CN216716954U - Remove vertical pearlite expansion furnace - Google Patents

Abstract

The utility model relates to the technical field of material conveying, in particular to a movable vertical perlite expansion furnace which comprises a frame body, an inner cylinder, an outer cylinder, a burner and an induced draft fan, wherein the outer cylinder is fixedly arranged on the frame body, the inner cylinder is fixedly arranged in the outer cylinder, the bottom of the inner cylinder is provided with an inner cylinder combustion port, the middle parts of the inner cylinder and the outer cylinder are provided with feed ports which correspond to each other and are communicated, the burner is fixedly arranged at the bottom in the outer cylinder, a burner of the burner corresponds to the inner cylinder combustion port, the top of the inner cylinder is provided with a discharge port which is connected with a feed delivery pipe, and an induced draft port of the induced draft fan is communicated with the feed pipe. The device provided by the utility model has a simple structure, is convenient to move, and ensures the thermal conductivity of the filled expanded perlite due to the field closed expansion operation of the expanded perlite.

Description

Remove vertical pearlite expansion furnace

Technical Field

The utility model relates to the technical field of material conveying, in particular to a movable vertical perlite expansion furnace.

Background

Before a large liquefied natural gas storage tank, a low-temperature liquid storage tank, a cold box of an air separation device and the like are put into use, expanded perlite needs to be filled in an inner interlayer of the large liquefied natural gas storage tank or a gap of the cold box of the air separation device for heat insulation treatment. Because the requirements on the technical indexes of the filled expanded perlite are strict, the performance index of the material can be achieved only by adopting a field expansion mode. The quantity of expanded perlite used by each set of equipment is relatively large, the general device is also used for carrying out high-speed cultivation over 8000m, and the large-scale device is used for carrying out high-speed cultivation over 10000 m. After the common expanded perlite is transported to the site after being expanded by an expansion manufacturer, the common expanded perlite can not meet the use requirement due to strong water absorption of the material. In addition, the expanded perlite has large volume, large workload of transportation, loading and unloading, low efficiency and influence on the quality of the air environment due to the floating of dust generated in the filling process; the direct contact of the expanded perlite with air during filling causes the expanded perlite to absorb moisture in the air, thereby causing a reduction in thermal conductivity and resulting in thermal insulation failure of the material.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a movable vertical perlite expansion furnace which has a simple structure, is convenient to move, enables the expanded perlite to be subjected to closed expansion operation on site and ensures the thermal conductivity of the filled expanded perlite.

The utility model is realized by the following technical scheme:

the utility model provides a remove vertical pearlite expansion furnace, its includes support body, inner tube, urceolus, combustor and draught fan, urceolus fixed mounting is on the support body, and inner tube fixed mounting is equipped with the inner tube burner in the urceolus and inner tube bottom, the dog-house of mutual correspondence and intercommunication is seted up at inner tube and urceolus middle part, combustor fixed mounting is bottom in the urceolus, and the nozzle of combustor corresponds with the inner tube burner, the inner tube top is equipped with the discharge gate and is connected with the conveying pipeline, the induced air mouth and the conveying pipeline intercommunication of draught fan.

Furthermore, the inner wall of the outer barrel is coated with a heat-insulating layer, and a gap is reserved between the heat-insulating layer and the outer wall of the inner barrel.

Optimally, the outer wall of the inner cylinder and the inner wall of the outer cylinder are fixed through a support.

Further, the combustor is provided with a combustion fan interface and an oil path interface, the combustion fan interface is communicated with an air supply outlet of the combustion fan through an air supply pipeline, the oil path interface is communicated with an oil supply pipeline, the oil supply pipeline is provided with an electromagnetic valve, and the air supply pipeline is provided with an air supply valve.

Further, a temperature sensor is arranged at the top of the inner cylinder.

Optimally, the bottom of the outer barrel is closed, and an access door is arranged on the side wall of the outer barrel.

Preferably, the material conveying pipe is a high-temperature-resistant hose.

The utility model has the advantages of

The utility model provides a movable vertical perlite expansion furnace which has the following advantages: the structure is simple, and the movement is convenient; the on-site closed expansion operation of the expanded perlite can be realized, so that the thermal conductivity of the expanded perlite is ensured, the adiabatic failure of the material is prevented, and the adiabatic problem of the existing large liquefied natural gas storage tank, the low-temperature liquid storage tank, the air separation device and other devices before production is solved.

Drawings

FIG. 1 is a schematic front view of the present invention;

in the figure, 1, a frame body, 2, an inner cylinder, 3, an outer cylinder, 4, an insulating layer, 5, a feeding port, 6, an inner cylinder combustion port, 7, a combustor, 8, a combustion fan connector, 9, an air supply valve, 10, an air supply pipeline, 11, a combustion fan, 12, an electromagnetic valve, 13, an oil way connector, 14, a burner, 15, a discharge port, 16, a material conveying pipe, 17, an oil supply pipeline and 18, an access door are arranged.

Detailed Description

The utility model provides a remove vertical pearlite expansion furnace, its includes support body 1, inner tube 2, urceolus 3, combustor 7 and draught fan (not shown), urceolus fixed mounting is on the support body, and inner tube fixed mounting is in the urceolus and the inner tube bottom is equipped with inner tube burner 6, the dog-house 5 of mutual correspondence and intercommunication is seted up at inner tube and urceolus middle part, and combustor fixed mounting is bottom in the urceolus, and 14 of combustor correspond with the inner tube burner, and the inner tube top is equipped with discharge gate 15 and is connected with conveying pipeline 16, the induced air mouth and the conveying pipeline intercommunication of draught fan.

When devices such as a large liquefied natural gas storage tank, a cryogenic liquid storage tank and an air separation device need to be filled with expanded perlite, the equipment is arranged beside the devices such as the large liquefied natural gas storage tank, the cryogenic liquid storage tank and the air separation device, and a discharge port of the equipment is communicated with the large liquefied natural gas storage tank, the cryogenic liquid storage tank and the air separation device through a closed conveying device. The perlite raw materials are transported to the site and are put into an inner cylinder of the movable vertical perlite expansion furnace at a feeding port through a feeder, the perlite raw materials are sprayed upwards from the bottom of the inner cylinder through a burner for combustion, the perlite raw materials stay in flame for 1-3 seconds by utilizing the time difference between the falling process of the perlite raw materials and the induced air in the furnace body, so that the perlite is fully expanded, the temperature of the upper part of the inner cylinder is reduced after the expanded perlite is separated from a high-temperature area, the air flow in the furnace cylinder is accelerated due to the action of a draught fan, and the expanded perlite and the high-temperature air flow are discharged out of the inner cylinder along with the air flow and are conveyed out through a conveying pipe. The conveyed expanded perlite is directly treated and then sent into large liquefied natural gas storage tanks, low-temperature liquid storage tanks, air separation devices and other devices.

Because the whole process of the equipment adopts closed operation, a large amount of manual operation and packaging, storage and transportation processes are saved, and the field environment is optimized. Links such as bagging and warehousing, transportation, filling construction and the like are omitted, and the expanded perlite can be directly expanded on site and filled on site. The device has the advantages that the device prevents the expanded perlite from absorbing water in the air due to the direct contact of the expanded perlite and the air in the filling process, so that the heat conductivity is reduced, the heat insulation failure of the material is caused, and the heat insulation problem of the existing large liquefied natural gas storage tank, the low-temperature liquid storage tank, the air separation device and other devices before production is solved.

And because this equipment only sets up support body, inner tube, urceolus and combustor, can adopt the quick-connect joint to connect between combustor and the combustion blower and the oil feed pipeline, also can adopt the quick-connect joint to connect between discharge gate and the conveying pipeline, perhaps the conveying pipeline adopts high temperature resistant hose, and equipment structure is simple, connects the dismantlement convenience, is convenient for the removal transport of equipment, realizes the on-the-spot inflation of expanded perlite, the on-the-spot filling operation.

And because the burner is fixedly arranged at the inner bottom of the outer cylinder, the burner of the burner corresponds to the burner port of the inner cylinder, the burner can be used for flaming combustion from the bottom of the inner cylinder upwards, and the feed port is arranged at a proper position in the furnace cylinder at the upper part of the flame, the heat efficiency of the burner can be fully utilized, and the perlite is fully expanded.

Further, the outer cylinder inner wall is coated with a heat preservation layer 4, a gap is reserved between the heat preservation layer and the inner cylinder outer wall, the heat preservation layer can be an aluminum silicate cotton heat preservation layer, and the heat preservation effect of the perlite expansion furnace is guaranteed.

Optimally, the outer wall of the inner cylinder and the inner wall of the outer cylinder are fixed through a bracket (not shown), so that the reliable connection between the inner cylinder and the outer cylinder is ensured, and the inner cylinder is relatively fixed.

Further, the combustor is provided with a combustion fan interface 8 and an oil path interface 13, the combustion fan interface is communicated with an air supply outlet of the combustion fan 11 through an air supply pipeline 10, the oil path interface is communicated with an oil supply pipeline 17, an electromagnetic valve 12 is installed on the oil supply pipeline, a pressure regulator, an overflow valve, a flow monitor and an oil pressure sensor can be further arranged on the oil supply pipeline, and all the components are connected in series and control the pressure and the flow of the oil supply pipeline and the on-off of an oil path through a control unit in an electric cabinet. The air supply pipeline is provided with an air supply valve 9 which can control the combustion air quantity and switch.

Further, a temperature sensor (not shown) is installed at the top of the inner cylinder, the temperature sensor can monitor the temperature in the inner cylinder at any time and transmit data to the controller, the controller receives information of the temperature sensor and compares the information with a preset value, and if the temperature is not within the range of the preset value, the controller controls the opening degree of an electromagnetic valve and an air supply valve of the oil supply pipeline, so that the temperature in the furnace is adjusted.

Optimally, the bottom of the outer barrel is closed, and the side wall of the outer barrel is provided with the access door 18, so that the maintenance and the operation are convenient.

Optimally, the conveying pipe is a high-temperature-resistant hose, so that the conveying pipe is light in weight and convenient to carry and move.

Compared with the prior art, the movable vertical perlite expansion furnace provided by the scheme realizes the transition from a fixed perlite expansion factory to a movable factory, changes the factory production mode into a field production mode, reduces the processes of perlite packaging, storage and transportation, can realize integrated transportation by matching with a field dust removal and transportation device, and has the transportation distance of 150m and the transportation height of 80 m; the whole production process realizes the closed operation, reduces the diffusion of dust, avoids the influence of moisture in the air on expanded rare rock, avoids the heat insulation failure of expanded perlite, and solves the heat insulation problem of the existing large liquefied natural gas storage tank, the low-temperature liquid storage tank, the air separation device and other devices before production.

In conclusion, the movable vertical perlite expansion furnace provided by the utility model is simple in structure and convenient to move, and the field closed expansion operation of the expanded perlite ensures the heat conductivity of the filled expanded perlite.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a remove vertical pearlite expansion furnace which characterized in that: including support body, inner tube, urceolus, combustor and draught fan, urceolus fixed mounting is on the support body, and inner tube fixed mounting is equipped with the inner tube burner port in the urceolus and inner tube bottom, the dog-house of mutual correspondence and intercommunication is seted up at inner tube and urceolus middle part, combustor fixed mounting is in the urceolus bottom, and the nozzle of combustor corresponds with the inner tube burner port, the inner tube top is equipped with the discharge gate and is connected with the conveying pipeline, the induced air mouth and the conveying pipeline intercommunication of draught fan.

2. The mobile vertical perlite expansion furnace as recited in claim 1, wherein the inner wall of the outer cylinder is covered with an insulating layer, and a gap is left between the insulating layer and the outer wall of the inner cylinder.

3. The vertical perlite expansion furnace as recited in claim 1, wherein the outer wall of the inner barrel is fixed to the inner wall of the outer barrel by a bracket.

4. The vertical perlite expansion furnace as recited in claim 1, wherein the burner has a combustion fan port and an oil path port, the combustion fan port is connected to the combustion fan outlet port through an air supply pipe, the oil path port is connected to an oil supply pipe, the oil supply pipe is provided with a solenoid valve, and the air supply pipe is provided with an air supply valve.

5. The vertical perlite expansion furnace as recited in claim 4, wherein a temperature sensor is installed on the top of the inner barrel.

6. The mobile vertical perlite expansion furnace as recited in claim 1, wherein the outer barrel is closed at the bottom and has an access door mounted on the side wall.

7. The vertical perlite expansion furnace as recited in claim 1, wherein the feed pipe is a refractory hose.

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