CN217393679U - High-precision triethylamine automatic quantifying device - Google Patents
High-precision triethylamine automatic quantifying device Download PDFInfo
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- CN217393679U CN217393679U CN202220262562.3U CN202220262562U CN217393679U CN 217393679 U CN217393679 U CN 217393679U CN 202220262562 U CN202220262562 U CN 202220262562U CN 217393679 U CN217393679 U CN 217393679U
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- triethylamine
- stainless steel
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- polytetrafluoroethylene
- steel magnetic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Abstract
The utility model discloses a high-precision triethylamine automatic quantifying device, which comprises a triethylamine storage tank, a stainless steel magnetic pump, a precision gear flowmeter, a polytetrafluoroethylene two-position three-way valve and a high-speed counter; triethylamine storage jar passes through the tube coupling with the import of stainless steel magnetic drive pump, and the accurate gear flowmeter is connected to the stainless steel magnetic drive pump export, and accurate gear flowmeter entrance point and stainless steel magnetic drive pump are connected, and accurate gear flowmeter exit end links to each other with the import of two three-way valves of polytetrafluoroethylene, and three ethylamine gas generator and triethylamine storage jar are connected respectively to two exports of two three-way valves of polytetrafluoroethylene, and high-speed counter is used for calculating the measurement pulse that accurate gear flowmeter sent. The utility model discloses simple structure, the precision is high, can be accurate to 0.1g, and the small investment, reliable and stable can accurate control triethylamine's quantity proportion in putting into production, realizes the best reaction ratio of triethylamine, reduces environmental pollution and can also reduction in production cost simultaneously.
Description
Technical Field
The utility model belongs to the technical field of amine method cold box resin sand coremaking, concretely relates to high accuracy triethylamine automatic quantification device.
Background
The technology for making core with resin sand in cold core box by amine method is that the polybenzylether phenolic resin component, polyisocyanate component and raw sand are mixed and injected into the cold core box, then compressed air is used as carrier, the liquid triethylamine is heated and atomized and blown into the cold core box, so that the sand core is quickly hardened in the core box, and then the sand core is taken out to obtain the finished sand core with smooth surface. The amount of triethylamine added determines the hardening speed and the hardening quality of the sand core, too little sand core is added, the sand core is not hardened sufficiently, the strength is not enough, the sand core is easy to break or desalt, too much sand core is added, the air permeability is not good, and excessive triethylamine is discharged excessively to pollute the environment.
The quantitative diaphragm pump used by the existing triethylamine quantitative unit realizes supply by driving a piston rod to suck in a reciprocating manner by virtue of an air cylinder on a pump body, the supply amount is determined by controlling the reversing times of the air cylinder through a system, the stroke of the air cylinder is ensured by mechanical limitation, and the minimum stroke is limited, the structure of the quantitative diaphragm pump determines that the error of quantitative precision is large, the requirements of cost and environmental protection can not be met, and triethylamine is excessively added in order to ensure the hardening quality of a sand core in actual production, so that the triethylamine is seriously wasted.
With the increase of the national environmental protection requirement standard and the requirement of reducing the production cost, a high-precision, stable and reliable quantitative device is necessary to be considered for upgrading and reconstruction.
Disclosure of Invention
In order to solve the above-mentioned problem that prior art exists, the utility model provides an automatic proportioning device of high accuracy triethylamine, simple structure, the precision is high, can be accurate to 0.1g, and the small investment, reliable and stable can accurate control triethylamine's quantity proportion in production, realizes the best reaction ratio of triethylamine, reduces environmental pollution and can also reduction in production cost simultaneously. The utility model discloses with the novel triethylamine metering device of stainless steel magnetic drive pump, accurate gear flowmeter, the perfect combination of high-speed counter, not only considered measurement accuracy and taken into account the flammability and the corrosivity of triethylamine simultaneously in the design, corrosion-resistant material has all been chooseed for use to all components, has adopted explosion proof machine in the electrical design, and the safety grid carries out signal isolation, has ensured the safety requirement.
The utility model aims at realizing through the following technical scheme:
a high-precision triethylamine automatic quantifying device comprises a triethylamine storage tank, a stainless steel magnetic pump, a precision gear flow meter, a polytetrafluoroethylene two-position three-way valve and a high-speed counter; triethylamine storage jar passes through the tube coupling with the import of stainless steel magnetic drive pump, and the accurate gear flowmeter is connected to the stainless steel magnetic drive pump export, and accurate gear flowmeter entrance point and stainless steel magnetic drive pump are connected, and accurate gear flowmeter exit end links to each other with the import of two three-way valves of polytetrafluoroethylene, and three ethylamine gas generator and triethylamine storage jar are connected respectively to two exports of two three-way valves of polytetrafluoroethylene, and high-speed counter is used for calculating the measurement pulse that accurate gear flowmeter sent.
Further, a liquid level detection sensor is installed on the triethylamine storage tank.
Furthermore, a stainless steel ball valve and a stainless steel one-way valve are sequentially arranged on a connecting pipeline between the triethylamine storage tank and the stainless steel magnetic pump.
Furthermore, a stainless steel filter is arranged between the stainless steel ball valve and the stainless steel one-way valve.
Furthermore, the stainless steel magnetic pump is driven by an alternating-current explosion-proof motor, and provides output of triethylamine medium for the high-precision triethylamine automatic quantifying device.
Furthermore, the precision gear flowmeter calculates the number of pulses generated by the rotation of the internal gear of the precision gear flowmeter through the high-speed counter, so as to realize the measurement of the triethylamine conveying capacity.
Further, the polytetrafluoroethylene two-position three-way valve controls the flow direction of triethylamine through an electromagnetic valve.
Further, the precision gear flowmeter is replaced by a gear pulse pump.
The utility model discloses following beneficial effect has:
the novel triethylamine metering device perfectly combines the stainless steel magnetic pump, the precise gear flowmeter and the high-speed counter, not only considers the metering precision, but also considers the inflammability and corrosivity of triethylamine in the design, all elements are made of corrosion-resistant materials, an explosion-proof motor is adopted in the electrical design, a safety grid is used for signal isolation, and the safety requirement is ensured;
the application of the stainless steel one-way valve can ensure that the amine supply pipeline is always in a full state, and prevent the pipeline from being evacuated caused by backflow, thereby influencing the metering precision;
the use of two three-way valves can avoid because the impact of the water hammer effect of magnetic drive pump opening the in-process and stopping to accurate gear flowmeter to guarantee the measurement accuracy.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic diagram of the high-precision triethylamine automatic quantifying device of the utility model;
FIG. 2 is a schematic diagram of a prior art composition;
in the figure:
1-triethylamine storage tank; 2-stainless steel magnetic pump; 3-precision gear flow meter; 4-poly-tetrachloro two-position three-way valve; 5-a high speed counter; a 6-triethylamine gas generator; 7-stainless steel ball valves; 8-stainless steel filters; 9-stainless steel check valve; 10-AC explosion-proof motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
A high-precision triethylamine automatic quantifying device is applied to a cold core box core making machine and comprises a triethylamine storage tank 1, a stainless steel magnetic pump 2, a precision gear flow meter 3, a polytetrafluoroethylene two-position three-way valve 4 and a high-speed counter 5. Triethylamine storage jar 1 passes through the tube coupling with 2 imports of stainless steel magnetic pump, 2 exit linkage precision gear flowmeter 3 of stainless steel magnetic pump, 3 entrance points of precision gear flowmeter are connected with stainless steel magnetic pump 2, 3 exit ends of precision gear flowmeter link to each other with the import of two three-way valve of polytetrafluoroethylene, three ethylamine gas generator 6 and triethylamine storage jar 1 are connected respectively to two exports of two three-way valve of polytetrafluoroethylene, high-speed counter is used for calculating the measurement pulse that precision gear flowmeter sent.
Triethylamine storage jar 1 is used for splendid attire triethylamine medium, and triethylamine storage jar 1 is installed the liquid level detection sensor, sends alarm signal notice and supplys triethylamine when the triethylamine liquid level in jar is low, sends alarm signal and stops to add when the triethylamine liquid level in jar reaches the upper limit.
And a stainless steel ball valve 7, a stainless steel filter 9 and a stainless steel one-way valve 9 are sequentially arranged on a connecting pipeline of the triethylamine storage tank 1 and the stainless steel magnetic pump 2.
The stainless steel magnetic pump 2 is driven by an alternating-current explosion-proof motor 10 and provides output of triethylamine medium for the high-precision triethylamine automatic quantifying device.
The precision gear flowmeter 3 calculates the number of pulses generated by the rotation of the internal gear of the precision gear flowmeter 3 through the high-speed counter 5, so as to realize the measurement of the triethylamine conveying capacity; and the rotation of the stainless steel magnetic pump and the flow direction switching of the polytetrafluoroethylene two-position three-way valve are controlled according to a preset value.
And the polytetrafluoroethylene two-position three-way valve controls the flow direction of triethylamine through an electromagnetic valve.
The precision gear flowmeter 3 is replaced by a gear pulse pump.
The utility model discloses a theory of operation does:
a triethylamine automatic supply system host sends out an amine quantitative request;
an electric outlet of the polytetrafluoroethylene two-position three-way valve is communicated with a triethylamine gas generator, and the stainless steel magnetic pump is opened to start amine supply;
the precise gear flowmeter works to send out a metering pulse to a high-speed counter, and the high-speed counter captures the pulse to start counting;
after the counting pulse reaches a set value, a metering ending signal is sent to the host;
a power-off outlet of the polytetrafluoroethylene two-position three-way valve is communicated with a triethylamine storage tank;
and (5) turning off the stainless steel magnetic pump, and waiting for standby.
The utility model discloses an installation requirement:
the horizontal cylinder position control adopts an adjustable mechanical limiting mechanism, and the horizontal cylinder is locked after being repeatedly adjusted and confirmed according to the positions of the cover plates in practice. The lifting cylinder normal position is the extreme position after the cylinder retracts, gets the position of putting the baffle and adopts the position detection switch who installs in the vacuum chuck middle part to detect, descends as the lifting cylinder, and vacuum suction nozzle contacts the apron and has the certain back action of triggering after the volume of contracting, and detection switch still has the spacing function of machinery simultaneously, guarantees that vacuum suction nozzle can not pass through to contract and causes the damage.
Example 1
A high-precision triethylamine automatic quantifying device is applied to a cold core box core making machine and comprises a triethylamine storage tank 1, a stainless steel magnetic pump 2, a precision gear flow meter 3, a polytetrafluoroethylene two-position three-way valve 4 and a high-speed counter 5. Triethylamine storage jar 1 passes through the tube coupling with 2 imports of stainless steel magnetic pump, 2 exit linkage precision gear flowmeter 3 of stainless steel magnetic pump, 3 entrance points of precision gear flowmeter are connected with stainless steel magnetic pump 2, 3 exit ends of precision gear flowmeter link to each other with the import of two three-way valve of polytetrafluoroethylene, three ethylamine gas generator 6 and triethylamine storage jar 1 are connected respectively to two exports of two three-way valve of polytetrafluoroethylene, high-speed counter is used for calculating the measurement pulse that precision gear flowmeter sent.
Example 2
A high-precision triethylamine automatic quantifying device is applied to a cold box core making machine and comprises a triethylamine storage tank 1, a stainless steel magnetic pump 2, a gear pulse pump, a polytetrafluoroethylene two-position three-way valve 4 and a high-speed counter 5. Triethylamine storage jar 1 passes through the tube coupling with stainless steel magnetic pump 2 import, and 2 exit linkage gear pulse pumps of stainless steel magnetic pump, and gear pulse pump entrance point is connected with stainless steel magnetic pump 2, and gear pulse pump exit end links to each other with the import of two three-way valves of polytetrafluoroethylene, and three-way valve of polytetrafluoroethylene two exports are connected triethylamine gas generator 6 and triethylamine storage jar 1 respectively, and high-speed counter is used for calculating the measurement pulse that gear pulse pump sent.
Example 3
A high-precision triethylamine automatic quantifying device is applied to a cold box core making machine and comprises a triethylamine storage tank 1, a stainless steel magnetic pump 2, a peristaltic pump, a polytetrafluoroethylene two-position three-way valve 4 and a high-speed counter 5. Triethylamine storage jar 1 passes through the tube coupling with stainless steel magnetic pump 2 import, and stainless steel magnetic pump 2 exit linkage peristaltic pump, peristaltic pump entrance point and stainless steel magnetic pump 2 are connected, and the peristaltic pump exit end links to each other with the import of the two-position three-way valve of polytetrafluoroethylene, and triethylamine gas generator 6 and triethylamine storage jar 1 are connected respectively to two exports of the two-position three-way valve of polytetrafluoroethylene, and high-speed counter is used for calculating the measurement pulse that the peristaltic pump sent.
Example 4
A high-precision triethylamine automatic quantifying device is applied to a cold core box core making machine and comprises a triethylamine storage tank 1, a stainless steel magnetic pump 2, a positive displacement metering device and a polytetrafluoroethylene two-position three-way valve 4. Triethylamine storage jar 1 passes through the tube coupling with stainless steel magnetic pump 2 import, and 2 exit linkage positive displacement metering device of stainless steel magnetic pump, positive displacement metering device entrance point and stainless steel magnetic pump 2 are connected, and positive displacement metering device exit end links to each other with the import of two three-way valves of polytetrafluoroethylene, and triethylamine gas generator 6 and triethylamine storage jar 1 are connected respectively to two exports of two three-way valves of polytetrafluoroethylene.
Example 5
A high-precision triethylamine automatic quantifying device is applied to a cold core box core making machine and comprises a triethylamine storage tank 1, a stainless steel magnetic pump 2, a precision gear flow meter 3, a polytetrafluoroethylene two-position three-way valve 4 and a high-speed counter 5. Triethylamine storage jar 1 passes through the tube coupling with 2 imports of stainless steel magnetic pump, 2 exit linkage precision gear flowmeter 3 of stainless steel magnetic pump, 3 entrance points of precision gear flowmeter are connected with stainless steel magnetic pump 2, 3 exit ends of precision gear flowmeter link to each other with the import of two three-way valves of polytetrafluoroethylene, triethylamine gas generator 6 and triethylamine storage jar 1 are connected respectively to two exports of two three-way valves of polytetrafluoroethylene, high-speed counter is used for calculating the measurement pulse that precision gear flowmeter sent.
And a stainless steel ball valve 7, a stainless steel filter 9 and a stainless steel one-way valve 9 are sequentially arranged on a connecting pipeline of the triethylamine storage tank 1 and the stainless steel magnetic pump 2.
The stainless steel magnetic pump 2 is driven by an alternating-current explosion-proof motor 10 and provides output of triethylamine medium for the high-precision triethylamine automatic quantifying device.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high-precision triethylamine automatic quantifying device is characterized by comprising a triethylamine storage tank, a stainless steel magnetic pump, a precision gear flowmeter, a polytetrafluoroethylene two-position three-way valve and a high-speed counter; triethylamine storage jar passes through the tube coupling with the import of stainless steel magnetic drive pump, and the accurate gear flowmeter is connected to the stainless steel magnetic drive pump export, and accurate gear flowmeter entrance point and stainless steel magnetic drive pump are connected, and accurate gear flowmeter exit end links to each other with the import of two three-way valves of polytetrafluoroethylene, and three ethylamine gas generator and triethylamine storage jar are connected respectively to two exports of two three-way valves of polytetrafluoroethylene, and high-speed counter is used for calculating the measurement pulse that accurate gear flowmeter sent.
2. The automatic dosing device of high accuracy triethylamine of claim 1 wherein the triethylamine storage tank is equipped with a level detection sensor.
3. The automatic high-precision triethylamine quantifying device as claimed in claim 1, wherein a stainless steel ball valve and a stainless steel one-way valve are sequentially installed on a connecting pipeline between the triethylamine storage tank and the stainless steel magnetic pump.
4. The automatic high-precision triethylamine quantifying device as claimed in claim 3, wherein a stainless steel filter is arranged between the stainless steel ball valve and the stainless steel one-way valve.
5. The automatic dosing device for high-precision triethylamine according to claim 1, wherein the stainless steel magnetic pump is driven by an alternating current explosion-proof motor to provide output of triethylamine medium for the automatic dosing device for high-precision triethylamine.
6. The automatic high-precision triethylamine quantifying device as claimed in claim 1, wherein the precision gear flowmeter counts the number of pulses generated by the rotation of the internal gear of the precision gear flowmeter through the high-speed counter, so as to realize the measurement of the triethylamine conveying capacity.
7. The automatic high-precision triethylamine quantifying device as claimed in claim 1, wherein the polytetrafluoroethylene two-position three-way valve controls the flow direction of triethylamine through an electromagnetic valve.
8. The automatic dosing device of high accuracy triethylamine of claim 1 wherein said precision gear flow meter is replaced with a gear pulse pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220262562.3U CN217393679U (en) | 2022-02-09 | 2022-02-09 | High-precision triethylamine automatic quantifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220262562.3U CN217393679U (en) | 2022-02-09 | 2022-02-09 | High-precision triethylamine automatic quantifying device |
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| CN217393679U true CN217393679U (en) | 2022-09-09 |
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|---|---|---|---|
| CN202220262562.3U Active CN217393679U (en) | 2022-02-09 | 2022-02-09 | High-precision triethylamine automatic quantifying device |
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| CN (1) | CN217393679U (en) |
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- 2022-02-09 CN CN202220262562.3U patent/CN217393679U/en active Active
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