Sodium bicarbonate wet decomposition crystallization tower

Abstract

The utility model relates to the technical field of crystallization towers, and discloses a sodium bicarbonate wet decomposition crystallization tower. The sodium bicarbonate wet decomposition crystallization tower comprises a crystallization tower mechanism, a discharging bin is arranged on the bottom wall of the crystallization tower mechanism, a discharging opening is formed in the right side wall of the discharging bin, a discharging hopper is arranged on the bottom wall of an inner cavity of the discharging bin, an acting groove is formed in the bottom of the discharging hopper, and clamping frames are arranged on the front side wall and the rear side wall of an inner cavity of the acting groove. According to the scheme, the crystallization tower mechanism, the discharging bin, the discharging hopper and other devices are arranged to be matched, so that produced sodium bicarbonate can be conveniently discharged through the device, accumulated sodium bicarbonate can be conveniently discharged out of an inner cavity of the device, and subsequent packaging and packaging are facilitated; through cooperation of the tower body, the sodium bicarbonate mixing section, the steam stripping section and other devices, the device can directly use sodium bicarbonate to prepare heavy soda ash, the manufacturing process of light soda ash is omitted, energy consumption is saved, and the cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of crystallization towers, in particular to a heavy alkali wet decomposition crystallization tower. Background Art

[0002] Heavy soda ash is a chemical substance, a white granular anhydrous substance, easily soluble in water. When exposed to the air at room temperature, it can absorb CO2 and water and release heat, gradually turning into NaHCO3 and agglomerating. Heavy soda ash has the characteristics of high bulk density, uniform particle size, not easy to fly, good fluidity, etc., and is deeply welcomed by downstream users of soda ash. The products prepared by the existing crystallization tower are easy to accumulate in the inner cavity of the device, which makes it difficult to discharge the materials and is not conducive to packaging. Therefore, we propose a heavy soda wet decomposition crystallization tower. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a heavy alkali wet decomposition crystallization tower, which effectively solves the problem that the products prepared by the existing crystallization tower are easily accumulated in the inner cavity of the device, making it difficult to discharge the materials and not conducive to packaging by personnel.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heavy alkali wet decomposition crystallization tower, comprising a crystallization tower mechanism, the bottom wall of the crystallization tower mechanism is provided with a lower material bin, the right side wall of the lower material bin is provided with a discharge port, the bottom wall of the inner cavity of the lower material bin is provided with a lower hopper, the bottom of the lower hopper is provided with an action groove, the front and rear side walls of the inner cavity of the action groove are provided with a clamping frame, the clamping frame is L-shaped, the front and rear side walls of the inner cavity of the lower hopper are provided with a closed door, the clamping frame is located on the right side wall of the closed door, the bottom wall of the lower material bin is provided with an electric push rod, and the telescopic end of the electric push rod is located on the left side of the bottom wall of the clamping frame.

[0005] Preferably, the crystallization tower mechanism comprises a tower body, the top wall of the inner cavity of the tower body is provided with a heavy alkali mixing section, the bottom wall of the heavy alkali mixing section is provided with a stripping section, the bottom wall of the stripping section is provided with an evaporation concentration section, the bottom wall of the evaporation concentration section is provided with a centrifugal drying section, and the bottom wall of the centrifugal drying section is provided with a calcination section.

[0006] Preferably, a rotating wheel is provided at the telescopic end of the electric push rod, and the rotating wheel is located on the bottom wall of the clamping frame.

[0007] Preferably, a spring is arranged on the left side of the top wall of the clamping frame, and the top end of the spring is arranged on the top wall of the inner cavity of the action groove.

[0008] Preferably, a counterweight bar is provided on the lower side of the right side wall of the closed door, and the counterweight bar is located on the upper side of the clamping frame.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The heavy alkali wet decomposition crystallization tower can facilitate the discharge of the produced heavy alkali by arranging a crystallization tower mechanism, a material discharge bin, a material discharge hopper and other devices, and is conducive to discharging the accumulated heavy alkali out of the inner cavity of the device, so as to facilitate the subsequent packaging bagging;

[0011] 2. The heavy alkali wet decomposition crystallization tower can directly use heavy alkali to prepare heavy soda ash by arranging the tower body, heavy alkali mixing section and stripping section and other devices, thereby eliminating the manufacturing process of light soda ash, saving energy consumption and reducing costs;

[0012] 3. The heavy alkali wet decomposition crystallization tower can make the device roll on the bottom wall of the clamping frame by arranging a rotating wheel, a clamping frame and a lower hopper. The rolling of the rotating wheel avoids friction between the electric push rod and the clamping frame, which is beneficial to improving the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic cross-sectional view of the lower bin of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the runner of the utility model;

[0018] In the figure: 100, crystallization tower mechanism; 101, discharge bin; 102, discharge hopper; 103, clamping frame; 104, closing door; 105, electric push rod; 106, tower body; 107, heavy alkali mixing section; 108, stripping section; 109, evaporation concentration section; 110, centrifugal drying section; 111, calcination section; 112, rotor; 113, spring; 114, counterweight bar. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Reason Figure 1 , Figure 2 sum Figure 3The utility model provides a heavy alkali wet decomposition crystallization tower, the bottom wall of the crystallization tower mechanism 100 is fixedly connected with a lower bin 101, and the lower bin 101 is provided to facilitate supporting the lower hopper 102, and a discharge port is provided on the right side wall of the lower bin 101, and the bottom wall of the inner cavity of the lower bin 101 is rotatably connected with the lower hopper 102, and the produced raw materials can be temporarily stored through the lower hopper 102, and can be discharged when tilted, and an action groove is provided at the bottom of the lower hopper 102, and the front and rear side walls of the inner cavity of the action groove are rotatably connected with a clamping frame 103, and the clamping frame 103 is convenient for clamping and limiting the closed door 104, and the clamping frame 103 is L-shaped, and the front and rear side walls of the inner cavity of the lower hopper 102 are rotatably connected with the closed door 104, through the closed The door 104 is opened and closed for easy discharging. The clamping frame 103 is located on the right side wall of the closed door 104. The bottom wall of the lower material bin 101 is fixedly connected with an electric push rod 105, which is convenient for driving the lower hopper 102 to rotate. The telescopic end of the electric push rod 105 is located on the left side of the bottom wall of the clamping frame 103. After the product is prepared, it is transported to the inner cavity of the lower hopper 102, and the clamping frame 103 is pushed and rotated by the electric push rod 105. The clamping frame 103 is rotated to release the clamping limit of the closed door 104, and the closed door 104 is rotated and opened for discharging. The inclined lower hopper 102 is convenient for discharging. After the discharging is completed, the lower hopper 102 rotates in the opposite direction, and the closed door 104 is rotated and closed by gravity, so that The device is convenient for discharging the produced heavy alkali, and is conducive to discharging the accumulated heavy alkali out of the inner cavity of the device, so as to facilitate the subsequent packaging. The crystallization tower mechanism 100 includes a tower body 106, the top wall of the inner cavity of the tower body 106 is provided with a heavy alkali mixing section 107, the bottom wall of the heavy alkali mixing section 107 is provided with a stripping section 108, the bottom wall of the stripping section 108 is provided with an evaporation concentration section 109, the bottom wall of the evaporation concentration section 109 is provided with a centrifugal drying section 110, and the bottom wall of the centrifugal drying section 110 is provided with a calcination section 111; the heavy alkali is mixed with water through the heavy alkali mixing section 107 at the top of the tower body 106 to obtain a sodium bicarbonate solution or slurry, and then the sodium bicarbonate solution or slurry is stripped by steam in the stripping section 108 to obtain a sodium bicarbonate solution or slurry. Sodium bicarbonate is decomposed into sodium carbonate, carbon dioxide and water, and then a stripping finished liquid is obtained. At the same time, some impurities in heavy alkali can be removed, and finally the quality of heavy soda ash product is improved. Then, the stripping finished liquid is concentrated through the evaporation concentration section 109 to obtain sodium carbonate monohydrate slurry. Then, the sodium carbonate monohydrate slurry enters a centrifuge to dry water through the centrifugal drying section 110 to obtain sodium carbonate monohydrate crystals. Finally, the sodium carbonate monohydrate crystals enter a calcining furnace for heating through the calcining section 111 to obtain a heavy sodium carbonate product. The device directly uses heavy alkali to prepare heavy soda ash, eliminating the manufacturing process of light soda ash, saving energy consumption and reducing costs. The telescopic end of the electric push rod 105 is fixedly connected with a rotating wheel 112, and the rotating wheel 112 is located on the bottom wall of the clamping frame 103;The rotating wheel 112 is provided to facilitate rolling on the bottom wall of the clamping frame 103. The rolling of the rotating wheel 112 avoids friction between the electric push rod 105 and the clamping frame 103, which is beneficial to improving the service life of the device. The left side of the top wall of the clamping frame 103 is fixedly connected with a spring 113, and the top of the spring 113 is fixedly connected to the top wall of the inner cavity of the action groove; the spring 113 is provided to facilitate the clamping frame 103 to rotate by its elastic force, so that the clamping frame 103 can be reset and clamped. The lower side of the right side wall of the closed door 104 is fixedly connected with a counterweight bar 114, and the counterweight bar 114 is located on the upper side of the clamping frame 103; the counterweight bar 114 is provided to facilitate increasing the weight of the lower side of the closed door 104, so that the closed door 104 can be rotated and reset. ;

[0021] Working principle: The heavy alkali is mixed with water through the heavy alkali mixing section 107 at the top of the tower body 106 to obtain a sodium bicarbonate solution or slurry, and then the sodium bicarbonate solution or slurry is stripped by steam in the stripping section 108, and the sodium bicarbonate is decomposed into sodium carbonate, carbon dioxide and water, thereby obtaining a stripping finished liquid, and at the same time, some impurities in the heavy alkali can be removed, and finally the quality of the heavy soda ash product is improved, and then the stripping finished liquid is concentrated through the evaporation concentration section 109 to obtain sodium carbonate monohydrate slurry, and then the sodium carbonate monohydrate slurry enters the centrifuge to dry the water through the centrifugal drying section 110 to obtain sodium carbonate monohydrate crystals, and finally the sodium carbonate monohydrate crystals enter the calcining furnace for heating through the calcining section 111. , a heavy sodium carbonate product is obtained, so that the device directly uses heavy alkali to prepare heavy soda ash, eliminating the manufacturing process of light soda ash, saving energy consumption, and reducing costs. After the product is prepared, it is transported to the inner cavity of the lower hopper 102, and the electric push rod 105 is telescopically pushed to rotate the clamping frame 103, and the clamping frame 103 is rotated to release the clamping limit of the closed door 104, and the closed door 104 is rotated and opened for discharging. The inclined lower hopper 102 is convenient for discharging. After the discharging is completed, the lower hopper 102 rotates in the opposite direction, and the closed door 104 is rotated and closed by gravity, so that the device can be convenient for discharging the produced heavy alkali, which is beneficial to discharge the accumulated heavy alkali out of the inner cavity of the device, and is convenient for subsequent packaging.

Claims

1. A heavy alkali wet decomposition crystallization tower, comprising a crystallization tower mechanism (100), characterized in that: The bottom wall of the crystallization tower mechanism (100) is provided with a lower material bin (101), the right side wall of the lower material bin (101) is provided with a discharge port, the bottom wall of the inner cavity of the lower material bin (101) is provided with a lower material hopper (102), the bottom of the lower material hopper (102) is provided with an action groove, the front and rear side walls of the inner cavity of the action groove are provided with a clamping frame (103), the clamping frame (103) is arranged in an L shape, the front and rear side walls of the inner cavity of the lower material hopper (102) are provided with a closed door (104), the clamping frame (103) is located on the right side wall of the closed door (104), the bottom wall of the lower material bin (101) is provided with an electric push rod (105), and the telescopic end of the electric push rod (105) is located on the left side of the bottom wall of the clamping frame (103).

2. A heavy alkali wet decomposition crystallization tower according to claim 1, characterized in that: The crystallization tower mechanism (100) comprises a tower body (106); a heavy alkali mixing section (107) is arranged on the top wall of the inner cavity of the tower body (106); a stripping section (108) is arranged on the bottom wall of the heavy alkali mixing section (107); an evaporation concentration section (109) is arranged on the bottom wall of the stripping section (108); a centrifugal drying section (110) is arranged on the bottom wall of the evaporation concentration section (109); and a calcination section (111) is arranged on the bottom wall of the centrifugal drying section (110).

3. A heavy alkali wet decomposition crystallization tower according to claim 1, characterized in that: The telescopic end of the electric push rod (105) is provided with a rotating wheel (112), and the rotating wheel (112) is located on the bottom wall of the clamping frame (103).

4. A heavy alkali wet decomposition crystallization tower according to claim 1, characterized in that: A spring (113) is arranged on the left side of the top wall of the clamping frame (103), and the top end of the spring (113) is arranged on the top wall of the inner cavity of the action groove.

5. A heavy alkali wet decomposition crystallization tower according to claim 1, characterized in that: A counterweight bar (114) is provided on the lower side of the right side wall of the closed door (104), and the counterweight bar (114) is located on the upper side of the clamping frame (103).

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