CN210733010U

CN210733010U - Polyurethane production system

Info

Publication number: CN210733010U
Application number: CN201921321224.7U
Authority: CN
Inventors: 李涛; 张金剑; 陆伟
Original assignee: Huicai Material Science And Technology Suzhou Co ltd
Current assignee: Huicai Material Science And Technology Suzhou Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-06-12
Anticipated expiration: 2029-08-15

Abstract

The utility model relates to a polyurethane production system, include polyurethane white material storage tank, polyurethane black material storage tank, foaming machine, be used for carrying white material extremely the foaming machine first take out material machine, respectively with polyurethane black material storage tank with the foaming machine be connected be used for with the polyurethane black material storage tank in black material carry extremely the second take out material machine of foaming machine, polyurethane production system still including have the agitator premix device, respectively with polyurethane white material storage tank with premix device be connected be used for with polyurethane white material storage tank in white material carry extremely premix device's diaphragm pump, first take out material machine respectively with premix device with the foaming machine be connected, premix device's capacity be greater than the capacity of polyurethane white material storage tank. The utility model discloses change for a short time to the system, and the system after the improvement can guarantee that product quality is stable, improves production efficiency, practices thrift the cost.

Description

Polyurethane production system

Technical Field

The utility model relates to a polyurethane production system.

Background

The existing polyurethane foaming manufacturers adopt a steel pipe plug-in connector to directly pump the system material into a foaming storage kettle, and customers consider that a foaming machine storage tank is provided with a fixed-frequency stirrer and can uniformly stir raw materials, however, components in a white material of a polyurethane system can be layered due to the difference of compatibility, polarity and density, and a black material of the polyurethane system cannot be layered, so that the current production equipment ignores that the raw materials are layered before loading, the quality of the produced product fluctuates, the production cost is increased, and the stability of the product is seriously influenced.

Disclosure of Invention

The utility model aims at providing a polyurethane production system that product quality is stable, low in production cost.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a polyurethane production system comprises a polyurethane white material storage tank, a polyurethane black material storage tank, a foaming machine, a first material pumping machine used for conveying white materials to the foaming machine, a second material pumping machine respectively connected with the polyurethane black material storage tank and the foaming machine and used for conveying black materials in the polyurethane black material storage tank to the foaming machine, a premixing device with a stirrer, and a diaphragm pump respectively connected with the polyurethane white material storage tank and the premixing device and used for conveying white materials in the polyurethane white material storage tank to the premixing device, wherein the first material pumping machine is respectively connected with the premixing device and the foaming machine, and the capacity of the premixing device is larger than that of the polyurethane white material storage tank.

Preferably, the polyurethane production system further comprises a first hose, one end of the first hose is connected with the polyurethane white material storage tank through a quick coupling, and the other end of the first hose is fixedly connected with the diaphragm pump; through quick-operation joint with the white material storage tank of polyurethane be connected, can realize the quick replacement of the white material storage tank of polyurethane, improve work efficiency.

Specifically, the other end of the first hose is fixedly connected with the first clamp.

Specifically, the polyurethane production system further comprises a second hose, two ends of which are fixedly connected with the diaphragm pump and the premixing device respectively through a second clamp and a third clamp.

Specifically, the polyurethane production system further comprises a third hose, wherein two ends of the third hose are fixedly connected with the premixing device and the first material pumping machine through a fourth clamp and a fifth clamp respectively.

Preferably, the polyurethane production system further comprises a PLC control system respectively connected with the foaming machine, the first material pumping machine and the second material pumping machine, so that automatic feeding of the foaming machine can be realized, and automatic production can be realized.

Further preferably, the premixing device further comprises a liquid level meter, the liquid level meter is connected with the PLC control system, and when the liquid level reaches the warning liquid level of the liquid level meter, the PLC control system controls the diaphragm pump to stop working. The setting of level gauge is convenient for the workman on the one hand and observes the liquid level in the premixing device to be convenient for know when should carry out the material loading to the premixing device, on the other hand prevents through PLC control system that the white material that causes because of reasons such as workman's maloperation from spilling over the risk.

Further preferably, the foaming machine comprises a white material kettle connected with the first material pumping machine, a black material kettle connected with the second material pumping machine, and a mixing head respectively connected with the white material kettle and the black material kettle, the polyurethane production system further comprises a fourth hose, two end parts of which are respectively and fixedly connected with the first material pumping machine and the white material kettle through a sixth clamp and a seventh clamp, a fifth hose, two end parts of which are respectively and fixedly connected with the black material kettle and the second material pumping machine through an eighth clamp and a ninth clamp, and a sixth hose, two end parts of which are respectively and fixedly connected with the second material pumping machine and the polyurethane black material storage tank through a tenth clamp and an eleventh clamp.

The utility model discloses a clamp realizes being connected of hose and device, installation and easy maintenance.

Preferably, the premixing device further comprises an exhaust hole.

Preferably, the premixing device further comprises a timing relay which is connected with the stirrer and can control the stirrer to stop working after working for a set time, so that demulsification caused by excessive stirring of the white materials is avoided.

The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, but also covers other technical solutions formed by arbitrary combinations of the above technical features or equivalent features. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses change for a short time to the system, and the system after the improvement can guarantee that product quality is stable, improves production efficiency, practices thrift the cost.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view of the construction of the premixing device;

wherein: 1. a polyurethane white material storage tank; 2. a polyurethane black material storage tank; 3. a diaphragm pump; 4. a premixing device; 5. a first material pumping machine; 6. a second material pumping machine; 7. a white material kettle; 8. a black material kettle; 9. a mixing head; 11. a first hose; 12. a second hose; 13. a third hose; 14. a fourth hose; 15. a fifth hose; 16. a sixth hose; 41. a tank body; 42. a blender; 43. a liquid level meter; 45. a feed pipe; 46. and (4) discharging the pipe.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 2, a polyurethane production system includes a polyurethane white material storage tank 1, a polyurethane black material storage tank 2, a diaphragm pump 3, a premixing device 4, a first material pumping machine 5, a second material pumping machine 6 and a foaming machine.

The foaming machine comprises a white material kettle 7, a black material kettle 8 and a mixing head 9 respectively connected with the white material kettle 7 and the black material kettle 8, wherein the foaming machine can adopt a conventional foaming machine in the field.

One end of the first hose 11 is connected with the polyurethane white material storage tank 1 through a quick coupling, and the other end is fixedly connected with the diaphragm pump 3 through a first clamp.

One end of the second hose 12 is fixedly connected to the membrane pump 3 via a second clamp, and the other end is fixedly connected to the feed pipe 45 of the premixing device 4 via a third clamp.

One end of the third hose 13 is fixedly connected to the discharge pipe 46 of the premixing device 4 via a fourth clamp, and the other end is fixedly connected to the first extractor 5 via a fifth clamp.

One end of the fourth hose 14 is fixedly connected with the first extractor 5 through a sixth hoop, and the other end is fixedly connected with the white material kettle 7 through a seventh hoop.

One end of the fifth hose 15 is fixedly connected with the black material kettle 8 through an eighth clamp, and the other end of the fifth hose is fixedly connected with the second material pumping machine 6 through a ninth clamp.

One end of the sixth hose 16 is fixedly connected with the second extractor 6 through a tenth hoop, and the other end is fixedly connected with the polyurethane black material storage tank 2 through an eleventh hoop.

The polyurethane production system further comprises a PLC control system which is respectively connected with the foaming machine, the first material pumping machine 5 and the second material pumping machine 6, when the PLC control system finds that materials in a white material kettle 7 and a black material kettle 8 of the foaming machine are lower than set values, the PLC control system controls the first material pumping machine 5 and the second material pumping machine 6 to work and pump the materials, and the black materials and the white materials are mixed by a mixing head 9 and then injected into a foaming box for foaming.

The premixing apparatus 4 comprises a tank 41, a stirrer 42 disposed in the tank 41, a timing relay connected to the stirrer 42 and capable of controlling the stirrer 42 to stop after a predetermined time of operation, a level gauge 43 and an exhaust hole provided in the tank 41, a feed pipe 45 provided in the upper part of the tank 41, and a discharge pipe 46 provided in the lower part of the tank 41.

The capacity of the tank body 41 of the premixing device 4 is larger than that of the polyurethane white material storage tank 1, and when the premixing device 4 feeds materials each time, the whole barrel of white materials in the polyurethane white material storage tank 1 is fed to the premixing device 4, the stirrer 42 is stirred for 1.5 hours generally according to a certain rotating speed, and after the set time is reached, the timing relay controls the stirrer 42 to stop working.

The utility model discloses in process of production, white material has avoided the white material through depositing the layering that leads to after premixing device stirring mixes, and after the raw and other materials that mix in advance entered the foaming machine, the product surface that the foaming came out is smooth and exquisite, can reduce 10% product defective rate, and effectual reduction in production cost reduces the production of solid rubbish, is favorable to the sustainable development of company.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a polyurethane production system, includes polyurethane white material storage tank (1), polyurethane black material storage tank (2), foaming machine, be used for carrying white material to first stock extractor (5) of foaming machine, be connected with polyurethane black material storage tank (2) and foaming machine respectively and be used for carrying the black material in polyurethane black material storage tank (2) to second stock extractor (6) of foaming machine which characterized in that: the polyurethane production system further comprises a premixing device (4) with a stirrer (42) and diaphragm pumps (3) which are respectively connected with the polyurethane white material storage tank (1) and the premixing device (4) and used for conveying white materials in the polyurethane white material storage tank (1) to the premixing device (4), the first material pumping machine (5) is respectively connected with the premixing device (4) and the foaming machine, and the capacity of the premixing device (4) is larger than that of the polyurethane white material storage tank (1).

2. The polyurethane production system of claim 1, wherein: the polyurethane production system also comprises a first hose (11) with one end connected with the polyurethane white material storage tank (1) through a quick coupling, and the other end of the first hose (11) is fixedly connected with the diaphragm pump (3).

3. The polyurethane production system of claim 2, wherein: the other end of the first hose (11) is fixedly connected with the first clamp.

4. The polyurethane production system of claim 1, wherein: the polyurethane production system also comprises a second hose (12) of which two ends are fixedly connected with the diaphragm pump (3) and the premixing device (4) through a second clamp and a third clamp respectively.

5. The polyurethane production system of claim 1, wherein: the polyurethane production system also comprises a third hose (13) with two end parts fixedly connected with the premixing device (4) and the first material pumping machine (5) through a fourth hoop and a fifth hoop respectively.

6. The polyurethane production system of claim 1, wherein: the polyurethane production system also comprises a PLC control system which is respectively connected with the foaming machine, the first material pumping machine (5) and the second material pumping machine (6).

7. The polyurethane production system of claim 6, wherein: the premixing device (4) further comprises a liquid level meter (43), wherein the liquid level meter (43) is connected with the PLC control system, and when the liquid level reaches the warning liquid level of the liquid level meter (43), the PLC control system controls the diaphragm pump (3) to stop working.

8. The polyurethane production system of claim 6, wherein: the foaming machine comprises a white material kettle (7) connected with the first material pumping machine (5), a black material kettle (8) connected with the second material pumping machine (6), and a mixing head (9) respectively connected with the white material kettle (7) and the black material kettle (8), polyurethane production system still include both ends respectively through sixth clamp and seventh clamp with first extractor (5) with white material cauldron (7) looks fixed connection's fourth hose (14), both ends respectively through eighth clamp and ninth clamp with black material cauldron (8) with second extractor (6) looks fixed connection's fifth hose (15), both ends respectively through tenth clamp and eleventh clamp with second extractor (6) with polyurethane black material storage tank (2) looks fixed connection's sixth hose (16).

9. The polyurethane production system of claim 1, wherein: the premixing device (4) also comprises an exhaust hole.

10. The polyurethane production system of claim 1, wherein: the premixing device (4) also comprises a timing relay which is connected with the stirrer (42) and can control the stirrer (42) to stop working after working for a set time.