CN211562590U - Automatic nylon salt solution preparing device - Google Patents
Automatic nylon salt solution preparing device Download PDFInfo
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- CN211562590U CN211562590U CN201922263637.0U CN201922263637U CN211562590U CN 211562590 U CN211562590 U CN 211562590U CN 201922263637 U CN201922263637 U CN 201922263637U CN 211562590 U CN211562590 U CN 211562590U
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- tank
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- salt
- liquid level
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- 239000012266 salt solution Substances 0.000 title claims abstract description 113
- 239000004677 Nylon Substances 0.000 title claims abstract description 21
- 229920001778 nylon Polymers 0.000 title claims abstract description 21
- 239000000654 additive Substances 0.000 claims abstract description 98
- 230000000996 additive effect Effects 0.000 claims abstract description 89
- 239000007788 liquid Substances 0.000 claims abstract description 81
- 150000003839 salts Chemical class 0.000 claims abstract description 65
- 238000003860 storage Methods 0.000 claims abstract description 44
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000001960 triggered effect Effects 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000004321 preservation Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to an automatic allotment of nylon salt solution device of prepareeing material, the export of refined salt storage tank links to each other with the salt solution allotment jar through refined salt delivery pump and refined salt control valve, the bottom export of each additive storage tank links to each other with the additive metering tank through additive storage tank bleeder valve respectively, the bottom export of each additive metering tank links to each other with additive discharging main respectively through the metering tank bleeder valve, additive discharging main links to each other with the salt solution allotment jar through additive discharging main, the top of additive metering tank links to each other with the top of additive storage tank through the permeability cell respectively; the side wall of each additive metering tank is respectively provided with a liquid level switch, and when the liquid level switches are triggered, the discharge valves of the additive storage tanks are closed; the bottom of the salt solution preparation tank is connected with the inlet of the salt solution intermediate tank through a discharge valve of the salt solution preparation tank, and the outlet at the bottom of the salt solution intermediate tank is connected with the inlet of the concentration tank through a salt solution delivery pump. The device can guarantee that various raw materials measure accurately, and the fault rate is low, and allotment is efficient, low in labor strength.
Description
Technical Field
The utility model relates to an automatic allotment device of prepareeing material of nylon salt liquid belongs to chemical industry equipment technical field.
Background
The nylon salt solution is a monomer raw material for synthesizing nylon (polyamide), the prepared salt solution is firstly stored in a refined salt storage tank for later use, additives with different formulas are required to be added into the nylon salt solution according to different functions of nylon products in the market, and meanwhile, after the nylon production device is put into use, the prepared nylon salt solution is required to be continuously and stably supplied to a subsequent device to complete nylon synthesis.
When the existing nylon salt solution blending device is used for blending, various additives are usually added through a high-precision flowmeter, and an operator monitors and closes a valve. In actual work, the following defects exist: 1. the high-precision flowmeter is expensive and high in purchasing cost. 2. The high-precision flowmeter has high failure rate, short service life and high maintenance cost. 3. The labor capacity of operators is large, the automation degree is low, and the blending and material preparation efficiency is low. 4. Depending on the experience of operators, the blending precision is low and the quality of the salt solution is not high. 5. The operation error rate is high, and the subsequent processes are influenced. 6. Once the control valve of the additive fails, the additive continuously flows into the salt solution blending tank, so that the blending ratio is completely wrong, and the nylon salt solution is scrapped when the blending ratio is serious.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide an automatic allotment device of prepareeing material of nylon salt liquid, the measurement that can guarantee various raw materials is accurate, and maneuverability is strong, and the fault rate is low, allots efficiently, operative employee's low in labor strength.
For solving the technical problem, the utility model discloses an automatic allotment device of prepareeing material of nylon salt solution, including the refined salt storage tank, salt solution allotment jar and a plurality of additive storage tanks, be equipped with agitating unit along the axis of salt solution allotment jar, the export of refined salt storage tank is passed through refined salt delivery pump and refined salt control valve and is linked to each other with the refined salt entry of salt solution allotment jar, the bottom export of each additive storage tank is passed through additive storage tank bleeder valve respectively and is linked to each other with corresponding additive metering tank, the bottom export of each additive metering tank is passed through metering tank bleeder valve respectively and is linked to each other with additive discharging main, additive discharging main passes through additive discharging main valve and is linked to each other with the additive entry of salt solution allotment jar, the top of each additive metering tank passes through the permeability cell respectively and links to each other with the top of corresponding; the side wall of each additive metering tank is respectively provided with a metering tank liquid level switch, and when each metering tank liquid level switch is triggered, a discharge valve of the additive storage tank above the metering tank liquid level switch is closed; the bottom of the salt solution preparation tank is connected with the top inlet of the salt solution intermediate tank through a discharge valve of the salt solution preparation tank, and the bottom outlet of the salt solution intermediate tank is connected with the inlet of the concentration tank through a salt solution delivery pump.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: the method comprises the steps of firstly starting a refined salt delivery pump, delivering refined salt in a refined salt storage tank into a salt solution blending tank through a refined salt control valve, starting a stirring device when the salt solution blending tank exceeds a low liquid level, and closing the refined salt control valve and stopping the refined salt delivery pump when the salt solution blending tank reaches a set liquid level. Various types of additives are stored in the additive storage tanks respectively, the additive discharging main valve is opened firstly, then the discharging valve of the first additive storage tank is opened, the corresponding additives enter the additive metering tank, and gas at the top of the additive metering tank is discharged to the additive storage tank through the ventilating pipe, so that the additive metering tank is prevented from generating pressure build-up and influencing the flowing-in of the additives. When the additive reaches the required volume, the liquid level switch of the metering tank is triggered to close the discharge valve of the additive storage tank, then the discharge valve of the metering tank is opened, and the additive flows into the salt solution blending tank; and then adding a second additive until all the additives are added, and closing an additive discharging main valve. The salt solution blending tank is used for uniformly stirring various components, opening a discharge valve of the salt solution blending tank after blending the components into salt solution meeting the requirements, enabling the salt solution to flow into a salt solution intermediate tank for temporary storage and heat preservation, and then conveying the salt solution into a concentration tank by a salt solution conveying pump. The device cancels the traditional scheme of adopting a flowmeter to meter the additive, changes the additive metering tank and a liquid level switch of the metering tank to carry out quantitative metering, eliminates metering errors caused by the precision of the flowmeter, reduces fault points and greatly saves cost investment; and the discharge valve of the additive storage tank and the discharge valve of the metering tank are not opened simultaneously, so that even if a certain valve cannot be closed, the additive cannot flow into the salt solution preparation tank mistakenly, the salt solution cannot be polluted, and the preparation precision of the salt solution can be ensured.
As the utility model discloses an improve, the salt solution is transferred and is joined in marriage the lateral wall of jar and install the tank level gauge, and the middle groove level gauge is installed to the lateral wall of groove in the middle of the salt solution, and opening of salt solution is transferred and is controlled by the low liquid level signal of middle groove level gauge of jar bleeder valve, and closing of salt solution is transferred and is controlled by the low liquid level signal of transferring the tank level gauge of jar bleeder valve. When the salt solution intermediate tank reaches a low liquid level, the discharge valve of the salt solution blending tank is automatically opened, and the blended salt solution flows into the salt solution intermediate tank; when the salt solution blending tank reaches a low liquid level, the discharge valve of the salt solution blending tank is automatically closed.
As a further improvement of the utility model, the side wall of the middle groove of salt solution is installed the middle groove thermometer of salt solution, and the heat preservation coil pipe is installed to the bottom of the middle groove of salt solution, and the entry of heat preservation coil pipe links to each other with the hot water delivery pipe through hot water control valve, and the export of heat preservation coil pipe links to each other with the hot water wet return, and the aperture of hot water control valve is controlled by the temperature of middle groove thermometer of salt solution. The hot water on the production line is adopted to preserve the heat of the salt solution intermediate tank, and when the temperature measured by the salt solution intermediate tank thermometer is higher than a set value, the opening of the hot water control valve is automatically reduced; when the temperature measured by the thermometer of the salt solution middle tank is lower than a set value, the opening degree of the hot water control valve is automatically increased so as to keep the temperature of the salt solution middle tank stable.
As a further improvement of the utility model, the lateral wall of the concentration tank is provided with a concentration tank liquid level meter, and the starting of the salt liquid delivery pump is controlled by the low liquid level of the concentration tank liquid level meter. When the concentration tank reaches a low liquid level, the salt liquid conveying pump is automatically started, the salt liquid in the salt liquid intermediate tank is replenished into the concentration tank, and the stability of a subsequent production line is ensured.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Fig. 1 is a flow chart of the automatic material preparing device for preparing the medium nylon salt solution.
In the figure: C1. a refined salt storage tank; C2. a salt solution preparation tank; C3. a salt solution intermediate tank; C4. an additive storage tank; C5. an additive metering tank; C6. a concentration tank; l1, a refined salt storage tank liquid level meter; l2, a blending tank liquid level meter; l3, a middle tank liquid level meter; l4, a liquid level meter of the concentration tank; LK. metering tank level switch; v1, a refined salt control valve; v2, an additive discharging main valve; v3. discharge valve of salt solution preparation tank; v4. additive storage tank discharge valve; v5. metering tank outlet valve; v6. hot water control valves; t1, a salt solution middle tank thermometer; p1, a refined salt delivery pump; p2, a salt solution delivery pump; G1. an additive discharge main pipe; G2. a hot water supply pipe; G3. a hot water return pipe.
Detailed Description
As shown in fig. 1, the utility model discloses an automatic allotment of material preparation device of nylon salt solution includes refined salt storage tank C1, salt solution allotment jar C2 and a plurality of additive storage tank C4, be equipped with agitating unit along the axis of salt solution allotment jar C2, the export of refined salt storage tank C1 is connected with the refined salt entry of salt solution allotment jar C2 through refined salt delivery pump P1 and refined salt control valve V1, the bottom export of each additive storage tank C4 is connected with corresponding additive metering tank C5 through additive storage tank bleeder valve V4 respectively, the bottom export of each additive metering tank C5 is connected with additive discharging main pipe G1 through metering tank bleeder valve V5 respectively, additive discharging main pipe G1 is connected with the additive entry of salt solution allotment jar C2 through additive discharging main valve V2, the top of each additive metering tank C5 is connected with the top of corresponding additive storage tank C4 through ventilative pipe respectively; the side wall of each additive metering tank C5 is respectively provided with a metering tank liquid level switch LK, and when each metering tank liquid level switch LK is triggered, a discharge valve V4 of an additive storage tank above the metering tank liquid level switch LK is closed; the bottom of the salt solution preparation tank C2 is connected with the top inlet of the salt solution intermediate tank C3 through a discharge valve V3 of the salt solution preparation tank, and the bottom outlet of the salt solution intermediate tank C3 is connected with the inlet of the concentration tank C6 through a salt solution delivery pump P2.
Firstly, a refined salt delivery pump P1 is started, refined salt in a refined salt storage tank C1 is delivered into a salt liquid blending tank C2 through a refined salt control valve V1, a stirring device is started when the liquid level in the salt liquid blending tank C2 exceeds a low liquid level, and when a salt liquid blending tank C2 reaches a set liquid level, a refined salt control valve V1 is closed and the refined salt delivery pump P1 is stopped. The fine salt tank level gauge L1 monitors the level in the fine salt tank C1 for timely replenishment. Various types of additives are stored in the additive storage tanks C4 respectively, an additive discharging main valve V2 is opened firstly, then a first additive storage tank discharging valve V4 is opened, corresponding additives enter the additive metering tank C5, and gas at the top of the additive metering tank C5 is discharged to the additive storage tank C4 through a gas permeable pipe, so that the additive metering tank C5 is prevented from generating pressure holding and influencing the flowing of the additives. When the additive reaches the required volume, a liquid level switch LK of the metering tank is triggered, a discharge valve V4 of the additive storage tank is closed, then a discharge valve V5 of the metering tank is opened, and the additive flows into a salt liquid preparation tank C2; then the second additive is added until all the additive is added, and the additive discharge main valve V2 is closed. The salt solution blending tank C2 uniformly stirs various components, after the salt solution is blended into salt solution meeting the requirements, a discharge valve V3 of the salt solution blending tank is opened, the salt solution flows into a salt solution intermediate tank C3 for temporary storage and heat preservation, and then the salt solution is conveyed into a concentration tank C6 by a salt solution conveying pump P2.
The device cancels the traditional scheme of adopting a flowmeter to meter the additive, and changes the additive metering tank C5 and the liquid level switch LK of the metering tank to carry out quantitative metering, thereby eliminating the metering error caused by the precision reason of the flowmeter, reducing the fault point and greatly saving the cost investment; and the discharge valve V4 of the additive storage tank and the discharge valve V5 of the metering tank are not opened simultaneously, even if a certain valve cannot be closed, the additive cannot flow into the salt solution preparation tank C2 by mistake, the salt solution cannot be polluted, and the preparation precision of the salt solution can be ensured.
The side wall of the salt liquid blending tank C2 is provided with a blending tank liquid level meter L2, the side wall of the salt liquid intermediate tank C3 is provided with an intermediate tank liquid level meter L3, the opening of a discharge valve V3 of the salt liquid blending tank is controlled by a low liquid level signal of the intermediate tank liquid level meter L3, and the closing of a discharge valve V3 of the salt liquid blending tank is controlled by a low liquid level signal of the blending tank liquid level meter L2. When the salt liquid intermediate tank C3 reaches a low liquid level, the discharge valve V3 of the salt liquid blending tank is automatically opened, and the blended salt liquid flows into the salt liquid intermediate tank C3; when the salt solution blending tank C2 reaches a low liquid level, the discharge valve V3 of the salt solution blending tank is automatically closed.
The side wall of the salt solution middle tank C3 is provided with a salt solution middle tank thermometer T1, the bottom of the salt solution middle tank C3 is provided with a heat preservation coil pipe, the inlet of the heat preservation coil pipe is connected with a hot water supply pipe G2 through a hot water control valve V6, the outlet of the heat preservation coil pipe is connected with a hot water return pipe G3, and the opening degree of the hot water control valve V6 is controlled by the temperature of the salt solution middle tank thermometer T1. The hot water on the production line is adopted to preserve the temperature of the salt solution intermediate tank C3, and when the temperature measured by the salt solution intermediate tank thermometer T1 is higher than a set value, the opening degree of the hot water control valve V6 is automatically reduced; when the temperature measured by the salt solution intermediate tank thermometer T1 is lower than the set value, the opening degree of the hot water control valve V6 is automatically increased to keep the temperature of the salt solution intermediate tank C3 stable.
The side wall of the concentration tank C6 is provided with a concentration tank liquid level meter L4, and the start of the salt liquid delivery pump P2 is controlled by the low liquid level of the concentration tank liquid level meter L4. When the concentration tank C6 reaches a low liquid level, the salt solution delivery pump P2 is automatically started, and the salt solution in the salt solution intermediate tank C3 is supplemented into the concentration tank C6, so that the stability of the subsequent production line is ensured.
The above is only a preferred and feasible embodiment of the present invention, and the protection scope of the present invention is not limited thereby. In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.
Claims (4)
1. The utility model provides an automatic allotment device of prepareeing material of nylon salt solution, includes refined salt storage tank, salt solution allotment jar and a plurality of additive storage tanks, is equipped with agitating unit along the axis of salt solution allotment jar, and the export of refined salt storage tank links to each other its characterized in that through the refined salt entry of refined salt delivery pump and refined salt control valve and salt solution allotment jar: the bottom outlet of each additive storage tank is connected with the corresponding additive metering tank through an additive storage tank discharge valve respectively, the bottom outlet of each additive metering tank is connected with an additive discharge main pipe through a metering tank discharge valve respectively, the additive discharge main pipe is connected with the additive inlet of the salt solution blending tank through an additive discharge main valve, and the top of each additive metering tank is connected with the top of the corresponding additive storage tank through a vent pipe respectively; the side wall of each additive metering tank is respectively provided with a metering tank liquid level switch, and when each metering tank liquid level switch is triggered, a discharge valve of the additive storage tank above the metering tank liquid level switch is closed; the bottom of the salt solution preparation tank is connected with the top inlet of the salt solution intermediate tank through a discharge valve of the salt solution preparation tank, and the bottom outlet of the salt solution intermediate tank is connected with the inlet of the concentration tank through a salt solution delivery pump.
2. The automatic nylon salt solution blending and preparing device of claim 1, wherein: the side wall of the salt liquid blending tank is provided with a blending tank liquid level meter, the side wall of the salt liquid intermediate tank is provided with an intermediate tank liquid level meter, the opening of the discharge valve of the salt liquid blending tank is controlled by a low liquid level signal of the intermediate tank liquid level meter, and the closing of the discharge valve of the salt liquid blending tank is controlled by a low liquid level signal of the blending tank liquid level meter.
3. The automatic nylon salt solution blending and preparing device of claim 2, wherein: the side wall of the salt liquid middle groove is provided with a salt liquid middle groove thermometer, the bottom of the salt liquid middle groove is provided with a heat preservation coil pipe, the inlet of the heat preservation coil pipe is connected with a hot water supply pipe through a hot water control valve, the outlet of the heat preservation coil pipe is connected with a hot water return pipe, and the opening degree of the hot water control valve is controlled by the temperature of the salt liquid middle groove thermometer.
4. The automatic nylon salt solution blending and preparing device of claim 3, wherein: the side wall of the concentration tank is provided with a concentration tank liquid level meter, and the start of the salt liquid delivery pump is controlled by the low liquid level of the concentration tank liquid level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263637.0U CN211562590U (en) | 2019-12-17 | 2019-12-17 | Automatic nylon salt solution preparing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263637.0U CN211562590U (en) | 2019-12-17 | 2019-12-17 | Automatic nylon salt solution preparing device |
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| Publication Number | Publication Date |
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| CN211562590U true CN211562590U (en) | 2020-09-25 |
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| CN201922263637.0U Active CN211562590U (en) | 2019-12-17 | 2019-12-17 | Automatic nylon salt solution preparing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856520A (en) * | 2021-09-11 | 2021-12-31 | 江苏嘉通能源有限公司 | Automatic blending system for short fiber oiling agent and control method thereof |
-
2019
- 2019-12-17 CN CN201922263637.0U patent/CN211562590U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856520A (en) * | 2021-09-11 | 2021-12-31 | 江苏嘉通能源有限公司 | Automatic blending system for short fiber oiling agent and control method thereof |
| CN113856520B (en) * | 2021-09-11 | 2022-11-11 | 江苏嘉通能源有限公司 | Automatic blending system for short fiber oiling agent and control method thereof |
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Address after: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Huitong Technology Co.,Ltd. Address before: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU HUITONG CHEMICAL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |