CN212904061U - Chemical analysis instrument sample water sampling device applied to deep-pit running water - Google Patents

Chemical analysis instrument sample water sampling device applied to deep-pit running water Download PDF

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CN212904061U
CN212904061U CN202022162189.8U CN202022162189U CN212904061U CN 212904061 U CN212904061 U CN 212904061U CN 202022162189 U CN202022162189 U CN 202022162189U CN 212904061 U CN212904061 U CN 212904061U
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water
sample
buffer
extraction
tank
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CN202022162189.8U
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陈尉
王菁
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Guodian Changzhou Power Generating Co Ltd
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Guodian Changzhou Power Generating Co Ltd
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Abstract

The utility model discloses a chemical analysis instrument sample water sampling device applied to deep-pit running water, which comprises an extraction water pump, a buffer water tank and a flow controller, wherein the extraction water pump is arranged in a sample water tank; the water outlet end of the extraction water pump is connected with a buffer water tank through a water inlet pipeline, and the buffer water tank is connected with the analysis instrument set through a water outlet pipeline; a first control valve is arranged on the water outlet pipeline and connected with the flow controller; the buffer water tank is provided with an overflow water return port, and the overflow water return port is connected with the sample water tank through an overflow pipe. The utility model discloses a first control valve on the water outlet pipeline of buffer tank controls the sample water volume of delivering to analytical instrument, and unnecessary water intaking will return to in the sample pond through the overflow water mouth, and the contradiction that the water sample that exists is large-traffic, high pressure and the required sample water of analytical instrument is low discharge, low pressure when having solved the required high-lift pump water intaking of pit.

Description

Chemical analysis instrument sample water sampling device applied to deep-pit running water
Technical Field
The utility model relates to a chemical analysis instrument appearance water sampling device especially relates to a be applied to chemical analysis instrument appearance water sampling device of pit running water.
Background
After physical filtration and chemical treatment are carried out on the discharged water generated in the daily operation period of a factory, most of the discharged water treatment environmental protection indexes are qualified, the discharged water can be discharged after the requirements are met, and a small part of unqualified discharged water is conveyed to a discharged water recovery tank to be treated again and discharged after being qualified; under the current increasingly higher environmental protection requirement, the requirements for chemical analysis and monitoring of factory drain outlet water are increasingly wide, and the requirement is urgent, and a sample water sampling device of a chemical analysis instrument is an indispensable device and equipment for chemical analysis of drain water; in order to meet the requirement of large water discharge, the depth of a water collecting tank for discharging water can generally reach more than 10 meters, the water storage of the water collecting tank is also generally more than 5 meters, and meanwhile, a discharge port of the water collecting tank is communicated with a Yangtze river or a river, so that flowing running water is formed in the water collecting tank, the surge and daily water level change are large, and the field water sampling has large difficulty and high risk. When the high-lift pump required by the pit is used for taking water, the contradiction that the water sample has large flow and high pressure and the sample water required by the analytical instrument has small flow and low pressure exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art's defect, provide a be applied to chemical analysis instrument appearance water sampling device of pit running water, the contradiction that the water sample that exists is large-traffic, high pressure and the required appearance water of analysis instrument is low discharge, low pressure when having solved the required high-lift pump water intaking of pit through setting up buffer tank.
In order to solve the technical problem, the utility model provides a chemical analysis instrument sample water sampling device applied to the deep pit running water, which comprises an extraction water pump, a buffer water tank and a flow controller, wherein the extraction water pump is arranged in a sample water tank; the water outlet end of the extraction water pump is connected with a buffer water tank through a water inlet pipeline, and the buffer water tank is connected with the analysis instrument set through a water outlet pipeline; a first control valve is arranged on the water outlet pipeline and connected with the flow controller; the buffer water tank is provided with an overflow water return port, and the overflow water return port is connected with the sample water tank through an overflow pipe.
Further, extraction water pump externally mounted has the sample to place the cage, realizes blockking up the suction pump with large-scale debris filterable function in preventing that large-scale debris from getting into the cage, places the position of cage through adjusting the sample, and different water levels in the adaptable pit are not impacted by water level and surge.
Furthermore, the extraction water pumps are provided with two extraction water pumps, the water outlet ends of the two extraction water pumps are connected with the buffer water tank in parallel, the two extraction water pumps are respectively connected with the electric cabinet, timing cycle control is realized through the electric cabinet, and the two extraction water pumps work in turn, so that the purpose of uninterrupted and continuous sampling is realized.
Further, the extraction water pump is placed in the sample pond through hoisting support, hoisting support installs on sample platform, hoisting support includes a set of movable and static assembly pulley support, movable and static assembly pulley support is connected with the extraction water pump through the rope for hoist and mount extraction water pump, and realize that the water level is automatic to follow the regulation.
Further, buffer tank installs on sample platform, buffer tank sets gradually sample water inlet, overflow return water mouth, sample water delivery port and drain from high to low, the buffer tank top sets up the observation access hole.
Furthermore, a second control valve and a sediment signal generator are arranged at the sewage discharge outlet of the buffer water tank, the second control valve and the sediment signal generator are respectively connected with the electric cabinet, the buffer water tank completes sewage discharge from the sewage discharge outlet at the bottom, and automatic and continuous sewage discharge is realized through the sediment amount signal and the second control valve.
Furthermore, the sample water inlet of the buffer water tank is connected with the extraction water pump through a water inlet pipeline, a third control valve is arranged on the water inlet pipeline, and the third control valve is connected with the flow controller.
The working principle is as follows: the sampling device is mainly suitable for sampling the sample water of the deep-pit running water. The sample water in the sampling pool is pumped by the pumping water pump placed in the sampling placement cage and is delivered to the buffer water tank positioned on the sampling platform, the sample water amount delivered to the analysis instrument is controlled by the first control valve on the buffer water tank water outlet pipeline, redundant water taking is returned to the sample water tank through the overflow water port, and impurities such as daily accumulated sludge are automatically removed from the sewage outlet provided with the valve at the lower part of the buffer water tank.
Has the advantages that:
1. the first control valve on the water outlet pipeline of the buffer water tank controls the amount of sample water delivered to the analysis instrument, and redundant water taking is returned to the sample water tank through the overflow water port, so that the contradiction that the large flow and high pressure of a water sample exist when a high-lift pump required by a pit takes water and the sample water required by the analysis instrument is small flow and low pressure is solved.
2. The extraction water pump is equipped with two, and two extraction water pumps are connected with the electric cabinet respectively, realize timing cycle control through the electric cabinet, work in turn to this realizes incessant, the purpose of continuous sampling, has realized taking out the appearance water function to appearance pond automation, in succession, has guaranteed the formation to automatic, the continuous analysis and the monitoring ability of appearance water in the pond of catchmenting, reduces the risk of artifical sample, analysis.
3. The automatic and continuous analysis and monitoring of the sample water in the sample water pond of the water outlet are completed, various environmental protection indexes of drainage are improved, the increasingly improved environmental protection requirements are met, and the current national and local environmental protection guidelines are met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The utility model discloses mainly be applicable to the pit running water sample. The utility model discloses a be applied to chemical analysis instrument appearance water sampling device of pit running water places cage 3, surge tank 4, the extraction system component that flow controller and attached connecting tube and control valve are constituteed by two extraction water pumps 1 (one with one in reserve, contain the control unit), hoisting support 2 and sample. The extraction water pump 1 is placed in the sample water pool 5; the water outlet end of the extraction water pump 1 is connected with a buffer water tank 4 through a water inlet pipeline 6, and the buffer water tank 4 is connected with an analysis instrument group 8 through a water outlet pipeline 7; a first control valve 9 is arranged on the water outlet pipeline 7, and the first control valve 9 is connected with the flow controller; the buffer water tank 4 is provided with an overflow return port 10, and the overflow return port 10 is connected with the sample water pool 5 through an overflow pipe 11.
A sampling placement cage 3 is arranged outside the extraction water pump 1, the sampling device placement cage 3 is made of stainless steel, water leakage holes are formed to facilitate water pumping of the water pump, meanwhile, the function of filtering large sundries is achieved, and the large sundries are prevented from entering the cage to block the water pump; the placing cage fixing support is made of stainless steel materials, is fixed on the sampling platform 12 after being reinforced, and can be adjusted in a self-adaptive mode according to the height of the water level. The position of the cage 3 is placed by adjusting sampling, so that the device can adapt to different water levels in a deep pit and is not influenced by water level and surge impact.
The two extraction water pumps 1 are arranged, the water outlet ends of the two extraction water pumps 1 are connected with the buffer water tank 4 in parallel, the two extraction water pumps 1 are respectively connected with the electric cabinet, timing cycle control is realized through the electric cabinet, and the two extraction water pumps work in turn, so that the purpose of uninterrupted and continuous sampling is realized.
The extraction water pump 1 is placed in a sample water tank 5 through a hoisting support 2, the hoisting support 2 is installed on a sampling platform 12, the hoisting support 2 comprises a set of movable pulley block support and a set of static pulley block support, the movable pulley block support and the static pulley block support are connected with the extraction water pump 1 through ropes and are used for hoisting the extraction water pump 1, the extraction water pump 1 is installed on the side, close to a deep pit, of the sampling platform 12, the automatic following adjustment of the water level is achieved, and the daily regular inspection of the extraction water pump 1 is facilitated.
In order to achieve the purpose of taking water from a pit, a high-lift extraction water pump 1 is adopted, the flow rate of extracted sample water is high, the pressure is high, an analysis instrument belongs to a precise instrument, only a small amount of sample water is needed during analysis, and the pressure and the flow are not too high; for solving above problem, set up one on sampling platform 12 buffer tank 4, from high to low setting sample water inlet 13, overflow return water mouth 10, sample water delivery port 14 and automatic drain 15 to set up the observation access hole at the water tank top, make things convenient for the inside filth of manual inspection affirmation water tank to pile up the condition when necessary.
The sample water inlet 13 is arranged at the highest position and is connected with the extraction water pump 1 through the water inlet pipeline 6, the water inlet pipeline 6 is provided with a third control valve 16, and the third control valve 16 is connected with the flow controller. Make things convenient for routine maintenance, during normal operating, the water inlet control valve is opened entirely, because the overflow return water mouth 10 is less than water inlet 13, has realized buffer function, and extraction water pump 1 can not suppress the pressure and struts the pipeline, drops, influences the sample water extraction.
Sample water outlet conduit 7 install first control valve 9 additional, because buffer tank 4 installs on sample platform 12, the mounted position is higher than analytical instrument, the static pressure that utilizes both difference in height to produce and the sample water volume that first control valve 9 control got into analytical instrument, the overflow return port is higher than the delivery port simultaneously, in normal operating, the unnecessary sample water of extraction overflows to sample pond 5 from overflow return port 10, sample water is higher than the delivery port in buffer tank 4, guarantee to continuously supply with sample water to analytical instrument, thereby realize the regulation flow function.
The sample is placed cage 3 and has been realized the earlier stage filtering capability to large-scale debris in the sample water, but the pit running water contains small-size or granule filth will be in water tank bottom deposit, observes the inside condition of maintenance mouth observation water tank through the top to at water tank lowermost part installation automatic drain 15 and second control valve 17 and deposit signal generator, second control valve 17 and deposit signal generator are connected with the electric cabinet respectively, and surge tank accomplishes the blowdown from the bottom drain, and realizes automatic blowdown in succession through deposit volume signal and second control valve 17, realizes carrying out the blowdown function to surge tank 4 automatically, will guarantee that sample water sample normal, stable.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (7)

1. A sample water sampling device of a chemical analysis instrument applied to deep-pit running water is characterized by comprising an extraction water pump, a buffer water tank and a flow controller, wherein the extraction water pump is placed in a sample water tank; the water outlet end of the extraction water pump is connected with a buffer water tank through a water inlet pipeline, and the buffer water tank is connected with the analysis instrument set through a water outlet pipeline; a first control valve is arranged on the water outlet pipeline and connected with the flow controller; the buffer water tank is provided with an overflow water return port, and the overflow water return port is connected with the sample water tank through an overflow pipe.
2. The chemical analysis meter sample water sampling device applied to the deep pit running water according to claim 1, wherein a sampling placement cage is installed outside the extraction water pump.
3. The chemical analysis instrument sample water sampling device applied to the deep-pit running water according to claim 1, wherein the two extraction water pumps are provided, the water outlet ends of the two extraction water pumps are connected with the buffer water tank in parallel, and the two extraction water pumps are respectively connected with the electric cabinet.
4. The chemical analysis instrument sample water sampling device applied to the deep pit running water, according to claim 1, wherein the extraction water pump is placed in the sample water pool through a hoisting support, the hoisting support is installed on the sampling platform, the hoisting support comprises a group of movable pulley block supports and a group of static pulley block supports, and the movable pulley block supports and the static pulley block supports are connected with the extraction water pump through a rope.
5. The chemical analysis instrument sample water sampling device applied to the deep pit running water is characterized in that the buffer water tank is mounted on a sampling platform, the buffer water tank is sequentially provided with a sample water inlet, an overflow water return port, a sample water outlet and a sewage outlet from top to bottom, and the top of the buffer water tank is provided with an observation access hole.
6. The chemical analysis instrument sample water sampling device applied to the deep pit running water according to claim 5, wherein a second control valve and a sediment signal generator are arranged at a sewage discharge port of the buffer water tank, and the second control valve and the sediment signal generator are respectively connected with an electric cabinet.
7. The chemical analysis instrument sample water sampling device applied to the deep pit running water is characterized in that a sample water inlet of the buffer water tank is connected with an extraction water pump through a water inlet pipeline, and a third control valve is arranged on the water inlet pipeline and connected with a flow controller.
CN202022162189.8U 2020-09-28 2020-09-28 Chemical analysis instrument sample water sampling device applied to deep-pit running water Active CN212904061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022162189.8U CN212904061U (en) 2020-09-28 2020-09-28 Chemical analysis instrument sample water sampling device applied to deep-pit running water

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Application Number Priority Date Filing Date Title
CN202022162189.8U CN212904061U (en) 2020-09-28 2020-09-28 Chemical analysis instrument sample water sampling device applied to deep-pit running water

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116124522A (en) * 2022-11-17 2023-05-16 国能宿州热电有限公司 Sampling device and method for water treatment chemical analysis instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116124522A (en) * 2022-11-17 2023-05-16 国能宿州热电有限公司 Sampling device and method for water treatment chemical analysis instrument

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