CN216172210U

CN216172210U - Automatic and DCS control device of waterproof agent production line

Info

Publication number: CN216172210U
Application number: CN202122600111.4U
Authority: CN
Inventors: 陈兆峰
Original assignee: Mypolymer Jiaxing Co ltd
Current assignee: Mypolymer Jiaxing Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-05
Anticipated expiration: 2031-10-27

Abstract

The utility model provides an automatic and DCS control device for a waterproof agent production line, which solves the problems of poor production safety and the like of a waterproof agent and comprises a reaction kettle and a feeding pipeline connected with the reaction kettle, wherein a sensing assembly is arranged inside the feeding pipeline, the feeding pipeline is provided with a valve assembly and a pump body assembly, the valve assembly and the pump body assembly are connected with a DCS control system through a wired/wireless transmission assembly, a temperature adjusting pipe which is arranged in a winding mode is arranged inside the reaction kettle, the temperature adjusting pipe is communicated with an external liquid pump, the reaction kettle is connected with a discharging pipeline, the discharging pipeline is externally connected with a material injection assembly and a buffer tank, and a pressure sensor and a pressure relief assembly are arranged inside the reaction kettle. The utility model has the advantages of good safety, stable structure and the like.

Description

Automatic and DCS control device of waterproof agent production line

Technical Field

The utility model belongs to the technical field of automatic control, and particularly relates to an automation and DCS control device for a waterproof agent production line.

Background

Market demands in the fine chemical industry are rapidly changed, and products are updated rapidly, so that small-batch and multi-variety production is generally adopted in the fine chemical production process, the production is mostly intermittent or semi-continuous, the process flow of the production process is complex, the operation steps are complex, the labor intensity is high, and the production process has certain dangerousness. The characteristics make the fine chemical production process difficult to control, the comprehensive automation level is low all the time, and the fine chemical production process is basically in a state of field manual operation. However, manual operation has many adverse factors, the influence on the stability of product quality is very large, the difference of products produced by different operators is very large, and the amount of physical labor is very large; the field environment is severe, great harm is caused to operators, and the production safety is poor. With the market competition being more fierce, the requirements of customers on the product quality are more strict, the country attaches importance to safety and environmental protection, and the improvement of the automation level of the fine chemical industry is urgently needed.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a waterproofing agent production system [201610800044.1], which includes a control device, a reaction kettle, a paraffin enhancer tank, a paraffin dissolving tank, and a finished emulsion storage tank; the control device is connected with the reaction kettle and controls a preparation mode and a discharge mode in the reaction kettle; the reaction kettle is communicated with a production water pipeline, a paraffin reinforcing agent tank, a paraffin dissolving tank and a finished product emulsion storage tank; the production water, the paraffin reinforcing agent and the paraffin solution are reacted in a reaction kettle under set reaction conditions to prepare the waterproof agent; and the prepared waterproof agent flows into the finished product emulsion storage tank through the reaction kettle.

The scheme solves the problem of automatic control of the production of the waterproof agent to a certain extent, but the scheme still has a plurality of defects, such as inconvenient pipeline pressure control, poor safety and the like.

Disclosure of Invention

The utility model aims to solve the problems and provides an automatic and DCS control device for a waterproof agent production line, which is reasonable in design and good in safety.

In order to achieve the purpose, the utility model adopts the following technical scheme: this waterproofing agent production line automation and DCS controlling means, charge-in pipeline including reation kettle and be connected with reation kettle, the inside response subassembly that is provided with of charge-in pipeline, charge-in pipeline is equipped with valve component and pump body subassembly, valve component and pump body subassembly are connected with DCS control system through wired/wireless transmission subassembly, the inside temperature regulation pipe that coils and arrange of reation kettle, temperature regulation pipe and outside liquid pump intercommunication, reation kettle is connected with ejection of compact pipeline, ejection of compact pipeline is external to have notes material subassembly and buffer tank, inside pressure sensor and the pressure release subassembly of setting up of reation kettle. The feed pipeline and the discharge pipeline of the reaction kettle are respectively provided with a buffer system, so that the internal pressure is monitored in time and the pressure is discharged, and the production safety is ensured.

In foretell waterproofing agent production line automation and DCS controlling means, charge-in pipeline includes a plurality of branch bodys parallelly connected with reation kettle through the main body, divides the body and is provided with the striker plate with the relative one end of reation kettle, and the relative reation kettle centrosymmetry of striker plate of adjacent branch body exit sets up. The shunt is realized by the branch pipe body, so that the feeding of the reaction kettle is uniform.

In the automatic and DCS control device for the production line of the waterproof agent, the valve assembly comprises a three-way valve arranged on the branch pipe body, the branch pipe body is communicated with another branch pipe body through the three-way valve and a parallel pipeline, an inlet of the parallel pipeline is connected with the three-way valve, and an outlet of the parallel pipeline is communicated with the branch pipe body arranged between the three-way valve and the reaction kettle. The tee valve controls the mutual on-off of the branch pipe bodies according to actual needs, and the feeding flow is flexibly adjusted.

In foretell waterproofing agent production line automation and DCS controlling means, pump body subassembly includes the main pump body with house steward body coupling, and the inside pump chamber that supplies liquid flow that is provided with of the main pump body, pump chamber business turn over mouth department are provided with the check valve, and the pump chamber inboard is provided with negative pressure chamber and negative pressure intracavity sliding connection has the compression piece, is provided with driving motor outside the main pump body, and the driving motor output passes through the crank connecting rod and is connected with the compression piece. The pump body assembly is used for pressurizing the main pipe body, so that the material feeding is stable.

In the automatic and DCS control device for the production line of the waterproof agent, the sensing assembly comprises temperature, flow and hydraulic sensors arranged on the feeding pipeline. The sensing assembly senses pressure in the feed conduit to effect feedback regulation.

In foretell waterproofing agent production line automation and DCS controlling means, reation kettle includes shell body and inner bag, accompanies the heat preservation between shell body and the inner bag, and the inboard distribution of inner bag has antiseized layer. The double-layer structure inside and outside the reaction kettle gives consideration to heat preservation and structural stability.

In the automatic and DCS control device for the waterproof agent production line, the temperature adjusting pipe comprises an inner pipe body and an outer pipe body which are sequentially connected in a sliding mode, heat conducting fins are arranged on the inner side and the outer side of the inner pipe body and the outer side of the outer pipe body respectively, the inner pipe body is connected with the fixed frame, the outer pipe body is connected with the movable frame, a linkage mechanism for driving the movable frame and the outer pipe body to slide is arranged between the fixed frame and the movable frame, and the heat conducting fins on the outer side of the inner pipe body and the outer side of the outer pipe body are attached or separated relatively along with the movement of the movable frame. The temperature adjusting pipe has higher heat transfer efficiency and can quickly adjust the temperature of the internal materials.

In the automatic and DCS control device for the waterproof agent production line, the linkage mechanism comprises a limiting groove and a limiting block which are arranged between the fixed frame and the movable frame and are in sliding connection, the fixed frame is fixedly connected with the reaction kettle, the movable frame is provided with a linkage rod extending to the upper end of the reaction kettle, and the linkage rod is connected with an output end of a telescopic cylinder fixed at the upper end of the reaction kettle.

In the automatic and DCS control device for the waterproof agent production line, the material injection assembly comprises a material injection pipe, and the material injection pipe is sealed by a feedback control valve. Annotate the material subassembly and be used for outside notes material, supply the inside material of pipeline.

In foretell waterproofing agent production line automation and DCS controlling means, the pressure release subassembly is including setting up the overflow valve on reation kettle and setting up the leakage fluid dram that just communicates rather than inside at reation kettle side, and the leakage fluid dram is sealed by the blind flange. The pressure relief assembly realizes quick material diversion, so that discharge and pressure relief in an emergency state are realized.

Compared with the prior art, the utility model has the advantages that: the pressure inside the pipeline is timely matched with the valve component and the pressure relief component, so that the rapid pressure reduction is realized, and the production safety is ensured; the temperature adjusting pipe can adjust the heat exchange rate and flexibly control the internal temperature of the reaction kettle; the pressure relief assembly realizes timely discharge and exhaust, and ensures stable internal pressure of the reaction kettle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of a reaction vessel according to the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a block diagram of the architecture of the present invention;

FIG. 5 is a structural cross-sectional view of the pump block assembly of the present invention;

in the figure, a reaction kettle 1, an outer shell 11, an inner container 12, a heat insulation layer 13, an anti-sticking layer 14, a feeding pipeline 2, a main pipe body 21, a branch pipe body 22, a material baffle plate 23, a sensing assembly 3, a valve assembly 4, a three-way valve 41, a parallel pipeline 42, a pump body assembly 5, a main pump body 51, a pump cavity 52, a one-way valve 53, a negative pressure cavity 54, a compression block 55, a driving motor 56, a crank connecting rod 57, a wired/wireless transmission assembly 6, a DCS control system 61, a temperature adjusting pipe 7, an inner pipe body 71, an outer pipe body 72, a heat conducting sheet 73, a fixed frame 74, a movable frame 75, a limit groove 76, a limit block 77, a linkage rod 78, a telescopic cylinder 79, a discharge pipeline 8, a material injection assembly 81, a buffer tank 82, a material injection pipe 83, a feedback control valve 84, a pressure relief assembly 9, an overflow valve 91, a liquid discharge port 92 and a flange cover 93.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-5, this waterproofing agent production line automation and DCS control device, including reation kettle 1 and the charge-in pipeline 2 of being connected with reation kettle 1, charge-in pipeline 2 is inside to be provided with response subassembly 3, charge-in pipeline 2 is equipped with valve module 4 and pump body subassembly 5, valve module 4 and pump body subassembly 5 are connected with DCS control system 61 through wired/wireless transmission subassembly 6, reation kettle 1 is inside to be provided with the temperature regulation pipe 7 of coiling arrangement, temperature regulation pipe 7 and outside liquid pump intercommunication, reation kettle 1 is connected with ejection of compact pipeline 8, ejection of compact pipeline 8 is external to have notes material subassembly 81 and buffer tank 82, reation kettle 1 is inside to set up pressure sensor and pressure release subassembly 9. Be provided with the sensor in reation kettle 1's charge-in pipeline 2 and the ejection of compact pipeline 8 respectively, adjust 2 internal pressure of charge-in pipeline by valve member 4 and pump body subassembly 5, pressure release subassembly 9 keeps 8 internal pressure of ejection of compact pipeline stable to ensure the security in the waterproofing agent production storage process.

Specifically, charge-in pipeline 2 includes a plurality of branch body 22 that are parallelly connected through total body 21 and reation kettle 1, divides the body 22 and is provided with striker plate 23 with the relative one end of reation kettle 1, and striker plate 23 of adjacent branch body 22 exit sets up with reation kettle 1 central symmetry. The branch pipes 22 are connected in parallel to divide the slurry in the main pipe 21, and the feeding amount is adjusted under the control of the valve component 4.

Further, the valve assembly 4 includes a three-way valve 41 provided on the branch pipe body 22, the branch pipe body 22 communicates with another branch pipe body 22 through the three-way valve 41 and a parallel pipe 42, an inlet of the parallel pipe 42 is connected with the three-way valve 41 and an outlet thereof communicates with the branch pipe body 22 provided between the three-way valve 41 and the reaction vessel 1. The three-way valve 41 is switched on and off to realize the mutual switching-on and switching-off of the branch pipe bodies 22, and the number of outlets of the branch pipe bodies 22 is flexibly adjusted, so that the diversion effect is achieved, and the local blockage caused by uneven flow is avoided.

Further, the pump body assembly 5 comprises a main pump body 51 connected with the main pipe body 21, a pump cavity 52 for liquid to flow is arranged inside the main pump body 51, one-way valves 53 are arranged at the inlet and the outlet of the pump cavity 52, a negative pressure cavity 54 is arranged inside the pump cavity 52, a compression block 55 is connected in the negative pressure cavity 54 in a sliding mode, a driving motor 56 is arranged outside the main pump body 51, and the output end of the driving motor 56 is connected with the compression block 55 through a crank connecting rod 57. The pump body assembly 5 provides feeding driving force for the main pipe body 21, slurry flows in the main pipe body 21 in a one-way mode, and meanwhile the main pump body 51 pressurizes the slurry, so that stable feeding is guaranteed.

Further, the sensing assembly 3 comprises temperature, flow and hydraulic sensors arranged on the feed conduit 2. The sensing assembly 3 senses the temperature inside the feeding pipe 2 as well as the pressure and the flow rate, thereby feedback-adjusting the power of the pump body assembly 5 and ensuring uniform feeding thereof.

Besides, the reaction kettle 1 comprises an outer shell 11 and an inner container 12, a heat insulation layer 13 is clamped between the outer shell 11 and the inner container 12, and an anti-sticking layer 14 is distributed on the inner side of the inner container 12. The outer shell 11 and the inner container 12 of the reaction kettle 1 are relatively isolated, the middle heat-insulating layer 13 plays a role in heat insulation and vibration reduction, and the anti-sticking layer 14 reduces the adhesion of the waterproof agent.

Meanwhile, the temperature adjusting pipe 7 comprises an inner pipe body 71 and an outer pipe body 72 which are sequentially connected in a sliding manner, heat conducting fins 73 are respectively arranged on the inner side and the outer side of the inner pipe body 71 and the outer pipe body 72, the inner pipe body 71 is connected with a fixed frame 74, the outer pipe body 72 is connected with a movable frame 75, a linkage mechanism for driving the movable frame 75 and the outer pipe body 72 to slide is arranged between the fixed frame 74 and the movable frame 75, and the heat conducting fins 73 on the outer sides of the inner pipe body 71 and the outer pipe body 72 are relatively attached or separated along with the movement of the movable frame 75. The temperature adjusting pipe 7 realizes heat transfer by leading in water.

Visibly, the linkage mechanism comprises a limiting groove 76 and a limiting block 77 which are arranged between the fixed frame 74 and the movable frame 75 and are connected in a sliding manner, the fixed frame 74 is fixedly connected with the reaction kettle 1, the movable frame 75 is provided with a linkage rod 78 extending to the upper end of the reaction kettle 1, and the linkage rod 78 is connected with an output end of a telescopic cylinder 79 fixed at the upper end of the reaction kettle 1. The linkage mechanism realizes the extension and contraction of the inner pipe body 71 and the outer pipe body 72, thereby adjusting the contact area of the heat conducting fins 73 and the materials.

It is clear that the injection assembly 81 comprises an injection pipe 83, the injection pipe 83 being closed by a feedback control valve 84. The material injection pipe 83 can inject the material into the material discharge pipe 8 to supplement the material discharge amount in time.

Preferably, the pressure relief assembly 9 comprises an overflow valve 91 arranged on the reaction kettle 1 and a liquid outlet 92 arranged on the side surface of the reaction kettle 1 and communicated with the interior of the reaction kettle, wherein the liquid outlet 92 is closed by a flange cover 93. The overflow valve 91 in the pressure relief assembly 9 automatically exhausts when the pressure is too high, and the liquid outlet 92 on the side surface of the overflow valve can be opened to lead out materials, and meanwhile, the overflow valve is convenient to clean.

In summary, the principle of the present embodiment is: reation kettle 1 realizes into discharging by charge-in pipeline 2 and discharge tube 8, and wherein the valve member 4 and the pump body subassembly 5 cooperation of charge-in pipeline 2 realize shunting feeding, and discharge tube 8 has pressure release subassembly 9 to in time adjust 1 inside and pipeline internal pressure of reation kettle, guarantee production safety.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the reaction kettle 1, the outer shell 11, the inner container 12, the insulating layer 13, the anti-sticking layer 14, the feeding pipeline 2, the main pipe body 21, the branch pipe body 22, the material baffle plate 23, the induction component 3, the valve component 4, the three-way valve 41, the parallel pipeline 42, the pump body component 5, the main pump body 51, the pump cavity 52, the one-way valve 53, the negative pressure cavity 54, the compression block 55, the driving motor 56 and the crank connecting rod 57 are more used, the terms of the wired/wireless transmission assembly 6, the DCS control system 61, the temperature adjusting pipe 7, the inner pipe 71, the outer pipe 72, the heat conducting fins 73, the fixed frame 74, the movable frame 75, the limiting groove 76, the limiting block 77, the linkage rod 78, the telescopic cylinder 79, the discharging pipe 8, the injecting assembly 81, the buffer tank 82, the injecting pipe 83, the feedback control valve 84, the pressure relief assembly 9, the overflow valve 91, the liquid discharge port 92, the flange cover 93 and the like are used, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. An automatic and DCS control device of a waterproof agent production line comprises a reaction kettle (1) and a feeding pipeline (2) connected with the reaction kettle (1), an induction component (3) is arranged in the feeding pipeline (2), the feeding pipeline (2) is provided with a valve component (4) and a pump body component (5), the valve assembly (4) and the pump body assembly (5) are connected with a DCS control system (61) through a wired/wireless transmission assembly (6), it is characterized in that a temperature adjusting pipe (7) which is arranged in a coiling way is arranged in the reaction kettle (1), the temperature adjusting pipe (7) is communicated with an external liquid pump, the reaction kettle (1) is connected with a discharge pipeline (8), the discharge pipeline (8) is externally connected with a material injection component (81) and a buffer tank (82), a pressure sensor and a pressure relief assembly (9) are arranged in the reaction kettle (1).

2. The automatic and DCS control device for the waterproof agent production line according to claim 1, wherein the feeding pipeline (2) comprises a plurality of branch pipe bodies (22) which are connected with the reaction kettle (1) in parallel through a main pipe body (21), a material baffle plate (23) is arranged at one end of each branch pipe body (22) opposite to the reaction kettle (1), and the material baffle plates (23) at the outlets of the adjacent branch pipe bodies (22) are arranged in a central symmetry mode relative to the reaction kettle (1).

3. The automated and DCS control system for a waterproof agent production line according to claim 2, wherein said valve assembly (4) comprises a three-way valve (41) disposed on a branch pipe body (22), said branch pipe body (22) is connected to another branch pipe body (22) through the three-way valve (41) and a parallel pipe (42), an inlet of said parallel pipe (42) is connected to the three-way valve (41) and an outlet thereof is connected to the branch pipe body (22) disposed between the three-way valve (41) and the reaction vessel (1).

4. An automatic and DCS control device for a waterproof agent production line according to claim 3, wherein the pump body assembly (5) comprises a main pump body (51) connected with a main pipe body (21), a pump cavity (52) for liquid to flow is arranged inside the main pump body (51), a one-way valve (53) is arranged at an inlet and an outlet of the pump cavity (52), a negative pressure cavity (54) is arranged inside the pump cavity (52), a compression block (55) is connected in the negative pressure cavity (54) in a sliding mode, a driving motor (56) is arranged outside the main pump body (51), and an output end of the driving motor (56) is connected with the compression block (55) through a crank connecting rod (57).

5. A waterproofing agent production line automation and DCS control apparatus according to claim 4, wherein said sensing assembly (3) comprises temperature, flow and hydraulic sensors disposed on the feed pipe (2).

6. The automatic and DCS control device of the waterproof agent production line according to claim 1, wherein the reaction kettle (1) comprises an outer shell (11) and an inner container (12), an insulating layer (13) is clamped between the outer shell (11) and the inner container (12), and an anti-sticking layer (14) is distributed on the inner side of the inner container (12).

7. The automatic and DCS control device of the waterproof agent production line according to claim 6, wherein the temperature adjusting pipe (7) comprises an inner pipe body (71) and an outer pipe body (72) which are sequentially connected in a sliding manner, heat conducting fins (73) are respectively arranged on the inner side and the outer side of the inner pipe body (71) and the outer pipe body (72), the inner pipe body (71) is connected with a fixed frame (74), the outer pipe body (72) is connected with a movable frame (75), a linkage mechanism for driving the movable frame (75) and the outer pipe body (72) to slide is arranged between the fixed frame (74) and the movable frame (75), and the heat conducting fins (73) on the outer side of the inner pipe body (71) and the outer pipe body (72) are relatively attached or separated along with the movement of the movable frame (75).

8. The automatic and DCS control device of a waterproof agent production line according to claim 7, wherein the linkage mechanism comprises a limiting groove (76) and a limiting block (77) which are arranged between the fixed frame (74) and the movable frame (75) and are connected in a sliding manner, the fixed frame (74) is fixedly connected with the reaction kettle (1), the movable frame (75) is provided with a linkage rod (78) extending to the upper end of the reaction kettle (1), and the linkage rod (78) is connected with an output end of a telescopic cylinder (79) fixed to the upper end of the reaction kettle (1).

9. The automated and DCS control system for a waterproof agent production line according to claim 1, wherein said injection assembly (81) comprises an injection tube (83), and said injection tube (83) is closed by a feedback control valve (84).

10. The automatic and DCS control device for the production line of the waterproof agent according to claim 1, wherein the pressure relief assembly (9) comprises an overflow valve (91) arranged on the reaction kettle (1) and a liquid outlet (92) arranged on the side surface of the reaction kettle (1) and communicated with the interior of the reaction kettle, and the liquid outlet (92) is closed by a flange cover (93).