CN210741977U

CN210741977U - Automatic water quality sample feeding device

Info

Publication number: CN210741977U
Application number: CN201921401608.XU
Authority: CN
Inventors: 翟志宏; 邬家龙; 简娟
Original assignee: Wuhan Junde Environmental Protection Technology Development Co ltd
Current assignee: Wuhan Junde Environmental Protection Technology Development Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-12
Anticipated expiration: 2029-08-27

Abstract

The utility model belongs to the technical field of the quality of water advances a kind technique and specifically relates to a quality of water autoinjection device, including the concatemer valve, the bottom intercommunication of concatemer valve has the waste liquid to collect the mechanism, one side of concatemer valve is connected with a plurality of feed liquor pipe, the upper end intercommunication of concatemer valve has the drain pipe, the other end intercommunication of drain pipe has the metering tube, one side fixedly connected with level sensor of metering tube, the top intercommunication of metering tube has atmospheric pressure adjustment mechanism, there is first valve one side upper end of concatemer valve through the pipe intercommunication, there is the cuvette the gas outlet of first valve through the pipe intercommunication, fixedly connected with heater strip in the cuvette, the equal fixedly connected with light in inside both sides of cuvette examines the mechanism, there is the second valve the upper end of cuvette through the pipe intercommunication. The utility model discloses simple structure is worth promoting.

Description

Automatic water quality sample feeding device

Technical Field

The utility model relates to a quality of water advances kind technical field, especially relates to a quality of water autoinjection device.

Background

In the traditional test flow, after a sample is digested and stood still, as the concentration distribution of the oxidant which does not participate in the reaction is not uniform, the colorimetric light intensity I ratio at the moment of direct measurement can generate larger measurement errors.

During the test, metering errors were caused by fluid inertia and liquid splashes were generated by the solution in the metering tube.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the solution in the metering tube generates the liquid splashing due to the fluid inertia in the prior art, and providing the automatic water quality sampling device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a quality of water autoinjection device, includes the concatemer valve, the bottom intercommunication of concatemer valve has waste liquid collection mechanism, one side of concatemer valve is connected with a plurality of feed liquor pipe, the upper end intercommunication of concatemer valve has the drain pipe, the other end intercommunication of drain pipe has the metering tube, one side fixedly connected with level sensor of metering tube, the top intercommunication of metering tube has atmospheric pressure adjustment mechanism, one side upper end of concatemer valve has first valve through the pipe intercommunication, the gas outlet of first valve has the cuvette through the pipe intercommunication, fixedly connected with heater strip in the cuvette, the equal fixedly connected with light of inside both sides of cuvette examines the mechanism, the upper end of cuvette has the second valve through the pipe intercommunication.

Preferably, the waste liquid collecting mechanism comprises a liquid discharge pipe, the liquid discharge pipe is communicated with the concatemer valve, the other end of the liquid discharge pipe is communicated with a liquid discharge valve, and a liquid outlet of the liquid discharge valve is communicated with a waste liquid collector through a conduit.

Preferably, the waste liquid collector is a glass tank.

Preferably, the air pressure adjusting mechanism comprises an air duct, the air duct is communicated with the metering tube, the other end of the air duct is fixedly connected with a peristaltic pump, and one side of the peristaltic pump is communicated with an air inlet pipe.

Preferably, the peristaltic pump is a 153yx-jbt type peristaltic pump.

The utility model provides a quality of water autoinjection device, beneficial effect lies in:

1. through mutually supporting between peristaltic pump, level sensor and the concatemer valve, instruct the liquid level up-and-down motion repeatedly, the effectual dosage metering error that has reduced "fluid inertia" and "liquid level sensing lag" and lead to still through the pressure differential at first valve and second control valve both ends, fine solution the valve open in the twinkling of an eye the pressure differential lead to the intraductal sputtering problem of measurement to the stability of autoinjection and the accurate nature of dosage measurement have been improved.

Drawings

FIG. 1 is a schematic structural view of an automatic water quality sampling device provided by the present invention;

fig. 2 is a schematic diagram of a rear view structure of the automatic water quality sampling device provided by the utility model.

In the figure: concatemer valve 1, drain pipe 2, drain valve 3, waste liquid collector 4, drain pipe 5, metering tube 6, level sensor 7, air duct 8, peristaltic pump 9, first valve 10, cuvette 11, heater strip 12, light detection mechanism 13, second valve 14, intake pipe 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a quality of water autoinjection device, including concatemer valve 1, the bottom intercommunication of concatemer valve 1 has the waste liquid to collect the mechanism, the effect of waste liquid collection mechanism is after the test, collect the residual liquid in concatemer valve 1, the waste liquid is collected the mechanism and is included fluid-discharge tube 2, fluid-discharge tube 2 intercommunication concatemer valve 1, the other end intercommunication of fluid-discharge tube 2 has flowing back valve 3, the effect of fluid-discharge valve 3 is the going on of control flowing back, the liquid outlet of fluid-discharge valve 3 has waste liquid collector 4 through the pipe intercommunication, the effect of waste liquid collector 4 is the storage waste liquid, waste liquid collector 4 is the glass jar, one side of concatemer valve 1 is connected with a plurality of feed.

The upper end intercommunication of concatemer valve 1 has drain pipe 5, the other end intercommunication of drain pipe 5 has metering tube 6, metering tube 6's effect is the volume of measuring liquid, one side fixedly connected with level sensor 7 of metering tube 6, level sensor 7's effect is the height that detects liquid, metering tube 6's top intercommunication has atmospheric pressure adjustment mechanism, atmospheric pressure adjustment mechanism's effect is the gas of adjusting in the metering tube 6, avoid opening first valve 10 after, the liquid in the metering tube 6 splashes.

Atmospheric pressure adjustment mechanism includes air duct 8, air duct 8 intercommunication metering tube 6, the other end fixedly connected with peristaltic pump 9 of air duct 8, peristaltic pump 9's effect is to ventilating in the metering tube 6 and discharging the gas in the metering tube 6, it is to crowded cuvette 11 with liquid to ventilate in the metering tube 6, peristaltic pump 9 is 153yx-jbt type peristaltic pump, one side intercommunication of peristaltic pump 9 has intake pipe 15, one side upper end of concatemer valve 1 has first valve 10 through the pipe intercommunication, the effect of first valve 10 is after opening, peristaltic pump 9 counts gas in to the metering tube 6, impress the liquid in the metering tube 6.

The gas outlet of first valve 10 has cuvette 11 through the pipe intercommunication, cuvette 11's effect is to quality of water detection, fixedly connected with heater strip 12 in cuvette 11, heater strip 12's effect is heating water, the equal fixedly connected with light in inside both sides of cuvette 11 examines mechanism 13, the effect of light examining mechanism 13 is to quality of water detection, cuvette 11's upper end has second valve 14 through the pipe intercommunication, through the pressure differential at first valve 10 and second valve 14 both ends, the effectual valve of having solved is opened the problem that liquid spatters in the pressure differential leads to the measuring pipe 6 in the twinkling of an eye.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic water quality sampling device comprises a concatemer valve (1) and is characterized in that the bottom end of the concatemer valve (1) is communicated with a waste liquid collecting mechanism, one side of the concatemer valve (1) is connected with a plurality of liquid inlet pipes, the upper end of the concatemer valve (1) is communicated with a liquid outlet pipe (5), the other end of the liquid outlet pipe (5) is communicated with a metering pipe (6), one side of the metering pipe (6) is fixedly connected with a liquid level sensor (7), the top end of the metering pipe (6) is communicated with an air pressure adjusting mechanism, the upper end of one side of the concatemer valve (1) is communicated with a first valve (10) through a conduit, the air outlet of the first valve (10) is communicated with a cuvette (11) through a conduit, a heating wire (12) is fixedly connected in the cuvette (11), two inner sides of the cuvette (11) are both fixedly connected with an optical detection mechanism (13), the upper end of the cuvette (11) is communicated with a second valve (14) through a conduit.

2. The automatic water quality sample feeding device according to claim 1, wherein the waste liquid collecting mechanism comprises a liquid discharge pipe (2), the liquid discharge pipe (2) is communicated with the concatemer valve (1), the other end of the liquid discharge pipe (2) is communicated with a liquid discharge valve (3), and a liquid outlet of the liquid discharge valve (3) is communicated with a waste liquid collector (4) through a conduit.

3. A water quality automatic sample introduction device according to claim 2, wherein the waste liquid collector (4) is a glass tank.

4. A water quality automatic sampling device according to claim 1, characterized in that the air pressure adjusting mechanism comprises an air duct (8), the air duct (8) is communicated with the metering tube (6), the other end of the air duct (8) is fixedly connected with a peristaltic pump (9), and one side of the peristaltic pump (9) is communicated with an air inlet tube (15).

5. A water quality automatic sampling device according to claim 4, characterized in that the peristaltic pump (9) is a 153yx-jbt type peristaltic pump.