CN201293735Y

CN201293735Y - Mechanical sewerage aliquot sampling instrument

Info

Publication number: CN201293735Y
Application number: CNU2008201670208U
Authority: CN
Inventors: 金沉; 朱家华; 涂继荣; 吴周建
Original assignee: ZHEJIANG XIAO QIAO LIU SHUI ENVIRONMENT SCIENCES AND TECHNOLOGY Co Ltd
Current assignee: ZHEJIANG XIAO QIAO LIU SHUI ENVIRONMENT SCIENCES AND TECHNOLOGY Co Ltd
Priority date: 2008-11-06
Filing date: 2008-11-06
Publication date: 2009-08-19
Anticipated expiration: 2018-11-06

Abstract

A mechanical sewage equal sampling machine belongs to the technical field of sewage sampling device, which is characterized in that a pretreatment device and a low temperature chamber are mounted in a cabinet; the pretreatment device is connected with a water inlet tube; the bottom is provided with a drainage tube and is connected with the pipeline of a water sample equal division mounted in the low temperature chamber, via a wriggle pump connected by a microcomputer controller in controlled type; the water sample equal division device comprises an upper gear and a lower gear meshed with each other; the upper gear and the lower gear are respectively sheathed on an upper gear shaft and a lower gear shaft; the front end of the lower gear shaft is provided with a hanger frame whose two ends are respectively provided with a sampling bottle; two lower ports of a three-way tube hanged at the front end of the upper gear shaft are respectively connected with the pipeline of the sampling bottles, while the upper port is connected with the outlet end of the wriggle pump. The mechanical sewage equal sampling machine completely mixes sewage samples before sampling and stores sample at low temperature, to improve the representative property and stability of sewage sample, has accurate sampling and measurement, can automatically and equally divide sample, automatically sampling and cleaning, has simple operation, reduced sampling workload, reduced time and labor strength, and can improve working efficiency.

Description

Branch sampling instruments such as mechanical type sewage

Technical field

The utility model belongs to sewage sampling apparatus technical field, is specifically related to a kind of branch sampling instruments such as mechanical type sewage that are suitable for the sewage draining exit spot sampling.

Background technology

The production and operation of industries such as chemical industry, papermaking, printing and dyeing, generating have produced serious water environment pollution, environment supervision law enforcement agency need monitor the emission behaviour of the corresponding enterprise that produces water environment pollution, obtain real-time sewage sample, because the numerous needs of number of the enterprise that discharge pollutants expend huge manpower, and the day site environment benefit of contaminating enterprises is abominable, can realize that automatic sampling apparatus real-time or timing has become the striving direction of improving sampling pattern.The equal proportion sampling device occurs and drops into and use accordingly in the market, such equal proportion sampling device is that sampling mixes again earlier substantially, mainly, the sampling measuring cup obtains the equal proportion sample by being set, so-called sampling measuring cup is provided with level switch exactly on measuring cup, reach setting sampling quantity triggering level switch and just finish sampling quantity one time, measure accurate inadequately, and there is not automatic equipartition device, be used as the evidence back-up and need to keep a sample in the real work, the words that do not have equipartition device, need the staff to divide the sample bottling to the sewage sample, program is comparatively complicated.

The utility model content

The utility model aims to provide a kind of equilibrium principle of utilizing balance, by mechanical engagement transmission control sampling flow, realize the branch sampling instrument technical schemes such as mechanical type sewage of sewage halving sampling, to overcome problems of the prior art.

Branch sampling instruments such as described mechanical type sewage, comprise rack and microcomputerized controller, it is characterized in that installing in the rack pretreatment unit and low temperature chamber are set, the pretreatment unit entrance point is connected with water inlet pipe, the bottom connection is provided with drainpipe, endpiece is by being connected with branch device input port pipelines such as water sample in being installed in low temperature chamber by the peristaltic pump of microcomputerized controller control linkage, branch devices such as described water sample comprise intermeshing cogging, lower gear, cog and lower gear be socketed in respectively cog the axle and the lower tooth wheel shaft on, the connection of lower tooth wheel shaft front end is provided with hanger, the hanger two ends are equipped with sampling bottle respectively, a front end that cogs articulates three-way pipe is set, two end openings of three-way pipe are connected with the sampling bottle pipeline respectively, and the suitable for reading and peristaltic pump output terminal pipeline of three-way pipe is connected.

Branch sampling instruments such as described mechanical type sewage is characterized in that being equipped with on the rack GPRS module that is used for receiving remote control center sampled signal, GPRS module and microcomputerized controller circuit control linkage.

Branch sampling instruments such as described mechanical type sewage is characterized in that being equipped with in the described pretreatment unit level switch by the microcomputerized controller control linkage, and the run-down pipe that is connected with the drainpipe pipeline.

Branch sampling instruments such as described mechanical type sewage is characterized in that a described last axle bearing by forward and backward setting that cogs is installed in forward and backward end cap internal upper part, and the lower tooth wheel shaft is installed in bottom in the forward and backward end cap by the lower shaft bearing of forward and backward setting.

Branch sampling instruments such as described mechanical type sewage, it is characterized in that being equipped with into water motorized valve, suction pump on described and the water inlet pipe that the pretreatment unit entrance point is connected, water inlet motorized valve, suction pump are respectively by relay control interface and microcomputerized controller circuit control linkage.

Branch sampling instruments such as described mechanical type sewage is characterized in that being equipped with the water outlet motorized valve on the described drainpipe that is connected bottom pretreatment unit, and the water outlet motorized valve is by relay control interface and microcomputerized controller circuit control linkage.

Branch sampling instruments such as described mechanical type sewage is characterized in that described peristaltic pump is by relay control interface and microcomputerized controller circuit control linkage.

Branch sampling instruments such as described mechanical type sewage is characterized in that described hanger is "T"-shaped structure, and straight bar part upwards is socketed on the lower tooth wheel shaft, the equidistant sampling bottle that hangs in cross bar part both sides.

Be connected by flexible pipe respectively between the branch sampling instruments such as described mechanical type sewage, two end openings that it is characterized in that three-way pipe and sampling bottle.

Above-mentioned branch sampling instrument modern designs, rational in infrastructure such as mechanical type sewage, the sewage sample fully mixes and the cryopreservation sample before the sampling, improved the representative and stable of water sample, sampling accurate measurement and automatic five equilibrium, and whole device is by microcomputerized controller control sampling automatically, cleaning, easy and simple to handle, reduction sampling work amount are saved time and energy, increase work efficiency.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the side-looking structural representation of branch devices such as described water sample.

Among the figure: the 1-water inlet pipe, the 2-drainpipe, the 3-suction pump, 4-water outlet motorized valve, the 5-motorized valve of intaking, 6-relay control interface, the 7-run-down pipe, the 8-pretreatment unit, the 9-level switch, the 10-microcomputerized controller, the 11-peristaltic pump, the 12-GPRS module, the last shelf of 13-, 14-cogs, the 15-end cap, the 16-axle that cogs, the 17-three-way pipe, 18-lower tooth wheel shaft, the 19-lower gear, the 20-hanger, the 21/21a-sampling bottle, branch devices such as 22-water sample, the 23-low temperature chamber, shelf under the 24-, the 25-rack, the last axle bearing of 26-, the 27-lower shaft bearing.

Embodiment

Now, describe embodiment of the present utility model in detail in conjunction with Figure of description:

As shown be branch sampling instruments such as mechanical type sewage, rack 25 becomes three zones, upper, middle and lower by last shelf 13, following shelf 24 with space segmentation, rack 25 top area install be provided with microcomputerized controller 10 and with peristaltic pump 11, the GPRS module 12 of its circuit control linkage, GPRS module 12 is used for the sampled signal of receiving remote control center.The central region of rack 25 is installed pretreatment unit 8, low temperature chamber 23 is set, and is equipped with branch devices 22 such as water sample in the low temperature chamber 23.Pretreatment unit 8 is used for the gas of draining-off sewage, separate the solid waste in the sewage, guarantee to gather the quality of water sample, entrance point is connected with water inlet pipe 1 by water inlet motorized valve 5, be equipped with suction pump 3 on the water inlet pipe 1 before the water inlet motorized valve 5, suction pump 3 places the lower region of rack 19, and water inlet motorized valve 5, suction pump 3 are respectively by relay control interface 6 and microcomputerized controller 10 circuit control linkages; The connection of pretreatment unit 8 bottoms is provided with drainpipe 2, is equipped with water outlet motorized valve 4 on the drainpipe 2, and water outlet motorized valve 4 is by relay control interface 6 and microcomputerized controller 10 circuit control linkages; Be equipped with level switch 9 in the pretreatment unit 8 by microcomputerized controller 10 control linkages, and the run-down pipe 7 that is connected with drainpipe 2 pipelines, level switch 9 is a signal triggering device, if still indicate lack of water through one section time of pumping process level switch 9, the expression flow is too small, this moment, sampling instrument was not sampled, to avoid unreliable sampled result; If be triggered at this section period level switch 9, microcomputerized controller 10 control suction pumps 3 motorized valve 5 that stops, intaking cuts out, and represents that sewage sample to be sampled is ready to; Before sampling action was finished, water outlet motorized valve 4 cut out always, opened water outlet motorized valve 4 after each sampling finishes and bled off sewage; The connection of pretreatment unit 8 endpiece is provided with peristaltic pump 11, peristaltic pump 11 is by relay control interface 6 and microcomputerized controller 10 circuit control linkages, extract the water sample of constant flow rate or flow by constant rotating speed, usually under the condition of constant rotational speed, can obtain required sampling quantity by the working time of setting peristaltic pump 11, its output terminal branch devices such as water sample 22 input port pipelines interior with being installed in low temperature chamber 23 are connected.Branch devices 22 such as water sample comprise intermeshingly cog 14, lower gear 19, cog 14, lower gear 19 is socketed in respectively on cog axle 16, the lower tooth wheel shaft 18, the axle 16 last axle bearings 26 by forward and backward setting that cog are installed in forward and backward end cap 15 internal upper parts, and lower tooth wheel shaft 18 is installed in bottom in the forward and backward end cap 15 by the lower shaft bearing 27 of forward and backward setting; The connection of lower tooth wheel shaft 18 front ends is provided with hanger 20, and hanger 20 is "T"-shaped structure, and straight bar part upwards is socketed on the lower tooth wheel shaft 18, equidistant sampling bottle 21, the 21a of hanging in cross bar part both sides; Axle 16 front ends that cog articulate three-way pipe 17 are set, three-way pipe 17 adopts light glass tube or the plastic tube of quality, two end openings of three-way pipe 17 are connected with two

sampling bottles

21,21a pipeline by flexible pipe respectively, and the suitable for reading and peristaltic pump 11 output terminal pipelines of three-way pipe 17 are connected.Branch devices 22 such as water sample place in the low temperature chamber 23, can keep gathering the sewage sample not because of the deterioration failure of temperature height, guarantee the stability of water sample.

When beginning to sample, peristaltic pump 11 counter-rotating is finished the automatic cleaning to pipeline remaining between peristaltic pump 11 and the three-way pipe 17 the sewage back suction in the connecting line last time in pretreatment unit 8.Open into water motorized valve 5 then, start suction pump 3 water inlet samples simultaneously in pretreatment unit 8, unnecessary overflowing from run-down pipe 7 flows into drainpipe 2; If do not reach the liquid level of setting in the pretreatment unit 8, level switch 9 can not be triggered, and can't start peristaltic pump 11 and sample; After operation treats that water sample fully a period of time, water inlet motorized valve 5 cuts out, suction pump 3 quits work, level switch 9 is triggered and starts peristaltic pump 11 just to be changeed, in pretreatment unit 8, extract water sample, the three-way pipe 17 of branch devices 22 such as the water sample elder generation inflow water sample that extracts, flow into sampling bottle 21 respectively by flexible pipe then, 21a, when two sampling bottle sampling bottles 21 occurring, when the water sample amount of 21a is unequal, hanger 20 deflects, drive lower gear 19 along a heavier sideway swivel, drive cogging of its engagement and 14 do opposite spin, lighter sampling bottle one side of 14 drive three-way pipes, 17 deflections that cog, the sewage of sampling this moment is understood more multithread by three-way pipe 17 and is gone in the lighter sampling bottle, along with two sampling bottles 21, the water sample amount difference of 21a gradually reduces, hanger 20, three-way pipe 17 is backward rotation progressively, equate to return to the normal position until both sides, by this feedback mechanism, guarantee sampling bottle 21, the sewage sample equates in the 21a, and by the lower gear 19 of selecting the different radii ratio for use, cog 14, can change the intensity of retroactive effect.After sampling is finished, open water outlet motorized valve 4, the sewage in the pretreatment unit 8 is discharged.

Claims

1. branch sampling instrument such as mechanical type sewage, comprise rack (25) and microcomputerized controller (10), it is characterized in that installing in the rack (25) pretreatment unit (8) and low temperature chamber (23) are set, pretreatment unit (8) entrance point is connected with water inlet pipe (1), the bottom connection is provided with drainpipe (2), endpiece is by being connected by the peristaltic pump (11) of microcomputerized controller (10) control linkage branch device (22) the input port pipelines such as water sample interior with being installed in low temperature chamber (23), branch devices (22) such as described water sample comprise intermeshing cogging (14), lower gear (19), cog (14) and lower gear (19) is socketed in respectively on cog axle (16) and the lower tooth wheel shaft (18), the connection of lower tooth wheel shaft (18) front end is provided with hanger (20), hanger (20) two ends are equipped with sampling bottle (21 respectively, 21a), axle (16) front end that cogs articulates three-way pipe (17) is set, two end openings of three-way pipe (17) respectively with sampling bottle (21,21a) pipeline connects, and suitable for reading and peristaltic pump (11) the output terminal pipeline of three-way pipe (17) is connected.

2. branch sampling instruments such as mechanical type sewage as claimed in claim 1 is characterized in that being equipped with on the rack (25) the GPRS module (12) that is used for receiving remote control center sampled signal, GPRS module (12) and microcomputerized controller (10) circuit control linkage.

3. branch sampling instruments such as mechanical type sewage as claimed in claim 1 is characterized in that being equipped with in the described pretreatment unit (8) level switch (9) by microcomputerized controller (10) control linkage, and the run-down pipe (7) that is connected with drainpipe (2) pipeline.

4. branch sampling instruments such as mechanical type sewage as claimed in claim 1, it is characterized in that the described last axle bearing (26) of axle (16) by forward and backward setting that cog is installed in forward and backward end cap (15) internal upper part, lower tooth wheel shaft (18) is installed in the interior bottom of forward and backward end cap (15) by the lower shaft bearing (27) of forward and backward setting.

5. branch sampling instruments such as mechanical type sewage as claimed in claim 1, it is characterized in that being equipped with into water motorized valve (5), suction pump (3) on described and the water inlet pipe (1) that pretreatment unit (8) entrance point is connected, water inlet motorized valve (5), suction pump (3) are respectively by relay control interface (6) and microcomputerized controller (10) circuit control linkage.

6. branch sampling instruments such as mechanical type sewage as claimed in claim 1, it is characterized in that being equipped with water outlet motorized valve (4) on the described drainpipe (2) that is connected bottom pretreatment unit (8), water outlet motorized valve (4) is by relay control interface (6) and microcomputerized controller (10) circuit control linkage.

7. branch sampling instruments such as mechanical type sewage as claimed in claim 1 is characterized in that described peristaltic pump (11) is by relay control interface (6) and microcomputerized controller (10) circuit control linkage.

8. branch sampling instruments such as mechanical type sewage as claimed in claim 1 is characterized in that described hanger (20) for "T"-shaped structure, and straight bar part upwards is socketed on the lower tooth wheel shaft (18), and cross bar part both sides are equidistant to hang sampling bottle (21,21a).

9. branch sampling instruments such as mechanical type sewage as claimed in claim 1, two end openings that it is characterized in that three-way pipe (17) and sampling bottle are connected by flexible pipe respectively between (21,21a).