CN214361037U

CN214361037U - Continuous gypsum production equipment

Info

Publication number: CN214361037U
Application number: CN202120340526.XU
Authority: CN
Inventors: 赵长城; 靳卫光
Original assignee: Changzhou Qingquan Environmental Protection Complete Equipment Co ltd
Current assignee: Changzhou Qingquan Environmental Protection Complete Equipment Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-10-08
Anticipated expiration: 2031-02-06

Abstract

The application relates to continuous type gypsum production facility belongs to gypsum production facility's field, and it includes purifier, calcining machine and cooler, the discharge end of purifier passes through the feed end of conveying pipeline intercommunication calcining machine, the discharge end of calcining machine is through the feed end of arranging material pipe intercommunication cooler. This application communicates in proper order through each equipment that uses in gypsum production, and after the processing work of a process, the gypsum raw materials just can flow the next process of transferring and continue processing, has saved the work that extra material was transported between each process, has realized the continuous production of gypsum, has the effect that improves gypsum production efficiency.

Description

Continuous gypsum production equipment

Technical Field

The application relates to the technical field of gypsum production equipment, in particular to continuous gypsum production equipment.

Background

Gypsum is a monoclinic mineral and is a hydrate whose main chemical component is calcium sulfate (CaSO 4). The main component of the industrial gypsum is dihydrate gypsum, which is a good raw material for producing building materials, such as gypsum blocks, gypsum bricks, gypsum boards, large gypsum wallboards, plastering gypsum and the like.

In the related gypsum production process, impurities of dihydrate gypsum raw materials are firstly removed and purified, and then the dihydrate gypsum is sequentially subjected to the processes of adding water, heating, calcining, drying, cooling and the like in each device, so that the finished hemihydrate gypsum particles can be obtained.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the production process, the operation is comparatively loaded down with trivial details in the linking transfer of gypsum between each process, and the operation of transporting is along with certain raw materials loss, is unfavorable for gypsum production efficiency's improvement.

SUMMERY OF THE UTILITY MODEL

Make the lower problem of gypsum production efficiency in order to improve the material transfer between the production processes, this application provides a continuous type gypsum production facility.

The application provides a continuous type gypsum production facility adopts following technical scheme:

the utility model provides a continuous type gypsum production facility, includes purifier, calcining machine and cooler, the discharge end of purifier passes through the feed end of conveying pipeline intercommunication calcining machine, the discharge end of calcining machine is through the feed end of arranging material pipe intercommunication cooler.

Through adopting above-mentioned technical scheme, after the working process of every process, the gypsum just can flow into next production process, has saved the material between each process of in-process of gypsum production and has the effect that improves the production efficiency of gypsum production.

Optionally, the discharge end of the purifier is located at the bottom of the purifier, a centralized hopper is arranged at the bottom of the purifier, the conveying pipeline is communicated with the bottom of the centralized hopper, and a discharge valve is arranged between the purifier and the centralized hopper.

Through adopting above-mentioned technical scheme, after opening the bleeder valve, the gypsum raw materials in the clearing machine is concentrated and slowly gets into the calcining machine by concentrated fill, and this in-process is concentrated to be fought and is played the effect that the accuse flowed, makes the gypsum raw materials flow to the calcining machine evenly, reduces the gypsum and condenses into the possibility of great clot to guarantee the degree of consistency of the reaction effect of gypsum.

Optionally, a preheating pipe is arranged between the purifying machine and the calcining machine, low-temperature steam is introduced into the preheating pipe, and the preheating pipe is wound outside the centralized hopper and the material conveying pipe.

Through adopting above-mentioned technical scheme, at the in-process that the raw materials got into the calcining machine by the clearing machine, the preheating pipe plays certain heat preservation effect, reduces the cooling that the gypsum material after the purification took place when transferring to the calcining machine to reduce the negative effects that temperature variation caused the state and the characteristic of gypsum raw materials.

Optionally, a plurality of preheating holes are communicated between the preheating pipe and the material conveying pipe.

Through adopting above-mentioned technical scheme, the preheating pipe lets in low temperature steam through preheating the hole in to the conveying pipeline, plays certain stirring upset and preliminary calcination effect to the material.

Optionally, the calcining machine is horizontal, the calcining machine internal rotation is connected with carries the auger, be equipped with the pipe of calcining on the calcining machine, it has high temperature steam to lead to in the pipe of calcining, it has a plurality of breather pipes to calcine the pipe intercommunication, and the breather pipe is kept away from the one end and the calcining machine inner wall intercommunication of calcining the pipe, the breather pipe all is higher than the axis height of carrying the auger with the intercommunication part of calcining machine.

Through adopting above-mentioned technical scheme, when calcining the pipe and not letting in gas, the inside material of calcining machine is difficult for receiving gravity and the landing is gone into the breather pipe or is calcined intraductally inconvenient taking out.

Optionally, the breather pipe sets up in an inclined manner, by the advancing direction of the steam that the breather pipe lets in the calcining machine inclines towards the advancing direction of gypsum material relative to the axis of carrying the auger.

By adopting the technical scheme, when the air pressure in the vent pipe is not large enough, the materials in the process of moving are not easy to enter the vent pipe, and the possibility of blockage in the vent pipe is reduced.

Optionally, the feed end and the discharge end of the calcining machine are respectively located at two ends of the conveying auger, a poking plate is fixedly connected to the peripheral surface of the conveying auger, a bending portion is arranged at one end, away from the axis of the conveying auger, of the poking plate, and the bending portion is located on one side of the rotating direction of the poking plate relative to the axis of the conveying auger.

Through adopting above-mentioned technical scheme, the switch board can be with the material that is close to the calciner bottom upwards raise, makes the material be close to saturated steam more to improve the reaction degree of abundance between gypsum raw materials and the steam.

Optionally, the plate surface of the material poking plate inclines relative to the axis of the conveying auger, and the inclination direction of the material poking plate is consistent with the inclination direction of the blades of the conveying auger.

By adopting the technical scheme, the material shifting plate has a certain transmission propelling effect on the gypsum materials, so that the materials are not easily influenced by the material shifting plate to stop advancing.

Optionally, the cooler is a fluidized bed, the bottom of the cooler is communicated with an air inlet pipe, the top of the cooler is communicated with an air outlet pipe, and filter cloth is arranged in the cooler and at a position close to the top.

By adopting the technical scheme, a small amount of gypsum powder which is not successfully granulated is intercepted by the filter cloth in the drying and cooling process in the cooling machine, so that the powder is convenient to recycle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement that the purifying machine, the calcining machine and the cooling machine are communicated in sequence, when the gypsum materials are produced in one process, the gypsum materials flow to the next process, the material transferring operation among the processes in the gypsum production process is omitted, and the production efficiency of gypsum production is improved;

2. through the setting of switch board, the switch board stirs the gypsum material that is close to the bottom in with the calcining machine to the top that is close to saturated steam, is favorable to the intensive mixing of raw materials in steam to improve the reaction abundant degree of gypsum.

Drawings

Fig. 1 is a schematic structural view for embodying a continuous gypsum production apparatus in the embodiment of the present application.

FIG. 2 is a schematic diagram showing the positional relationship between the feed delivery pipe and the preheating pipe in the embodiment of the present application.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a purifying machine; 11. a discharge valve; 12. a centralized hopper; 2. a delivery pipe; 21. a preheating pipe; 22. preheating holes; 3. a calcining machine; 31. a drive motor; 32. conveying the auger; 321. a kick-out plate; 3211. a bending part; 33. calcining the tube; 331. a breather pipe; 34. a discharge pipe; 4. a cooling machine; 41. an air inlet pipe; 42. an exhaust pipe; 43. and (5) filtering the cloth.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses continuous gypsum production equipment, as shown in fig. 1, the equipment comprises a purifying machine 1, a calcining machine 3 and a cooling machine 4 which are sequentially communicated along the conveying direction of materials, wherein the calcining machine 3 is horizontal, one ends of the purifying machine 1 and the calcining machine 3 are communicated through a conveying pipe 2, and one end of the calcining machine 3, which is far away from the purifying machine 1, is communicated with the cooling machine 4 through a discharging pipe 34; the purification machine 1 is used for removing impurities and purifying gypsum raw materials, the calcining machine 3 is used for calcining gypsum, and the cooling machine 4 is used for cooling and drying calcined gypsum.

As shown in figures 1 and 2, a concentration hopper 12 is arranged at the bottom of the purifier 1, the concentration hopper 12 and the purifier 1 are communicated or separated through a discharge valve 11, and the bottom of the concentration hopper 12 is communicated with the material conveying pipe 2. A preheating pipe 21 is wound on the outer walls of the centralized hopper 12 and the discharge pipe, and low-temperature steam is introduced into the preheating pipe 21; the preheating pipe 21 is only attached to the outer wall of the collecting hopper 12, a plurality of preheating holes 22 are uniformly formed between the preheating pipe 21 and the outer wall of the feed delivery pipe 2 while the preheating pipe 21 is attached to the outer wall of the feed delivery pipe 2, the preheating holes 22 communicate the preheating pipe 21 with the feed delivery pipe 2, one end of the preheating hole 22, which is located on the inner wall of the feed delivery pipe 2, is inclined downwards, and low-temperature steam passes through the preheating holes 22 from the preheating pipe 21 and enters the feed delivery pipe 2. The preheating pipe 21 is used for reducing the temperature reduction of the purified gypsum materials when the purified gypsum materials are transferred into the calcining machine 3, and meanwhile, the gypsum materials are subjected to preliminary calcination and stirring by steam sprayed from the preheating holes 22 when entering the calcining machine 3.

As shown in fig. 1 and 3, the material conveying pipe 2 is communicated with one end of the calcining machine 3, the material discharging pipe 34 is communicated with one end of the calcining machine 3 far away from the material conveying pipe 2, the calcining machine 3 is rotatably connected with a conveying auger 32 which is used for propelling the gypsum materials to move and has a stirring effect, and a driving motor 31 which is used for driving the conveying auger 32 to rotate is arranged outside the calcining machine 3. This equipment adopts high temperature saturated steam to calcine gypsum: a plurality of calcining pipes 33 are arranged outside the calcining machine 3, a plurality of aeration pipes 331 which are arranged in an array are communicated on the calcining pipes 33, and the calcining pipes 33 spray high-temperature saturated steam inside the calcining machine 3 through the aeration pipes 331. The communication part of the vent pipe 331 and the calcining machine 3 is higher than the axis of the conveying auger 32, so that when the calcining pipe 33 is not aerated, the materials in the calcining machine 3 are not easy to slip into the vent pipe 331 or the calcining pipe 33 by gravity and are not convenient to take out. Meanwhile, the included angle between the axial direction of the vent pipe 331 and the axial direction of the conveying auger 32 is not 90 degrees, one end of the vent pipe 331, which is far away from the calcining pipe 33, inclines towards the conveying direction of the materials, namely, the gas entering the calcining machine 3 from the vent pipe 331 has a movement trend towards the advancing direction of the materials, so that the advancing materials are not easy to enter the vent pipe 331 when the air pressure in the vent pipe 331 is not large enough, and the possibility of blockage in the vent pipe 331 is reduced.

As shown in fig. 1 and 3, as steam in the calcining machine 3 enters from the top, the steam in the calcining machine 3 is unevenly distributed up and down, and most of gypsum raw materials are influenced by gravity and are located at the bottom position close to the calcining machine 3, so that the circumferential surface of the conveying auger 32 is fixedly connected with a plurality of material stirring plates 321, one end of each material stirring plate 321 far away from the conveying auger 32 is integrally formed with a bending part 3211, the bending direction of the bending part 3211 faces the rotating direction of the material stirring plate 321 around the conveying auger 32, and the edge of one end of each bending part 3211 far away from the material stirring plate 321 is attached to the inner wall of the calcining machine 3; meanwhile, the plate surface of the material shifting plate 321 inclines relative to the axis of the conveying auger 32, and the inclination direction of the material shifting plate 321 is consistent with the inclination direction of the blades of the conveying auger 32; in the process of rotating the conveying auger 32, the material stirring plate 321 can lift the gypsum raw materials close to the inner wall of the bottom of the calcining machine 3 to the top, so that most of the materials can be fully contacted with the high-temperature saturated steam.

As shown in fig. 1, the material leaves the calciner 3 and enters the cooler 4 for drying and cooling. Cooler 4 adopts fluidized bed theory of operation, and its bottom is equipped with the intake pipe 41 that is used for letting in dry gas, and cooler 4 top is equipped with the blast pipe 42 that is used for exhaust gas, and dry gas stirs and air-dries the gypsum material in to cooler 4 for the gypsum material finally becomes dry gypsum granule. In the whole process, a small amount of powdery gypsum raw materials are still mixed in the gypsum materials, so that the filter cloth 43 is arranged in the cooling machine 4 and between the air inlet pipe 41 and the exhaust pipe 42, and the gypsum powder mixed in when the air flows from the air inlet pipe 41 to the exhaust pipe 42 is intercepted by the filter cloth 43. After the cooling reaction is completed, the gypsum powder intercepted by the filter cloth 43 can be collected by taking off the filter cloth 43 for recycling.

The implementation principle of continuous gypsum production equipment in the embodiment of the application is as follows:

adding dihydrate gypsum raw materials into the purifier 1, wherein the discharge valve 11 of the purifier 1 is always closed in the working process; after the purification treatment is finished, introducing steam into the preheating pipe 21 and the calcining pipe 33, opening the discharge valve 11, starting the driving motor 31, enabling the gypsum raw material to enter the calcining machine 3 through the conveying pipe 2, enabling the gypsum raw material to move towards the discharge pipe 34 under the action of the conveying auger 32, and simultaneously carrying out mixing reaction on the gypsum raw material and high-temperature saturated steam to finish dehydration; and then the calcined gypsum material leaves the calcining machine 3 and enters a cooling machine 4 for drying and cooling, and the cooling machine 4 finishes working to obtain the dry semi-hydrated gypsum.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A continuous gypsum production plant comprising a purification machine (1), a calcining machine (3) and a cooling machine (4), characterized in that: the discharge end of the purifying machine (1) is communicated with the feed end of the calcining machine (3) through a feed delivery pipe (2), and the discharge end of the calcining machine (3) is communicated with the feed end of the cooling machine (4) through a discharge pipe (34).

2. A continuous gypsum production plant according to claim 1, wherein: the discharge end of the purifier (1) is located at the bottom of the purifier (1), the bottom of the purifier (1) is provided with a centralized hopper (12), the conveying pipeline (2) is communicated with the bottom of the centralized hopper (12), and a discharge valve (11) is arranged between the purifier (1) and the centralized hopper (12).

3. A continuous gypsum production plant according to claim 2, wherein: a preheating pipe (21) is arranged between the purifying machine (1) and the calcining machine (3), low-temperature steam is introduced into the preheating pipe (21), and the preheating pipe (21) is wound outside the centralized hopper (12) and the material conveying pipe (2).

4. A continuous gypsum production plant according to claim 3, wherein: a plurality of preheating holes (22) are communicated between the preheating pipe (21) and the material conveying pipe (2).

5. A continuous gypsum production plant according to claim 1, wherein: the calcining machine (3) is horizontal, the calcining machine (3) internal rotation is connected with carries auger (32), be equipped with on calcining machine (3) and calcine pipe (33), it has high-temperature steam to calcine pipe (33) expert, it has a plurality of breather pipes (331) to calcine pipe (33) intercommunication, and the one end and calcining machine (3) inner wall intercommunication of calcining pipe (33) are kept away from in breather pipe (331), the axis height that the intercommunication part of breather pipe (331) and calcining machine (3) all is higher than carries auger (32).

6. A continuous gypsum production plant according to claim 5, wherein: the aeration pipe (331) is obliquely arranged, and the advancing direction of the steam introduced into the calcining machine (3) through the aeration pipe (331) is inclined towards the advancing direction of the gypsum materials relative to the axis of the conveying auger (32).

7. A continuous gypsum production plant according to claim 5, wherein: the feed end and the discharge end of calcining machine (3) are located the both ends of carrying auger (32) respectively, carry fixedly connected with switch plate (321) on the global of auger (32), the one end of keeping away from transport auger (32) axis in switch plate (321) is equipped with portion of bending (3211), the portion of bending (3211) is located switch plate (321) and carries auger (32) axis's direction of rotation one side relatively.

8. A continuous gypsum production plant according to claim 7, wherein: the plate surface of the material poking plate (321) inclines relative to the axis of the conveying auger (32), and the inclination direction of the material poking plate (321) is consistent with the inclination direction of the blade of the conveying auger (32).

9. A continuous gypsum production plant according to claim 1, wherein: the cooling machine (4) is a fluidized bed, the bottom of the cooling machine (4) is communicated with an air inlet pipe (41), the top of the cooling machine (4) is communicated with an air outlet pipe (42), and a filter cloth (43) is arranged in the cooling machine (4) and is positioned close to the top.