CN209952801U - Raw material conveying device for resin production - Google Patents

Abstract

The utility model relates to a raw materials conveyor for resin production, include: storage tank, reation kettle, electric pump and the control unit, the storage tank pass through the discharging pipe with the import intercommunication of electric pump, the export of electric pump pass through the conveying pipeline with reation kettle's feed inlet intercommunication, be equipped with first control valve and flow detection unit on the conveying pipeline, the conveying pipeline with through first bypass pipe intercommunication between the discharging pipe, be equipped with the second control valve on the first bypass pipe, the electric pump first control valve the second control valve with flow detection unit all with the control unit electric connection. It has high safety performance.

Description

Raw material conveying device for resin production

Technical Field

The utility model relates to a feeding equipment technical field especially relates to a raw materials conveyor for resin production.

Background

At present, in the resin production process, the raw materials are generally required to be conveyed from a storage tank to a reaction kettle, and the conveying is stopped when the conveying amount of the raw materials reaches a set value, but because the traditional raw material conveying device is unreasonable in design, the pipeline vibration is large at the moment of stopping the conveying of the raw materials, and the safety performance is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a raw material conveying apparatus for resin production, which has high safety performance.

In order to achieve the above object, the present invention provides a raw material conveying device for resin production, the raw material conveying device for resin production comprises: storage tank, reation kettle, electric pump and the control unit, the storage tank pass through the discharging pipe with the import intercommunication of electric pump, the export of electric pump pass through the conveying pipeline with reation kettle's feed inlet intercommunication, be equipped with first control valve and flow detection unit on the conveying pipeline, the conveying pipeline with through first bypass pipe intercommunication between the discharging pipe, be equipped with the second control valve on the first bypass pipe, the electric pump first control valve the second control valve with flow detection unit all with the control unit electric connection.

Compared with the prior art, the raw material conveying device for resin production has at least the following beneficial effects: at the beginning, first control valve is opened, and the second control valve is closed, and the control unit control electric pump starts, and the electric pump carries the reation kettle with the raw materials from the storage tank through discharging pipe and conveying pipeline in proper order, and at this in-process, flow detection unit continuously detects the conveying pipeline flow, and when reaching to carry the setting value, the control unit control electric pump stops, simultaneously, controls first control valve and closes, and the second control valve is opened, and partial raw materials flows in first bypass pipe. Because in the electric pump stop in the twinkling of an eye, there is inertia in raw materials itself, makes the conveying pipeline internal pressure increase, arouses the pipeline vibration, and at this moment, in partial raw materials flowed into first bypass pipe, effectively alleviated the inertia of raw materials, played the effect to the conveying pipeline pressure release, effectively improved above-mentioned raw materials conveyor for resin production's security performance.

In one embodiment, a check valve is arranged at the downstream of the first bypass pipe of the material conveying pipe, and the check valve is used for preventing the raw materials from flowing backwards.

In one embodiment, a third control valve is disposed on the feed delivery pipe downstream of the first bypass pipe, and the third control valve is electrically connected to the control unit.

In one embodiment, the third control valve may be a pneumatic valve or an electric valve.

In one embodiment, a pressure gauge is further arranged on the material conveying pipe and located between the electric pump and the check valve.

In one embodiment, the device further comprises a second bypass pipe, one end of the second bypass pipe is connected with the discharge pipe, the other end of the second bypass pipe is connected with the feed delivery pipe and is located at the upstream of the flow detection unit, and a safety valve is arranged on the second bypass pipe.

In one embodiment, a first flexible tube section is provided on the tapping tube.

In one embodiment, a second hose section is provided on the feed delivery pipe.

In one embodiment, the electric pump is a line frequency pump.

In one embodiment, the first control valve and the second control valve may be a pneumatic valve or an electric valve, respectively.

Drawings

Fig. 1 is a schematic structural diagram of a raw material conveying apparatus for resin production according to an embodiment of the present invention.

10. Storage tank, 20, reation kettle, 30, electric pump, 40, discharging pipe, 41, first hose section, 50, conveying pipeline, 51, first control valve, 52, flow detection unit, 53, check valve, 54, third control valve, 55, manometer, 56, second hose section, 60, first bypass pipe, 61, second control valve, 70, second bypass pipe, 71, relief valve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In the present invention, the terms "first", "second" and "third" do not denote any particular quantity or order, but are merely used to distinguish names.

As shown in fig. 1, a raw material conveying apparatus for resin production includes: storage tank 10, reation kettle 20, electric pump 30 and the control unit (not shown in the drawing), the exit gate of storage tank 10 passes through the access connection of discharging pipe 40 with electric pump 30, the export of electric pump 30 passes through the conveying pipeline 50 and is connected with reation kettle 20's feed inlet, be equipped with first control valve 51 and flow detection unit 52 on the conveying pipeline 50, conveying pipeline 50 passes through first by-pass pipe 60 and 40 intercommunication of discharging pipe, be equipped with second control valve 61 on the first by-pass pipe 60, electric pump 30, first control valve 51, second control valve 61 and flow detection unit 52 all with the control unit electric connection.

Above-mentioned a raw materials conveyor for resin production is at the beginning, first control valve 51 is opened, second control valve 61 is closed, the control unit control electric pump 30 starts, electric pump 30 carries the raw materials from storage tank 10 to reation kettle 20 through discharging pipe 40 and conveying pipeline 50 in proper order, and in this process, flow detection unit 52 continuously detects conveying pipeline 50 flow, when reaching and carrying the settlement quantitative value, the control unit control electric pump 30 stops, simultaneously, control first control valve 51 and close, second control valve 61 is opened, partial raw materials flow in first bypass pipe 60. At the moment when the electric pump 30 stops, the raw materials have inertia, so that the internal pressure of the material conveying pipe 50 is increased, and the pipeline vibration is caused, at the moment, part of the raw materials flow into the first bypass pipe 60, the inertia of the raw materials is effectively relieved, the pressure relief effect on the material conveying pipe 50 is realized, and the safety performance of the raw material conveying device for resin production is effectively improved.

Specifically, the flow rate detecting unit 52 may be selected as a flow meter.

In one embodiment, referring to FIG. 1, the feed delivery pipe 50 is provided with a check valve 53 at a position downstream of the first bypass pipe 60, and the check valve 53 is used for preventing the reverse flow of the raw material. When the inertia of the raw material disappears, the backflow phenomenon easily occurs, which causes deviation in the detection of the raw material conveying amount by the flow rate detection unit 52 and affects the outgoing quality of the resin. The occurrence of the above-mentioned backflow phenomenon of the raw material can be effectively prevented by providing the check valve 53.

In one embodiment, please refer to fig. 1, the feed delivery pipe 50 is provided with a third control valve 54 at a downstream position of the first bypass pipe 60, and the third control valve 54 is electrically connected to the control unit. When starting to feed the raw material, the control unit controls the first control valve 51 and the third control valve 54 to open, and at the same time, controls the second control valve 61 to close; when the conveyance of the raw material is finished, the control unit controls the first control valve 51 and the third control valve 54 to be closed, and at the same time, controls the second control valve 61 to be opened. Because the check valve 53 is difficult to realize zero leakage, the flow detection unit 52 still has certain deviation to the detection of raw material conveying capacity, and through setting up the third control valve 54 and cooperating with the check valve 53, can realize zero leakage of raw material, stop the raw material refluence phenomenon completely, guarantee the precision of flow detection unit 52 to the detection of raw material conveying capacity.

In one embodiment, the third control valve 54 may be selected to be a pneumatic or electric valve.

In one embodiment, referring to fig. 1, a pressure gauge 55 is further disposed on the feeding pipe 50, and the pressure gauge 55 is located between the electric pump 30 and the check valve 53. The worker can intuitively know the pressure in the feed delivery pipe 50 in a timely manner through the pressure gauge 55.

In an embodiment, referring to fig. 1, the raw material feeding apparatus for resin production further includes a second bypass pipe 70, one end of the second bypass pipe 70 is connected to the discharging pipe 40, the other end of the second bypass pipe 70 is connected to the feeding pipe 50 and is located at the upstream of the flow detecting unit 52, and a safety valve 71 is disposed on the second bypass pipe 70. When the pressure in the discharging pipe 40 or the transporting pipe 50 is too high, the safety valve 71 starts to release the pressure to prevent safety accidents, thereby further improving the safety performance of the raw material transporting device for resin production, and meanwhile, the second bypass pipe 70 is connected between the inlet and the outlet of the electric pump 30, thereby preventing the electric pump 30 from being damaged due to the too high pressure and playing a role of protecting the electric pump 30.

In one embodiment, referring to fig. 1, the discharge pipe 40 is provided with a first flexible pipe section 41. The first flexible pipe section 41 serves to buffer the internal pressure of the discharge pipe 40, thereby preventing a safety accident from occurring due to an excessive internal pressure of the discharge pipe 40 and further improving the safety of the raw material feeding apparatus for resin production.

In one embodiment, referring to FIG. 1, a second hose section 56 is provided on the feed delivery pipe 50. The second hose section 56 serves to buffer the internal pressure of the feed pipe 50, thereby preventing safety accidents due to excessive internal pressure of the feed pipe 50 and further improving the safety of the apparatus for transporting raw materials for resin production.

In one embodiment, electric pump 30 may be selected as a line frequency pump.

In one embodiment, the first control valve 51 and the second control valve 61 may be selected to be an air operated valve or an electric operated valve, respectively.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A raw material conveying apparatus for resin production, characterized in that the raw material conveying apparatus for resin production comprises: storage tank, reation kettle, electric pump and the control unit, the storage tank pass through the discharging pipe with the import intercommunication of electric pump, the export of electric pump pass through the conveying pipeline with reation kettle's feed inlet intercommunication, be equipped with first control valve and flow detection unit on the conveying pipeline, the conveying pipeline with through first bypass pipe intercommunication between the discharging pipe, be equipped with the second control valve on the first bypass pipe, the electric pump first control valve the second control valve with flow detection unit all with the control unit electric connection.

2. A material transporting apparatus for resin production as set forth in claim 1, wherein said material transporting pipe is provided with a check valve downstream of said first bypass pipe, said check valve being for preventing reverse flow of the material.

3. The apparatus as claimed in claim 2, wherein a third control valve is disposed on the feed pipe downstream of the first bypass pipe, and the third control valve is electrically connected to the control unit.

4. The raw material conveying device for resin production as set forth in claim 3, wherein said third control valve may be a pneumatic valve or an electric valve.

5. The apparatus as claimed in claim 2, wherein a pressure gauge is provided on the feed delivery pipe, and the pressure gauge is located between the electric pump and the check valve.

6. The raw material feed apparatus for resin production according to claim 1, further comprising a second bypass pipe, one end of which is connected to the discharge pipe, and the other end of which is connected to the feed delivery pipe and located upstream of the flow rate detection unit, the second bypass pipe being provided with a safety valve.

7. A feedstock delivery apparatus for resin production according to any one of claims 1 to 6, wherein a first flexible pipe section is provided on the tapping pipe.

8. A feedstock delivery apparatus for resin production according to any one of claims 1 to 6, wherein a second hose section is provided on said delivery conduit.

9. A feedstock delivery apparatus for resin production according to any one of claims 1 to 6, wherein the electric pump is a line frequency pump.

10. A raw material conveying apparatus for resin production according to any one of claims 1 to 6, wherein the first control valve and the second control valve are pneumatic valves or electric valves, respectively.