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Technical characteristics of sand blasting room for wind recovery

Author: admin Source: This station Time: 2015-12-30 16:52
The characteristics are as follows:
a. 3A sandblasting room takes a single set of honeycomb floor as the unit and adopts a complete set of honeycomb sand absorption floor technology. Each unit has the functions of sand collection, dust collection and sand blasting. Users can assemble and assemble freely according to the required size.
b. Save foundation investment and dig shallow foundation
Using honeycomb floor manufacturing technology, only a flat floor can be built.
c. Short cycle and fast construction.
The machine can be adjusted in the production plant, and can be put into production only by assembling and assembling in the user's factory, and then building the peripheral structure room.
d. The operation cost is low.
① The traditional mechanical structure has been eliminated, all of which are wind sand collecting. Only the damage resistant pipeline is possible, and there are no other operation accessories and maintenance parts.
② Unit standardized design, less vulnerable parts, good versatility and simple maintenance.
e. Migration and transformation are very convenient.
The modular design, due to its small size, can be disassembled or without foundation
Main structure and function

The whole sandblasting room is composed of sandblasting studio, sandblasting system, abrasive recovery system, air supply and dust removal system, protection system, control system, etc.
one Sand blasting studio
The light steel structure workshop is the main part of the sandblasting chamber. Its size is: length × width × height = 4 × 4 × 4m (inner space), forming a closed sandblasting area. It can collect steel shot sand and dust. It is a professional place for sand blasting.
The steel structure workshop is a skeleton composed of profiled steel structure, and the wall is made of sandwich color steel plate, forming a closed sandblasting space. A rubber plate is hung on the wall to protect the steel sand. A double door is set on the front of the workshop, and the equipment is installed on the side. It is equipped with safety operation door, which is mainly to meet the convenience of operators to enter and exit the equipment room, and it is also a safe passage.
The roof of the plant is flat. High illumination and spotlight are installed.
1. Daylighting and lighting of 1 workshop
Four 200W floodlights are installed on the top of the steel structure workshop to illuminate from the top to the inside. In this way, sandblasting production can be carried out at any time.
1. 2 ventilation and dust removal points
The air inlet of the room is set on the roof, with 4 air inlets in total. The dust outlet is set on the floor of the room.
1. 3 gate
The door adopts manual double opening type and opens outward. The size of the back door opening is: B × H = customer order
Each gate can be reliably sealed.
The inner wall of the gate is made of steel plate, the outer wall is decorated with color steel plate, and the middle part is shaped steel framework.
two Automatic sand collection system
two point one Sand absorbing floor
It is composed of standard sand absorbing floor assembly.
The environmental protection type wind type sand blasting room is a kind of high-tech product. Its main characteristics are that the honeycomb type sand suction floor technology is adopted, the pneumatic conveying principle is adopted, and the sand material is recycled by using the air power, and then the sand is sucked into the sand dust separator through the pipeline for automatic sand and dust separation, and the useful sand material separated automatically falls into the main machine (sandblasting pressure tank) of the sandblasting machine and enters into the recycling use; the separated sand is separated out The broken sand, paint, oxide skin, dust and other useless debris will automatically enter the dust collector for filtering and dust removal.
Because the honeycomb sand absorbing floor adopts pneumatic conveying, it is unnecessary to transport the belt, auger, scraper pulley, chain and bucket elevator in the sand blasting room with traditional machinery, so as to avoid the abrasion of sand and dust on transport machinery, bearing and motor in the process of sand transportation and lifting, and avoid heavy maintenance work. And its installation does not need deep pit (or even no pit), which shortens the construction period and saves the construction cost; while the traditional sandblasting room generally needs to excavate a 2.5-3.5 m deep pit according to the size of sandblasting room.
Because the air inlet of sand material recovery and dust recovery in the wind type sand blasting room are all arranged under the honeycomb sand absorption floor, the air flow and dust are always from top to bottom, and the dust is always suppressed in the lower part of the sand blasting room, Therefore, the dust concentration in the space more than 0.5 meters in the sandblasting room is very low, the visibility is very high, and the working environment is good; however, due to the structural reasons, the dust removal port must be arranged on the top or side of the shot blasting room, and the dust flow direction is from bottom to top or horizontally. Therefore, the dust content in the shot blasting room is always high, the visibility is low and the working environment is bad Bad.
The whole cycle process of the wind sandblasting room is fully pneumatic and automatic, and the equipment fully meets the requirements of environmental protection in the operation process.
The wind power of the wind turbine is used as the driving force of the wind turbine to suck the abrasive materials to the cyclone separator through the return pipe for separation, and finally enter the sandblasting system for recycling. It has the following advantages:
a. The screw and belt conveyor, bucket elevator and underground engineering of sand conveying circulation system in conventional sand blasting room are omitted, and the engineering cost is greatly saved;
b. The recovery rate of abrasives is high, and it is easy to clean the abrasives. It can transport steel sand and other sand materials;
c. Main electrical components are imported products, with stable performance, safe and reliable, long service life and simple maintenance;
d. It has high visibility and air saving room;
e. This machine adopts two-stage dust removal, the first stage adopts cyclone separator, the second stage adopts filter barrel dust removal system, the total dust removal efficiency can reach more than 99.9%;
g. When one of the systems fails, the relevant systems will stop working and the spray gun will stop spraying;
two point two High efficiency sand dust separator
It is composed of standard high efficiency sand dust separator.
Standard unit small drop high efficiency sand dust separator can separate qualified sand from dust and debris. Continuous reuse.
two point three Storage box
It consists of standard storage boxes.
After being sorted by high-efficiency separator, the abrasive lifted by wind power enters into the stripper box for reserve, so as to be added when there is no abrasive in the sand tank of sandblasting machine. It is composed of 3mm steel plate and framework.
two point four platform
It is composed of channel steel, steel plate and guardrail.
two point five Sand valve
Pneumatic sand discharging device.
two point six Sand suction dust collector
Filter cartridge bag filter.
two point seven Sand suction fan
A total of 1 set, 9-26 high pressure centrifugal fan is selected, and the wind pressure is 6000pa. Motor power: 22kw
two point eight Sand suction pipe
The lower part of the system is a welded abrasive channel for receiving sand from the lower part of the concentrator.
three Sand blasting system
The sand blasting system is composed of sand blasting machine, which is mainly composed of sand tank, sand blasting pipe, nozzle and air supply device.
One zb900 high efficiency host is selected. The features of the machine are: large shot storage, safe and reliable, simple maintenance, relatively few vulnerable parts, high sensitivity, normally closed control, safe shutdown in any fault
Diameter: 900mm
Height: 1900mm
Volume: 0.6 cubic meters
Working pressure: 0.4-0.8mpa
Compressed gas flow: 6m3 / min
One set of sandblasting pipe and nozzle, equipped with universal quick interface, easy to replace. The sandblasting pipe is a special wear-resistant pipe. The nozzle is of high-speed type, high-wear-resistant material and good wear-resistant strength.
4. Dust removal system:
Power 5.5kw, air volume: 4000-7000 m3 / h
five Electronic control system
five point one Control cabinet
Schneider components are used in the products of Schneider.
The electric control can realize the function switch between manual and automatic sand adding. When the sand is automatically controlled, the sand adding and exhaust action can be completed automatically according to the set time control program; it can also be controlled manually independently to facilitate the debugging personnel to adjust the equipment.