Cold air bed for crude salt production
By introducing a cold air bed equipment with sieve plates and crushing components into the raw salt production process, raw salt with a particle size greater than 2.0 mm is screened out and directly fed into the color sorter to break up agglomerated raw salt. This solves the problem of low screening efficiency in raw salt production, realizes the integration of cooling, screening and crushing, and improves production efficiency.
Patent Information
- Application Number
- CN202423090067.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In the process of raw salt production, the No. 1 rotary screen has low screening efficiency and high screening pressure, resulting in insufficient raw salt production efficiency.
Design a cold air bed for raw salt production, which uses a sieve plate and a crushing component. The sieve plate screens out raw salt with a particle size greater than 2.0 mm and directly feeds it into a color sorter. The crushing component is used to crush agglomerated raw salt, combining cooling and screening functions into one.
It improves the screening efficiency of raw salt, reduces the screening pressure of the primary rotary screen, and enhances the production efficiency of raw salt.
Smart Images
Figure CN223655095U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of crude salt production, in particular to a cold air bed for crude salt production. BACKGROUND
[0002] In the process of crude salt production, after the crude salt is crushed, washed and centrifuged, the crude salt enters the boiling bed for drying, and then enters the cold air bed for cooling. After cooling, it is transported to the first rotary screen for particle size screening through the hopper elevator. The screened powder crystal salt and granular salt are respectively subjected to color selection. The first rotary screen needs to screen all the crude salt passing through the cold air bed, and the screening efficiency of the first rotary screen is low, and the screening pressure is large. SUMMARY
[0003] The utility model embodiment provides a cold air bed for crude salt production, which improves the screening efficiency of the first rotary screen and improves the production efficiency of the crude salt.
[0004] A cold air bed for crude salt production adopts the following technical scheme:
[0005] A cold air bed for crude salt production includes an upper box and a lower box connected below the upper box. A side wall at one end of the upper box is provided with a feeding hopper, and a first discharge pipe is fixed to an end of the upper box away from the feeding hopper. A sieve plate is arranged in the upper box, the side of the sieve plate close to the feeding hopper is high, the side of the sieve plate close to the first discharge pipe is low, a receiving plate is arranged below the sieve plate, a second discharge pipe is fixed to the side wall of the lower box below the first discharge pipe, the crude salt enters the upper box from the feeding hopper, the crude salt with larger particles slides down the sieve plate and is discharged from the first discharge pipe, the crude salt with smaller particles falls onto the receiving plate and is finally discharged from the second discharge pipe, and a vibration motor is fixed to the side wall of the lower box.
[0006] Further, the side of the sieve plate close to the first discharge pipe is provided with a crushing assembly for crushing the caked crude salt.
[0007] Further, the crushing assembly includes a pressing plate, a spring and a guide rod. The pressing plate is located above the sieve plate, the spring is fixed between the pressing plate and the sieve plate, the top of the guide rod is fixed to the pressing plate, the guide rod penetrates through the sieve plate, and the spring is sleeved on the guide rod.
[0008] Further, the inner wall of the upper box is fixed with a reinforcing rib for supporting the sieve plate, and the reinforcing rib is fixed to the bottom of the sieve plate.
[0009] Further, the distance between the pressing plate and the sieve plate becomes smaller and smaller along the conveying direction of the crude salt.
[0010] Further, the side wall of the lower box is fixed with an air inlet pipe, the top of the upper box is fixed with an air outlet pipe, and a maintenance door is installed on the side wall of the upper box.
[0011] Further, the bottom of the lower box body is provided with supporting legs, the sidewall of the lower box body is fixedly provided with a connecting plate, and a buffer column is fixed between the top of the supporting leg and the connecting plate.
[0012] Compared with the prior art, the utility model has the following technical effects:
[0013] Through the setting up of the sieve plate, the raw salt with a particle size greater than 2.0mm is screened out in the cold air bed, and the screened raw salt with a particle size greater than 2.0mm is directly color selected in the color selector, so that the screening pressure of the first rotary screen is relieved. Through the setting up of the crushing assembly, the caked raw salt can be crushed, so that the cold air bed is an integrated equipment with cooling, screening and crushing functions, and the production efficiency of the raw salt is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings described herein are used to provide a further understanding of the utility model, constitute a part of the utility model, and do not constitute a limitation on the utility model. In the drawings:
[0015] Figure 1 It is a whole structure schematic diagram of the utility model;
[0016] Figure 2 It is a cross section structure schematic diagram of the upper box body and the lower box body in the utility model;
[0017] Figure 3 It is a schematic diagram of the crushing assembly in the utility model;
[0018] Figure 4 It is a schematic diagram of the reinforcing rib in the utility model;
[0019] Figure 5 It is a schematic diagram of the receiving plate in the utility model.
[0020] BRIEF DESCRIPTION OF DRAWINGS: 1, the upper box body; 11, the access door; 12, the feeding hopper; 13, the first discharge hole; 14, the first discharge pipe; 15, the air outlet pipe; 2, the lower box body; 21, the vibration motor; 22, the second discharge hole; 23, the second discharge pipe; 24, the air inlet pipe; 3, the sieve plate; 4, the support; 41, the supporting leg; 42, the connecting plate; 43, the buffer column; 44, the connecting rod; 5, the receiving plate; 6, the crushing assembly; 61, the pressing plate; 62, the spring; 63, the guide rod; 7, the reinforcing rib. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with embodiments and drawings. Herein, the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, but not as a limitation on the utility model.
[0022] Reference Figures 1-5 The application relates to a cold air bed for producing raw salt, which comprises an upper box body 1 and a lower box body 2, the inside of the upper box body 1 and the lower box body 2 are communicated, and the upper box body 1 and the lower box body 2 are fixed by bolts. A sieve plate 3 is arranged in the inside of the upper box body 1, and the sieve plate 3 can sieve out raw salt with a particle size of more than 2.0 mm. A support 4 is arranged at the bottom of the lower box body 2, and the support 4 supports the lower box body 2. The support 4 comprises support legs 41, a connecting plate 42 and a buffer column 43, the connecting plate 42 is fixed on the side wall of the lower box body 2, the buffer column 43 is fixed between the connecting plate 42 and the support leg 41, and connecting rods 44 are fixed between adjacent two support legs 41. A vibrating motor 21 is fixed on the side wall of the lower box body 2. A maintenance door 11 is arranged on the side wall of the upper box body 1.
[0023] The sieve plate 3 is fixed on the inner wall of the upper box body 1, an upper hopper 12 is fixed on the outer wall of one end of the upper box body 1, a first discharging hole 13 is arranged on the outer wall of the side, away from the upper hopper 12, of the upper box body 1, and a first discharging pipe 14 is fixed on the outer wall of the side, away from the upper hopper 12, of the upper box body 1. The sieve plate 3 is arranged in an inclined mode, the side, close to the upper hopper 12, of the sieve plate 3 is high, and the side, close to the first discharging pipe 14, of the sieve plate 3 is low. The raw salt on the sieve plate 3 enters the first discharging pipe 14 through the first discharging hole 13. The raw salt enters the upper box body 1 from the upper hopper 12, slides from the sieve plate 3, and finally the raw salt with a particle size of more than 2.0 mm is discharged from the first discharging pipe 14.
[0024] A receiving plate 5 is arranged below the sieve plate 3, and the receiving plate 5 is a fish scale plate. The raw salt falling from the mesh holes of the sieve plate 3 falls on the receiving plate 5, a second discharging hole 22 is arranged on the outer wall of the lower box body 2, a second discharging pipe 23 is fixed on the outer wall of the lower box body 2, the second discharging pipe 23 is located below the first discharging pipe 14, and the second discharging pipe 23 corresponds to the second discharging hole 22. The raw salt with a particle size of less than 2.0 mm falls on the receiving plate 5, slides from the high position of the receiving plate 5 to the ground, and finally is discharged from the second discharging pipe 23 through the second discharging hole 22.
[0025] A crushing assembly 6 is arranged on the side, close to the first discharging hole 13, of the sieve plate 3, and the crushing assembly 6 can crush the caked raw salt. The crushing assembly 6 comprises a pressing plate 61, springs 62 and a guide rod 63, the pressing plate 61 is located above the sieve plate 3, and the two springs 62 are fixed between the pressing plate 61 and the sieve plate 3. The guide rod 63 is fixed on the bottom of the pressing plate 61, the spring 62 is sleeved on the guide rod 63, and the guide rod 63 penetrates through the sieve plate 3. The distance between the pressing plate 61 and the sieve plate 3 becomes smaller and smaller along the material conveying direction. Under the action of the vibrating motor 21, the pressing plate 61 shakes up and down along the axis direction of the guide rod 63. The caked raw salt slides from the sieve plate 3 to the space between the pressing plate 61 and the sieve plate 3, and the caked raw salt is crushed between the pressing plate 61 and the sieve plate 3 along with the action of the pressing plate 61. After being crushed, the raw salt is discharged from the first discharging pipe 14.
[0026] In order to increase the stability of the sieve plate 3, the lower part of the sieve plate 3 is provided with a reinforcing rib 7, the lower part of the reinforcing rib 7 is fixed, the side wall of the reinforcing rib 7 is fixed with the side wall of the upper box body 1, the reinforcing rib 7 is provided with two, one reinforcing rib 7 corresponds to one guide rod 63, the guide rod 63 penetrates through the sieve plate 3 and penetrates through the reinforcing rib 7. The side wall of the lower box body 2 is fixed with a plurality of air inlet pipes 24, and the top of the upper box body 1 is fixed with a plurality of air outlet pipes 15. The cold air enters the lower box body 2 from the air inlet pipe 24, and the cold air passes through the receiving plate 5 and the sieve plate 3 to cool the raw salt, and finally is discharged from the air outlet pipe 15.
[0027] The implementation principle of the cold air bed for raw salt production is that the raw salt enters the upper box body 1 from the feeding hopper 12, the raw salt slides from the sieve plate 3 to the direction of the first discharging pipe 14, the particles with a particle size greater than 2.0mm above fall from the sieve plate 3 to the first discharging pipe 14, the particles with a particle size less than 2.0mm below fall from the sieve plate 3 to the receiving plate 5, the cold air enters the lower box body 2 from the air inlet pipe 24, and the cold air passes through the receiving plate 5 and the sieve plate 3 to cool the raw salt. After the caked raw salt slides between the pressing plate 61 and the sieve plate 3, the caked raw salt is broken under the vibration of the vibration motor 21.
[0028] By arranging the sieve plate 3, the raw salt with a particle size greater than 2.0mm is screened out in the cold air bed, and the screened raw salt with a particle size greater than 2.0mm is directly fed into the color sorter for color selection, so that the screening pressure of the first rotating screen is relieved. By arranging the crushing assembly 6, the caked raw salt can be crushed, so that the cold air bed has the functions of cooling, screening and crushing, and the production efficiency of the raw salt is improved.
[0029] The above only describes the preferred embodiments of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application is included in the protection scope of the present application.
Claims
1. A cold air bed for crude salt production, characterized by, The utility model provides a kind of salt screening device, including upper box (1) and be connected below upper box (1) lower box (2), upper box (1) one end side wall is equipped with upper hopper (12), upper box (1) is fixed with first lower pipe (14) away from upper hopper (12) one end, upper box (1) is provided with sieve plate (3), sieve plate (3) is high near upper hopper (12) side, sieve plate (3) is low near first lower pipe (14) side, sieve plate (3) below is provided with receiving plate (5), first lower pipe (14) below is provided with with second lower pipe (23) with lower box (2) side wall, crude salt is from upper hopper (12) into upper box (1), the crude salt of larger particle slides down from first lower pipe (14) from sieve plate (3), the crude salt of smaller particle falls on receiving plate (5) finally from second lower pipe (23) is discharged, the side wall of lower box (2) is fixed with vibration motor (21).
2. The cold bed for producing raw salt according to claim 1, characterized in that, Sieve plate (3) near first lower pipe (14) side is provided with the broken assembly (6) for breaking the caked crude salt.
3. The cold bed for producing raw salt according to claim 2, characterized in that, Broken assembly (6) includes pressing plate (61), spring (62) and guide rod (63), pressing plate (61) is located above sieve plate (3), spring (62) is fixed between pressing plate (61) and sieve plate (3), the top of guide rod (63) is fixed with pressing plate (61), guide rod (63) penetrates sieve plate (3), spring (62) is covered on guide rod (63).
4. The cold bed for producing a crude salt according to claim 2 or 3, characterized by, The inner wall of upper box (1) is fixed with the reinforcing rib (7) for supporting sieve plate (3), and the reinforcing rib (7) is fixed at the bottom of the sieve plate (3).
5. The cold bed for producing raw salt according to claim 3, characterized in that, The distance between the pressing plate (61) and the sieve plate (3) becomes smaller and smaller along the conveying direction of the crude salt.
6. The cold bed for producing raw salt according to claim 1, wherein The side wall of lower box (2) is fixed with air inlet pipe (24), the top of upper box (1) is fixed with air outlet pipe (15), and the side wall of upper box (1) is installed with an access door (11).
7. The cold bed for producing raw salt according to claim 1, characterized in that, The bottom of lower box (2) is provided with a supporting leg (41), the side wall of lower box (2) is fixed with a connecting plate (42), the supporting leg (41) is fixed between the top of the connecting plate (42) and the buffer column (43), and the connecting rod (44) is fixed between the adjacent two supporting legs (41).