CN115076499A - Box-type hammer-eliminating bidirectional pressure regulating tower - Google Patents
Box-type hammer-eliminating bidirectional pressure regulating tower Download PDFInfo
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- CN115076499A CN115076499A CN202210708437.5A CN202210708437A CN115076499A CN 115076499 A CN115076499 A CN 115076499A CN 202210708437 A CN202210708437 A CN 202210708437A CN 115076499 A CN115076499 A CN 115076499A
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 76
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009964 serging Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
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Abstract
The invention relates to a box type hammer-eliminating bidirectional pressure regulating tower which comprises an upper box body, a lower box body and a flow guide piston, wherein an inflation valve and a depth-fixing overflow pipe are arranged outside the upper box body, a pressure gauge and an emptying pipe are arranged outside the lower box body, the upper box body is connected with the lower box body through a flange, a sealing ring and a control diaphragm are arranged at the joint of the upper box body and the lower box body, a diaphragm pressing plate and a control diaphragm are arranged at the top of the flow guide piston, a spring baffle plate, a spring, a piston rod, a one-way sealing plate, a fixed tower ring and a sealing ring are arranged at the bottom of the flow guide piston, the spring baffle plate, the spring, the piston rod and the one-way sealing plate are connected into an integrated structure, and the fixed tower ring and the sealing ring are sleeved inside the flow guide piston. The invention effectively slows down the water hammer effect of the steel wire mesh framework polyethylene composite pipe, protects the pipeline, observes the water pressure in the tower in real time, has high drainage efficiency and good flexibility, and has great popularization value.
Description
Technical Field
The invention belongs to the field of pipeline water hammer protection, and particularly relates to a box-type hammer-eliminating bidirectional pressure regulating tower.
Background
The water hammer effect means that the inner wall of a pipe is smooth and water flows freely in the water pipe, but when the opened valve is closed suddenly, the water flow generates pressure on the valve and the pipe wall, and the subsequent water flow quickly reaches the maximum under the action of inertia due to the smooth pipe wall and generates a destructive effect. Especially, the water hammer effect is considered in the construction of water pipelines with large height difference, long distance and large conveying capacity, and the water hammer protection measures are made in time.
The bidirectional pressure regulating tower plays an important role in water hammer protection, is widely applied to water conservancy and hydropower engineering and urban water supply systems, is known as one of the most reliable methods in all water hammer protection measures, makes a great contribution to the safety of a pressure conveying pipeline, but the current bidirectional pressure regulating tower has the following problems in the process of engineering application: the existing bidirectional pressure regulating tower has higher requirement on the erection height, the height of the existing bidirectional pressure regulating tower must be higher than or equal to the highest water pressure line of a pipeline at the arrangement position of the existing bidirectional pressure regulating tower, so that the construction cost is higher, the water pressure change in the pressure regulating tower cannot be observed during the operation of the pressure regulating tower, the flexibility is poorer, the operation burden is increased, and the coordination with the surrounding construction environment is difficult.
Therefore, a box-type hammer-eliminating bidirectional pressure regulating tower which can solve the problems of high construction cost of the traditional bidirectional pressure regulating tower and poor flexibility of the pressure regulating tower and a construction method thereof are urgently needed, and the requirement of the development of modern hydraulic engineering is met.
Disclosure of Invention
In order to solve the problems, the invention provides a box-type hammer-eliminating bidirectional pressure regulating tower, which can effectively reduce the installation height of the pressure regulating tower and enhance the flexibility of regulating the water pressure of a pipeline. In order to achieve the technical purpose, the technical effect is achieved.
The invention is realized by the following technical scheme:
the utility model provides a two-way surge tower of box formula eliminating hammer, a serial communication port, including last box, lower box and water conservancy diversion piston, go up the box outside and be equipped with inflation valve and depthkeeping overflow pipe, the box outside is equipped with manometer and blow-down pipe down, go up the box and pass through flange joint with lower box, it is equipped with sealing ring and control diaphragm to go up box and lower box junction, and water conservancy diversion piston top is equipped with diaphragm clamp plate and control diaphragm, water conservancy diversion piston bottom is equipped with spring baffle, spring, piston rod, one-way closing plate, stationary mast ring and sealing washer, spring baffle, spring, piston rod and one-way closing plate link to each other as an integrated structure, stationary mast ring and sealing washer cover are established inside the water conservancy diversion piston.
Preferably, the inflation valve is arranged right above the upper box body, is made of stainless steel and has a diameter of 80 mm.
Preferably, the depth-fixing overflow pipes are symmetrically arranged on two sides of the upper box body, and the nominal diameter of each depth-fixing overflow pipe is 300 mm.
Preferably, the pressure gauge is made of stainless steel, and the display range of the pressure gauge is 0-1 MPa.
Preferably, the emptying pipe is arranged at two positions at the bottom of the lower box body, and the nominal diameter of the emptying pipe is 60 mm.
Preferably, the area of the upper part of the guide piston is larger than that of the lower part of the guide piston, and the area is adjusted according to a formula (note: pressure borne by the guide piston, pressure borne by a pipeline, water pressure of an upper tank body, density of water of 1 x 103kg/m3, gravity acceleration of 9.8N/kg, and height from a pressure point to a liquid level).
Preferably, the bottom of the diversion piston is provided with a one-way sealing plate, when the flow is less than or equal to 0, the one-way sealing plate moves downwards along the diversion piston to inject water in the upper box body into the pipeline, so that the water column is prevented from being discontinuous, otherwise, when the flow is more than 0, the one-way sealing plate moves upwards.
Preferably, a spring is wound on the outer surface of the piston rod, and the spring is made of stainless steel.
A construction method of a box-type hammer-eliminating bidirectional pressure regulating tower comprises the following technical steps:
the method comprises the following steps: determining the installation position of the box type hammer-eliminating bidirectional pressure regulating tower, wherein before the box type hammer-eliminating bidirectional pressure regulating tower is installed, the position for installing the box type hammer-eliminating bidirectional pressure regulating tower needs to be determined according to the distribution condition of a pipeline, but the connection distance between the box type hammer-eliminating bidirectional pressure regulating tower and the pipeline needs to be controlled within the range of 0.3 m;
step two: cleaning the working surface, removing broken stones and miscellaneous soil on the working surface, and leveling the working surface;
step three: before the box-type hammer-eliminating bidirectional pressure regulating tower is installed, appearance inspection is firstly carried out to ensure that the outer surface of the box-type hammer-eliminating bidirectional pressure regulating tower has no defects of overlocking, foaming, spinning, color bleeding, wrinkle, crack of fine lines, peeling and the like;
step four: mounting box type hammer-eliminating bidirectional pressure regulating tower
A. Firstly, fixing a lower box body, and reinforcing the bottom of the lower box body by using a flange disc and a working surface;
B. the spliced guide piston is arranged in a lower box body, and the lower box body is connected with a pipeline through a flange plate;
C. placing a control diaphragm and a sealing ring on the connecting surface of the lower box body and the upper box body, wherein the control diaphragm is fixed on the flow guide piston through a diaphragm pressing plate;
D. aligning the upper box body and the lower box body, and screwing a reinforcing bolt at the joint to finish installation;
step five: checking box type hammer-eliminating bidirectional pressure regulating tower device air tightness
A. Firstly, closing the diversion piston and the two emptying pipes and opening the inflation valve;
B. introducing construction water into the box type hammer-eliminating bidirectional pressure regulating tower through a pipeline;
C. after a certain amount of water is accumulated on the top of the piston in the tower, closing the inflation valve;
D. observing the reading change of the pressure gauge and the existence of water leakage in the tower;
E. after observation for 30min, the change of the reading of the pressure gauge is not more than 0.05MPa, and no water leakage phenomenon exists in the tower, thus indicating that the box type hammer-eliminating bidirectional pressure regulating tower has good air tightness;
step six: operation detection of box-type hammer-eliminating bidirectional pressure regulating tower device
A. Closing a valve connected with the pipeline, generating a water hammer in the pipeline, and observing the motion state of the diversion piston and the reading of a pressure gauge;
B. the diversion piston moves upwards, the water volume in the tower is increased, if the accumulated water overflows the fixed-depth overflow pipe, the accumulated water can be discharged through the fixed-depth overflow pipe, the reading of the pressure gauge is increased firstly and then reduced, the box type hammer-eliminating bidirectional pressure regulating tower can normally operate, and the trial operation is completed.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. effectively slow down the water hammer effect, ensure the normal operating of pipeline water supply.
2. The water pressure in the tower is observed in real time, the water pressure change in the tower can be visually seen through the water pressure gauge, and the working state of the box type hammer-eliminating bidirectional pressure regulating tower is further judged.
3. Through setting up the water conservancy diversion piston, effectively promote the interior pressure regulating flexibility of tower, make box formula two-way pressure regulating tower height that disappears reduce by a wide margin, save engineering cost.
4. Stable in structure, most connect the face and pass through flange joint, and all done sealed processing, the operation of the two-way pressure regulating tower of box formula of low height eliminating hammer is more stable.
5. The water injection speed is high, water can be injected from the valve port of the inflation valve except for being injected from the bottom through a pipeline, water can be injected from the upper part and the lower part simultaneously, and synchronous water injection of the box type hammer-eliminating bidirectional pressure regulating tower is realized.
6. The drainage effect is good, and two depthkeeping overflow pipes have guaranteed the effective height of the interior water level of box formula two-way pressure regulating tower that disappears, if box formula two-way pressure regulating tower that disappears need empty ponding when, can carry out the drainage through both sides blow-down pipe.
7. The pressure regulating effect is good, and the guide piston can move in the lower box body according to the pressure of the box type hammer-eliminating bidirectional pressure regulating tower and the pipeline.
8. The construction method comprises the steps of installation preparation work, a specific installation method, air tightness inspection and trial operation inspection of the box type hammer-eliminating bidirectional pressure regulating tower, and ensures the normal operation of the box type hammer-eliminating bidirectional pressure regulating tower.
Drawings
FIG. 1 is a schematic representation of the use of the present invention;
FIG. 2 is a schematic view of a deflector piston of the present invention;
FIG. 3 is a schematic view of a pressure gauge of the present invention;
FIG. 4 is a schematic view of a flare of the present invention.
Reference numerals
1 inflation valve, 2 go up the box, 3 depthkeeping overflow pipes, 4 manometer, 5 blow-down pipes, 6 sealing rings, 7 lower boxes, 8 fixed tower rings, 9 sealing rings, 10 diaphragm clamp plates, 11 control diaphragms, 12 water conservancy diversion pistons, 13 spring baffle, 14 springs, 15 piston rods, 16 one-way closing plate.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "diameter", "upper", "lower", "high", "low", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.
The present invention is described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby clearly defining the protection scope of the present invention.
As shown in fig. 1, 2, 3, 4, a box type hammer-eliminating bidirectional pressure regulating tower is characterized by comprising an upper box body 2, a lower box body 7 and a flow guide piston 12, wherein an inflation valve 1 and a depth-setting overflow pipe 3 are arranged outside the upper box body 2, a pressure gauge 4 and an emptying pipe 5 are arranged outside the lower box body 7, the upper box body 2 and the lower box body 7 are connected through a flange, a sealing ring 6 and a control diaphragm 11 are arranged at the joint of the upper box body 2 and the lower box body 7, a diaphragm pressing plate 10 and a control diaphragm 11 are arranged at the top of the flow guide piston 12, a spring baffle plate 13, a spring 14, a piston rod 15, a one-way sealing plate 16, a fixed tower ring 8 and a sealing ring 9 are arranged at the bottom of the flow guide piston 12, the spring baffle plate 13, the spring 14, the piston rod 15 and the one-way sealing plate 16 are connected into an integrated structure, and the fixed tower ring 8 and the sealing ring 9 are sleeved inside the flow guide piston 12.
As shown in figure 1, the inflation valve 1 is arranged right above the upper box body 2, and the inflation valve 1 is made of stainless steel and has a diameter of 80 mm.
As shown in figure 1, the depth-fixing overflow pipes 3 are symmetrically arranged on two sides of the upper box body 2, and the nominal diameter of the depth-fixing overflow pipes is 300 mm.
As shown in fig. 1 and 3, the pressure gauge 4 is made of stainless steel, and the display range is 0-1 MPa.
As shown in FIGS. 1 and 4, the emptying pipe 5 is arranged at two positions at the bottom of the lower box body 7, and the nominal diameter of the emptying pipe is 60 mm.
As shown in FIGS. 1 and 2, the area of the upper part of the guide piston 12 is larger than the area of the lower part of the guide piston 12, and the position is adjusted according to the formula (note: the pressure applied to the guide piston 12, the pressure applied to the pipeline, the water pressure of the upper tank 2, the density of water is 1 × 103kg/m3, the gravity acceleration is 9.8N/kg, and the pressure point is the height from the pressure point to the liquid level).
As shown in fig. 1 and 2, a one-way sealing plate 16 is arranged at the bottom of the diversion piston 12, when the flow rate is less than or equal to 0, the one-way sealing plate 16 moves downwards along the diversion piston 12 to inject water in the upper box body 2 into the pipeline, so as to prevent the water column from being discontinuous, otherwise, when the flow rate is greater than 0, the one-way sealing plate 16 moves upwards.
As shown in fig. 1 and 2, a spring 14 is wound on the outer surface of the piston rod 15, and the spring 14 is made of stainless steel.
Referring to fig. 1, 2, 3 and 4, a construction method of a box-type hammer-eliminating bidirectional pressure regulating tower comprises the following technical steps:
the method comprises the following steps: determining the installation position of the box type hammer-eliminating bidirectional pressure regulating tower, wherein before the box type hammer-eliminating bidirectional pressure regulating tower is installed, the position for installing the box type hammer-eliminating bidirectional pressure regulating tower needs to be determined according to the distribution condition of a pipeline, but the connection distance between the box type hammer-eliminating bidirectional pressure regulating tower and the pipeline needs to be controlled within the range of 0.3 m;
step two: cleaning the working surface, removing broken stones and miscellaneous soil on the working surface, and leveling the working surface;
step three: before the box-type hammer-eliminating bidirectional pressure regulating tower is installed, appearance inspection is firstly carried out to ensure that the outer surface of the box-type hammer-eliminating bidirectional pressure regulating tower has no defects of overlocking, foaming, spinning, color bleeding, wrinkle, crack of fine lines, peeling and the like;
step four: mounting box type hammer-eliminating bidirectional pressure regulating tower
A. Firstly, fixing a lower box body 7, and reinforcing the bottom of the lower box body 7 by using a flange disc and a working surface;
B. the spliced guide piston 12 is arranged in a lower box body 7, and the lower box body 7 is connected with a pipeline through a flange plate;
C. a control diaphragm 11 and a sealing ring 6 are placed on the connecting surface of the lower box body 7 and the upper box body 2, and the control diaphragm 11 is fixed on a diversion piston 12 through a diaphragm pressing plate 10;
D. the upper box body 2 and the lower box body 7 are aligned in a correcting mode, and reinforcing bolts at the connecting positions are screwed down to finish installation;
step five: checking box type hammer-eliminating bidirectional pressure regulating tower device air tightness
A. Firstly, closing the diversion piston 12 and the two emptying pipes 5, and opening the inflation valve 1;
B. introducing construction water into the box type hammer-eliminating bidirectional pressure regulating tower through a pipeline;
C. after a certain amount of water is accumulated on the top of the piston in the tower, closing the inflation valve 1;
D. observing the reading change of the pressure gauge 4 and the existence of water leakage in the tower;
E. after observation for 30min, the change of the reading of the pressure gauge 4 is not more than 0.05MPa, and no water leakage phenomenon exists in the tower, thus indicating that the box type hammer-eliminating bidirectional pressure regulating tower has good air tightness;
step six: operation detection of box-type hammer-eliminating bidirectional pressure regulating tower device
A. Closing a valve connected with the pipeline, generating a water hammer in the pipeline, and observing the motion state of the diversion piston 12 and the reading of the pressure gauge 4;
B. the guide piston 12 moves upwards, the water volume in the tower is increased, if accumulated water overflows the fixed-depth overflow pipe 3, the accumulated water can be discharged through the fixed-depth overflow pipe 3, the reading of the pressure gauge 4 is increased firstly and then reduced, the box-type hammer-eliminating bidirectional pressure regulating tower can normally operate, and the trial operation is completed.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (9)
1. The box type hammer-eliminating bidirectional pressure regulating tower is characterized by comprising an upper box body (2), a lower box body (7) and a flow guide piston (12), wherein an inflation valve (1) and a depth-setting overflow pipe (3) are arranged outside the upper box body (2), a pressure gauge (4) and an emptying pipe (5) are arranged outside the lower box body (7), the upper box body (2) is connected with the lower box body (7) through a flange, a sealing ring (6) and a control diaphragm (11) are arranged at the joint of the upper box body (2) and the lower box body (7), a diaphragm pressing plate (10) and the control diaphragm (11) are arranged at the top of the flow guide piston (12), a spring baffle plate (13), a spring (14), a piston rod (15), a one-way sealing plate (16), a fixed tower ring (8) and a sealing ring (9) are arranged at the bottom of the flow guide piston (12), the spring baffle plate (13), the spring (14), the piston rod (15) and the one-way sealing plate (16) are connected into an integrated structure, the fixed tower ring (8) and the sealing ring (9) are sleeved inside the flow guide piston (12).
2. The box-type hammer-eliminating bidirectional pressure regulating tower as claimed in claim 1, wherein the inflation valve (1) is arranged right above the upper box body (2), and the inflation valve (1) is made of stainless steel and has a diameter of 80 mm.
3. The box-type hammer-eliminating bidirectional pressure regulating tower as claimed in claim 1, wherein the depth-setting overflow pipes (3) are symmetrically arranged on two sides of the upper box body (2), and the nominal diameter of the depth-setting overflow pipes is 300 mm.
4. The box-type hammer-eliminating bidirectional pressure regulating tower as claimed in claim 1, wherein the pressure gauge (4) is made of stainless steel and has a display range of 0-1 MPa.
5. A box-type hammer-eliminating bidirectional pressure regulating tower as claimed in claim 1, wherein the blow-down pipe (5) is provided at two positions at the bottom of the lower box body (7) in total, and the nominal diameter of the blow-down pipe is 60 mm.
6. The box-type hammer-eliminating bidirectional pressure regulating tower as claimed in claim 1, wherein the area of the upper part of the guide piston (12) is larger than the area of the lower part of the guide piston (12), and the position of the guide piston is adjusted according to a formula (note: the pressure applied to the guide piston (12), the pressure applied to the pipeline, the water pressure of the upper box body (2), the density of water is 1 x 103kg/m3, the gravity acceleration is 9.8N/kg, and the pressure point is the height from the pressure taking point to the liquid level).
7. The box-type hammer-eliminating bidirectional pressure regulating tower as claimed in claim 1, wherein the guide piston (12) is provided with a one-way sealing plate (16), when the flow rate is less than or equal to 0, the one-way sealing plate (16) moves downwards along the guide piston (12) to inject water in the upper box body (2) into the pipeline, so as to prevent the water column from being discontinuous, otherwise, when the flow rate is greater than 0, the one-way sealing plate (16) moves upwards.
8. The box-type hammer-eliminating bidirectional pressure regulating tower as claimed in claim 1, wherein a spring (14) is wound on the outer surface of the piston rod (15), and the spring (14) is made of stainless steel.
9. A construction method of a box-type hammer-eliminating bidirectional pressure regulating tower by using the method as claimed in claims 1 to 8, which is characterized by comprising the following technical steps:
the method comprises the following steps: determining the installation position of the box type hammer-eliminating bidirectional pressure regulating tower, wherein before the box type hammer-eliminating bidirectional pressure regulating tower is installed, the position for installing the box type hammer-eliminating bidirectional pressure regulating tower needs to be determined according to the distribution condition of a pipeline, but the connection distance between the box type hammer-eliminating bidirectional pressure regulating tower and the pipeline needs to be controlled within the range of 0.3 m;
step two: cleaning the working surface, removing broken stones and miscellaneous soil on the working surface, and leveling the working surface;
step three: before the box-type hammer-eliminating bidirectional pressure regulating tower is installed, appearance inspection is firstly carried out to ensure that the outer surface of the box-type hammer-eliminating bidirectional pressure regulating tower has no defects of overlocking, foaming, spinning, color bleeding, wrinkle, crack of fine lines, peeling and the like;
step four: mounting box type hammer-eliminating bidirectional pressure regulating tower
A. Firstly, fixing a lower box body (7), and reinforcing the bottom of the lower box body (7) by using a flange disc and a working surface;
B. the spliced guide piston (12) is arranged in a lower box body (7), and the lower box body (7) is connected with a pipeline through a flange plate;
C. a control diaphragm (11) and a sealing ring (6) are placed on the connecting surface of a lower box body (7) and an upper box body (2), and the control diaphragm (11) is fixed on a flow guide piston (12) through a diaphragm pressing plate (10);
D. the upper box body (2) and the lower box body (7) are aligned in a correcting way, and the reinforcing bolt at the joint is screwed down to finish the installation;
step five: checking box type hammer-eliminating bidirectional pressure regulating tower device air tightness
A. Firstly, closing the diversion piston (12) and the two emptying pipes (5), and opening the inflation valve (1);
B. introducing construction water into the box type hammer-eliminating bidirectional pressure regulating tower through a pipeline;
C. after a certain amount of water is accumulated on the top of the piston in the tower, the inflation valve (1) is closed;
D. observing the reading change of the pressure gauge (4) and the existence of water leakage in the tower;
E. after observation for 30min, the change of the reading of the pressure gauge (4) is not more than 0.05MPa, and no water leakage phenomenon exists in the tower, thus indicating that the box type hammer-eliminating bidirectional pressure regulating tower has good air tightness;
step six: operation detection of box-type hammer-eliminating bidirectional pressure regulating tower device
A. Closing a valve connected with the pipeline, generating a water hammer in the pipeline, and observing the motion state of the diversion piston (12) and the reading of the pressure gauge (4);
B. the diversion piston (12) moves upwards, the water volume in the tower is increased, if accumulated water overflows the depth-fixing overflow pipe (3), the accumulated water can be discharged through the depth-fixing overflow pipe (3), the reading of the pressure gauge (4) is increased firstly and then reduced, the box-type hammer-eliminating bidirectional pressure regulating tower can normally operate, and the trial operation is completed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210708437.5A CN115076499A (en) | 2022-06-22 | 2022-06-22 | Box-type hammer-eliminating bidirectional pressure regulating tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210708437.5A CN115076499A (en) | 2022-06-22 | 2022-06-22 | Box-type hammer-eliminating bidirectional pressure regulating tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412310A (en) * | 2023-04-11 | 2023-07-11 | 河海大学 | Lifting type pressure regulating tower water hammer protection structure and pressure regulating method |
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| CN214467005U (en) * | 2021-03-19 | 2021-10-22 | 争一阀门科技有限公司 | Self-protection water hammer eliminator |
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2022
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| CN101008457A (en) * | 2006-10-26 | 2007-08-01 | 长安大学 | Box type bidirectional surge tower |
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| CN204284775U (en) * | 2014-11-19 | 2015-04-22 | 日照市恒通水处理设备有限公司 | Diaphragm type pulse buffer |
| CN212053002U (en) * | 2019-12-30 | 2020-12-01 | 榆林学院 | Water hammer protection device with rotary mechanism |
| CN214028611U (en) * | 2020-12-21 | 2021-08-24 | 青岛四方庞巴迪铁路运输设备有限公司 | Pressure protection energy storage device for pressure water supply system |
| CN214467005U (en) * | 2021-03-19 | 2021-10-22 | 争一阀门科技有限公司 | Self-protection water hammer eliminator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412310A (en) * | 2023-04-11 | 2023-07-11 | 河海大学 | Lifting type pressure regulating tower water hammer protection structure and pressure regulating method |
| CN116412310B (en) * | 2023-04-11 | 2023-09-12 | 河海大学 | Lifting type pressure regulating tower water hammer protection structure and pressure regulating method |
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