CN217431021U - Security filter with function of preventing water hammer - Google Patents
Security filter with function of preventing water hammer Download PDFInfo
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- CN217431021U CN217431021U CN202221283423.5U CN202221283423U CN217431021U CN 217431021 U CN217431021 U CN 217431021U CN 202221283423 U CN202221283423 U CN 202221283423U CN 217431021 U CN217431021 U CN 217431021U
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- baffle
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Abstract
The utility model discloses a security filter with a function of preventing a water hammer, which comprises a barrel, wherein a first baffle, a second baffle and a third baffle are arranged in the barrel, one side of the first baffle is a water inlet end cavity, and the inner space of the water inlet end cavity is an energy absorption area with a pressure stabilizing function; one side of the second baffle is a security filtering area, a third baffle is horizontally arranged between the first baffle and the second baffle, a plurality of flow guide holes are formed in the upper portions of the first baffle and the second baffle which are positioned on the upper portion of the third baffle, and the bottom surface of the third baffle, the first baffle and the second baffle form a space for a water production area. The utility model reduces the floor area of the equipment by applying the energy absorption area with the gas pressure stabilizing function to the cavity of the security filter, which is beneficial to the integrated installation of the membrane device; in the operation process, the cartridge filter does not need to be operated, is free from maintenance, and greatly reduces the workload of operators; the cartridge filter weakens the operation pressure fluctuation of the membrane device, and is beneficial to protecting the membrane element and the filter element.
Description
Technical Field
The utility model belongs to the water treatment field, concretely relates to take security personnel filter of waterproof hammer function.
Background
In various demineralized water treatment systems, the full-membrane method is common in engineering application due to acid-base-free regeneration, and the cartridge filter is used as an indispensable device in the full-membrane method water treatment system, plays an important role in protecting a membrane device and a membrane element and is widely applied. In a water treatment system adopting a full membrane method, the impact on a membrane device and a membrane element is caused by the pressure fluctuation caused by frequent start and stop of equipment, and the service life of the equipment is shortened. The severe water hammer effect can also lead to direct rupture of the membrane element, and the water hammer effect can also lead to breakage or damage of the filter element inside the cartridge filter, so that the water hammer prevention effect is an important content in the water treatment of the full-membrane method.
The water supply pump is set to be controlled in a variable frequency mode, which is one of the commonly used methods for preventing water hammer action at present, but the starting requirement of the motor is more than 20HZ, so that even if the variable frequency starting is carried out on a water pump with large flow lift, certain impact of water flow on membrane equipment can be caused, and the method is particularly common in a large-scale seawater desalination system; in another method, the pressure and the flow are regulated by a regulating gate on the water inlet pipeline, but the precision of the regulating gate is insufficient, and the frequent regulation has adverse effect on the safe operation of the membrane device. Although the method can weaken the water hammer to a certain extent, the weakening extent is limited, misoperation is easy to occur, once the water hammer formed by large pressure fluctuation can cause irreversible damage to the membrane element and the cartridge filter element, and great economic loss is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take safety filter ware of waterproof hammer function for slow down the pressure oscillation when membrane device opens and stops, prevent the emergence of water hammer effect, make membrane processing system move steadily safely.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a security filter with a water hammer prevention function comprises a barrel, wherein a first baffle, a second baffle and a third baffle are arranged in the barrel, a water inlet end cavity is arranged on one side of the first baffle, and the inner space of the water inlet end cavity is an energy absorption area with a pressure stabilizing function; one side of the second baffle is a security filtering area, a third baffle is horizontally arranged between the first baffle and the second baffle, a plurality of flow guide holes are formed in the upper parts of the first baffle and the second baffle which are positioned on the upper part of the third baffle, and the bottom surface of the third baffle, the first baffle and the second baffle form a space for a water production area.
The utility model discloses further improvement lies in, and the barrel bottom is provided with produces the mouth of a river, produces the mouth of a river and produces the water district and be linked together.
The utility model discloses a further improvement lies in, and the water inlet has been seted up at the end cavity top of intaking.
The utility model discloses a further improvement lies in, is provided with the gasbag in the energy-absorbing district.
The utility model discloses further improvement lies in, and the gasbag occupies 60% of energy-absorbing district volume before the compression volume.
The utility model discloses a further improvement lies in, and the gasbag intussuseption is filled with nitrogen gas.
The utility model discloses a further improvement lies in, and security personnel filtering area internal fixation has a plurality of filter cores.
The utility model discloses a further improvement lies in, is provided with the support on the second baffle, and the filter core setting is on the support.
The utility model discloses further improvement lies in, and the volume ratio of energy-absorbing district and security personnel filtering area is 1: 2.
compared with the prior art, the utility model discloses the beneficial effect who has:
the utility model reduces the floor area of the equipment by applying the energy absorption area with the pressure stabilizing function to the cavity of the security filter, thereby being beneficial to the integrated installation of the membrane processing device; in the operation process, the cartridge filter does not need to be operated, is free from maintenance, and greatly reduces the workload of operators; the cartridge filter weakens the operation pressure fluctuation of the membrane method water treatment equipment, is beneficial to protecting the membrane element, prolongs the service life of the membrane element and the cartridge filter element of the cartridge filter, and leads the membrane method water treatment equipment to be more stable and reliable.
Further, the utility model discloses utilize the pressure of gaseous steady voltage principle balance water inlet and product mouth of a river, when the external instantaneous high pressure water of water inlet gets into safety filter, the high pressure water at first gets into the energy-absorbing district, and the gas of sealing in the gasbag is compressed, according to the gaseous law of boyle, and gaseous volume diminishes pressure after receiving the compression and risees, and gas pressure reaches the balance with the pressure of water in the safety filter. When the pressure is reduced or instantaneous negative pressure is formed after water in the water producing port is lost, the gas pressure of the cartridge filter is larger than the pressure of water, the gas in the air bag expands at the moment, water in the energy absorption area is extruded out until the gas pressure and the pressure of the water are balanced again, and the return of the water hammer is prevented. The gas pressure stabilizing principle is applied to the inner cavity of the cartridge filter, a series of problems caused by the water hammer effect formed by frequent start and stop of equipment in the operation process of the membrane system are solved, and the operation safety of the membrane system is effectively protected.
Drawings
Fig. 1 is a schematic structural diagram of a cartridge filter according to an embodiment of the present invention.
In the figure: 1 is the water inlet, 2 is the end of intaking, 3 is the gasbag, 4 is the water conservancy diversion hole, 5 is the security filter district, 6 is the security filter core, 7 is the district of producing water, 8 is the mouth of producing water, 9 is the energy-absorbing district, 10 is first baffle, 11 is the second baffle, 12 is the third baffle, 13 is the barrel, 14 is the top cap.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
As shown in fig. 1, the utility model provides a pair of take security filter of water hammer function, including barrel 13, barrel 13 includes straight section of thick bamboo and sets up the top cap 14 at straight section of thick bamboo 13 both ends, and top cap 14 is articulated with straight section of thick bamboo 13 both ends. A first baffle 10, a second baffle 11 and a third baffle 12 are arranged in the straight cylinder section 13. One side of the first baffle 10 is provided with a water inlet end cavity 2, an energy absorption area 9 is arranged in the water inlet end cavity 2, and one side of the first baffle 11 is provided with a security filter area 5. A third baffle plate 12 is horizontally arranged between the first baffle plate 10 and the second baffle plate 11, a plurality of flow guide holes 4 are formed in the first baffle plate 10 and the second baffle plate 11 which are positioned on the upper portion of the third baffle plate 12, and a space formed by the bottom surface of the third baffle plate 12 and the lower portions of the first baffle plate 10 and the second baffle plate 11 is a water producing area 7. The bottom of the cylinder body 13 is provided with a water producing port 8, the water producing port 8 is communicated with a water producing area 7, the water producing area 7 collects and discharges produced water, and the water producing port 8 is connected with a membrane treatment device through a pipeline.
The top of the water inlet end cavity 2 is provided with a water inlet 1.
The space in the water inlet end cavity 2 is an energy absorption area 9, and an air bag 3 is arranged in the energy absorption area 9. The material of the air bag 3 is EPDM pressure-resistant rubber, and the air bag 3 is filled with nitrogen.
A plurality of filter elements 6 are fixed in the security filter area 5, a support for fixing is arranged on the second baffle 11, and the filter elements 6 are arranged on the support.
The volume ratio of the energy absorption area 9 to the security filter area 5 is 1: 2, wherein the volume of the airbag 3 before compression is about 60% of the energy absorbing zone.
Specifically, when the external instant high-pressure water of the water inlet pipe connected with the water inlet 1 enters the security filter, the high-pressure water firstly enters the energy absorption area, the gas in the air bag 3 sealed in the energy absorption area is compressed, and the volume of the compressed gas is reduced and the pressure is increased according to the Boyle's law of gas until the pressure of the gas in the air bag 3 of the security filter is balanced with the pressure of the incoming water.
The utility model discloses a working process does: the water inlet 1 of the water inlet director enters the energy absorption area 9, then the air bag 3 can be compressed or expanded due to the pressure of water, the inlet water enters the security filter area 5 through the flow guide holes 4, and enters the water production area 7 after being filtered by the filter element 6 in the security filter area 5, and is discharged from the water production port 8. Through setting up gasbag 3, reduced the impact of rivers to filter core and membrane device, prolonged the life of filter core and membrane element, had certain economic benefits. The utility model discloses can slow down the pressure fluctuation by a wide margin when membrane processing apparatus moves, prevent the emergence of water hammer effect, make membrane device even running, the operation safety of membrane element and filter core is guaranteed to the at utmost.
When the pressure of the water body of the water outlet pipe connected with the water producing port 8 is reduced or instantaneous negative pressure is formed after the water body is lost, the gas pressure in the air bag 3 of the cartridge filter is larger than the water pressure, the gas volume expands at the moment, and the water in the energy absorption area 9 is extruded out of the tank body until the gas pressure and the water pressure are balanced again.
Specifically, the volume of the air bag 3 is related to the water flow pressure fluctuation range and the water flow, and generally, the larger the volume of the air bag 3 is, the better the pressure stabilizing effect is.
The water outlet 8 of the cartridge filter is connected with the membrane treatment device through a pipeline, so that the pressure stability of the inlet and the outlet of the membrane treatment device can be maintained, the water hammer effect is prevented from occurring, the membrane treatment device and the filter element are prevented from being damaged by the water hammer effect, and the stable operation of the membrane treatment system is protected to the maximum extent. The device combines the functions of traditional security filtration and water hammer prevention, has high integration degree, can be made into a horizontal type or a vertical type, occupies small area and is convenient for the whole skid-mounted equipment.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. However, all changes which come within the scope of the independent claims of the invention are to be embraced therein.
Claims (9)
1. The cartridge filter with the function of preventing the water hammer is characterized by comprising a cylinder body (13), wherein a first baffle (10), a second baffle (11) and a third baffle (12) are arranged in the cylinder body (13), a water inlet end cavity (2) is arranged on one side of the first baffle (10), and an energy absorption area (9) with a pressure stabilizing function is arranged in the inner space of the water inlet end cavity (2); second baffle (11) one side is security personnel filtering area (5), level sets up third baffle (12) between first baffle (10) and second baffle (11), and a plurality of water conservancy diversion holes (4) have been seted up on first baffle (10) and second baffle (11) upper portion that are located third baffle (12) upper portion, and third baffle (12) bottom surface and first baffle (10) and second baffle (11) formation space are for producing water district (7).
2. The cartridge filter with the function of preventing the water hammer as claimed in claim 1, wherein the bottom of the cylinder body (13) is provided with a water producing port (8), and the water producing port (8) is communicated with the water producing area (7).
3. The cartridge filter with the function of preventing the water hammer as claimed in claim 1, wherein the top of the water inlet end cavity (2) is provided with a water inlet (1).
4. The security filter with the function of preventing water hammer as claimed in claim 1, characterized in that an air bag (3) is arranged in the energy absorption area (9).
5. The cartridge filter with a function of preventing water hammer as claimed in claim 4, wherein the air bag (3) occupies 60% of the volume of the energy absorbing region (9) before the compression volume.
6. The cartridge filter with the function of preventing water hammer according to claim 4, characterized in that the air bag (3) is filled with nitrogen.
7. The cartridge filter with the function of preventing water hammer as claimed in claim 1, wherein a plurality of filter elements (6) are fixed in the cartridge filter area (5).
8. The cartridge filter with the function of preventing water hammer as claimed in claim 6, wherein the second baffle (11) is provided with a support, and the filter element (6) is arranged on the support.
9. The cartridge filter with the function of preventing water hammer as claimed in claim 1, wherein the volume ratio of the energy absorption area (9) to the cartridge filter area (5) is 1: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283423.5U CN217431021U (en) | 2022-05-26 | 2022-05-26 | Security filter with function of preventing water hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221283423.5U CN217431021U (en) | 2022-05-26 | 2022-05-26 | Security filter with function of preventing water hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217431021U true CN217431021U (en) | 2022-09-16 |
Family
ID=83221455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221283423.5U Active CN217431021U (en) | 2022-05-26 | 2022-05-26 | Security filter with function of preventing water hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217431021U (en) |
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2022
- 2022-05-26 CN CN202221283423.5U patent/CN217431021U/en active Active
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