CN216668069U

CN216668069U - Water return device for cold spot cooling equipment in injection water circulation form

Info

Publication number: CN216668069U
Application number: CN202122772573.4U
Authority: CN
Inventors: 陈旭
Original assignee: Jilin Yuhui Biotechnology Co ltd
Current assignee: Jilin Yuhui Biotechnology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-03
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to a water return device for injection water sub-circulation type cold spot cooling equipment, which comprises a heat exchanger, wherein an internal circulation water pipe in the heat exchanger is respectively communicated with a cooling water inlet pipe and a cooling water outlet pipe, the other end of the cooling water inlet pipe is communicated with an injection water main circulation pipeline, the other end of the cooling water outlet pipe is connected with one port of a four-way valve, the other three ports of the four-way valve are respectively connected with a water return pipe, a cold spot water outlet pipe and a temperature sensor, one end of the water return pipe is communicated with the four-way valve, the other end of the water return pipe is communicated with the injection water main circulation pipeline, a manual diaphragm valve is arranged on the injection water main circulation pipeline between the water return pipe and the cooling water inlet pipe, the utility model is used for a sub-circulation type cold spot cooling process in an injection water distribution system, so that the cooling injection water which is generated by a cold spot and is lower than 70 ℃ and does not meet the use temperature requirement returns to a main pipeline in a low flow rate form, saving water resource and production cost.

Description

Water return device for cold spot cooling equipment in injection water circulation form

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a water return device of cold spot cooling equipment in an injection water circulation mode.

Background

The water-cooled circulating cooling water cooling equipment is widely applied to various industry fields, the circulating temperature of a main system in an injection water distribution system is controlled to be more than 70 ℃, and the injection water distribution system needs to use cooling water such as a liquid preparation room, so that the injection water acted at 80 ℃ in the circulation is instantly switched to 25 ℃, the existing cold spot cooling equipment in the form of sub-circulation runs, the generated cooling injection water which is lower than 70 ℃ and does not meet the use temperature requirement is directly discharged, the economic cost generated while wasting water resources is increased, if the cooling injection water which does not meet the use temperature of a cold point is returned to the main system again and can meet the requirement of continuous use, the economic cost can be saved while saving water resources, the utility model therefore proposes a water return device for a cold spot cooling device in the form of an injection water circuit.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems mentioned in the background art, an embodiment of the present invention provides a water returning device for an injection water sub-circulation type cold spot cooling device, comprising a heat exchanger, wherein an internal circulation water pipe is arranged in the heat exchanger, a water inlet of the internal circulation water pipe is connected with one end of a cooling water inlet pipe, the other end of the cooling water inlet pipe is communicated with a main injection water circulation pipeline, a water outlet of the internal circulation water pipe is connected with one end of a cooling water outlet pipe, the other end of the cooling water outlet pipe is connected with one port of a four-way valve, the other three ports of the four-way valve are respectively connected with a water returning pipe, a cold spot water outlet pipe and a temperature sensor, one end of the water returning pipe is communicated with the four-way valve, the other end of the water returning pipe is communicated with the main injection water circulation pipeline, and a manual diaphragm valve is arranged on the main injection water circulation pipeline between the water returning pipe and the cooling water inlet pipe, and a return water control valve is arranged on the return water pipe, and a water outlet control valve is arranged on the cold spot water outlet pipe.

Preferably, the manual diaphragm valve is provided as a clean valve.

Preferably, the water outlet control valve and the water return control valve are provided as pneumatic angle seat valves.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:

the utility model is used for the sub-circulation type cold spot cooling process in the injection water distribution system, so that the cooling injection water which is generated by the cold spot and is lower than 70 ℃ and does not meet the use temperature requirement returns to the main pipeline in a low flow rate mode, the temperature of the main circulation is controlled to be more than 70 ℃, the use of the injection water in the main circulation is not influenced, the water resource is saved, and the production cost is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the shown attached drawing, a heat exchanger 1, a cooling water inlet pipe 2, an injection water main circulation pipeline 3, a cooling water outlet pipe four-way valve 4, a water return pipe 5, a cold spot water outlet pipe 6, a temperature sensor 7, a manual diaphragm valve 8, a water return control valve 9, a water outlet control valve 10 and an external circulation water pipe 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly connected to the other element or intervening elements may also be present.

In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, left, right" used herein generally refer to the upper, lower, left, and right directions as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.

As shown in fig. 1, the water returning device for a cold spot cooling device in an injection water circulation mode according to an embodiment of the present invention includes a heat exchanger 1, an internal circulation water pipe is disposed in the heat exchanger 1, a water inlet of the internal circulation water pipe is connected to one end of a cooling water inlet pipe 2, the other end of the cooling water inlet pipe 2 is communicated with a main injection water circulation pipeline 3, an external circulation water pipe 11 communicated with external cold water is disposed outside the internal circulation water pipe, the heat exchanger 1 cools the injection water flowing through the internal circulation water pipe through the external circulation water pipe 11, a water outlet of the external circulation water pipe is connected to one end of a cooling water outlet pipe, the other end of the cooling water outlet pipe is connected to one port of a four-way valve, and the other three ports of the four-way valve are respectively connected to a water return pipe 5, a cold spot water outlet pipe 6 and a temperature sensor 7, one end of a water return pipe 5 is communicated with a four-way valve, the other end of the water return pipe 5 is communicated with an injection water main circulation pipeline 3, a manual diaphragm valve 8 is arranged on the injection water main circulation pipeline 3 between the water return pipe 5 and a cooling water inlet pipe 2, the manual diaphragm valve 8 is set to be a clean valve, a water return control valve 9 is arranged on the water return pipe 5, a water outlet control valve 10 is arranged on a cold point water outlet pipe 6, and the water outlet control valve 10 and the water return control valve 9 are set to be pneumatic angle seat valves.

In the utility model, a manual diaphragm valve 8 is adopted to control the flow direction of an injection water main circulation pipeline 3, when a small amount of circulating water in the injection water main circulation pipeline 3 is shunted to enter an internal circulation water pipe in a heat exchanger 1 for cooling, water in the heat exchanger 1 is always in a flowing state, the cooled injection water flows through a four-way valve from a cooling water outlet pipe, a temperature sensor 7 at the port of the four-way valve measures the temperature of the inflowing cooling water, if the detected temperature of the injection water is higher than the use temperature, an outflow control valve 10 is controlled to be closed through a control panel, a backflow control valve 9 is controlled to be opened, the cooling water entering the four-way valve is recycled from a backflow pipe 5 to enter the injection water main circulation pipeline 3 for new circulation, because the water in the injection water main circulation pipeline 3 is higher than 70 ℃ and the flow is far higher than the flow of the injection water recycled by the backflow pipe 5, the temperature of the mixed water after entering the injection water main circulation pipeline 3 is still higher than 70 ℃, the use requirement of the injection water in the injection water main circulation pipeline 3 is met, if the detected injection water temperature is reduced to the use temperature, the water outlet control valve 10 is controlled to be opened and the water return control valve 9 is controlled to be closed through the control panel, and the cold spot use water flows out of the cold spot water outlet pipe 6.

The injection water recovery device is used in cold spot cooling equipment in an injection water distribution system, and can recover injection water which is generated in the cold spot cooling equipment and is lower than 70 ℃ and higher than the use temperature back to a main pipeline of the injection water distribution system, so that water resources are saved, and the production cost is saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A backwater device for cold spot cooling equipment in an injection water circulation mode is characterized by comprising a heat exchanger, wherein an internal circulation water pipe is arranged in the heat exchanger, a water inlet of the internal circulation water pipe is connected with one end of a cooling water inlet pipe, the other end of the cooling water inlet pipe is communicated with an injection water main circulation pipeline, a water outlet of the internal circulation water pipe is connected with one end of a cooling water outlet pipe, the other end of the cooling water outlet pipe is connected with one port of a four-way valve, the other three ports of the four-way valve are respectively connected with a backwater pipe, a cold spot water outlet pipe and a temperature sensor, one end of the backwater pipe is communicated with the four-way valve, the other end of the backwater pipe is communicated with the injection water main circulation pipeline, a manual diaphragm valve is arranged on the injection water main circulation pipeline between the backwater pipe and the cooling water inlet pipe, and a backwater control valve is arranged on the backwater pipe, and a water outlet control valve is arranged on the cold spot water outlet pipe.

2. The water returning apparatus for a cold spot cooling device in the form of an injected water sub-cycle according to claim 1, wherein the manual diaphragm valve is provided as a clean valve.

3. The water return apparatus for a cold spot cooling device in the form of an injected water sub-cycle according to claim 1, wherein the outlet control valve and the return control valve are provided as pneumatic angle seat valves.