Feeding system of cellulose ether ton bag packaging machine

Abstract

A feeding system of a cellulose ether ton bag packaging machine comprises a cyclone separator, a feeding port of the cyclone separator is connected with a cellulose ether source, an exhaust port of the cyclone separator is connected with an induced draft fan, the feeding system further comprises a middle stock bin, the top of the middle stock bin is provided with a feeding port and an air inlet, the air inlet is provided with a filter screen, and the feed port is connected with the induced draft fan. An airflow mixer is arranged at the bottom of the middle bin, the middle bin is located below the cyclone separator, a feeding port of the middle bin is connected with a discharging port of the cyclone separator through a first cyclone feeder, an air inlet of the middle bin is connected with an instrument air source, and a middle bin feeder is arranged at the downstream end of the airflow mixer. And feeding the ton bag packaging machine. The feeding device is simple in structure and low in operation cost, stable feeding can be guaranteed, and the actual requirements of enterprises are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical industry especially relates to a cellulose ether ton bag packing machine's feeding system. BACKGROUND

[0002] The chemical enterprise utilizes the refined cotton as raw material, after crushing, alkalization, etherification, drying procedure, obtains cellulose ether finished product, and the cellulose ether finished product is sent to ton bag packing machine through cyclone separator, and the bagged cellulose ether product is obtained by packing, and is sent to the warehouse.

[0003] At present, affected by the frequency change of the induced draft fan matched with the cyclone separator, the discharge flow of the cyclone separator is prone to fluctuation, which causes the measurement error of the bagged cellulose ether product, in addition, a certain proportion of additives usually needs to be added, and the direct placement in the induced draft fan also has the defect that uneven mixing causes product quality defects.

[0004] Therefore, how to design a system that can stably feed the ton bag packing machine is a problem to be solved by those skilled in the art. SUMMARY

[0005] The utility model aims at the deficiency of prior art, provides a cellulose ether ton bag packing machine's feeding system, its simple structure, low operating cost can guarantee that the feeding is stable, satisfies the actual demand of enterprise.

[0006] The technical scheme of the utility model is: a cellulose ether ton bag packing machine's feeding system, including cyclone separator, the feed inlet of cyclone separator is connected with cellulose ether source, the exhaust port of cyclone separator is connected with induced draft fan, still including intermediate bunker, the top of intermediate bunker is provided with feed inlet, air inlet, and the air inlet is provided with filter screen, the bottom of intermediate bunker is provided with airflow mixing machine, the intermediate bunker is located below cyclone separator, the feed inlet of intermediate bunker is connected with the discharge port of cyclone separator through first cyclone feeder, the air inlet of intermediate bunker is connected with instrument gas source, the downstream end of airflow mixing machine is provided with intermediate bunker feeder, and the ton bag packing machine is fed.

[0007] The number of intermediate bunkers is two, and they are connected in parallel.

[0008] The air inlet of airflow mixing machine is connected with compressed gas source through compressed gas storage tank, the top of compressed gas storage tank is provided with safety valve, and the bottom is provided with guide valve.

[0009] The upper portion of the side wall of the cyclone separator is provided with an air inlet connected to the instrument gas source.

[0010] The air inlet is connected to the top of the compressed gas storage tank through a pipeline, and a valve is provided on the pipeline.

[0011] The above technical scheme has the following beneficial effects:

[0012] 1. The feeding system of the cellulose ether ton bag packaging machine comprises a cyclone separator, the feeding inlet of the cyclone separator is connected with a cellulose ether source, the exhaust outlet of the cyclone separator is connected with an induced draft fan, the cellulose ether for feeding is introduced into the cyclone separator and physically separated, the cellulose ether particles fall into a hopper, and the small mass impurities are removed from the cyclone separator along with the airflow, so that the quality and stability of the cellulose ether product are improved. The intermediate bin is further provided with a feeding inlet and an air inlet at the top, the air inlet is provided with a filter screen, the feeding inlet is used for continuous feeding and temporary storage in the intermediate bin, the air inlet is used for intermittent air feeding to blow and clean the material tower formed by the continuous feeding, so that the bridging is avoided, in addition, the filter screen is further arranged to avoid the impurities from entering the intermediate bin and ensure the quality of the cellulose ether. The bottom of the intermediate bin is provided with an airflow mixer, and the air is used as power to mix the discharged materials in the intermediate bin and ensure the quality stability of the product. The intermediate bin is located below the cyclone separator, the feeding inlet of the intermediate bin is connected with the discharge outlet of the cyclone separator through a first cyclone feeder, the air inlet of the intermediate bin is connected with an instrument air source, and the downstream end of the airflow mixer is provided with an intermediate bin feeder to feed the ton bag packaging machine. The cellulose ether preliminarily separated and the additives are fully mixed by the airflow mixer, and then the cellulose ether is uniformly fed to the ton bag packaging machine by the intermediate bin feeder, so that the weight stability of the bagged cellulose ether product is ensured.

[0013] 2. The air inlet of the airflow mixer is connected with a compressed gas source through a compressed gas storage tank, a safety valve is arranged at the top of the compressed gas storage tank, and a drain valve is arranged at the bottom. Compressed gas is used as the power source of the airflow mixer, and the airflow mixer is supplied with air from the compressed gas storage tank to ensure stable operation of the airflow mixer. The drain valve is arranged to discharge the condensed water generated by the compressed gas. An air inlet is arranged at the upper portion of the side wall of the cyclone separator and connected with an instrument air source. Usually, the air inlet is connected with the top of the compressed gas storage tank through a pipeline, and a valve is arranged on the pipeline. Compressed gas in the compressed gas tank is used to supply air to the cyclone separator to avoid cellulose ether residues.

[0014] The following further description is made in combination with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The connection diagram of the utility model.

[0016] In the drawings, 1 is a cyclone separator, 11 is an air inlet, 2 is an induced draft fan, 3 is an intermediate bin, 31 is a feeding inlet, 32 is an air inlet, 4 is an airflow mixer, 5 is a first cyclone feeder, 6 is an intermediate bin feeder, 7 is a compressed gas storage tank, 71 is a safety valve, and 72 is a drain valve. DETAILED DESCRIPTION

[0017] Referring to Figure 1 , a specific embodiment of a cellulose ether ton bag packaging machine feed system. The cellulose ether ton bag packaging machine feed system comprises a cyclone separator 1, the feed inlet of the cyclone separator 1 is connected with a cellulose ether source, the exhaust port of the cyclone separator 1 is connected with an induced draft fan 2, in this embodiment, the upper part of the side wall of the cyclone separator 1 is provided with an air inlet 11, which is connected with an instrument air source and is used for intermittent blowing, and the bottom discharge port of the cyclone separator is provided with a first cyclone feeder 5, which is also connected with an instrument air source to meet the operation requirements of the cyclone feeder. It also includes an intermediate bin 3, the top of the intermediate bin 3 is provided with a feed inlet 31 and an air inlet 32, and the air inlet 32 is provided with a filter screen, the bottom of the intermediate bin 3 is provided with an airflow mixer 4, in this embodiment, the number of intermediate bins is two, and they are connected in parallel and can back up each other, the air inlet of the airflow mixer 4 is connected with a compressed gas source through a compressed gas storage tank 7, the top of the compressed gas storage tank 7 is provided with a safety valve 71, and the bottom is provided with a pilot valve 72, specifically, the top of the compressed gas storage tank 7 is also connected with the air inlet 11 of the cyclone separator through a pipeline, and a valve is arranged on the pipeline to realize intermittent blowing of the cyclone separator. The two intermediate bins 3 are located below the cyclone separator 1, the feed inlet 31 of the two intermediate bins 3 is connected with the discharge port of the cyclone separator 1 through the first cyclone feeder 5, and the air inlet of each intermediate bin 3 is connected with an instrument air source. Similarly, the air inlet of the intermediate bin can be connected with the top of the compressed gas storage tank through a pipeline, and a valve is arranged on the pipeline. The downstream end of the airflow mixer 4 is provided with an intermediate bin feeder 6 to supply the ton bag packaging machine.

[0018] The working principle of the utility model is as follows: the induced draft fan is started, the cellulose ether powder enters the cyclone separator, and the cellulose ether particles fall into the hopper after physical separation, and the small mass impurities in the cellulose ether particles fall out of the cyclone separator with the airflow, and the cellulose ether particles in the hopper continuously fall into the intermediate bin through the first cyclone feeder, are temporarily stored, and additives are added. The airflow mixer is powered by compressed air, the material in the intermediate bin is uniformly discharged through the intermediate bin feeder after mixing, and the ton bag packaging machine is supplied with material for packaging.

Claims

1. A feeding system for a cellulose ether ton bag packaging machine, comprising a cyclone separator (1), wherein the inlet of the cyclone separator (1) is connected to a cellulose ether source, and the outlet of the cyclone separator (1) is connected to an induced draft fan (2), characterized in that: It also includes intermediate silos (3), The intermediate silo (3) is provided with a feed inlet (31) and an air inlet (32) at the top, and the air inlet (32) is provided with a filter screen. The intermediate silo (3) is provided with an airflow mixer (4) at the bottom. The intermediate silo (3) is located below the cyclone separator (1). The inlet (31) of the intermediate silo (3) is connected to the outlet of the cyclone separator (1) through the first cyclone feeder (5). The air inlet of the intermediate silo (3) is connected to the instrument air source. The downstream end of the airflow mixer (4) is equipped with an intermediate hopper feeder (6) to supply material to the ton bag packaging machine.

2. The feeding system of the cellulose ether ton bag packaging machine according to claim 1, characterized in that: There are two intermediate silos (3), which are set in parallel.

3. The feeding system of the cellulose ether ton bag packaging machine according to claim 1, characterized in that: The air inlet of the airflow mixer (4) is connected to the compressed gas source via a compressed gas storage tank (7). A safety valve (71) is installed at the top of the compressed gas storage tank (7), and a drain valve (72) is installed at the bottom.

4. The feeding system of the cellulose ether ton bag packaging machine according to claim 3, characterized in that: The cyclone separator (1) has an air inlet (11) on the upper side wall, which is connected to the instrument air source.

5. The feeding system of the cellulose ether ton bag packaging machine according to claim 4, characterized in that: The air inlet (11) is connected to the top of the compressed gas storage tank (7) via a pipeline, which is equipped with a valve.

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