Water hammer spraying assembly and vacuum degassing device

Abstract

The utility model discloses a water hammer spraying assembly and a vacuum degassing device, and belongs to the technical field of fluid degassing, the water hammer spraying assembly comprises a first cavity and a second cavity, the first cavity is provided with an inlet for fluid to enter the first cavity, the first cavity is communicated with the second cavity, the first cavity is separated from the second cavity through a diamond net, and the diamond net is arranged in the second cavity. The fluid in the first cavity impacts on the rhombic net, the fluid is converted into a plurality of water columns to enter the second cavity, the second cavity is separated from the outside through the spraying hole net, and the water columns in the second cavity are sprayed to the outside through the spraying hole net. The utility model further discloses a vacuum degassing device. According to the utility model, fluid enters the first cavity and impacts on the diamond net, then the fluid is converted into a plurality of fine water columns, and the plurality of fine water columns pass through the spraying hole net and enter the degassing tank in a spraying manner, so that bubbles contained in the fluid are more thoroughly separated out, and the degassing efficiency of equipment operation is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fluid degassing technical field especially relates to a water hammer spray subassembly and vacuum degassing device. BACKGROUND

[0002] The heating and refrigeration water circulation system, when actually running, due to normal water supply and partial leakage of pipe network, some gas will enter the system, and this part of gas will exist in the pipe network system in the form of air mass, free bubble and dissolved gas, and the gas existing in the water will bring many adverse effects to the heating and refrigeration water circulation system:

[0003] 1. Air resistance is generated, causing uneven system resistance, non-energy-saving operation and noise;

[0004] 2. The effective head and operating efficiency of the water pump are reduced, and the service life of the equipment and pipe network is reduced;

[0005] 3. The surface of the heat exchanger plate is attached with bubbles, reducing the heat exchange efficiency;

[0006] 4. Oxygen corrosion of the equipment is caused, the service life of the equipment is reduced, and the long-term safe and reliable operation of the system is affected;

[0007] And in the heating and refrigeration water circulation system, most of the existing automatic exhaust valves are installed, only a part of the air mass gathered at the high point is excluded, and the free bubbles and dissolved gas cannot be excluded, and a small part of customers use the vacuum degassing machine on the market, and valves, second ball valves, filters and check valves need to be configured on site, which brings inconvenience to construction, and at the same time, the system water enters the degassing tank in the form of single water column, and the degassing efficiency is not high.

[0008] Therefore, it is urgent to design a water hammer spray subassembly and vacuum degassing device to solve the above problems. INVENTION CONTENTS

[0009] The utility model discloses a water hammer spray subassembly and vacuum degassing device, have the advantages that the degassing efficiency is high, and the dissolved gas is more easy to separate out, solve the problem mentioned in the background art.

[0010] To achieve the above object, the technical scheme of the utility model is as follows:

[0011] A water hammer spray subassembly, comprising a first cavity and a second cavity, an inlet is arranged on the first cavity to allow fluid to enter the first cavity, the first cavity is communicated with the second cavity, and the first cavity and the second cavity are separated by a diamond mesh, so that the fluid in the first cavity impacts on the diamond mesh, and the fluid is converted into a plurality of water columns and enters the second cavity, the second cavity is separated from the outside by a spray hole mesh, so that the water columns in the second cavity pass through the spray hole mesh and are sprayed to the outside.

[0012] Further, the water hammer spray assembly further comprises a bottom plate, the bottom plate is fixedly connected with the first and last connected diamond-shaped net, and the first and last connected diamond-shaped net and the bottom plate form a first cavity.

[0013] Further, the bottom plate is fixedly connected with the first and last connected spray hole net, the first and last connected spray hole net is sleeved outside the first and last connected diamond-shaped net, and the bottom plate, the first and last connected spray hole net and the first and last connected diamond-shaped net form a second cavity.

[0014] Further, the water hammer spray assembly further comprises a top plate, the top plate is fixedly connected with the first and last connected spray hole net and the first and last connected diamond-shaped net, and the inlet is arranged on the top plate.

[0015] Further, the inlet is connected with a connecting pipe, and the connecting pipe is in communication with the first cavity.

[0016] A vacuum degassing device comprises the water hammer spray assembly, a degassing tank and a liquid inlet pipeline, the water hammer spray assembly is arranged in the degassing tank, the connecting pipe penetrates through the degassing tank and extends out of the degassing tank, one end of the connecting pipe extending out of the degassing tank is in communication with the liquid inlet pipeline, so that the fluid enters the water hammer spray assembly through the liquid inlet pipeline and is then sprayed into the degassing tank.

[0017] Further, a second ball valve is connected to the liquid inlet pipeline, and whether the liquid inlet pipeline is in communication with the degassing tank is controlled by opening and closing the second ball valve.

[0018] Further, the vacuum degassing device further comprises a liquid outlet pipeline, one end of the liquid outlet pipeline is in communication with the degassing tank, the other end of the liquid outlet pipeline away from the degassing tank is in communication with a system pipeline, and the other end of the liquid inlet pipeline away from the degassing tank is in communication with the system pipeline, so that the fluid in the system pipeline is circulated and degassed.

[0019] Further, a water pump is connected to the liquid outlet pipeline, and whether the fluid degassed is discharged into the system pipeline is controlled by opening and closing the water pump.

[0020] Further, the degassing tank is sequentially provided with a first liquid level measuring point, a second liquid level measuring point and a third liquid level measuring point from top to bottom, the first liquid level measuring point, the second liquid level measuring point and the third liquid level measuring point are electrically connected with an automatic control system, and the automatic control system is electrically connected with the second ball valve and the water pump.

[0021] When the fluid in the degassing tank is at the first liquid level measuring point, the automatic control system closes the second ball valve and starts the water pump, the liquid inlet pipeline is disconnected with the degassing tank, and the fluid degassed is discharged into the system pipeline.

[0022] When the fluid in the degassing tank is at the second liquid level measuring point, the automatic control system starts the second ball valve and closes the water pump, the liquid inlet pipeline is in communication with the degassing tank, so that the fluid in the system pipeline enters the degassing tank for degassing treatment, and the fluid degassed is disconnected from being discharged into the system pipeline.

[0023] When the fluid in the degassing tank is at the third liquid level measuring point, the automatic control system closes the second ball valve and the water pump, the liquid inlet pipeline is disconnected from the degassing tank, the degassed fluid is disconnected from the system pipeline, and an abnormality is determined and an alarm is processed.

[0024] The utility model has the following advantages: after the fluid enters the first cavity and impacts on the diamond net, the fluid is converted into multiple small water columns, the multiple small water columns pass through the spray hole net and enter the degassing tank in the form of spraying, so that the gas bubbles contained in the fluid are more completely separated out, and the equipment has higher degassing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a connection structure schematic view of the vacuum degassing device and the system pipeline of the utility model;

[0026] Figure 2 It is a whole structure schematic view of the vacuum degassing device of the utility model;

[0027] Figure 3 It is a whole structure schematic view of the water impact spray assembly of the utility model;

[0028] Figure 4 It is a cross section structure schematic view of the water impact spray assembly of the utility model;

[0029] Marking description in the drawing: 1, water impact spray assembly; 11, diamond net; 12, spray hole net; 13, bottom plate; 14, top plate; 15, connecting pipe; 16, first cavity; 17, second cavity; 2, degassing tank; 21, first liquid level measuring point; 22, second liquid level measuring point; 23, third liquid level measuring point; 3, liquid inlet pipeline; 31, first ball valve; 32, dirt separator; 33, second ball valve; 4, liquid outlet pipeline; 41, flexible joint; 42, water pump; 43, check valve; 44, third ball valve; 5, exhaust assembly; 51, first exhaust valve; 52, second exhaust valve; 6, vacuum pressure gauge; 7, system pipeline. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] Those skilled in the art will appreciate that the features of the various embodiments can be combined with each other in any combination within the scope of the present application and form different embodiments. For example, in the claims, any of the claimed embodiments can be used in any combination.

[0032] Reference will now be made to the drawings Figure 1 to the drawings Figure 4 A water hammer spray assembly and a vacuum degassing device are described.

[0033] A vacuum degassing device, comprising a degassing tank 2, a liquid inlet pipeline 3 and a liquid outlet pipeline 4, one end of the liquid inlet pipeline 3 is communicated with the top end of the degassing tank 2, the end of the liquid inlet pipeline 3 away from the degassing tank 2 is communicated with a system pipeline 7, one end of the liquid outlet pipeline 4 is communicated with the bottom end of the degassing tank 2, the end of the liquid outlet pipeline 4 away from the degassing tank 2 is communicated with the system pipeline 7, so that the fluid in the system pipeline 7 flows to the degassing tank 2 through the liquid inlet pipeline 3 along the flow direction A for degassing, and then the degassed fluid flows to the system pipeline 7 through the liquid outlet pipeline 4 along the flow direction A, thereby the fluid in the system pipeline 7 is circulated and degassed.

[0034] The second ball valve 33 is connected to the liquid inlet pipeline 3, and the opening and closing of the second ball valve 33 controls whether the liquid inlet pipeline 3 is communicated with the degassing tank 2, when the second ball valve 33 is in an open state, the liquid inlet pipeline 3 is communicated with the degassing tank 2, so that the fluid in the system pipeline 7 flows to the degassing tank 2 through the liquid inlet pipeline 3 along the flow direction A, when the second ball valve 33 is in a closed state, the liquid inlet pipeline 3 is not communicated with the degassing tank 2, specifically, the second ball valve 33 is an electric ball valve, and the opening and closing of the second ball valve 33 can be controlled by the signal of a control system.

[0035] The first ball valve 31 is also connected to the liquid inlet pipeline 3, and the first ball valve 31 is in series with the second ball valve 33, when the second ball valve 33 is in an open state, the opening and closing of the first ball valve 31 controls whether the liquid inlet pipeline 3 is communicated with the degassing tank 2, when the first ball valve 31 is in an open state, the liquid inlet pipeline 3 is communicated with the degassing tank 2, so that the fluid in the system pipeline 7 flows to the degassing tank 2 through the liquid inlet pipeline 3 along the flow direction A, when the first ball valve 31 is in a closed state, the liquid inlet pipeline 3 is not communicated with the degassing tank 2, specifically, the first ball valve 31 is a manual ball valve, and the opening and closing of the first ball valve 31 can be controlled by manually rotating the handle of the first ball valve 31.

[0036] Preferably, the liquid inlet pipeline 3 is connected with a second ball valve 33 and a first ball valve 31, the first ball valve 31 is usually in an open state, whether the liquid inlet pipeline 3 is communicated with the degassing tank 2 is controlled by opening and closing of the second ball valve 33, by setting the first ball valve 31, when the second ball valve 33 fails to be closed, the first ball valve 31 can be manually closed, so that the liquid inlet pipeline 3 is disconnected with the degassing tank 2, in other embodiments of the utility model, the first ball valve 31 or the second ball valve 33 can also be separately arranged, as long as whether the liquid inlet pipeline 3 is communicated with the degassing tank 2 can be guaranteed.

[0037] The liquid inlet pipeline 3 is also connected with a dirt separator 32, by setting the dirt separator 32, the fluid flowing into the degassing tank 2 along the flow direction A is filtered to remove dirt, so that the liquid inlet pipeline 3 and the degassing tank 2 are prevented from being blocked.

[0038] The connection between the degassing tank 2 and the liquid outlet pipeline 4 is connected through a flexible joint 41, since the pipeline system will be displaced due to thermal expansion and contraction, foundation settlement and other reasons, the flexible joint 41 has certain elasticity and flexibility, can compensate the displacement between the pipelines, avoid the pipelines from being damaged due to excessive stretching or compression, ensure the continuity and integrity of the pipeline system, specifically, the flexible joint 41 is made of rubber, in other embodiments of the utility model, other materials can also be used, as long as the displacement can be compensated.

[0039] The liquid outlet pipeline 4 is connected with a water pump 42, whether the degassed fluid is discharged into the system pipeline 7 is controlled by opening and closing of the water pump 42, when the water pump 42 is started, the degassed fluid is discharged into the system pipeline 7 through the liquid outlet pipeline 4 along the flow direction A, when the water pump 42 is closed, the degassed fluid is disconnected from the system pipeline 7.

[0040] The liquid outlet pipeline 4 is also connected with a third ball valve 44, the third ball valve 44 is connected in series with the water pump 42, whether the degassed fluid is discharged into the system pipeline 7 is controlled by opening and closing of the third ball valve 44, the third ball valve 44 is usually in an open state, specifically, the third ball valve 44 is a manual ball valve, by setting the third ball valve 44, when the water pump 42 fails to be closed, the third ball valve 44 can be manually closed, so that the liquid outlet pipeline 4 is disconnected with the degassing tank 2, in other embodiments of the utility model, the third ball valve 44 can also be an electric ball valve.

[0041] The exhaust pipeline is also connected with a check valve 43, by setting the check valve 43, the degassed fluid cannot flow back into the degassing tank 2, that is, the degassed gas can only flow into the system pipeline 7 along the flow direction A.

[0042] The degassing tank 2 is connected with an exhaust assembly 5, and the gas in the degassing tank 2 is exhausted through the exhaust assembly 5. Specifically, the exhaust assembly 5 comprises a first exhaust valve 51, and the first exhaust valve 51 is an automatic exhaust valve. When the gas pressure in the degassing tank 2 reaches a certain value, the first exhaust valve 51 is opened to exhaust the gas in the degassing tank 2. At the same time, the first exhaust valve 51 makes the degassing tank 2 be in a vacuum and low-pressure environment, so that the free bubbles and dissolved gas in the fluid are continuously separated out under the vacuum and low-pressure environment and are exhausted through the first exhaust valve 51.

[0043] The exhaust assembly 5 further comprises a second exhaust valve 52. When the first exhaust valve 51 is in an open state, whether the gas in the degassing tank 2 is exhausted is controlled by opening and closing the second exhaust valve 52. Specifically, the second exhaust valve 52 is a manual exhaust valve, and the opening and closing of the second exhaust valve 52 is controlled by manually rotating a handle of the second exhaust valve 52.

[0044] Preferably, the degassing tank 2 is connected with the first exhaust valve 51 and the second exhaust valve 52. The second exhaust valve 52 is usually in a closed state, and whether the gas in the degassing tank 2 is exhausted is controlled by automatically opening and closing the first exhaust valve 51. The second exhaust valve 52 is arranged to make the gas in the degassing tank 2 be exhausted through the second exhaust valve 52 when the first exhaust valve 51 fails to exhaust. In other embodiments of the utility model, the first ball valve 31 or the second ball valve 33 can also be arranged alone, as long as the degassing tank 2 can be controlled to exhaust.

[0045] The degassing tank 2 is connected with a vacuum pressure gauge 6, and the vacuum pressure gauge 6 can display the value of the vacuum pressure environment in the degassing tank 2.

[0046] The degassing tank 2 is sequentially provided with a first liquid level measuring point 21, a second liquid level measuring point 22 and a third liquid level measuring point 23 from top to bottom. The first liquid level measuring point 21, the second liquid level measuring point 22 and the third liquid level measuring point 23 are electrically connected with a self-control system, and the self-control system is electrically connected with the second ball valve 33 and the water pump 42.

[0047] When the fluid in the degassing tank 2 is at the first liquid level measuring point 21, the first liquid level measuring point 21 sends a signal to the self-control system, the self-control system closes the second ball valve 33 and starts the water pump 42, the liquid inlet pipeline 3 is disconnected with the degassing tank 2, so that the fluid in the system pipeline 7 cannot enter the degassing tank 2 for degassing treatment, and the degassed fluid is discharged into the system pipeline 7.

[0048] When the fluid in the degassing tank 2 is at the second liquid level measuring point 22, the second liquid level measuring point 22 sends a signal to the self-control system, the self-control system starts the second ball valve 33 and closes the water pump 42, the liquid inlet pipeline 3 is connected with the degassing tank 2, so that the fluid in the system pipeline 7 enters the degassing tank 2 for degassing treatment, and the degassed fluid is disconnected from the system pipeline 7.

[0049] When the fluid in the degassing tank 2 is at the third liquid level measuring point 23, the automatic control system closes the second ball valve 33 and the water pump 42, the liquid inlet pipeline 3 is disconnected from the degassing tank 2, the fluid in the system pipeline 7 is disconnected from the degassing treatment of the degassing tank 2, the degassed fluid is discharged into the system pipeline 7, and an abnormality is determined and an alarm is processed.

[0050] The vacuum degassing device further comprises a water hammer spray assembly 1 located in the degassing tank 2, a connecting pipe 15 of the water hammer spray assembly 1 penetrating through the degassing tank 2 and extending out of the degassing tank 2, and an end of the connecting pipe 15 of the vacuum degassing device extending out of the degassing tank 2 being connected with the liquid inlet pipeline 3 so that the fluid enters the water hammer spray assembly 1 through the liquid inlet pipeline 3 and is then sprayed into the degassing tank 2.

[0051] The water hammer spray assembly 1 comprises a first cavity 16 and a second cavity 17, the first cavity 16 is provided with an inlet, the inlet is connected with the connecting pipe 15, the connecting pipe 15 is connected with the liquid inlet pipeline 3 to supply the fluid into the first cavity 16, the first cavity 16 is connected with the second cavity 17, and the first cavity 16 and the second cavity 17 are separated by the rhombus net 11 so that the fluid in the first cavity 16 impacts on the rhombus net 11 and is converted into a plurality of small water columns into the second cavity 17, and the second cavity 17 is separated from the outside through the spray hole net 12 so that the small water columns in the second cavity 17 pass through the spray hole net 12 and are sprayed into the degassing tank 2, and the bubbles contained in the fluid are more completely separated out, and the equipment has a higher degassing efficiency.

[0052] Specifically, the water hammer spray assembly 1 further comprises a bottom plate 13, the bottom plate 13 is fixedly connected with the rhombus net 11 connected at the head and tail, the first cavity 16 is formed by the bottom plate 13 and the rhombus net 11 connected at the head and tail, the bottom plate 13 is fixedly connected with the spray hole net 12 connected at the head and tail, the spray hole net 12 connected at the head and tail is sleeved outside the rhombus net 11 connected at the head and tail, and the second cavity 17 is formed by the bottom plate 13, the spray hole net 12 connected at the head and tail and the rhombus net 11 connected at the head and tail.

[0053] Preferably, the rhombus net 11 and the spray hole net 12 are connected at the head and tail, so that the degassing efficiency of the fluid is accelerated, and in other embodiments of the utility model, an intermediate plate can be arranged on the bottom plate 13, and the head and tail ends of the rhombus net 11 and the spray hole net 12 are respectively connected to the two ends of the intermediate plate.

[0054] The water hammer spray assembly 1 further comprises a top plate 14, the top plate 14 is fixedly connected with the spray hole net 12 connected at the head and tail and the rhombus net 11 connected at the head and tail, and the inlet is arranged on the top plate 14.

[0055] The vacuum degassing device integrates multiple components, and quick connectors are connected on the liquid inlet pipeline 3 and the liquid outlet pipeline 4, so that the quick connectors are quickly communicated with the system pipeline 7 on site, and various components need not be assembled on site.

[0056] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not be exhausted. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A water hammer spray assembly characterized by, The water impact spray assembly comprises a first cavity and a second cavity, an inlet is arranged on the first cavity to allow fluid to enter the first cavity, the first cavity is communicated with the second cavity, and the first cavity and the second cavity are separated by a rhombus net, so that the fluid in the first cavity impacts on the rhombus net, and the fluid is converted into a plurality of water columns to enter the second cavity, the second cavity is separated from the outside by a spray hole net, and the water columns in the second cavity are sprayed to the outside through the spray hole net.

2. The water hammer jet assembly of claim 1, wherein, The water impact spray assembly further comprises a bottom plate, the bottom plate is fixedly connected with the rhombus net connected at the head and tail, and the first cavity is formed by the bottom plate and the rhombus net connected at the head and tail.

3. The water hammer jet assembly of claim 2, wherein, The bottom plate is fixedly connected with the spray hole net connected at the head and tail, the spray hole net connected at the head and tail is sleeved outside the rhombus net connected at the head and tail, and the second cavity is formed by the bottom plate, the spray hole net connected at the head and tail and the rhombus net connected at the head and tail.

4. The water hammer jet assembly of claim 3, wherein, The water impact spray assembly further comprises a top plate, the top plate is fixedly connected with the spray hole net connected at the head and tail and the rhombus net connected at the head and tail, and the inlet is arranged on the top plate.

5. The water hammer jet assembly of claim 1, wherein, The inlet is connected with a connecting pipe, and the connecting pipe is communicated with the first cavity.

6. A vacuum degassing apparatus characterized by comprising: The water impact spray assembly further comprises a degassing tank and a liquid inlet pipeline, the water impact spray assembly is located in the degassing tank, the connecting pipe penetrates through the degassing tank and extends out of the degassing tank, one end of the connecting pipe extending out of the degassing tank is communicated with the liquid inlet pipeline, so that the fluid enters the water impact spray assembly through the liquid inlet pipeline and is then sprayed into the degassing tank.

7. The vacuum degassing apparatus according to claim 6, characterized in that A second ball valve is connected to the liquid inlet pipeline, and whether the liquid inlet pipeline is communicated with the degassing tank is controlled by opening and closing the second ball valve.

8. The vacuum degassing apparatus according to claim 6, characterized in that The water impact spray assembly further comprises a liquid outlet pipeline, one end of the liquid outlet pipeline is communicated with the degassing tank, the other end of the liquid outlet pipeline away from the degassing tank is communicated with a system pipeline, and the other end of the liquid inlet pipeline away from the degassing tank is communicated with the system pipeline, so that the fluid in the system pipeline is circulated and degassed.

9. The vacuum degassing apparatus according to claim 8, characterized in that A water pump is connected to the liquid outlet pipeline, and whether the fluid degassed is discharged into the system pipeline is controlled by opening and closing the water pump.

10. The vacuum degassing apparatus according to claim 7 or 9, characterized in that The first liquid level measuring point, the second liquid level measuring point and the third liquid level measuring point are sequentially arranged from top to bottom in the degassing tank, the first liquid level measuring point, the second liquid level measuring point and the third liquid level measuring point are electrically connected with an automatic control system, and the automatic control system is electrically connected with the second ball valve and the water pump. When the fluid in the degassing tank is at the first liquid level measuring point, the automatic control system closes the second ball valve and starts the water pump, the liquid inlet pipeline is disconnected with the degassing tank, and the fluid degassed is discharged into the system pipeline. When the fluid in the degassing tank is at the second liquid level measuring point, the automatic control system starts the second ball valve and closes the water pump, the liquid inlet pipeline is communicated with the degassing tank, the fluid in the system pipeline enters the degassing tank for degassing treatment, and the fluid degassed is disconnected from being discharged into the system pipeline. When the fluid in the degassing tank is at the third liquid level measuring point, the automatic control system closes the second ball valve and the water pump, the liquid inlet pipeline is disconnected with the degassing tank, the fluid degassed is disconnected from being discharged into the system pipeline, and an abnormality is determined and an alarm is processed.

Images