Variable super-efficient transmission and distribution refrigerating room

Abstract

The invention relates to the technical field of refrigeration transmission and distribution systems, and discloses a variable type super-efficient transmission and distribution refrigerating machine room which comprises a channel steel base, a softened water tank is fixedly installed on the channel steel base, a water inlet pipeline is fixedly connected to one side of the softened water tank, a transmission and distribution assembly is arranged on the channel steel base, and a water outlet pipeline is fixedly connected to the other side of the softened water tank. The transmission and distribution assembly comprises a positive displacement filter. According to the variable super-efficient transmission and distribution refrigerating machine room, in order to enable the device to adapt to dynamic requirements of refrigeration of various buildings, the transmission and distribution assembly is arranged, the effective filtering area of the assembly matched with a volumetric filter is larger than that of a traditional Y-shaped filter, water inlet resistance is greatly reduced, and the transmission and distribution assembly is matched with a first pressure transmitter, a second pressure transmitter, an electric blow-down valve and a rotary steel brush; automatic pressure difference detection and automatic dirt cleaning and discharging are achieved, cavitation of the water pump is avoided, the large end suction pump, the middle end suction pump and the small end suction pump convenient to disassemble are combined to form seven flow gears, stepless adjustment is achieved through fine adjustment of a frequency converter, and dynamic load changes are matched.

Description

Technical Field

[0001] This invention relates to the field of refrigeration distribution system technology, specifically a variable-efficiency refrigeration distribution room. Background Technology

[0002] Variable-efficiency distribution chiller rooms are core energy-saving equipment in the HVAC field. Their core function is to achieve efficient distribution of cooling capacity, dynamic load matching, and system energy consumption optimization in the refrigeration cycle.

[0003] The computer room mainly uses variable pump sets to match dynamic cooling loads, low-resistance components to reduce energy loss, and intelligent systems to regulate flow, pressure, and temperature in real time, achieving efficient coordination of "load-distribution-cooling".

[0004] However, the above-mentioned equipment has certain shortcomings in use. Existing computer rooms lack a dedicated integrated frequency converter and multi-specification pump group combination design, which cannot achieve stepless fine adjustment of flow rate. The flow rate changes suddenly when the pump group is switched, which can easily lead to disorder of the refrigeration unit's operating conditions. Moreover, when multiple pumps are connected in parallel, there is no optimized flow channel design, resulting in large head loss. In view of this, we propose a variable-efficiency ultra-high-efficiency distribution refrigeration computer room. Summary of the Invention

[0005] The purpose of this invention is to provide a variable-efficiency, ultra-high-efficiency refrigeration distribution room to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A variable-efficiency, ultra-high-efficiency refrigeration distribution room includes a base plate, an outer shell fixedly mounted on the base plate, a cabinet door on the outer shell, a channel steel base fixedly mounted on the base plate, a softened water tank fixedly mounted on the channel steel base, an inlet pipe fixedly connected to one side of the softened water tank, a first maintenance valve fixedly mounted on the inlet pipe, and a distribution assembly mounted on the channel steel base. The distribution assembly includes: A volumetric filter is installed outside a channel steel base. A water pressure gauge is fixedly installed on the top of the volumetric filter. A first pressure transmitter is fixedly installed on one side of the volumetric filter, and a second pressure transmitter is fixedly installed on the other side. Three sets of outlet flanges are evenly distributed and fixedly installed on the volumetric filter. Each outlet flange is fixedly installed with a second maintenance valve. The end of the second maintenance valve away from the outlet flange is fixedly connected to a metal flexible connection. Three sets of detachable end-suction pumps with different flow rates, namely large pump, medium pump and small pump, are provided. The end of the metal flexible connection away from the second maintenance valve is fixedly connected to the inlet of the detachable end-suction pump. A pump shock absorber is fixedly installed at the bottom of the detachable end-suction pump.

[0007] In a further embodiment, the distribution assembly also includes a volumetric check valve, which is fixedly mounted on a channel steel base. The outlet of the detachable end-suction pump is fixedly connected to the inlet of the volumetric check valve via a metal flexible connection. An automatic air vent valve and a pressure gauge are fixedly mounted on the top of the volumetric check valve.

[0008] In a further embodiment, an electric drain valve is fixedly installed at the bottom of the volumetric filter, an inspection port is fixedly installed on one side of the volumetric filter, an electric actuator is fixedly installed above the inspection port, a connecting rod is fixedly connected to the output end of the electric actuator, and the connecting rod extends into the interior of the volumetric filter and is fixedly installed with a rotating steel brush.

[0009] In a further embodiment, a flow guiding and diverting assembly is provided on the channel steel base. The flow guiding and diverting assembly includes a large-diameter unobstructed flow guide and a large-diameter unobstructed flow diverter. The outlet of the volumetric check valve is fixedly connected to an outlet pipeline. The large-diameter unobstructed flow guide and the large-diameter unobstructed flow diverter are sequentially fixedly installed on the outlet pipeline. An expansion chamber is provided inside the large-diameter unobstructed flow guide.

[0010] In a further embodiment, a water replenishment assembly is provided on the channel steel base. The water replenishment assembly includes a volumetric multi-functional filter for water replenishment. The volumetric multi-functional filter for water replenishment is fixedly installed on the channel steel base. The outlet of the softened water tank is fixedly connected to the volumetric multi-functional filter for water replenishment through a pipe. Two water replenishment pumps of different specifications are fixedly installed on the volumetric multi-functional filter for water replenishment, namely a large water replenishment pump and a small water replenishment pump.

[0011] In a further embodiment, the outlet of the water supply pump is fixedly connected to a volumetric multi-functional check valve for water supply. A safety valve, a pressure relief valve, and a third maintenance valve are fixedly connected in sequence at the bottom of the volumetric multi-functional check valve for water supply. A pressure tank is fixedly connected to the end of the third maintenance valve away from the pressure relief valve. A water storage tank is provided outside the channel steel base.

[0012] In a further embodiment, a control assembly is provided on the channel steel base. The control assembly includes a central control cabinet, which is fixedly installed on the channel steel base. Three back-mounted integrated frequency converters are fixedly installed inside the central control cabinet. The frequency converters are electrically connected to the detachable end-suction pump via wires.

[0013] In a further embodiment, a multi-functional parameter device is fixedly installed on the water outlet pipe. The multi-functional parameter device is electrically connected to the central control cabinet. A human-machine interface is fixedly installed on the central control cabinet, and a PLC controller is fixedly installed inside the central control cabinet.

[0014] In a further embodiment, the PLC controller is electrically connected to the first pressure transmitter, the second pressure transmitter, the electric actuator, and the electric drain valve, respectively.

[0015] In a further embodiment, a container shell is provided on the outside of the channel steel base, the volumetric check valve is made of cast steel, and a dosing module is fixedly installed inside the container shell.

[0016] Compared with the prior art, the present invention provides a variable-efficiency, ultra-high-efficiency distribution chiller room, which has the following advantages: 1. This variable-efficiency ultra-high-efficiency distribution refrigeration room is equipped with a distribution component to adapt to the dynamic cooling needs of various buildings. This component, together with a volumetric filter, has an effective filtration area larger than that of a traditional Y-type filter, significantly reducing inlet water resistance. In conjunction with the first and second pressure transmitters, electric drain valve, and rotating steel brush, it achieves automatic differential pressure detection and automatic cleaning and discharge of contaminants, avoiding pump cavitation. Three detachable end-suction pumps of large, medium, and small sizes are combined to form seven flow levels, which can be steplessly adjusted through frequency converter fine-tuning to match dynamic load changes.

[0017] 2. This variable-efficiency, high-efficiency distribution refrigeration room is equipped with a water supply component to meet the needs of long-term continuous operation. This component works in conjunction with a volumetric multi-functional filter for water supply, which has the same filter structure as the distribution component. This filters impurities in the water supply, preventing blockage of the distribution pipeline and the flow diversion component. The large and small water supply pumps start and stop as needed, serving as backups for each other to reduce ineffective energy consumption. The volumetric multi-functional check valve for water supply prevents backflow. The safety valve, pressure relief valve, and pressure tank work together to maintain stable system pressure and prevent pressure fluctuations from affecting the distribution and refrigeration effects.

[0018] 3. This variable-efficiency ultra-high-efficiency refrigeration distribution room is equipped with a control component to adapt to intelligent refrigeration room application scenarios. This component works in conjunction with the PLC controller in the central control cabinet and three back-mounted integrated frequency converters. Based on the flow data and supply and return water temperature difference fed back by the multi-functional parameter device, it automatically matches seven flow combinations and intelligently switches between large, medium and small pumps to ensure that the pump group always operates in the high-efficiency range. The human-machine interface displays key parameters such as flow, pressure and temperature in real time, supports manual / automatic mode switching and 5G remote control, and realizes unattended operation. The PLC controller links the pressure transmitter, electric actuator and electric drain valve to automatically complete the filter cleaning and sewage discharge without manual intervention. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a partial structural schematic diagram from another perspective of the present invention; Figure 3This is a schematic diagram of the internal structure of the outer shell of the present invention; Figure 4 This is a schematic diagram of the internal structure of the outer shell from another perspective of the present invention; Figure 5 This is a partial structural diagram of the present invention; Figure 6 This is a schematic diagram of another part of the structure of the present invention; Figure 7 This is a schematic diagram of the distribution assembly structure of the present invention; Figure 8 This is a schematic diagram of the distribution assembly from another perspective. Figure 9 This is a schematic diagram of another part of the conveying and distribution assembly of the present invention; Figure 10 This is a schematic diagram of the water replenishment component structure of the present invention; Figure 11 This is a schematic diagram of the water replenishment component of the present invention.

[0020] Explanation of icon numbers: 1. Channel steel base; 2. Softened water tank; 3. Inlet water pipe; 4. First inspection valve; 5. Distribution assembly; 51. Volumetric filter; 52. Pressure gauge; 53. First pressure transmitter; 54. Second pressure transmitter; 55. Outlet flange; 56. Second maintenance valve; 57. Flexible metal connection; 58. Easy-to-disassemble end-suction pump; 59. Pump shock absorber; 510. Volumetric check valve; 511. Automatic air vent valve; 512. Pressure gauge; 513. Electric drain valve; 514. Inspection port; 515. Electric actuator; 6. Water supply components; 61. Volumetric multi-functional filter; 62. Water supply pump; 63. Volumetric multi-functional check valve; 64. Safety valve; 65. Pressure relief valve; 66. Third maintenance valve; 67. Pressure tank; 68. Water storage tank; 7. Control components; 71. Central control cabinet; 72. Multifunctional parameter controller; 73. Human-machine interface; 74. PLC controller; 75. Container shell; 76. Dosing module 8. Base plate; 9. Outer shell; 10. Cabinet door. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] In this application, the term "above" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is primarily used to better describe this application and its embodiments, and is not intended to limit the indicated device, element, or component to having a specific orientation, or to construct and operate in a specific orientation. Furthermore, the term "above" may also be used in certain circumstances to indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances.

[0023] Please see Figures 1-11 The present invention provides a technical solution: A variable-efficiency ultra-high-efficiency distribution refrigeration room includes a base plate 8, an outer shell 9 fixedly installed on the base plate 8, a cabinet door 10 provided on the outer shell 9, a channel steel base 1 fixedly installed on the base plate 8, a softened water tank 2 fixedly installed on the channel steel base 1, an inlet pipe 3 fixedly connected to one side of the softened water tank 2, and a first maintenance valve 4 fixedly installed on the inlet pipe 3.

[0024] In one embodiment of the present invention, a distribution assembly 5 is provided on the channel steel base 1. The distribution assembly 5 includes a volumetric filter 51, which is disposed outside the channel steel base 1. A water pressure gauge 52 is fixedly installed on the top of the volumetric filter 51. A first pressure transmitter 53 is fixedly installed on one side of the volumetric filter 51, and a second pressure transmitter 54 is fixedly installed on the other side. Three sets of outlet flanges 55 are evenly distributed and fixedly installed on the volumetric filter 51. A second maintenance valve 56 is fixedly installed on each outlet flange 55. A metal flexible connection 57 is fixedly connected to the end of the second maintenance valve 56 away from the outlet flange 55. Three sets of detachable end-suction pumps 58 with different flow rates are respectively a large pump, a medium pump, and a small pump. The end of the metal flexible connection 57 away from the second maintenance valve 56 is fixedly connected to the inlet of the detachable end-suction pump 58. A pump shock absorber 59 is fixedly installed at the bottom of the detachable end-suction pump 58. The distribution assembly 5 also includes a volumetric check valve 510. The return valve 510 is fixedly installed on the channel steel base 1. The outlet of the detachable end suction pump 58 is fixedly connected to the inlet of the volumetric check valve 510 via a metal flexible connection 57. An automatic air vent valve 511 and a pressure gauge 512 are fixedly installed on the top of the volumetric check valve 510. An electric drain valve 513 is fixedly installed on the bottom of the volumetric filter 51. An inspection port 514 is fixedly installed on one side of the volumetric filter 51. An electric actuator 515 is fixedly installed above the inspection port 514. A connecting rod is fixedly connected to the output end of the actuator 515. The connecting rod extends into the volumetric filter 51 and is fixedly installed with a rotating steel brush. A flow guiding and diverting assembly is provided on the channel steel base 1. The flow guiding and diverting assembly includes a large-diameter unobstructed flow guide and a large-diameter unobstructed flow divider. The outlet of the volumetric check valve 510 is fixedly connected to an outlet pipe. The large-diameter unobstructed flow guide and the large-diameter unobstructed flow divider are fixedly installed on the outlet pipe in sequence. An expansion chamber is provided inside the large-diameter unobstructed flow guide.

[0025] In this embodiment, softened water flows into the volumetric filter 51, whose effective filtration area is much larger than that of a traditional Y-type filter, significantly reducing inlet resistance. The pressure gauge 52 displays the inlet pressure in real time. The first pressure transmitter 53 and the second pressure transmitter 54 monitor the inlet and outlet pressures of the filter, respectively, and feed the differential pressure signal back to the control component 7. When the differential pressure reaches the set value, the PLC controller 74 starts the electric actuator 515, driving the internal connecting rod and rotating steel brush to rotate. Simultaneously, the electric drain valve 513 opens to automatically discharge contaminants, completing the cleaning without stopping the machine. This avoids cavitation or wear of the detachable end-suction pump 58 due to inlet impurities. The filtered water passes through three sets of outlet flanges 55, the second maintenance valve 56, and the metal flexible connection 57, and is respectively delivered to three sets of detachable end-suction pumps 58 with different flow rates: a large pump, a medium pump, and a small pump. The pump vibration damper 59 reduces pump vibration during operation, ensuring equipment safety. Stable operation is achieved by combining three easily detachable end-suction pumps 58 to form seven flow levels. The control component 7 is finely adjusted via a back-mounted integrated frequency converter to achieve stepless flow regulation, accurately matching the dynamic cooling load changes of the building. The pressurized water flows into the volumetric check valve 510 through the metal flexible connection 57. The check valve is made of cast steel and has a large-diameter flow channel design, with near-zero flow resistance. The internal high-temperature resistant iron core rubber ball has excellent sealing performance. The automatic air vent valve 511 discharges air from the system, and the pressure gauge 512 monitors the pressure in real time to ensure stable system pressure. After the water flows through the volumetric check valve 510, it passes through the large-diameter, resistance-free guide and distributor on the outlet pipe. The expansion chamber inside the guide smoothly distributes the water flow, and the distributor achieves stable flow convergence, avoiding the turbulence and energy loss caused by traditional tees. This ensures that the water is efficiently delivered to the refrigeration unit or terminal system, and the entire pump unit is protected by the outer casing 9 and cabinet door 10.

[0026] In one embodiment of the present invention, a water replenishment component 6 is provided on the channel steel base 1. The water replenishment component 6 includes a water replenishment volumetric multifunctional filter 61, which is fixedly installed on the channel steel base 1. The outlet of the softened water tank 2 is fixedly connected to the water replenishment volumetric multifunctional filter 61 through a pipe. Two water replenishment pumps 62 of different specifications are fixedly installed on the water replenishment volumetric multifunctional filter 61, namely a large water replenishment pump and a small water replenishment pump. A water replenishment volumetric multifunctional check valve 63 is fixedly connected to the outlet of the water replenishment pump 62. A safety valve 64, a pressure relief valve 65 and a third maintenance valve 66 are fixedly connected in sequence at the bottom of the water replenishment volumetric multifunctional check valve 63. A pressure tank 67 is fixedly connected to the end of the third maintenance valve 66 away from the pressure relief valve 65. A water storage tank 68 is provided outside the channel steel base 1.

[0027] In this embodiment, when the system pressure is insufficient or the water volume is low, the water in the softened water tank 2 flows through the pipeline into the replenishment water volumetric multi-functional filter 61. This filter has the same structure as the volumetric filter 51 of the distribution component 5, effectively filtering impurities in the replenishment water and preventing blockage of the distribution pipeline and the diversion component. The filtered water enters two replenishment water pumps 62 of different specifications. According to the system water demand, the replenishment water pumps 62 are started and stopped as needed, and they serve as backups for each other: the small replenishment water pump is started when the water demand is small, and the large replenishment water pump is started when the water demand is large, reducing ineffective energy consumption. The pressurized replenishment water is delivered to the system through the replenishment water volumetric multi-functional check valve 63. The check valve prevents water backflow and ensures one-way flow of replenishment water. The safety valve 64 and the pressure relief valve 65 work together to prevent the system pressure from being too high. The pressure tank 67 realizes automatic pressurization and stabilization of the system to prevent pressure fluctuations from affecting the distribution and cooling effect. The third maintenance valve 66 facilitates later maintenance and repair.

[0028] In one embodiment of the present invention, a control component 7 is provided on the channel steel base 1. The control component 7 includes a central control cabinet 71, which is fixedly installed on the channel steel base 1. Three back-mounted integrated frequency converters are fixedly installed inside the central control cabinet 71. The frequency converters are electrically connected to the detachable end suction pump 58 through wires. A multi-functional parameter device 72 is fixedly installed on the water outlet pipe and is electrically connected to the central control cabinet 71. A human-machine interface 73 is fixedly installed on the central control cabinet 71. A PLC controller 74 is fixedly installed inside the central control cabinet 71. The PLC controller 74 is electrically connected to the first pressure transmitter 53, the second pressure transmitter 54, the electric actuator 515, and the electric drain valve 513, respectively. A container shell 75 is provided outside the channel steel base 1. The volumetric check valve 510 is made of cast steel. A dosing module 76 is fixedly installed inside the container shell 75.

[0029] In this embodiment, the PLC controller 74 inside the central control cabinet 71 is the core control unit, electrically connected to the human-machine interface 73, the multi-function parameterizer 72, and various sensors and actuators. During debugging, the calibrated flow rates of the large, medium, and small pumps are input through the human-machine interface 73, and the system automatically identifies and forms seven flow combinations. During operation, the multi-function parameterizer 72 monitors the flow rate of the outlet water pipe in real time, and feeds it back to the PLC controller 74 along with the supply and return water temperature difference data. The controller automatically judges and instructs the water pump to operate at the optimal flow rate, and fine-tunes the operation through the frequency converter. The stepless flow rate adjustment ensures that the pump unit always operates in the high-efficiency zone, avoiding unnecessary throttling losses. The human-machine interface 73 displays key parameters such as flow rate, pressure, temperature, and pump operating status in real time, and supports manual / automatic mode switching. The system has a built-in 5G communication module, which can realize remote control via mobile phone, truly achieving unattended operation. At the same time, the PLC controller 74 links the first pressure transmitter 53, the second pressure transmitter 54, the electric actuator 515, and the electric drain valve 513 to automatically complete the cleaning and drainage of the volumetric filter 51 without manual intervention.

[0030] The signal interaction of each component adopts the PLC control protocol commonly used in industrial equipment, which is common knowledge to those skilled in the art and can be implemented without further detailed description. The control logic and signal interaction method are existing technologies and will not be described in detail. The standard parts used in this application can all be purchased from the market. The specific connection methods of each part are all connected by conventional methods such as riveting and welding that are mature in the existing technology. The standard parts are all of conventional models in the existing technology, and the circuit connection adopts conventional connection methods in the existing technology.

[0031] It should be noted that the above electrical components are all existing technology products. Those skilled in the art should select, install, and complete the circuit debugging work according to the needs of use to ensure that each electrical appliance can work normally. The components are all general standard parts or components known to those skilled in the art. Their structure and principle can be known by those skilled in the art through technical manuals or conventional experimental methods. No specific restrictions are made here. The supporting structures of the hydraulic drive structure appearing in this application document, such as hydraulic tanks and hydraulic pumps, are existing equipment and will not be described in detail here.

[0032] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A variable-efficiency ultra-high-efficiency distribution refrigeration room, comprising a base plate (8), an outer shell (9) fixedly installed on the base plate (8), a cabinet door (10) provided on the outer shell (9), a channel steel base (1) fixedly installed on the base plate (8), a softened water tank (2) fixedly installed on the channel steel base (1), an inlet pipe (3) fixedly connected to one side of the softened water tank (2), and a first maintenance valve (4) fixedly installed on the inlet pipe (3), characterized in that: A conveying assembly (5) is provided on the channel steel base (1), and the conveying assembly (5) includes: A volumetric filter (51) is installed outside the channel steel base (1). A water pressure gauge (52) is fixedly installed on the top of the volumetric filter (51). A first pressure transmitter (53) is fixedly installed on one side of the volumetric filter (51), and a second pressure transmitter (54) is fixedly installed on the other side. Three sets of outlet flanges (55) are evenly distributed and fixedly installed on the volumetric filter (51). Each outlet flange (55) is fixedly installed with a second maintenance valve (56). The end of the second maintenance valve (56) away from the outlet flange (55) is fixedly connected with a metal flexible connection (57). Three sets of detachable end-suction pumps (58) with different flow rates, namely large pump, medium pump and small pump. The end of the metal flexible connection (57) away from the second maintenance valve (56) is fixedly connected to the inlet of the detachable end-suction pump (58). A water pump shock absorber (59) is fixedly installed at the bottom of the detachable end-suction pump (58).

2. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 1, characterized in that: The distribution assembly (5) also includes a volumetric check valve (510), which is fixedly installed on the channel steel base (1). The outlet of the detachable end suction pump (58) is fixedly connected to the inlet of the volumetric check valve (510) through a metal flexible connection (57). An automatic air vent valve (511) and a pressure gauge (512) are fixedly installed on the top of the volumetric check valve (510).

3. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 1, characterized in that: An electric drain valve (513) is fixedly installed at the bottom of the volumetric filter (51). An inspection port (514) is fixedly installed on one side of the volumetric filter (51). An electric actuator (515) is fixedly installed above the inspection port (514). A connecting rod is fixedly connected to the output end of the electric actuator (515). The connecting rod extends into the volumetric filter (51) and a rotating steel brush is fixedly installed thereon.

4. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 2, characterized in that: The channel steel base (1) is provided with a flow guiding and diverting assembly, which includes a large-diameter unobstructed flow guide and a large-diameter unobstructed flow divider. The outlet of the volumetric check valve (510) is fixedly connected to an outlet pipeline. The large-diameter unobstructed flow guide and the large-diameter unobstructed flow divider are sequentially fixedly installed on the outlet pipeline. An expansion chamber is provided inside the large-diameter unobstructed flow guide.

5. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 1, characterized in that: A water replenishment component (6) is provided on the channel steel base (1). The water replenishment component (6) includes a water replenishment volumetric multifunctional filter (61). The water replenishment volumetric multifunctional filter (61) is fixedly installed on the channel steel base (1). The outlet of the softened water tank (2) is fixedly connected to the water replenishment volumetric multifunctional filter (61) through a pipe. Two water replenishment pumps (62) of different specifications are fixedly installed on the water replenishment volumetric multifunctional filter (61), namely a large water replenishment pump and a small water replenishment pump.

6. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 5, characterized in that: The outlet of the water supply pump (62) is fixedly connected to a volumetric multi-functional check valve (63) for water supply. The bottom of the volumetric multi-functional check valve (63) for water supply is fixedly connected to a safety valve (64), a pressure relief valve (65) and a third maintenance valve (66). The end of the third maintenance valve (66) away from the pressure relief valve (65) is fixedly connected to a pressure tank (67). A water storage tank (68) is provided outside the channel steel base (1).

7. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 4, characterized in that: A control component (7) is provided on the channel steel base (1). The control component (7) includes a central control cabinet (71). The central control cabinet (71) is fixedly installed on the channel steel base (1). Three back-mounted integrated frequency converters are fixedly installed inside the central control cabinet (71). The frequency converters are electrically connected to the detachable end suction pump (58) through wires.

8. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 7, characterized in that: A multi-functional parameter device (72) is fixedly installed on the water outlet pipe. The multi-functional parameter device (72) is electrically connected to the central control cabinet (71). A human-machine interface (73) is fixedly installed on the central control cabinet (71). A PLC controller (74) is fixedly installed inside the central control cabinet (71).

9. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 7, characterized in that: The PLC controller (74) is electrically connected to the first pressure transmitter (53), the second pressure transmitter (54), the electric actuator (515), and the electric drain valve (513), respectively.

10. The variable-type ultra-high-efficiency distribution refrigeration room according to claim 7, characterized in that: The channel steel base (1) is provided with a container shell (75) on the outside. The volumetric check valve (510) is made of cast steel. The dosing module (76) is fixedly installed inside the container shell (75).

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