Oil temperature control device of polyvinyl chloride paste resin atomization dryer

Abstract

The utility model relates to the technical field of oil temperature control devices of atomization dryers, in particular to an oil temperature control device of a polyvinyl chloride paste resin atomization dryer, which comprises an atomization dryer and a heat exchanger, and an air outlet of the heat exchanger is communicated with a cooling air inlet of a lubricating oil system of the atomization dryer through a cooling air conveying pipeline. An air inlet of the heat exchanger is communicated with a fan through a to-be-cooled air conveying pipeline, and a cooling water inlet of the heat exchanger is communicated with a cooling water inlet pipeline. The oil temperature interlocking protection device is reasonable and compact in structure and convenient to use, and prevents an oil temperature high alarm or oil temperature interlocking protection shutdown from being triggered in the operation process of the atomization dryer; the operation condition of the device is optimized to a great extent, the operation rate of the atomization dryer is greatly increased, the lubricating quality of the device is greatly improved, the alarm rate of high lubricating oil temperature is reduced, long-period operation of the atomization dryer is ensured, and therefore production continuity and device stability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil temperature control devices for atomizing dryers, in particular to an oil temperature control device for a polyvinyl chloride paste resin atomizing dryer. Background Art

[0002] As the key equipment for the production of polyvinyl chloride paste resin, the operating conditions of the atomizer dryer will directly affect the production balance and device load of the upstream and downstream. The atomizer dryer lubrication system currently used in the device adopts a natural circulation heat dissipation method to dissipate heat and cool the lubricating oil. This design does not take into account the temperature conditions of the four seasons in various regions, resulting in the frequent high oil temperature alarm of the lubricating oil in some areas due to temperature reasons (such as high temperatures in summer), which can easily trigger interlock protection and cause the atomizer dryer to shut down. Summary of the invention

[0003] The utility model provides an oil temperature control device for a polyvinyl chloride paste resin atomizing dryer, which overcomes the deficiencies of the prior art and can effectively solve the problem that the existing atomizing dryer lubricating oil temperature cooling method cannot meet the lubricating oil temperature reduction requirement in hot seasons.

[0004] The technical scheme of the utility model is achieved through the following measures: an oil temperature control device for a polyvinyl chloride paste resin atomizing dryer, comprising an atomizing dryer and a heat exchanger, wherein an air outlet of the heat exchanger is communicated with a cooling air inlet of a lubricating oil system of the atomizing dryer through a cooling air delivery pipeline, an air inlet of the heat exchanger is communicated with a fan through an air delivery pipeline to be cooled, a cooling water inlet of the heat exchanger is communicated with a cooling water inlet pipeline, a cooling water return port of the heat exchanger is communicated with a cooling water return pipeline, and valves are connected in series to the cooling air delivery pipeline, the air delivery pipeline to be cooled, the cooling water inlet pipeline and the cooling water return pipeline.

[0005] The following are further optimizations and / or improvements to the above utility model technical solution:

[0006] An air inlet cavity is arranged on the right side of the heat exchanger, and the right side of the air inlet cavity is an air inlet. The air inlet cavity gradually increases along the air flow direction.

[0007] An air outlet cavity is arranged on the left side of the heat exchanger, and the left side of the air outlet cavity is an air outlet. The air outlet cavity gradually shrinks along the air flow direction.

[0008] The heat exchanger is a spiral fin tube heat exchanger.

[0009] The above-mentioned fan adopts a centrifugal fan.

[0010] The air inlet of the centrifugal fan is provided with a protective net.

[0011] The utility model has a reasonable and compact structure and is easy to use. It avoids the occurrence of high oil temperature alarms or oil temperature interlock protection shutdown during the operation of the atomizing dryer; it optimizes the operating conditions of the equipment to a great extent, greatly prolongs the operating rate of the atomizing dryer and the lubrication quality of the equipment, reduces the alarm rate of high lubricating oil temperature, ensures the long-term operation of the atomizing dryer, and thus realizes the continuity of production and the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Attached Figure 1 The figure is a schematic diagram of the process flow of an embodiment of the utility model.

[0013] Attached Figure 2 For attachment Figure 1 Schematic diagram of the local enlarged structure in.

[0014] The codes in the accompanying drawings are: 1 is an atomizing dryer, 2 is a heat exchanger, 3 is an air outlet, 4 is a cooling air delivery pipeline, 5 is an air inlet, 6 is an air delivery pipeline to be cooled, 7 is a fan, 8 is a cooling water inlet pipeline, 9 is a cooling water return pipeline, 10 is an air inlet chamber, 11 is an air outlet chamber, 12 is a cooling water inlet, and 13 is a cooling water return port. DETAILED DESCRIPTION

[0015] The present invention is not limited by the following embodiments, and specific implementation methods can be determined according to the technical solution of the present invention and actual conditions.

[0016] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached manual. Figure 1 The layout is described in detail, such as the positional relationship of front, back, top, bottom, left, right, etc., which is based on the attached manual. Figure 1 It is determined by the layout direction.

[0017] Normal temperature in the present invention generally refers to a temperature between 15°C and 25°C, and is generally defined as 25°C.

[0018] The present invention is further described below in conjunction with the embodiments and drawings:

[0019] As attached Figure 1 , 2As shown, the oil temperature control device of the polyvinyl chloride paste resin atomizing dryer comprises an atomizing dryer 1 and a heat exchanger 2, the air outlet 3 of the heat exchanger 2 is connected with the cooling air inlet of the lubricating oil system of the atomizing dryer 1 through a cooling air delivery pipeline 4, the air inlet 5 of the heat exchanger 2 is connected with a fan 7 through a to-be-cooled air delivery pipeline 6, the cooling water inlet 12 of the heat exchanger 2 is connected with a cooling water inlet pipeline 8, the cooling water return port 13 of the heat exchanger 2 is connected with a cooling water return pipeline 9, and the cooling air delivery pipeline 4, the to-be-cooled air delivery pipeline 6, the cooling water inlet pipeline 8 and the cooling water return pipeline 9 are all connected in series with valves.

[0020] The combination of the fan 7 and the heat exchanger 2 is used to cool the normal temperature air and transport it to the lubrication system area of ​​the atomizing dryer 1 to exchange heat and cool the lubricating oil.

[0021] The utility model performs forced heat exchange on the lubrication system of the atomizing dryer 1, thereby avoiding the occurrence of a high oil temperature alarm or the triggering of an oil temperature interlock protection shutdown during the operation of the atomizing dryer 1; the operating conditions of the equipment are optimized to a great extent, the operation rate of the atomizing dryer 1 and the equipment lubrication quality are greatly extended, the alarm rate of high lubricating oil temperature is reduced, and the long-term operation of the atomizing dryer 1 is ensured, thereby achieving the continuity of production and the stability of the device.

[0022] The utility model does not change the main production operation mode of the product, realizes the long, full and optimal operation of the equipment, and ensures the full load and high output of the device production.

[0023] According to actual needs, the above-mentioned polyvinyl chloride paste resin atomizing dryer oil temperature control device can be further optimized and / or improved:

[0024] As attached Figure 2 As shown, an air inlet cavity 10 is arranged on the right side of the heat exchanger 2, and the right side of the air inlet cavity 10 is an air inlet port 5. Along the air flow direction, the air inlet cavity 10 gradually increases.

[0025] The gradually enlarged air inlet cavity 10 is designed to fully cool the air.

[0026] As attached Figure 2 As shown, an air outlet cavity 11 is arranged on the left side of the heat exchanger 2, and the air outlet 3 is arranged on the left side of the air outlet cavity 11. The air outlet cavity 11 gradually shrinks along the air flow direction.

[0027] The gradually shrinking air outlet cavity 11 is designed to provide a buffer space for the cooled air, so that the cooled air can be output in an orderly manner and the impact on the output pipeline can be reduced.

[0028] According to the needs, taking into account the heat exchange efficiency, flow resistance and on-site installation specifications and dimensions, the heat exchanger 2 adopts a spiral fin tube heat exchanger 2, the base tube is made of carbon steel, and the fin material is aluminum.

[0029] As required, the fan 7 is a centrifugal fan.

[0030] According to needs, in order to ensure the safety of daily inspection and operation by personnel, the air inlet 5 of the centrifugal fan 7 is provided with a protective net.

[0031] The above technical features constitute a preferred embodiment of the present utility model, which has strong adaptability and implementation effect. Non-essential technical features can be added or removed according to actual needs to meet the requirements of different situations.

[0032] The use process of the embodiment of the utility model:

[0033] Cooling water (for example, 7° cooling water) is introduced into the heat exchanger 2 through the cooling water inlet pipeline 8. The cooling water is used as the cold medium in the cold and heat exchange medium. The air is transported to the heat exchanger 2 by the fan 7. The heat exchanger 2 is used as a carrier. Through the cold and heat exchange between the air and the cooling water (for example, 7° cooling water) in the heat exchanger 2, the cooled air is transported to the lubrication system of the atomizing dryer 1 through the cooling air transport pipeline 4 to control the temperature of the lubricating oil.

Claims

1. A polyvinyl chloride paste resin atomizing dryer oil temperature control device, characterized in that It includes an atomizing dryer and a heat exchanger. The air outlet of the heat exchanger is connected to the cooling air inlet of the lubricating oil system of the atomizing dryer through a cooling air delivery pipeline. The air inlet of the heat exchanger is connected to a fan through an air delivery pipeline to be cooled. The cooling water inlet of the heat exchanger is connected to a cooling water inlet pipeline. The cooling water return port of the heat exchanger is connected to a cooling water return pipeline. The cooling air delivery pipeline, the air delivery pipeline to be cooled, the cooling water inlet pipeline and the cooling water return pipeline are all connected in series with valves.

2. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 1, characterized in that An air inlet cavity is arranged on the right side of the heat exchanger, and the right side of the air inlet cavity is the air inlet. Along the air flow direction, the air inlet cavity gradually increases.

3. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 1 or 2, characterized in that An air outlet cavity is arranged on the left side of the heat exchanger, and the air outlet is arranged on the left side of the air outlet cavity. The air outlet cavity gradually shrinks along the air flow direction.

4. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 1 or 2, characterized in that The heat exchanger adopts spiral fin tube heat exchanger.

5. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 3, characterized in that The heat exchanger adopts spiral fin tube heat exchanger.

6. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 1, 2 or 5, characterized in that The fan adopts centrifugal fan.

7. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 3, characterized in that The fan adopts centrifugal fan.

8. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 4, characterized in that The fan adopts centrifugal fan.

9. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 6, characterized in that The air inlet of the core fan is provided with a protective net.

10. The oil temperature control device for a polyvinyl chloride paste resin atomizing dryer according to claim 7 or 8, characterized in that The air inlet of the core fan is provided with a protective net.

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