CN210206220U - Improved bag type dust collector device for vertical grinding production of expanding agent - Google Patents

Abstract

The utility model belongs to the technical field of the inflation agent is ground production immediately, specifically disclose an inflation agent is ground production immediately and is used bag collector improvement device, including bag collector, water pump and coolant tank, be equipped with the air intake on bag collector's the casing lower part lateral wall, air intake and hot-blast main intercommunication, in the casing with air intake position relative department has set firmly the deep bead, be equipped with water channel in the deep bead, water channel with coolant tank is linked together through conduit, the water pump is used for passing through the conduit pump sending with the cold water in the coolant tank extremely water channel. The utility model discloses a circulating water flows through deep bead and cooling tube to take away the heat of hot-blast and material, can show the temperature that reduces hot-blast and material, improve the stability of material, thereby reach the effect of the equipment of protection bag dust collector and transportation material, prolong the life of bag dust collector and transportation material.

Description

Improved bag type dust collector device for vertical grinding production of expanding agent

Technical Field

The utility model relates to an inflation agent grinds production technical field immediately, concretely relates to inflation agent grinds production immediately and uses bag-type dust collector improvement device.

Background

The expanding agent is a main additive in the process of compensating concrete hardening, and is widely applied to self-waterproofing of underground concrete structures, seamless construction of ultra-long structures and crack control of mass concrete due to excellent performance, so that the yield and the use amount of the expanding agent in China also tend to rise year by year. In the using process of the expanding agent, as certain requirements on the granularity of a product are met, powder particles in a mill need to be screened by a powder concentrator, the selected powder particles are taken out of the powder concentrator by airflow, and then are collected by a dust collector and put into a warehouse; the specific process is as follows: the clinker to be ground is fed into the center of a rotary grinding disc by an air locking feeding device, enters a grinding roller table under the action of centrifugal force, is crushed and ground under the action of the pressure of a grinding roller, and is blown by high-speed hot air at an air ring to be fed into a powder selecting machine positioned at the upper part of a vertical mill, and the ground clinker is divided into coarse powder and fine powder by the powder selecting machine. The fine powder is brought to a dust collector by hot airflow, the fine powder is sent to a finished product warehouse after being filtered and collected, the coarse powder falls into a grinding disc for grinding again, and the grinding operation is completed by repeating the steps.

The existing vertical grinding device for the expanding agent, for example, chinese patent No. CN201120152366.2 discloses a production device for a concrete expanding agent, which is characterized in that raw materials such as fly ash are sent into a vertical grinding machine to be mixed and ground, then the raw materials sequentially pass through an air chute, a bucket elevator, a vibrating screen, a material collecting bin and a spiral gate, and finally the produced concrete expanding agent is packaged by a packaging machine.

Disclosure of Invention

To the deficiency of the prior art, the utility model aims to provide an expanding agent grinds production immediately and uses bag collector improvement device.

In order to achieve the above object, the present invention is specifically realized by the following techniques:

the improved bag type dust collector device for the vertical mill production of the expanding agent comprises a bag type dust collector, a water pump and a cooling water tank, wherein an air inlet is formed in the side wall of the lower portion of a shell of the bag type dust collector, the air inlet is communicated with a hot air pipeline, a wind shield is fixedly arranged at the position, opposite to the air inlet, in the shell, a water channel is arranged in the wind shield, the water channel is communicated with the cooling water tank through a water pipeline, and the water pump is used for pumping cold water in the cooling water tank to the water channel through the water pipeline.

Adopt above-mentioned technical scheme: hot air and materials blown to the bag type dust collector through the hot air pipeline firstly impact the wind shield, and in the contact process of the hot air and the materials with the outer side wall of the wind shield, cold water flows through a water channel in the wind shield and takes away heat in the hot air and the materials, so that the temperature of the materials is reduced, the stability of the materials is improved, the damage of the high-temperature hot air and the materials to parts of the bag type dust collector is avoided, and the service life of the bag type dust collector is prolonged.

Furthermore, the water channel is a snake-shaped water channel to increase the flowing time of water in the wind shield, so that heat exchange is fully performed.

Furthermore, a cooling pipe is arranged in the hot air pipeline, and two ports of the cooling pipe extend out of the hot air pipeline and are respectively connected with the water channel and the cooling water tank.

Furthermore, the cooling pipe is a spiral pipe, and the outer pipe wall of the spiral pipe is in contact with the inner side wall of the hot air pipeline, so that water flow covers the inner surface of the hot air pipeline, the heat absorption area is large, and the heat absorption efficiency is high.

Adopt above-mentioned technical scheme: the hot air and the materials blown to the bag type dust collector through the hot air pipeline firstly pass through the spiral pipe to be cooled for the first time, the hot air and the materials subjected to primary cooling continue to advance to impact the wind shield to be cooled for the second time, and circulating water absorbs the heat of the hot air and the materials in the wind shield and the spiral pipe, so that the temperature of the hot air and the materials can be obviously reduced, and the effects of protecting the bag type dust collector and equipment for transporting the materials are achieved.

Furthermore, the cooling pipe and/or the wind shield are made of heat conducting materials, heat can be effectively conducted quickly, circulating water can take away heat carried by hot air and materials conveniently, and heat absorption efficiency of cold water is improved.

Furthermore, the water flow direction of the cooling pipe is opposite to the advancing direction of hot air in the hot air pipeline.

The working process of the device is as follows: cold water enters the wind shield in the bag type dust collector from the cooling water tank through the water pump, enters the cooling pipe through the water outlet of the wind shield water channel, enters the cooling water tank through the water outlet of the cooling pipe, is cooled and precipitated, and the purified water returns to the wind shield through the water pump again to complete a cycle. The circulating water absorbs the heat of hot air and materials in the wind shield and the spiral pipe, and reduces the temperature of the hot air and the materials, thereby achieving the effect of protecting the bag type dust collector and equipment for transporting the materials.

Compared with the prior art, the utility model discloses an useful part lies in:

1. through set up water channel and set up the cooling tube in hot-blast pipeline in the deep bead, carry out the secondary cooling, the circulating water flows through deep bead and cooling tube to take away the heat of hot-blast and material, can show the temperature that reduces hot-blast and material, improve the stability of material, thereby reach the effect of protection bag type dust collector and the equipment of transporting the material, the life of extension bag type dust collector and transportation material.

2. The spiral pipe and the snakelike water channel obviously increase the flow time of cold water, are convenient for abundant heat transfer, are favorable to guaranteeing the efficiency of cooling and the effect of cooling.

3. The circulating cooling system enables water to be recycled, and resources are saved.

Drawings

FIG. 1 is a schematic structural view of a bag-type dust collector improved apparatus for vertical mill production of an expanding agent in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a wind deflector according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of a bag-type dust collector improved apparatus for vertical mill production of an expanding agent in embodiment 2 of the present invention;

fig. 4 is a schematic structural view of a cooling pipe according to embodiment 2 of the present invention;

in the figure, 1, a bag type dust collector; 11. a housing; 12. an air inlet; 2. a water pump; 3. a cooling water tank; 4. a wind deflector; 41. a baffle plate; 42. a water passage; 5. a hot air duct; 6. a cooling tube; 7. a water delivery pipeline.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

The improved bag type dust collector device for the vertical mill production of the expanding agent comprises a bag type dust collector (1), a water pump (2) and a cooling water tank (3), wherein the bag type dust collector (1) comprises a shell (11), an air inlet (12) is formed in the side wall of the lower portion of the shell (11), the air inlet (12) is communicated with a hot air pipeline (5), the hot air pipeline (5) is communicated with a discharge hole of a vertical mill, an air outlet is formed in the side wall of the upper portion of the shell (11), a wind shield (4) is arranged in the shell (11) opposite to the air inlet (12), the wind shield (4) is fixedly connected with the shell (11), a water channel (42) is arranged in the wind shield (4), the water channel (42) is communicated with the cooling water tank (3) through a water conveying pipeline (7), and the water pump (2) is used for conveying the cold water pump (2) in the cooling water tank (3) to the water channel (42) in the wind shield (4), the deep bead (4) is made by the heat conduction material, like copper, aluminium, stainless steel, carbon steel, is convenient for conduct heat, and is specific, deep bead (4) inside cavity is equipped with baffle (41) in the hollow structure, encloses through baffle (41) and closes formation water passageway (42), deep bead (4) lower extreme is located to the water inlet of water passageway (42), and deep bead (4) upper end is located to the delivery port, water inlet of deep bead (4) lower extreme is connected in water pump (2), and cooling water tank (3) are connected to the delivery port of deep bead (4) upper end, water pump (2), deep bead (4), cooling water tank (3) connect gradually and form circulation cooling system.

The water channel (42) is a serpentine water channel (42), and referring to fig. 2, the serpentine water channel (42) can be formed by staggered baffles (41) to increase the flowing time of water in the wind deflector (4) so as to fully exchange heat.

Adopt above-mentioned technical scheme: hot air and materials blown to the bag type dust collector (1) through the hot air pipeline (5) firstly impact the wind shield (4), and cold water flows through the water channel (42) in the wind shield (4) and takes away heat in the hot air and the materials, so that the temperature of the materials is reduced.

Example 2

Example 2 is essentially the same as example 1, see fig. 3, with the difference that: a cooling pipe (6) is arranged in the hot air pipeline (5), the cooling pipe (6) is made of heat conducting materials, two ports of the cooling pipe (6) extend out of the hot air pipeline (5), in order to improve the sealing effect, sealing gaskets are arranged at the positions where the two ports of the cooling pipe (6) are contacted with the hot air pipeline (5), and two ports of the cooling pipe (6) are respectively connected with the water channel (42) and the cooling water tank (3); the water flow direction of the cooling pipe (6) is opposite to the advancing direction of hot air in the hot air pipeline (5), namely the water inlet of the cooling pipe (6) is close to the bag type dust collector (1), the water outlet of the cooling pipe is close to the discharge hole of the vertical mill, and the shape of the cooling pipe (6) can be designed according to the shape of the hot air pipeline (5); the water pump (2), the wind shield (4), the cooling pipe (6) and the cooling water tank (3) are sequentially connected to form a circulating cooling system.

Referring to fig. 3-4, the cooling pipe (6) is a spiral pipe, and the outer pipe wall of the spiral pipe is in contact with the inner side wall of the hot air pipe (5), so that water flow covers the inner surface of the hot air pipe (5), the heat absorption area is large, and the heat absorption efficiency is high.

Adopt above-mentioned technical scheme: the hot air and the materials blown to the bag type dust collector (1) through the hot air pipeline (5) firstly pass through the spiral tube to be cooled for the first time, continue to advance through the hot air and the materials which are primarily cooled, impact the wind shield (4) to be cooled for the second time, and the circulating water absorbs the heat of the hot air and the materials in the wind shield (4) and the spiral tube, so that the temperature of the hot air and the materials can be obviously reduced, and the effects of protecting the bag type dust collector (1) and transporting the materials are achieved.

Claims (6)

1. The utility model provides an inflation agent is ground production immediately with bag-type dust collector improvement device, its characterized in that, includes bag-type dust collector (1), water pump (2) and cooling water tank (3), be equipped with air intake (12) on casing (11) lower part lateral wall of bag-type dust collector (1), air intake (12) and hot-blast main (5) intercommunication, casing (11) in with air intake (12) relative department in position has set firmly deep bead (4), be equipped with water channel (42) in deep bead (4), water channel (42) with cooling water tank (3) are linked together through conduit (7), water pump (2) are used for with the cold water in cooling water tank (3) through conduit (7) pump sending extremely water channel (42).

2. The improved bag-type dust collector for vertical mill production of expanding agent according to claim 1, wherein the water channel (42) is a serpentine water channel (42).

3. The improved bag-type dust collector device for the vertical mill production of the expanding agent according to claim 1, wherein a cooling pipe (6) is arranged in the hot air pipeline (5), and two ports of the cooling pipe (6) extend out of the hot air pipeline (5) and are respectively connected with the water channel (42) and the cooling water tank (3).

4. The improved bag-type dust collector for vertical mill production of expansion agent as claimed in claim 3, wherein said cooling pipe (6) is a spiral pipe, and the outer wall of said spiral pipe is in contact with the inner wall of hot air duct (5).

5. The improved bag-type dust collector for the vertical mill production of the expanding agent according to claim 4, wherein the cooling pipe (6) and/or the wind shield (4) are made of heat-conducting material.

6. The improved bag-type dust collector for vertical mill production of expansion agent as claimed in claim 5, wherein the water flow direction of said cooling pipe (6) is opposite to the traveling direction of hot air in hot air duct (5).

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