CN210645202U

CN210645202U - Ammonium chloride vacuum suction filtration device

Info

Publication number: CN210645202U
Application number: CN201920921193.2U
Authority: CN
Inventors: 周宗模
Original assignee: Sichuan Province Shifang City Agricultural Chemical Co ltd
Current assignee: Sichuan Province Shifang City Agricultural Chemical Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-06-02
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses an ammonium chloride vacuum filtration device, including the knockout drum, the inside of knockout drum corresponds from top to bottom and sets up to crystallization district and stock solution district, keep apart through the mode of filter plate between crystallization district and the stock solution district, the inside in stock solution district has stored the separator, the upper end of knockout drum is fixed with the top cap, correspond from a left side to the right side on the top cap and install gear motor, carbon dioxide intake pipe and mother liquor feed liquor pipe, the draw-in groove has been seted up in proper order to the upper end of knockout drum, the outer department of following of top cap is provided with the buckle, connect through the mode lock of buckle and draw-in groove between top cap and the knockout drum. The utility model discloses a set up knockout drum, crystallization zone, exhaust tube, water ring vacuum pump, liquid storage district, gear motor, PLC controller, filter plate, level sensor, top cap, handle, buckle, draw-in groove and cushion, solved ammonium chloride crystal forming's speed slow and the device is not convenient for overhaul the problem.

Description

Ammonium chloride vacuum suction filtration device

Technical Field

The utility model relates to a chemical industry equipment technical field specifically is an ammonium chloride vacuum filtration device.

Background

Ammonium chloride (ammonium chloride) refers to the ammonium salt of hydrochloric acid and is often a by-product of the alkali manufacturing industry. The fertilizer contains 24-26% of nitrogen, is white or yellowish square or octahedral small crystals, has two dosage forms of powder and granules, and the granular ammonium chloride is not easy to absorb moisture and easy to store, and is mostly used as a basic fertilizer for producing compound fertilizers. The process adopted in the prior art for producing ammonium chloride is a combined soda process, namely, ammonia gas is introduced into a saturated sodium chloride aqueous solution, and the clarified mother liquor is cooled, filtered and crystallized to obtain the ammonium chloride. However, this approach has certain drawbacks and disadvantages.

Through the search, patent publication No. CN206337029U provides a separator that preparation ammonium chloride used, includes the crystallizer, and the crystallizer divide into the triplex from top to bottom: the crystallization device comprises a lead-in area, a stirring area and a crystallization area, wherein the crystallization area is in an inverted cone shape with an opening at the bottom, and a rotating shaft is arranged in the center of the top of a crystallization tank.

The separating device for preparing ammonium chloride in the prior art has the following defects:

1. the device has poor filtering effect, slow ammonium chloride crystallization forming speed and poor production efficiency;

2. the device dismouting is inconvenient, comparatively hard when overhauing, extravagant cost of labor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an ammonium chloride vacuum filtration device has solved the problem that the fashioned speed of ammonium chloride crystallization is slow and the device is not convenient for overhaul.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ammonium chloride vacuum filtration device, includes the knockout drum, the inside of knockout drum corresponds from top to bottom and sets up to crystallization district and stock solution district, keep apart through the mode of filter plate between crystallization district and the stock solution district, the inside in stock solution district has stored the separator, the upper end of knockout drum is fixed with the top cap, correspond from a left side to the right side on the top cap and install gear motor, carbon dioxide intake pipe and mother liquor feed liquor pipe, the draw-in groove has been seted up in proper order to the upper end of knockout drum, the outer department of following of top cap is provided with the buckle, connect through the mode lock of buckle and draw-in groove between top cap and the knockout drum, install water ring vacuum pump on the outer wall of knockout drum, water ring vacuum pump's input port connection has the exhaust tube, the exhaust tube extends to the upper portion.

Preferably, be fixed with the axostylus axostyle on the output shaft of gear motor lower extreme, the axostylus axostyle extends to the inside in crystallization district, and the outside of axostylus axostyle has welded stirring vane in proper order, carbon dioxide intake pipe and mother liquor feed liquor pipe all extend to the inside in crystallization district.

Preferably, the junction of knockout drum and top cap is provided with the cushion, the last fixed surface of top cap has the handle, and the handle is provided with two.

Preferably, the bottom of the crystallization area is provided with a discharge hole.

Preferably, the bottom in liquid storage district is connected with the drain pipe, the internally mounted of drain pipe has a drain valve, and the end of drain pipe is external to have a circulation liquid case.

Preferably, an anti-overflow valve is installed inside the exhaust pipe, and a drying net is arranged at the tail end of the exhaust pipe.

Preferably, the externally mounted of knockout drum has the PLC controller, the internally mounted in liquid storage district has level sensor, level sensor's output is connected with the input electricity of PLC controller, and the output of PLC controller is connected with the input electricity of water ring vacuum pump.

Preferably, foot pads are sequentially arranged at the lower end of the separation tank.

(III) advantageous effects

The utility model provides an ammonium chloride vacuum filtration device possesses following beneficial effect:

(1) the utility model discloses a set up exhaust tube and water ring vacuum pump, the utility model discloses at the externally mounted water ring vacuum pump in stock solution district, the mode that during operation water ring vacuum pump passes through the exhaust tube causes the negative pressure to the upper portion in stock solution district, and then the flow of the separation liquid of being convenient for increases the speed of ammonium chloride crystallization, and then hoisting device's production efficiency has solved the slow problem of device work efficiency, and the exhaust tube extends to the upper portion in stock solution district, and the drying net is installed to the one end of exhaust tube, can prevent that moisture from flowing into the exhaust tube.

(2) The utility model discloses a set up top cap, handle, buckle, draw-in groove and cushion, the utility model discloses a top cap is easily opened the installation, and is simple and convenient, maintains simply, and reducible installation is with time spent to reduce its cost of overhaul, solved the problem of the dismouting of being not convenient for of device, the top cap passes through the mode of joint and is connected fixedly with the knockout drum, gear motor, carbon dioxide intake pipe and mother liquor feed liquor pipe all install on the top cap, the in-service use of the device of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the separator tank of the present invention;

fig. 3 is a schematic structural view of the middle exhaust tube of the present invention.

The reference numbers in the figures are: 1. a separation tank; 2. a crystallization zone; 3. a stirring blade; 4. a discharge port; 5. an air exhaust pipe; 6. a water-ring vacuum pump; 7. a foot pad; 8. a liquid storage area; 9. separating the liquid; 10. a liquid outlet pipe; 11. a circulating liquid tank; 12. a reduction motor; 13. a carbon dioxide inlet pipe; 14. a mother liquor inlet pipe; 15. a shaft lever; 16. a PLC controller; 17. filtering the plate; 18. a liquid level sensor; 19. a liquid outlet valve; 20. a top cover; 21. a handle; 22. buckling; 23. a card slot; 24. a soft cushion; 25. an anti-overflow valve; 26. and drying the net.

Detailed Description

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

As shown in fig. 1-3, the utility model provides a technical solution: a vacuum filtration device for ammonium chloride comprises a separation tank 1, wherein a crystallization area 2 and a liquid storage area 8 are correspondingly arranged in the separation tank 1 from top to bottom, the crystallization area 2 and the liquid storage area 8 are isolated by a filter plate 17, the filter plate 17 is convenient for crystallization forming of ammonium chloride, a discharge port 4 is formed in the bottom of the crystallization area 2 and is convenient for discharging, a separation liquid 9 is stored in the liquid storage area 8, a liquid outlet pipe 10 is connected to the bottom of the liquid storage area 8, a liquid outlet valve 19 is arranged in the liquid outlet pipe 10 and is convenient to control, a circulating liquid tank 11 is externally connected to the tail end of the liquid outlet pipe 10 and is convenient for subsequent circulating treatment and resource saving, a top cover 20 is fixed at the upper end of the separation tank 1, a speed reducing motor 12, a carbon dioxide inlet pipe 13 and a mother liquid inlet pipe 14 are correspondingly arranged on the top cover 20 from left to right, a shaft lever 15 is fixed on an output shaft at the, and the stirring blades 3 are welded outside the shaft lever 15 in sequence, the rotation of the stirring blades 3 can promote the formation of ammonium chloride crystals, the carbon dioxide gas inlet pipe 13 and the mother liquor inlet pipe 14 both extend to the inside of the crystallization area 2, the upper end of the separation tank 1 is provided with a clamping groove 23 in sequence, the outer edge of the top cover 20 is provided with a buckle 22, the top cover 20 and the separation tank 1 are buckled and connected in a mode of the buckle 22 and the clamping groove 23, so that the separation and the assembly are convenient, meanwhile, a soft cushion 24 is arranged at the joint of the separation tank 1 and the top cover 20 to play a role in pressure relief, a handle 21 is fixed on the upper surface of the top cover 20, the two handles 21 are provided to facilitate the handheld operation, meanwhile, a water ring type vacuum pump 6 is installed on the outer wall of the separation tank 1, an inlet port of the water ring type vacuum pump 6 is connected with an air, and the end of the extraction pipe 5 is provided with a drying net 26, the exterior of the separation tank 1 is provided with a PLC (programmable logic controller) 16, the model of the PLC 16 is S7-400, the separation tank is the known prior art, the interior of the liquid storage area 8 is provided with a liquid level sensor 18, the model of the liquid level sensor 18 is UQZ-01-2000, when the separation tank works, the output end of the liquid level sensor 18 is electrically connected with the input end of the PLC 16, the output end of the PLC 16 is electrically connected with the input end of the water-ring vacuum pump 6, and the lower end of the separation tank 1 is sequentially provided with a foot pad 7.

The working principle is as follows: when in use, mother liquor enters the separation tank 1 through a mother liquor inlet pipe 14, then carbon dioxide gas is introduced through a carbon dioxide inlet pipe 13, a speed reduction motor 12 is started, so that a stirring blade 3 stirs raw materials to promote the formation of ammonium chloride crystals, meanwhile, a water ring vacuum pump 6 works, negative pressure is caused on the upper part of a liquid storage area 8 through an exhaust pipe 5, the pressure on the upper part of the liquid storage area 8 is reduced, the downward flow of separation liquid 9 is facilitated, the formation speed of the ammonium chloride crystals is increased, the formed crystals are attached to the inside of a crystallization area 2 and can be cleaned out through a discharge port 4, meanwhile, a liquid level sensor 18 can sense the liquid level information inside the liquid storage area 8 and transmit signals to a PLC (programmable logic controller) 16, the PLC 16 controls the operation of the water ring vacuum pump 6 to prevent overflow inside the exhaust pipe 5, the top cover 20 is fixed on the top end of the separation tank 1 through a clamping manner, during installation, the buckles 22 correspond to the clamping grooves 23 one by one, and the fixing is direct, so that the cushion 24 can reduce the friction collision between the top cover 20 and the separating tank 1, and the using effect is good.

To sum up, the utility model discloses a set up knockout drum 1, crystallization zone 2, exhaust tube 5, water ring vacuum pump 6, stock solution district 8, gear motor 12, PLC controller 16, filter plate 17, level sensor 18, top cap 20, handle 21, buckle 22, draw-in groove 23 and cushion 24, solved the problem that the speed of ammonium chloride crystal forming is slow and the device is not convenient for overhaul.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ammonium chloride vacuum filtration device, includes knockout drum (1), its characterized in that: the device is characterized in that a crystallization area (2) and a liquid storage area (8) are correspondingly arranged in the separation tank (1) up and down, the crystallization area (2) and the liquid storage area (8) are isolated by a filter plate (17), separation liquid (9) is stored in the liquid storage area (8), a top cover (20) is fixed at the upper end of the separation tank (1), a speed reducing motor (12), a carbon dioxide air inlet pipe (13) and a mother liquid inlet pipe (14) are correspondingly installed on the top cover (20) from left to right, a clamping groove (23) is sequentially formed in the upper end of the separation tank (1), a buckle (22) is arranged at the outer edge of the top cover (20), the top cover (20) and the separation tank (1) are connected by the buckles (22) and the clamping groove (23), a water ring vacuum pump (6) is installed on the outer wall of the separation tank (1), an input port of the water ring vacuum pump (6) is connected with an exhaust pipe (5), the air suction pipe (5) extends to the upper part of the liquid storage area (8).

2. The ammonium chloride vacuum filtration device according to claim 1, characterized in that: be fixed with axostylus axostyle (15) on the output shaft of gear motor (12) lower extreme, axostylus axostyle (15) extend to the inside in crystallization district (2), and the outside of axostylus axostyle (15) has welded stirring vane (3) in proper order, carbon dioxide intake pipe (13) and mother liquor feed pipe (14) all extend to the inside in crystallization district (2).

3. The ammonium chloride vacuum filtration device according to claim 1, characterized in that: the separating tank is characterized in that a soft cushion (24) is arranged at the joint of the separating tank (1) and the top cover (20), a handle (21) is fixed on the upper surface of the top cover (20), and two handles (21) are arranged.

4. The ammonium chloride vacuum filtration device according to claim 1, characterized in that: and a discharge hole (4) is formed in the bottom of the crystallization area (2).

5. The ammonium chloride vacuum filtration device according to claim 1, characterized in that: the bottom in liquid storage district (8) is connected with drain pipe (10), the internally mounted of drain pipe (10) has drain valve (19), and the end of drain pipe (10) is external to have circulation liquid case (11).

6. The ammonium chloride vacuum filtration device according to claim 1, characterized in that: an anti-overflow valve (25) is installed inside the air exhaust pipe (5), and a drying net (26) is arranged at the tail end of the air exhaust pipe (5).

7. The ammonium chloride vacuum filtration device according to claim 1, characterized in that: the external mounting of knockout drum (1) has PLC controller (16), the internally mounted of liquid storage district (8) has level sensor (18), the output of level sensor (18) is connected with the input electricity of PLC controller (16), and the output of PLC controller (16) is connected with the input electricity of water ring vacuum pump (6).

8. The ammonium chloride vacuum filtration device according to claim 1, characterized in that: the lower end of the separation tank (1) is sequentially provided with a foot pad (7).