Environment-friendly filtering device for preparing calcium oxide by calcining limestone

Abstract

The utility model discloses an environment-friendly filtering device for preparing calcium oxide through limestone calcination, and relates to the technical field of calcium oxide production, fixing plates are installed on the front surface and the rear surface of a filtering box, and telescopic air cylinders are installed in the middles of the upper surfaces of the fixing plates; the telescopic end of the telescopic air cylinder is connected with a sealing plate above the filtering box, a first filtering net, a desulfurization layer and a second filtering net are further arranged in the filtering box from left to right, a recycling box is further installed on the lower surface of the filtering box, and heat conduction rods are further symmetrically arranged in the filtering box; the lower end of the heat conduction rod penetrates through the lower surface of the recycling box and extends into the recycling box, and connecting rods are symmetrically arranged outside the heat conduction rod and inside the recycling box. And through the arrangement of a recycling box, a water inlet pipe, a water outlet pipe, a heat conduction rod and a connecting rod, cold water in the recycling box can be heated and recycled, energy consumption is effectively reduced, and practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to lime production technical field especially relates to a kind of limestone calcination preparation calcium oxide's environmental protection filter device. BACKGROUND

[0002] Calcium oxide is commonly known as quicklime, it is a kind of inorganic compound, white or grayish block or granule is combined by calcium element and oxygen element through ionic bond, calcium oxide is prepared by calcining limestone, and limestone will produce a large amount of high-temperature smoke dust during calcination, so that high-temperature smoke dust will pollute the atmosphere if it spreads into the air, so the smoke dust needs to be filtered.

[0003] Chinese patent discloses a kind of limestone calcination production calcium oxide's dustproof environmental protection filter device (grant announcement No.CN217163611U), the patent technology can fix calcining roller by the mutual cooperation between fixed base, first fixed ring, second fixed ring and bolt, prevent calcining roller from producing sway when calcining;In addition, by the mutual cooperation between protective cover, first filter screen, dust outlet pipe, second filter screen, desulfurization layer and connecting piece, the dust generated in limestone calcination can be filtered, to avoid harmful gas into air.

[0004] However, the existing air produced by limestone calcination preparation calcium oxide adopts the filtering mode of first filter screen and second filter screen for filtering treatment, and since there is heat in the air filtered, the heat of the air directly discharged will reduce energy consumption, such as the above-mentioned comparative document, which directly uses filter screen, in actual application, when calcining, the air produced will exist hot air, if the air is directly filtered and discharged, it will lead to heat loss and increase energy consumption.Therefore, the person skilled in the art provides a kind of limestone calcination preparation calcium oxide's environmental protection filter device to solve the problems raised in the above background art. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of limestone calcination preparation calcium oxide's environmental protection filter device, to solve the problems raised in the above background art.

[0006] The utility model discloses an environmental protection filter device of limestone calcination preparation calcium oxide, including: calcination cylinder, one side symmetry of calcination cylinder is provided with exhaust pipe, one end communication of exhaust pipe has filter box, the one side of filter box is provided with the air pipe, and the front surface of filter box and rear surface all are installed with fixed plate, and the upper surface middle position of fixed plate installs telescopic cylinder, and the telescopic end of telescopic cylinder is connected with sealing plate above filter box, and the inside of filter box still sets up first filter screen, desulfurization layer and second filter screen respectively from left to right, and the lower surface of filter box still installs recovery tank, and the inside of filter box still is provided with heat conduction rod symmetry, and the lower extreme of heat conduction rod penetrates the lower surface of recovery tank and extends to the inside of recovery tank, and the outside of heat conduction rod is provided with connecting rod symmetry in the inside of recovery tank.

[0007] As a further technical scheme of the utility model, the side of the recovery tank is provided with a water inlet pipe below the air outlet pipe, and the front surface of the recovery tank is provided with a water outlet pipe, the upper surfaces of the water inlet pipe and the water outlet pipe are provided with valves.

[0008] As a further technical scheme of the utility model, the recovery tank is provided with at least three groups of symmetry between the first filter screen and the desulfurization layer and between the desulfurization layer and the second filter screen, and the connecting rods are provided with three groups of symmetry perpendicularly to the heat conduction rods outside the heat conduction rods.

[0009] As a further technical scheme of the utility model, the lower surface of the sealing plate is provided with positioning pins, and the upper surface of the filter box is provided with positioning holes that are engaged with the positioning pins.

[0010] As a further technical scheme of the utility model, the upper surface of the filter box is provided with a sealing gasket, the upper surface of the sealing gasket is in contact with the lower surface of the sealing plate, and the sealing gasket is made of rubber.

[0011] As a further technical scheme of the utility model, the exhaust pipe is provided with four on one side of the calcination cylinder, and the first filter screen and the second filter screen are of the same size.

[0012] The utility model provides a kind of environmental protection filter device of limestone calcination preparation calcium oxide, and compared with prior art has following beneficial effects:

[0013] 1, the environmental protection filter device of limestone calcination preparation calcium oxide of the design, by the setting of recovery tank, water inlet pipe, water outlet pipe, heat conduction rod and connecting rod, so when the gas generated in preparation calcium oxide is filtered, heat can be transferred to the inside of recovery tank by heat conduction rod, and the purpose of efficient conduction can be achieved by connecting rod, so that the cold water in the recovery tank is heated and recovered, effectively saving energy consumption, and good practicability.

[0014] 2、The environmental protection filter device for preparing calcium oxide by calcining limestone, through the setting of the fixed plate, the telescopic air cylinder, the sealing plate and the sealing gasket, the sealing plate is sealed downward to the filter box when the telescopic air cylinder works, and the sealing gasket can improve the sealing property, and the telescopic air cylinder can also open the sealing plate, so that the first filter screen, the second filter screen and the desulfurization layer in the filter box can be cleaned and replaced, the structure is simple, and the practicality is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of an environmental protection filter device for preparing calcium oxide by calcining limestone;

[0016] Figure 2 It is a structural schematic view of a sealing plate in an environmental protection filter device for preparing calcium oxide by calcining limestone;

[0017] Figure 3 It is an internal structure schematic view of a recovery box in an environmental protection filter device for preparing calcium oxide by calcining limestone.

[0018] In the figure: 1, calcination cylinder;11, exhaust pipe;2, filter box;21, air outlet pipe;22, sealing plate;23, positioning hole;24, sealing gasket;3, recovery box;31, water inlet pipe;32, water outlet pipe;33, heat conducting rod;331, connecting rod;4, fixed plate;41, telescopic air cylinder. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-3The utility model provides a kind of limestone calcination preparation calcium oxide's environmental protection filter device technical scheme: including: calcination cylinder 1, one side of calcination cylinder 1 is symmetrically provided with exhaust pipe 11, one end of exhaust pipe 11 is communicated with filter box 2, one side of filter box 2 is provided with air outlet pipe 21, and the front surface and rear surface of filter box 2 are both installed with fixed plate 4, the upper surface of fixed plate 4 is installed with telescopic cylinder 41 in middle position, the telescopic end of telescopic cylinder 41 is connected with sealing plate 22 above filter box 2, the inside of filter box 2 is also provided with first filter screen, desulfurization layer and second filter screen from left to right respectively, the lower surface of filter box 2 is also installed with recovery tank 3, and the inside of filter box 2 is also symmetrically provided with heat conduction rod 33, the lower end of heat conduction rod 33 extends to the inside of recovery tank 3 by penetrating the lower surface of recovery tank 3, and the outside of heat conduction rod 33 is symmetrically provided with connecting rod 331 in the inside of recovery tank 3, the setting can realize the lifting of sealing plate 22 using telescopic cylinder 41, so it is convenient to seal filter box 2 or clean the first filter screen, desulfurization layer and second filter screen in the inside of filter box 2, it is simple in structure, and practical, and heat recovery treatment can be realized to filtered air by recovery tank 3, and energy consumption is effectively reduced.

[0021] As Figure 1 shown, one side of recovery tank 3 is provided with water inlet pipe 31 below air outlet pipe 21, and the front surface of recovery tank 3 is provided with water outlet pipe 32, the upper surface of water inlet pipe 31 and water outlet pipe 32 is provided with valve, the setting water inlet pipe 31 can pass external cold water into the inside of recovery tank 3, and hot water can be discharged by water outlet pipe 32.

[0022] As Figure 3 shown, recovery tank 3 is symmetrically provided with three groups between first filter screen and desulfurization layer and between desulfurization layer and second filter screen, and connecting rod 331 is provided with three groups perpendicularly with heat conduction rod 33 outside heat conduction rod 33, the setting utilizes heat conduction rod 33 and connecting rod 331 outside it, so heat in air can be conducted to the inside of recovery tank 3 to heat cold water in it.

[0023] As Figure 2 shown, the lower surface of sealing plate 22 is symmetrically provided with positioning pin, the upper surface of filter box 2 is provided with positioning hole 23 that is mutually engaged with positioning pin, the setting utilizes positioning pin to be embedded in the inside of positioning hole 23 to realize the positioning installation of sealing plate 22.

[0024] As Figure 2 shown, the upper surface of filter box 2 is provided with sealing gasket 24, the upper surface of sealing gasket 24 is in contact with the lower surface of sealing plate 22, and sealing gasket 24 is rubber material, the setting utilizes sealing gasket 24 to improve the sealing of sealing plate 22 and filter box 2, avoid air leakage.

[0025] As Figure 2 The four exhaust pipes 11 are symmetrically arranged on one side of the calcining cylinder 1, and the first filter screen and the second filter screen are of the same size, so that the air in the calcining cylinder 1 can be efficiently introduced into the filter box 2 for filtration.

[0026] The working principle of the utility model is as follows: when the utility model limestone calcination preparation calcium oxide environmental protection filter device is used, the air in the calcining cylinder 1 enters the inside of the filter box 2 through the exhaust pipe 11, and after entering, the air can be filtered and desulfurized by the second filter screen, the desulfurization layer and the first filter screen in turn, and the heat in the air can be conducted through the heat conduction rod 33 during the filtration process, and the heat can be efficiently transferred to the cold water in the recovery box 3 through the connecting rod 331, so that the cold water can be efficiently heated, the energy consumption is reduced, and the first filter screen, the second filter screen and the desulfurization layer in the filter box 2 can be cleaned and replaced by starting the telescopic cylinder 41 on the upper surface of the fixed plate 4 after the filtration process, so that the structure is simple and practical.

[0027] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the art, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the art without special description and limitation.

Claims

1. An environmentally friendly filtering device for the production of calcium oxide by calcination of limestone, characterized in that, Include: The calcination cylinder (1) is symmetrically provided with an exhaust pipe (11) on one side, one end of the exhaust pipe (11) is communicated with a filter box (2), one side of the filter box (2) is provided with an air outlet pipe (21), and the front surface and the rear surface of the filter box (2) are both installed with a fixed plate (4), the upper surface of the fixed plate (4) is installed with a telescopic cylinder (41) at the middle position, the telescopic end of the telescopic cylinder (41) is connected with a sealing plate (22) above the filter box (2), the inside of the filter box (2) is also provided with a first filter screen, a desulfurization layer and a second filter screen from left to right, the lower surface of the filter box (2) is also installed with a recovery box (3), and the inside of the filter box (2) is also symmetrically provided with a heat conducting rod (33), the lower end of the heat conducting rod (33) extends to the inside of the recovery box (3) through the lower surface of the recovery box (3), and the outside of the heat conducting rod (33) is symmetrically provided with a connecting rod (331) in the inside of the recovery box (3).

2. The environmentally friendly filtering device for preparing calcium oxide by calcining limestone according to claim 1, characterized in that, The side of the recovery box (3) is provided with a water inlet pipe (31) below the air outlet pipe (21), and the front surface of the recovery box (3) is provided with a water outlet pipe (32), the upper surfaces of the water inlet pipe (31) and the water outlet pipe (32) are both provided with valves.

3. The environmentally friendly filtering device for preparing calcium oxide by calcining limestone according to claim 1, characterized in that, The recovery box (3) is symmetrically provided with at least three groups between the first filter screen and the desulfurization layer and between the desulfurization layer and the second filter screen, and the connecting rod (331) is provided with three groups perpendicularly on the outside of the heat conducting rod (33).

4. The environmentally friendly filtering device for preparing calcium oxide by calcining limestone according to claim 1, characterized in that, The lower surface of the sealing plate (22) is symmetrically provided with a positioning pin, and the upper surface of the filter box (2) is provided with a positioning hole (23) matched with the positioning pin.

5. The environmentally friendly filtering device for preparing calcium oxide by calcining limestone according to claim 1, characterized in that, The upper surface of the filter box (2) is provided with a sealing gasket (24), the upper surface of the sealing gasket (24) is in contact with the lower surface of the sealing plate (22), and the sealing gasket (24) is made of rubber.

6. The environmentally friendly filtering device for preparing calcium oxide by calcining limestone according to claim 1, characterized in that, The exhaust pipe (11) is symmetrically provided with four on one side of the calcination cylinder (1), and the first filter screen and the second filter screen are the same size.

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