CN103983747A - On-line continuous dyeing and printing process liquid concentration detection device - Google Patents
On-line continuous dyeing and printing process liquid concentration detection device Download PDFInfo
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- CN103983747A CN103983747A CN201410237176.9A CN201410237176A CN103983747A CN 103983747 A CN103983747 A CN 103983747A CN 201410237176 A CN201410237176 A CN 201410237176A CN 103983747 A CN103983747 A CN 103983747A
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Abstract
The invention relates to an on-line continuous dyeing and printing process liquid concentration detection device which comprises a process liquid buffer container, a detection runner pipe, a first pressure sensor, a second pressure sensor and a liquid inlet pipe, wherein one end of the liquid inlet pipe is communicated with the process liquid buffer container; one end of the detection runner pipe is communicated with the process liquid buffer container; one end of the detection runner pipe is provided with a process liquid circulation inlet; the height of the process liquid circulation inlet is lower than the height of an upper overflow hole of the process liquid buffer container; a process liquid circulation outlet is formed in the detection runner pipe; the process liquid circulation inlet of the detection runner pipe is higher than the process liquid circulation outlet; the first pressure sensor and the second pressure sensor are vertically separated from each other and are respectively connected with the detection runner pipe. According to the device, the flow velocity of process liquid can be constant, the detection accuracy is high, and the device is convenient to maintain.
Description
Technical field
The present invention relates to a kind of concentration detection apparatus, be specifically related to a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus.
Background technology
In dyeing mercerizing technique, the concentration of the alkali in mill solution is all manually operated, configures the alkali lye of desired concn by manual titration at present.In equipment operation process, fabric is after alkali lye, due to the suction-operated of fabric, in alkali lye, the concentration of alkali just declines naturally, in order to maintain the concentration of alkali in alkali lye, just must be by manually certain density concentrated base being added in mill solution, to maintain the concentration of alkali in mill solution.But such method is not real-time, continuous process, and concentration of lye is very unstable, easily causes the effect deviation after mercerising larger, thereby affect the quality of fabric.Detect control procedure in order to solve real-time continuous, so must adopt robotization detection and control technology, ensure concentration of lye stable and consistent.
The concentration sampling detecting device of domestic original dyeing and printing process liquid on-line continuous, general using centrifugal pump extracts mill solution, on its circulation line, weld branch road as sampling line, (as shown in Figure 8), its process liquor flows into detector tube by stopple coupon, and through the first pressure transducer and the second pressure transducer, finally flow out by the other end of detector tube, change to realize by pressure differential the concentration of mill solution is detected.
But this mode has following shortcoming:
, mill solution flow velocity fluctuation larger on the first pressure transducer and the impact of the second pressure transducer, cause detecting fluctuating error large, accuracy of detection is low;
, because the mill solution temperature in work nest has certain variation, cause the density of mill solution to change, can cause equally accuracy of detection to change.
The concentration sampling detecting device of external modified dyeing and printing process liquid on-line continuous, general using centrifugal pump extracts, on its circulation line, weld branch road as sampling line, (as shown in Figure 9), its process liquor flows into detector tube by stopple coupon, and through the first pressure transducer and the second pressure transducer, finally flow out by the other end of detector tube, change to realize by pressure differential the concentration of mill solution is detected.
Fluctuate on detecting the impact of error for solving the flow velocity of process liquor, the bore of one end of the stopple coupon in the sampling detecting device of external modified dyeing and printing process liquid on-line continuous concentration is greater than its other end bore, one end that stopple coupon bore is little is fixedly connected with detector tube, and be connected with detector tube, allow process liquor enter process liquor detector tube with low discharge, like this release tool of process liquor pressure is greatly improved, but has brought new problem simultaneously.Specific as follows:
, due to the reduction of process liquor flow velocity, whole system exchange velocity is slow, response lag;
, because the auxiliary agent such as slurry, enzyme content in process liquor is many, if process liquor flow velocity is lower, also can easily produce the process streams latch up phenomenon of threading a pipe;
, because the process liquor temperature in work nest has certain variation, cause the density of process liquor to change, can cause equally accuracy of detection to change.
Summary of the invention
The object of the invention is: provide one not only to ensure that process liquor flow velocity can be constant but also to detect degree of accuracy high, be convenient to the dyeing and printing process liquid on-line continuous concentration detection apparatus safeguarded, to overcome the deficiency of prior art.
In order to achieve the above object, technical scheme of the present invention is: a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, comprises process liquor buffer container, detects runner pipe, the first pressure transducer, the second pressure transducer and feed tube;
One end of described feed tube communicates with process liquor buffer container;
One end of described detection runner pipe communicates with process liquor buffer container, and one end of described detection runner pipe is process liquor circulation import, and the height of process liquor circulation import is lower than the height of the top spillway of process liquor buffer container; Described detection runner pipe has process streams pass-out mouth, and the process liquor of described detection runner pipe circulation import is higher than process streams pass-out mouth;
Described the first pressure transducer and the second pressure transducer up and down separately and respectively with detect runner pipe load.
In technique scheme, also comprise that the first cleaning connecting pipe and second cleans connecting pipe, described first one end of cleaning connecting pipe communicates with process liquor buffer container or communicates with feed tube, and second one end of cleaning connecting pipe communicates with the bottom of detecting runner pipe.
In technique scheme, also comprise process liquor returnable, described process liquor returnable has liquid outlet, and the height of the liquid outlet of process liquor returnable is lower than the height of the top spillway of process liquor buffer container.
In technique scheme, described process liquor buffer container is located in process liquor returnable or is located at the top of process liquor returnable; One end of described feed tube penetrates process liquor returnable and is connected with process liquor buffer container; One end of described detection runner pipe is passed successively the bottom of process liquor returnable and the bottom of process liquor buffer container and is stretched in the cavity of process liquor buffer container, the other end of described detection runner pipe is connected with the cavity of process liquor returnable, and the other end of described detection runner pipe is process streams pass-out mouth; The corner of described detection runner pipe bottom is arc transition.
In technique scheme, also comprise temperature detection sensor, described temperature detection sensor is arranged on the locating between process streams pass-out mouth and the first pressure transducer of the other end of detecting runner pipe.
In technique scheme, also comprise flow rate detection sensor, described flow rate detection installation of sensors is detecting in runner pipe or process liquor returnable.
In technique scheme, described detection runner pipe has the first joint flange and the second joint flange, and described the first pressure transducer is fixedly connected with the first joint flange, and the second pressure transducer is fixedly connected with the second joint flange.
In technique scheme, the other end of described feed tube is equipped with screen pack.
In technique scheme, also comprise casing and drain pipe, the liquid outlet of described drain pipe and process liquor returnable is connected, described process liquor buffer container, process liquor returnable, detection runner pipe, the first pressure transducer, the second pressure transducer, feed tube, drain pipe and second clean connecting pipe and are all located in casing, and the other end of feed tube, the other end of drain pipe and the other end of the second cleaning connecting pipe all stretch out outside casing.
In technique scheme, described process liquor returnable comprises vessel and upper cover, and vessel and upper cover load, above covers and has relief hole.
The good effect that the present invention has is: adopt after above-mentioned concentration detection apparatus, when use, the process streams pass-out mouth of described detection runner pipe communicates with returnable, because one end of feed tube of the present invention communicates with process liquor buffer container, one end of described detection runner pipe communicates with process liquor buffer container, in the time carrying out concentration detection, process liquor to be measured flows in process liquor buffer container by feed tube, and inflow detects runner pipe, again after the second pressure transducer and the first pressure transducer, convert the concentration change of process liquor to be measured to by the variation of pressure differential, and process liquor is finally stored in returnable by process streams pass-out mouth automatic overflow, can guarantee that process liquor is without leakage, the height of the process liquor circulation import of described detection runner pipe is lower than the height of the top spillway of process liquor buffer container, process liquor circulation import and process liquor buffer container top spillway have certain difference in height, but can not affect process liquor and enter the flow velocity detecting in runner pipe, like this, can eliminate process liquor flow velocity variation impact on pressure, therefore, can guarantee process liquor to be measured enter detect runner pipe speed keep constant, and there will not be variation, make process liquor concentration accuracy of detection high.Meanwhile, the present invention is simple in structure, is convenient to safeguard.
Brief description of the drawings
Fig. 1 is the structural representation of the first specific embodiment of the present invention;
Fig. 2 is the structural representation of the second specific embodiment of the present invention;
Fig. 3 is the structural representation of the third specific embodiment of the present invention;
Fig. 4 is the structural representation of the 4th kind of specific embodiment of the present invention;
Fig. 5 is the structural representation of the 5th kind of specific embodiment of the present invention;
Fig. 6 is the structural representation of the 6th kind of specific embodiment of the present invention;
Fig. 7 is the structural representation of the 7th kind of specific embodiment of the present invention;
Fig. 8 is the structural representation of the concentration sampling detecting device of domestic original dyeing and printing process liquid on-line continuous in prior art, and wherein 14-1 is that stopple coupon, 14-2 are that detector tube, 14-3 are that the first pressure transducer, 14-4 are the second pressure transducers;
Fig. 9 is the structural representation of the concentration sampling detecting device of external modified dyeing and printing process liquid on-line continuous in prior art, and wherein 15-1 is that stopple coupon, 15-2 are that detector tube, 15-3 are that the first pressure transducer, 15-4 are the second pressure transducers.
Embodiment
Below in conjunction with accompanying drawing and the embodiment that provides, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, comprises process liquor buffer container 1, detects runner pipe 3, the first pressure transducer 4, the second pressure transducer 5 and feed tube 6;
One end of described feed tube 6 communicates with process liquor buffer container 1;
One end of described detection runner pipe 3 communicates with process liquor buffer container 1, and one end of described detection runner pipe 3 is process liquor circulation import 3-3, and the height of process liquor circulation import 3-3 is lower than the height of the top spillway 1-1 of process liquor buffer container 1; Described top spillway 1-1 can be the opening of the upward direction of process liquor buffer container 1 upper end as shown in Figure 1, also can be process liquor buffer container 1 upper portion side wall direction laterally gap or overfolw hole or overflow the mouth of pipe, overflow to make process liquor in process liquor buffer container 1 can or overflow the spillway 1-1 such as the mouth of pipe from these openings or gap or overfolw hole in the time exceeding certain altitude; Described detection runner pipe 3 has process streams pass-out mouth 3-4, and the process liquor of described detection runner pipe 3 circulation import 3-3 is higher than process streams pass-out mouth 3-4;
Described the first pressure transducer 4 and the second pressure transducer 5 up and down separately and respectively with detect runner pipe 3 loads.
As shown in Figure 1, for prevent the present invention can residual process after using in liquid with residue, preventing from detecting runner pipe 3 stops up, and be convenient to clean blowdown, also comprise that the first cleaning connecting pipe 8 and second cleans connecting pipe 9, described first one end of cleaning connecting pipe 8 communicates with process liquor buffer container 1, and second one end of cleaning connecting pipe 9 communicates with the bottom of detecting runner pipe 3.If when clean to detection runner pipe 3 of the present invention, only cleaning fluid need be entered successively to process liquor buffer container 1 and detected runner pipe 3 by the first cleaning connecting pipe 8, finally clean connecting pipe 9 by second the soiling solution after cleaning is discharged.
As shown in Figure 1, compensate for the ease of the temperature to process liquor, solve the impact that temperature produces process liquor density, and further improve accuracy of detection, also comprise temperature detection sensor 10, described temperature detection sensor 10 is arranged on the locating between process streams pass-out mouth 3-4 and the first pressure transducer 4 of the other end of detecting runner pipe 3.It is the temperature detection sensor of WZP-280TL100 that described temperature detection sensor 10 can be selected model, and also can select model is the temperature sensor of WZP-270S, certainly, is not limited to this, also can select the temperature sensor of other model.
As shown in Figure 1, in order to realize the flow velocity that can know in real time process liquor, further improve accuracy of the present invention, stability and reliability, also comprise flow rate detection sensor 11, described flow rate detection sensor 11 is arranged on and detects on runner pipe 3.It is the flow rate detection sensor of FR-DT10 that described flow rate detection sensor 11 can be selected model, and also can select model is the flow rate detection sensor of LZ-01, certainly, is not limited to this, also can select the flow rate detection sensor of other model.
As shown in Figure 1, for the ease of assembling, make compact conformation of the present invention, described detection runner pipe 3 has the first joint flange 3-1 and the second joint flange 3-2, described the first pressure transducer 4 is fixedly connected with the first joint flange 3-1, and the second pressure transducer 5 is fixedly connected with the second joint flange 3-2.
As shown in Figure 1, in order to prevent that the impurity that process liquor to be measured contains from flowing into detection runner pipe 3, the other end of described feed tube 6 is equipped with screen pack 12.
Embodiment 2
As shown in Figure 2, embodiment 2 is with the difference of embodiment 1: a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, also comprise process liquor returnable 2, described process liquor returnable 2 has liquid outlet 7-1, and the height of the liquid outlet 7-1 of process liquor returnable 2 is lower than the height of the top spillway 1-1 of process liquor buffer container 1.Like this, for the ease of recovery process liquid.
As shown in Figure 2, described process liquor buffer container 1 is located in process liquor returnable 2; One end of described feed tube 6 penetrates process liquor returnable 2 and is connected with process liquor buffer container 1; One end of described detection runner pipe 3 is passed successively the bottom of process liquor returnable 2 and the bottom of process liquor buffer container 1 and is stretched in the cavity of process liquor buffer container 1, the other end of described detection runner pipe 3 is connected with the cavity of process liquor returnable 2, and the other end of described detection runner pipe 3 is process streams pass-out mouth 3-4; The corner of described detection runner pipe 3 bottoms is arc transition.
As shown in Figure 2, also comprise drain pipe 7, described drain pipe 7 is connected with the liquid outlet 7-1 of process liquor returnable 2.
As shown in Figure 2, in order further to prevent that process liquor from leaking, simultaneously, prevent that process liquor returnable 2 cavity internal pressures are excessive, described process liquor returnable 2 comprises vessel 2-1 and upper cover 2-2, and vessel 2-1 and upper cover 2-2 load, has relief hole 2-2-1 on upper cover 2-2.
If when the present invention is thoroughly cleaned, close the second cleaning connecting pipe 9, cleaning fluid is entered successively process liquor buffer container 1, is detected runner pipe 3 and process liquor returnable 2 by the first cleaning connecting pipe 8, is finally discharged by the liquid outlet 7-1 of process liquor returnable 2.
When the liquid level of process liquor is during higher than the height of the top spillway 1-1 of process liquor buffer container 1, process liquor automatic overflow, in process liquor returnable 2, finally flows out by the outlet 7-1 of drain pipe 7.
Embodiment 3
As shown in Figure 3, embodiment 3 is with the difference of embodiment 2: a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, and described process liquor buffer container 1 is located at the top of process liquor returnable 2, and described process liquor returnable 2 only includes vessel.Other structure of embodiment 3 is identical with embodiment 2.
Embodiment 4
As shown in Figure 4, embodiment 4 is with the difference of embodiment 3: a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, described flow rate detection sensor 11 is arranged in process liquor returnable 2, and flow rate detection sensor 11 is arranged on the drain pipe 7 of process liquor returnable 2.Other structure of embodiment 4 is identical with embodiment 3.
Embodiment 5
As shown in Figure 5, embodiment 5 is with the difference of embodiment 2: a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, also comprise casing 13, described process liquor buffer container 1, process liquor returnable 2, detection runner pipe 3, the first pressure transducer 4, the second pressure transducer 5, feed tube 6, drain pipe 7 and second clean connecting pipe 9 and are all located in casing 13, and the other end of feed tube 6, the other end of drain pipe 7 and the other end of the second cleaning connecting pipe 9 all stretch out outside casing 13.
As shown in Figure 5, for the ease of lifting, two suspension ring 13-1 arranged apart are arranged at the top of described casing 13.Can be by driving a vehicle or the suspension ring 13-1 of other hoisting structure by casing 13 implements allocation and transportation, than a dead lift, time saving and energy saving, work efficiency is high.Other structure of embodiment 2 is identical with embodiment 1.Other structure of embodiment 5 is identical with embodiment 2.
Embodiment 6
As shown in Figure 6, embodiment 6 is with the difference of embodiment 2: a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, one end of described feed tube 6 penetrates the upper cover 2-2 of process liquor returnable 2, and communicates with process liquor buffer container 1.Other structure of embodiment 6 is identical with embodiment 2.
Embodiment 7
As shown in Figure 7, embodiment 7 is with the difference of embodiment 2: a kind of dyeing and printing process liquid on-line continuous concentration detection apparatus, described first clean connecting pipe 8 one end with communicate with feed tube 6 by switch valve, second one end of cleaning connecting pipe 9 communicates with the bottom of detecting runner pipe 3, if will clean the present invention time, only need to open switch valve, then cleaning solution be injected to first and clean connecting pipe 8, and flow into by feed tube 6 in the cavity of process liquor buffer container 1.Other structure of embodiment 7 is identical with embodiment 2.
When the present invention uses, process liquor to be measured flows in process liquor buffer container 1 by the import 6-1 of feed tube 6, and inflow detects runner pipe 3, again after the second pressure transducer 5 and the first pressure transducer 4, the variation of the pressure differential detecting by two pressure transducers converts the concentration change of process liquor to be measured to, and last process liquid flows out by the process streams pass-out mouth 3-4 that detects runner pipe 3.Because the height of described process liquor circulation import 3-3 is lower than the height of the top spillway 1-1 of process liquor buffer container 1, can guarantee that it is constant entering the flow velocity detecting in runner pipe 3, there will not be variation.The present invention also tool has the following advantages: the first, can effectively solve the impact that the flow velocity of process liquor fluctuates on pressure transducer, and guarantee the stability of process liquor flow velocity, make accuracy of detection of the present invention high; The second, owing to the present invention includes temperature detection sensor, thereby can know in real time process liquor temperature, and in time the temperature of individual process liquor be compensated, solve the impact that temperature produces process liquor density, further improve accuracy of detection; The 3rd, because the present invention also comprises that flow rate detection sensor, first cleans connecting pipe and second and cleans connecting pipe, thereby can effectively solve the process streams blockage problem of threading a pipe, not only simple in structure, and be convenient to safeguard.
Claims (10)
1. a dyeing and printing process liquid on-line continuous concentration detection apparatus, is characterized in that: comprise process liquor buffer container (1), detect runner pipe (3), the first pressure transducer (4), the second pressure transducer (5) and feed tube (6);
One end of described feed tube (6) communicates with process liquor buffer container (1);
One end of described detection runner pipe (3) communicates with process liquor buffer container (1), one end of described detection runner pipe (3) is process liquor circulation import (3-3), and the height of process liquor circulation import (3-3) is lower than the height of the top spillway (1-1) of process liquor buffer container (1); Described detection runner pipe (3) has process streams pass-out mouth (3-4), and the process liquor of described detection runner pipe (3) circulation import (3-3) is higher than process streams pass-out mouth (3-4);
Described the first pressure transducer (4) and the second pressure transducer (5) up and down separately and respectively with detect runner pipe (3) load.
2. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 1, it is characterized in that: also comprise that the first cleaning connecting pipe (8) and second cleans connecting pipe (9), described first one end of cleaning connecting pipe (8) communicates with process liquor buffer container (1) or communicates with feed tube (6), and second one end of cleaning connecting pipe (9) communicates with the bottom of detecting runner pipe (3).
3. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 1, it is characterized in that: also comprise process liquor returnable (2), described process liquor returnable (2) has liquid outlet (7-1), and the height of the liquid outlet (7-1) of process liquor returnable (2) is lower than the height of the top spillway (1-1) of process liquor buffer container (1).
4. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 3, is characterized in that: described process liquor buffer container (1) is located in process liquor returnable (2) or is located at the top of process liquor returnable (2); One end of described feed tube (6) penetrates process liquor returnable (2) and is connected with process liquor buffer container (1); One end of described detection runner pipe (3) is passed successively the bottom of process liquor returnable (2) and the bottom of process liquor buffer container (1) and is stretched in the cavity of process liquor buffer container (1), the other end of described detection runner pipe (3) is connected with the cavity of process liquor returnable (2), and the other end of described detection runner pipe (3) is process streams pass-out mouth (3-4); The corner of described detection runner pipe (3) bottom is arc transition.
5. according to the dyeing and printing process liquid on-line continuous concentration detection apparatus described in claim 1 or 2 or 3, it is characterized in that: also comprise temperature detection sensor (10), described temperature detection sensor (10) is arranged on being positioned between process streams pass-out mouth (3-4) and the first pressure transducer (4) of the other end of detection runner pipe (3) and locates.
6. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 3, it is characterized in that: also comprise flow rate detection sensor (11), described flow rate detection sensor (11) is arranged on and detects in runner pipe (3) or process liquor returnable (2).
7. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 1, it is characterized in that: described detection runner pipe (3) has the first joint flange (3-1) and the second joint flange (3-2), described the first pressure transducer (4) is fixedly connected with the first joint flange (3-1), and the second pressure transducer (5) is fixedly connected with the second joint flange (3-2).
8. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 1, is characterized in that: the other end of described feed tube (6) is equipped with screen pack (12).
9. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 3, it is characterized in that: also comprise casing (13) and drain pipe (7), described drain pipe (7) is connected with the liquid outlet (7-1) of process liquor returnable (2), described process liquor buffer container (1), process liquor returnable (2), detect runner pipe (3), the first pressure transducer (4), the second pressure transducer (5), feed tube (6), drain pipe (7) and second cleans connecting pipe (9) and is all located in casing (13), and the other end of feed tube (6), the other end of drain pipe (7) and second other end that cleans connecting pipe (9) all stretch out outside casing (13).
10. dyeing and printing process liquid on-line continuous concentration detection apparatus according to claim 3, it is characterized in that: described process liquor returnable (2) comprises vessel (2-1) and upper cover (2-2), and vessel (2-1) and upper cover (2-2) load, have relief hole (2-2-1) on upper cover (2-2).
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| CN201410237176.9A CN103983747B (en) | 2014-05-30 | 2014-05-30 | Dyeing and printing process liquid on-line continuous concentration detection apparatus |
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Address after: 213000 No.11, Lihua North Road, Chashan street, Tianning District, Changzhou City, Jiangsu Province Patentee after: Changzhou Hongda Electrical Co., Ltd. Address before: 213022 Taishan Road, Xinbei District, Jiangsu, China, No. 220, No. Patentee before: Changzhou Hongda Electrical Co., Ltd. |