CN207313745U - A kind of New Polycrystalline ingot furnace waste gas filter - Google Patents

Abstract

The utility model discloses a kind of New Polycrystalline ingot furnace waste gas filter, including mechanical pump and Roots vaccum pump, at the top of mechanical pump, Packed filtering tank is set, the air filtering core for being internally provided with periodic replacement of filtering tank, four pipe joints are provided with the side of filtering tank, four pipe joints include two big pipe joint and two tubule pipeline joints, one of them big pipe joint is connected with No. 1 vacuum valve pipeline in polycrystalline ingot furnace exhaust system, another big pipe joint is connected with the big pumping mouth of pipe of the Roots vaccum pump of polycrystalline ingot furnace exhaust system；One of tubule pipeline joint is connected with No. 3 vacuum valve outlets of polycrystalline ingot furnace exhaust system and middle pumping valve outlet, another tubule pipeline joint is connected with the small pumping mouth of pipe of the mechanical pump of polycrystalline ingot furnace exhaust system；The utility model changes domestic polycrystalline ingot furnace exhaust mode, reduces maintenance, service time, improves production efficiency, saves maintenance cost.

Description

A kind of New Polycrystalline ingot furnace waste gas filter

Technical field

It the utility model is related to a kind of waste gas filter, more particularly to a kind of New Polycrystalline ingot casting furnace exhaust filtering dress Put, belong to solar energy polycrystal ingot furnace exhaust system technical field.

Background technology

In existing polycrystalline cast ingot furnace system, exhaust system is as shown in attached drawing two, the exhaust mode of this existing structure, by Contain the oxide of a large amount of silicon in discharge exhaust gas itself, therefore possess following characteristics：1st, the discharge of exhaust gas will pass through vacuum Pumping takes discharge, and when exhaust gas passes through vacuum pump, pumping fluid can absorb the oxide oil gas containing silicon in exhaust gas, can cause vacuum Pump oil pollutes；2nd, these oxide oil gas for containing silicon, entering inside oil mist separator causes oil mist separator filter core to use Service life is low；3rd, the oxide of silicon is entered inside vacuum pump, can also aggravate the abrasion of vacuum pump internal mechanical part.

The content of the invention

To solve the deficiencies in the prior art, the utility model provides a kind of New Polycrystalline ingot furnace waste gas filter, changes Become domestic polycrystalline ingot furnace exhaust mode, reduce maintenance, service time, improve production efficiency, save maintenance cost.

Technical solution is used by the utility model：

A kind of New Polycrystalline ingot furnace waste gas filter, including mechanical pump and Roots vaccum pump, in the mechanical pump Top sets Packed filtering tank, the air filtering core for being internally provided with periodic replacement of the filtering tank, in the filtering tank Side be provided with four pipe joints, four pipe joints include two big pipe joint and two small pipelines connect Mouthful, one of them big pipe joint is connected with No. 1 vacuum valve pipeline in polycrystalline ingot furnace exhaust system, another big pipeline Interface is connected with the big pumping mouth of pipe of the Roots vaccum pump of polycrystalline ingot furnace exhaust system；One of tubule pipeline joint and polycrystalline No. 3 vacuum valve outlets of ingot furnace exhaust system are connected with middle pumping valve outlet, another tubule pipeline joint is cast with polycrystalline The small pumping mouth of pipe connection of mechanical pump of ingot stove exhaust system, and the big pipeline connected on filtering tank with No. 1 vacuum valve pipeline connects Mouth, the tubule pipeline joint connected with No. 3 vacuum valve outlets and middle pumping valve outlet are arranged on the filtering tank on air filtering core top Side, big pipe joint connect with the Roots vaccum pump big pumping mouth of pipe on filtering tank, with mechanical pump is small is evacuated what the mouth of pipe connected Tubule pipeline joint is arranged on the filtering tank side of air filtering core lower part.

As the further preferred of the utility model, the filtering tank is cylindrical filtering tank, the cylinder filtering The lid for opening or closing cylindrical filtering tank is provided with the top of tank, and the lid passes through sealing ring and cylinder Filtering tank is tightly connected, easy to regularly replace air filtering core.

As the further preferred of the utility model, the diameter of the cylindrical filtering tank is 30cm, and height is 60cm.

As the further preferred of the utility model, four pipe joints that the filtering tank side is set are located at filtering tank Phase the same side, and the center of four pipe joints is located on same vertical line, is connected easy to pipe joint.

As the further preferred of the utility model, the diameter of the tubule pipeline joint is less than the diameter of big pipe joint Half.

The beneficial effects of the utility model are：Filtering tank is set in the pipeline that exhaust gas passes through, in the inside of filtering tank The air filtering core of periodic replacement is set, and the exhaust gas produced in polycrystalline ingot furnace is filtered by the air filtering core in filtering tank, makes pumping Take the exhaust gas of discharge to be purified, avoid pumping fluid and be contaminated, and silicon oxide enter vacuum pump inside cause The abrasion of vacuum pump internal mechanical part, can effectively improve the service life of vacuum pump in polycrystalline cast ingot furnace system, by system Meter, annual maintenance frequency are reduced to 0-1 times by 3-4 times, and maintenance cost every reduces 1000 yuan or so；Pumping fluid is reduced to replace Frequency, is reduced to being changed without, cost of upkeep every reduces 500 yuan or so by that will replace within 6 months pumping fluid 20L/ platforms；Mist of oil Separator filter core was replaced once by 2 years, is reduced to and is changed without, and cost of upkeep every reduces 500 yuan or so；At the same time can be great Maintenance time is saved, improves whole production efficiency.

Brief description of the drawings：

Fig. 1 is the utility model structure diagram；

Fig. 2 is the structure diagram of existing exhaust system；

Main Reference Numerals implication is as follows in figure：

1- mechanical pumps, 2- Roots vaccum pumps, 3- filtering tanks, the big pipe joints of 4-, 5- tubule pipeline joints, 6-1 vacuum valves, 7-3 vacuum valves, 8- lids.

Embodiment：

Specific introduction is done to the utility model with reference to the accompanying drawings and examples.

As shown in Figure 1：The present embodiment is a kind of New Polycrystalline ingot furnace waste gas filter, including mechanical pump 1 and Roots Vacuum pump 2, sets Packed filtering tank 3, in the sky for being internally provided with periodic replacement of filtering tank 3 at the top of mechanical pump 1 Filter element, four pipe joints are provided with the side of filtering tank 3, and four pipe joints include two 4 Hes of big pipe joint Two tubule pipeline joints 5, No. 16 pipeline of vacuum valve in one of them big pipe joint 4 and polycrystalline ingot furnace exhaust system connect Logical, another big pipe joint 4 is evacuated greatly the mouth of pipe with the Roots vaccum pump 2 of polycrystalline ingot furnace exhaust system and connects；Wherein one A tubule pipeline joint 5 is connected with No. 37 exhaust outlets of vacuum valve of polycrystalline ingot furnace exhaust system and middle pumping valve outlet, another A tubule pipeline joint 5 is connected with the small pumping mouth of pipe of the mechanical pump 1 of polycrystalline ingot furnace exhaust system, and true with No. 1 on filtering tank 3 The big pipe joint 4 of empty 6 pipeline of valve connection, the tubule pipeline joint 5 connected with No. 37 exhaust outlets of vacuum valve and middle pumping valve outlet 3 side of filtering tank on air filtering core top is arranged on, the big pipeline that the mouth of pipe connects is evacuated greatly with Roots vaccum pump 2 on filtering tank 3 Interface 4, the tubule pipeline joint 5 connected with the small pumping mouth of pipe of mechanical pump 1 are arranged on 3 side of filtering tank of air filtering core lower part.

Filtering tank 3 in the present embodiment is cylindrical filtering tank, be provided with the top of cylindrical filtering tank for open or The lid 8 of cylindrical filtering tank is closed, and lid 8 is tightly connected by sealing ring and cylindrical filtering tank, easy to regularly replace Air filtering core；Meanwhile the diameter of cylindrical filtering tank is 30cm in the present embodiment, height is 60cm.

In the present embodiment, four pipe joints that 3 side of filtering tank is set are located at phase the same side of filtering tank 3, and four The center of pipe joint is located on same vertical line, is connected easy to pipe joint；And in the present embodiment small pipe joint 5 diameter Less than the half of the diameter of big pipe joint 4.

The present embodiment reapposes a cylinder filtering in the vacuum pump oil mist separator position of original polycrystalline ingot furnace Tank, the diameter of cylindrical filtering tank is 30cm, and height is 60cm, and 3 open top position of filtering tank is provided with sealing ring and lid Son 8, it is ensured that filtering tank 3 is airtight cavity, and the inside of filtering tank 3 sets the air filtering core that can be regularly replaced；In 3 side of filtering tank Portion sets four pipe joints, and four pipe joints include two big pipe joint 4 and two tubule pipeline joints 5, wherein one A big pipe joint 4 is connected with No. 16 pipeline of vacuum valve in polycrystalline ingot furnace exhaust system, another big 4 He of pipe joint The Roots vaccum pump 2 of polycrystalline ingot furnace exhaust system is evacuated greatly mouth of pipe connection；One of tubule pipeline joint 5 and polycrystalline cast ingot No. 37 exhaust outlets of vacuum valve of stove exhaust system are connected with middle pumping valve outlet, another tubule pipeline joint 5 and polycrystalline cast ingot The small pumping mouth of pipe of mechanical pump 1 of stove exhaust system connects, and the exhaust gas produced in polycrystalline ingot furnace passes through the air in filtering tank 3 Filter element filtering, makes the exhaust gas that extraction is discharged be purified, avoids pumping fluid and be contaminated, and the oxide of silicon enters very The internal abrasion for causing vacuum pump internal mechanical part of sky pump.

The utility model sets filtering tank in the pipeline that exhaust gas passes through, and the sky of periodic replacement is set in the inside of filtering tank Filter element, the exhaust gas produced in polycrystalline ingot furnace are filtered by the air filtering core in filtering tank, the exhaust gas for enabling extraction to discharge Purification, avoid pumping fluid and be contaminated, and silicon oxide enter vacuum pump inside cause vacuum pump internal mechanical portion The abrasion of part, can effectively improve the service life of vacuum pump in polycrystalline cast ingot furnace system, by statistics, annual maintenance frequency by It is reduced to 0-1 times for 3-4 times, maintenance cost every reduces 1000 yuan or so；Pumping fluid replacement frequency is reduced, will by 6 months Replace pumping fluid 20L/ platforms to reduce to being changed without, cost of upkeep every reduces 500 yuan or so；Oil mist separator filter core was by 2 years Replace once, be reduced to and be changed without, cost of upkeep every reduces 500 yuan or so；It can greatly save maintenance time, improve at the same time Whole production efficiency.

The above is only the preferred embodiment of the utility model patent, it is noted that for the general of the art For logical technical staff, on the premise of the utility model patent principle is not departed from, some improvements and modifications can also be made, this A little improvements and modifications also should be regarded as the protection domain of the utility model patent.

Claims (5)

1. a kind of New Polycrystalline ingot furnace waste gas filter, including mechanical pump and Roots vaccum pump, it is characterised in that：Described The top of mechanical pump sets Packed filtering tank, the air filtering core for being internally provided with periodic replacement of the filtering tank, in institute The side for stating filtering tank is provided with four pipe joints, and four pipe joints include two big pipe joint and two small Pipe joint, one of them big pipe joint are connected with No. 1 vacuum valve pipeline in polycrystalline ingot furnace exhaust system, another Big pipe joint is connected with the big pumping mouth of pipe of the Roots vaccum pump of polycrystalline ingot furnace exhaust system；One of tubule pipeline joint Connect with No. 3 vacuum valve outlets of polycrystalline ingot furnace exhaust system and middle pumping valve outlet, another tubule pipeline joint and The small pumping mouth of pipe connection of the mechanical pump of polycrystalline ingot furnace exhaust system, and connected on filtering tank with No. 1 vacuum valve pipeline big Pipe joint, the tubule pipeline joint connected with No. 3 vacuum valve outlets and middle pumping valve outlet are arranged on air filtering core top Filtering tank side, the big pipe joint and the small pumping mouth of pipe of mechanical pump connect with the Roots vaccum pump big pumping mouth of pipe on filtering tank The tubule pipeline joint of connection is arranged on the filtering tank side of air filtering core lower part.

A kind of 2. New Polycrystalline ingot furnace waste gas filter according to claim 1, it is characterised in that the filtering Tank is cylindrical filtering tank, and the lid for opening or closing cylindrical filtering tank is provided with the top of the cylinder filtering tank Son, and the lid is tightly connected by sealing ring and cylindrical filtering tank.

A kind of 3. New Polycrystalline ingot furnace waste gas filter according to claim 2, it is characterised in that the cylinder The diameter of shape filtering tank is 30cm, and height is 60cm.

A kind of 4. New Polycrystalline ingot furnace waste gas filter according to claim 1, it is characterised in that the filtering tank Four pipe joints that side is set are located at phase the same side of filtering tank, and the center of four pipe joints is located at same vertical line On.

A kind of 5. New Polycrystalline ingot furnace waste gas filter according to claim 1, it is characterised in that the tubule The diameter of pipeline joint is less than the half of the diameter of big pipe joint.