CN211800562U - Formaldehyde-free shaping agent recovery system for mineral wool continuous production - Google Patents
Formaldehyde-free shaping agent recovery system for mineral wool continuous production Download PDFInfo
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- CN211800562U CN211800562U CN202020292303.6U CN202020292303U CN211800562U CN 211800562 U CN211800562 U CN 211800562U CN 202020292303 U CN202020292303 U CN 202020292303U CN 211800562 U CN211800562 U CN 211800562U
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Abstract
The utility model discloses a formaldehyde-free setting agent recovery system for continuous production of mineral wool, which comprises a monitoring kettle, a detector and a controller, wherein the monitoring kettle is used for receiving waste liquid generated in the production process and detecting the performance of the waste liquid in real time through the detector; the control device is electrically connected with the monitoring kettle and is used for receiving a signal detected by the monitoring kettle and comparing the detected signal with a preset signal value, so that a certain proportion of waste liquid is mixed into the mixing kettle again; the first pipeline is used for enabling waste liquid in the monitoring kettle to flow back to the mixing kettle, and a monitoring kettle flowmeter electrically connected with the control device is arranged on the first pipeline and used for adjusting the proportion of the waste liquid in the monitoring kettle mixed with the mixing kettle. The utility model discloses a continuity of production is guaranteed to the recovery of the mixed liquid of formaldehyde-free setting agent in the mainly used chemical industry formaldehyde-free mineral wool.
Description
Technical Field
The utility model relates to a chemical industry waste recycling technical field, more specifically say, relate to an amorphous agent recovery system that can be used to mineral wool continuous production.
Background
In the conventional continuous production process of formaldehyde-free mineral wool, a formaldehyde-free setting agent (generally 35-70% of solid content), tap water with several times of the formaldehyde-free setting agent and other auxiliary agents are diluted and uniformly mixed in a mixing kettle and then conveyed to a glue spraying system, 20-40% of mixed liquid of the formaldehyde-free setting agent is usually lost due to ineffective use during glue spraying, and the lost part is directly discharged as waste liquid, so that the environmental pollution is caused, the waste of the formaldehyde-free setting agent is caused, and the production cost is increased.
Application number is 201520823830.4, chinese patent application of application date for 2015 year 10 month 23 days, disclose a waste water recycle device for cotton preparation of glass, including the separation casing, the separation casing includes the one-level separating chamber, the second grade separating chamber, tertiary separating chamber, be equipped with the inlet on the one-level separating chamber, be equipped with the liquid outlet on the tertiary separating chamber, the inside foaming blender that is equipped with of second grade separating chamber, this application simple structure, to a certain extent improved sewage treatment effect, waste water is through the one-level, the second grade, tertiary filtration is as system gum reaction water, but this application not enough lies in: the continuity of wastewater treatment and production in this application cannot be guaranteed, and if the wastewater treatment lags behind, the production is affected.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome among the prior art because in the formaldehyde-free mineral wool production process, environment, cost scheduling problem that the direct discharge of waste liquid brought provide an formaldehyde-free calibrator recovery system that can be used to mineral wool continuous production, in this recovery system, through the change of the solid content of real-time supervision mixed liquid, pH value and viscosity to confirm that the waste liquid sneaks into the proportion of mixing the cauldron, guarantee the continuity of production.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does: a recovery system of formaldehyde-free setting agent for continuous production of mineral wool comprises,
the monitoring kettle is used for receiving the waste liquid generated in the production process and can detect the performance of the waste liquid in real time through the detector;
the control device is electrically connected with the monitoring kettle and is used for receiving a signal detected by the monitoring kettle and comparing the detected signal with a preset signal value, so that a certain proportion of waste liquid is mixed into the mixing kettle again;
the first pipeline is used for enabling waste liquid in the monitoring kettle to flow back to the mixing kettle, and a monitoring kettle flowmeter electrically connected with the control device is arranged on the first pipeline and used for adjusting the proportion of the waste liquid in the monitoring kettle mixed with the mixing kettle.
As a further improvement of the utility model, the device also comprises a storage kettle for storing the waste liquid; and a second pipeline for communicating the storage kettle with the monitoring kettle, wherein the second pipeline is provided with a storage kettle flowmeter for adjusting the flow of the waste liquid flowing into the monitoring kettle from the storage kettle.
As a further improvement, the utility model also comprises a filter for filtering the waste liquid, wherein the filter is communicated with the storage kettle through a third pipeline.
As a further improvement, the monitoring kettle is internally provided with a pH value detector, a viscosity detector and a density detector which are electrically connected with the control device.
As a further improvement, the monitoring kettle is internally provided with a stirrer.
As a further improvement, the monitoring kettle bottom is provided with a flow abandoning pipeline.
As a further improvement of the utility model, a stirrer is arranged in the storage kettle.
As a further improvement of the present invention, the storage kettle flowmeter is electrically connected to the control device.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model discloses an anhydrous formaldehyde calibrator recovery system that can be used to mineral wool continuous production, compare the waste liquid direct discharge, carry out real-time supervision to the basic performance of waste liquid through the monitoring cauldron, the testing result is received the back by control system, sneak into the mixing kettle again with the waste liquid of certain proportion for produce new anhydrous formaldehyde mineral wool, the waste of anhydrous formaldehyde calibrator has been reduced on the one hand, save the stoste, and reduction in production cost, on the other hand reduces the influence that the chemical products caused to the environment. Compared with the treatment means of the existing chemical equipment on the waste liquid, the closed-loop process of the recovery system can meet the requirement of continuous production of formaldehyde-free mineral wool.
Drawings
FIG. 1 is a schematic structural diagram of a formaldehyde-free fixative recycling system for continuous production of mineral wool according to the present invention;
FIG. 2 is a control schematic of the recovery system of FIG. 1;
fig. 3 is a schematic structural view of a preferred embodiment of the recycling system of fig. 1.
The reference numerals in the schematic drawings illustrate:
1. monitoring the kettle; 2. a control device; 3. a signal source; 4. a mixing kettle; 5. storing the kettle; 6. a filter; 10. a first conduit; 20. a second conduit; 30. a third pipeline; 40. a flow abandoning pipeline; 50. a stirrer; 11. a detector.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, a formaldehyde-free setting agent recovery system for continuous production of mineral wool, which comprises a monitoring kettle 1 and a control device 2, wherein the monitoring kettle 1 is used for receiving waste liquid generated in the production process and detecting the performance of the waste liquid in real time, and a detector 11 for detecting the performance of the waste liquid is arranged in the monitoring kettle 1; controlling means 2 is connected with monitoring cauldron 1 electricity for receive by the signal that monitoring cauldron 1 detected, and with detected signal and the signal value comparison of predetermineeing, thereby make the waste liquid of certain proportion sneak into again and mix cauldron 4, above-mentioned recovery system is still including being arranged in making the waste liquid in the monitoring cauldron 1 flow back to the first pipeline 10 in mixing cauldron 4, be provided with the monitoring cauldron flowmeter 101 of being connected with controlling means 2 electricity on the first pipeline 10, be used for adjusting the waste liquid in the monitoring cauldron 1 sneak into the proportion of mixing cauldron 4.
It should be noted that, the utility model provides a recovery system mainly used is in the production technology of formaldehyde-free mineral wool, what hold in the mixing kettle 4 herein is therefore fresh the calibrator mixed liquid that is used for producing formaldehyde-free mineral wool, for convenient the narration, define here as "glue blending liquid", the waste liquid refers to the calibrator mixed liquid of retrieving in the production process, should know by the skilled person in the art, if this recovery system can be used for the production of other chemical products, glue blending liquid and waste liquid can be the mixed liquid of producing other chemical products, do not do the restriction here.
Compare with the direct discharge of waste liquid, above-mentioned recovery system carries out real-time supervision to the basic performance of waste liquid through monitoring cauldron 1, and the testing result is received the back by controlling means 2, sneaks into mixing cauldron 4 again with the waste liquid of certain proportion, sneaks into promptly and joins in the glue solution, can be used to produce new formaldehyde-free mineral wool, has reduced the waste of formaldehyde-free type agent on the one hand, saves the stoste, reduction in production cost, on the other hand reduces the influence that the chemical products caused the environment. Compared with the treatment means of the existing chemical equipment on the waste liquid, the closed-loop process of the recovery system can meet the requirement of continuous production of formaldehyde-free mineral wool.
In practical application, referring to the control schematic diagram of fig. 2, the control device 2 is connected to the signal source 3, and simultaneously, the formula proportion required by the mixing kettle 4 is input and mixed as an initial preset value, the power is turned on, the recovery system works, the detector 11 in the monitoring kettle 1 detects the performance of the waste liquid, if the pH value detector detects the pH value of the waste liquid, the detected signal is fed back to the control device 2, the control device 2 compares the preset value with the detected signal to obtain a deviation signal, and the output flow of the monitoring kettle flowmeter 101 is finally controlled after the deviation signal passes through the amplifier, so that the proportion entering the mixing kettle 4 is controlled. The control device 2 is a closed-loop control, the structure and principle of which are well known to those skilled in the art, and those skilled in the art can flexibly select the control device according to the needs, and will not be described in detail herein. The detector in the monitoring kettle can be flexibly selected according to actual needs, and is not limited herein.
In a preferred embodiment, the recovery system further comprises a storage tank 5 for storing the waste liquid; and a second pipeline 20 for communicating the storage kettle 5 with the monitoring kettle 1, wherein the second pipeline 20 is provided with a storage kettle flowmeter 201 for adjusting the flow rate of the waste liquid flowing into the monitoring kettle 1 from the storage kettle 5.
Before the waste liquid got into monitoring cauldron 1, store earlier in storing cauldron 5, store cauldron 5 and be used for balanced flow to use, under specific circumstances, when the volume of pH value monitor was used up, when failing in time to use, through adjusting the output flow who stores cauldron flowmeter 201, can store the waste liquid temporarily in storing cauldron 5.
In a preferred embodiment, the recovery system further comprises a filter 6 for filtering the waste liquid, and the filter 6 is communicated with the storage tank 5 through a third pipeline 30 for filtering the waste liquid entering the storage tank 5.
In a preferred embodiment, the detectors 11 disposed in the monitoring tank 1 are a pH detector, a viscosity detector and a density detector respectively electrically connected with the control device 2. it should be noted that the above recovery system is used for the production of formaldehyde-free mineral wool, and for the waste liquid, the proportion mixed in the mixing tank and the solid content can be determined after measuring the relevant data of pH value, viscosity and solid content, and no cheap direct online measurement method exists at present, because the density of the formaldehyde-free setting agent is 1.2-1.3g/cm3The density of the mixed liquid of the formaldehyde-free setting agent is higher than that of tap water, the density of the mixed liquid of the formaldehyde-free setting agent and the tap water changes along with the different proportion of the mixed liquid of the formaldehyde-free setting agent and the tap water, so that the concentration of the mixed liquid of the formaldehyde-free setting agent can be calculated through density detection. The pH value detector, the viscosity detector and the density detector which are arranged in the monitoring kettle 1 are respectively used for detecting the pH value, the viscosity and the density of the waste liquid.
The pH detector, the viscosity detector and the density detector are all in the prior art, for example, the pH detector can adopt an online pH meter, the viscosity detector can adopt an online viscometer of hydramouton company, and the density detector can adopt an online densimeter and the like. Such as the online viscometer of hydramouton, can be used for laboratory development and online production monitoring, and the principle is that the viscosity of the material is continuously measured by a vibrating probe, then the real-time measurement result is displayed on the transmitter (1 reading in 1 second), and can also be transmitted to a DCS room or a computer screen or a data acquisition instrument through a 4-20mA current signal, the current viscosity value and the viscosity change trend curve of the material in the process can be visually observed to achieve the purposes of monitoring the viscosity change and control of the material in real time, the instrument has stable operation, excellent precision and repeatability, no maintenance and no calibration, and has a large number of mature application cases on production devices of various industries and world famous chemical industry huge heads, the method is characterized in that the viscosity range, the pressure and the connection process can be customized, the temperature can reach 450 ℃ at most, and the method is suitable for almost all viscosity measurement occasions. These detection devices are widely used in the art, and the structure and principle thereof are well known to those skilled in the art, and those skilled in the art can flexibly select the detection device according to the needs, and will not be further described herein.
In a preferred embodiment, a stirrer 50 is provided in the monitoring tank 1, and the stirrer 50 is used for stirring the waste liquid to make the mixture more uniform, so as to ensure the accuracy of the detection result.
In a preferred embodiment, the bottom of monitoring tank 1 is provided with a waste pipe 40, and the excess waste liquid can be discharged through waste pipe 40.
In a preferred embodiment, a stirrer 50 is disposed in the storage tank 5 to increase the stirring of the mixed solution and improve the accuracy of the detection result.
In a preferred embodiment, the storage tank flow meter 201 is electrically connected to the control device 2, and the output flow of the storage tank flow meter 201 is automatically adjusted by the control device 2.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a can be used to mineral wool continuous production's formaldehydeless calibrator recovery system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the monitoring kettle (1) is used for receiving waste liquid generated in the production process and can detect the performance of the waste liquid in real time through a detector (11);
the control device (2) is electrically connected with the monitoring kettle (1) and is used for receiving a signal detected by the monitoring kettle (1) and comparing the detected signal with a preset signal value, so that the waste liquid in a certain proportion is mixed into the mixing kettle (4) again;
the device comprises a first pipeline (10) for enabling waste liquid in a monitoring kettle (1) to flow back to a mixing kettle (4), wherein a monitoring kettle flowmeter (101) electrically connected with a control device (2) is arranged on the first pipeline (10) and used for adjusting the proportion of the waste liquid in the monitoring kettle (1) mixed into the mixing kettle (4).
2. The system for recovering the formaldehyde-free fixative used for the continuous production of mineral wool as claimed in claim 1, wherein: also comprises a storage kettle (5) for storing the waste liquid; and a second pipeline (20) for communicating the storage kettle (5) with the monitoring kettle (1), wherein the second pipeline (20) is provided with a storage kettle flowmeter (201) for adjusting the flow rate of the waste liquid flowing into the monitoring kettle (1) from the storage kettle (5).
3. The system for recovering the formaldehyde-free fixative usable in the continuous production of mineral wool according to claim 2, wherein: the device also comprises a filter (6) for filtering waste liquid, wherein the filter (6) is communicated with the storage kettle (5) through a third pipeline (30).
4. The system for recovering the formaldehyde-free fixative used for the continuous production of mineral wool as claimed in claim 1, wherein: and a pH value detector, a viscosity detector and a density detector which are electrically connected with the control device (2) are arranged in the monitoring kettle (1).
5. The system for recovering the formaldehyde-free fixative used for the continuous production of mineral wool as claimed in claim 1, wherein: a stirrer (50) is arranged in the monitoring kettle (1).
6. The system for recovering the formaldehyde-free fixative used for the continuous production of mineral wool as claimed in claim 1, wherein: and a flow discarding pipeline (40) is arranged at the bottom end of the monitoring kettle (1).
7. The system for recovering the formaldehyde-free fixative usable in the continuous production of mineral wool according to claim 2, wherein: a stirrer (50) is arranged in the storage kettle (5).
8. The system for recovering the formaldehyde-free fixative usable in the continuous production of mineral wool according to claim 2, wherein: the storage kettle flowmeter (201) is electrically connected with the control device (2).
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| CN202020292303.6U CN211800562U (en) | 2020-03-11 | 2020-03-11 | Formaldehyde-free shaping agent recovery system for mineral wool continuous production |
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| CN202020292303.6U CN211800562U (en) | 2020-03-11 | 2020-03-11 | Formaldehyde-free shaping agent recovery system for mineral wool continuous production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380938A (en) * | 2021-12-30 | 2022-04-22 | 江苏艾科赛特新材料有限公司 | Special formaldehyde-free setting agent for improving water resistance of mineral wool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114380938A (en) * | 2021-12-30 | 2022-04-22 | 江苏艾科赛特新材料有限公司 | Special formaldehyde-free setting agent for improving water resistance of mineral wool |
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