CN210544457U - Accurate batching system - Google Patents
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- CN210544457U CN210544457U CN201921221953.5U CN201921221953U CN210544457U CN 210544457 U CN210544457 U CN 210544457U CN 201921221953 U CN201921221953 U CN 201921221953U CN 210544457 U CN210544457 U CN 210544457U
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- 238000002347 injection Methods 0.000 claims abstract description 97
- 239000007924 injection Substances 0.000 claims abstract description 97
- 238000002156 mixing Methods 0.000 claims abstract description 42
- 230000010349 pulsation Effects 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 22
- 230000008569 process Effects 0.000 description 13
- 239000002360 explosive Substances 0.000 description 11
- 238000004401 flow injection analysis Methods 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229920002121 Hydroxyl-terminated polybutadiene Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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Abstract
The utility model relates to a cremation chemical industry field provides an accurate feed proportioning system, include: the device comprises a driving device, a first injection device, a second injection device, a mixing device and a control device; the first injection device and the second injection device are respectively connected to the same end of the mixing device; the driving device is arranged above the first injection device and is connected with the first injection device; the control means is for controlling the injection rates of the first and second injection means. The utility model discloses can solve the inconsistent problem of projectile grain pouring quality among the correlation technique to realize serialization, the automated production of grain pouring.
Description
Technical Field
The utility model relates to a material pyro-chemical industry technical field, concretely relates to accurate feed proportioning system.
Background
With the development of science and technology, the explosive column pouring technology is widely applied and developed in the field of the cremation industry, and the PBX explosive is taken as a novel safe and reliable explosive and is widely applied in the fields of carrier-based ammunition and the like. Several research efforts on PBX explosives are in the phase of automatic production conversion to practical use.
The existing PBX slurry charging process has the defects that all components of a PBX are premixed in a kneader, and the components are added once for mixing before pouring, so that the consistency of the quality of poured grains is difficult to ensure, and the PBX slurry charging process is difficult to adapt to continuous and batch pouring production.
Therefore, there is a need to provide an accurate dosing system.
It should be noted that the information of the present invention in the above background section is only for enhancing the understanding of the background of the present invention, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
An object of the utility model is to provide an accurate feed proportioning system, and then overcome the poor problem of PBX explosive pouring quality that exists in the correlation technique to a certain extent at least.
Other features and advantages of the invention will be apparent from the following detailed description, or may be learned by practice of the invention in part.
According to an aspect of the utility model, a provide an accurate feed proportioning system, a serial communication port, include: the device comprises a driving device, a first injection device, a second injection device, a mixing device and a control device;
the first injection device and the second injection device are respectively connected to the same end of the mixing device;
the driving device is arranged above the first injection device and is connected with the first injection device;
the control means is for controlling the injection rates of the first and second injection means.
In an exemplary embodiment of the present invention, the precise batching system further comprises: a three-way pipe and a first sensor;
the first injection device and the second injection device are respectively connected with one end of the mixing device through the three-way pipe;
the first sensor is arranged at one end of the mixing device, which is connected with the three-way pipe.
In an exemplary embodiment of the present invention, the precise batching system further comprises:
and the second sensor is arranged at the other end of the mixing device.
In an exemplary embodiment of the present invention, the second injection device comprises: a syringe pump and container;
the container is connected with the injection pump, and the injection pump is connected with the mixing device.
In an exemplary embodiment of the present invention, the precise batching system further comprises:
a third sensor disposed between the first injection device and the mixing device.
In an exemplary embodiment of the present invention, the control device includes:
an injection rate control module for controlling the injection rates of the first and second injection devices; and
and the pressure early warning device is used for carrying out early warning prompt when detecting that the pressure value of the batching system exceeds a preset value.
In an exemplary embodiment of the present invention, the first sensor, the second sensor and the third sensor are all temperature and pressure integrated sensors or temperature and pressure sensors.
In an exemplary embodiment of the invention, the other end of the mixing device is connected to the pouring device.
In an exemplary embodiment of the present invention, the syringe pump includes: servo motor drive, double-plunger reciprocating injection device and pulsation damper.
In an exemplary embodiment of the present invention, the precise batching system further comprises:
a fourth sensor disposed in the syringe pump.
Compared with the prior art, the utility model discloses following difference and beneficial effect have at least:
the utility model provides an accurate batching system, on one hand, the accurate batching system adopts a continuous and batch pouring production mode, and can ensure the continuity of pouring and the consistency of quality before and after slurry; on the other hand, PBX slurry and small components in the accurate batching system are respectively and continuously added from a slurry inlet of the static mixer in proportion, and the static mixer is used for continuous mixing and continuous pouring, so that the uniformity of the charging quality can be ensured, and the continuous and automatic batch production of the column pouring is realized.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 illustrates a block diagram of a precision batching system in an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a control device of a precise dosing system according to an embodiment of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present invention.
Furthermore, the drawings are merely exemplary of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus, a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices. The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the steps. For example, some steps may be decomposed, and some steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation. In addition, the terms "first" and "second" are used for distinguishing purposes only and should not be construed as limiting the present invention.
With the development of science and technology, the PBX explosive is widely applied to the fields of carrier-based ammunition and the like as a novel safe and reliable explosive. The current research efforts on PBX explosives are at the stage of automatic production conversion to practical applications.
In the PBX slurry charging process in the related technology, all components of the PBX are premixed in a kneader, and the components are added once and mixed before pouring. In the method, the physical characteristics of the slurry are changed in the process of mixing the small components and the slurry, so that the consistency of the quality of the poured grain is difficult to ensure, and the method cannot adapt to continuous and batch pouring production.
Based on the above drawbacks, some solutions in the related art have been far from meeting the demand for high quality PBX drug slurry charging process in practical applications. Therefore, the utility model provides an accurate feed proportioning system to solve the above-mentioned problem that exists among the correlation technique.
Referring to fig. 1, the precise dosing system comprises:
a drive means 101, a first injection means 102, a second injection means 103, a mixing means 104 and a control means;
the first injection device 102 and the second injection device 103 are respectively connected to the same end of the mixing device 104;
the driving device 101 is disposed above the first injection device 102 and connected to the first injection device 102;
the control means is used to control the injection rate of the first injection means 102 and the second injection means 103.
The utility model provides an accurate batching system, which adopts a continuous and batched pouring production mode through the flow velocity of materials in each device, can ensure the continuity of pouring and the consistency of quality before and after slurry, and accurately control the quantity of small group distribution materials in the charging process; on the other hand, the PBX slurry and the small components are continuously added from the inlet of the mixing device in proportion, and are continuously mixed and poured through the mixing device, so that the consistency of the charging quality and the continuous and automatic batch production of PBX explosives are realized.
An embodiment of the utility model provides an accurate feed proportioning system, refer to the schematic structure diagram of the distribution system that figure 1 shows, this distribution system includes: a drive means 101, a first injection means 102, a second injection means 103, a mixing means 104 and a control means;
the first injection device 102 and the second injection device 103 are respectively connected to the same end of the mixing device 104;
the driving device 101 is disposed above the first injection device 102 and connected to the first injection device 102;
the control means is used to control the injection rate of the first injection means 102 and the second injection means 103.
The first injection device 102 is filled with PBX slurry, and the PBX slurry is controlled to be injected into the mixing device 104 at a preset speed through the extrusion motion of the piston of the driving device 101; the PBX slurry may include: explosive particles, aluminum powder, hydroxyl-terminated polybutadiene adhesive and the like.
The second injection device 103 contains a small ingredient comprising: plasticizers, curing agents, catalysts, etc., for adjusting the formulation properties. The minor ingredient ingredients are injected into the mixing apparatus 104 at a rate matched to the PBX slurry and mixed well at a predetermined pressure for continuous casting. The PBX slurry has the characteristics of high solid phase (the solid phase is up to more than 90 percent), high viscosity (the viscosity is up to 200-1000 Pa.S) and high transmission pressure (2.5MPa-16MPa), and the small group distribution material is in a liquid state. Optionally, the accuracy of addition of the minor component ingredient is no greater than 5%.
The first injection device 102, the second injection device 103 and the mixing device 104 are connected through a tee 105, and the material injection directions of the second injection device 103 and the mixing device 104 can be set to be the same or set to be at a predetermined included angle.
In one embodiment, the precision batching system further comprises: a tee 105 and a first sensor;
the first injection device 102 and the second injection device 103 are respectively connected with one end of the mixing device 104 through the tee 105;
the first sensor is disposed at one end of the mixing device 104 that is connected to the tee 105.
In one embodiment, the precision batching system further comprises: a second sensor disposed at the other end of the mixing device 104.
In one embodiment, the second injection device 103 may comprise: a syringe pump and container;
the container is connected with the injection pump, and the injection pump is connected with the mixing device. Optionally, the second injection device 103 may comprise: a high-pressure constant-flow injection pump, a small component container and a small component adding pipeline. The high-pressure constant-current injection pump is a core device, a driving device of the high-pressure constant-current injection pump is a servo motor and is provided with double plungers for reciprocating injection, and a pulsation damper is arranged at the outlet end of the high-pressure constant-current injection pump and is used for generating pulse fluctuation of reciprocating motion of the reciprocating plungers. The injection flow rate of the second injection device 103 can be preset to realize constant-flow injection at the end of the charging process. In one embodiment, the pressure of the second injection device 103 is 0-42 MPa, the flow rate is 0.001-10 ml/min (42 MPa or less), 0.1-50 ml/min (42 MPa or less), and the precision is +/-0.5%.
In one embodiment, the syringe pump comprises: servo motor drive unit, two plunger reciprocating injection device, pulsation damper.
In one embodiment, the precision batching system further comprises:
a third sensor, arranged between the first injection device 102 and the mixing device 104, for detecting a pressure value of the first injection device; wherein the third sensor may be a pressure sensor or a temperature, pressure sensor.
In one embodiment, the control device comprises:
an injection rate control module for controlling the injection rates of the first and second injection devices; and
and the pressure early warning device is used for carrying out early warning prompt when detecting that the pressure value of the batching system exceeds a preset value.
In one embodiment, the first sensor, the second sensor and the third sensor are all temperature and pressure integrated sensors or temperature and pressure sensors. The PBX slurry pipeline is provided with a pressure sensor, the high-pressure constant-flow injection pump is provided with a pressure sensor, any one of the pressure sensors gives an alarm for overpressure, overtemperature or fault, the system gives an alarm for emergency stop, and the system automatically diagnoses the fault.
In one embodiment, the other end of the mixing device 104 is connected to a casting device 106.
In one embodiment, the precision batching system further comprises: the fourth sensor is arranged in the injection pump and used for detecting the pressure value of the injection pump; if the pressure is too high, triggering a pressure early warning device; the fourth sensor may be a pressure sensor or a temperature and pressure integrated sensor.
In one embodiment, a schematic diagram of a control device for a precision dispensing system is shown in FIG. 2. The control device may include: a computer system, a programmable controller PLC, a driver, etc., whose working process is shown in reference to fig. 2, wherein the control device 201 is connected with a driving device 101 (which may include a servo motor or a step motor), wherein the driving device 101 may include a first driving device 206 and a second driving device 207; further, the control device 201 controls the first driving device 206 to drive the first injection device 102 to push the PBX slurry to the mixing device 104 at a preset rate; the control device 201 simultaneously controls the second driving device 207 to drive the high-pressure constant-flow injection pump in the second injection device 103 to inject the minor ingredients into the mixing device 104 at a preset rate, and controls the closed-loop speed matching of the PBX slurry servo motor and the high-pressure constant-flow injection pump servo motor or the stepping motor, so that continuous and accurate blending of the PBX slurry and the minor ingredients is realized. The PBX slurry flow rate is controlled by controlling the rotating speed of a servo motor or a stepping motor through a PLC program so as to control the piston powder pressing speed; the flow control of the high-pressure constant-flow injection pump is to control the rotating speed of a servo motor or a stepping motor through a PLC program so as to control the feeding speed of the small components.
Furthermore, in order to improve safety during injection, it is also necessary to detect the pressure value of the injection pump in the second injection device by the fourth sensor 202 and the pressure value of the first injection device 102 by the third sensor 205; if the pressure is too high, triggering a pressure early warning device; then, the pressure and temperature between the mixing device 104 and the first and second injection units are detected by the first sensor 203; detecting the pressure and temperature between the mixing device 104 and the pouring device 106 by the second sensor 204; and any one of the two parts has overpressure, overtemperature or fault alarm, the system alarms and suddenly stops, and the system automatically diagnoses faults.
Optionally, the control device can simultaneously control the PBX slurry speed and the high-pressure constant-current injection pump speed through the Programmable Logic Controller (PLC), so as to form closed-loop control, and finish the matching precision of the two materials according to the process requirement. Optionally, the distribution system has three operation modes of manual operation, semi-automatic operation and full-automatic operation. Can be switched according to different working conditions. The main equipment motor, the sensor and related electrical elements are all explosion-proof products, and the relevant specifications of the explosive industry are met.
It is to be understood that the above-described figures are merely illustrative of the processes involved in a method according to an exemplary embodiment of the present invention and are not intended to be limiting. It will be readily understood that the processes shown in the above figures are not intended to indicate or limit the chronological order of the processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, e.g., in multiple modules.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit according to embodiments of the invention. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. A precision batching system, comprising: the device comprises a driving device, a first injection device, a second injection device, a mixing device and a control device;
the first injection device and the second injection device are respectively connected to the same end of the mixing device;
the driving device is arranged above the first injection device and is connected with the first injection device;
the control means is for controlling the injection rates of the first and second injection means.
2. The precision compounding system of claim 1, further comprising: a three-way pipe and a first sensor;
the first injection device and the second injection device are respectively connected with one end of the mixing device through the three-way pipe;
the first sensor is arranged at one end of the mixing device, which is connected with the three-way pipe.
3. The precision compounding system of claim 2, further comprising:
and the second sensor is arranged at the other end of the mixing device.
4. The precision dosing system of claim 1, wherein the second injection device comprises: a syringe pump and container;
the container is connected with the injection pump, and the injection pump is connected with the mixing device.
5. The precision compounding system of claim 3, further comprising:
a third sensor disposed between the first injection device and the mixing device.
6. The precision dosing system of claim 1, wherein the control device comprises:
an injection rate control module for controlling the injection rates of the first and second injection devices; and
and the pressure early warning device is used for carrying out early warning prompt when detecting that the pressure value of the batching system exceeds a preset value.
7. The precision dosing system of claim 5, wherein the first sensor, the second sensor, and the third sensor are all temperature and pressure integrated sensors or temperature and pressure sensors.
8. The precision dosing system of claim 3, wherein the other end of the mixing device is connected to a pouring device.
9. The precision compounding system of claim 4, wherein the syringe pump comprises: servo motor drive, double-plunger reciprocating injection device and pulsation damper.
10. The precision compounding system of claim 4, further comprising: a second pressure sensor disposed in the syringe pump.
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|---|---|---|---|
| CN201921221953.5U CN210544457U (en) | 2019-07-31 | 2019-07-31 | Accurate batching system |
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| CN201921221953.5U CN210544457U (en) | 2019-07-31 | 2019-07-31 | Accurate batching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314569A (en) * | 2019-07-31 | 2019-10-11 | 西安拓普电气有限责任公司 | Accurate batching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314569A (en) * | 2019-07-31 | 2019-10-11 | 西安拓普电气有限责任公司 | Accurate batching system |
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