Preparation device of urea sulfate formaldehyde slurry

Abstract

The utility model relates to the technical field of compound fertilizer production, and discloses a preparation device of urea sulfate formaldehyde slurry, which comprises a batching ground groove, a sealing cover I is arranged above the batching ground groove, a sulfuric acid and urea feed port is fixedly arranged above the sealing cover I, a slurry feed port is fixedly arranged above the sealing cover II, and the sealing cover II is fixedly arranged above the slurry feed port. A reaction bin is arranged at the bottom of the second sealing cover, a heating bin is fixedly installed on the outer side of the reaction bin, a fourth conveying pipeline is fixedly installed at the bottom of the heat exchanger, and after slurry is pumped out by the submerged pump and conveyed into the heat exchanger through the first conveying pipeline, the slurry can be subjected to heat exchange by a condensing agent entering a third connecting pipe in the heat exchanger; at the moment, the condensing agent subjected to heat exchange enters a heating bin through a fourth conveying pipeline, the interior of a reaction bin is heated through the heating bin, meanwhile, slurry and formaldehyde injected from the interior of a formaldehyde conveying pipe are stirred and fused, and therefore the effect of waste heat utilization is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of compound fertilizer production, more specifically, the utility model relates to a kind of urea sulfate formaldehyde slurry's configuration device. BACKGROUND

[0002] Urea sulfate formaldehyde is the product of urea, sulfuric acid and formaldehyde reaction. It mainly contains nitrogen, sulfur and other nutrients required for plant growth, among which nitrogen element exists in the form of urea and reaction product, which can provide long-term effective nutrient supply for plant growth. In the existing production of urea sulfate formaldehyde, the reaction of sulfuric acid, water, urea and formaldehyde will generate a lot of heat, which is difficult to handle, affecting the service life of the device as a whole. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a kind of urea sulfate formaldehyde slurry's configuration device, with the advantage of effectively recycling heat.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of urea sulfate formaldehyde slurry's configuration device, including batching trough, the upper portion of the batching trough is equipped with sealing cover one, the upper portion of the sealing cover one is fixedly installed with sulfuric acid and urea feed inlet, the upper portion of the sealing cover one is equipped with process water feed inlet, the bottom of the batching trough is fixedly installed with motor one, the output end of the motor one is fixedly installed with connecting shaft, the outer side of the connecting shaft is fixedly installed with stirring rod one, the inside of the batching trough is fixedly installed with submersible pump, the outer side of the submersible pump is fixedly installed with conveying pipeline one, the end away from the submersible pump of the conveying pipeline one is fixedly installed with heat exchanger, the right side of the heat exchanger is fixedly installed with connecting pipe one, the right side of the connecting pipe one is fixedly installed with circulating pump one, the right side of the circulating pump one is fixedly installed with connecting pipe two, the bottom of the connecting pipe two is equipped with sealing cover two, the upper portion of the sealing cover two is fixedly installed with slurry feed inlet, the bottom of the sealing cover two is equipped with reaction bin, the outer side of the reaction bin is fixedly installed with heating bin, the bottom of the heat exchanger is fixedly installed with conveying pipeline four, the conveying pipeline four and heating bin are fixedly installed.

[0005] As a preferred technical scheme of the utility model, the bottom of the reaction bin is fixedly installed with conveying pipeline two, the left side of the conveying pipeline two is fixedly installed with circulating pump two, the left side of the circulating pump two is fixedly installed with conveying pipeline three, and the conveying pipeline three is fixedly connected with the batching trough.

[0006] As a preferred technical scheme of the utility model, the upper portion of the heat exchanger is fixedly installed with condensing inlet, the inside of the condensing inlet is fixedly installed with connecting pipe three, and the connecting pipe three.

[0007] As a preferred technical scheme of the utility model, the upper portion of the sealing cover two is fixedly installed with a motor two, the bottom of the motor two is fixedly installed with a fixed shaft, the outer side of the fixed shaft is fixedly installed with a scraper and a stirring rod two, the scraper has two, the two scrapers are in contact with the inner wall of the reaction bin, the stirring rod two has multiple, the multiple stirring rods two are located in the inside of the reaction bin.

[0008] As a preferred technical scheme of the utility model, the upper portion of the sealing cover two is fixedly installed with a fixed port, the inside of the fixed port is fixedly installed with a fixed plate, the upper portion of the fixed plate is fixedly installed with an extension rod, the outer side of the extension rod is sleeved with a spring, the upper portion of the spring is fixedly installed with a sealing plate, the inside of the fixed port is fixedly installed with a limiting ring, the limiting ring is located above the sealing plate.

[0009] As a preferred technical scheme of the utility model, the right side of the heating bin is fixedly installed with a connecting pipe four, the inside of the fixed port is fixedly installed with a formaldehyde conveying pipe.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、 the utility model discloses a liquid pump is fixedly installed in the inside of dosing tank, the outer side of the liquid pump is fixedly installed with a conveying pipeline no.

[0012] 2, the utility model discloses a fixed plate is fixedly installed in the inside of fixed mouth, the telescopic rod is fixedly installed above the fixed plate, the spring is sleeved with the outside of telescopic rod, the sealing plate is fixedly installed above the spring, meanwhile, the limit ring is fixedly installed in the inside of fixed mouth, and the limit ring is located above the sealing plate and contacts the sealing plate, the spring always provides the elastic force upwards to make the sealing plate seal the inside of limit ring, when formaldehyde enters the inside of fixed mouth from the inside of formaldehyde delivery pipe, will extrude the sealing plate, at this time, the sealing plate will make formaldehyde enter the inside of reaction bin through the action of the rope of telescopic rod, after injection, continue to seal fixed mouth, thereby reach the prevention formaldehyde leaks out and influences the whole environment for a long time, when the slurry and formaldehyde are in the inside of reaction bin, start motor no. 2 and make scraper and stirring rod no. 2 rotate fast, make the slurry and formaldehyde in the inside of reaction bin fully blend, and the scraper is scraped to the inner wall of reaction bin, prevent the slurry from remaining in the inside of reaction bin and be difficult to clean. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model;

[0014] Figure 2 It is batching ground trough structure schematic diagram of the utility model;

[0015] Figure 3 It is part structure sectional view of the utility model;

[0016] Figure 4 It is sealing cover structure schematic diagram of the utility model;

[0017] Figure 5 It is the A of the utility model Figure 4 Structure enlarged schematic diagram.

[0018] In the drawing: 1, batching ground trough;2, sealing cover one;3, sulfuric acid and urea feed port;4, process water feed port;5, motor one;6, connecting shaft;7, stirring rod one;8, submersible pump;9, delivery pipeline one;10, heat exchanger;11, connecting pipe one;12, circulating pump one;13, connecting pipe two;14, sealing cover two;15, slurry feed port;16, reaction bin;17, heating bin;18, delivery pipeline two;19, circulating pump two;20, delivery pipeline three;21, condensing inlet;22, connecting pipe three;23, delivery pipeline four;24, motor two;25, fixed shaft;26, scraper;27, stirring rod two;28, fixed mouth;29, fixed plate;30, telescopic rod;31, spring;32, sealing plate;33, limit ring;34, connecting pipe four;35, formaldehyde delivery pipe. DETAILED DESCRIPTION

[0019] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0020] As shown in Figures 1 to 5 The utility model provides a kind of urea sulphate formaldehyde slurry configuration device, including batching trough 1, the upper portion of batching trough 1 is equipped with sealing cover one 2, the upper portion of sealing cover one 2 is fixedly installed with sulphuric acid and urea feed port 3, sealing cover one 2 is equipped with process water feed port 4 in the upper portion, the bottom of batching trough 1 is fixedly installed with motor one 5, the output of motor one 5 is fixedly installed with connecting shaft 6, the outside of connecting shaft 6 is fixedly installed with stirring rod one 7, batching trough 1 is fixedly installed with liquid pump 8 in the inside, the outside of liquid pump 8 is fixedly installed with delivery pipeline one 9, delivery pipeline one 9 is fixedly installed with heat exchanger 10 in the end away from liquid pump 8, heat exchanger 10 is fixedly installed with connecting pipe one 11 on the right side, connecting pipe one 11 is fixedly installed with circulating pump one 12 on the right side, circulating pump one 12 is fixedly installed with connecting pipe two 13 on the right side, connecting pipe two 13 is equipped with sealing cover two 14 in the bottom, sealing cover two 14 is fixedly installed with slurry feed port 15 in the upper portion, sealing cover two 14 bottom is equipped with reaction bin 16, reaction bin 16 is fixedly installed with heating bin 17 on the outside, heat exchanger 10 is fixedly installed with delivery pipeline four 23 in the bottom, delivery pipeline four 23 and heating bin 17 are fixedly installed.

[0021] First, process water is injected from the inside of process water feed port 4 into the inside of batching trough 1, then sulphuric acid and urea are poured into the inside of batching trough 1, so that sulphuric acid reacts with urea and process water, while the heat generated by sulphuric acid melts urea, so that raw materials are fused, motor one 5 is started to drive stirring rod one 7 to rotate through connecting shaft 6, so that sulphuric acid and urea are fully fused, then liquid pump 8 is started to inject slurry in the inside of batching trough 1 into the inside of heat exchanger 10, so that the temperature of slurry is exchanged, achieving the effect of reducing the temperature of slurry.

[0022] Among them, the bottom of reaction bin 16 is fixedly installed with delivery pipeline two 18, the left side of delivery pipeline two 18 is fixedly installed with circulating pump two 19, the left side of circulating pump two 19 is fixedly installed with delivery pipeline three 20, delivery pipeline three 20 is fixedly connected with batching trough 1.

[0023] When the slurry is fully integrated with formaldehyde, start circulating pump two 19 to make the slurry in the reaction bin 16 be extracted through the conveying pipe two 18 to the inside of the conveying pipe three 20, and then enter the inside of the batching tank 1 through the conveying pipe three 20, so that the material in the batching tank 1 can be subjected to the next process.

[0024] The upper side of the heat exchanger 10 is fixedly installed with a condensing inlet 21, the inside of the condensing inlet 21 is fixedly installed with a connecting pipe three 22, and the connecting pipe three 22.

[0025] The main function of the connecting pipe three 22 is to inject a condensing agent into the inside of the heat exchanger 10, and the condensing agent exchanges heat with the slurry in the heat exchanger 10, so as to achieve the effect of rapidly cooling the slurry.

[0026] The upper side of the sealing cover two 14 is fixedly installed with a motor two 24, the bottom of the motor two 24 is fixedly installed with a fixed shaft 25, the outer side of the fixed shaft 25 is fixedly installed with a scraper 26 and a stirring rod two 27, the scraper 26 has two, the two scrapers 26 are in contact with the inner wall of the reaction bin 16, and the stirring rod two 27 has multiple, and the multiple stirring rod two 27 are located in the inside of the reaction bin 16.

[0027] Start the motor two 24 to drive the two scrapers 26 and the multiple stirring rod two 27 to rotate rapidly, so that the slurry and the formaldehyde in the reaction bin 16 are fully integrated, and the two scrapers 26 are scraped on the inner wall of the reaction bin 16 to prevent the slurry from being difficult to clean in the inside of the reaction bin 16.

[0028] The upper side of the sealing cover two 14 is fixedly installed with a fixed port 28, the inside of the fixed port 28 is fixedly installed with a fixed plate 29, the upper side of the fixed plate 29 is fixedly installed with an extension rod 30, the outer side of the extension rod 30 is sleeved with a spring 31, the upper side of the spring 31 is fixedly installed with a sealing plate 32, the inside of the fixed port 28 is fixedly installed with a limiting ring 33, and the limiting ring 33 is located above the sealing plate 32.

[0029] The limiting ring 33 limits the extension rod 30, and the extension rod 30 seals the inside of the fixed port 28, so that when the formaldehyde is injected into the inside of the reaction bin 16, the smell of the formaldehyde is prevented from flowing out along the fixed port 28, thereby improving the production safety.

[0030] The right side of the heating bin 17 is fixedly installed with a connecting pipe four 34, and the inside of the fixed port 28 is fixedly installed with a formaldehyde conveying pipe 35.

[0031] Formaldehyde is injected into the inside of the reaction bin 16 through the formaldehyde conveying pipe 35, so that the formaldehyde is fully mixed with the slurry; meanwhile, the main function of the connecting pipe four 34 is to heat the inside of the reaction bin 16 after the condensed agent after heat exchange enters the inside of the heating bin 17, so that the effect of waste heat utilization is achieved, and the condensed agent after cooling is discharged from the inside of the connecting pipe four 34, so that the effect of recycling is achieved.

[0032] The working principle and use process of the utility model are as follows:

[0033] Firstly, the process water is injected into the inside of the batching tank 1 from the inside of the process water feed inlet 4, then the sulfuric acid and the urea are poured into the inside of the batching tank 1, so that the sulfuric acid reacts with the urea and the process water, and the heat generated by the sulfuric acid melts the urea, so that the raw materials are mixed; the motor one 5 is started to drive the stirring rod one 7 to rotate through the connecting shaft 6, so that the sulfuric acid and the urea are fully mixed;

[0034] Subsequently, the liquid pump 8 is fixedly installed in the inside of the batching tank 1, the conveying pipeline one 9 is fixedly installed on the outer side of the liquid pump 8, the heat exchanger 10 is fixedly installed at one end of the conveying pipeline one 9 away from the liquid pump 8, the conveying pipeline four 23 is fixedly installed at the bottom of the heat exchanger 10, and the other end of the conveying pipeline four 23 away from the heat exchanger 10 is fixedly connected with the heating bin 17; after the slurry is pumped out by the liquid pump 8 and transmitted to the inside of the heat exchanger 10 through the conveying pipeline one 9, the slurry is heat-exchanged by the condensed agent entering the inside of the connecting pipe three 22, at this time, the condensed agent after heat exchange enters the inside of the heating bin 17 through the conveying pipeline four 23, so that the inside of the reaction bin 16 is heated by the heating bin 17, and the slurry is stirred and mixed with the formaldehyde injected from the inside of the formaldehyde conveying pipe 35, so that the effect of waste heat utilization is achieved;

[0035] Secondly, the fixed plate 29 is fixedly installed in the inside of the fixed port 28, the telescopic rod 30 is fixedly installed above the fixed plate 29, the spring 31 is sleeved on the outer side of the telescopic rod 30, the sealing plate 32 is fixedly installed above the spring 31, the limiting ring 33 is fixedly installed in the inside of the fixed port 28, the limiting ring 33 is located above the sealing plate 32 and contacts the sealing plate 32, the spring 31 always provides upward elastic force to seal the inside of the limiting ring 33, when the formaldehyde enters the inside of the fixed port 28 from the inside of the formaldehyde conveying pipe 35, the sealing plate 32 is extruded, at this time, the sealing plate 32 enters the inside of the reaction bin 16 through the rope effect of the telescopic rod 30, and the fixed port 28 is sealed after injection, so that the formaldehyde is prevented from leaking out for a long time to affect the overall environment,

[0036] Finally when the slurry and formaldehyde are reacted in the interior of the reaction bin 16, the motor 2 is started to drive the scraper 26 and the stirring rod 2 to rotate rapidly, so that the slurry and formaldehyde in the interior of the reaction bin 16 are fully mixed, and the scraper 26 scrapes the inner wall of the reaction bin 16 to prevent the slurry from remaining in the interior of the reaction bin 16 and being difficult to clean.

[0037] It is to be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, 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 can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for preparing urea-formaldehyde sulphate feedstock, comprising a feed preparation tank (1), characterised in that: The upper part of the batching trough (1) is provided with a sealing cover I (2), the upper part of the sealing cover I (2) is fixedly installed with a sulfuric acid and urea feeding port (3), the upper part of the sealing cover I (2) is provided with a process water feeding port (4), the bottom of the batching trough (1) is fixedly installed with a motor I (5), the output end of the motor I (5) is fixedly installed with a connecting shaft (6), the outer side of the connecting shaft (6) is fixedly installed with a stirring rod I (7), the inside of the batching trough (1) is fixedly installed with a submersible pump (8), the outer side of the submersible pump (8) is fixedly installed with a conveying pipeline I (9), the end, away from the submersible pump (8), of the conveying pipeline I (9) is fixedly installed with a heat exchanger (10), the right side of the heat exchanger (10) is fixedly installed with a connecting pipe I (11), the right side of the connecting pipe I (11) is fixedly installed with a circulating pump I (12), the right side of the circulating pump I (12) is fixedly installed with a connecting pipe II (13), the bottom of the connecting pipe II (13) is provided with a sealing cover II (14), the upper part of the sealing cover II (14) is fixedly installed with a slurry feeding port (15), the bottom of the sealing cover II (14) is provided with a reaction bin (16), the outer side of the reaction bin (16) is fixedly installed with a heating bin (17), the bottom of the heat exchanger (10) is fixedly installed with a conveying pipeline IV (23), and the conveying pipeline IV (23) and the heating bin (17) are fixedly installed.

2. The apparatus for preparing urea-formaldehyde sulphate slurry according to claim 1, wherein: The bottom of the reaction bin (16) is fixedly installed with a conveying pipeline II (18), the left side of the conveying pipeline II (18) is fixedly installed with a circulating pump II (19), the left side of the circulating pump II (19) is fixedly installed with a conveying pipeline III (20), and the conveying pipeline III (20) is fixedly connected with the batching trough (1).

3. The apparatus for preparing urea-formaldehyde sulphate slurry according to claim 1, wherein: The upper part of the heat exchanger (10) is fixedly installed with a condensing inlet (21), the inside of the condensing inlet (21) is fixedly installed with a connecting pipe III (22), and the connecting pipe III (22).

4. The apparatus of claim 1, wherein: The upper part of the sealing cover II (14) is fixedly installed with a motor II (24), the bottom of the motor II (24) is fixedly installed with a fixed shaft (25), the outer side of the fixed shaft (25) is fixedly installed with a scraper (26) and a stirring rod II (27), the scraper (26) has two, both the two scrapers (26) are in contact with the inner wall of the reaction bin (16), and the stirring rod II (27) has a plurality of, and the plurality of stirring rods II (27) are located inside the reaction bin (16).

5. The apparatus for preparing urea-formaldehyde sulfate slurry according to claim 2, characterized in that: The upper part of the sealing cover II (14) is fixedly installed with a fixed port (28), the inside of the fixed port (28) is fixedly installed with a fixed plate (29), the upper part of the fixed plate (29) is fixedly installed with a telescopic rod (30), the outer side of the telescopic rod (30) is sleeved with a spring (31), the upper part of the spring (31) is fixedly installed with a sealing plate (32), the inside of the fixed port (28) is fixedly installed with a limiting ring (33), and the limiting ring (33) is located above the sealing plate (32).

6. A urea sulphate formaldehyde feedstock slurry configuration apparatus according to claim 5, wherein: The right side of the heating bin (17) is fixedly provided with a connecting pipe four (34), and the inner side of the fixed port (28) is fixedly provided with a formaldehyde delivery pipe (35).

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