CN211122837U - Water sample pretreatment device with reciprocating self-cleaning function - Google Patents
Water sample pretreatment device with reciprocating self-cleaning function Download PDFInfo
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- CN211122837U CN211122837U CN201922022945.4U CN201922022945U CN211122837U CN 211122837 U CN211122837 U CN 211122837U CN 201922022945 U CN201922022945 U CN 201922022945U CN 211122837 U CN211122837 U CN 211122837U
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Abstract
The utility model provides a water sample preprocessing device who possesses reciprocal self-cleaning function, belongs to water quality testing technical field, including the box, can dismantle the case lid of being connected with the box formation, set up the filter screen section of thick bamboo in the box to and inlet tube, the drainage device with external intercommunication, filter screen section of thick bamboo and case lid fixed connection, be provided with the sample connection that accesss to filter screen section of thick bamboo inside on the case lid, filter screen section of thick bamboo's the outside is provided with reciprocal cleaning device, reciprocal cleaning device is including the clean circle of suit in filter screen section of thick bamboo lateral surface, sets up the floating ring on clean circle, floating ring's density is less than the density of sampling water, sets up the density that the counter weight ring that sets up on clean circle and is. The utility model discloses utilize reciprocal self-cleaning principle and structure to reduce the clearance work load of a filter screen section of thick bamboo, utilize siphon drainage principle and structure, reduced maintenance, clearance frequency to water sample preprocessing device to improve water sample preprocessing device's reliability, improved the work efficiency of fortune dimension work.
Description
Technical Field
The utility model belongs to the technical field of water quality testing, a water sample preprocessing device is related to, specifically is a water sample preprocessing device who possesses reciprocal self-cleaning function.
Background
The water quality detector is a professional instrument for analyzing the content of water quality components, and plays a very great role in environmental protection and water resource protection. Because the sampled water detected by the water quality detector comes from rivers, lakes and seas and contains a large amount of sediment, algae and other substances, the sampled water needs to be subjected to pretreatment such as filtration, sedimentation and the like before being sampled and stored. And in preprocessing device, the outer surface of cartridge filter is covered and influence filterable efficiency by silt, the algae material of sampling aquatic easily, and prior art often sets up cartridge filter and preprocessing device main part into detachable construction, regularly clears up after dismantling the cartridge filter, and the cleaning work is loaded down with trivial details.
In addition, after the first batch of sampling water is detected, before the second batch of sampling water is sent, the first batch of sampling water in the pretreatment water tank needs to be drained. And at the in-process of discharging sampling water, silt in the sampling water can remain at the sealed face of ball valve, causes wearing and tearing to the ball valve and leads to leaking. Therefore, the service life of the valve is short, and the valve needs to be replaced frequently.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a water sample preprocessing device who possesses reciprocal self-cleaning function has solved water sample preprocessing device's the loaded down with trivial details and the short technical problem of valve life who controls the drain pipe drainage of cartridge filter cleaning work.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a water sample preprocessing device that possesses reciprocal self-cleaning function, includes the box, can dismantle the case lid of being connected with the box formation, sets up the filter screen section of thick bamboo in the box to and inlet tube, the drainage device with external intercommunication, the key is: the filter screen cylinder is fixedly connected with the box cover, a sampling port leading to the inside of the filter screen cylinder is arranged on the box cover, a reciprocating cleaning device is arranged on the outer side of the filter screen cylinder and comprises a cleaning ring sleeved on the outer side surface of the filter screen cylinder and a floating ring arranged on the cleaning ring, and the density of the floating ring is smaller than that of sampling water.
The floating ring is provided with a counterweight ring, and the average density of the cleaning ring, the floating ring and the counterweight ring is less than that of the sampled water.
And a limiting disc extending out of the side surface of the filter screen cylinder is arranged on the lower end surface of the filter screen cylinder.
The drainage device comprises a siphon sleeve arranged at the bottom of the box body, and the siphon sleeve comprises an outer pipe provided with an outer pipe water outlet and an inner pipe sleeved in the outer pipe and provided with an inner pipe water outlet; the inner pipe is communicated with the outside; the upper end of the outer pipe is sealed, and the water outlet of the outer pipe is arranged at the lower end of the side wall of the outer pipe; the plane of the inner pipe water outlet is lower than the plane of the water inlet pipe orifice and higher than the plane of the outer pipe water outlet.
The water inlet pipe extends into the box body from the bottom of the box body and extends to the upper end of the interior of the box body, a pipe cap is sleeved at the pipe orifice of the water inlet pipe, the diameter of the pipe cap is larger than that of the water inlet pipe, and the lower end of the pipe cap extends to the bottom of the box body and forms a gap with the bottom plane of the box body; the inner wall of the pipe cap and the water inlet pipe form a clearance type water passing groove, and the side wall of the upper end of the pipe cap is provided with a vent hole.
An overflow pipe is further arranged in the box body, and the height of the opening of the overflow pipe is higher than the height of the water outlet of the inner pipe.
The outer side of the box body is also provided with an ultrasonic vibration device.
The box body is also provided with a liquid level sensor, and the setting height of the liquid level sensor is lower than that of the water outlet of the inner pipe.
The box cover is also provided with a pre-filtering sampling port.
The utility model has the advantages that: the utility model discloses a set up reciprocal cleaning device on a filter screen section of thick bamboo, clean snare with among the reciprocal cleaning device adorn in the lateral surface of a filter screen section of thick bamboo and with the lateral surface contact of a filter screen section of thick bamboo, reciprocal cleaning device drives the water level change along with the box of clean circle through the buoyancy of clean circle floating ring, and the fluctuation produces the friction to the surface of a filter screen section of thick bamboo to the effect of clearance is played to the surface of a filter screen section of thick bamboo. The arrangement of the counterweight ring can enable the floating ring and the cleaning ring to float and sink along with the water level better. This setting has played timely clear effect to a filter screen section of thick bamboo, can effectively improve filter screen section of thick bamboo's filtration efficiency, has reduced the frequency of taking apart preprocessing device clearance filter screen section of thick bamboo. The setting of spacing dish can play spacing effect to reciprocal cleaning device when the water level in the box is less than the bottom surface of filter screen section of thick bamboo, prevents that reciprocal cleaning device from droing from the filter screen section of thick bamboo.
The drainage pipe is arranged in a siphon sleeve mode, the upper end of the outer pipe is sealed, the outer pipe water outlet is formed in the side wall of the lower end of the outer pipe, the inner pipe water outlet is formed in the side wall of the upper end of the inner pipe, the drainage pipe is made to form a siphon structure, the drainage effect is guaranteed by utilizing the siphon principle for drainage, the defect that the valve is used for controlling drainage and is prone to abrasion is overcome, the maintenance times of the drainage device are reduced, and the service life of the drainage device is prolonged.
Ultrasonic vibration device can prevent through the vibration that impurity such as silt, alga in the box from attaching to and forming the dirt layer on the inner wall of box, helps impurity to pass through drain pipe discharge preprocessing device.
The utility model discloses a set up reciprocal cleaning device and effectively clear up the cartridge filter, utilize a series of measures such as siphon principle control drainage, vibration scale removal, effectively improved water sample preprocessing device's work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the present invention after the box body and the box cover are disassembled;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a partially enlarged schematic view of fig. 1 at B.
In the figure, 1, a box body, 2, a box cover, 3, a water quality detection mechanism, 4, a water inlet pipe, 5, a filter screen cylinder, 6, a pipe cap, 7, a sampling port, 8, a cleaning ring, 9, a floating ring, 10, a balance weight ring, 11, an overflow pipe, 12, an outer pipe, 13, an outer pipe water outlet, 14, an inner pipe, 15, an inner pipe water outlet, 16, an ultrasonic vibration device, 17, a liquid level sensor, 18, a pre-filtering sampling port, 19, a limiting disc, 20, an air vent, 21 and a gap.
Detailed Description
The present invention will be described in detail with reference to the following drawings and specific embodiments:
in the specific embodiment, as shown in fig. 1 to 4, a water sample pretreatment device with a reciprocating self-cleaning function comprises a box body 1, a box cover 2 detachably connected with the box body 1, a filter screen cylinder 5 arranged in the box body 1, and a water inlet pipe 4 and a drainage device communicated with the outside, wherein the key points are as follows: filter screen section of thick bamboo 5 and case lid 2 fixed connection, be provided with on case lid 2 and lead to filter screen section of thick bamboo 5 inside sample connection 7, filter screen section of thick bamboo 5's the outside is provided with reciprocal cleaning device, reciprocal cleaning device including suit in filter screen section of thick bamboo 5 lateral surface clean circle 8, set up the floating circle 9 on clean circle 8, the density of floating circle 9 is less than the density of sampling water.
A reciprocating cleaning device is arranged on the side surface of the filter screen cylinder 5, a cleaning ring 8 is sleeved on the filter screen cylinder 5 and is in contact with the outer side surface of the filter screen cylinder 5, a floating ring 9 capable of floating on the water surface of the sampling water is arranged on the cleaning ring 8, and the floating ring 9 is selected to be made of plastic foam in the embodiment. The floating ring 9 is arranged to realize that the cleaning ring 8 and the floating ring 9 can ascend or descend along with the change of the water level of the sampled water in the water inlet or drainage process of the pretreatment device, so that the cleaning ring 8 cleans the outer surface of the filter screen cylinder 5, the self-cleaning of the filter screen cylinder 5 is realized, the frequency of disassembling the pretreatment device to clean the filter screen cylinder is effectively reduced, and the cleaning work is simplified.
Further, set up counter weight ring 10 on floating ring 9, in order to guarantee that floating ring 9 steadily rises along with the water level when the water level in box 1 rises, set up clean circle 8, float circle 9, the average density of counter weight ring 10 is less than the sample water, simultaneously, in order to guarantee when the water level descends in box 1, counter weight ring 10 drives floating ring 9 and clean circle 8 and vertically descends along filter screen cylinder 5, the density of setting counter weight ring 10 is greater than the sample water, in this embodiment, the material of selecting counter weight ring 10 is 304 stainless steel, but in the concrete implementation operation, counter weight ring 10 is not only limited to this kind of material.
Furthermore, in order that the cleaning ring 8, the floating ring 9 and the counterweight ring 10 do not fall off from the filter screen cylinder 5 when the water level of the sampled water in the box body 1 is lower than the bottom surface of the filter screen cylinder 5, a limiting disc 19 extending out of the side surface of the filter screen cylinder 5 is arranged on the lower end surface of the filter screen cylinder 5.
Further, in order to overcome the problem of the valve in the drain line easy by the wearing and tearing of sampling aquatic silt, the utility model discloses in set up the drain pipe into the siphon sleeve pipe, set up the drain pipe in 1 bottom half, the upper end of outer tube 12 is sealed, be provided with the outer tube outlet 12 that is close to 1 bottom surface of box on the lateral wall of outer tube 12 lower extreme, inner tube 14 suit is in outer tube 12, with external intercommunication, be provided with inner tube outlet 15 on the lateral wall of inner tube 14 upper end, the place plane of inner tube outlet 15 is higher than the place plane of outer tube outlet 13, and, in order to produce the siphon effect easily, make things convenient for the water outlet, the place plane that sets up inner tube outlet 15 is less than the orificial. This setting can enough utilize siphon principle to guarantee preprocessing device's drainage effect, can avoid the silt in the sampling aquatic again to cause wearing and tearing to drainage device, has prolonged drainage device's life.
Furthermore, in order to facilitate sampling of the pretreatment device in rivers, lakes and seas, the water inlet pipe 4 is arranged to extend into the upper end of the interior of the box body 1 from the bottom of the box body 1 and extend to the upper end of the interior of the box body 1, in order to benefit flushing and remove impurities deposited at the bottom of the box body 1 side by side, the pipe cap 6 is sleeved at the pipe opening of the water inlet pipe 4, the diameter of the pipe cap 6 is larger than that of the water inlet pipe, the inner wall of the pipe cap 6 and the water inlet pipe 4 form a clearance type water passing groove and are directly communicated to the bottom of the box body 1, and a gap 21 is formed. Sampling water flows into the bottom that flows into box 1 along the outer wall of inlet tube 4 behind the top of pipe cap 6 from inlet tube 4, flows out from the clearance department of pipe cap 6 and box 1 bottom surface, directly erodees the bottom of box 1, can effectively erode away the impurity of box 1 bottom deposit side by side. In order to avoid that the sampled water in the box body 1 flows back and is sucked with the pipe cap 6 through the water inlet pipe 4 after the water pump which is arranged outside the box body 1 and connected with the water inlet pipe 4 stops working, the side wall of the upper end of the pipe cap 6 is provided with the vent hole 20.
Further, in order to prevent the sampling water from overflowing from the top after filling the box body 1, the overflow pipe 11 is arranged in the box body 1, and the height of the top end pipe orifice of the overflow pipe 11 is higher than the inner pipe water outlet 15, so that the drainage device can smoothly drain water. In this embodiment, in order to ensure that the pipe cap 6 is not soaked by the sampled water and that the water is smoothly injected, the top end of the overflow pipe 11 is disposed between the pipe cap 6 and the inner pipe water outlet 15.
Furthermore, in order to prevent impurities such as silt and algae in the pretreatment device from depositing and adhering to the bottom surface and the side wall of the box body 1 to form a dirt layer, the ultrasonic vibration device 16 is arranged on the outer side of the box body 1, in the embodiment, the ultrasonic vibration device 16 is arranged at the bottom of the box body 1 to improve the vibration effect, and the impurities are favorably vibrated down from the box body 1 and mixed in the sampling water to be discharged out of the box body 1 through the drainage device.
Furthermore, in order to control the sampled water to stay in the pretreatment device for water quality detection, a liquid level sensor 17 is arranged on the side wall of the box body 1, and the height of the liquid level sensor 17 is lower than that of the inner pipe water outlet 15. When the liquid level of the sampling water in the box body 1 reaches the liquid level sensor 17, the liquid level sensor transmits a signal to the external water pump, and the water pump stops supplying water into the pretreatment device, so that the water level of the sampling water is controlled to be lower than the height of the inner pipe water outlet 15, and the sampling water is not discharged from the siphon sleeve.
Further, in order to collect a water sample before filtration in the pretreatment device, a pre-filtration sampling port 18 is provided on the tank cover 2.
Further, the utility model discloses a working process as follows:
start to set up the water pump outside preprocessing device, pump in the sampling water to box 1 through inlet tube 4, reciprocal cleaning device is along with the clean filter screen section of thick bamboo 5 of water level rising friction, when the liquid level of sampling water reachs level sensor 17 department, level sensor 17 transmission signal water feeding pump, water pump stop work, realize that the sampling water impounds in the box 1, utilize water quality testing equipment to detect the sampling water quality of water in the box 1, in this embodiment, set up simple water quality testing mechanism 3 in box 1, in actual detection time measuring, preprocessing device can also link other detection device outward. Meanwhile, a filtered water sample is extracted from the sampling port 7, and a water sample before filtration is extracted from the sampling port 18 before filtration. Then, the signal of the liquid level sensor 17 is shielded, the water pump is controlled to continue pumping water into the box body 1, the water level of the sampling water in the box body 1 rises until the sampling water begins to flow out of the overflow pipe 11, at the moment, the water level in the box body 1 reaches the height of the inner pipe water outlet 15, the siphon effect is generated on the siphon sleeve, and the sampling water in the box body 1 is discharged. The reciprocating cleaning device rubs and cleans the filter screen cylinder 5 along with the falling of the water level of the sampled water, thereby realizing the cleaning of the filter screen cylinder 5 again.
Claims (9)
1. The utility model provides a water sample preprocessing device that possesses reciprocal self-cleaning function, includes box (1), forms case lid (2) that can dismantle the connection with box (1), sets up filter screen section of thick bamboo (5) in box (1) to and inlet tube (4), the drainage device of external intercommunication, its characterized in that: filter screen cylinder (5) and case lid (2) fixed connection, be provided with sample connection (7) that lead to inside filter screen cylinder (5) on case lid (2), the outside of filter screen cylinder (5) is provided with reciprocal cleaning device, reciprocal cleaning device including suit in clean circle (8) of filter screen cylinder (5) lateral surface, set up float circle (9) on clean circle (8), the density of float circle (9) is less than the density of sampling water.
2. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 1, wherein: the floating ring (9) is provided with a counterweight ring (10), and the average density of the cleaning ring (8), the floating ring (9) and the counterweight ring (10) is less than that of the sampled water.
3. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 1, wherein: and a limiting disc (19) extending out of the side surface of the filter screen cylinder (5) is arranged on the lower end surface of the filter screen cylinder (5).
4. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 1, wherein: the drainage device comprises a siphon sleeve arranged at the bottom of the box body (1), and the siphon sleeve comprises an outer pipe (12) provided with an outer pipe water outlet (13) and an inner pipe (14) sleeved in the outer pipe (12) and provided with an inner pipe water outlet (15); the inner pipe (14) is communicated with the outside; the upper end of the outer pipe (12) is sealed, and the outer pipe water outlet (13) is arranged at the lower end of the side wall of the outer pipe (12); the plane of the inner pipe water outlet (15) is lower than the plane of the pipe orifice of the water inlet pipe (4) and higher than the plane of the outer pipe water outlet (13).
5. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 1, wherein: the water inlet pipe (4) extends into the tank body (1) from the bottom of the tank body (1) and extends to the upper end of the interior of the tank body (1), a pipe cap (6) is sleeved at the pipe orifice of the water inlet pipe (4), the diameter of the pipe cap (6) is larger than that of the water inlet pipe (4), the lower end of the pipe cap (6) extends to the bottom of the tank body (1), and a gap (21) is formed between the lower end of the pipe cap (6) and the bottom plane of the tank body (1); the inner wall of the pipe cap (6) and the water inlet pipe (4) form a clearance type water passing groove, and the side wall of the upper end of the pipe cap (6) is provided with a vent hole (20).
6. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 4, wherein: an overflow pipe (11) is further arranged in the box body (1), and the height of the opening of the overflow pipe (11) is higher than the setting height of the inner pipe water outlet (15).
7. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 1, wherein: an ultrasonic vibration device (16) is also arranged on the outer side of the box body (1).
8. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 4, wherein: the box body (1) is also provided with a liquid level sensor (17), and the setting height of the liquid level sensor (17) is lower than that of the inner pipe water outlet (15).
9. The water sample pretreatment device with the reciprocating self-cleaning function according to claim 1, wherein: the box cover (2) is also provided with a pre-filtering sampling port (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022945.4U CN211122837U (en) | 2019-11-21 | 2019-11-21 | Water sample pretreatment device with reciprocating self-cleaning function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922022945.4U CN211122837U (en) | 2019-11-21 | 2019-11-21 | Water sample pretreatment device with reciprocating self-cleaning function |
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| CN211122837U true CN211122837U (en) | 2020-07-28 |
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| CN201922022945.4U Active CN211122837U (en) | 2019-11-21 | 2019-11-21 | Water sample pretreatment device with reciprocating self-cleaning function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710510A (en) * | 2020-12-31 | 2021-04-27 | 龙岩烟草工业有限责任公司 | Water quality monitoring equipment |
| CN114636341A (en) * | 2022-02-11 | 2022-06-17 | 舒彩英 | High-efficient waste water heat recovery unit |
-
2019
- 2019-11-21 CN CN201922022945.4U patent/CN211122837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710510A (en) * | 2020-12-31 | 2021-04-27 | 龙岩烟草工业有限责任公司 | Water quality monitoring equipment |
| CN114636341A (en) * | 2022-02-11 | 2022-06-17 | 舒彩英 | High-efficient waste water heat recovery unit |
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