Integrated water chiller structure for ice rink

Abstract

The application provides an integrated water chilling unit structure for an ice rink, comprising a cooling water snow melting system, a main machine refrigerant system and a chilled water system; the cooling water snow melting system and the chilled water system are arranged on the two sides of the main machine refrigerant system; the chilled water system comprises a first chilled water pipeline and a second chilled water pipeline; the main machine refrigerant system comprises a first evaporator unit, a second evaporator unit, a first condenser unit and a second condenser unit; a first use side is connected with the first evaporator unit through the first chilled water pipeline; and a second use side is connected with the second evaporator unit through the second chilled water pipeline. The integrated water chilling unit structure for the ice rink is characterized by integration and modularization, solves the problems of transportation and structural layout, and is convenient for on-site installation and maintenance.

Description

Technical Field

[0001] This invention belongs to the field of integrated chiller units, and in particular relates to an integrated chiller unit structure for ice rinks. Background Technology

[0002] An integrated chiller unit for ice rinks is a chiller system consisting of a water-cooled chiller unit, an integrated machine room, chilled water pumps, cooling towers, cooling pumps, cooling water piping, valves, instruments, and monitoring and control devices. Due to the high degree of integration of integrated chiller units, they typically consist of a main chiller system, a water system, a water treatment system, a heat recovery system, and a heat exchange system, all integrated within the integrated machine room; therefore, the structural layout is particularly important.

[0003] Because the internal structure of integrated chiller units used in ice rinks is integrated and complex, structural layout is particularly important. A rational layout that facilitates maintenance is a key structural consideration for integrated chiller units used in ice rinks. Summary of the Invention

[0004] In view of this, the present invention aims to propose an integrated chiller unit structure for ice rinks to solve the problem of structural layout.

[0005] To achieve the above objectives, the technical solution of the present invention is implemented as follows:

[0006] An integrated chiller unit structure for ice rinks includes a cooling water snow melting system, a main refrigerant system, and a chilled water system; the cooling water snow melting system and the chilled water system are located on both sides of the main refrigerant system.

[0007] Furthermore, the chilled water system includes a first chilled water pipe and a second chilled water pipe, and the main refrigerant system includes a first evaporator unit, a second evaporator unit, a first unit condenser, and a second condenser unit;

[0008] The first user side is connected to the first evaporator unit via the first chilled water pipe, and the second user side is connected to the second evaporator unit via the second chilled water pipe;

[0009] The chilled water system is connected to the first unit condenser and the second condenser unit respectively. The first evaporator unit is connected to the first unit condenser, and the second evaporator unit is connected to the second condenser unit.

[0010] Furthermore, a third chilled water pipe is connected to the first user side, and the other end of the third chilled water pipe is connected to the second chilled water pipe; a fourth chilled water pipe is connected to the second user side, and the other end of the fourth chilled water pipe is connected to the first chilled water pipe.

[0011] The first chilled water pipe is connected to the second chilled water pipe via the fifth chilled water pipe. The first evaporator unit is connected to the sixth chilled water pipe, which is connected to the second chilled water pipe. The second evaporator unit is equipped with the seventh chilled water pipe, the other end of which is connected to the first chilled water pipe.

[0012] Furthermore, the first chilled water pipe is sequentially equipped with a first drain assembly, a first pressure gauge, a first water supply assembly, a first safety valve, and a first pressure regulating device, and the fourth chilled water pipe is located between the first drain assembly and the first user side.

[0013] The first drainage component includes a first drainage pipe, and a first drainage valve is provided on the first drainage pipe;

[0014] Preferably, the first water supply component includes a first water supply pipe, a first water supply valve is provided on the first water supply pipe, the first water supply pipe is connected to a water source, and the first water supply pipe is connected to a first chilled water pipe.

[0015] Furthermore, the first chilled water pipeline is sequentially equipped with a first butterfly valve, a first Y-type filter, a first water pump, a first check valve, a second pressure gauge, and a second drain assembly;

[0016] The second drainage assembly is located on the side close to the first evaporator unit, and the fifth and seventh chilled water pipes are located between the pressure regulating device and the first butterfly valve.

[0017] The second drainage assembly includes a second drainage pipe and a second drainage valve. The second drainage pipe is connected to the first chilled water pipe, and the second drainage valve is installed on the second drainage pipe.

[0018] Preferably, the two sides of the first water pump are connected to the first Y-type filter and the first water pump respectively through flexible rubber joints.

[0019] Furthermore, the second chilled water pipeline is sequentially equipped with a third pressure gauge, a second check valve, a second water pump, a second Y-type filter, and a second butterfly valve;

[0020] The two sides of the second water pump are connected to the second check valve and the second Y-type filter respectively through the second flexible rubber joint.

[0021] Furthermore, the second chilled water pipe is sequentially equipped with a second water supply component, a fourth pressure gauge, a first flow switch, and a third drainage component;

[0022] The third drainage assembly is located on the side close to the second evaporator assembly, and the third chilled water pipe and the fifth chilled water pipe are sequentially arranged between the second butterfly valve and the second water supply assembly;

[0023] The second water supply component includes a second water supply pipe and a second water supply valve. The second water supply pipe is connected to the second chilled water pipe, and the second water supply valve is installed on the second water supply pipe.

[0024] The sixth chilled water pipe is located between the third drainage assembly and the second evaporator unit.

[0025] The third drainage component includes a third drainage pipe and a third drainage valve. The third drainage pipe is installed on the second chilled water component, and the third drainage valve is installed on the third drainage pipe.

[0026] Furthermore, the third chilled water pipeline is sequentially equipped with a fifth pressure gauge, a third check valve, a third water pump, a third Y-type filter, and a third butterfly valve;

[0027] The third water pump is connected to the third check valve and the third water pump respectively through the third flexible rubber joint on both sides; the fifth pressure gauge is set on the side closer to the first use side.

[0028] Furthermore, the fifth chilled water pipe is equipped with a first air vent valve, a fourth butterfly valve, and a third water supply assembly; the first air vent valve is located on one side of the first chilled water pipe;

[0029] The third water supply component includes a third water supply pipe and a third water supply valve. The third water supply pipe is connected to the fifth chilled water pipe, and the third water supply valve is installed on the third water supply pipe.

[0030] Furthermore, the seventh chilled water assembly is equipped with a fifth butterfly valve, a fourth Y-type filter, a fourth water pump, a fourth check valve, a sixth pressure gauge, and a fourth drain assembly;

[0031] The fourth drainage assembly is located on the side close to the second evaporator unit, and the two sides of the fourth water pump are connected to the fourth Y-type filter and the fourth check valve respectively through the fourth flexible rubber joint.

[0032] Preferably, the fourth drainage component includes a fourth drainage pipe and a fourth drainage valve. The fourth drainage pipe is connected to the seventh chilled water pipe, and the fourth drainage valve is installed on the fourth drainage pipe.

[0033] Furthermore, the cooling water system includes several cooling towers connected sequentially, and the cooling towers are connected to the first condenser unit via a first cooling water pipe.

[0034] The cooling tower is connected to the second condenser unit via a second cooling water pipe.

[0035] The first cooling water pipe is connected to the second cooling water pipe by the third and fourth cooling water pipes;

[0036] The first condenser unit is connected to the second cooling water pipe via the fifth cooling water pipe;

[0037] The second condenser unit is connected to the first cooling water pipe via the sixth cooling water pipe.

[0038] Furthermore, the first cooling water pipe is equipped with a fifth drain assembly, a fifth check valve, a second flow switch, and a sixth butterfly valve;

[0039] The sixth butterfly valve is located on the side closest to the first condenser unit.

[0040] Preferably, the fifth drainage component includes a fifth drainage pipe and a fifth drainage valve. The fifth drainage pipe is disposed on the first cooling water pipe, and the fifth drainage valve is disposed on the fifth drainage pipe.

[0041] The third cooling water pipe is located between the fifth drainage component and the fifth check valve, and the fourth cooling water pipe is located between the fifth check valve and the second flow switch.

[0042] Furthermore, the second cooling water pipe is equipped with a sixth drainage assembly, a seventh pressure gauge, an electronic water treatment device, a seventh butterfly valve, and a sixth check valve;

[0043] The third cooling water pipe is located between the sixth drain assembly and the seventh pressure gauge. The sixth drain assembly includes a sixth drain pipe and a sixth drain valve. The sixth drain pipe is connected to the second cooling water pipe, and the sixth drain valve is located on the sixth drain pipe.

[0044] A heating pipe is installed on the second cooling water pipe. One end of the heating pipe is located between the electronic water treatment device and the seventh butterfly valve, and the other end of the heating pipe is located on the second cooling water pipe. The heating pipe is sequentially equipped with an eighth butterfly valve, an antifreeze electric heating device, and a seventh check valve.

[0045] Furthermore, the second cooling water pipeline is sequentially equipped with a ninth butterfly valve, a fifth Y-type filter, a fifth water pump, a fifth flexible rubber head, an eighth check valve, and an eighth pressure gauge;

[0046] The eighth pressure gauge is located on the side closest to the second condenser unit;

[0047] The fourth and sixth cooling water pipes are located between the heating pipe and the ninth butterfly valve.

[0048] The third cooling water pipe is equipped with the seventh drainage assembly, the tenth butterfly valve, the sixth Y-type filter, the ninth pressure gauge, the sixth water pump, the ninth check valve, the tenth pressure gauge, the eighth drainage assembly, and the snow melting pool device in sequence.

[0049] The sixth water pump is connected to the ninth pressure gauge and the ninth check valve on both sides via the sixth flexible rubber head.

[0050] Preferably, the seventh drainage component includes a seventh drainage pipe and a seventh drainage valve. The seventh drainage pipe is connected to the third cooling water pipe, and the seventh drainage valve is installed on the seventh drainage pipe.

[0051] Preferably, the eighth drainage component includes an eighth drainage pipe and an eighth drainage valve. The eighth drainage pipe is connected to the third cooling water pipe, and the eighth drainage valve is installed on the eighth drainage pipe.

[0052] Furthermore, an eleventh butterfly valve is installed on the fifth cooling water pipe;

[0053] The sixth cooling water pipeline is equipped with the twelfth butterfly valve, the seventh Y-type filter, the seventh water pump, the seventh flexible rubber head, the tenth check valve, and the eleventh pressure gauge in sequence; the eleventh pressure gauge is located on the side closest to the first condenser unit.

[0054] Furthermore, it also includes a partial heat recovery system, which includes a first heat recovery pipeline, a heat recovery unit, and a second heat recovery pipeline;

[0055] The first condenser unit is connected to the first heat recovery pipeline, the first heat recovery pipeline is connected to the heat recovery unit, and the heat recovery unit is connected to the second heat recovery pipeline.

[0056] The end of the first heat recovery pipe is connected to the first evaporator unit, and the second heat recovery pipe is connected to the second evaporator unit.

[0057] The first heat recovery pipeline is sequentially equipped with a second safety valve, a twelfth pressure gauge, a ball valve, an eighth Y-type filter, an eighth water pump, an eighth flexible rubber head, and an eleventh check valve;

[0058] The eleventh check valve is located on one side of the heat recovery unit.

[0059] The second heat recovery pipeline is equipped with a thirteenth pressure gauge, a second vent valve, and a ninth drain assembly in sequence. The thirteenth pressure gauge is located on the side closest to the heat recovery unit.

[0060] Preferably, the ninth drainage component includes a ninth drainage pipe and a ninth drainage valve. The ninth drainage pipe is connected to the second heat recovery pipe, and the ninth drainage valve is installed on the ninth drainage pipe.

[0061] Compared with existing technologies, the integrated chiller unit structure for ice rinks described in this invention has the following advantages:

[0062] The integrated chiller unit layout adopts a highly integrated and modular design, solving transportation and structural layout problems, facilitating on-site installation and maintenance. The water system of this integrated chiller unit for ice rinks is divided into a main refrigerant system section, a chilled water system section, and a cooling water system section. Different systems are concentrated inside their respective enclosures, with a rational layout and reserved interface positions for each system. On-site installation and connection are convenient, saving time and effort during implementation. Modular production reduces labor and material costs. Attached Figure Description

[0063] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0064] Figure 1 This is a schematic diagram of the layout and chilled water system flow of an integrated chiller unit for ice rinks according to an embodiment of the present invention;

[0065] Figure 2 This is a schematic diagram of the cooling water and snow melting structure of an integrated chiller unit for ice rinks according to an embodiment of the present invention;

[0066] Figure 3 This is a schematic diagram of the partial heat recovery water system according to an embodiment of the present invention;

[0067] Figure 4 This is a schematic diagram of the overall structural layout of an integrated chiller unit for ice rinks according to an embodiment of the present invention;

[0068] Figure 5 This is a schematic diagram of the cooling water system section of an integrated chiller unit structure for ice rinks, as described in an embodiment of the present invention.

[0069] Figure 6 This is a schematic diagram of the refrigerant system of an integrated chiller unit for ice rinks according to an embodiment of the present invention;

[0070] Figure 7 This is a schematic diagram of a chilled water system for an integrated chiller unit used in ice rinks, as described in an embodiment of the present invention.

[0071] Figure 8 This is a schematic diagram of the overall structure of an integrated chiller unit for ice rinks according to an embodiment of the present invention.

[0072] Explanation of reference numerals in the attached figures:

[0073] 1. First chilled water pipe; 2. Second chilled water pipe; 3. Third chilled water pipe; 4. Fourth chilled water pipe; 5. Fifth chilled water pipe; 6. Sixth chilled water pipe; 7. Seventh chilled water pipe; 8. First drainage assembly; 9. First pressure gauge; 10. First water supply assembly; 11. First safety valve; 12. First pressure regulating device; 13. First butterfly valve; 14. First Y-type filter; 15. First flexible rubber joint; 16. First water pump; 17. First check valve; 18. Second pressure gauge; 19. Second drainage assembly; 20. Third pressure gauge; 21. Second check valve; 22. Second water pump; 23. Second flexible rubber joint; 24. Second Y-type filter; 25. Second butterfly valve; 26. Second water supply assembly Components; 27. Fourth pressure gauge; 28. First flow switch; 29. ​​Third drain assembly; 30. Fifth pressure gauge; 31. Third check valve; 32. Third water pump; 33. Third flexible rubber head; 34. Third Y-type filter; 35. Third butterfly valve; 36. First vent valve; 37. Fourth butterfly valve; 38. Third water supply assembly; 39. Fifth butterfly valve; 40. Fourth Y-type filter; 41. Fourth water pump; 42. Fourth flexible rubber head; 43. Fourth check valve; 44. Sixth pressure gauge; 45. Fourth drain assembly; 46. First user side; 47. Second user side; 48. First evaporator unit; 49. Second evaporator unit; 50. Cooling tower; 51. First condenser unit; 52. Second condenser unit Group; 53. First cooling water pipe; 54. Second cooling water pipe; 55. Third cooling water pipe; 56. Fourth cooling water pipe; 57. Fifth cooling water pipe; 58. Sixth cooling water pipe; 59. Fifth drainage assembly; 60. Fifth check valve; 61. Second flow switch; 62. Sixth butterfly valve; 63. Sixth drainage assembly; 64. Seventh pressure gauge; 65. Electronic water treatment device; 66. Seventh butterfly valve; 67. Sixth check valve; 68. Heating pipe; 69. Eighth butterfly valve; 70. Anti-freeze electric heating device; 71. Seventh check valve; 72. Ninth butterfly valve; 73. Fifth Y-type filter; 74. Fifth water pump; 75. Fifth flexible rubber head; 76. Eighth check valve; 77. Eighth pressure gauge; 78. 79. Seventh Drainage Assembly; 80. Tenth Butterfly Valve; 81. Sixth Y-Type Filter; 82. Ninth Pressure Gauge; 83. Sixth Water Pump; 84. Sixth Flexible Rubber Head; 85. Ninth Check Valve; 86. Tenth Pressure Gauge; 87. Eighth Drainage Assembly; 88. Snow Melting Pool Device; 89. Eleventh Butterfly Valve; 90. Seventh Y-Type Filter; 91. Seventh Water Pump; 92. Seventh Flexible Rubber Head; 93. Tenth Check Valve; 94. Eleventh Pressure Gauge; 95. Second Safety Valve; 96. Twelfth Pressure Gauge; 97. Ball Valve; 98. Eighth Y-Type Filter; 99. Eighth Water Pump; 100. Eighth Flexible Rubber Head; 101. Eleventh Check Valve; 102. Thirteenth Pressure Gauge; 103. Second Air Vent Valve;104. Ninth drainage assembly; 105. First heat recovery assembly; 106. First heat recovery pipe; 107. Second heat recovery pipe. Detailed Implementation

[0074] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0075] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0076] An integrated chiller unit structure for ice rinks includes a cooling water snow melting system, a main refrigerant system, and a chilled water system; the cooling water snow melting system and the chilled water system are located on both sides of the main refrigerant system. The chilled water system includes a first chilled water pipe 1 and a second chilled water pipe 2. The main refrigerant system includes a first evaporator unit 48, a second evaporator unit 49, a first condenser unit, and a second condenser unit 52. A first user side 46 is connected to the first evaporator unit 48 via the first chilled water pipe 1, and a second user side 47 is connected to the second evaporator unit 49 via the second chilled water pipe 2. The chilled water system is connected to both the first condenser unit and the second condenser unit 52. The first evaporator unit 48 is connected to the first condenser unit, and the second evaporator unit 49 is connected to the second condenser unit 52.

[0077] A third chilled water pipe 3 is connected to the first user side 46, and the other end of the third chilled water pipe 3 is connected to the second chilled water pipe 2; a fourth chilled water pipe 4 is connected to the second user side 47, and the other end of the fourth chilled water pipe 4 is connected to the first chilled water pipe 1; the first chilled water pipe 1 and the second chilled water pipe 2 are connected through a fifth chilled water pipe 5; a sixth chilled water pipe 6 is connected to the first evaporator unit 48, and the sixth chilled water pipe 6 is connected to the second chilled water pipe 2; a seventh chilled water pipe 7 is provided on the second evaporator unit, and the other end of the seventh chilled water pipe 7 is connected to the first chilled water pipe 1.

[0078] The first chilled water pipe 1 is sequentially equipped with a first drain assembly 8, a first pressure gauge 9, a first water supply assembly 10, a first safety valve 11, and a first pressure regulating device 12. The fourth chilled water pipe 4 is disposed between the first drain assembly 8 and the first usage side 46. The first drain assembly 8 includes a first drain pipe, and a first drain valve is provided on the first drain pipe.

[0079] Preferably, the first water replenishment component 10 includes a first water replenishment pipe, a first water replenishment valve is provided on the first water replenishment pipe, and the first water replenishment pipe is connected to a water source; the first water replenishment pipe is connected to the first chilled water pipe 1.

[0080] The first chilled water pipe 1 is sequentially equipped with a first butterfly valve 13, a first Y-type filter 14, a first water pump 16, a first check valve 17, a second pressure gauge 18, and a second drain assembly 19. The second drain assembly 19 is located on the side closest to the first evaporator unit 48. The fifth chilled water pipe 5 and the seventh chilled water pipe 7 are located between the pressure regulating device and the first butterfly valve 13. The second drain assembly 19 includes a second drain pipe and a second drain valve. The second drain pipe is connected to the first chilled water pipe 1, and the second drain valve is located on the second drain pipe.

[0081] Preferably, the two sides of the first water pump 16 are connected to the first Y-type filter 14 and the first water pump 16 respectively through flexible rubber joints.

[0082] The second chilled water pipe 2 is sequentially equipped with a third pressure gauge 20, a second check valve 21, a second water pump 22, a second Y-type filter 24, and a second butterfly valve 25. The two sides of the second water pump 22 are connected to the second check valve 21 and the second Y-type filter 24 respectively via second flexible rubber joints 23. The second chilled water pipe 2 is sequentially equipped with a second water supply assembly 26, a fourth pressure gauge 27, a first flow switch 28, and a third drain assembly 29. The third drain assembly 29 is located on the side closest to the second evaporator assembly. Between the second butterfly valve 25 and the second water supply assembly 26, a third chilled water pipe 3 and a fifth chilled water pipe 5 are sequentially arranged. The second water supply assembly 26 includes a second water supply pipe and a second water supply valve; the second water supply pipe is connected to the second chilled water pipe 2, and the second water supply valve is located on the second water supply pipe. A sixth chilled water pipe 6 is located between the third drain assembly 29 and the second evaporator unit 49. The third drain assembly 29 includes a third drain pipe and a third drain valve; the third drain pipe is located on the second chilled water assembly, and the third drain valve is located on the third drain pipe. The third chilled water pipe 3 is sequentially equipped with a fifth pressure gauge 30, a third check valve 31, a third water pump 32, a third Y-type filter 34, and a third butterfly valve 35; the two sides of the third water pump 32 are connected to the third check valve 31 and the third water pump 32 respectively through the third flexible rubber joint; the fifth pressure gauge 30 is located on the side closer to the first use side 46.

[0083] The fifth chilled water pipe 5 is equipped with a first vent valve 36, a fourth butterfly valve 37, and a second water supply assembly 26; the first vent valve 36 is located on one side of the first chilled water pipe 1; the seventh chilled water assembly is equipped with a fifth butterfly valve 39, a fourth Y-type filter 40, a fourth water pump 41, a fourth check valve 43, a sixth pressure gauge 44, and a fourth drain assembly 45; the fourth drain assembly 45 is located on the side close to the second evaporator unit 49, and the two sides of the fourth water pump 41 are connected to the fourth Y-type filter 40 and the fourth check valve 43 respectively through the fourth flexible rubber joint.

[0084] Preferably, the fourth drainage component 45 includes a fourth drainage pipe and a fourth drainage valve. The fourth drainage pipe is connected to the seventh chilled water pipe 7, and the fourth drainage valve is installed on the fourth drainage pipe.

[0085] The cooling water system includes several cooling towers 50 connected sequentially. Each cooling tower 50 is connected to a first condenser unit 51 via a first cooling water pipe 53 and to a second condenser unit 52 via a second cooling water pipe 54. A third cooling water pipe 55 and a fourth cooling water pipe connect the first cooling water pipe 53 and the second cooling water pipe 54. The first condenser unit 51 is connected to the second cooling water pipe 54 via a fifth cooling water pipe 57. The second condenser unit 52 is connected to the first cooling water pipe 53 via a sixth cooling water pipe 58.

[0086] In a specific embodiment, the first cooling water pipe 53 and the second cooling water pipe 54 are connected by a proportional electric three-way valve, which adopts existing technology.

[0087] The first cooling water pipe 53 is equipped with a fifth drain assembly 59, a fifth check valve 60, a second flow switch 61, and a sixth butterfly valve 62; the sixth butterfly valve 62 is located on the side closest to the first condenser unit 51. Preferably, the fifth drain assembly 59 includes a fifth drain pipe and a fifth drain valve, the fifth drain pipe being located on the first cooling water pipe 53, and the fifth drain valve being located on the fifth drain pipe. The third cooling water pipe 55 is located between the fifth drain assembly 59 and the fifth check valve 60, and the fourth cooling water pipe is located between the fifth check valve 60 and the second flow switch 61.

[0088] The second cooling water pipe 54 is equipped with a sixth drain assembly 63, a seventh pressure gauge 64, an electronic water treatment device 65, a seventh butterfly valve 66, and a sixth check valve 67. The third cooling water pipe 55 is located between the sixth drain assembly 63 and the seventh pressure gauge 64. The sixth drain assembly 63 includes a sixth drain pipe and a sixth drain valve. The sixth drain pipe is connected to the second cooling water pipe 54, and the sixth drain valve is located on the sixth drain pipe. The second cooling water pipe 54 is equipped with a heating pipe 68. One end of the heating pipe 68 is located between the electronic water treatment device 65 and the seventh butterfly valve 66, and the other end of the heating pipe 68 is located on the second cooling water pipe 54. The heating pipe 68 is equipped with an eighth butterfly valve 69, an antifreeze electric heating device 70, and a seventh check valve 71 in sequence.

[0089] The second cooling water pipe 54 is sequentially equipped with a ninth butterfly valve 72, a fifth Y-type filter 73, a fifth water pump 74, a fifth flexible rubber head 75, an eighth check valve 76, and an eighth pressure gauge 77; the eighth pressure gauge 77 is located on the side closest to the second condenser unit 52; the fourth and sixth cooling water pipes 58 are located between the heating pipe 68 and the ninth butterfly valve 72. The third cooling water pipe 55 is sequentially equipped with a seventh drain assembly 78, a tenth butterfly valve 79, a sixth Y-type filter 80, a ninth pressure gauge 81, a sixth water pump 82, a ninth check valve 84, a tenth pressure gauge 85, an eighth drain assembly 86, and a snow melting pool device 87; the sixth water pump 82 is connected to the ninth pressure gauge 81 and the ninth check valve 84 on both sides via the sixth flexible rubber head 83, respectively.

[0090] Preferably, the seventh drainage component 78 includes a seventh drainage pipe and a seventh drainage valve. The seventh drainage pipe is connected to the third cooling water pipe 55, and the seventh drainage valve is installed on the seventh drainage pipe.

[0091] Preferably, the eighth drainage component 86 includes an eighth drainage pipe and an eighth drainage valve. The eighth drainage pipe is connected to the third cooling water pipe 55, and the eighth drainage valve is installed on the eighth drainage pipe.

[0092] The fifth cooling water pipe 57 is equipped with an eleventh butterfly valve 88; the sixth cooling water pipe 58 is equipped with a twelfth butterfly valve 89, a seventh Y-type filter 90, a seventh water pump 91, a seventh flexible rubber head 92, a tenth check valve 93, and an eleventh pressure gauge 94 in sequence; the eleventh pressure gauge 94 is located on the side close to the first condenser unit 51.

[0093] It also includes a partial heat recovery system, which includes a first heat recovery pipe 106, a heat recovery unit, and a second heat recovery pipe 107. A first condenser unit 51 is connected to the first heat recovery pipe 106, the first heat recovery pipe 106 is connected to the heat recovery unit, the heat recovery unit is connected to the second heat recovery pipe 107, the end of the first heat recovery pipe 106 is connected to the first evaporator unit 48, and the second heat recovery pipe 107 is connected to the second evaporator unit 49. The first heat recovery pipe 106 is sequentially equipped with a second safety valve 95, a twelfth pressure gauge 96, a ball valve 97, an eighth Y-type filter 98, an eighth water pump 99, an eighth flexible rubber head 100, and an eleventh check valve 101; the eleventh check valve 101 is located on one side of the heat recovery unit. The second heat recovery pipe 107 is sequentially provided with a thirteenth pressure gauge 102, a second exhaust valve 103, and a ninth drainage component 104. The thirteenth pressure gauge 102 is located on the side close to the heat recovery unit. Preferably, the ninth drainage component 104 includes a ninth drainage pipe and a ninth drainage valve. The ninth drainage pipe is connected to the second heat recovery pipe 107, and the ninth drainage valve is located on the ninth drainage pipe.

[0094] In practical implementation, the cooling water section consists of cooling water flowing through the condenser of the refrigeration unit and cooling water flowing through the heat exchanger of the refrigeration unit to the snow melting pool and other water circuits; the main unit refrigerant system section is divided into the refrigeration unit and some water pipes, with reserved interfaces for connection with the other two sections; the chilled water system section is a chilled water system layout that flows through the evaporator of the refrigeration unit; the above three functional sections are manufactured separately and sent to the site for assembly, which saves the engineering production cycle and facilitates transportation. The above structural layout is convenient and reasonable, and during implementation, it saves time and effort, and modular production reduces human and material costs.

Claims

1. A structure for an integrated chiller unit for ice rinks, characterized in that: This includes a cooling water snow melting system, a main unit refrigerant system, and a chilled water system; the cooling water snow melting system and the chilled water system are located on both sides of the main unit refrigerant system. The chilled water system includes a first chilled water pipe (1) and a second chilled water pipe (2), and the main refrigerant system includes a first evaporator unit (48), a second evaporator unit (49), a first unit condenser and a second condenser unit (52). The first user side (46) is connected to the first evaporator unit (48) through the first chilled water pipe (1), and the second user side (47) is connected to the second evaporator unit (49) through the second chilled water pipe (2); The chilled water system is connected to the first unit condenser and the second condenser unit (52) respectively. The first evaporator unit (48) is connected to the first unit condenser, and the second evaporator unit (49) is connected to the second condenser unit (52). A third chilled water pipe (3) is connected to the first user side (46), and the other end of the third chilled water pipe (3) is connected to the second chilled water pipe (2); a fourth chilled water pipe (4) is connected to the second user side (47), and the other end of the fourth chilled water pipe (4) is connected to the first chilled water pipe (1); The first chilled water pipe (1) and the second chilled water pipe (2) are connected by the fifth chilled water pipe (5). The first evaporator unit (48) is connected to the sixth chilled water pipe (6), which is connected to the second chilled water pipe (2). The second evaporator unit is equipped with a seventh chilled water pipe (7), the other end of which is connected to the first chilled water pipe (1).

2. The integrated chiller unit structure for ice rinks according to claim 1, characterized in that: The first chilled water pipe (1) is provided with a first drain assembly (8), a first pressure gauge (9), a first water supply assembly (10), a first safety valve (11), and a first pressure regulating device (12) in sequence. The fourth chilled water pipe (4) is located between the first drain assembly (8) and the first use side (46). The first drainage component (8) includes a first drainage pipe, on which a first drainage valve is provided.

3. The integrated chiller unit structure for ice rinks according to claim 1, characterized in that: The first chilled water pipe (1) is provided with a first butterfly valve (13), a first Y-type filter (14), a first water pump (16), a first check valve (17), a second pressure gauge (18), and a second drain assembly (19) in sequence; The second drainage assembly (19) is located on the side close to the first evaporator unit (48), and the fifth chilled water pipe (5) and the seventh chilled water pipe (7) are located between the pressure regulating device and the first butterfly valve (13). The second drainage component (19) includes a second drainage pipe and a second drainage valve. The second drainage pipe is connected to the first chilled water pipe (1), and the second drainage valve is installed on the second drainage pipe.

4. The integrated chiller unit structure for ice rinks according to claim 1, characterized in that: The second chilled water pipe (2) is equipped with a third pressure gauge (20), a second check valve (21), a second water pump (22), a second Y-type filter (24), and a second butterfly valve (25) in sequence; The two sides of the second water pump (22) are connected to the second check valve (21) and the second Y-type filter (24) respectively through the second flexible rubber joint (23); The second chilled water pipe (2) is equipped with a second water supply component (26), a fourth pressure gauge (27), a first water flow switch (28), and a third drainage component (29) in sequence; The third drainage assembly (29) is located on the side close to the second evaporator assembly. The third chilled water pipe (3) and the fifth chilled water pipe (5) are arranged sequentially between the second butterfly valve (25) and the third water supply assembly (38). The second water supply component (26) includes a second water supply pipe and a second water supply valve. The second water supply pipe is connected to the second chilled water pipe (2), and the second water supply valve is installed on the second water supply pipe. The sixth chilled water pipe (6) is located between the third drainage assembly (29) and the second evaporator unit (49); The third drainage component (29) includes a third drainage pipe and a third drainage valve. The third drainage pipe is installed on the second chilled water component, and the third drainage valve is installed on the third drainage pipe.

5. The integrated chiller unit structure for ice rinks according to claim 4, characterized in that: The third chilled water pipe (3) is equipped with a fifth pressure gauge (30), a third check valve (31), a third water pump (32), a third Y-type filter (34), and a third butterfly valve (35) in sequence; The third water pump (32) is connected to the third check valve (31) and the third water pump (32) respectively through the third flexible rubber joint; the fifth pressure gauge (30) is set on the side close to the first use side (46); The fifth chilled water pipe (5) is equipped with a first air vent valve (36), a fourth butterfly valve (37), and a third water supply component (38); the first air vent valve (36) is located on one side of the first chilled water pipe (1); The seventh chilled water assembly is equipped with a fifth butterfly valve (39), a fourth Y-type filter (40), a fourth water pump (41), a fourth check valve (43), a sixth pressure gauge (44), and a fourth drain assembly (45); The fourth drainage assembly (45) is located on the side close to the second evaporator unit (49), and the two sides of the fourth water pump (41) are connected to the fourth Y-type filter (40) and the fourth check valve (43) respectively through the fourth flexible rubber joint.

6. The integrated chiller unit structure for ice rinks according to claim 5, characterized in that: The cooling water system includes several cooling towers (50), which are connected in sequence. The cooling towers (50) are connected to the first condenser unit (51) through the first cooling water pipe (53). The cooling tower (50) is connected to the second condenser unit (52) via a second cooling water pipe (54). The first cooling water pipe (53) and the second cooling water pipe (54) are connected to the third cooling water pipe (55) and the fourth cooling water pipe; The first condenser unit (51) is connected to the second cooling water pipe (54) via the fifth cooling water pipe (57); The second condenser unit (52) is connected to the first cooling water pipe (53) via the sixth cooling water pipe (58); The first cooling water pipe (53) is equipped with a fifth drainage component (59), a fifth check valve (60), a second water flow switch (61), and a sixth butterfly valve (62); The sixth butterfly valve (62) is located on the side closest to the first condenser unit (51); The fifth drainage component (59) includes a fifth drainage pipe and a fifth drainage valve. The fifth drainage pipe is installed on the first cooling water pipe (53), and the fifth drainage valve is installed on the fifth drainage pipe. The third cooling water pipe (55) is located between the fifth drainage assembly (59) and the fifth check valve (60), and the fourth cooling water pipe is located between the fifth check valve (60) and the second water flow switch (61).

7. The integrated chiller unit structure for ice rinks according to claim 6, characterized in that: The second cooling water pipe (54) is equipped with a sixth drainage component (63), a seventh pressure gauge (64), an electronic water treatment device (65), a seventh butterfly valve (66), and a sixth check valve (67); The third cooling water pipe (55) is located between the sixth drain assembly (63) and the seventh pressure gauge (64). The sixth drain assembly (63) includes a sixth drain pipe and a sixth drain valve. The sixth drain pipe is connected to the second cooling water pipe (54), and the sixth drain valve is located on the sixth drain pipe. A heating pipe (68) is provided on the second cooling water pipe (54). One end of the heating pipe (68) is located between the electronic water treatment device (65) and the seventh butterfly valve (66). The other end of the heating pipe (68) is located on the second cooling water pipe (54). An eighth butterfly valve (69), an antifreeze electric heating device (70), and a seventh check valve (71) are sequentially provided on the heating pipe (68). The second cooling water pipe (54) is equipped with the ninth butterfly valve (72), the fifth Y-type filter (73), the fifth water pump (74), the fifth flexible rubber head (75), the eighth check valve (76), and the eighth pressure gauge (77) in sequence; The eighth pressure gauge (77) is located on the side near the second condenser unit (52); The fourth and sixth cooling water pipes (58) are located between the heating pipe (68) and the ninth butterfly valve (72); The third cooling water pipe (55) is equipped with the seventh drainage component (78), the tenth butterfly valve (79), the sixth Y-type filter (80), the ninth pressure gauge (81), the sixth water pump (82), the ninth check valve (84), the tenth pressure gauge (85), the eighth drainage component (86), and the snow melting pool device (87). The sixth water pump (82) is connected to the ninth pressure gauge (81) and the ninth check valve (84) on both sides via the sixth flexible rubber head (83).

8. The integrated chiller unit structure for ice rinks according to claim 7, characterized in that: An eleventh butterfly valve (88) is installed on the fifth cooling water pipe (57); The sixth cooling water pipe (58) is sequentially equipped with the twelfth butterfly valve (89), the seventh Y-type filter (90), the seventh water pump (91), the seventh flexible rubber head (92), the tenth check valve (93), and the eleventh pressure gauge (94); the eleventh pressure gauge (94) is located on the side close to the first condenser unit (51); Furthermore, it also includes a partial heat recovery system, which includes a first heat recovery pipeline (106), a heat recovery unit, and a second heat recovery pipeline (107). The first condenser unit (51) is connected to the first heat recovery pipe (106), the first heat recovery pipe (106) is connected to the heat recovery unit, and the heat recovery unit is connected to the second heat recovery pipe (107). The end of the first heat recovery pipe (106) is connected to the first evaporator unit (48), and the second heat recovery pipe (107) is connected to the second evaporator unit (49); The first heat recovery pipeline (106) is sequentially equipped with a second safety valve (95), a twelfth pressure gauge (96), a ball valve (97), an eighth Y-type filter (98), an eighth water pump (99), an eighth flexible rubber head (100), and an eleventh check valve (101); The eleventh check valve (101) is located on one side of the heat recovery unit; The second heat recovery pipe (107) is equipped with a thirteenth pressure gauge (102), a second exhaust valve (103), and a ninth drain assembly (104) in sequence. The thirteenth pressure gauge (102) is located on the side close to the heat recovery unit.

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