CN106644591A - Sampling detection device for sewage treatment control system - Google Patents

Abstract

The invention relates to a sampling detection device for a sewage treatment control system in the field of dyeing and printing sewage physical and chemical treatment. The sampling detection device for the sewage treatment control system comprises a sampling water inlet pipe, a high-pressure gas inlet pipe and a detection box, wherein the sampling water inlet pipe is connected with dyeing and printing sewage in a water supply pipeline through a sampling tap, and the detection box is used for detecting transmittance of the dyeing and printing sewage. An output end of the sampling water inlet pipe is connected with the detection box, the high-pressure gas inlet pipe is connected onto the sampling water inlet pipe in the front of the detection box, the detection box comprises a box body, and a mud-water separator and a transmittance detector are positioned in the box body. The device respectively separates flocculated precipitate and air floating foam through the mud-water separator to obtain detection water, the detection water is detected by the aid of transmittance, transmittance detection is quite stable and accurate, scaling and fouling are avoided, control stability and accuracy of the sewage are improved, and control effects are good.

Description

A kind of sampling detecting device of sewage treatment control system

Technical field

The invention belongs to sewage treatment area, more particularly to a kind of to be used in dyeing and printing sewage materializing strategy field and for dirt Sampling detecting device in water treatment controlling system.

Background technology

China is that fabric clothing maximum in the world is produced and exported country, therefore dyeing is closely bound up therewith, and The sewage discharge of dyeing is that China causes one of key industry of water pollution, compared with other industry, dyeing and printing sewage tool There is wastewater discharge big, color depth, hardly degraded organic substance content is high, the features such as water quality is unstable.

For the process problem of dyeing and printing sewage, existing treatment technology mainly passes sequentially through materializing strategy, biochemical treatment pair Dyeing and printing sewage process, so as to harmful substance of degrading, reaches discharge standard.It is existing for the materializing strategy of current dyeing and printing sewage Materializing strategy operation is completed by operator's manual operations substantially.Dyeing and printing sewage is introduced into pond first, because dyeing and printing sewage PH do not know, therefore it is general first adjust pH to alkalescence with lime, add ferrous sulfate carries out flocculation sediment process to waste water. The process of dyeing and printing sewage early stage is needed at present judge whether fully flocculation occur according to naked eyes, if fully do not flocculated, then just Show that we go wrong in processing procedure Chinese medicine addition, be not adjusted in place.Generally, pH is adjusted in 9-11 Just can fully flocculate, through sedimentation basin supernatant is driven off.

For problem as above, notification number discloses one kind and automatically adjusts process medicine for CN203238083U Chinese patents The dyeing and printing sewage processing equipment of dosage, but in actual process, due to being easy in domestic pH meter insertion dyeing and printing sewage Blocked by impurity, cause pH meter measured value and actual value excessive deviation occur, cause control system unstable.Using import PH also can only be temporarily accurately controlled, and pH controls are non-linear, it is difficult to make it remain stable.

Certainly, the Chinese invention patent prospectus of Publication No. CN104034702A disclose a kind of for detecting The detection box of dyeing and printing sewage light transmittance, the detection box not only can directly to carrying out transmittancy inspection into the dyeing and printing sewage in it Survey, the strong and weak signal of light is measured as available control signal, to express the clarity for isolating supernatant, so as to be used for generation Whether fully flocculate for eye-observation dyeing and printing sewage.So control is just changed to light transmittance as control from pH value as control point Point.It is contemplated that the disclosed detection boxes of CN104034702A are in detection, dyeing and printing sewage is easily in light source and photoinduction element Surface knot is dirty, causes light transmittance and the dual decline of photoperceptivity, using a period of time after, this detection box in detection accuracy and It is not fine in stability, but also there are the problems such as durability, detachable maintaining is cumbersome, ultimately results in control system It is unstable.

In addition to the detection box of transmittancy detection, always difficult control system also has the detection of light transmittance detection right As because the water quality of detection object is not separated, often containing precipitation, impurity, floccule etc., not only easily causing light transmittance Detection box scale effect detection, and precipitate, impurity and floccule can also Interference Detection, affect the data of light transmittance, from And the accuracy of control system is affected, and easily occurring that control is unstable, control effect is poor.

Lack the sampling detecting device for being capable of reasonable acquisition control signal in prior art always.

The content of the invention

For the deficiency pointed by prior art, the goal of the invention of the present invention is to provide one kind used in sewage disposal control Equipment in system, and efficiently from sampling water the stillness of night to be detected can be separated as detection object；Meanwhile, the inspection of light transmittance detector Survey highly stable accurate, the surface of not only non flouling behaviour, and light source and photoinduction element will not also tie the sampling detection dress of dirt Put.

In order to realize foregoing invention purpose, technical scheme below is present invention employs：

A kind of sampling detecting device of sewage treatment control system, sampling detecting device is included being connected by sample tap and send Sampling water inlet pipe, the gases at high pressure air inlet pipe and the detection box for detecting dyeing waste water light transmittance of dyeing and printing sewage in waterpipe； Sampling water inlet pipe output end connecting detection box, gases at high pressure air inlet pipe is connected on the sampling water inlet pipe on front side of detection box；It is described Detection box includes box body, separator for mud and water and the light transmittance detector for detecting dyeing waste water light transmittance, separator for mud and water It is in box body with light transmittance detector；Separator for mud and water includes separate housing and separation under separate housing, tubular on tubular Core body, separate housing docks up and down fixation under separate housing and tubular on tubular；The sealing of separate housing top, cylinder on the tubular Water inlet is additionally provided with shape on separate housing lower sides, separate core is located on tubular in separate housing；The separate core Riser including lower separating plate, upper separating plate and for supporting upper and lower separating plate, lower separating plate and upper separating plate are towards equidirectional It is obliquely installed, lower separating plate is located at separate housing bottom on tubular, lower separating plate periphery and separate housing inner wall sealing on tubular Connection, lower separating plate upper end offer for fluid upwardly through lower plate exit, the upper separating plate be located at lower separating plate top, Upper separating plate periphery is connected with separate housing inner wall sealing on tubular, upper separating plate upper end offer for fluid upwardly through wadding Shape mud is exported, cotton-shaped mud exit opening separate housing top upward and on tubular；On the tubular on separating husk body sidewall Detection water delivery port is additionally provided with, detection water delivery port is located between upper separating plate lower end and lower separating plate lower end；Separate on tubular Waste discharge delivery port is additionally provided with housing sidewall, drainage channel is additionally provided with separate core, the drainage channel is by waste discharge delivery port With cotton-shaped mud outlet, top of the waste discharge delivery port positioned at upper separating plate lower end；Cotton-shaped mud exit position is higher than waste discharge The upper edge of delivery port；Upward, position is higher than detection water delivery port upper edge for lower plate exit；The water inlet position of the water inlet is low In the lower separating plate upper end；It is additionally provided with for so that water inlet is enclosed in separating core body cavity between lower separating plate and water inlet The diversion column for rotating about, diversion column is less than lower separating plate upper end；The light transmittance detector includes detection housing, light source, light Quick receiver and for water sample circulation flowing more thread a pipe；Threading a pipe the flowing including outlet pipe and water inlet pipe, water inlet pipe more Be connected with outlet pipe, outlet pipe for two ends insertion siphunculus, the light emission direction of light source, outlet pipe and photoreceiver substantially exist On same straight line；The first overboard gap is left between the light source and outlet pipe one end；Photoreceiver is another with outlet pipe The second overboard gap is left between end；The light of the light source runs through in outlet pipe and exposes to photoreceiver, the detection Enclosure interior is additionally provided with the second admission gear, and the second admission gear includes the second air inlet, the second inlet channel and the second outlet Mouthful, the second inlet channel connects the second air inlet and the second gas outlet, and the second air inlet is located at detection housing exterior walls, the second outlet Exit of the mouth towards outlet pipe；Detection housing bottom is additionally provided with the delivery port flowed out for water sample；The detection housing includes upper Lid and lower cover, flowing is threaded a pipe more, light source, photoreceiver are located between lid and lower cover；Second admission gear position Inside upper lid；The first admission gear is additionally provided with the upper lid, the first admission gear includes that the first air inlet, the first air inlet lead to Road and two the first gas outlets, the first air inlet is respectively communicated with two the first gas outlets by the first inlet channel, described two First gas outlet is located at respectively the side that light source and photoreceiver are located；Detection box also includes entering water for take water sample Pipe, detection pipe, gas tube, separator waste pipe and detector waste pipe；Sampling water inlet pipe and gases at high pressure air inlet pipe are collected simultaneously The oral siphon is connected into, oral siphon is connected again with the water inlet of separator for mud and water, and the two ends of detection pipe are connected to separator for mud and water Detection water delivery port and the water inlet pipe of light transmittance detector between；The branch road of gases at high pressure air inlet pipe one is connected into gas tube, inflation Pipe quantity has two, and their first air inlets respectively with light transmittance detector, the second air inlet are connected, separator waste pipe Input is connected with the waste discharge delivery port of separator, and the input of detector waste pipe is connected with the delivery port of detector；Separate The output end of device waste pipe and detector waste pipe is passed outside box body.

Preferably, sampling detecting device also includes sending into pump and sends pump, send into pump and connect loaded on gases at high pressure air inlet pipe On sampling water inlet pipe before entering, send after output end of the pump loaded on the separator waste pipe and detector waste pipe collect On pipeline.

Preferably, being equipped with set casing outside the light source and photoreceiver of light transmittance detector, the set casing is in circle Shape tubular, Shang Gai is covered with the semi-circular groove installed for set casing with, and set casing lateral wall is additionally provided with fixed fin, fixed Shell is sandwiched between upper lid and lower cover by the fixed fin；Increase flowing fixation of threading a pipe is additionally provided with the detection housing more The bracket of effect, the bracket includes saddle and frame plate, and the passage for water sample circulation, saddle are left between frame plate and lower cover bottom Mutually fix with frame plate, frame plate is connected with lower cover, pallet upper surface is provided with the groove of mating shapes of threading a pipe with the flowing more, Thread a pipe of flowing is fitted on the bracket more by the groove；The pressure corresponding with the saddle is additionally provided with the upper lid Platform, the lower surface of presenting a theatrical performance as the last item on a programme is provided with groove, and the groove mutually agrees with many siphunculus pipeline outer walls that flow, and thread a pipe of flowing is embedded at more In saddle and the groove between presenting a theatrical performance as the last item on a programme；Thread a pipe of flowing also includes the scale removal pipes flowed into for scale remover more, scale removal pipe with go out Water pipe, water inlet pipe connection, flowing threads a pipe in cross.

Preferably, separate housing bottom is provided with the first delivery port on the tubular, it is additionally provided with first delivery port Relief valve；Separate housing upper end open and docking is enclosed within tubular separate housing lower section under tubular；Relief valve is located at lower point of tubular In shrinking away from theshell body；Separate housing bottom is provided with delivery port under tubular；Delivery port also connects separator waste pipe.

Preferably, the relief valve in separator for mud and water include be screwed onto the tubular valve body of the first delivery port, positioned at tubular Valve rod and spring in valve body, tubular valve body lower inside is provided with the spring base for being capable of water flowing, and spring base middle part is provided with through hole, valve Bar upper end is provided with plug, and lower end is worn and is connected on the through hole of the spring base；The spring housing outside valve rod, spring upper end connection valve Bar, lower spring end is pressed on the spring base, so that the plug elasticity is pressed on the first delivery port export department.

Preferably, being additionally provided with adjusting nut on the valve rod, the spring is pressed between adjusting nut and spring base.

Preferably, the first delivery port is located at a side-lower of diversion column, the cylinder below the opposite side of diversion column Separate housing bottom is provided with the second delivery port on shape, and second delivery port goes out to be provided with dismountable plug.

Compared with prior art, above-mentioned technical proposal is present invention employs, its advantage is as follows：

First, in order to obtain better control effect, the present invention mainly by needing to detect that water is processed in dyeing and printing sewage, Optimal detection object is obtained, therefore present invention utilizes flocculate dissolved air flotation mode, obtains not flocculent clear liquid.Should It is more stable that clear liquid detection water substitutes supernatant.In order to obtain the clear liquid, the present invention has separator for mud and water, by high pressure gas It is passed through with dyeing and printing sewage mixing, obtains intermediate layer clear liquid.The separator for mud and water of the present invention has the advantage that：

1st, the lower separating plate in the separate core of separator for mud and water makes the interior floating thing of water sample carry out concentrating on lower plate and Mouthful, upper separating plate is separated to the offscum in the water sample of extraction, can filter out most of insoluble floating particle thing；Inspection Survey water delivery port to be located between two lower ends of upper and lower separating plate, when detecting that water delivery port extracts water sample, through lower separating plate mistake Along upper separating plate to the delivery port flowing of detection water, offscum is moved up the current of filter by buoyancy along upper separating plate, water Flow direction is flowed with offscum moving direction conversely, further strengthening separating, become apparent from separating effect.

2nd, waste discharge delivery port timely can be discharged offscum by drainage channel and cotton-shaped mud outlet, it is to avoid point Offscum is piled up in off-chip body affects detection data, makes the data that detection is obtained more accurately and reliably.

If the 3, current can be by liquid surface similar to the current to pouring in teacup, entrance into separate core from top The offscum of separator well bring into again in water, cause separative efficiency low.Therefore the water inlet in the present invention is located at housing Bottom, water filling is carried out by the bottom up of separate core, the direction of motion of offscum is always held at prolonging the direction of water movement, The motion of offscum is less, quickly can be separated water along separating plate, and separative efficiency is fast at high speed, can reach real-time continuous and exists The purpose that line is detected to Water quality.

4th, the passage that upper and lower separating plate, drainage channel, the outlet of cotton-shaped mud and detection water delivery port draw water is integrated in one In individual separate core, separate core outer wrap tubular shell effectively reduces the volume of whole separator, effectively reduces space Occupation rate.

2nd, in order to obtain better control effect, the present invention also needs to light transmittance detector, the light transmittance in the present invention The structure setting of detector is that light source, outlet pipe and photoreceiver is separately positioned so that between light source and outlet pipe one end Leave the first overboard gap；The second overboard gap is left between photoreceiver and the other end of outlet pipe；The light of light source leads to After the air for first passing through the first overboard gap, then through the water in outlet pipe, then the air that printing opacity is crossed in the second overboard gap, most Photoreceiver is injected eventually, this structure setting can avoid outlet pipe water column out from flowing to light source or photoreceiver, protect Shield light source and photoreceiver exempt from water stain and dirt and are infected with and affect translucent effect, improve the stability and accuracy of detection； Outlet pipe not only causes outlet pipe to be difficult to fouling and clogging for the siphunculus of two ends insertion, but also reduces the light transmittance detector to going out The cleaning frequency of water pipe, while also extending the service life of light transmittance detector, that is, improves durability.

In addition, the high velocity air that the second gas outlet produces can be blown in the dirts such as the viscosity mud in outlet pipe exit It is dynamic so as to which that movement avoids viscosity mud from adhering to water outlet pipe surface, it is to avoid outlet pipe exit scale formation, reduce cleaning time Number, extends maintenance cycle.

Description of the drawings

Fig. 1：The structural representation of sampling detecting device in the embodiment of the present invention.

Fig. 2：The structural representation of box is detected in the embodiment of the present invention.

Fig. 3：The decomposing schematic representation of box is detected in the embodiment of the present invention.

Fig. 4：The cross-sectional view of separator for mud and water in the embodiment of the present invention；

Fig. 5：The partial enlarged drawing of relief valve in the embodiment of the present invention；

Fig. 6：The streamflow regime schematic diagram of separator for mud and water in the embodiment of the present invention；

Fig. 7：The partial perspective view of separator for mud and water in the embodiment of the present invention.

Fig. 8：The structural representation of light transmittance detector in the embodiment of the present invention.

Fig. 9：The fractionation schematic diagram of light transmittance detector in the embodiment of the present invention.

Figure 10：The principle schematic of detector in the present embodiment.

Figure 11：Superstructure schematic diagram in detector in the present embodiment.

Figure 12：The sectional view of first, second admission gear above covered in detector in the present embodiment.

Figure 13：Detector internal structure splits schematic diagram in the present embodiment.

Figure 14：Circulation duct in the present embodiment in detector is arranged on the scheme of installation on bracket.

Specific embodiment

The present invention is described further below in conjunction with the accompanying drawings.

Embodiment：

As Fig. 1 reacts the sewage disposal system integral frame figure of the present invention, the sewage disposal system employs new-type inspection To dyeing and printing sewage, whether muddiness is detected survey method, so as to be controlled to dyeing and printing sewage chemical feeding quantity, taking after process The light transmittance index of sample clear liquid as control point, therefore present invention improves over existing technique, on the basis of new handling process Framework control system well.

Above-mentioned dyeing and printing sewage belongs to one kind of sewage, present invention is generally directed to dyeing and printing sewage is processed, and does not include All sewage can be processed.Of course, for those skilled in the art, with dyeing and printing sewage process similarity is carried out Other sewage for being processed, are also applied for the system.

In order to improve control effect, the present invention provides a kind of sampling detection that can accurately provide control signal for controller Device 5.Referring to Fig. 1-14, the sampling detecting device 5 of the present invention includes sampling water inlet pipe 51, gases at high pressure air inlet pipe 52 and is used for The detection box 54 of detection dyeing waste water light transmittance.The sampling output end connecting detection box 54 of water inlet pipe 51, gases at high pressure air inlet pipe 52 It is connected on the sampling water inlet pipe 51 of the front side of detection box 54.

Detection box 54 as shown in Fig. 2-14, detection box 54 includes box body 5a, separator for mud and water a and for detecting printing and dyeing The light transmittance detector b of waste water light transmittance, separator for mud and water a and light transmittance detector b are in box body 5a.Box body 5a is protected Outside separator and detector are not exposed to, lower aging increasing the service life.

The separator for mud and water as shown in Fig. 3 to 6, it includes separate housing a2 and separation under separate housing a4, tubular on tubular Core body a3.Separate housing a4 top fully seals on tubular, is additionally provided with water inlet a1 on tubular on separate housing a4 lower sides, Separate housing a4 lower end outer edge is additionally provided with the connection protuberance for extending radially outwardly on tubular.Separate housing a2 includes upper under tubular End opening and the cylindrical body a21 of lower end closed and connecting ring portion a20 of cylindrical body a21 upper ends is surrounded on outward, lower point of tubular Shrinking away from theshell body a2 is enclosed within separate housing a4 lower section on the tubular by the docking of connecting ring portion a21, and by the sealed company of multigroup bolt Connect convex portion and connecting ring portion a21.Above-mentioned separate core a3 is located on tubular in separate housing a4, and is installed in the inner, wherein：

Separate core a3 include lower separating plate a32, upper separating plate a33 and the riser for supporting upper and lower separating plate, lower point It is obliquely installed towards equidirectional with upper separating plate a33 from plate a32, lower separating plate a32 is located at separate housing a4 bottom on tubular.Under Separating plate a32 peripheries are connected with separate housing a4 inner wall sealing, and lower separating plate a32 upper ends are offered for fluid upwardly through under Plate exit a320, upper separating plate a33 are located at lower separating plate a32 tops.On upper separating plate a33 peripheries and tubular in separate housing a4 Wall is tightly connected, upper separating plate a33 upper ends offer for fluid upwardly through cotton-shaped mud outlet a330, cotton-shaped mud exports a330 It is opening up and on tubular separate housing a4 top.Detection water water outlet is additionally provided with above-mentioned tubular on the wall of separate housing a4 side Mouth a34, detection water delivery port a34 is located between upper separating plate a33 lower ends and lower separating plate a32 lower ends.Separate housing on tubular Waste discharge delivery port a35 is additionally provided with the wall of a4 sides, drainage channel is additionally provided with separate core a3, drainage channel is by waste discharge delivery port A35 is connected with cotton-shaped mud outlet a330, and waste discharge delivery port a35 is located at the top of upper separating plate a33 lower ends.Cotton-shaped mud exports a330 Upper edge of the position higher than waste discharge delivery port a35；Upward, position is higher than detection water delivery port a34 upper edges for lower plate exit a320； The water inlet position of the water inlet a1 is less than the lower separating plate a32 upper ends；Between lower separating plate a32 and water inlet a1 It is additionally provided with separate core a3 chambers for enclosing the diversion column a37 for rotating about so that intaking, diversion column a37 is less than lower separating plate A32 upper ends.Separate housing a4 bottom is provided with the first delivery port on tubular, and relief valve a5 is additionally provided with the first delivery port.Relief valve A5 is located under tubular in separate housing a2.Above-mentioned first delivery port is located at a side-lower of diversion column a37, positioned at diversion column a37 Opposite side below tubular on separate housing a4 bottom be provided with the second delivery port, the second delivery port goes out to be provided with removably Baffle plate a38 is provided between immediately below plug a39, the second delivery port and diversion column a37.Bulky grain weight impurity in current holds very much The the second delivery port top accumulation on the left of baffle plate a38 is easily flowed into, periodically opening plug a39 can cleaning.When hydraulic pressure is excessive, the Two delivery ports normally opened can also run, and the relief valve on the first delivery port does not work.When blocking the second delivery port, hydraulic pressure is slightly larger When, relief valve is opened, and waste water will enter separate housing a2 under tubular, and separate housing a2 bottom is provided with delivery port under tubular A211, delivery port a211 are located under tubular on the lower sides of separate housing a2, are easy to exclude the waste water not detected.

Above-mentioned relief valve a5 includes being screwed onto the tubular valve body a51 of the first delivery port, the valve rod in tubular valve body a51 A52 and spring a54, tubular valve body a51 lower insides are provided with the spring base a56 for being capable of water flowing, and spring base a56 middle parts are provided with logical Hole, valve rod a52 upper ends are provided with plug, and lower end is worn and is connected on the through hole of the spring base a56；The spring housing outside valve rod a52, Spring a54 upper ends connect valve rod a52, and spring a54 lower ends are pressed on the spring base a56, so that the plug elasticity is compressed In the first delivery port export department.In order that the pressure threshold of relief valve can be adjusted, on above-mentioned valve rod a52 tune is additionally provided with Section nut a55, spring a54 are pressed between adjusting nut a55 and spring base a56.

As shown in figure 4, above-mentioned riser is provided with the breaker strip a42 for increasing structural strength along the edge of housing axis, lead to Cross and set up breaker strip a42, form three arms of angle, effectively prevent fracture.The bridging board for increasing structural strength is provided between riser A41, bridging board a41 connect each adjacent riser, strengthen connection and improve intensity.Be additionally provided between riser and housing bottom surface for Increase the reinforcement a40 of structural strength.

As shown in figure 3, when using, waste water is entered from water inlet a1, and current can be along diversion column a37 water conservancy diversion, in current Bulky grain weight impurity easily flows into the second delivery port top accumulation on the left of baffle plate a38, and afterwards current can be from lower plate exit A320 flows out, and continues online.Gas offscum in water mixes cotton-shaped mud can overflow from cotton-shaped mud outlet a330, by drainage channel Gas offscum is mixed into cotton-shaped mud to discharge from waste discharge delivery port a35, we sample detection water from intermediate layer, that is, detect delivery port When a34 extracts detection water sample, the suspended particulate substance of extraction is less, can be used for light and detects and reduce interference impurity.

Refering to the light transmittance detector b shown in Fig. 8 to Figure 14, it include detection housing, light source b4, photoreceiver b5 and Thread a pipe b3 more the flowing circulated for water sample.Wherein：

, including outlet pipe b32 and water inlet pipe b30, water inlet pipe b30 is connected with outlet pipe b32, goes out more for the flowing b3 that threads a pipe Water pipe b32 is the siphunculus of two ends insertion, and light emission direction, the outlet pipe b32 and photoreceiver b5 of light source b4 is substantially with always On line.The first overboard gap is left between above-mentioned light source b4 and outlet pipe b32 one end.Photoreceiver b5 and outlet pipe b32's The second overboard gap is left between the other end.The light of above-mentioned light source b4 runs through in outlet pipe b32 and exposes to photoreceiver B5, above-mentioned detection enclosure interior is additionally provided with the second admission gear, and the second admission gear includes the second air inlet b12, the second air inlet Passage b121 and the second gas outlet b120, the second inlet channel b121 connect the second air inlet b12 and the second gas outlet b120, the Two air inlet b12 are located at detection housing exterior walls, exits of the second gas outlet b120 towards outlet pipe b32.Detection housing bottom It is additionally provided with discharge outlet b20 flowed out for water sample.

Refering to shown in Fig. 9, detection housing includes upper lid b1 and lower cover b2, flowing thread a pipe b3, light source b4, photosensitive reception more Device b5 is located between lid b1 and lower cover b2, and first, second admission gear is located inside upper lid b1, and lower cover b2 bottoms are additionally provided with For discharge outlet b20 that water sample flows out.When carrying out the printing opacity detection work of waste water light transmittance, upper lid b1 is arranged on lower cover b2, Flowing thread a pipe b3, light source b4, photoreceiver b5 are installed in detection housing, and on intimate straight line more, Light source b4 reacts on photoreceiver b5 more through the circulation sewage for threading a pipe 3 li, light transmittance analysis is carried out, to detect printing and dyeing The light transmittance of waste water.

When using, first, second admission gear is arranged at covering b1 tops, with flowing to thread a pipe b3 into certain angle more Degree, gases at high pressure are passed through into the first air inlet b11 and the second air inlet b12, and gases at high pressure pass through the second inlet channel b121 Sprayed by the second gas outlet b120, gases at high pressure spray towards outlet pipe outlet, and the dirts such as silt are pushed away using gases at high pressure. Gases at high pressure are sprayed by the first inlet channel b111 by the first gas outlet b110, can by hydraulic pressure it is too high when spray to light source or light The water column of quick receiver is pressed downward, it is to avoid light source or photoreceiver contamination dirt and water stain.

When using, discharge outlet b20 that altogether water sample flows out is located at the right flank of lower cover b2, from bottom 10mm-15mm, discharge outlet Valve is also equipped with b20, on the other hand the discharge after being on the one hand conducive to dyeing waste water to detect turn avoid in detection During dyeing and printing sewage spilling.

Refering to shown in Figure 13, the flowing b3 that threads a pipe is provided with the scale removal pipe b31, scale removal pipe b31 flowed into for scale remover more Box body 5a outer walls are extended to by scale removal extension tube attached c6, for the addition of scale remover.Scale removal pipe b31 and outlet pipe b32, water inlet pipe B30 is connected, and the flowing b3 that threads a pipe in cross more.It is criss-cross to design the probability for reducing line clogging.When many siphunculus that flow After road b3 is using a period of time, inner pipeline plug plug or when leaving fouling, can be passed through scale remover carries out scale removal, and internal incrustation is molten Solution, the fouling products in scale removal pipe b31 by being passed through gases at high pressure to air inlet pushed away, when scale removal is carried out, water inlet pipe b30 Do not intake.

As shown in Fig. 9 and Figure 13, set casing is equipped with outside light source b4 and photoreceiver b5, the rounded tubular of set casing, Be equipped with upper lid b1 and lower cover b2 for set casing install semi-circular groove, set casing lateral wall be additionally provided with fixed fin b40, Fixed fin b50, set casing is stuck in semi-circular groove by the fixed fin b40, fixed fin b50, be clipped in lid b1 with Between lower cover b2.Avoid in dyeing and printing sewage detection process, the rolling of flowing thread a pipe b3, light source b4 and photoreceiver b5 more The dynamic impact to testing result, and then improve the accuracy rate of testing result.

As shown in figure 12, in dyeing and printing sewage detection process, the flowing b3 that threads a pipe is fixed on bracket b6 more, bracket B6 is made up of saddle b60 and frame plate b61, and the passage for water sample circulation is left between frame plate b61 and lower cover b2 bottoms, and passage can be with It is arranged to the inclined that from left to right dips down, so that dyeing and printing sewage trickles at discharge outlet b20.Saddle b60 and frame plate b61 phases are solid It is fixed, can be made by welding, also can be connected by securing member.Frame plate b61 is connected with lower cover b2, and saddle b60 upper surfaces are provided with Threading a pipe with the flowing groove of b3 mating shapes, the flowing b3 that thread a pipe are fitted in the bracket more by the groove more On b6.

When using, the present a theatrical performance as the last item on a programme b13 corresponding with the saddle b60 is additionally provided with upper lid b1, b13 lower surfaces of presenting a theatrical performance as the last item on a programme are provided with recessed Groove, groove b3 outer walls of threading a pipe with flowing mutually agree with more, the flowing b3 that thread a pipe more be embedded at saddle b60 and present a theatrical performance as the last item on a programme b13 it Between groove in, with the stability of the b3 that thread a pipe that ensure to flow more.

In use or cleaning process, detect dyeing waste water light transmittance light transmittance detector on upper lid, lower cover b2 and The b3 that threads a pipe detachable more for flowing, is conducive to detection and cleaning of the later stage to detector, improves the use of light transmittance detector In the life-span, reduce the use cost of enterprise.

Detection box 54 also includes for taking water sample in addition to separator for mud and water a and light transmittance detector b core components Oral siphon c1, detection pipe c3, gas tube c4, separator waste pipe 2a and detector waste pipe 2b, with them by core component Separator for mud and water a and light transmittance detector b are coupled together.Wherein, outside sampling water inlet pipe 51 and gases at high pressure air inlet pipe 52 Collect and be connected into the oral siphon c1 of detection box 54, oral siphon c1 is connected again with the water inlet a1 of separator for mud and water a, detection pipe c3 Two ends are connected between the detection water delivery port a34 of separator for mud and water a and the water inlet pipe b30 of light transmittance detector b.Gases at high pressure The branch road of air inlet pipe 52 1 is connected into gas tube c4, and gas tube c4 quantity is two, and they are respectively again with the first of light transmittance detector b Air inlet b11, the second air inlet b12 connect, and the input of separator waste pipe 2a connects with the waste discharge delivery port a35 of separator Connect, the input of detector waste pipe 2b is connected with discharge outlet b20 of detector.The delivery port a211 of separator for mud and water a bottoms The output end of connection separator waste pipe 2a, above-mentioned separator waste pipe 2a and detector waste pipe 2b is collected again, and is connected to box Outside body 5a.

Above-mentioned sampling detecting device includes also including sending into pump 53 and sends pump 55, sends into pump 53 and be loaded on gases at high pressure air inlet Pipe 52 be connected into before sampling water inlet pipe 51 on, send pump 55 defeated loaded on the separator waste pipe 2a and detector waste pipe 2b On the pipeline gone out after end is collected.Separator waste pipe 2a and detector waste pipe 2b can be by sending pump 55 again by sampling Outlet pipe 56 sends back to water pipeline, naturally it is also possible to directly discharge.

As illustrated in fig. 7 and fig. 10, the operation principle of box 54 is detected in the embodiment of the present invention：

1st, by the water sample with gases at high pressure is fetched, water sample is contained within cotton-shaped mud, and due to cotton-shaped mud drum, to wrap up in density after bubble little Float upwards in water, water sample to be detected is accessed into the water inlet a1 of separator for mud and water a by oral siphon 1, water sample is entered and separated The water sample of core body a3 bottoms, by diversion column a37 water conservancy diversion, the downward plate exit a320 movement in the presence of hydraulic pressure, water sample and its In insoluble floating thing be moved to lower plate exit a320 along lower separating plate a32.

2nd, water sample and insoluble floating thing therein are moved from lower plate exit a320 to cotton-shaped mud outlet a330, due to insoluble Solution floating thing is subject to buoyancy upwards to wave straight up.

3rd, detect in passages of the water delivery port a34 between upper and lower separating plate and extract water sample sample, in the water sample being extracted Containing a small amount of insoluble floating thing, water sample floats in moving process due to the channel slopes between upper and lower separating plate downwards Float is continued to move up, and floating thing stops being moved to detection water delivery port a34 when reaching upper separating plate a33, afterwards floating thing A330 movements are slowly exported to cotton-shaped mud along upper separating plate a33 by buoyancy；Due to water sample moving direction and offscum moving direction Conversely, reaching the purpose of secondary separation.

4th, the floating thing of cotton-shaped mud outlet a330 is concentrated in the flow process of follow-up water sample, water level rises floating thing Bring into drainage channel, into the floating thing in drainage channel waste discharge delivery port a35 is flowed through, into separator waste pipe 2a cocurrents Go out.

5th, the water sample extracted from the detection water delivery port a34 of separator for mud and water a, by detection pipe 3 to light transmittance detector b Water inlet pipe b30 transport, in light transmittance detector b, water sample by outlet pipe b32 exits flow out.

6th, gas tube 4 connects the positive pressure devices such as air pump, by gas tube 4 into the second air inlet b12 and the first air inlet b11 Gases at high pressure are passed through, gases at high pressure are sprayed by the second inlet channel b121 by the second gas outlet b120, gases at high pressure direction goes out Water pipe b32 outlet injections, the dirts such as silt are pushed away using gases at high pressure；Gases at high pressure are by the first inlet channel b111 by the One gas outlet b110 sprays, and can be pressed downward hydraulic pressure sprays to light source b4 or photoreceiver b5 water column when too high, it is to avoid light Source b4 or photoreceiver b5 contamination dirts and water stain.

7th, light source b4 launches light to outlet pipe b32, and light completely penetrates through the water sample in outlet pipe b32, and exposes to light On quick receiver b5, photoreceiver b5 will transmit through the light of water sample and carry out the detection of intensity of illumination, converse the printing opacity of water sample Degree；

8th, lower cover b2 bottoms are flowed to by the water sample flowed out in outlet pipe b32, and is flowed out from the delivery port b20 of bottom, inspection The water sample that survey is finished flows out from detector waste pipe 2b, completes water quality light transmittance detection process.

9th, the waste water flowed out by separator for mud and water a and light transmittance detector b, arranges via separator waste pipe 2a and detector Useless pipe 2b finally converges to same waste pipe 2, flow to outside outter box 5a.

The above makes the preferred embodiment of the present invention, for the person of ordinary skill of the art without departing from this On the premise of bright principle, some modifications and improvement can also be made, these also should be regarded as protection scope of the present invention.

Claims (7)

1. a kind of sampling detecting device of sewage treatment control system, it is characterised in that：Sampling detecting device is included by taking Sample mouth connects the sampling water inlet pipe (51) of dyeing and printing sewage in water pipeline, gases at high pressure air inlet pipe (52) and useless for detection printing and dyeing The detection box (54) of water light transmittance；Sampling water inlet pipe (51) output end connecting detection box (54), gases at high pressure air inlet pipe (52) is even Enter on the sampling water inlet pipe (51) on front side of detection box (54)；

Printing opacity of detection box (54) including box body (5a), separator for mud and water (a) and for detecting dyeing waste water light transmittance Degree detector (b), separator for mud and water (a) and light transmittance detector (b) are in box body (5a)；

Separator for mud and water (a) includes separate housing (a2) and separate core (a3) under separate housing (a4), tubular on tubular, tubular Separate housing (a2) docks up and down fixation under upper separate housing (a4) and tubular；Separate housing (a4) top is close on the tubular Envelope, is additionally provided with water inlet (a1) on separate housing (a4) lower sides on tubular, separate core (a3) is located at separating husk on tubular In body (a4)；

The separate core (a3) includes lower separating plate (a32), upper separating plate (a33) and for supporting the vertical of upper and lower separating plate Plate, lower separating plate (a32) is obliquely installed with upper separating plate (a33) towards equidirectional, and lower separating plate (a32) is located on tubular and separates Housing (a4) bottom, lower separating plate (a32) periphery is connected with separate housing on tubular (a4) inner wall sealing, lower separating plate (a32) Upper end offer for fluid upwardly through lower plate exit (a320), the upper separating plate (a33) be located at lower separating plate (a32) on Side, upper separating plate (a33) periphery is connected with separate housing on tubular (a4) inner wall sealing, and upper separating plate (a33) upper end offers For fluid upwardly through cotton-shaped mud outlet (a330), cotton-shaped mud outlet (a330) it is opening up and on tubular separate housing (a4) top；Detection water delivery port (a34) is additionally provided with the tubular on the wall of separate housing (a4) side, water delivery port is detected (a34) it is located between upper separating plate (a33) lower end and lower separating plate (a32) lower end；On tubular on the wall of separate housing (a4) side also It is provided with waste discharge delivery port (a35), is additionally provided with drainage channel in separate core (a3), the drainage channel is by waste discharge delivery port (a35) connect with cotton-shaped mud outlet (a330), the waste discharge delivery port (a35) is located at the top of upper separating plate (a33) lower end；

Upper edge of cotton-shaped mud outlet (a330) position higher than waste discharge delivery port (a35)；Upward, position is high for lower plate exit (a320) In detection water delivery port (a34) upper edge；

The water inlet position of the water inlet (a1) is less than lower separating plate (a32) upper end；Positioned at lower separating plate (a32) and enter water It is additionally provided with separate core (a3) chamber between mouth (a1) for so that the diversion column for rotating about (a37), diversion column are enclosed in water inlet (a37) it is less than lower separating plate (a32) upper end；

Light transmittance detector (b) includes detection housing, light source (b4), photoreceiver (b5) and the flowing for water sample circulation Thread a pipe (b3) more；(b3) is threaded a pipe the flowing including outlet pipe (b32) and water inlet pipe (b30) more, water inlet pipe (b30) with go out Water pipe (b32) is connected, outlet pipe (b32) for two ends insertion siphunculus, the light emission direction of light source (b4), outlet pipe (b32) and Photoreceiver (b5) is substantially on the same line；It is overboard first to be left between the light source (b4) and outlet pipe (b32) one end Gap；The second overboard gap is left between the other end of photoreceiver (b5) and outlet pipe (b32)；The light of the light source (b4) Line is in outlet pipe (b32) and exposes to photoreceiver (b5), and the detection enclosure interior is additionally provided with the second admission gear, Second admission gear includes the second air inlet (b12), the second inlet channel (b121) and the second gas outlet (b120), the second air inlet Passage (b121) connects the second air inlet (b12) and the second gas outlet (b120), and the second air inlet (b12) is located at outside detection housing Wall, the exit of the second gas outlet (b120) towards outlet pipe (b32)；Detection housing bottom is additionally provided with the draining flowed out for water sample Mouth (b20)；The detection housing includes upper lid (b1) and lower cover (b2), threading a pipe (b3) flowing more, light source (b4), photosensitive reception Device (b5) is located between lid (b1) and lower cover (b2)；It is internal that second admission gear is located at upper lid (b1)；The upper lid (b1) be additionally provided with the first admission gear in, the first admission gear include the first air inlet (b11), the first inlet channel (b111) and Two the first gas outlets (b110), the first air inlet (b11) is respectively communicated with two first and goes out by the first inlet channel (b111) Gas port (b110), described two first gas outlets (b110) are located at respectively that light source (b4) and photoreceiver (b5) are located Side；

Detection box (54) also includes oral siphon (c1), detection pipe (c3), gas tube (c4), the separator waste discharge for taking water sample Pipe (2a) and detector waste pipe (2b)；Water is collected and entered described in being connected into sampling water inlet pipe (51) and gases at high pressure air inlet pipe (52) Pipe (c1), oral siphon (c1) is connected again with the water inlet (a1) of separator for mud and water (a), and the two ends of detection pipe (c3) are connected to muddy water Between detection water delivery port (a34) of separator (a) and the water inlet pipe (b30) of light transmittance detector (b)；Gases at high pressure air inlet pipe (52) one branch roads are connected into gas tube (c4), and gas tube (c4) quantity has two, and they are respectively with the first of light transmittance detector (b) Air inlet (b11), the second air inlet (b12) connection, the input of separator waste pipe (2a) and the waste discharge delivery port of separator (a35) connect, the input of detector waste pipe (2b) is connected with the discharge outlet (b20) of detector；Separator waste pipe (2a) Box body (5a) is passed with the output end of detector waste pipe (2b) outward.

2. the sampling detecting device of a kind of sewage treatment control system according to claim 1, it is characterised in that：Sampling Detection means also includes sending into pump (53) and sends pump (55), before feeding pump (53) is connected into loaded on gases at high pressure air inlet pipe (52) In sampling water inlet pipe (51), output end of the pump (55) loaded on the separator waste pipe (2a) and detector waste pipe (2b) is sent On pipeline after collecting.

3. the sampling detecting device of a kind of sewage treatment control system according to claim 1, it is characterised in that：Printing opacity The light source (b4) and photoreceiver (b5) of degree detector (b) is equipped with outward set casing, the rounded tubular of the set casing, upper lid (b1) and lower cover (b2) be provided with for set casing install semi-circular groove, set casing lateral wall be additionally provided with fixed fin (b40, B50), set casing is sandwiched between lid (b1) and lower cover (b2) by the fixed fin (b40, b50)；In the detection housing Be additionally provided with increases the bracket (b6) of flowing (b3) fixed effect of threading a pipe more, and the bracket (b6) includes saddle (b60) and frame plate (b61) passage for water sample circulation, saddle (b60) and frame plate (b61) phase, are left between frame plate (b61) and lower cover (b2) bottom Fixed, frame plate (b61) is connected with lower cover (b2), and saddle (b60) upper surface is provided with the flowing (b3) shape phase of threading a pipe more The groove of matching, flowing thread a pipe (b3) is fitted on the bracket (b6) more by the groove；In the upper lid (b1) also Present a theatrical performance as the last item on a programme (b13) corresponding with the saddle (b60) is provided with, described (b13) lower surface of presenting a theatrical performance as the last item on a programme is provided with groove, the groove and stream Dynamic (b3) outer wall of threading a pipe mutually agrees with more, and flowing thread a pipe (b3) is embedded at saddle (b60) and the groove presented a theatrical performance as the last item on a programme between (b13) more It is interior；Flowing thread a pipe (b3) also includes the scale removal pipe (b31) flowed into for scale remover, scale removal pipe (b31) and outlet pipe more (b32), water inlet pipe (b30) connection, flowing thread a pipe (b3) in cross more.

4. the sampling detecting device of a kind of sewage treatment control system according to claim 1, it is characterised in that：It is described Separate housing (a4) bottom is provided with the first delivery port on tubular, and relief valve (a5) is additionally provided with first delivery port；Under tubular Separate housing (a2) upper end open and docking be enclosed within separate housing on tubular (a4) lower section；Relief valve (a5) is located under tubular and separates In housing (a2)；Separate housing (a2) bottom is provided with delivery port (a211) under tubular；Delivery port (a211) also connects separator row Useless pipe (2a).

5. the sampling detecting device of a kind of sewage treatment control system according to claim 4, it is characterised in that：Muddy water Relief valve (a5) in separator (a) include be screwed onto the tubular valve body (a51) of the first delivery port, positioned at tubular valve body (a51) Interior valve rod (a52) and spring (a54), tubular valve body (a51) lower inside is provided with the spring base (a56) for being capable of water flowing, spring Seat (a56) middle part is provided with through hole, and valve rod (a52) upper end is provided with plug, and lower end is worn and is connected on the through hole of the spring base (a56)； In valve rod (a52) outward, spring (a54) upper end connects valve rod (a52) to the spring housing, and spring (a54) lower end presses on the bullet On spring abutment (a56), so that the plug elasticity is pressed on the first delivery port export department.

6. the sampling detecting device of a kind of sewage treatment control system according to claim 6, it is characterised in that：It is described Adjusting nut (a55) is additionally provided with valve rod (a52), the spring (a54) presses on adjusting nut (a55) and spring base (a56) Between.

7. the sampling detecting device of a kind of sewage treatment control system according to claim 1, it is characterised in that：First Delivery port is located at a side-lower of diversion column (a37), the separate housing on the tubular below the opposite side of diversion column (a37) (a4) bottom is provided with the second delivery port, and second delivery port goes out to be provided with dismountable plug (a39).