some embodiments, the hydraulically driven combined cabinet end includes two hydraulic fans 3, and the two air supply impellers 31 of the two hydraulic fans 3 are coaxially arranged back to back. In the axial direction of the two air supply impellers 31, the surface cooler 2 is located between the two air supply impellers 31.

[0089] The provision of two hydraulic fans 3 is beneficial to improving the air processing capacity of the end of the hydraulic drive combined cabinet.

[0090] like Figures 1 to 10 As shown, in some embodiments, the hydraulic drive cabinet end includes two hydraulic fans 3; the water system 4 also includes a connecting pipe 44, and the working chambers of the two turbines 32 of the two hydraulic fans 3 are connected in series or in parallel through the connecting pipe 44.

[0091] The two water turbines 32 can be driven to rotate simultaneously by chilled water through the connecting pipe 44 , which is beneficial for the synchronous and coordinated movement of the two water turbines 32 and helps to reduce the complexity and length of the pipes of the water system 4 .

[0092] In the hydraulic drive combined cabinet terminal of some embodiments, the cabinet body 1 includes a frame 11 and a sealing plate 12. The sealing plate 12 is connected to the frame 11 and is used to form the wall surface of the air duct. The sealing plate 12 includes a double-layer metal plate arranged at intervals and an insulation plate arranged between the double-layer metal plates.

[0093] The sealing plate 12 is provided in the form of a double-layer metal plate and a heat-insulating plate sandwich, which is beneficial to heat-insulating the air in the air duct and can also achieve flame retardant and anti-static functions. The heat-insulating plate can be, for example, a polyurethane plate.

[0094] In the end of the hydraulic drive combination cabinet in some embodiments, the water system 4 further includes a drain valve 46 , which is located at the bottom of the water system 4 and is configured to drain the accumulated water in the water system 4 from the water system 4 .

[0095] The drain valve 46 can be used to drain the accumulated water in the water system 4 when the water system 4 is inspected, which is beneficial to the inspection work. In addition, when the air conditioning system is suspended, the accumulated water in the water system 4 can also be drained through the drain valve 46, which is beneficial to prevent the water system 4 from being corroded due to the accumulated water.

[0096] In the hydraulically driven combined cabinet terminal of some embodiments, the air inlet 1A is arranged on the axial side of the cabinet body 1 parallel to the air supply impeller 31 , and the air outlet 1B is arranged on the axial end face of the cabinet body 1 perpendicular to the air supply impeller 31 .

[0097] Reasonable setting of the positions of the air inlet 1A and the air outlet 1B can increase the flow rate of the air processed at the end of the hydraulic drive combination cabinet.

[0098] The embodiment of the present application also provides an air conditioning system, which includes a plurality of hydraulic drive cabinet terminals. The hydraulic drive cabinet terminal is the hydraulic drive cabinet terminal of the embodiment of the present application. The air conditioning system also includes a water inlet main pipe and a water outlet main pipe. A plurality of first water inlet flow paths 41 of the plurality of hydraulic drive cabinet terminals are connected to the water inlet main pipe. A plurality of first water outlet flow paths 43 of the plurality of hydraulic drive cabinet terminals are connected to the water outlet main pipe.

[0099] The air conditioning system can supply chilled water to the ends of a plurality of hydraulically driven combined cabinets arranged at different positions through the same water inlet main pipe and the same water outlet main pipe, thereby reducing the water pipes required for water introduction to and water discharge from the air conditioning system, which is conducive to cost saving and operation reduction.

[0100] In the air conditioning system of some embodiments, the ends of the plurality of hydraulic drive combination cabinets are arranged at intervals along the axial direction of the hydraulic fan 3. This arrangement is conducive to arranging the air conditioning system in a narrow and long space. For example, the air conditioning system can be arranged along the mine tunnel, so that the air conditioning system reduces the lateral space occupied by the mine tunnel, thereby facilitating passage and operation.

[0101] The following combination Figures 1 to 14 The hydraulic drive combined cabinet terminal and the air conditioning system in some embodiments of the present application are further described. For the parts not described in the following embodiments, reference can be made to the relevant descriptions in other parts of the present application.

[0102] Figures 1 to 10 The hydraulic driven cabinet terminal of some embodiments of the present application is shown. The hydraulic driven cabinet terminal mainly includes a cabinet body 1, a surface cooler 2, a hydraulic fan 3 and a water system 4. The hydraulic driven cabinet terminal can be used for cooling the air under the mine, and is suitable for the environment of high temperature, high humidity, large dust and high coal ash under the mine. The hydraulic driven cabinet terminal and the air conditioning system can use the chilled water transported from the ground to the mine to cool the air, and use the gravitational potential energy of the chilled water to drive the hydraulic fan 3 to supply air. The frame 11 of the cabinet body 1 adopts an integral welded frame 11. The frame 11 is welded by multiple upper and lower cross beams, multiple upper and lower longitudinal beams and multiple columns. A water receiving pan 14 for receiving condensed water is set at the bottom of the frame 11. A drain outlet is set at the edge of the water receiving pan 14. The drain outlet is connected to a drain pipe 6, and the drain pipe 6 is set at the lower rear side of the frame 11. The water in the water receiving pan 14 can be guided to the required position through the drain pipe 6. A lifting lug 15 for hanging the cabinet body 1 is set on the outside of the frame 11. In order to improve the strength of the cabinet body 1, reinforcing beams may be provided locally.

[0103] The parts of the cabinet 1 where the air inlet 1A and the air outlet 1B are not provided are provided with a sealing plate 12 or an inspection door. The sealing plate 12 or the inspection door is installed on the frame 11. The sealing plate 12 is a double-layer metal filled with a polyurethane insulation layer. The sealing plate 12 is used to close the air duct inside the cabinet 1 and protect the components in the air duct. At the same time, it has flame retardant, anti-static and heat preservation properties.

[0104] The water turbine 32 is mounted on the water turbine mounting beam 111. The water turbine 32 includes a water turbine housing, a driving impeller, a bearing, a driving shaft, a mechanical shaft seal, a safety valve, and the like.

[0105] The air supply impeller 31 includes a plurality of blades, which are mounted on the driving shaft of the turbine 32 and located at the air outlet 1B of the cabinet 1. The power output by the driving shaft drives the air supply impeller 31 to rotate, thereby driving the air flow in the air duct.

[0106] A guide cover 13 is provided outside the air supply impeller 31. The guide cover 13 is mounted on the frame 11 and is coaxially assembled with the air supply impeller 31. The guide cover 13 can be formed by a spinning process, and by reasonably setting the spinning angle of the guide cover 13, the air can be reasonably flowed, the flow field can be optimized, and the overall heat exchange efficiency can be improved.

[0107] A mesh cover 16 is installed on a side of the air guide cover 13 away from the frame 11 , and the mesh cover 16 can protect the wind blades.

[0108] exist Figures 1 to 10 In the embodiment shown, the end of the hydraulic drive combined cabinet includes two hydraulic fans 3, which are coaxially arranged at the two ends of the cabinet body 1 with the air outlet 1B ( Figures 2 to 4The air outlet 1B is arranged on the end surfaces of the cabinet 1 at the left and right ends. The first water inlet flow path 41, the connecting water flow path 42 and the first water outlet flow path 43 of the water system 4 are all arranged at the end where the hydraulic fan 3 is located.

[0109] The surface cooler 2 includes heat exchange tubes, fins, branch main pipes, and a structural outer frame 11. The surface cooler 2 is installed in the frame 11 to achieve wind-water heat exchange. The surface coolers 2 are arranged in two groups side by side. Along the flow direction of the chilled water in the water system 4, the heat exchange tubes of the surface cooler 2 are located upstream of the working chamber of the turbine 32. The water system 4 can be connected to the heat exchange tubes through the branch main pipe.

[0110] like Figures 1 to 10 As shown, the water channel system 4 includes a first water inlet flow path 41 , a connecting water flow path 42 , a first water outlet flow path 43 and a connecting pipe 44 .

[0111] The first water inlet flow path 41 is connected to the inlet of the heat exchange tube through the branch main pipe. In this embodiment, two groups of surface coolers 2 are relatively arranged at the positions where the air inlet 1A is arranged on both sides of the cabinet 1, and the two groups of surface coolers 2 are parallel to the axis of the hydraulic fan 3. The first water inlet flow path 41 includes a water inlet main path and two water inlet branches arranged in parallel downstream of the water inlet main path. The inlets of the branch main pipes of the two groups of surface coolers 2 are respectively connected to the outlets of the two water inlet branches.

[0112] The connecting water flow path 42 is connected to the outlet of the heat exchange tube and the inlet of the turbine 32. The connecting water flow path 42 includes a connecting main path and two connecting branches connected in parallel to the upstream of the connecting main path. The two connecting branches are respectively connected to the outlets of the heat exchange tubes of the two groups of surface coolers 2, and the connecting main path is connected to the turbines 32 of the two hydraulic fans 3 ( Figures 7 to 10 The working chambers of the water turbines 32 of the two hydraulic fans 3 are connected in series through a connecting pipe 44 of the waterway system 4. The connecting pipe 44 is connected to one of the two water turbines 32 ( Figures 7 to 10 The left side of the exit) and the other ( Figures 7 to 10 between the imports on the right side of the

[0113] The first water outlet flow path 43 and the turbine 32 ( Figures 7 to 10 outlet connection on the right side of the

[0114] The water system 4 is installed on the frame 11 through a plurality of supports and hangers 5, so as to realize the fixing and restraining functions of the pipelines of the water system 4, and to help avoid fatigue fracture of the pipelines due to vibration displacement caused by excessive cantilever.

[0115] The water system 4 includes a drain valve 46. The drain valve 46 is installed at the bottom of the water system 4 to drain the water accumulated inside the water system 4 when the system is shut down. In this embodiment, the drain valve 46 is arranged below the middle of the connecting pipe 44 between the two hydraulic fans 3.

[0116] In an alternative embodiment of the present embodiment, a first water inlet valve may be provided on the first water inlet flow path, and / or a first water outlet valve may be provided on the first water outlet flow path.

[0117] In an alternative embodiment of this embodiment, the water system may further include a second water outlet flow path, the second water outlet flow path connecting the connecting water flow path and the first water outlet flow path, so as to lead the chilled water out of the heat exchange tube without passing through the turbine. A second water outlet valve may also be provided on the second water outlet flow path.

[0118] Figures 11 to 14 The embodiment shown is Figures 1 to 10 The main differences of the illustrated embodiment are Figures 11 to 14 The embodiment shown includes one hydraulic fan 3. In addition, along the flow direction of the chilled water in the water system 4, the heat exchange tubes of the two groups of surface coolers 2 are connected in parallel and are located downstream of the working chamber of the water turbine 32.

[0119] like Figures 11 to 14 As shown, in the end of the hydraulic drive combination cabinet in some embodiments, the water channel system 4 includes a first water inlet flow path 41 , a connecting water flow path 42 , a first water outlet flow path 43 and a second water inlet flow path 45 .

[0120] The first water inlet flow path 41 is connected to the inlet of the water turbine 32 .

[0121] The outlet of the water flow path 42 and the outlet of the turbine 32 and the inlet of the heat exchange pipe of the surface cooler 2 are connected through a branch main pipe. Fig.11 As shown, the connecting water flow path 42 includes a connecting main path and two connecting branches connected in parallel to the downstream of the connecting main path, and the two connecting branches are respectively connected to the inlets of the heat exchange tubes of the two groups of surface coolers 2.

[0122] The first water outlet flow path 43 is connected to the outlet of the heat exchange tube of the surface cooler 2. The first water outlet flow path 43 includes two water outlet branches arranged in parallel and a water outlet main path connected to the downstream of the two water outlet branches. The outlets of the heat exchange tubes of the two groups of surface coolers 2 are respectively connected to the inlets of the two water outlet branches.

[0123] The second water inlet flow path 45 connects the first water inlet flow path 41 and the connecting water flow path 42 .

[0124] like Fig.11 As shown, the water system 4 also includes a first water inlet valve 47 and a second water inlet valve 48. The first water inlet valve 47 is arranged on the first water inlet flow path 41, and the second water inlet valve 48 is arranged on the second water inlet flow path 45, and is configured to adjust the flow of the second water inlet flow path 45.

[0125] In an alternative embodiment of the present embodiment, a first water outlet valve may be further provided on the first water outlet flow path. Figures 11 to 14For parts not described in the illustrated embodiments, reference may be made to the relevant contents of the rest of this application.

[0126] An air conditioning system according to an embodiment of the present application is a system that uses a water inlet main pipe and a water outlet main pipe to combine multiple (e.g., 2, 4, 5, 6) hydraulic drive cabinet terminals of the aforementioned embodiment arranged at intervals along the axial direction of the hydraulic fan 3. Each first water inlet flow path 41 of the multiple hydraulic drive cabinet terminals is connected to the water inlet main pipe. Each first water outlet flow path 43 of the multiple hydraulic drive cabinet terminals is connected to the water outlet main pipe.

[0127] like Figures 1 to 14 As shown, the inlet 4A and the outlet 4B of the water system 4 are respectively located at the inlet end of the first water inlet flow path 41 and the outlet end of the first water outlet flow path 43, both of which are located outside the front side of the frame 1, and the inlet end of the water inlet flow path 41 and the outlet end of the first water outlet flow path 43 are respectively provided with flanges for connecting to the water inlet main pipe and the water outlet main pipe.

[0128] Multiple modular hydraulic drive cabinet terminals are combined into an air conditioning system as needed, and the spacing between the hydraulic drive cabinet terminals can be appropriately set to meet different air temperature regulation requirements at different locations in a narrow and long area.

[0129] When the hydraulically driven cabinet terminal and the air conditioning system of the embodiment of the present application are working, the chilled water on the ground flows toward the coal mining face under the mine. Due to the large height difference between the ground and the coal mining face, the gravitational potential energy of the chilled water is converted into kinetic energy, forming a chilled water flow with a certain speed. The chilled water enters the heat exchange tube of the surface cooler 2 and the working chamber of the turbine 32 through the first water inlet flow path 41. The chilled water entering the working chamber drives the driving impeller of the turbine 32 to rotate, and the driving impeller drives the fan blades on the air supply impeller 32 connected to the driving shaft to move in the same direction and speed as the driving impeller, thereby guiding the air in the environment where the hydraulically driven cabinet terminal is located to enter the air duct of the cabinet body 1 through the air inlet 1A, and perform forced convection with the surface cooler 2 in the air duct. Flowing in the heat exchange tube of the surface cooler 2 are the chilled water after passing through the turbine 32 and the chilled water that directly flows into the heat exchange tube. The air outside the heat exchange tube exchanges heat with the chilled water in the heat exchange tube, for example Fig.10 The air is transported in the flow direction shown, and finally cold air is output from the air outlet 1B, so as to achieve the purpose of reducing the temperature of the area around the end of the hydraulic drive combination cabinet.

[0130] According to the above description, the hydraulic drive combined cabinet terminal and the air conditioning system of the embodiment of the present application have at least one of the above advantages:

[0131] The integrated design of the hydraulic drive combination cabinet terminal can use multiple hydraulic drive combination cabinet terminals for modular assembly to form an air-conditioning system, reducing engineering complexity and easily meeting various refrigeration needs.

[0132] The hydraulically driven combination cabinet terminal and air-conditioning system are driven without electricity, which helps to reduce the risk of explosion, is safer and more reliable, and helps to meet the safety needs of wind-deficient areas with no explosion hazards and no electricity.

[0133] When installing in coal mining areas, there is no need to install the hydraulic drive combination cabinet terminal or air conditioning system in the fresh air area for safety reasons.

[0134] Chilled water can be transported from the ground, and the gravitational potential energy of the originally unused chilled water can be converted into energy to drive the hydraulic fan. In addition to rationally utilizing resources, there is no need to consume additional electricity and other energy to drive the air supply impeller, thus saving energy and reducing emissions.

[0135] The hydraulic drive unit cabinet ends and the air conditioning system has one or both ends for air outlet, side air intake, forced heat exchange, and the air supply impeller is driven to rotate by the refrigerated hydraulic gravity potential energy to adapt to the narrow environment of the mine tunnel.

[0136] The second water outlet flow path or the second water inlet flow path realizes that the heat exchange capacity of the surface cooler is adjusted independently of the driving impeller and the air supply impeller.

[0137] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application and not to limit it. Although the present application has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present application can still be modified or some technical features can be replaced by equivalents, which should all be included in the scope of the technical solution requested for protection in this application.

Claims

1. A hydraulically driven combined cabinet terminal, characterized in that: include: A cabinet (1) having an air inlet (1A), an air outlet (1B), and an air duct arranged between the air inlet (1A) and the air outlet (1B); A surface cooler (2), disposed in the air duct, comprising a heat exchange tube, and configured to cool the air in the air duct; A hydraulic fan (3), comprising an air supply impeller (31) and a water turbine (32), wherein the air supply impeller (31) is configured to drive the air to flow from the air inlet (1A) through the air duct and then flow out of the cabinet (1) from the air outlet (1B), and the water turbine (32) is configured to drive the air supply impeller (31) to rotate, and comprises a working chamber, an inlet and an outlet communicated with the working chamber, and a driving impeller arranged in the working chamber, wherein the driving impeller is drivingly connected to the air supply impeller (31); and The water system (4) connects the heat exchange tubes of the cooler (2) and the working chamber of the turbine (32) in series to provide chilled water for heat exchange to the heat exchange tubes of the cooler (2), and to provide chilled water for driving the impeller to rotate to the working chamber of the turbine (32).

2. The hydraulic drive combined cabinet terminal according to claim 1, characterized in that: Along the flow direction of the chilled water in the water system (4), the heat exchange tube of the surface cooler (2) is located upstream of the working chamber of the turbine (32); or Along the flow direction of the chilled water in the water system (4), the heat exchange tube of the surface cooler (2) is located downstream of the working chamber of the turbine (32).

3. The hydraulic drive combined cabinet terminal according to claim 2, characterized in that: The water channel system (4) comprises a first water inlet flow path (41), a connecting water flow path (42) and a first water outlet flow path (43); wherein: The first water inlet flow path (41) is connected to the inlet of the heat exchange tube and is configured to introduce the chilled water into the heat exchange tube for heat exchange; the connecting water flow path (42) is connected to the outlet of the heat exchange tube and the inlet of the water turbine (32) and is configured to introduce the chilled water flowing out of the heat exchange tube into the water turbine (32) to drive the driving impeller to rotate; the first water outlet flow path (43) is connected to the outlet of the water turbine (32) and is configured to lead the chilled water after work out from the water turbine (32); or The first water inlet flow path (41) is connected to the inlet of the water turbine (32) and is configured to introduce the chilled water into the water turbine (32) to drive the driving impeller to rotate. The connecting water flow path (42) is connected to the outlet of the water turbine (32) and the inlet of the heat exchange tube and is configured to introduce the chilled water flowing out of the water turbine (32) into the heat exchange tube for heat exchange. The first water outlet flow path (43) is connected to the outlet of the heat exchange tube and is configured to lead the chilled water after heat exchange out of the heat exchange tube.

4. The hydraulic drive combined cabinet terminal according to claim 3, characterized in that: The water channel system (4) further comprises a first water inlet valve (47), wherein the first water inlet valve (47) is arranged on the first water inlet flow path (41) and is configured to adjust the flow rate of the first water inlet flow path (41); or The water channel system further includes a first water outlet valve, which is disposed on the first water outlet flow path and is configured to adjust the flow rate of the first water outlet flow path.

5. The hydraulic drive combined cabinet terminal according to claim 3, characterized in that: The water system (4) further comprises a second water inlet flow path (45), wherein the second water inlet flow path (45) is connected to the first water inlet flow path (41) and the connecting water flow path (42), and is configured to introduce the chilled water into the heat exchange tube for heat exchange without passing through the turbine (32); or, The water system further includes a second water outlet flow path, which connects the connecting water flow path and the first water outlet flow path and is configured to lead the chilled water out from the heat exchange tube without passing through the turbine.

6. The hydraulic drive combined cabinet terminal according to claim 5, characterized in that: The water channel system (4) further comprises a second water inlet valve (48), wherein the second water inlet valve (48) is arranged on the second water inlet flow path (45) and is configured to adjust the flow rate of the second water inlet flow path (45); or The water channel system further includes a second water outlet valve, which is disposed on the second water outlet flow path and is configured to adjust the flow rate of the second water outlet flow path.

7. The hydraulic drive combined cabinet terminal according to claim 3, characterized in that: The end of the hydraulic drive combined cabinet includes two or more sets of surface coolers (2) connected in parallel; wherein, The first water inlet flow path (41) includes a water inlet main path and two or more water inlet branches arranged in parallel downstream of the water inlet main path, the inlets of the heat exchange tubes of the two or more groups of surface coolers (2) are respectively connected to the outlets of the two or more water inlet branches, and the connecting water flow path (42) includes a connecting main path and two or more connecting branches connected in parallel upstream of the connecting main path, and the two or more connecting branches are respectively connected to the outlets of the heat exchange tubes of the two or more groups of surface coolers (2); or The connecting water flow path (42) includes a connecting main path and two or more connecting branches connected in parallel to the downstream of the connecting main path, the two or more connecting branches are respectively connected to the inlets of the heat exchange tubes of the two or more groups of surface coolers (2), and the first water outlet flow path (43) includes two or more water outlet branches arranged in parallel and a water outlet main path connected to the downstream of the two or more water outlet branches, and the outlets of the heat exchange tubes of the two or more groups of surface coolers (2) are respectively connected to the inlets of the two or more water outlet branches.

8. The hydraulic drive combined cabinet terminal according to any one of claims 1 to 7, characterized in that: The end of the hydraulic drive combined cabinet comprises two hydraulic fans (3), the two air supply impellers (31) of the two hydraulic fans (3) are coaxially arranged in back-to-back relationship, and the surface cooler (2) is located between the two air supply impellers (31) in the axial direction of the two air supply impellers (31).

9. The hydraulic drive combined cabinet terminal according to any one of claims 1 to 7, characterized in that: The end of the hydraulic drive combined cabinet comprises two hydraulic fans (3); The water system (4) further comprises a connecting pipeline (44), and the working chambers of the two water turbines (32) of the two hydraulic fans (3) are connected in series or in parallel via the connecting pipeline (44).

10. The hydraulic drive combined cabinet terminal according to any one of claims 1 to 7, characterized in that: The cabinet (1) comprises: Framework (11); and A sealing plate (12) is connected to the frame (11) and is used to form the wall surface of the air duct. The sealing plate (12) comprises a double-layer metal plate arranged at intervals and a heat preservation plate arranged between the double-layer metal plates.

11. The hydraulic drive combined cabinet terminal according to any one of claims 1 to 7, characterized in that: The waterway system (4) further comprises a drain valve (46), which is located at the bottom of the waterway system (4) and is configured to drain the accumulated water in the waterway system (4) from the waterway system (4).

12. The hydraulic drive combined cabinet terminal according to any one of claims 1 to 7, characterized in that: The air inlet (1A) is arranged on a side surface of the cabinet (1) parallel to the axial direction of the air supply impeller (31), and the air outlet (1B) is arranged on an end surface of the cabinet (1) perpendicular to the axial direction of the air supply impeller (31).

13. An air conditioning system, characterized in that: include: A plurality of hydraulic drive combined cabinet ends, wherein the hydraulic drive combined cabinet ends are hydraulic drive combined cabinet ends according to any one of claims 1 to 12; A water inlet main pipe, to which the first water inlet flow paths (41) at the ends of the plurality of hydraulic drive combined cabinets are connected; and A water outlet main pipe, to which the plurality of first water outlet flow paths (43) at the ends of the plurality of hydraulic drive combined cabinets are connected.

14. The air conditioning system according to claim 13, characterized in that: The ends of the plurality of hydraulic drive combined cabinets are arranged at intervals along the axial direction of the hydraulic fan (3).

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