CN214150008U - Sampling device for sewage detection - Google Patents
Sampling device for sewage detection Download PDFInfo
- Publication number
- CN214150008U CN214150008U CN202022871730.2U CN202022871730U CN214150008U CN 214150008 U CN214150008 U CN 214150008U CN 202022871730 U CN202022871730 U CN 202022871730U CN 214150008 U CN214150008 U CN 214150008U
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- sampling
- pipe
- sewage
- peristaltic pump
- port
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- 238000005070 sampling Methods 0.000 title claims abstract description 169
- 239000010865 sewage Substances 0.000 title claims abstract description 79
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000010926 purge Methods 0.000 claims abstract description 3
- 238000004804 winding Methods 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 238000012372 quality testing Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 6
- 241000195493 Cryptophyta Species 0.000 description 4
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of sewage detection, and discloses a sampling device for sewage detection, which comprises a sampling pipe, a bidirectional peristaltic pump, a sampling mechanism and a retraction mechanism, wherein the bidirectional peristaltic pump, the sampling mechanism and the retraction mechanism are fixedly arranged on a base; the sampling mechanism is communicated with a first port of a peristaltic tube in the bidirectional peristaltic pump; the sampling pipe is wound on the retraction mechanism and is communicated with a second port of a peristaltic pipe in the bidirectional peristaltic pump; wherein, a sampling joint and a cleaning joint are arranged at the sampling port of the sampling pipe; the sampling joint comprises a first one-way valve for limiting liquid to flow out and a filter screen fixedly arranged at an inlet of the first one-way valve; the purge connection includes a second one-way valve that restricts the flow of liquid. The utility model is simple in operation, certain self-cleaning function has, and the sewage sample that gathers has the representativeness, can guarantee water quality testing result's accurate nature and stability.
Description
Technical Field
The utility model belongs to the technical field of sewage detection, concretely relates to sampling device for sewage detection.
Background
With the continuous deepening of the ecological environment protection concept, higher requirements are provided for sewage treatment. In the sewage treatment work, the water quality detection and analysis work needs to be started firstly, and then the water quality purification treatment is carried out according to the detection result, so the accuracy and the stability of the water quality detection result are very important. However, the quality of the sewage sample is a key factor affecting the water quality detection result, but at present, the used sewage sampling device often has the following problems:
1. after the sampling work is accomplished, a large amount of sewage generally can remain to the sampling pipe inner wall, and current sewage sampling device does not possess the function of wasing the sampling pipe yet to in next sampling work, the remaining sewage of sampling pipe inner wall can be collected to the sample bottle as the sample once more, has seriously reduced the quality of sewage sample, makes the sewage sample of gathering can not truly reflect regional quality of water situation, finally causes the influence to the accuracy of water quality testing result.
2. Most sewage has corrosivity and stench nature, and after the sample work was accomplished, the clearance can not be cleaned to the remaining sewage of sampling tube outer wall to current sewage sampling device, and the sewage evaporates naturally the back, can make sewage sampling device produce the stench peculiar smell that is difficult to eliminate.
3. When the existing sewage sampling device samples sewage in different water depths, the sampling pipe goes deep into the sewage pool, and sewage standing on the surface of the sewage pool can enter the inside of the sampling pipe under the action of atmospheric pressure difference, so that the situation of deep sewage cannot be truly reflected by the collected sewage sample, and the accuracy of a water quality detection result is seriously reduced.
4. Current sewage sampling device mixes impurity such as a large amount of algae, earth easily in the sewage that gathers, and these impurity are difficult for clearing up, and later stage staff can receive serious influence when detecting chemical in the sewage, have increased staff's the detection degree of difficulty, have also caused the influence to the water quality testing result to a certain extent.
SUMMERY OF THE UTILITY MODEL
In order to solve the above disadvantages in the prior art, the utility model aims to provide a sampling device for sewage detection, which can sample sewage at different depths; on the other hand sample work is accomplished the back, can in time clean the clearance to the sampling pipe to can reach accurate sample, guarantee the purpose of water quality testing result accuracy.
In order to achieve the above object, the utility model adopts the following technical scheme: a sampling device for sewage detection comprises a sampling pipe, a bidirectional peristaltic pump, a sampling mechanism and a retraction mechanism, wherein the bidirectional peristaltic pump, the sampling mechanism and the retraction mechanism are fixedly arranged on a base; the sampling mechanism is communicated with a first port of a peristaltic tube in the bidirectional peristaltic pump; the sampling pipe is wound on the retraction mechanism and is communicated with a second port of a peristaltic pipe in the bidirectional peristaltic pump;
wherein, a sampling joint and a cleaning joint are arranged at the sampling port of the sampling pipe; the sampling joint comprises a first one-way valve for limiting liquid to flow out and a filter screen fixedly arranged at an inlet of the first one-way valve; the purge connection includes a second one-way valve that restricts the flow of liquid.
As the limitation of the utility model, the sampling tube cleaning device also comprises a cleaning mechanism which is fixedly arranged on the base and is used for cleaning the outer side wall of the sampling tube; the cleaning mechanism is positioned on one side of the retraction mechanism.
As a further limitation of the present invention, the cleaning mechanism comprises at least one wiping groove fixedly disposed on the base; the cleaning groove comprises a first groove body and a second groove body which are hinged together from top to bottom, water-absorbing sponges are arranged in the first groove body and the second groove body, and a through hole for the sampling pipe to pass through is formed in the contact position of the first groove body and the second groove body.
As another limitation of the present invention, the sampling mechanism includes a container frame fixed on the base, and a plurality of sampling branch pipes vertically arranged above the container frame; a plurality of sample bottles are uniformly arranged in the container frame; the sampling branch pipes correspond to bottle mouths of the sample bottles one by one.
As a further limitation of the utility model, each sampling branch pipe is fixedly provided with an electromagnetic valve which is electrically connected with the PLC; and a liquid level sensor electrically connected with the PLC is fixedly arranged at the port of each sampling branch pipe.
As a third limitation of the present invention, the winding mechanism includes a winding shaft and a driving motor for driving the winding shaft to rotate; the driving motor is electrically connected with the PLC.
As a further limitation of the utility model, the lower surface of the base is fixedly provided with a plurality of rollers.
Since the technical scheme is adopted, compared with the prior art, the utility model, the beneficial effect who gains is:
(1) the sampling joint arranged at the sampling port of the sampling pipe can prevent sewage from automatically entering the sampling pipe under the action of atmospheric pressure difference, and can ensure that only the sewage in a required sewage layer is extracted when the sewage is subjected to layered sampling, thereby effectively ensuring the quality of the taken sewage sample and providing more comprehensive data support for water quality detection; on the other hand, the filter screen that sets up in the sampling connects, in the sampling work, can filter impurity such as algae or mud in the sewage, can avoid impurity to mix in the sewage sample and cause the influence to the water quality testing result. The sewage sample collected by the device can objectively and accurately reflect the condition of the water quality in the region, and the accuracy and stability of the water quality detection result can be effectively ensured.
(2) After the sampling work was accomplished, the utility model discloses in locate the washing joint of sampling pipe sampling port department and cooperate in two-way peristaltic pump, reverse extraction clear water in time washs the inside sewage of sampling pipe, can avoid sewage to remain at the sampling pipe inner wall, and influence the accuracy of sampling next time. Wherein, wash in the second check valve that connects and can avoid liquid to flow into the sampling pipe, in the sample work, sewage can only follow the sample and connect the department and get into the sampling pipe, can effectively guarantee the accurate nature of sample position.
(3) The utility model discloses the sampling that well sampling pipe sampling port department set up connects and washs the joint, also corresponding aggravates the weight of sampling pipe sampling port, relies on self gravity, and the sampling port of sampling pipe can go deep into in the sewage, can avoid appearing because of the unable condition of deep into aquatic of floating only on the surface of water of sampling pipe weight.
(4) After sample work accomplished, when jack mechanism was to the sampling pipe rolling, the utility model provides a clearance mechanism can clean the clearance with the trend to the outer wall of sampling pipe, avoids sewage to remain for a long time at the sampling pipe outer wall, can prevent that device from producing the stench peculiar smell or by the condition emergence of corruption.
(5) The utility model discloses be provided with a plurality of samples among the sampling mechanism and manage and the sample bottle, can realize the purpose of a lot of samples, make the sample more representative, can prevent the contingency of testing result.
(6) After the sample bottle got full sewage sample, the utility model discloses the solenoid valve and the level sensor that set up on the sample tubulation can automatic shutdown sample work, can prevent effectively that the condition that leads to sewage sample to spill over often untimely because of the staff observes takes place.
(7) The utility model discloses the gyro wheel that well base lower surface set up, the staff of being convenient for removes the device is whole, and then changes the sampling position.
To sum up, the utility model is simple in operation, certain self-cleaning function has, the sewage sample very representative nature of gathering can guarantee accurate nature and the stability of water quality testing result, is suitable for using widely.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of a sampling joint and a cleaning joint with a sampling pipe according to an embodiment of the present invention;
FIG. 3 is a longitudinal sectional view of a wiping tank according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a container frame according to an embodiment of the present invention;
FIG. 5 is a schematic view of the matching relationship between the sampling branch pipe and the sample bottle according to the embodiment of the present invention;
in the figure: 1. a base; 2. a sampling tube; 3. a bi-directional peristaltic pump; 4. a sampling mechanism; 5. a retraction mechanism; 6. wiping the groove; 7. a sampling joint; 8. cleaning the joint; 9. a first tank body; 10. a second tank body; 11. a water-absorbing sponge; 12. a container frame; 13. a sample bottle; 14. a sampling main pipe; 15. sampling and tube dividing.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.
Embodiment a sampling device for sewage detection
As shown in fig. 1 to 5, the present embodiment includes a sampling tube 2, and a bidirectional peristaltic pump 3, a sampling mechanism 4, a retracting mechanism 5 and a cleaning mechanism, which are fixed on a base 1. This embodiment is mutually supported between each part, can be to the accurate sample of the sewage of the different degree of depth, and the sewage sample that gathers has representativeness extremely to can also in time clear up remaining sewage on sampling pipe 2 after the sample work is accomplished, can avoid sewage to remain on sampling pipe 2 for a long time.
It should be noted that, the present embodiment adopts the bi-directional peristaltic pump 3 with the existing structure, and the structure thereof is not improved, so that the details are not described herein.
The cleaning joint 8 comprises a second one-way valve for limiting liquid to flow in, and when sampling is carried out, sewage can be prevented from entering the sampling pipe 2 from the cleaning joint 8, so that the accuracy of a sampling position can be effectively guaranteed; after the sample is accomplished, can discharge the clear water of sampling pipe 2 reverse extraction through wasing joint 8, and then accomplish the washing to 2 inner walls of sampling pipe.
The retraction mechanism 5 is used for winding and storing the sampling tube 2, and the situation that the sampling tube 2 is wound and knotted per se is prevented from occurring. As shown in fig. 1, the retracting mechanism 5 includes a winding shaft mounted on the base 1, and a driving motor for driving the winding shaft to rotate. In order to control the forward and reverse rotation of the driving motor, the sampling tube 2 can be freely retracted and retracted, the driving motor in the embodiment is electrically connected with the PLC, and the PLC controls the driving motor to work correspondingly.
Cleaning mechanism is used for wiping the lateral wall of clearance sampling pipe 2, avoids sewage to remain at sampling pipe 2 lateral wall. The cleaning mechanism comprises at least one wiping tank 6 which is fixedly arranged on the base 1. Specifically, as shown in fig. 3, the wiping groove 6 includes a first groove 9 and a second groove 10 hinged together, a through hole for the sampling tube 2 to pass through is provided at a contact position of the first groove 9 and the second groove 10, and the diameter of the through hole is slightly larger than the caliber of the sampling tube 2, so as to avoid abrasion of the outer edge of the through hole on the sampling tube 2. A piece of water absorption sponge 11 used for wiping and cleaning the outer side wall of the sampling pipe 2 is also respectively arranged in the first groove body 9 and the second groove body 10, and the water absorption sponge 11 can just fill the inner space of the first groove body 9 or the second groove body 10. In order to better clean the outer side wall of the sampling tube 2, two wiping grooves 6 are arranged side by side on one side of the retraction mechanism 5 in the embodiment.
The sampling mechanism 4 is communicated with a first port of a peristaltic tube in the bidirectional peristaltic pump 3 and is used for collecting a sewage sample drawn by the sampling tube 2. As shown in fig. 4 and 5, the sampling mechanism 4 includes a container frame 12 fixed on the base 1, a main sampling pipe 14 communicating with a first port of the peristaltic pipe of the bidirectional peristaltic pump 3, and a plurality of sub sampling pipes 15 vertically disposed above the container frame 12. Wherein, a plurality of sample bottles 13 for collecting sewage samples are uniformly arranged in the container frame 12; one end of each sampling branch pipe 15 is communicated with the sampling main pipe 14, and the other end of each sampling branch pipe is in one-to-one correspondence with the bottle openings of the sample bottles 13. In order to realize the automatic control of the on-off of the sampling branch pipe 15, in this embodiment, each sampling branch pipe 15 is provided with a solenoid valve electrically connected with the PLC controller. In order to prevent the overflow of the sample bottle 13 when the sewage sample is full, in this embodiment, a liquid level sensor electrically connected to the PLC controller is further fixedly installed at the port of each sampling branch pipe 15.
In order to facilitate the staff to move the device integrally, in this embodiment, the lower surface of the base 1 is fixedly provided with a plurality of rollers.
The working process of this embodiment is as follows:
firstly, a PLC controller controls a driving motor in a retraction mechanism 5 to rotate forwards, and a sampling pipe 2 is placed in a sewage pool to be sampled; then, the PLC controls the bidirectional peristaltic pump 3 to work, so that a large atmospheric pressure difference is generated inside the sampling tube 2, and further sewage can enter the sampling tube 2 from a sampling joint 7 of the sampling tube 2; meanwhile, the filter screen at the liquid inlet of the sampling joint 7 filters impurities such as algae and sludge to prevent the impurities from entering the sampling pipe 2 along with sewage; then the sewage flows into a sampling main pipe 14 of the sampling mechanism 4 through the sampling pipe 2 and then enters each sample bottle 13 through a sampling branch pipe 15; when a sewage sample in the sample bottle 13 contacts the liquid level sensor at the port of the sampling branch pipe 15, the liquid level sensor transmits an electric signal to the PLC, so that the PLC controls the electromagnetic valve on the sampling branch pipe 15 to be disconnected; meanwhile, the PLC controls the bidirectional peristaltic pump 3 to stop working, so that the collection of the sewage is completed.
After the sampling work is finished, separating a first port of a peristaltic pipe in the bidirectional peristaltic pump 3 from a sampling main pipe 14, and then communicating the first port with a tap water pipe; then the PLC controller controls the bidirectional peristaltic pump 3 to reversely absorb the clean water in the tap water pipe; clear water enters the sampling tube 2 through the peristaltic tube and is discharged from the cleaning joint 8 of the sampling tube 2, so that the inner wall of the sampling tube 2 is cleaned; finally, the PLC controller controls a driving motor in the retraction mechanism 5 to rotate reversely, and the sampling tube 2 is retracted; in the rolling process, the sponge 11 that absorbs water among the clearance mechanism can clean the clearance with taking advantage of the situation to the lateral wall of sampling pipe 2, prevents that sewage from remaining on the lateral wall of sampling pipe 2 for a long time.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a sampling device for sewage detection which characterized in that: comprises a sampling pipe, a bidirectional peristaltic pump, a sampling mechanism and a retraction mechanism, wherein the bidirectional peristaltic pump, the sampling mechanism and the retraction mechanism are fixedly arranged on a base; the sampling mechanism is communicated with a first port of a peristaltic tube in the bidirectional peristaltic pump; the sampling pipe is wound on the retraction mechanism and is communicated with a second port of a peristaltic pipe in the bidirectional peristaltic pump;
wherein, a sampling joint and a cleaning joint are arranged at the sampling port of the sampling pipe; the sampling joint comprises a first one-way valve for limiting liquid to flow out and a filter screen fixedly arranged at an inlet of the first one-way valve; the purge connection includes a second one-way valve that restricts the flow of liquid.
2. The sampling device for sewage detection according to claim 1, wherein: the cleaning mechanism is fixedly arranged on the base and used for wiping the outer side wall of the sampling pipe; the cleaning mechanism is positioned on one side of the retraction mechanism.
3. The sampling device for sewage detection according to claim 2, wherein: the cleaning mechanism comprises at least one wiping groove fixedly arranged on the base; the cleaning groove comprises a first groove body and a second groove body which are hinged together from top to bottom, water-absorbing sponges are arranged in the first groove body and the second groove body, and a through hole for the sampling pipe to pass through is formed in the contact position of the first groove body and the second groove body.
4. The sampling device for wastewater detection according to any one of claims 1 to 3, wherein: the sampling mechanism comprises a container frame fixedly arranged on the base and a plurality of sampling branch pipes vertically arranged above the container frame; a plurality of sample bottles are uniformly arranged in the container frame; the sampling branch pipes correspond to bottle mouths of the sample bottles one by one.
5. The sampling device for sewage detection according to claim 4, wherein: each sampling branch pipe is fixedly provided with an electromagnetic valve which is electrically connected with the PLC; and a liquid level sensor electrically connected with the PLC is fixedly arranged at the port of each sampling branch pipe.
6. The sampling device for wastewater detection according to any one of claims 1 to 3 and 5, wherein: the winding mechanism comprises a winding shaft and a driving motor for driving the winding shaft to rotate; the driving motor is electrically connected with the PLC.
7. The sampling device for sewage detection according to claim 6, wherein: the lower surface of base sets firmly a plurality of gyro wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022871730.2U CN214150008U (en) | 2020-12-04 | 2020-12-04 | Sampling device for sewage detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022871730.2U CN214150008U (en) | 2020-12-04 | 2020-12-04 | Sampling device for sewage detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214150008U true CN214150008U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022871730.2U Expired - Fee Related CN214150008U (en) | 2020-12-04 | 2020-12-04 | Sampling device for sewage detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214150008U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486374A (en) * | 2022-01-06 | 2022-05-13 | 泰安中科生产力促进有限公司 | Sewage intelligent monitoring device for environmental management |
| CN116242659A (en) * | 2023-03-16 | 2023-06-09 | 河南亚派环境科技有限公司 | Equipment capable of achieving graded collection of sewage at different depths |
-
2020
- 2020-12-04 CN CN202022871730.2U patent/CN214150008U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486374A (en) * | 2022-01-06 | 2022-05-13 | 泰安中科生产力促进有限公司 | Sewage intelligent monitoring device for environmental management |
| CN114486374B (en) * | 2022-01-06 | 2024-04-05 | 泰安中科生产力促进有限公司 | Sewage intelligent monitoring device for environment management |
| CN116242659A (en) * | 2023-03-16 | 2023-06-09 | 河南亚派环境科技有限公司 | Equipment capable of achieving graded collection of sewage at different depths |
| CN116242659B (en) * | 2023-03-16 | 2023-11-21 | 河南叁点壹肆检测技术有限公司 | Equipment capable of achieving graded collection of sewage at different depths |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |