CN215492615U - Water sampling device of marine environment on-line monitoring system - Google Patents

Abstract

The utility model relates to a water sampling device of an online marine environment monitoring system, which comprises an installation platform, a water sampling pump and a floating device, wherein the water sampling pump is used for sampling a water sample and is connected with a water sampling pipeline; the water collecting pump is arranged on the floating device; the floating device is used for providing buoyancy, so that a water collecting pump arranged on the floating device fluctuates along with tides and is always kept at a certain distance below the water surface, and a water sample meeting the requirements of ocean monitoring standards is collected; and a heavy object is arranged below the mounting platform, the mounting platform is connected with the heavy object through a rigid or flexible connecting device, and the floating device can move up and down along the connecting device without departing from the connecting device. The water sampling device has small volume, simple structure and easy assembly; two steel wire ropes and a heavy object are used as tools for fixing the position of the floating device, the installation and site selection are flexible, the conditions can be adjusted according to actual conditions, the construction period is short, and the construction cost is low.

Description

Water sampling device of marine environment on-line monitoring system

Technical Field

The utility model relates to the technical field of marine environment online monitoring, in particular to a water sampling device for a marine environment online monitoring system.

Background

In recent years, the continuous aggravation of marine environmental pollution causes huge pressure on marine ecological environment. The nation strengthens the attention on the marine environment protection, supports the marine development strategy and promotes the rapid development of marine water quality monitoring. Traditional marine environment monitoring needs personnel to go out to sample at fixed points, brings laboratory analysis, and is consuming time and labor, can only test the data of a certain time point, and monitoring means is single, monitoring frequency is lower, monitoring range is limited, monitoring process consumes time longer, quick monitoring ability is not enough, and frequency, scope, the ageing of acquireing marine ecological environment key element information can't satisfy the demand of marine ecological environment protection and social economic development.

Compared with the traditional marine ecological environment monitoring technology, the on-line automatic monitoring technology has the technical advantages of obvious real-time performance, continuity, small influence by natural conditions and the like, but has certain restriction on the application of the on-line water quality monitoring technology of the marine environment. The main reasons for this are: 1. according to the working thought of 'one station multiple functions' of the national oceanic administration, the current ocean environment on-line monitoring system is constructed by adopting platforms such as a shore foundation, a seabed foundation pile and the like, wherein most of the platforms are tide checking stations, matched conditions such as a water production well and the like are not provided for the ocean environment on-line monitoring system, the ocean environment on-line monitoring system can only be placed into a tide checking well or a water production device is additionally installed, a water production cable and a pipeline are entangled with a tide checking instrument cable in the well when the tide checking well is used, and meanwhile, the water production equipment can interfere the work of the tide checking instrument; 2. at present, trestle type, cable car type, fixed pile type, floating ship type and other water collection modes exist in the market, but the problems of high site selection difficulty, long construction period, high construction cost and the like exist under the influence of field conditions, and meanwhile, the problems of high requirements on working environment, high later maintenance difficulty, high cost and the like exist under the influence of severe sea conditions.

Chinese patent with application number CN201720645680.1 discloses a tide level self-adaptive water sample collecting device, which is characterized in that: the self-adaptive sea-shore power station comprises a tide level self-adaptive winch, a water pipe reeling device and a cable pipe reeling device which are arranged on a shore base, and further comprises a floating body arranged in sea water and a submersible pump fixed at the lower end of the floating body, wherein a steel wire rope on the tide level self-adaptive winch is connected with the floating body, a water pipe in the water pipe reeling device is connected with a water outlet of the submersible pump, a cable in the cable pipe reeling device is electrically connected with the submersible pump, and the tide level self-adaptive winch comprises a reeling device and a power unit. The utility model has the advantages that the winding of the steel wire rope, the water pipe and the cable is avoided by the mechanical action of the coil spring in the winding drum, the water pipe reeler and the cable reeler, meanwhile, the utility model is not influenced by water level, a water sample with fixed water depth from the water surface is adopted uninterruptedly, and the submersible pump, the water pipe, the cable and the steel wire rope are convenient to maintain.

Above-mentioned patent realizes that the water pump water inlet remains throughout at certain distance from the surface of water to water pipe, cable and wire rope remain the state of tightening throughout, avoid winding phenomenon to take place. However, the above patent cannot solve the problem that the water collecting floating body and the water pump are easy to float freely under the action of wind waves and water currents under the condition of no protection of a water collecting well and the like. Meanwhile, the device has the disadvantages of complex structure, large occupied area and inconvenient maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water collecting device and a water collecting method of an online marine environment monitoring system, which are flexible in site selection and simple in assembly.

In order to solve the technical problem, the water sampling device of the marine environment on-line monitoring system comprises a water sampling pump and a floating device, wherein the water sampling pump is used for sampling a water sample and is connected with a pipeline; the water collecting pump is arranged on the floating device; the floating device is used for providing buoyancy, so that the water collecting pump arranged on the floating device fluctuates along with the tide and is always kept at a certain distance below the water surface; and a heavy object is arranged below the floating device, a connecting device with the upper end fixed is arranged on the heavy object, the connecting device is rigid or flexible, and the floating device can move up and down along the connecting device without separating from the connecting device.

Through setting up the heavy object, make flotation device reciprocate along connecting device, connecting device can start the fixed action to flotation device, can avoid flotation device to float at will under stormy waves, rivers effect, only along with the fluctuation of tide level.

The weight is placed on the water bottom.

The bottom of the weight is provided with a gripping device which can grip the water bottom.

The gripping device is a plurality of ground-gripping thorns. The bottom of the heavy object is provided with a plurality of ground grabbing thorns which penetrate into the water bottom, so that the heavy object does not move along with tide, and the upper end of the steel wire rope is connected with the platform to keep the steel wire rope tight.

The floating device is provided with a sleeve joint device which can be sleeved on the connecting device and can move up and down along the connecting device.

The sleeving device is a hanging ring or a hanging hook.

The floating device comprises a floating body, an upper fixed plate and a lower fixed plate, the water sampling pump is installed on the lower fixed plate, and the upper fixed plate is fixedly connected with the lower fixed plate.

The connecting device is a steel wire rope.

The upper end of the connecting device is fixedly arranged on the fixed seat.

The water collecting device for the marine environment on-line monitoring system comprises any one or combination of the following characteristics,

(a) a filter screen is arranged at the water inlet of the water extraction pump;

(b) a filter screen is arranged at the water inlet of the water extraction pump, and the filter screen is made of brass, red copper or copper alloy containing more than 65% of copper;

(c) the water extraction pump is a centrifugal pump or a diaphragm pump;

(d) the pipeline is a double-row spring pipe, one of the double-row spring pipe is used for placing a cable, and the other of the double-row spring pipe is used as a water pipe.

After adopting such structure, the utility model has the following beneficial effects:

(1) the water sampling device has small volume, simple structure and easy assembly;

(2) two steel wire ropes and a heavy object are used as tools for fixing the position of the floating body, the installation and site selection are flexible, the conditions can be adjusted according to actual conditions, the construction period is short, and the construction cost is low;

(3) the spiral double-row pipe is used as a channel of the water pipe and the cable, so that the floating body is firm and reliable, the water pipe and the cable are prevented from being in a tight state under the condition that the floating body floats up and down along with the tide level, the floating body and the tide level are prevented from being wound with each other, meanwhile, a water collecting port adopts a copper filter screen, the maintenance period is prolonged, and the fault occurrence rate is reduced;

(4) the two ends of the floater provided with the water sampling pump are additionally provided with the hanging rings, and the water sampling pump can float up and down along with the tide level at the fixed position of the steel wire rope, so that the water sampling level meets the requirements of ocean monitoring standards.

(5) The water-collecting lift can reach 60 meters.

The foregoing description is only an overview of the technical solutions of the present application, so that the technical means of the present application can be more clearly understood and the present application can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present application more clearly understood, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals.

Fig. 1 is a schematic structural diagram of a water collecting device of the marine environment on-line monitoring system.

Fig. 2 is a schematic view of the structure of the floating device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "the embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrase "one embodiment" or "the present embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

As shown in fig. 1 to 2, the water sampling device of the marine environment on-line monitoring system of the utility model comprises an installation platform, a water sampling pump 6 and a floating device 5, wherein the water sampling pump is used for sampling water samples and is connected with a pipeline; the water extraction pump 6 is arranged on the floating device 5; the floating device 5 is used for providing buoyancy, so that the water collecting pump 6 arranged on the floating device 5 fluctuates with the tide and is always kept at a certain distance below the water surface; a heavy object 8 is arranged below the mounting platform, the mounting platform is connected with the heavy object 8 through a rigid or flexible connecting device, and the floating device 5 can move up and down along the connecting device without departing from the connecting device.

The connecting device is a steel wire rope 9, and the connecting device can also be a cable chain or a chain, or can also be a rigid connecting rod, preferably a steel wire rope. The lower end of the steel wire rope 9 is connected with a weight 8, and the steel wire rope 9 is tensioned, so that the device cannot shake left and right along with water flow.

Through setting up heavy object 8 below mounting platform, make flotation device 5 reciprocate along wire rope 9, wire rope 9 can start the fixed action to flotation device, can avoid flotation device to float at will under stormy waves, rivers effect, only float along with the tide level from top to bottom.

The mounting platform comprises a platform 3 and a fixing seat 1, wherein the fixing seat 1 is fixed by a support 2, and the fixing seat 1 is connected with the upper end of a pipeline 4.

The weight 8 may be placed on the water bottom or not. If the water depth is too large, the wire rope 9 may not extend to the sea bottom, and the current of seawater is difficult to shake the whole device under the gravity of the weight 8.

The bottom of the weight 8 is provided with a gripping device which can grip the water bottom. The gripping means is provided with ground-gripping barbs 81. The bottom of the heavy object 8 is provided with a plurality of ground grabbing thorns 81 which go deep into the water bottom, so that the heavy object 8 does not move along with tide, and the upper end of the steel wire rope 9 is connected with the platform to keep the steel wire rope 9 tight. The gripping means may also be hooks, as long as they are able to grip the weight to the sea bottom.

The floating device 5 comprises a floating body 53, an upper fixing plate 51 and a lower fixing plate 56, the water collecting pump 6 is installed on the lower fixing plate 56 through a water pump bracket 55, and the water pump bracket 55 and the lower fixing plate 56 can be integrated or can be fixedly installed together in a split mode. The upper fixing plate 51 and the lower fixing plate 56 are fixedly connected. The floating device 5 is provided with a sleeve device which can be sleeved on the connecting device. The sleeving device is a hanging ring 52 or a hanging hook. The hanging ring 52 may be welded to the upper fixing plate 51.

The water collecting device for the marine environment on-line monitoring system comprises any one or combination of the following characteristics,

a filter screen 7 is arranged at the water inlet of the water extraction pump 6;

a filter screen 7 is arranged at the water inlet of the water extraction pump 6, and the filter screen is made of brass, red copper or copper alloy containing more than 65% of copper; the water extraction pump is a centrifugal pump or a diaphragm pump;

the pipeline 4 is a double-row spring pipe, one of the double-row spring pipe is used for placing a cable, and the other of the double-row spring pipe is used as a water pipe.

The utility model also relates to an installation method of the water collecting device for the marine environment on-line monitoring system, which is characterized by comprising the following steps: comprises the following steps of (a) carrying out,

the method comprises the following steps: the same ends of a plurality of brackets 2 are fixed on the platform 3, the fixing plate 1 is fixed at the other ends of the brackets 2, and the used plates and fixing pieces are all made of 316L stainless steel. The step mainly determines the water collecting position below the fixed seat 1 and the switching position of the pipeline 4.

Step two: one ends of two steel wire ropes 9 are fixed with a heavy object 8, the heavy object 8 is thrown to the seabed, the bottom of the heavy object 8 with a plurality of ground grabbing thorns is in direct contact with the seabed, more heavy objects 8 are thrown, the heavy object 8 is ensured not to move along with the scouring of sea waves, and meanwhile, the heavy object 8 is kept to be positioned under a fixing plate. The other ends of the two steel wire ropes 9 are fixed with the platform, the steel wire ropes 9 are kept tight and are in a vertical parallel state, and the thrown floating device 5 can slide up and down along the two steel wire ropes 9. The steel wire rope 9, the weight 8 and the fixing piece are all made of 316L stainless steel.

Step three: the upper fixing plate 51, the lower base plate 56 and the water pump bracket 55 are fixed by pressing the floating body 53 through the fastening bolt 54, the hanging ring 52 is installed on the upper fixing plate 51, the water collecting pump 6 is fixed on the lower base plate 56 and the water pump bracket 55, and the filter 7 is installed on the water collecting pump 6. This step mainly determines the installation of the floating device 5. The upper fixing plate 51, the lower base plate 56, the water pump bracket 55, the fixing member 54 and the like are all made of 316L stainless steel, and the floating body 53 is made of high-density sponge with high elasticity, ageing resistance and non-water absorption characteristics.

Step four: the cable of the water sampling pump 6 is inserted into one pipe orifice at one end of the double-row spring pipe and penetrates out from the other end, and the water outlet end of the water sampling pump is connected with the other pipe orifice at one end of the double-row spring pipe into which the cable penetrates. The double row of spring tubes are threaded out and fixed with the flotation device 5.

Step five: the floating device 5 connected with the water pump 6 and the cable penetrates into the two steel wire ropes 9 and then descends to the water surface along the gravity direction, the other end of the double-row spring pipe with the water pipe and the cable penetrates out of the fixing plate and then is fixed, and the water sampling device can be used after the pipeline and the cable are connected with the marine environment on-line monitoring system.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention in any way, so that any person skilled in the art can make changes or modifications to the equivalent embodiments using the above disclosure. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the present invention, unless they depart from the technical spirit of the present invention.

Claims (10)

1. A water collecting device of an on-line monitoring system for marine environment comprises a water collecting pump and a floating device,

the water sampling pump is used for collecting a water sample and is connected with a pipeline;

the water collecting pump is arranged on the floating device;

the floating device is used for providing buoyancy, so that the water collecting pump arranged on the floating device fluctuates along with the tide and is always kept at a certain distance below the water surface;

the method is characterized in that: and a heavy object is arranged below the floating device, a connecting device with the upper end fixed is arranged on the heavy object, the connecting device is rigid or flexible, and the floating device can move up and down along the connecting device without separating from the connecting device.

2. The water sampling device of the marine environment on-line monitoring system according to claim 1, characterized in that: the weight is placed on the water bottom.

3. The water sampling device of the marine environment on-line monitoring system according to claim 2, characterized in that: the bottom of the weight is provided with a gripping device which can grip the water bottom.

4. A water sampling device of an on-line marine environment monitoring system according to claim 3, wherein: the gripping means are ground engaging barbs that are inserted into the sea floor when the weight contacts the sea floor.

5. The water sampling device of the marine environment on-line monitoring system according to any one of claims 1 to 4, wherein: the floating device is provided with a sleeve joint device which can be sleeved on the connecting device and can move up and down along the connecting device.

6. The water sampling device of the marine environment on-line monitoring system according to claim 5, wherein: the sleeving device is a hanging ring or a hanging hook.

7. The water sampling device of the marine environment on-line monitoring system according to claim 6, wherein: the floating device comprises a floating body, an upper fixed plate and a lower fixed plate, the water sampling pump is installed on the lower fixed plate, and the upper fixed plate is fixedly connected with the lower fixed plate.

8. A water sampling device of an on-line marine environment monitoring system according to claim 6 or 7, wherein: the connecting device is a steel wire rope.

9. The water sampling device of the marine environment on-line monitoring system according to claim 8, wherein: the upper end of the connecting device is fixedly arranged on the fixed seat.

10. The water sampling device of the marine environment on-line monitoring system according to claim 9, wherein: including any one or combination of the following features,

(a) a filter screen is arranged at the water inlet of the water extraction pump;

(b) the water extraction pump is a centrifugal pump or a diaphragm pump;

(c) the pipeline is a double-row spring pipe, one of the double-row spring pipe is used for placing a cable, and the other of the double-row spring pipe is used as a water pipe.

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