CN215176218U

CN215176218U - Hydraulic circulation system and refrigeration equipment

Info

Publication number: CN215176218U
Application number: CN202120854438.1U
Authority: CN
Inventors: 席海冬; 桂林松; 孙清华; 何伟生; 顾海华
Original assignee: Schlee Nanjing Refrigeration Machinery Manufacturing Co ltd
Current assignee: Schlee Nanjing Refrigeration Machinery Manufacturing Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-14
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a hydraulic circulation system and refrigeration plant. The hydraulic circulation system comprises a first circulation fluid loop, the first circulation fluid loop comprises a first inlet used for feeding fluid, a first outlet used for feeding the fluid, a first stop valve and a second stop valve, the first stop valve and the second stop valve are respectively arranged on the first inlet and the first outlet, at least one first circulation water path unit is arranged between the first stop valve and the second stop valve, the first circulation water path unit comprises a first circulation water pump, a third stop valve arranged at a water inlet of the first circulation water pump and a fourth stop valve arranged at a water outlet of the first circulation water pump, and a first check valve is arranged between a water outlet of the first circulation water pump and the fourth stop valve. The utility model discloses a hydraulic circulation system high integration, the modularized design, simple to operate is swift, shortens the engineering cycle, practices thrift the cost.

Description

Hydraulic circulation system and refrigeration equipment

Technical Field

The utility model relates to a refrigerating system, in particular to hydraulic circulation system and refrigeration plant.

Background

The chilled water circulation system generally includes a refrigeration unit, a primary circulation pump, a mixing tank, a secondary circulation pump, a plurality of valves, a filter, a thermometer, a pressure gauge, a pipeline, and the like. At present, most of chilled water circulating systems are installed on site, and in the actual installation process, because parts of the chilled water systems are complicated, the site construction installation process is complicated, the layout is unreasonable, the whole volume is large, and the occupied space is large. Meanwhile, the construction method is influenced by factors such as site environment, space and tools, the site construction loss of partial materials is large, the number of pipeline connection points is large, the hidden danger of leakage points is large, and the engineering installation quality cannot be guaranteed. In addition, the requirements of field installation workers are high, professional and skilled workers are needed for construction, and the engineering period is long.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: to exist not enough among the prior art, the utility model provides a water power circulation system, this water power circulation system be the modularized design, and the customer only needs to connect the pipeline between refrigerating unit, modularization water power circulation system, the user end, and simple to operate is swift, shortens engineering cycle, practices thrift the cost. The utility model discloses still provide the refrigeration plant who contains this water circulating system.

The technical scheme is as follows: a water conservancy circulation system, including first circulating fluid return circuit, first circulating fluid return circuit includes the first import that is used for the fluid to send into, is used for the first export that the fluid sent out, sets up respectively in the first stop valve and the second stop valve of first import and first export, be provided with at least one first circulation water route unit between first stop valve and the second stop valve, first circulation water route unit include first circulating water pump, set up in the third stop valve of first circulating water pump water inlet, set up in the fourth stop valve of first circulating water pump delivery port, be provided with first check valve between first circulating water pump's delivery port and the fourth stop valve.

As a preferred mode of the utility model, first circulating water pump both ends are provided with first connector and the second connector that is used for installing first circulating water pump.

As an optimized mode of the utility model, be provided with the first manometer that is used for detecting first circulation water route unit pressure among the first circulation water route unit.

As an optimized mode of the present invention, a first drain valve is disposed in the first circulation water path unit.

As an optimized mode of the present invention, a plurality of first circulation water path units arranged in parallel are provided in the first circulation fluid loop, and each of the first circulation water path units is provided between the first stop valve and the second stop valve.

As a preferable mode of the present invention, the first circulation fluid circuit is provided with a filter at an outlet of the first stop valve, and a circulation fluid outlet of the filter is connected to an inlet of the first circulation water path unit.

As a preferable mode of the present invention, a first thermometer for detecting a temperature is provided in the first circulating fluid circuit.

As a preferable mode of the present invention, the hydraulic circulation system further includes a second circulation fluid circuit, the second circulation fluid circuit includes a second inlet for feeding the fluid, a second outlet for feeding the fluid, a fifth stop valve provided at the second inlet, and a sixth stop valve provided at the second outlet.

As a preferred mode of the present invention, the second circulating fluid circuit further includes a second pressure gauge, a second thermometer, and a release valve.

A water chilling plant, including at least one foretell hydraulic circulation system, with the refrigerating unit of hydraulic circulation system intercommunication.

Has the advantages that: (1) the utility model provides a modularization hydraulic circulation system and application, with the water pump of water system, valve member and pipeline height integration, the modularized design, the customer only needs to connect the pipeline between refrigerating unit, modularization hydraulic circulation unit, the user end, simple to operate is swift, shortens engineering cycle, practices thrift the cost.

Drawings

FIG. 1 is a flow chart of the modular hydronic system of the present embodiment;

FIG. 2 is a schematic external view of the modular hydronic system according to the present embodiment;

fig. 3 is a schematic view of an application of the modular hydraulic circulation system of the embodiment.

Detailed Description

Example 1: as shown in fig. 1, the present embodiment provides a hydraulic circulation system 1 with a modular arrangement, and the hydraulic circulation system 1 includes a first circulation fluid circuit 100 and a second circulation fluid circuit 200 arranged in parallel.

The first circulating fluid circuit 100 includes a first inlet 101 for feeding fluid, a first outlet 102 for feeding fluid, and a first stop valve 103 and a second stop valve 104 respectively disposed at the first inlet 101 and the first outlet 102, and the first stop valve 103 and the second stop valve 104 are respectively disposed at both ends of an inlet and an outlet of the first circulating fluid circuit 100 in order to inspect the first circulating fluid circuit 100 or control the operation of the first circulating fluid circuit 100 by the first stop valve 103 and the second stop valve 104 without affecting the second circulating fluid circuit 200.

At least one first circulation water path unit 110 is disposed between the first stop valve 103 and the second stop valve 104, and a plurality of first circulation water path units 110 may be disposed in parallel according to actual needs, in this embodiment, two first circulation water path units 110 are disposed in parallel. On the main pipe of the first circulation fluid circuit 100, a filter 105 is disposed at the outlet of the first stop valve 103, the circulation fluid outlet of the filter 105 is respectively connected to the inlets of the two first circulation water path units 110, and the filter 105 in this embodiment is selected to be a Y-type filter. Meanwhile, a first thermometer 106 for detecting temperature is disposed in the first circulation fluid circuit 100, and in this embodiment, the first thermometer 106 is disposed on the first circulation waterway unit 110 main pipe, specifically, at the water inlet of the second shutoff valve 104.

The first circulation water path unit 110 includes a first circulation water pump 111, a third stop valve 112 disposed at a water inlet of the first circulation water pump 111, and a fourth stop valve 113 disposed at a water outlet of the first circulation water pump 111, and a first check valve 114 is disposed between the water outlet of the first circulation water pump 111 and the fourth stop valve 113. In order to facilitate the installation and connection of the first water circulation pump 111, a first connector 115 and a second connector 116 are disposed at two ends of the first water circulation pump 111, and the first connector 115 and the second connector 116 adopted in this embodiment are both rubber soft connectors. The third and fourth cut-off

valves

112 and 113 are provided at both ends of each first circulating water path unit 110 in order to service a single first circulating water path unit 110 or to selectively operate one or more first circulating water path units 110 according to actual needs. The purpose of providing the first check valve 114 in the first circulating water path unit 110 is to prevent the water in the circuit from flowing backwards into the first circulating water pump 111, which causes a safety problem of the water pump.

The first circulation water path unit 110 is further provided with a first pressure gauge 117 for detecting a pressure of the first circulation water path unit 110 and a first drain valve 118 for draining the first circulation water path unit 110, and in this embodiment, the first pressure gauge 117 and the first drain valve 118 are sequentially disposed at an outlet of the fourth stop valve 113 and mounted on a pipe of the first circulation water path unit 110.

The second circulating fluid circuit 200 of the hydraulic circulation system 1 is arranged in parallel with the first circulating fluid circuit 100, the second circulating fluid circuit 200 includes a second inlet 201 for fluid feeding, a second outlet 202 for fluid feeding, a fifth stop valve 203 arranged at the second inlet 201, and a sixth stop valve 204 arranged at the second outlet 202, and the purpose of the fifth stop valve 203 and the sixth stop valve 204 is to control the operation of the second circulating fluid circuit 200 or to separately service the second circulating fluid circuit 200 without affecting the operation of the first circulating fluid circuit 100. The second circulation fluid circuit 200 further comprises a second pressure gauge 205, a second temperature gauge 206 and a purge valve 207 mounted on the piping of the second circulation fluid circuit 200.

Example 2: fig. 2 shows an installation form of the hydraulic circulation system of embodiment 1 in a specific application, and as shown in fig. 3, this embodiment provides a refrigeration apparatus, which includes two hydraulic circulation systems 1 of embodiment 1, for convenience of distinction, the hydraulic circulation system connected to the refrigeration unit 2 is a first hydraulic circulation system 1a, and the hydraulic circulation system connected to the user terminal 4 is a second hydraulic circulation system 1b, and specifically, the refrigeration apparatus includes a refrigeration unit 2, and the first hydraulic circulation system 1a, the second hydraulic circulation system 1b and the user terminal 4 respectively connected to the mixed water tank 3. In the present embodiment, the refrigeration unit 2 includes a first inlet port 201 and a first outlet port 202, the mixing tank 3 includes a primary-side circulating fluid outlet 301, a primary-side circulating fluid inlet 302, a secondary-side circulating fluid inlet 303, and a secondary-side circulating fluid outlet 304, and the user terminal 4 includes a second inlet port 401 and a second outlet port 402.

In this embodiment, the first circulating fluid inlet of the first hydraulic circulating system 1a is connected to the primary circulating fluid outlet 301 of the mixing water tank 3, the first circulating fluid outlet of the first hydraulic circulating system 1a is connected to the inlet end 201 of the refrigerating unit 2, the second circulating fluid inlet of the first hydraulic circulating system 1a is connected to the outlet end 202 of the refrigerating unit 301, and the second circulating fluid outlet of the first hydraulic circulating system 1a is connected to the primary circulating fluid inlet 302 of the mixing water tank 3.

In this embodiment, the first circulating fluid inlet of the second hydraulic circulation system 1b is connected to the second outlet port 402 of the user terminal 4, the first circulating fluid outlet of the second hydraulic circulation system 1b is connected to the secondary circulating fluid inlet 303 of the mixing water tank 3, the second circulating fluid inlet of the second hydraulic circulation system 1b is connected to the secondary circulating fluid outlet 304 of the mixing water tank 3, and the second circulating fluid outlet of the second hydraulic circulation system 1b is connected to the second inlet port 401 of the user terminal 4.

With water pump, valve member and the pipeline height integration of water system, the modularized design in this embodiment, the customer only needs to connect the pipeline between refrigerating unit, modularization hydraulic circulation unit, the user end, and simple to operate is swift, shortens engineering cycle, practices thrift the cost.

Claims

1. Hydronic system, characterized in that the hydronic system (1) comprises a first circulation fluid circuit (100), the first circulating fluid circuit (100) comprises a first inlet (101) for feeding fluid, a first outlet (102) for feeding fluid, a first stop valve (103) and a second stop valve (104) which are respectively arranged at the first inlet (101) and the first outlet (102), at least one first circulating waterway unit (110) is arranged between the first stop valve (103) and the second stop valve (104), the first circulating water path unit (110) comprises a first circulating water pump (111), a third stop valve (112) arranged at a water inlet of the first circulating water pump (111), and a fourth stop valve (113) arranged at a water outlet of the first circulating water pump (111), and a first check valve (114) is arranged between the water outlet of the first circulating water pump (111) and the fourth stop valve (113).

2. The hydraulic circulation system as claimed in claim 1, wherein a first connector (115) and a second connector (116) for mounting the first circulation water pump (111) are arranged at two ends of the first circulation water pump (111).

3. The hydraulic circulation system as claimed in claim 2, wherein a first pressure gauge (117) for detecting a pressure of the first circulation water path unit (110) is provided in the first circulation water path unit (110).

4. The hydronic system according to claim 3, wherein a first drain valve (118) is provided in the first circulating waterway unit (110).

5. The hydronic system according to claim 4, wherein a plurality of first circulation waterway units (110) are disposed in parallel in the first circulation fluid circuit (100), and each first circulation waterway unit (110) is disposed between the first stop valve (103) and the second stop valve (104).

6. The hydronic system according to claim 5, wherein the first circulation fluid circuit (100) is provided with a filter (105) at the outlet of the first shut-off valve (103), the circulation fluid outlet of the filter (105) being connected to the inlet of the first circulation water circuit unit (110).

7. The hydronic system according to claim 6, wherein a first thermometer (106) for detecting temperature is provided in the first circulating fluid circuit (100).

8. The hydronic system according to claim 6, wherein the hydronic system (1) further comprises a second circulation fluid circuit (200), the second circulation fluid circuit (200) comprising a second inlet (201) for fluid intake, a second outlet (202) for fluid outtake, a fifth shut-off valve (203) being provided at the second inlet (201) and a sixth shut-off valve (204) being provided at the second outlet (202).

9. The hydronic system according to claim 8, wherein the second circulating fluid circuit (200) further comprises a second pressure gauge (205), a second temperature gauge (206) and a purge valve (207).

10. A cold water plant, comprising at least one hydronic system (1) according to claim 9, a refrigeration unit (2) in communication with said hydronic system (1).