CN222918641U - A reactor for accurately controlling the amount of raw material added - Google Patents
A reactor for accurately controlling the amount of raw material added Download PDFInfo
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- CN222918641U CN222918641U CN202421756878.3U CN202421756878U CN222918641U CN 222918641 U CN222918641 U CN 222918641U CN 202421756878 U CN202421756878 U CN 202421756878U CN 222918641 U CN222918641 U CN 222918641U
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Abstract
The utility model discloses a reaction kettle capable of accurately controlling raw material feeding amount, which comprises a kettle body, wherein a feed inlet and a discharge outlet are formed in the kettle body, a feed pump is arranged on the outer side of the kettle body, the feed pump is connected with the feed inlet through a feed conveying pipe, the feed inlet is positioned on the upper side of the kettle body, the connecting end of the feed conveying pipe and the feed inlet is positioned above the feed inlet, the outer diameter of the connecting end of the feed conveying pipe and the feed inlet is smaller than the inner diameter of the upper end of the feed inlet, a pipeline connecting mechanism is further arranged between the feed conveying pipe and the feed inlet, and a lifting mechanism for driving the feed conveying pipe to move up and down is arranged below the feed conveying pipe. According to the reaction kettle capable of accurately controlling the raw material feeding amount, the lifting mechanism and the pipeline connecting mechanism are matched to enable the conveying pipeline and the kettle body to be divided in weight, the weighing mechanism does not weigh the conveying pipeline and the participating materials in the conveying pipeline, the weighing mechanism is not affected by the residual materials in the conveying pipeline, the overall metering is more accurate, and the product quality is higher.
Description
Technical Field
The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle capable of accurately controlling the feeding amount of raw materials.
Background
In the production of automobile related system materials, isocyanate is generally put into a kettle under the condition of negative pressure, and then raw materials such as polyether polyol and the like are put into the kettle through a feeding pump, and the feeding amount of the raw materials needs to be accurately controlled in the feeding process, otherwise, the quality of products can be greatly influenced.
The existing reaction kettle generally calculates the weight change of the reaction kettle through a flowmeter, a dripping tank or directly so as to meter the raw materials, but the flowmeter and the dripping tank are still difficult to detect the residue of the raw materials in a conveying pipeline, the metering accuracy is greatly influenced by the residue of the raw materials, if the reaction kettle is directly subjected to the weight change calculation, the raw materials are also easily recorded into the feeding weight when the raw materials are remained in the pipeline due to the direct connection of the feeding pipeline and the reaction kettle, the influence of the pipeline residue on the metering still cannot be solved, the error is difficult to control, and the product quality is indirectly caused to deviate.
Therefore, in combination with the above-mentioned technical problems, it is necessary to provide a new technical solution.
Disclosure of utility model
The utility model aims to provide a reaction kettle capable of accurately controlling the raw material feeding amount, wherein the metering is more accurate, and the influence of pipeline residues on the metering result is smaller.
In order to solve the technical problems, the utility model provides a reaction kettle capable of accurately controlling the raw material feeding amount, which comprises the following specific technical scheme:
The reaction kettle capable of accurately controlling the raw material feeding amount comprises a kettle body, wherein a feed inlet and a discharge outlet are formed in the kettle body, a feed pump is arranged on the outer side of the kettle body, the feed pump is connected with the feed inlet through a feed conveying pipe, the feed inlet is arranged on the upper side of the kettle body, the connecting end of the feed conveying pipe and the feed inlet is arranged above the feed inlet, the outer diameter of the connecting end of the feed conveying pipe and the feed inlet is smaller than the inner diameter of the upper end of the feed inlet, a pipeline connecting mechanism is further arranged between the feed conveying pipe and the feed inlet, a lifting mechanism for driving the feed conveying pipe to move up and down is arranged below the feed conveying pipe, the lifting mechanism is used for limiting the feed conveying pipe through the pipeline connecting mechanism when driving the feed conveying pipe to move so as to prevent the feed conveying pipe and the feed inlet from slipping, a weighing mechanism for monitoring the weight inside the kettle body is arranged below the kettle body, and a quick-break valve electrically connected with the weighing mechanism is arranged at the position of the feed conveying pipe close to the feed inlet.
Preferably, the fixed ring in the outer side of the connecting end of the conveying pipe and the feeding hole is provided with a limiting ring, the feeding hole extends to the outer side of the kettle body, the pipeline connecting mechanism comprises a mounting part which is fixedly arranged on the outer side of the feeding hole through the fixed ring, a heightening seat is fixedly arranged on the mounting part along the outer edge of the feeding hole, one end of the heightening seat, far away from the mounting part, is detachably provided with an annular limiting disc, and the limiting ring is positioned between the limiting disc and the outer end of the feeding hole when the conveying pipe is connected with the feeding hole.
Preferably, the limiting plate is formed by assembling two semi-annular plates, the outer diameter of the conveying pipe is smaller than the inner diameter of the feeding hole, and the outer diameter of the limiting ring is larger than the inner diameters of the feeding hole and the limiting plate.
Preferably, the lifting mechanism comprises a bearing plate and a jacking part positioned below the bearing plate, and the conveying pipe is fixed on the bearing plate through a bracket.
Preferably, the jacking part specifically adopts a lifting rod driven by a screw rod or an oil cylinder, and the stroke of the jacking part does not exceed the difference between the distance from the outer end of the feed inlet to the limiting disc and the thickness of the limiting ring.
Preferably, the feed pump is also fixed to the carrier plate, and the feed pump and the feed delivery tube remain relatively fixed.
Preferably, the stirring blade is further arranged in the kettle body, a driving motor is arranged outside the kettle body, and the stirring blade is connected with the driving motor and driven by the driving motor to rotate.
The reaction kettle capable of accurately controlling the raw material feeding amount has the following beneficial effects:
According to the reaction kettle capable of accurately controlling the raw material feeding amount, the lifting mechanism and the pipeline connecting mechanism are matched to divide the conveying pipeline and the kettle body in weight, the weighing mechanism does not weigh the conveying pipeline and the participating materials in the conveying pipeline, the weighing mechanism is not affected by the residual materials in the conveying pipeline, the overall metering is more accurate, and the product quality is higher;
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a reaction kettle with precisely controlled raw material feeding amount;
Fig. 2 is an enlarged schematic view at a in fig. 1.
The device comprises a 1-kettle body, 11-stirring blades, 12-driving motors, 13-feeding holes, 14-discharging holes, 2-feeding pumps, 3-conveying pipes, 31-quick-break valves, 32-limiting rings, 4-pipeline connecting mechanisms, 41-mounting parts, 42-heightening seats, 43-limiting discs, 5-weighing mechanisms, 6-lifting mechanisms, 61-bearing plate plates and 62-lifting parts.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Examples
Referring to fig. 1-2, a reaction kettle capable of accurately controlling raw material feeding amount comprises a kettle body 1, wherein a feed inlet 13 and a discharge outlet 14 are formed in the kettle body 1, a feed pump 2 is arranged on the outer side of the kettle body, the feed pump is connected with the feed inlet 13 through a feed conveying pipe 3, the feed inlet is arranged on the upper side of the kettle body, the connecting end of the feed conveying pipe and the feed inlet is arranged above the feed inlet, the outer diameter of the connecting end of the feed conveying pipe and the feed inlet is smaller than the inner diameter of the upper end of the feed inlet, a pipeline connecting mechanism 4 is further arranged between the feed conveying pipe 3 and the feed inlet 13, a lifting mechanism 6 for driving the feed conveying pipe to move up and down is arranged below the feed conveying pipe 3, the lifting mechanism limits the feed conveying pipe through the pipeline connecting mechanism when driving the feed conveying pipe to move so as to prevent the feed conveying pipe and the feed inlet, a weighing mechanism 5 for monitoring the weight inside the kettle body is arranged below the kettle body, and a quick-break valve 31 electrically connected with the weighing mechanism is arranged at the position of the feed conveying pipe close to the feed inlet.
The fixed ring in the link outside of conveying pipeline 3 and feed inlet 13 is equipped with spacing ring 32, and the feed inlet extends to the cauldron outside, pipeline coupling mechanism 4 is including fixed ring establishes the installation department 41 in the feed inlet 13 outside, and the fixed seat 42 that increases that is provided with along the feed inlet outer fringe on the installation department, increases the seat and keep away from the annular spacing dish 43 of installing part's one end detachable installation, and the spacing ring is located between spacing dish and the feed inlet outer end when conveying pipeline and feed inlet are connected.
The limiting plate 43 is formed by assembling two semi-annular plates, the outer diameter of the conveying pipe 3 is smaller than the inner diameter of the feeding hole 13, and the outer diameter of the limiting ring 32 is larger than the inner diameters of the feeding hole 13 and the limiting plate 43.
The lifting mechanism 6 comprises a bearing plate 61 and a lifting part 62 positioned below the bearing plate, and the conveying pipe is fixed on the bearing plate through a bracket.
The jacking part is a lifting rod driven by a screw rod or an oil cylinder, and the stroke of the jacking part does not exceed the difference between the distance from the outer end of the feed inlet to the limiting disc and the thickness of the limiting ring 32.
The feed pump 2 is also fixed to the carrier plate 61 and the feed pump and the feed conveyor pipe remain relatively fixed.
Still install stirring leaf 11 in the cauldron body 1, the external portion of cauldron is equipped with driving motor 12, stirring leaf is connected with driving motor and is rotated by driving motor drive.
The reaction kettle capable of precisely controlling the raw material feeding amount is characterized in that a feed pump 2 is connected with a kettle body 1 by a feed conveying pipe 3 before the reaction kettle is fed, one end of the feed conveying pipe can be fixedly connected with the feed pump, the other end of the feed conveying pipe is connected with a feed inlet 13 of the kettle body, a limiting disc 43 is detached, one end of the feed conveying pipe is inserted into the feed inlet, the limiting disc is mounted, a limiting ring 32 at the end part of the feed conveying pipe is positioned between the limiting disc 43 and the end part of the feed inlet, and before feeding, a jacking part 62 is controlled to drive the whole feed conveying pipe to move upwards slightly, so that the limiting part of the feed conveying pipe is not contacted with the feed inlet and the limiting disc, and the metering value is prevented from being influenced. And at the moment, feeding is performed, the feeding amount is weighed and calculated under the metering of the weighing mechanism, and when the feeding amount reaches a preset value, the weighing mechanism controls the quick-break valve to be closed, so that feeding is completed. Wherein the material of hard and difficult deformation is needed for the material conveying pipe. In the process, even if the raw material residue exists in the conveying pipe, the weighing mechanism can not produce metering influence.
The automatic weighing device has the beneficial effects that the lifting mechanism and the pipeline connecting mechanism are matched to divide the conveying pipeline and the kettle body in weight, the weighing mechanism does not weigh the conveying pipeline and the participating materials in the conveying pipeline, the weighing mechanism is not influenced by the residual materials in the conveying pipeline, the whole metering is more accurate, and the product quality is higher.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications and alternatives to the above embodiments may be made by those skilled in the art within the scope of the utility model.
Claims (7)
1. A reaction kettle capable of accurately controlling raw material feeding quantity is characterized by comprising a kettle body (1), wherein a feeding hole (13) and a discharging hole (14) are formed in the kettle body (1), a feeding pump (2) is arranged on the outer side of the kettle body (1), the feeding pump (2) is connected with the feeding hole (13) through a feeding pipe (3), the feeding hole (13) is located on the upper side of the kettle body (1), the connecting end of the feeding pipe (3) and the feeding hole (13) is located above the feeding hole (13), the outer diameter of the connecting end of the feeding pipe (3) and the feeding hole (13) is smaller than the inner diameter of the upper end of the feeding hole (13), a pipe connecting mechanism (4) is further arranged between the feeding pipe (3) and the feeding hole (13), a lifting mechanism (6) for driving the feeding pipe (3) to move up and down is arranged below the feeding pipe (3), the lifting mechanism (6) is used for limiting and preventing the feeding pipe (3) and the feeding pipe (13) from slipping, the outer diameter of the connecting end of the feeding pipe (3) and the feeding hole (13) is smaller than the inner diameter of the connecting end of the feeding hole (13), and a weighing mechanism (31) is arranged below the feeding pipe (1), and a weighing mechanism (5) is arranged close to the feeding hole (13), and a weighing mechanism (5) is arranged below the feeding mechanism.
2. The reaction kettle for accurately controlling the raw material feeding amount according to claim 1, wherein a limiting ring (32) is fixedly arranged on the outer side of the connecting end of the conveying pipe (3) and the feeding port (13), the feeding port (13) extends to the outer side of the kettle body (1), the pipeline connecting mechanism (4) comprises a mounting part (41) fixedly arranged on the outer side of the feeding port (13) through a fixing ring, a heightening seat (42) is fixedly arranged on the mounting part (41) along the outer edge of the feeding port (13), an annular limiting disc (43) is detachably arranged at one end, far away from the mounting part, of the heightening seat (42), and the limiting ring is positioned between the limiting disc (43) and the outer end of the feeding port (13) when the conveying pipe (3) is connected with the feeding port (13).
3. The reaction kettle for accurately controlling the raw material feeding amount according to claim 2, wherein the limiting disc (43) is formed by splicing two semi-annular plates, the outer diameter of the conveying pipe (3) is smaller than the inner diameter of the feeding hole (13), and the outer diameter of the limiting ring (32) is larger than the inner diameters of the feeding hole (13) and the limiting disc (43).
4. The reaction kettle for accurately controlling the raw material feeding amount according to claim 3, wherein the lifting mechanism (6) comprises a bearing plate (61) and a jacking part (62) positioned below the bearing plate (61), and the conveying pipe (3) is fixed on the bearing plate (61) through a bracket.
5. The reaction kettle for accurately controlling the raw material feeding amount according to claim 4, wherein the jacking part (62) is a lifting rod driven by a screw rod or an oil cylinder, and the stroke of the jacking part (62) does not exceed the difference between the distance from the outer end of the feed inlet (13) to the limiting disc (43) and the thickness of the limiting ring (32).
6. The reaction kettle for precisely controlling the raw material feeding amount according to claim 4, wherein the feeding pump (2) is also fixed on the bearing plate (61), and the feeding pump (2) and the conveying pipe (3) are kept relatively fixed.
7. The reaction kettle for accurately controlling the raw material feeding amount according to claim 1, wherein stirring blades (11) are further arranged in the kettle body (1), a driving motor (12) is arranged outside the kettle body (1), and the stirring blades (11) are connected with the driving motor (12) and are driven by the driving motor (12) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421756878.3U CN222918641U (en) | 2024-07-24 | 2024-07-24 | A reactor for accurately controlling the amount of raw material added |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421756878.3U CN222918641U (en) | 2024-07-24 | 2024-07-24 | A reactor for accurately controlling the amount of raw material added |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222918641U true CN222918641U (en) | 2025-05-30 |
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ID=95812756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421756878.3U Active CN222918641U (en) | 2024-07-24 | 2024-07-24 | A reactor for accurately controlling the amount of raw material added |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222918641U (en) |
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2024
- 2024-07-24 CN CN202421756878.3U patent/CN222918641U/en active Active
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