CN218376851U

CN218376851U - Circulating water pump anti-freezing device and cooling circulating water system

Info

Publication number: CN218376851U
Application number: CN202222632340.9U
Authority: CN
Inventors: 李青; 李赫然; 谢朝锋; 李俊生; 杨道辉; 李斌; 韩春林; 杨世民; 张北斗; 李兆廷
Original assignee: Gansu Xusheng Display Technology Co ltd; Tunghsu Technology Group Co Ltd
Current assignee: Gansu Xusheng Display Technology Co ltd; Tunghsu Technology Group Co Ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-24
Anticipated expiration: 2032-10-08

Abstract

The utility model provides a circulating water pump prevents frostbite and congeals device and cooling circulation water system relates to refrigeration cycle water equipment technical field, and circulating water pump includes import and export, and the import intercommunication has the inlet tube, and the export intercommunication has the outlet pipe, and circulating water pump prevents frostbite and congeals the device and include: the two ends of each anti-freezing pipeline are respectively communicated with the position, close to the inlet, of the water inlet pipe and the position, close to the outlet, of the water outlet pipe; each anti-freezing pipeline is provided with a control valve, and the control valves are used for controlling the on-off of the anti-freezing pipelines and regulating the flow; the axial direction of the anti-freezing pipeline is respectively parallel to the axial direction of the water inlet pipe and the water outlet pipe, and the pipe diameter of the anti-freezing pipeline is not more than half of that of the water inlet pipe. The utility model provides a circulating water pump prevents frostbite and congeals device makes water flow in circulating water pump department through the pipeline of congealing that prevents frostbite that is on a parallel with circulating water pump direction of delivery, and then the production of heat realizes circulating water pump's frostbite and congeals, has avoided extra power consumptive, has also avoided the waste of water resource simultaneously.

Description

Circulating water pump anti-freezing device and cooling circulating water system

Technical Field

The utility model relates to a refrigeration cycle water equipment technical field especially relates to a circulating water pump prevents frostbite and congeals device and refrigeration cycle water system.

Background

At present, the cooling circulating water system is widely applied and can provide industrial water for various factories. The circulating water is usually powered by a circulating water pump, and once a problem occurs in a circulating water cooling system, normal industrial production is affected, so that the operation and normal standby operation of the circulating water pump are required to be ensured in factory production.

Because the freezing point of water is 0 ℃, in winter or in northern weather, equipment in a factory is easy to be in a lower environmental temperature, and the anti-freezing of the circulating water pump is particularly important for ensuring the normal operation of a cooling circulating water system. The freeze-proof method which can be adopted by the circulating water pump at present comprises the following steps: the electric heating sleeve is arranged on the pipeline close to the circulating water pump and used for ensuring that the temperature of water flowing at the circulating water pump is above a freezing point and avoiding freezing of the water flowing through the circulating water pump; the other mode is that a grounding port is arranged between a water inlet and a water outlet of the circulating water pump, part of water flowing through the circulating water pump flows out from the grounding port, and the effect of preventing the circulating water pump from freezing is achieved through the flow of the water.

Therefore, there is a need for a freeze-proof device for a circulating water pump to solve at least the above problems.

SUMMERY OF THE UTILITY MODEL

One technical problem to be solved by the present disclosure is: how to realize circulating water pump anti-freeze congeals and avoids the problem that power consumption is great, manual work and material cost are high and waste water resource.

In order to solve the technical problem, the embodiment of the present disclosure provides a device is prevented congealing by freezing to circulating water pump, and circulating water pump includes import and export, and the import intercommunication has the inlet tube, and the export intercommunication has the outlet pipe, and the device is prevented congealing by freezing by circulating water pump includes: the two ends of each anti-freezing pipeline are respectively communicated with the inlet position close to the water inlet pipe and the outlet position close to the water outlet pipe; each anti-freezing pipeline is provided with a control valve, and the control valves are used for controlling the on-off of the anti-freezing pipelines and regulating the flow; the axial direction of the anti-freezing pipeline is respectively parallel to the axial direction of the water inlet pipe and the water outlet pipe, and the pipe diameter of the anti-freezing pipeline is not more than half of that of the water inlet pipe.

In some embodiments, the anti-freeze condensation pipelines are a pair of a first pipeline and a second pipeline, the second pipeline is arranged in parallel with the first pipeline, and the first pipeline and the second pipeline are symmetrically arranged by taking the circulating water pump as a center.

In some embodiments, the inlet pipe, the outlet pipe, and/or the freeze-proofing piping are coated with an insulating layer.

In some embodiments, a first opening close to the circulating water pump is arranged on the water inlet pipe, a second opening close to the circulating water pump is arranged on the water outlet pipe, two ends of the anti-freezing pipeline are respectively communicated with the first opening and the second opening, and the axial direction of the anti-freezing pipeline is arranged along the horizontal direction.

In some embodiments, the distance between the first opening and the inlet of the circulating water pump and the distance between the second opening and the outlet of the circulating water pump respectively do not exceed 1000mm.

In some embodiments, the anti-freezing pipeline comprises a first branch pipeline and a second branch pipeline which are communicated with each other, the end parts of the first branch pipeline and the second branch pipeline, which are far away from each other, are respectively communicated with the first opening and the second opening, and the control valve is connected between the first branch pipeline and the second branch pipeline.

In some embodiments, the freeze congelation prevention line is connected with the first opening and the second opening by welding or quick-coupling.

In some embodiments, the water inlet pipe and the water outlet pipe are coaxially arranged, and the distance between the axial direction of the anti-freezing pipeline and the axial direction of the water inlet pipe is less than 1000mm; the pipe diameter of the anti-freezing pipeline is 15 mm-30 mm.

In some embodiments, the control valve is a ball valve and the circulating water pump is a swash plate valve.

The embodiment of the disclosure also provides a cooling circulating water system, which comprises the circulating water pump anti-freezing device.

Through the technical scheme, the anti-freezing device of the circulating water pump is communicated with the water inlet pipe and the water outlet pipe of the circulating water pump through the anti-freezing pipeline, and a part of water in the water inlet pipe flows into the water outlet pipe through the anti-freezing pipeline by utilizing the water pressure of the water inlet pipe, so that the water flows in the anti-freezing pipeline, and heat is generated through the flow of the water; meanwhile, the flowing of water destroys the aggregation of water molecules around the condensation nucleus, and the water is destroyed by condensation, so that the effect of preventing the freezing of the circulating water pump is achieved. This is disclosed makes water flow in circulating water pump department through the pipeline of congealing that prevents frostbite that is on a parallel with circulating water pump's direction of delivery, and then produces the heat, realizes that circulating water pump prevents frostbite and congeals, has avoided extra power consumptive, has also avoided the waste of water resource simultaneously, on the basis that makes circulating water pump prevent frostbite and congeal, avoids the mill to produce extra cost.

The cooling circulating water system provided by the disclosure and the circulating water pump anti-freezing device provided by the disclosure have the same or similar technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a circulating water pump anti-freezing device disclosed by an embodiment of the disclosure;

FIG. 2 is a front view of a circulating water pump anti-freeze apparatus disclosed in an embodiment of the present disclosure;

FIG. 3 is a top view of a circulating water pump anti-freeze apparatus according to an embodiment of the disclosure;

fig. 4 is a side view of a circulating water pump anti-freeze device disclosed in the embodiment of the disclosure.

Description of reference numerals:

1. a water circulating pump; 2. a water inlet pipe; 3. a water outlet pipe; 4. a freeze-coagulation prevention pipeline; 5. a control valve; 6. a first opening; 7. a second opening; 8. a first branch line; 9. a second branch line.

Detailed Description

Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are included to illustrate the principles of the disclosure, but are not intended to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

It is noted that in the description of the present disclosure, unless otherwise indicated, "a plurality" means greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicate an orientation or positional relationship merely to facilitate the description of the disclosure and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the disclosure. When the absolute position of the object being described changes, then the relative positional relationship may also change accordingly.

Moreover, the use of "first," "second," and similar terms in this disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. "vertical" is not strictly vertical, but is within the tolerance of the error. "parallel" is not strictly parallel but within the tolerance of the error. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered.

It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" in the description of the present disclosure are to be construed broadly and may for example be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood as appropriate to one of ordinary skill in the art. When a particular device is described as being between a first device and a second device, intervening devices may or may not be present between the particular device and the first device or the second device.

All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In industrial water treatment, because a circulating water pump generally adopts a specification with relatively large water flow, relatively large lift, relatively large pressure and the like, and water is mostly used as a medium, once the circulating water pump is frozen in winter, the valve can be frozen by the force of water expansion. Because the freezing point of water is 0 ℃, and the weather is cold in winter, the water pump is easy to generate lower temperature, under the condition, in order to ensure the normal operation and standby of various water pumps, the anti-freezing of the water pump is very important. Therefore, most enterprises consider the anti-freeze work of outdoor equipment when winter comes. For example, the inlet and outlet pipes of the circulating water pump are respectively provided with an electric heating sleeve, the electric heating sleeve provides a certain temperature for the pipes, and even the electric heating sleeve is combined with a temperature sensor and a controller, so that automatic heating according to the actual environment temperature is realized. This kind of mode can be effectively to the circulating water pump frost heaving, but power consumption is great, causes the energy extravagant to also extra production cost of labor and material cost need the staff to monitor and maintain and examine, avoid the condition emergence of electric leakage or trouble, consequently and lead to extra consumption, be unfavorable for cost control. In another mode, a small-diameter grounding port is formed in the circulating water pump, part of water flowing through the circulating water pump flows out of the water circulating pipeline from the grounding port, and the effect of preventing frost condensation of the circulating water pump is achieved through the flowing of the water. Although the method does not generate extra electricity cost, the method wastes a great deal of water resources, and is not beneficial to saving resources and controlling cost. There are other ways to prevent freezing of the circulating water pump, such as circulating water supply to the circulating water pump through an additional indoor water tank and an indoor water pump, because the running time of the cooling circulating water system is long, the way is also power-consuming, the labor cost and the material cost are also generated, and the running state of the indoor water pump needs to be concerned.

In order to solve the problems existing in the prior art, an embodiment of the present disclosure provides a circulating water pump anti-freezing device, as shown in fig. 1 to fig. 4, the circulating water pump 1 includes an inlet and an outlet, the inlet is communicated with a water inlet pipe 2, the outlet is communicated with a water outlet pipe 3, the circulating water pump anti-freezing device includes: two ends of each anti-freezing pipeline 4 are respectively communicated with the inlet position of the water inlet pipe 2 and the outlet position of the water outlet pipe 3; each anti-freezing pipeline 4 is provided with a control valve 5, and the control valves 5 are used for controlling the on-off of the anti-freezing pipelines 4 and regulating the flow; wherein, the axial of the freeze-proof pipeline 4 is respectively parallel to the axial of the water inlet pipe 2 and the water outlet pipe 3, and the pipe diameter of the freeze-proof pipeline 4 is not more than half of the pipe diameter of the water inlet pipe 2.

The anti-freezing device of the circulating water pump is communicated with a water inlet pipe 2 and a water outlet pipe 3 of the circulating water pump 1 through an anti-freezing pipeline 4, a part of water in the water inlet pipe 2 flows into the water outlet pipe 3 through the anti-freezing pipeline 4 by utilizing the water pressure of the water inlet pipe 2, so that the water flows in the anti-freezing pipeline 4, and heat is generated through the flow of the water; meanwhile, the water flow destroys the aggregation of water molecules around the condensation nucleus, and the water condensation is destroyed, so that the effect of preventing the water from freezing of the circulating water pump 1 is achieved. This is disclosed to make water flow in circulating water pump 1 department through the pipeline 4 that congeals that prevents frostbite that is on a parallel with circulating water pump 1's direction of delivery, and then produces the heat, realizes circulating water pump's frostbite and congeals, has avoided extra power consumptive, has also avoided the waste of water resource simultaneously, on the basis that makes circulating water pump 1 frostbite and congeal, avoids the mill to produce extra cost.

The utility model provides a circulating water pump prevents frostbite and congeals device, the import and the export of circulating water pump 1 are coaxial, consequently, inlet tube 2 and outlet pipe 3 also are coaxial, form the circulation water route, utilize prevent frostbite and congeal pipeline 4 and form the bypass that is on a parallel with the circulation water route, through the break-make of control valve 5 control bypass and the flow of water, when circulating water pump 1 when operation, inlet tube 2 has the malleation for outlet pipe 3, provides sufficient pressure and power for the flow of circulating water pump 1 internal medium.

When the control valve 5 is opened, a part of water in the water inlet pipe 2 flows to the water outlet pipe 3 through bypass shunting, so that the water at the upstream and the downstream of the circulating water pump 1 flows, the flow of the water can generate flow, meanwhile, the flowing of the water enables water molecules to be difficult to condense around condensation nuclei, the gathering of the water molecules around the condensation nuclei is damaged, and the water is destroyed by condensation, so that the condition that the circulating water pump 1 is frozen due to too cold weather is avoided at proper temperature. For workers, the operation is not needed too much, the operation is simple, the danger is low, the workload is reduced, and the working efficiency is improved.

In some embodiments, as shown in fig. 1, the anti-freeze pipeline 4 is one, and is disposed parallel to the water inlet pipe 2, and the on/off of the anti-freeze pipeline 4 is controlled by the control valve 5 and the flow rate is adjusted, so that the circulating water pipeline provides a water diversion to the side of the anti-freeze pipeline 4, and a certain amount of heat can be provided between the upstream and the downstream of the circulating water pump 1, thereby preventing the circulating water pump 1 from being frozen.

In some embodiments, the anti-freeze pipeline 4 is a pair, and includes a first pipeline and a second pipeline, the second pipeline is arranged in parallel with the first pipeline, two ends of the first pipeline and the second pipeline are respectively communicated with the inlet of the water inlet pipe 2 and the outlet of the water outlet pipe 3, and the first pipeline and the second pipeline are symmetrically arranged by taking the circulating water pump 1 as a center; wherein, the first pipeline and the second pipeline are respectively provided with a control valve 5.

First pipeline and second pipeline can simultaneous working, can provide the reposition of redundant personnel of water for circulating water route both sides jointly through first pipeline and second pipeline, provide certain heat in circulating water pump 1's both sides to can further avoid making circulating water pump 1 by the condition of freezing because of the temperature is lower.

The first pipeline and the second pipeline can also work respectively, and the first pipeline or the second pipeline is used for providing a standby pipeline, so that the normal work of the anti-freezing pipeline 4 can be still ensured through the other pipeline when the control valve 5 of the anti-freezing pipeline 4 in work breaks down, and the anti-freezing of the circulating water pump 1 is ensured.

Control valves 5 may be provided on the second and first lines, respectively, to enable independent control of the respective lines.

In some embodiments, the control valve 5 is a ball valve and the circulating water pump 1 is a swash plate valve.

Control valve 5 is the ball valve, and is manual control's ball valve, avoids the power consumption of whole circulating water pump anti-freeze device through manual control to can realize no power supply work, thereby can guarantee circulating water pump 1 anti-freeze when congealing, avoid the extra power supply to the factory production, compare in prior art the mode that the electrical heating anti-freeze congealed can the energy saving, alleviate power consumption pressure. The ball valve is current product, and concrete structure is no longer repeated, can control the make-and-break of preventing frostbite congealing pipeline 4 through the ball valve, also can realize the regulation to the flow of the water of the pipeline 4 that prevents frostbite congeals of flowing through the aperture of adjusting the ball valve.

In some embodiments, inlet pipe 2, outlet pipe 3, and/or freeze-protected piping 4 are coated with an insulating layer.

The heat preservation can be made by rubber, plastic, also can be for making by materials such as cotton, knitting wool, and the heat preservation has certain thickness, and the cladding is in inlet tube 2, outlet pipe 3 and prevent congealing the 4 outsides of pipeline, can provide certain temperature for the pipeline, on the basis of preventing congealing the rivers of pipeline 4, has further improved circulating water pump 1's the effect of preventing congealing.

In some embodiments, as shown in fig. 1, a first opening 6 is provided on the water inlet pipe 2 close to the circulating water pump 1, a second opening 7 is provided on the water outlet pipe 3 close to the circulating water pump 1, two ends of the freeze-proof pipeline 4 are respectively communicated with the first opening 6 and the second opening 7, and the axial direction of the freeze-proof pipeline 4 is arranged along the horizontal direction.

Prevent frostbite and congeal pipeline 4 and communicate respectively in first opening 6 and second opening 7, utilize originally at the water that flows in the circulating water route and circulating water pump 1's malleation to flow in preventing frostbite and congeal pipeline 4, neither need extra water source, also need not the water in the extravagant circulating water route, compare in the mode that adopts extra water tank circulation water supply and set up the ground connection mouth, the waste of arranging and having avoided the water resource of having saved equipment, and easy operation, only need open control valve 5 when the temperature is lower can realize circulating water pump 1's effect of preventing frostbite and congealing.

In some embodiments, the distance between the first opening 6 and the inlet of the circulating water pump 1 and the distance between the second opening 7 and the outlet of the circulating water pump 1 are respectively not more than 1000mm.

The connecting position of anti-freezing pipeline 4 and circulating water path needs to be kept in the proper distance range between and circulating water pump 1, on one hand can guarantee that circulating water pump 1 gets into the pressure of anti-freezing pipeline 4 to the water to the malleation that inlet tube 2 provided, on the other hand can guarantee the flow of rivers in anti-freezing pipeline 4.

In some embodiments, the distance between the first opening 6 and the inlet of the circulating water pump 1 and the distance between the second opening 7 and the outlet of the circulating water pump 1 may be specifically determined according to the specifications of the head, the flow rate and the like of the circulating water pump 1, for example, when the flow rate of the circulating water pump 1 is 400 to 500 hundred, the distance between the first opening 6 and the inlet of the circulating water pump 1 and the distance between the second opening 7 and the outlet of the circulating water pump 1 may be 200 to 500mm.

In some embodiments, as shown in fig. 1 to 4, the antifreeze line 4 comprises a first branch line 8 and a second branch line 9 which communicate with each other, the ends of the first branch line 8 and the second branch line 9 facing away communicate with the first opening 6 and the second opening 7, respectively, and the control valve 5 is connected between the first branch line 8 and the second branch line 9.

The first branch line 8 and the second branch line 9 may be L-shaped, respectively, and comprise a long line for communication with the one or the second opening 7 and a short line for connection to the control valve 5, parallel to the circulation water path.

In some embodiments, the freeze proof line 4 is connected to the first opening 6 and the second opening 7 by welding or quick-coupling.

The first branch pipeline 8 and the second branch pipeline 9 can be connected to the first opening 6 or the second opening 7 through welding, so that the connection strength is guaranteed, the first opening 6 and the second opening 7 are respectively arranged on the side faces of the water inlet pipe 2 and the water outlet pipe 3, the aperture of the first opening 6 and the aperture of the second opening 7 are matched with the pipe diameter of the anti-freezing pipeline 4, the control valve 5 is arranged on the anti-freezing pipeline 4, the circulating water pump 1 is controlled by the control valve 5, namely the upstream and downstream water flowing conditions of the inclined plate valve are realized, the inlet water of the inclined plate valve flows into the water outlet pipe 3 through the anti-freezing pipeline 4, the purpose of water flowing is realized, heat can be generated through water flow, the water molecules are damaged through the flowing of the water to be gathered and condensed around a condensation core, and the anti-freezing effect of the circulating water pump 1 is achieved.

In some embodiments, the antifreeze line 4 may also be connected to the first opening 6 and the second opening 7 via quick-connects to facilitate disassembly and servicing.

In some embodiments, the water inlet pipe 2 and the water outlet pipe 3 are coaxially arranged, and the distance between the axial direction of the anti-freeze condensation pipeline 4 and the axial direction of the water inlet pipe 2 is less than 1000mm; the pipe diameter of the anti-freezing pipeline 4 is 15 mm-30 mm.

The effect of the water flowing in the anti-freezing pipeline 4 on the circulating water pump 1 can be ensured by limiting the distance between the axial direction of the anti-freezing pipeline 4 and the axial direction of the water inlet pipe 2, so that the effect of the heat generated by the water flowing on the circulating water pump 1 is improved.

The utility model provides a circulating water pump anti-freeze device has not only reduced the water pump and has crossed the condition that makes the pump frost crack because of the temperature is low excessively, also brought the facility for operating personnel simultaneously, easy operation, safe and reliable, dangerous reduction has improved work efficiency, provides reliable guarantee for the normal production of enterprise.

The utility model provides a cooling circulation water system includes the circulation water route, and the circulation water route includes circulating water pump 1, inlet tube 2 and outlet pipe 3, and circulating water pump 1 includes import and export, and import and export coaxial setting, and the import is put through in inlet tube 2, and the export communicates in outlet pipe 3, and the both ends of preventing frostbite congealing pipeline 4 communicate respectively in inlet tube 2's outlet pipe 3. The circulating water pump 1 is a sloping plate valve.

The cooling circulating water system that this disclosure provided, when circulating water pump 1 operates, utilize circulating water pump 1 to provide pressure and power to the water in the circulating water way, when opening control valve 5, the aqueous medium in the circulating water way is through preventing frostbite congeals pipeline 4 and is flowed to the push-pull valve play water side from the push-pull valve inflow side, lets whole push-pull valve both sides quality of water circulate like this, and the circulation of utilization water can produce the heat to it condenses at the condensation core to have destroyed the hydrone, so, avoids making the circumstances that push-pull valve freezes because of weather is too cold under appropriate temperature.

The cooling circulating water system provided by the disclosure has the advantages that the anti-freezing device is simple in structure and simple in operation, compared with the prior art, the resources and the energy are saved, the operation is simple, the workload and the danger are reduced, and the working efficiency is improved.

Thus, various embodiments of the present disclosure have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict.

Claims

1. The utility model provides a circulating water pump prevents frostbite and congeals device, its characterized in that, circulating water pump (1) is including import and export, the import intercommunication has inlet tube (2), the export intercommunication has outlet pipe (3), prevent frostbite and congeal the device and include:

the two ends of each anti-freezing pipeline (4) are respectively communicated with the position, close to the inlet, of the water inlet pipe (2) and the position, close to the outlet, of the water outlet pipe (3); and the number of the first and second groups,

each anti-freezing pipeline (4) is provided with one control valve (5), and the control valves (5) are used for controlling the on-off of the anti-freezing pipelines (4) and adjusting the flow;

wherein, prevent frostbite congeal the axial of pipeline (4) respectively with inlet tube (2) with the axial direction parallel of outlet pipe (3), just the pipe diameter of preventing frostbite congealing pipeline (4) is not more than half of the pipe diameter of inlet tube (2).

2. The circulating water pump anti-freezing device as claimed in claim 1, wherein the anti-freezing pipeline (4) is a pair of a first pipeline and a second pipeline, the second pipeline is arranged in parallel with the first pipeline, and the first pipeline and the second pipeline are symmetrically arranged around the circulating water pump (1).

3. The circulating water pump anti-freezing device as claimed in claim 1, wherein the water inlet pipe (2), the water outlet pipe (3) and/or the anti-freezing pipeline (4) are/is coated with an insulating layer.

4. The circulating water pump frost-prevention device of claim 1, wherein the water inlet pipe (2) is provided with a first opening (6) close to the circulating water pump (1), the water outlet pipe (3) is provided with a second opening (7) close to the circulating water pump (1), two ends of the frost-prevention pipeline (4) are respectively communicated with the first opening (6) and the second opening (7), and the axial direction of the frost-prevention pipeline (4) is arranged along the horizontal direction.

5. A circulating water pump anti-freeze apparatus according to claim 4, characterized in that the distance between the first opening (6) and the inlet of the circulating water pump (1) and the distance between the second opening (7) and the outlet of the circulating water pump (1) do not exceed 1000mm, respectively.

6. A circulating water pump anti-freezing device as claimed in claim 4, wherein the anti-freezing pipeline (4) comprises a first branch pipeline (8) and a second branch pipeline (9) which are communicated with each other, the ends of the first branch pipeline (8) and the second branch pipeline (9) which are deviated from each other are respectively communicated with the first opening (6) and the second opening (7), and the control valve (5) is connected between the first branch pipeline (8) and the second branch pipeline (9).

7. The circulating water pump frost-proof device of claim 4, wherein the frost-proof pipeline (4) is connected with the first opening (6) and the second opening (7) by welding or quick joint.

8. The circulating water pump anti-freezing device as claimed in claim 1, wherein the water inlet pipe (2) and the water outlet pipe (3) are coaxially arranged, and the distance between the axial direction of the anti-freezing pipeline (4) and the axial direction of the water inlet pipe (2) is less than 1000mm; the pipe diameter of the anti-freezing pipeline (4) is 15-30 mm.

9. The circulating water pump anti-freezing device as claimed in claim 1,

the control valve (5) is a ball valve, and the circulating water pump (1) is a sloping plate valve.

10. A cooling circulation water system, characterized by comprising the circulating water pump anti-freeze apparatus according to any one of claims 1 to 9.