CN113405272B

CN113405272B - Cooling arrangement is carried in processing of gypsum production line

Info

Publication number: CN113405272B
Application number: CN202110956985.5A
Authority: CN
Inventors: 奚乐
Original assignee: Jiangsu Sikesi Machinery Manufacturing Co ltd
Current assignee: Jiangsu Sikesi Machinery Manufacturing Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2021-10-29
Anticipated expiration: 2041-08-19
Also published as: CN113405272A

Abstract

The invention discloses a processing, conveying and cooling device of a gypsum production line, which comprises a cooling box and a conveying hopper, wherein a conveying belt for conveying gypsum is arranged in the conveying hopper, the conveying hopper penetrates through two side walls of the cooling box in a sealing manner, the upper wall of the conveying hopper, which is positioned on the cooling box, is provided with a cooling port in a penetrating manner, the part, which is positioned above the cooling port, of the cooling box is provided with a processing space, the part, which is positioned below the conveying hopper, of the cooling box is provided with a connecting space, a sealing plate is connected in the processing space in a sealing manner, the space, which is positioned below the sealing plate, of the processing space is provided with a cold air storage cavity, the space, which is positioned above the sealing plate, of the processing space is provided with a surplus material recovery cavity, a cooling structure is arranged in the cold air storage cavity, and a recovery structure is connected in the surplus material recovery cavity. Has the advantages that: the quick cooling process is better realized, the tail gas absorption effect is realized, and the waste of raw materials and air pollution are avoided.

Description

Cooling arrangement is carried in processing of gypsum production line

Technical Field

The invention relates to the technical field of building material processing, in particular to processing, conveying and cooling equipment for a gypsum production line.

Background

The gypsum is used as a building material, the existing gypsum with various forms is mainly processed and converted into semi-hydrated gypsum, in the processing process, the gypsum needs to be calcined and then cooled, and the rapid cooling of the gypsum discharged from a calcining furnace is difficult to realize on the existing gypsum processing production line.

Through retrieval, the Chinese granted patent CN106145724B discloses a mixing conveying cooling device of a gypsum processing production line, which belongs to the field of building materials and comprises a fan, an air supply distributor, a humidifying device, an air supply pipe, a conveying stirrer shell, a lining, a conveying stirrer, an air hood and an air outlet pipe; the fan is arranged on one side of the conveying stirrer and is connected with the air supply distributor and the humidifying device through the air supply pipe, and through analysis, the problem that the cooling speed of gypsum is low can be partially solved in the prior art, but when the gypsum cooling device is actually used, the following defects are also existed: only cool off through the air-cooling and be not good under the condition that needs the rapid cooling, and this prior art is when using, will not directly discharge the tail gas that does not pass through the processing and contact closely with gypsum and can make and carry partial gypsum clout, both wasted raw and other materials, probably cause the pollution again.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides processing, conveying and cooling equipment for a gypsum production line.

A cooling device for processing and conveying of a gypsum production line comprises a cooling box and a conveying hopper, wherein a conveying belt for conveying gypsum is arranged in the conveying hopper, the conveying hopper penetrates through two side walls of the cooling box in a sealing manner, the part of the conveying hopper, which is positioned in the cooling box, is of a wave-shaped structure, the part of the conveying hopper, which is positioned outside the cooling box, is of a funnel-shaped structure with a low middle part and high two sides, a cooling through hole is formed in the upper wall of the cooling box in a penetrating manner, a processing space is formed in the part of the cooling box, which is positioned above the cooling through hole, a connecting space is formed in the part of the cooling box, which is positioned below the conveying hopper, a sealing plate is connected in the processing space in a sealing manner, the space, which is positioned below the sealing plate, is arranged as a cold air storage cavity, the space, which is positioned above the sealing plate, is arranged as a residual material recovery cavity, and a cooling structure is arranged in the cold air storage cavity, and a recovery structure is connected in the excess material recovery cavity.

Further, the cooling structure includes a plurality of louvres that run through and set up in air conditioning storage chamber bottom, every all sealing connection has a check valve in the louvre, the lateral part intercommunication in air conditioning storage chamber is provided with the vortex tube, the cold junction export and the air conditioning storage chamber intercommunication of vortex tube, the hot junction export and the external gypsum raw materials feeder hopper intercommunication of vortex tube.

Further, the fixed setting of pipeline section of vortex tube is in the connection space, vertically in the connection space be provided with a plurality of feed liquor pipes, it is a plurality of the feed liquor pipe equidistance sets up, every the bottom of feed liquor pipe all seals the diapire that runs through the cooler bin and communicates with the underground water pipe of burying underground, the top of feed liquor pipe link up and is provided with the heat dissipation space of seting up in the connection space top, the heat dissipation space is seted up in the transport bucket and is located the downside of wave structure, the heat dissipation space runs through with the external world and has seted up the circulation mouth, sealing connection has check valve and solenoid valve in the circulation mouth, the check valve that the circulation mouth is connected only allows gas to get into in the heat dissipation space by the external world.

Furthermore, a plurality of air inlet ends are arranged in the vortex tube, each air inlet end is hermetically connected with an air inlet pipe, one end, far away from the vortex tube, of each air inlet pipe is communicated with one liquid inlet pipe, an air pump is arranged in the vortex tube, and forward and reverse currents are periodically input into the air pump.

Further, retrieve the structure and include two back flows, two the back flow communicates the setting respectively and is located the outer both sides roof department of cooler bin at the conveyer bucket, two the other end of back flow all retrieves the chamber with the clout and seals up the intercommunication, every the equal sealing connection of back flow has the check valve, the clout is retrieved the buffer liquid that is equipped with absorption calcium sulfate in the chamber, the top in clout retrieval chamber is run through and is seted up the gas outlet.

The advantages are that:

1: through the refrigeration technology of the vortex tube, when the gypsum is air-cooled, the initial temperature is reduced, so that the cooling operation is better realized, and the heat output by the other end of the vortex tube can be provided for the gypsum calcination processing for pretreatment and preheating, so that the reasonable utilization of energy is better realized;

2: the conveying hopper with the wave-shaped structure is utilized, so that the path of the gypsum in the cooling box is improved, the cooling time is prolonged and the cooling range of the gypsum is prolonged under the condition that the volume of the cooling box is not changed;

3: negative pressure is generated by high-speed gas passing through the vortex tube, so that water in the underground water pipe is absorbed by the heat dissipation space, and water cooling work is realized, and a good quick cooling effect is realized through the combined action of air cooling and water cooling;

4: through the clout recovery result, realize the collection to the gaseous interior raw materials of forced air cooling back, reduce the loss of raw materials on the one hand, on the other hand avoids air pollution.

Drawings

FIG. 1 is an external view of a cooling apparatus for processing and conveying in a gypsum production line according to the present invention;

FIG. 2 is a cross-sectional view from a first perspective of a cooling apparatus for processing and conveying in a gypsum production line according to the present invention;

FIG. 3 is a second perspective sectional view of a cooling apparatus for a gypsum processing line;

FIG. 4 is a third perspective sectional view of a cooling apparatus for a gypsum processing line;

FIG. 5 is a schematic structural view of a pipe portion of a processing, conveying and cooling device of a gypsum production line according to the present invention;

fig. 6 is a schematic structural diagram of a conveying hopper in a processing, conveying and cooling device of a gypsum production line.

In the figure: 1 cooling box, 2 conveying hoppers, 3 cooling ports, 41 cold air storage chambers, 42 excess

material recovery chambers

42, 5 sealing plates, 6 vortex tubes, 7 connecting spaces, 8 liquid inlet tubes, 9 heat dissipation spaces, 10 circulation ports, 11 air inlet tubes, 12 return tubes, 13 air outlets and 14 heat dissipation holes.

Detailed Description

Referring to fig. 1-3, a cooling device for processing and conveying in a gypsum production line comprises a cooling box 1 and a conveying bucket 2, wherein a conveying belt for conveying gypsum is arranged in the conveying bucket 2, the conveying bucket 2 penetrates through two side walls of the cooling box 1 in a sealing manner, the part of the conveying bucket 2, which is positioned in the cooling box 1, is of a wave structure, so that the conveying path of the conveying bucket 2 during conveying is increased, the time for the gypsum to stay in the cooling box 1 is prolonged, the part of the conveying bucket 2, which is positioned outside the cooling box 1, is of a funnel-shaped structure with a low middle part and high two sides, the upper wall of the conveying bucket 2, which is positioned in the cooling box 1, is provided with a cooling port 3 in a penetrating manner, the part of the cooling box 1, which is positioned above the cooling port 3, is provided with a processing space, the part of the cooling box 1, which is positioned below the conveying bucket 2, is provided with a connecting space 7, a sealing plate 5 is connected in the processing space, and the space, which is positioned below the sealing plate 5 is provided with a cold air storage cavity 41, the space of the processing space above the sealing plate 5 is provided with a surplus material recovery cavity 42, a cooling structure is arranged in the cold air storage cavity 41, and a recovery structure is connected in the surplus material recovery cavity 42.

Referring to fig. 4-5, the cooling structure includes a plurality of heat dissipation holes 14 penetrating the bottom of the cool air storage chamber 41, each heat dissipation hole 14 is connected with a check valve in a sealing manner, the check valve controls the flow direction of the gas on one hand, and the check valve needs pressure to open on the other hand, so that the gas pressure in the cool air storage chamber 41 is increased to a certain degree and then automatically released into the conveying hopper 2 to realize the air cooling work, the side of the cool air storage chamber 41 is communicated with a vortex tube 6, the vortex tube 6 has two output ends of hot cooling and an air inlet end, the cold end outlet of the vortex tube 6 is communicated with the cool air storage chamber 41 to convey cool air, the hot end outlet of the vortex tube 6 is communicated with an external gypsum raw material hopper to preheat the gypsum before calcination processing, the tube section of the vortex tube 6 is fixedly arranged in the connection space 7, a plurality of liquid inlet tubes 8 are vertically arranged in the connection space 7, a plurality of feed liquor pipes 8 equidistance set up, the diapire that runs through cooler bin 1 and the water pipe intercommunication buried underground is all sealed to the bottom of every feed liquor pipe 8, the top of feed liquor pipe 8 link up and is provided with the heat dissipation space 9 of seting up in connecting space 7 top, heat dissipation space 9 is seted up in transport bucket 2 and is located the downside of wave structure, because heat dissipation space 9 is nearer with transport bucket 2 distance, consequently when being full of the cooling water in heat dissipation space 9, will effectually carry out cooling work to the material in the transport bucket 2, heat dissipation space 9 runs through with the external world and has seted up circulation mouth 10, sealing connection has the check valve in the circulation mouth 10, circulation mouth 10 is arranged in to supplementing gas in the heat dissipation space 9, the check valve that circulation mouth 10 connects only allows gas to get into in the heat dissipation space 9 by the external world.

Referring to fig. 4-6, a plurality of air inlet ends are arranged in the vortex tube 6, each air inlet end is hermetically connected with an air inlet tube 11, one end of each air inlet tube 11, which is far away from the vortex tube 6, is communicated with one liquid inlet tube 8, an air pump is arranged in the vortex tube 6 and periodically inputs forward and reverse currents, so that air is sucked by the forward current and pressurized by the reverse current, which is advantageous in that when the vortex tube 6 starts to work, gas is absorbed from the air inlet tube 11, the liquid inlet tube 8 and the heat dissipation space 9, so that after absorbing the part of gas, the heat dissipation space 9 is under a large negative pressure, so that water in the underground water tube automatically enters the heat dissipation space 9 under the negative pressure to realize the water cooling work of the conveying hopper 2, the recycling structure comprises two return pipes 12, the two return pipes 12 are respectively communicated with and arranged at two sides of the top wall of the conveying hopper 2 outside the cooling tank 1, the other end of two back flows 12 all retrieves chamber 42 with the clout and seals up the intercommunication, and every back flow 12 all sealing connection has a check valve, and the clout is retrieved the buffer liquid that is equipped with absorption calcium sulfate in the chamber 42, filters gas to avoid in the raw materials composition in the gas gets into the air, cause the problem of extravagant or polluted air, the gas outlet 13 has been seted up in running through at the top in clout retrieval chamber 42.

When the device is used, forward current is firstly introduced into an air pump in the vortex tube 6, so that air in an air inlet pipe 11, a liquid inlet pipe 8 and a heat dissipation space 9 is absorbed into the vortex tube 6, then the part of air is pressurized through reverse current, so that high-speed air is obtained, and cold air and hot air are respectively output from a cold end and a hot end, meanwhile, water in the underground water pipe is absorbed into the heat dissipation space 9 through the liquid inlet pipe 8 by virtue of reverse gravity due to large negative pressure in the heat dissipation space 9, and the cold air output from a cold end outlet of the vortex tube 6 is output through a plurality of heat dissipation holes 14, so that air cooling and water cooling are respectively carried out on the upper side and the lower side of the heat dissipation space during raw material transportation, so that quick cooling work is effectively realized, after the cold air is output, a circulation port 10 is provided with an electromagnetic valve, and is opened during the forward current and closed during the reverse current, so that the air can be supplemented into the heat dissipation space 9 when the reverse current is supplied to the vortex tube 6, and at this time, the cooling water in the heat dissipation space 9 is discharged, and after the current direction is switched again, the gas entering the heat dissipation space 9 can be continuously absorbed and the negative pressure is generated, so that the water absorption in the underground water pipe of the next batch can be continuously performed, which has the advantages that the cooling work is continuously performed by using new cooling water, and the part of water can be recycled.

Claims

1. The processing and conveying cooling equipment for the gypsum production line comprises a cooling box (1) and a conveying hopper (2), and is characterized in that the conveying hopper (2) is internally provided with a conveying belt for conveying gypsum, the conveying hopper (2) penetrates through two side walls of the cooling box (1) in a sealing manner, the part, located in the cooling box (1), of the conveying hopper (2) adopts a wave-shaped structure, the part, located outside the cooling box (1), of the conveying hopper (2) adopts a funnel-shaped structure with a low middle part and high two sides, the upper wall, located in the cooling box (1), of the conveying hopper (2) penetrates through a cooling through hole (3), the part, located above the cooling through hole (3), of the cooling box (1) is provided with a processing space, the part, located below the conveying hopper (2), of the cooling box (1) is provided with a connecting space (7), and a sealing plate (5) is connected in the processing space in a sealing manner, the space of the processing space below the sealing plate (5) is set as a cold air storage cavity (41), the space of the processing space above the sealing plate (5) is set as a surplus material recovery cavity (42), a cooling structure is arranged in the cold air storage cavity (41), and a recovery structure is connected in the surplus material recovery cavity (42);

the lateral part intercommunication in air conditioning storage chamber (41) is provided with vortex tube (6), the fixed setting in connection space (7) of pipeline section of vortex tube (6), vertically in connection space (7) be provided with a plurality of feed liquor pipes (8), a plurality of feed liquor pipe (8) equidistance sets up, every the diapire that runs through cooler bin (1) and the water pipe intercommunication buried underground with the underground all sealed in bottom of feed liquor pipe (8), the top of feed liquor pipe (8) link up and is provided with heat dissipation space (9) of seting up in connection space (7) top.

2. The processing and conveying cooling device for the gypsum production line as claimed in claim 1, wherein the cooling structure comprises a plurality of heat dissipation holes (14) penetrating through the bottom of the cold air storage cavity (41), each heat dissipation hole (14) is hermetically connected with a one-way valve, the cold end outlet of the vortex tube (6) is communicated with the cold air storage cavity (41), and the hot end outlet of the vortex tube (6) is communicated with an external gypsum raw material feed hopper.

3. The processing and conveying cooling device for the gypsum production line as recited in claim 2, wherein the heat dissipation space (9) is arranged in the conveying hopper (2) and located at the lower side of the wave-shaped structure, the heat dissipation space (9) is provided with a circulation port (10) through with the outside, a one-way valve and an electromagnetic valve are hermetically connected in the circulation port (10), and the one-way valve connected with the circulation port (10) only allows gas to enter the heat dissipation space (9) from the outside.

4. The processing and conveying cooling device for the gypsum production line according to claim 3, wherein a plurality of air inlet ends are arranged in the vortex tube (6), each air inlet end is hermetically connected with an air inlet tube (11), one end, far away from the vortex tube (6), of each air inlet tube (11) is communicated with one liquid inlet tube (8), an air pump is arranged in the vortex tube (6), and the air pump periodically inputs forward and reverse currents.

5. The processing and conveying cooling device for the gypsum production line as claimed in claim 4, wherein the recovery structure comprises two return pipes (12), the two return pipes (12) are respectively communicated with the top walls of two sides of the conveying hopper (2) located outside the cooling tank (1), the other ends of the two return pipes (12) are respectively communicated with the excess material recovery cavity (42) in a sealing manner, each return pipe (12) is hermetically connected with a one-way valve, a buffer liquid for absorbing calcium sulfate is filled in the excess material recovery cavity (42), and an air outlet (13) is formed in the top of the excess material recovery cavity (42) in a penetrating manner.