CN106345758A - Washing device of COD reflux condensing tube and washing method thereof - Google Patents

Abstract

The invention discloses a washing device of COD reflux condensing tube, comprising an iron support placed on the experiment table, an N condensing tube fixed on the iron support with abreast interval, wherein the N is no less than 2, connector at the bottom of outermost condensing outer tube not connecting with silicone tube is under connection with a bipass joint, and one path of the bipass joint is connected with liquid waste collector via connecting pipe, and the liquid waste collector height is 30-50cm higher than the top condensing tube, the other path in the bipass joint is connected with faucet via water inlet, connector at the upper end of outermost condensing outer tube not connecting with silicone tube is under connection with liquid waste tank via discharging tube, water inlet and discharging tube are respectively arranged with pipe clamp. The invention further discloses a method of using the above devices to wash COD reflux condensing tube; the method recycles the detected COD acid pickle to clean condensing tube, which improves condensation effect of reflux condensed water, thus improving accuracy of COD determination.

Description

A kind of cod reflux condensation mode can washing apparatus and cleaning method

Technical field

The present invention relates to a kind of cod reflux condensation mode can washing apparatus and cleaning method.

Background technology

Cod, as common environmental factors, during laboratory batch detection, is typically titrated using potassium dichromate method Measurement, its defect is: one is the batch reflux condensate device needing to use, and connects water cooling from the beginning because this device is long-term, cold Solidifying inside pipe wall is easily enriched with filemot incrustation scale and microorganism, especially summer, and microbial growth speed is fast, can produce a large amount of Moss, both affected overall attractive in appearance, occupied condensing tube pipeline space again, and so that water flow in pipeline is reduced, had a strong impact on condensation effect Really, lead to cod result higher；Two is that titration produces substantial amounts of acid pickle；

In real work, sample size is larger, needs to ensure the cleaning of condensing units, improves the condensation effect of condensed water, improves The accuracy that cod measures, but all the time, have no a kind of low cost, simple to operate, the relevant report of the good cleaning method of effect Road.

Content of the invention

The invention provides a kind of cod reflux condensation mode can washing apparatus, this device recycling has detected the spent acid of cod Liquid carries out cleaning condensation pipeline, improves the condensation effect of reflux condensation mode water, thus improving the accuracy of cod mensure.

In order to solve the above problems, the technical solution adopted in the present invention is such, a kind of cod reflux condensing tube cleaning Device, including the iron stand being placed in laboratory table, spacing side by side is fixed on n condensing tube on iron stand, wherein, n >=2, from One side outermost condensing tube starts, the connector of its outer tube upper end pass through the first silica gel tube with next adjacent condensing tube outer tube End connector be connected, connect according to this, until penultimate condensing tube outer tube upper end connector pass through the (n-1)th silica gel tube with The connector of another side outermost condensing tube outer tube lower end is connected, the outermost condensing tube outer tube lower end not being connected with silica gel tube Connector is connected with a two-way pipe joint, and the connecting tube that leads up in this two-way pipe joint is connected with liquid waste collector, should Liquid waste collector height is higher than condensing tube the top 30-50cm, separately leads up to water inlet pipe and faucet in two-way pipe joint It is connected, the connector of the outermost condensing tube outer tube upper end not being connected with silica gel tube is connected with waste liquid pool by outlet pipe, described Water inlet pipe and outlet pipe on be respectively arranged with pipe clamp.

Preferably, described liquid waste collector passes through bracing frame institute support.

Preferably, described condensing tube is spherical condensation tube.

Present invention also offers a kind of clean cod reflux condensing tube method using said apparatus, comprise the following steps:

1) clamp in the pipe clamp by water inlet pipe, simultaneously in the case that the pipe clamp of outlet pipe is opened, enter in ground conical flask The acid pickle of row cod detection is continual to pour liquid waste collector into, using the continuity of principle of differential pressure and current, acid pickle In injection condensing tube, after acid pickle is filled to the outer tube pipeline of all condensing tubes, by the pipe clamp clamping of outlet pipe, using spent acid Liquid soaks to condensing tube；

2) after soaking, open the pipe clamp of outlet pipe, allow acid pickle to flow in waste liquid pool, then open the pipe clamp of water inlet pipe, open water Tap, is carried out to condensing tube with tap water.

Beneficial effect:

1st, improve condensation effect, cleaned by acid pickle, the moss in condensing tube and fouling are rinsed totally, in real work Simple to operation, cleaning performance is good, improves condensation effect.

2nd, improve the accuracy of cod result: the method cleaned by acid pickle, while improving condensation effect, can To improve the accuracy of cod result.

3rd, save cleaning cost: the recycling to acid pickle for the present invention, reagent zero cost, save abluent Consumption, saves laboratory cost.

Brief description

Fig. 1 is present configuration schematic diagram.

Specific embodiment

In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, should Embodiment is only used for explaining the present invention, does not constitute limiting the scope of the present invention.

Embodiment 1

Referring to Fig. 1, a kind of cod reflux condensation mode can washing apparatus, including the iron stand 2 being placed in laboratory table 1, spacing side by side is fixed 6 condensing tubes 5 on iron stand, from the beginning of outermost condensing tube, the connector of its outer tube upper end passes through the first silica gel Pipe 6 is connected with the connector of next adjacent condensing tube outer tube lower end, connects according to this, until on penultimate condensing tube outer tube The connector at end is connected with the connector of another side outermost condensing tube outer tube lower end, not with silica gel tube phase by the 5th silica gel tube The connector of outermost condensing tube outer tube lower end even is connected with a two-way pipe joint, leading up in this two-way pipe joint Connecting tube is connected with liquid waste collector 8, and this liquid waste collector 8 height is higher than condensing tube the top 30-50cm, in two-way pipe joint The water inlet pipe 10 that separately leads up to be connected with faucet (not shown in fig. 1), the condensation of the outermost that is not connected with silica gel tube The connector of pipe outer tube upper end is connected with waste liquid pool (not shown in fig. 1) by outlet pipe 11, described water inlet pipe and going out Pipe clamp 9 is respectively arranged with water pipe.Preferably, described liquid waste collector 8 is held by bracing frame (not shown in the accompanying drawings) Support, described condensing tube 5 is spherical condensation tube.

When carrying out detecting its cod to water sample, on the basis of said apparatus, the top of each condensing tube 5 is provided with The seal closure 7 of the upper end of one sealed condensating pipe, the lower section of each condensing tube 5 is provided with a ground conical flask 4, each mill It is provided with an adjustable electric furnace 3, the lower end of described condensing tube 4 is stretched in ground conical flask 4, this ground below mouth conical flask Conical flask 4 is placed on adjustable electric furnace 3, and adjustable electric furnace 3 is placed in laboratory table 1；

When cod measures, water sample is placed in ground conical flask 4, adds the oxidation of potassium dichromate method standard solution, is added using adjustable electric furnace After hot reflux, using the l ferrous ammonium sulfate solution residual titration of low concentration.

Embodiment 2

One kind cleans cod reflux condensing tube method using said apparatus, comprises the following steps:

1) clamp in the pipe clamp by water inlet pipe 10, in the case that the pipe clamp in outlet pipe 11 is opened, carried out cod detection simultaneously Acid pickle (solution in ground conical flask 4) is continual to pour liquid waste collector 8 into, coherent using principle of differential pressure and current Property, acid pickle is injected in condensing tube 5, after acid pickle is filled to the outer tube pipeline of all condensing tubes 5, by the pipe of outlet pipe 11 Folder clamping, is soaked to condensing tube 5 using acid pickle；

2) after soaking, open the pipe clamp of outlet pipe 11, allow acid pickle to flow in waste liquid pool, then open the pipe clamp of water inlet pipe 10, beat Turn on the tap, with tap water, condensing tube 5 is carried out.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims (4)

1. a kind of cod reflux condensation mode can washing apparatus are it is characterised in that include the iron stand being placed in laboratory table, spacing side by side It is fixed on n condensing tube on iron stand, wherein, n >=2, from the beginning of outermost condensing tube, the connector of its outer tube upper end It is connected with the connector of next adjacent condensing tube outer tube lower end by the first silica gel tube, connect according to this, until penultimate The connector of condensing tube outer tube upper end passes through the connector phase of the (n-1)th silica gel tube and another side outermost condensing tube outer tube lower end Even, the connector of the outermost condensing tube outer tube lower end not being connected with silica gel tube is connected with a two-way pipe joint, this bipass The connecting tube that leads up in joint is connected with liquid waste collector, and this liquid waste collector height is higher than condensing tube the top 30- 50cm, the water inlet pipe that separately leads up in two-way pipe joint is connected with faucet, the outermost condensing tube not being connected with silica gel tube The connector of outer tube upper end is connected with waste liquid pool by outlet pipe, and described water inlet pipe and outlet pipe are respectively arranged with pipe clamp.

2. according to claim 1 a kind of cod reflux condensation mode can washing apparatus it is characterised in that described liquid waste collector By bracing frame institute support.

3. according to claim 1 a kind of cod reflux condensation mode can washing apparatus it is characterised in that described condensing tube is ball Shape condensing tube.

4. utilize the method that cleaning device described in claim 1-3 any claim cleans cod reflux condensing tube, its feature exists In comprising the following steps；

1) clamp in the pipe clamp by water inlet pipe, simultaneously in the case that the pipe clamp of outlet pipe is opened, carried out the useless of cod detection Acid solution is continual to pour liquid waste collector into, using the continuity of principle of differential pressure and current, acid pickle is injected in condensing tube, After acid pickle is filled to the outer tube pipeline of all condensing tubes, the pipe clamp clamping of outlet pipe is entered to condensing tube using acid pickle Row soaks；

2) after soaking, open the pipe clamp of outlet pipe, allow acid pickle to flow in waste liquid pool, then open the pipe clamp of water inlet pipe, open water Tap, is carried out to condensing tube with tap water.