CN202107585U - Purification device of circulation cooling water - Google Patents

Abstract

A purification device of circulation cooling water belongs to the technical field of hot rolling production line equipment and is used for solving the problem that cooling pure water of a high-power transmission device can not run normally due to excessive electric conductivity. The technical scheme is that the purification device of the circulation cooling water is composed of a water pump, a water tank, a main ion exchanger, an auxiliary ion exchanger, a resistance value detector, a manual valve and an electric valve. The manual valve is installed on a water outlet pipeline of the water tank, and a water outlet pipeline of the manual valve is connected to a water pump motor, the main ion exchanger, the auxiliary ion exchanger, the resistant value detector and a water outlet electric valve in sequence. A water outlet pipeline connected to the water outlet electric valve is communicated with a frequency converter pure water cooling device. The purification device of the circulation cooling water can discharge all existing water in the pure water cooling device, repeatedly flushes an inner circulation water pipeline, and further conducts reproduction of the pure water so as to ensure the quality of the pure water. The purification device of the circulation cooling water conducts self-detection through a frequency converter and starts the water pump motor through a relay, thereby enabling the purification device to be operated.

Description

A kind of refining plant of recirculated cooling water

Technical field

The utility model relates to a kind of water coolant that the hot rolling line big-power transducer is used and purifies, and to reduce the device of water coolant electric conductivity, belongs to the hot rolling line equipment technical field.

Background technology

In the metallurgy industry hot rolled strip is produced; Water-cooling pattern is mainly adopted in the cooling of high-power transmission apparatus; The water-cooled unit provides the internal recycle water coolant to the main circuit power components and parts; Heat and outer circulation water coolant that power component is produced carry out heat exchange, and internally recirculated cooling water constantly purifies.Therefore, the electric conductivity of pure water directly influences the work-ing life of frequency transformer internal power components and parts.In process of production, the circulate cooling water inside specific conductivity raises gradually, often causes great industrial accidents such as on-the-spot heap steel, pressure roller, is the bottleneck that the operation of metallurgy industry frequency transformer is difficult to tend towards stability always; And the frequent change ion-exchanger, change pure water and can not tackle the problem at its root, and produce bigger maintenance cost.

Pure water receives the influence of illumination, temperature etc. at aspects such as transportation, storages; Variation has taken place in specific conductivity with before dispatching from the factory; But because the technological difference of metallurgy industry frequency transformer and pure water manufacturing, pure water conductivity becomes a key factor of restriction frequency transformer smooth running always.Therefore design a cover pure water and make refining plant, the electric conductivity that reduces pure water is very urgent task.

The utility model content

The utility model technical problem to be solved provides a kind of refining plant that can solve the cooling pure water of high-power transmission apparatus because of the too high recirculated cooling water that can't run well of electric conductivity.

The technical scheme that solves the problems of the technologies described above is:

A kind of refining plant of recirculated cooling water; It is made up of water pump, water tank, main ion interchanger, auxilliary ion-exchanger, resistance value detector, manually-operated gate, motorized valve; On the outlet conduit of water tank manually-operated gate is installed; Manually-operated gate water outlet pipeline is connected to pump motor, main ion interchanger, auxilliary ion-exchanger, resistance value detector and water outlet motorized valve successively, and the water outlet pipeline that the water outlet motorized valve connects is connected with the frequency transformer pure water cooler.

The refining plant of above-mentioned recirculated cooling water increases a relay K in the frequency transformer cabinet, the trip switch of relay K is connected with the output signal of DO template in the frequency transformer cabinet, and the normally open contact K-1 of relay K is connected in the startup loop of pump motor.

The refining plant of above-mentioned recirculated cooling water, said water tank have two water inlets, and the water outlet pipeline that one of them water inlet is connected with the water outlet motorized valve is connected.

The utility model can be discharged the whole Chen Shui in the frequency transformer pure water cooler, and can wash repeatedly inner circulating water pipeline, has solved internal recycle water and has discharged not thoroughly, influences problems such as water quality, inner-walls of duct residue; The utility model can also be made pure water again, guarantees the pure water quality; Detect through frequency transformer self when moving automatically, when electric conductivity is higher than set(ting)value, can this device is sealed in the pure water circulation loop and start pump motor, make the refining plant operation through relay K.

Description of drawings

Fig. 1 be the utility model the one-piece construction synoptic diagram;

Mark is following among the figure:water tank 1, water inlet 2, main ion interchanger 3, auxilliary ion-exchanger 4,resistance value detector 5, water inlet motorized valve 6, water outlet motorized valve 7, manually-operated gate 8, pump motor 9,frequency transformer 10,DO template 11, pure waterinternal recycle 12, relay K, relay normally open contact K-1.

Embodiment

The utility model is made up of water pump,water tank 1, main ion interchanger 3, auxilliary ion-exchanger 4,resistance value detector 5, manual valve 8, motorized valve.

Show among the figure; Manually-operated gate 8 is installed on the outlet conduit ofwater tank 1; Manually-operated gate 8 water outlet pipelines are connected to pump motor 9, main ion interchanger 3, auxilliary ion-exchanger 4,resistance value detector 5 and water outlet motorized valve 7 successively, and the water outlet pipeline that water outlet motorized valve 7 connects is connected with the frequency transformer pure water cooler.

Show among the figure; Infrequency transformer 10, increase a relay K; The output signal of theDO template 11 in the trip switch of relay K and the frequency transformer is connected; Relay K gets electric back output electrical signal control water inlet motorized valve 6 and water outlet motorized valve 7 is opened it, and the normally open contact K-1 of relay K is connected in the startup loop of pump motor 9.

Show among the figure thatwater tank 1 has two water inlets 2, one of them water inlet 2 is equipped with water inlet motorized valve 6, and the water outlet pipeline that this water inlet 2 is connected with water outlet motorized valve 7 is connected.

The utility model in use can adopt and manually add water and two kinds of patterns of self-purging.

Manually add water:

1, force relay K to get;

2, the pure water in thoroughly discharging in the transmission apparatus water-cooled unit.In the prior art, the pure water in the normal circumstances underdrive equipment internal recycle waterpipe can't thoroughly be discharged, and remaining pure water is arranged all the time, with the water quality that influences the new clothes pure water in the pipeline.The water outlet pipeline of the utility model is connected to the water filling port of the internal recycle water of transmission apparatus, discharges water from the water outlet of transmission apparatus internal recycle water, open water pump, water filling in the transmission apparatus water-cooled unit is thoroughly discharged residual pure water in draining;

3, make pure water.The water outlet pipeline of the utility model is connected to water inlet 2; The water outlet manually-operated gate 8 of manualunlocking water tank 1, open water pump; Self forms circulation, observes resistance value detector (specific conductivity is the inverse of megaohm order of magnitude resistance value), when resistance value during greater than 10M Ω; Think that promptly deionized water is very pure, meets water quality standard;

4, import pure water.When water quality meets the requirements; The water outlet that the manufacturing of the utility model is purified pure water equipment is connected to the water filling port of transmission apparatus internal recycle water; And open it; Close the water outlet of transmission apparatus internal recycle water, open the utility model water outlet motorized valve 7 and pump motor 9, add to water level and meet the requirements.

Self-purging:

1, parameter setting: there is the specific conductivity proofing unit frequency transformer inside, and when specific conductivity detected value during greater than 0.2 μ S, relay K gets electric, normally open contact K-1 action;

2, get when electric when relay K; The output electrical signal makes the water inlet motorized valve 6 of the utility model open simultaneously with water outlet motorized valve 7, and motor gets electric, and this novel practical equipment seals in the internal recycle loop; Through the purification of external device, can make that pure water conductivity obviously descends.

Claims (3)

1. the refining plant of a recirculated cooling water; It is characterized in that: it is made up of water pump, water tank (1), main ion interchanger (3), auxilliary ion-exchanger (4), resistance value detector (5), manually-operated gate (8), motorized valve; Manually-operated gate (8) is installed on the outlet conduit of water tank (1); Manually-operated gate (8) water outlet pipeline is connected to pump motor (9), main ion interchanger (3), auxilliary ion-exchanger (4), resistance value detector (5) and water outlet motorized valve (7) successively, and the water outlet pipeline that water outlet motorized valve (7) connects is connected with the frequency transformer pure water cooler.

2. the refining plant of recirculated cooling water according to claim 1; It is characterized in that: in frequency transformer (10) cabinet, increase a relay K; The trip switch of relay K is connected with the output signal of DO template (11) in frequency transformer (10) cabinet, and the normally open contact K-1 of relay K is connected in the startup loop of pump motor (9).

3. the refining plant of recirculated cooling water according to claim 2; It is characterized in that: said water tank (1) has two water inlets (2); One of them water inlet (2) is equipped with water inlet motorized valve (6), and this water inlet (2) is connected with the water outlet pipeline that water outlet motorized valve (7) is connected.

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