CN115300931B - Waste water utilization device in ammonium sulfate production and use method thereof - Google Patents

Abstract

The invention relates to the field of chemical industry, in particular to a waste water utilization device in ammonium sulfate production and a using method thereof, wherein the waste water utilization device comprises a condenser and two crystallization reactors; a connecting pipe disposed between the two crystallization reactors; one end of each guide pipe is fixedly connected with the side surface of the connecting pipe, the other end of one guide pipe is communicated with a pipeline for conveying acid water, and the other end of the other guide pipe is communicated with a pipeline for conveying liquid ammonia; a switching part for communicating the guide pipe with one of the crystallization reactors while isolating the guide pipe from the other crystallization reactor; one side pipe is communicated with an inlet of the condenser, and the other side pipe is communicated with an outlet of the condenser; the jacking pipe is arranged at the top end of the crystallization reactor; the vertical plate and a rotating part arranged on the front side surface of the vertical plate are used for driving the condenser to rotate; and the communication part is used for communicating the top pipe with the side pipe. The invention can fully utilize the raw materials and effectively reduce the waste of the raw materials.

Description

Wastewater utilization device in ammonium sulfate production and use method thereof

Technical Field

The invention relates to the field of chemical industry, in particular to a waste water utilization device in ammonium sulfate production and a use method thereof.

Background

In the production process of methyl methacrylate, a large amount of acid water can be generated, and in order to make full use of the acid water, enough liquid ammonia can be introduced into the acid water and reacts in a crystallization reactor to generate ammonium sulfate.

In the patent with the application number of CN201610682844.8 and the patent name of the resource treatment method of the ammonium sulfate crystal clear mother liquor wastewater in the MMA production process, the pH =4 to 5 of the ammonium sulfate crystal clear mother liquor is conveyed to a primary forced circulation evaporation concentrator, the acidic ammonium sulfate crystal clear mother liquor is subjected to three processes of acidification reaction conversion, evaporation and crystallization simultaneously, crystalline ammonium sulfate is obtained at the bottom of the primary forced circulation evaporation concentrator, evaporated water is arranged at the top, and an organic matter in an upper organic matter enrichment area is extracted from a lateral line and separated to obtain solid ammonium sulfate and a mother liquor I; and continuously conveying the mother liquor I into a secondary forced circulation evaporation concentrator for three processes of acidification reaction conversion, evaporation and crystallization, after water is completely evaporated, pumping out the organic matter mother liquor in the organic matter enrichment area from a lateral line, and extracting the cooled organic matter mother liquor by using methanol to obtain solid ammonium sulfate and methanol extraction organic liquid fuel.

Disclosure of Invention

In view of the above, the present invention provides a wastewater utilization device in ammonium sulfate production and a use method thereof, so as to solve the problem that ammonia dissolved in wastewater in ammonium sulfate production cannot be recovered, which results in waste of raw materials in ammonium sulfate production.

Based on the above purpose, the present invention provides a wastewater utilization apparatus in ammonium sulfate production, which comprises a condenser and two crystallization reactors, and further comprises:

two connecting pipes arranged between the crystallization reactors, wherein the connecting pipes are communicated with the crystallization reactors;

one end of each guide pipe is fixedly connected with the side surface of the connecting pipe, the guide pipes are communicated with the connecting pipes, the other end of one guide pipe is communicated with a pipeline for conveying acid water, and the other end of the other guide pipe is communicated with a pipeline for conveying liquid ammonia;

a switching part provided on the connection pipe, the switching part being used to communicate the guide pipe with one of the crystallization reactors while isolating the guide pipe from the other crystallization reactor;

one side pipe is communicated with an inlet of the condenser, the other side pipe is communicated with an outlet of the condenser, and the side pipes are vertically arranged;

the device comprises two top pipes, two side pipes and a cooling system, wherein the top pipes are arranged at the top end of the crystallization reactor and are vertically arranged, and the distance between the two top pipes is equal to the distance between the two side pipes;

the side pipe is arranged on the front side surface of the vertical plate, the rotating part is used for driving the condenser to rotate, and the side pipe rotates around a central axis between the two top pipes when the condenser rotates;

and a communicating part for communicating the top pipe with the side pipe.

Further, the rotating portion includes:

the stabilizing plate is arranged on the outer side surface of the condensing pipe, and a side annular groove is formed in the side surface of the stabilizing plate;

one end of each side rod is fixed on the front side surface of the corresponding vertical plate, and the other end of each side rod is rotatably connected with the corresponding side annular groove;

the device comprises a motor, a rotating shaft and a fixing block, wherein the motor is arranged on the front side surface of the vertical plate, one end of the rotating shaft is fixedly connected with an output shaft of the motor, the fixing block is fixed on the front side surface of the vertical plate, the fixing block is provided with a rotating hole, the rotating shaft penetrates through the rotating hole and is rotatably connected with the rotating hole, a bottom hole is formed in the side surface of the stabilizing plate facing the rotating shaft, and the top of the rotating shaft is rotatably connected with the bottom hole;

the linkage plates consist of an inner plate and an outer plate, the inner plate is in sliding connection with a surface groove formed in the side surface of the rotating shaft, and the outer plate is positioned outside the surface groove;

the inner wall grooves are arranged on the side wall of the bottom hole and correspond to the outer plates one by one;

and the driving component is used for driving the linkage plate to slide along the surface groove.

Further, the communication portion includes:

the bottom end of the side pipe penetrates through the top plate, the bottom end surface of the side pipe is flush with the lower end surface of the top plate, and when the side pipe is positioned right above the top pipe, the lower end surface of the side pipe is in contact with the upper end surface of the top pipe;

the middle part of the bottom plate is provided with a through hole penetrating through the upper end surface and the lower end surface of the bottom plate, the top pipe is in sliding connection with the through hole, a plurality of screw holes penetrating through the upper end surface and the lower end surface of the bottom plate are distributed on the periphery of the central axis of the through hole in an annular array manner, the top plate is provided with through holes penetrating through the upper end surface and the lower end surface of the top plate, and the through holes are in one-to-one correspondence with the screw holes;

the screw rod is rotationally connected with the through hole, the top block is fixedly connected with the top end of the screw rod at the lower end face, and the inner rotating plate is arranged on the side surface of the screw rod and is rotationally connected with an inner wall ring arranged on the inner wall of the through hole;

the rotating assembly is used for driving the screw to rotate;

and the lifting component is used for driving the bottom plate to do lifting motion.

Further, the rotating assembly includes:

the inner side surface of the driving ring is provided with an inner gear ring which is meshed with a side gear ring arranged on the side surface of the top block;

the main gear is meshed with an outer toothed ring arranged on the outer side face of the driving ring, the middle of the main gear is provided with a shaft hole penetrating through the upper end face and the lower end face of the main gear, the side wall of the shaft hole is provided with a side wall groove, the rotating shaft penetrates through the shaft hole, and the outer plate is in sliding connection with the side wall groove;

and one end of each fixing rod is fixed on the front side surface of the vertical plate, a stabilizing ring groove is formed in the upper end surface of the main gear, and the other end of each fixing rod is rotatably connected with the stabilizing ring groove.

Further, the driving assembly includes:

an open slot is formed in the outer side surface, close to the bottom, of the linkage plate, and the rotary circular ring is rotatably connected with the open slot;

the front end of the telescopic rod is hinged with the outer side face of the rotating ring;

the rotating rod corresponds to the telescopic rod, an inner hole is formed in the end face, facing the rotating shaft, of the rotating rod, and the telescopic rod is connected with the inner hole in a sliding mode;

the side shaft is arranged on the side surface of the rotating rod, and one end of the side shaft is fixed on the front side surface of the vertical plate;

the first sliding groove is formed in the side surface of the rotating rod, the first sliding block is connected with the first sliding groove in a sliding mode, the air cylinder is located below the first sliding block, the air cylinder is fixed to the front side face of the vertical plate, and an output shaft of the air cylinder is hinged to the outer side face of the first sliding block.

Further, the telescopic link and bottom plate one-to-one, lifting unit includes:

at least one side block positioned below the bottom plate, wherein the side surface of the side block is fixedly connected with the outer side surface of the top pipe;

the spring assembly comprises a first spring, a second spring, a top plate and a bottom plate, wherein one end of the first spring is fixed on the top surface of the side block, the other end of the first spring is fixed on the lower end face of the bottom plate, and when the upper end face of the bottom plate is in contact with the lower end face of the top plate, the first spring is in a stretching state;

the pivot is divided into preceding pole and back pole two parts with the bull stick, the front end of preceding pole is located the below of the bottom plate that corresponds, first spout is located the side surface of back pole, the hole is located the preceding terminal surface of back pole.

Further, the switching section includes:

the switching rod is positioned in the connecting pipe, the diameter of the switching rod is equal to the inner diameter of the connecting pipe, the switching rod is connected with the connecting pipe in a sliding mode, end face holes are formed in two end faces of the switching rod, surface holes penetrating through the side surface of the switching rod are formed in the inner wall of each end face hole, and the surface holes are used for enabling the guide pipes to be communicated with the end face holes;

the end part of the connecting rod penetrates through the through groove, and the end part of the connecting rod is fixedly connected with the side surface of the corresponding switching rod;

and the switching component is used for driving the switching rod to slide in the connecting pipe.

Further, the switching component includes:

the linkage gear is arranged on the rotating shaft and is positioned between the two connecting pipes;

the sliding plate comprises a plate groove arranged on the front side surface of the vertical plate and sliding plates arranged on two sides of the rotating shaft, wherein the bottom of each sliding plate is connected with the plate groove in a sliding manner;

the linkage rod is positioned between the two sliding plates, the inner side surfaces of the sliding plates are provided with inner side grooves, the end parts of the linkage rods are in sliding connection with the corresponding inner side grooves, the side surfaces of the linkage rods facing the vertical plate are provided with straight racks, and the straight racks are matched with the linkage gears;

the linkage rod comprises two baffle plates arranged on the side surfaces of the linkage rod, a limiting area is arranged between the two baffle plates, and the connecting rod penetrates through the limiting area;

and the sliding piece is used for driving the linkage rod to slide along the inner side groove.

Further, the slider includes:

the second spring is positioned in the inner side groove, one end of the second spring is fixed on the side surface of the linkage rod, and the other end of the second spring is fixed at the top of the inner side groove;

the pull rope is fixedly connected with one end of the rotating rod close to the end of the rotating shaft, and the second sliding block is fixedly connected with the other end of the pull rope and is in sliding connection with a second sliding groove formed in the side surface of the linkage rod;

the guide wheel is arranged on the front side face of the vertical plate, and the pull rope winds around the guide wheel.

The invention also provides a use method of the wastewater utilization device in ammonium sulfate production, and the wastewater utilization device in ammonium sulfate production comprises the following steps:

the method comprises the following steps: the top pipe is communicated with the side pipe positioned right above the top pipe through the communicating part, and the crystallization reactor communicated with the inlet of the condenser is communicated with the guide pipe through the switching part;

step two: acid water and liquid ammonia enter into the crystallization reactor with condenser import intercommunication and carry out exothermic chemical reaction for partly ammonia and steam that separate out will enter into the crystallization reactor with condenser export intercommunication after the condenser condensation, reform the aqueous ammonia:

step three: after the reaction in the crystallization reactor communicated with the inlet of the condenser is finished, taking out the generated substances, and cleaning the interior of the crystallization reactor communicated with the inlet of the condenser;

step four: the communicating part enables the top pipe to be separated from the side pipe, then the rotating part drives the condenser to rotate 180 degrees, the top pipe is communicated with the side pipe positioned right above the top pipe through the communicating part, the switching part acts while the rotating part rotates, the crystallization reactor storing the ammonia water is communicated with the guide pipe, and the crystallization reactor storing the ammonia water is communicated with the inlet of the condenser;

step five: and repeating the second step to the fourth step until all the acid water or liquid ammonia is consumed.

The invention has the beneficial effects that: the invention relates to a waste water utilization device in ammonium sulfate production and a using method thereof, wherein in one crystallization reactor, a part of precipitated ammonia gas is re-dissolved in water to form ammonia water and is stored in the other crystallization reactor in the exothermic chemical reaction process of liquid ammonia and acid water through a condenser, so that after the liquid ammonia and the acid water in the crystallization reactor which are reacted are completely consumed, substances in the crystallization reactor are taken out and the inside of the crystallization reactor is cleaned, then the liquid ammonia and the acid water are introduced into the crystallization reactor which stores the ammonia water, the stored ammonia water can participate in the reaction, and the precipitated ammonia gas and the water vapor can enter the crystallization reactor which is not reacted, therefore, the ammonia gas in the raw materials can be fully utilized by the invention, and the waste of the raw materials is effectively reduced.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a partial enlarged view of the screw of the present invention;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a top view of a main gear in the present invention;

FIG. 6 is a top view of the condenser of the present invention;

FIG. 7 is an enlarged view of a portion of the cylinder and the rotating rod of the present invention;

FIG. 8 is a cross-sectional view of the rotating rod and the telescopic rod of the present invention;

FIG. 9 is a partial enlarged view of the joint pipe of the present invention;

FIG. 10 is an enlarged view of a portion of the slide and linkage of the present invention;

fig. 11 is a schematic view showing the connection of the baffle plate and the connecting rod according to the present invention.

Labeled as:

1. a vertical plate; 2. a crystallization reactor; 3. a condenser; 4. a side tube; 5. jacking pipes; 6. a stabilizing plate; 7. a connecting pipe; 8. a rotating shaft; 9. a motor; 10. a main gear; 11. a cylinder; 12. a rotating rod; 13. a top plate; 14. a base plate; 15. a side block; 16. a first spring; 17. a screw; 18. a top block; 19. a drive ring; 20. perforating; 21. a screw hole; 22. a through hole; 23. an inner rotating plate; 24. an inner wall ring; 25. a bottom rotating plate; 26. an end face ring groove; 27. a side lever; 28. a side ring groove; 29. a bottom hole; 30. an inner wall groove; 31. a surface groove; 32. a fixing rod; 33. a stabilizing ring groove; 34. a linkage plate; 35. a sidewall groove; 36. a shaft hole; 37. a side shaft; 38. a telescopic rod; 39. rotating the circular ring; 40. an open slot; 41. a fixed block; 42. a guide wheel; 43. pulling a rope; 44. an inner bore; 45. a first chute; 46. a first slider; 47. a guide tube; 48. a switch lever; 49. a surface hole; 50. a through groove; 51. a connecting rod; 52. a linkage gear; 53. a plate groove; 54. a slide plate; 55. a linkage rod; 56. a second slider; 57. an inner side groove; 58. a second spring; 59. a second chute; 60. a baffle plate; 61. an end face hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.

It is to be noted that technical terms or scientific terms used herein should have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In a first aspect of the present invention, a wastewater utilization apparatus in ammonium sulfate production is provided, as shown in fig. 1, comprising a condenser 3 and two crystallization reactors 2, the wastewater utilization apparatus further comprising:

two connecting pipes 7 arranged between the crystallization reactors 2, wherein the connecting pipes 7 are communicated with the crystallization reactors 2;

one end of each guide pipe 47 is fixedly connected with the side surface of the connecting pipe 7, the guide pipes 47 are communicated with the connecting pipe 7, the other end of one guide pipe 47 is communicated with a pipeline for conveying acid water, and the other end of the other guide pipe 47 is communicated with a pipeline for conveying liquid ammonia;

a switching part provided on the connection pipe 7 for communicating the guide pipe 47 with one of the crystallization reactors 2 while isolating the guide pipe 47 from the other crystallization reactor 2;

two side pipes 4, wherein one side pipe 4 is communicated with an inlet of the condenser 3, the other side pipe 4 is communicated with an outlet of the condenser 3, and the side pipes 4 are vertically arranged;

the top pipes 5 are arranged at the top end of the crystallization reactor 2, the top pipes 5 are vertically arranged, and the distance between the two top pipes 5 is equal to the distance between the two side pipes 4;

the condenser comprises a vertical plate 1 and a rotating part arranged on the front side surface of the vertical plate 1, wherein the rotating part is used for driving a condenser 3 to rotate, and when the condenser 3 rotates, a side pipe 4 rotates around a central axis between two top pipes 5;

and a communication portion for communicating the top pipe 5 with the side pipe 4.

In this embodiment, the apparatus use steps are as follows:

the method comprises the following steps: the top pipe 5 is communicated with the side pipe 4 positioned right above the top pipe 5 through a communicating part, and the crystallization reactor 2 communicated with the inlet of the condenser 3 is communicated with the guide pipe 47 through a switching part;

step two: acid water and liquid ammonia enter into and carry out exothermic chemical reaction in the crystallization reactor 2 with 3 import intercommunications of condenser for partly ammonia and steam that separate out will enter into the crystallization reactor 2 with 3 export intercommunications of condenser after the condensation of condenser 3 in, form the aqueous ammonia again:

step three: after the reaction in the crystallization reactor 2 communicated with the inlet of the condenser 3 is finished, taking out the generated substances, and cleaning the interior of the crystallization reactor 2 communicated with the inlet of the condenser 3;

step four: the communicating part enables the top pipe 5 to be separated from the side pipe 4, then the rotating part drives the condenser 3 to rotate 180 degrees, then the top pipe 5 is communicated with the side pipe 4 positioned right above the top pipe 5 through the communicating part, the switching part acts when the rotating part rotates, the crystallization reactor 2 storing ammonia water is communicated with the guide pipe 47, and at the moment, the crystallization reactor 2 storing ammonia water is communicated with the inlet of the condenser 3;

step five: and repeating the second step to the fourth step until all the acid water or liquid ammonia is consumed.

In summary, in one of the crystallization reactors 2, during the exothermic chemical reaction between liquid ammonia and acid water, a part of ammonia gas separated out is re-dissolved in water by the condenser 3 to form ammonia water, and the ammonia water is stored in the other crystallization reactor 2, so that after all the liquid ammonia and the acid water in the crystallization reactor 2 undergoing reaction are consumed, the substances in the crystallization reactor 2 are taken out, the interior of the crystallization reactor 2 is cleaned, then the liquid ammonia and the acid water are introduced into the crystallization reactor 2 storing the ammonia water, the stored ammonia water can participate in the reaction, and the separated ammonia water and the steam can enter the crystallization reactor 2 not undergoing reaction, therefore, the raw materials can be fully utilized, and the waste of the raw materials is effectively reduced.

As one embodiment, as shown in fig. 1, 4, 6, and 7, the rotating portion includes:

the stabilizing plate 6 is arranged on the outer side surface of the condensing tube, and the side surface of the stabilizing plate 6 is provided with a side annular groove 28;

one end of each side rod 27 is fixed on the front side surface of the vertical plate 1, and the other end of each side rod 27 is rotatably connected with the corresponding side ring groove 28;

the vertical plate fixing device comprises a motor 9 arranged on the front side surface of a vertical plate 1, a rotating shaft 8 with one end fixedly connected with an output shaft of the motor 9 and a fixing block 41 fixed on the front side surface of the vertical plate 1, wherein the fixing block 41 is provided with a rotating hole, the rotating shaft 8 penetrates through the rotating hole, the rotating shaft 8 is rotatably connected with the rotating hole, the side surface of a stabilizing plate 6 facing the rotating shaft 8 is provided with a bottom hole 29, and the top of the rotating shaft 8 is rotatably connected with the bottom hole 29;

the linkage plates 34 are composed of inner plates and outer plates, the inner plates are in sliding connection with the surface grooves 31 formed in the side surfaces of the rotating shafts 8, and the outer plates are located outside the surface grooves 31;

inner wall grooves 30 are arranged on the side walls of the bottom hole 29, and the inner wall grooves 30 correspond to the outer plates one by one;

a drive assembly for driving the linkage plate 34 to slide along the surface slot 31.

In this embodiment, through stabilizer plate 6, guarantee the stability of condenser 3 in the rotation process, when needs make condenser 3 rotate, drive assembly drive gangboard 34 upward movement for the planking enters into inner wall slot 30, this moment after motor 9 starts, will drive condenser 3 through gangboard 34 and rotate, after condenser 3 rotates 180 degrees, motor 9 stall, side pipe 4 is located directly over push pipe 5 this moment, drive assembly drive planking breaks away from inner wall slot 30, like this at operating personnel maloperation, make motor 9 start-up the back, will not influence condenser 3, guarantee condenser 3's stability.

As an embodiment, as shown in fig. 1, 2, and 3, the communication portion includes:

the top plate 13 is arranged at the bottom of the side pipe 4, the bottom end of the side pipe 4 penetrates through the top plate 13, the bottom end face of the side pipe 4 is flush with the lower end face of the top plate 13, and when the side pipe 4 is positioned right above the top pipe 5, the lower end face of the side pipe 4 is in contact with the upper end face of the top pipe 5;

the middle part of the bottom plate 14 is provided with a through hole 20 penetrating through the upper end surface and the lower end surface of the bottom plate 14, the top pipe 5 is in sliding connection with the through hole 20, a plurality of screw holes 21 penetrating through the upper end surface and the lower end surface of the bottom plate 14 are distributed on the periphery of the central axis of the through hole 20 in an annular array manner, the top plate 13 is provided with through holes 22 penetrating through the upper end surface and the lower end surface of the top plate, and the through holes 22 correspond to the screw holes 21 one by one;

the screw rod 17 is rotatably connected with the through hole 22, the top block 18 is fixedly connected with the top end of the screw rod 17 at the lower end face, and the inner rotating plate 23 is arranged on the side surface of the screw rod 17, the inner rotating plate 23 is rotatably connected with an inner wall ring 24 arranged on the inner wall of the through hole 22, a first thread is arranged in the screw hole 21, and the first thread is matched with a second thread arranged on the side surface of the screw rod 17;

a rotating assembly for driving the screw 17 in rotation;

and a lifting assembly for driving the base plate 14 to perform lifting movement.

In this embodiment, when the top pipe 5 is communicated with the side pipe 4, at this time, the upper end surface of the bottom plate 14 is in contact with the lower end surface of the top plate 13, and by rotating the assembly, a certain pressure is provided between the bottom plate 14 and the top plate 13, so as to ensure the sealing property, when the condenser 3 needs to be rotated 180 degrees, firstly, the outer plate is ensured to be separated from the inner wall groove 30 by the driving assembly, then, the rotating assembly drives the screw 17 to rotate, and at the same time, the lifting assembly enables the bottom plate 14 to have a downward movement trend, so that the screw 17 will continuously enable the bottom plate 14 to move downward in the rotation process, when the screw 17 is separated from the screw hole 21, the motor 9 stops driving, the driving assembly drives the linkage plate 34 to move upward, finally, the top of the outer plate enters the inner wall groove 30, at this time, the motor 9 is started again to drive the condenser 3 to rotate, after the condenser 3 rotates 180 degrees, the driving assembly drives the outer plate to be separated from the inner wall groove 30, at this time, the lifting assembly enables the bottom plate 14 to move upward for a certain distance, so that the bottom end of the screw 17 enters the screw 21, at this time, the screw 17 drives the top plate 14 to rotate until the top plate 14 to generate enough pressure to stop rotating, and the top plate 13.

As an embodiment, as shown in fig. 1, 2, 3, and 4, the rotating assembly includes:

the driving ring 19 and the bottom rotating plate 25 arranged on the lower end surface of the driving ring 19, the bottom rotating plate 25 is rotatably connected with an end surface annular groove 26 arranged on the upper end surface of the top plate 13, the inner side surface of the driving ring 19 is provided with an inner toothed ring, and the inner toothed ring is meshed with a side toothed ring arranged on the side surface of the top block 18;

a main gear 10 engaged with an external gear ring provided on an outer side surface of the driving ring 19, wherein a shaft hole 36 penetrating through upper and lower end surfaces of the main gear 10 is provided in a middle portion of the main gear 10, a sidewall groove 35 is provided on a sidewall of the shaft hole 36, the rotating shaft 8 passes through the shaft hole 36, and the outer plate is slidably connected with the sidewall groove 35;

a plurality of fixing rods 32 with one ends fixed on the front side surface of the vertical plate 1, wherein the upper end surface of the main gear 10 is provided with a stabilizing ring groove 33, and the other ends of the fixing rods 32 are rotatably connected with the stabilizing ring groove 33.

In this embodiment, when the top pipe 5 is communicated with the side pipe 4, the upper end surface of the bottom plate 14 is in contact with the lower end surface of the top plate 13, and the screw 17 is used to provide a certain pressure between the bottom plate 14 and the top plate 13, so as to ensure the sealing performance, when the condenser 3 needs to be rotated 180 degrees, firstly the outer plate is ensured to be separated from the inner wall groove 30 by the driving component, then the motor 9 is started, at this time, the motor 9 will only drive the main gear 10 to rotate, when the main gear 10 rotates, the top block 18 is driven to rotate by the driving ring 19, so as to drive the screw 17 to rotate, and at the same time when the screw 17 rotates, the lifting component makes the bottom plate 14 have a tendency of moving downwards, so that the screw 17 will continuously make the bottom plate 14 move downwards during the rotation, and after the screw 17 is separated from the screw hole 21, the motor 9 stops driving, the driving assembly drives the linkage plate 34 to move upwards, finally, the top of the outer plate enters the inner wall groove 30, at this time, the motor 9 is started again to drive the condenser 3 to rotate, at this time, although the main gear 10 also rotates, when the screw 17 is separated from the screw hole 21, the bottom plate 14 cannot be driven to move, after the condenser 3 rotates 180 degrees, the driving assembly drives the outer plate to be separated from the inner wall groove 30, at this time, the lifting assembly drives the bottom plate 14 to move upwards for a certain distance, so that the bottom end of the screw 17 enters the screw hole 21, at this time, the motor 9 drives the main gear 10 to rotate, so that the top pipe 17 is driven to continuously move upwards under the rotating action of the screw 17, until sufficient pressure is generated between the bottom plate 14 and the top plate 13, the motor 9 stops rotating, and at this time, the side pipe 4 is communicated with the top pipe 5.

As an embodiment, as shown in fig. 1, 7 and 8, the driving assembly includes:

an open slot 40 is formed in the outer side surface, close to the bottom, of the linkage plate 34, and the rotating ring 39 is rotatably connected with the open slot 40;

at least one telescopic rod 38, wherein the front end of the telescopic rod 38 is hinged with the outer side surface of the rotating ring 39;

the rotating rod 12 corresponds to the telescopic rod 38, an inner hole 44 is formed in the end face, facing the rotating shaft 8, of the rotating rod 12, and the telescopic rod 38 is connected with the inner hole 44 in a sliding mode;

a side hole arranged on the side surface of the rotating rod 12 and a side shaft 37 rotatably connected with the side hole, wherein one end of the side shaft 37 is fixed on the front side surface of the vertical plate 1;

the first sliding groove 45 is arranged on the side surface of the rotating rod 12, the first sliding block 46 is connected with the first sliding groove 45 in a sliding mode, the air cylinder 11 is located below the first sliding block 46, the air cylinder 11 is fixed on the front side face of the vertical plate 1, and an output shaft of the air cylinder 11 is hinged to the outer side face of the first sliding block 46.

In this embodiment, when the cylinder 11 drives the rotating rod 12 to rotate around the side shaft 37, so that the linkage plate 34 moves upward, and finally the top portion of the outer plate enters the inner wall groove 30, the motor 9 is started, which will drive the condenser 3 and the main gear 10 to rotate together, and when the cylinder 11 drives the rotating rod 12 to rotate, which will drive the linkage plate 34 to move downward, and finally the top portion of the outer plate is separated from the inner wall groove 30, the motor 9 is started, which will drive only the main gear 10 to rotate.

As an embodiment, as shown in fig. 2 and 7, the telescopic rods 38 correspond to the bottom plates 14 one by one, and the lifting assembly includes:

at least one side block 15 is positioned below the bottom plate 14, and the side surface of the side block 15 is fixedly connected with the outer side surface of the top pipe 5;

a first spring 16 having one end fixed to the top surface of the side block 15, the other end of the first spring 16 being fixed to the lower end surface of the bottom plate 14, the first spring 16 being in a stretched state when the upper end surface of the bottom plate 14 is in contact with the lower end surface of the top plate 13;

the rotating shaft 8 divides the rotating rod 12 into a front rod and a rear rod, the front end of the front rod is located below the corresponding bottom plate 14, the first sliding groove 45 is located on the side surface of the rear rod, and the inner hole 44 is located on the front end surface of the rear rod.

In this embodiment, when the bottom plate 14 and the top plate 13 are in contact with each other and there is sufficient pressure between them, the first spring 16 is in a stretched state, when the condenser 3 needs to be rotated 180 degrees, first the outer plate and the inner wall groove 30 are ensured to be separated by the cylinder 11, then the motor 9 is started to drive the screw 17 to rotate, so that the bottom plate 14 will move downward under the drive of the screw 17, after the screw 17 is disengaged from the screw hole 21, the bottom plate 14 continues to move downward for a certain distance by the elastic force of the first spring 16, the screw hole 21 is ensured to be away from the screw 17, then the cylinder 11 is started to make the top of the outer plate enter the inner wall groove 30, then the motor 9 is started to drive the condenser 3 to rotate, after the condenser 3 rotates 180 degrees, at this time, the screw hole 21 of the bottom plate 14 is away from the screw 17, so that the output shaft of the cylinder 11 contracts, so that on the one hand, the outer plate can be disengaged from the inner wall groove 30, on the other hand, the front rod can be moved toward the bottom plate 14, after the front end of the front rod contacts the lower end of the bottom plate 14, the screw hole 21 is moved upward, so that the screw 17 enters the screw hole 17, and the screw 17, so that the screw 17 and the screw can finally, so that the screw 14 and the screw can be engaged with the screw 17, so that the screw 14 can be rotated.

As an embodiment, as shown in fig. 1 and 9, the switching unit includes:

a switching lever 48 positioned in the connecting pipe 7, the diameter of the switching lever 48 being equal to the inner diameter of the connecting pipe 7, the switching lever 48 being slidably connected to the connecting pipe 7, both end surfaces of the switching lever 48 being provided with end surface holes 61, the inner wall of the end surface hole 61 being provided with a surface hole 49 penetrating the side surface of the switching lever 48, the surface hole 49 being for communicating the guide pipe 47 with the end surface hole 61;

a connecting rod 51, wherein a through groove 50 communicated with the inside of the connecting pipe 7 is arranged on the opposite side surface of the connecting pipe 7, the end part of the connecting rod 51 passes through the through groove 50, and the end part of the connecting rod 51 is fixedly connected with the side surface of the corresponding switching rod 48;

a switching assembly for driving the switching rod 48 to slide in the connecting tube 7.

In the present embodiment, when the switching member causes the switching lever 48 to slide within the connecting pipe 7 such that the surface hole 49 corresponding to the left end face hole 61 communicates with the guide pipe 47, at this time the guide pipe 47 communicates with the left crystallization reactor 2 through the end face hole 61, and when the switching member causes the switching lever 48 to slide within the connecting pipe 7 such that the surface hole 49 corresponding to the right end face hole 61 communicates with the guide pipe 47, at this time the guide pipe 47 communicates with the right crystallization reactor 2 through the end face hole 61.

As an embodiment, as shown in fig. 9, 10, and 11, the switching component includes:

a linkage gear 52 installed on the rotating shaft 8, wherein the linkage gear 52 is located between the two connecting pipes 7;

the plate groove 53 is arranged on the front side surface of the vertical plate 1, the sliding plates 54 are arranged on two sides of the rotating shaft 8, and the bottoms of the sliding plates 54 are connected with the plate groove 53 in a sliding manner;

the linkage rod 55 is positioned between the two sliding plates 54, the inner side surfaces of the sliding plates 54 are provided with inner side grooves 57, the end parts of the linkage rod 55 are connected with the corresponding inner side grooves 57 in a sliding manner, the side surface of the linkage rod 55 facing the vertical plate 1 is provided with a spur rack, and the spur rack is matched with the linkage gear 52;

two baffles 60 arranged on the side surface of the linkage rod 55, wherein a limit area is arranged between the two baffles 60, and the connecting rod 51 passes through the limit area;

a slide for driving the linkage 55 to slide along the inner slot 57.

In this embodiment, when the top of the outer plate is gradually combined with the inner wall groove 30 under the driving of the cylinder 11, the sliding member also gradually drives the linkage rod 55 to move towards the linkage gear 52, and when the top of the outer plate is combined with the inner wall groove 30, the spur rack is engaged with the linkage gear 52, and at this time, when the motor 9 drives the rotating shaft 8 to rotate, the linkage gear 52 will be driven to rotate, so as to drive the linkage rod 55 to slide along the horizontal direction, so as to drive the connecting rod 51 to slide along the horizontal direction, for example, before the connecting rod 51 slides, the guiding tube 47 is communicated with the left crystallization reactor 2, and after the condenser 3 rotates 180 degrees, the guiding tube 47 is communicated with the right crystallization reactor 2.

As an embodiment, as shown in fig. 7, 9, and 10, the slider includes:

a second spring 58 positioned in the inner side slot 57, wherein one end of the second spring 58 is fixed on the side surface of the linkage rod 55, and the other end of the second spring 58 is fixed on the top of the inner side slot 57;

a pull rope 43 with one end fixedly connected with the end part of the rotating rod 12 close to the rotating shaft 8, and a second sliding block 56 fixedly connected with the other end of the pull rope 43, wherein the second sliding block 56 is slidably connected with a second sliding groove 59 arranged on the side surface of the linkage rod 55;

and the pull rope 43 is wound around the guide wheel 42.

In this embodiment, when the cylinder 11 drives the linkage plate 34 to move upward, the pulling rope 43 drives the linkage rod 55 to overcome the elastic force of the second spring 58 and move toward the linkage gear 52, and when the cylinder 11 drives the linkage plate 34 to move downward, the linkage rod 55 moves away from the linkage gear 52 under the action of the second spring 58.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. A waste water utilization device in ammonium sulfate production, which comprises a condenser (3) and two crystallization reactors (2), and is characterized by further comprising:

two connecting pipes (7) arranged between the crystallization reactors (2), wherein the connecting pipes (7) are communicated with the crystallization reactors (2);

one end of each guide pipe (47) is fixedly connected with the side surface of the connecting pipe (7), the guide pipes (47) are communicated with the connecting pipes (7), the other end of one guide pipe (47) is communicated with a pipeline for conveying acid water, and the other end of the other guide pipe (47) is communicated with a pipeline for conveying liquid ammonia;

a switching part provided on the connection pipe (7) for communicating the guide pipe (47) with one of the crystallization reactors (2) while isolating the guide pipe (47) from the other crystallization reactor (2);

two side pipes (4), wherein one side pipe (4) is communicated with an inlet of the condenser (3), the other side pipe (4) is communicated with an outlet of the condenser (3), and the side pipes (4) are vertically arranged;

the device comprises two top pipes (5) arranged at the top end of a crystallization reactor (2), wherein the top pipes (5) are vertically arranged, and the distance between the two top pipes (5) is equal to the distance between the two side pipes (4);

the condenser comprises a vertical plate (1) and a rotating part arranged on the front side surface of the vertical plate (1), wherein the rotating part is used for driving a condenser (3) to rotate, and when the condenser (3) rotates, a side pipe (4) rotates around a central axis between two top pipes (5);

a communicating portion for communicating the top pipe (5) with the side pipe (4);

the top pipe (5) is communicated with the side pipe (4) positioned right above the top pipe (5) through the communicating part, and the crystallization reactor (2) communicated with the inlet of the condenser (3) is communicated with the guide pipe (47) through the switching part.

2. The apparatus for utilizing waste water in ammonium sulfate production according to claim 1, wherein the rotation part comprises:

the stabilizing plate (6) is arranged on the outer side surface of the condensing tube, and a side ring groove (28) is formed in the side surface of the stabilizing plate (6);

one end of each side rod (27) is fixed on the front side surface of the vertical plate (1), and the other end of each side rod (27) is rotatably connected with the corresponding side ring groove (28);

the lifting device comprises a motor (9) arranged on the front side face of the vertical plate (1), a rotating shaft (8) with one end fixedly connected with an output shaft of the motor (9) and a fixing block (41) fixed on the front side face of the vertical plate (1), wherein the fixing block (41) is provided with a rotating hole, the rotating shaft (8) penetrates through the rotating hole, the rotating shaft (8) is rotatably connected with the rotating hole, a bottom hole (29) is formed in the side face, facing the rotating shaft (8), of the stabilizing plate (6), and the top of the rotating shaft (8) is rotatably connected with the bottom hole (29);

the linkage plates (34) are composed of inner plates and outer plates, the inner plates are in sliding connection with surface grooves (31) formed in the side surfaces of the rotating shafts (8), and the outer plates are located outside the surface grooves (31);

the inner wall grooves (30) are arranged on the side walls of the bottom holes (29), and the inner wall grooves (30) correspond to the outer plates one by one;

and the driving component is used for driving the linkage plate (34) to slide along the surface groove (31).

3. The apparatus for utilizing waste water in ammonium sulfate production according to claim 2, wherein the communication part comprises:

the top plate (13) is arranged at the bottom of the side pipe (4), the bottom end of the side pipe (4) penetrates through the top plate (13), the bottom end face of the side pipe (4) is flush with the lower end face of the top plate (13), and when the side pipe (4) is positioned right above the top pipe (5), the lower end face of the side pipe (4) is in contact with the upper end face of the top pipe (5);

the middle of the bottom plate (14) is provided with a through hole (20) penetrating through the upper end face and the lower end face of the bottom plate, the top pipe (5) is connected with the through hole (20) in a sliding mode, a plurality of screw holes (21) penetrating through the upper end face and the lower end face of the bottom plate (14) are distributed on the periphery of the central axis of the through hole (20) in an annular array mode, the top plate (13) is provided with through holes (22) penetrating through the upper end face and the lower end face of the top plate, and the through holes (22) correspond to the screw holes (21) one to one;

the screw rod (17) is rotatably connected with the through hole (22), the lower end face of the screw rod (17) is fixedly connected with the top end of the top block (18), the inner rotating plate (23) is arranged on the side surface of the screw rod (17), the inner rotating plate (23) is rotatably connected with an inner wall ring (24) arranged on the inner wall of the through hole (22), a first thread is arranged in the screw hole (21), and the first thread is matched with a second thread arranged on the side surface of the screw rod (17);

a rotating assembly for driving the screw (17) to rotate;

and the lifting component is used for driving the bottom plate (14) to do lifting motion.

4. The apparatus for utilizing waste water in ammonium sulfate production according to claim 3, wherein the rotating assembly comprises:

the device comprises a driving ring (19) and a bottom rotating plate (25) arranged on the lower end face of the driving ring (19), wherein the bottom rotating plate (25) is rotatably connected with an end face annular groove (26) arranged on the upper end face of a top plate (13), the inner side face of the driving ring (19) is provided with an inner toothed ring, and the inner toothed ring is meshed with a side toothed ring arranged on the side surface of a top block (18);

the main gear (10) is meshed with an external gear ring arranged on the outer side surface of the driving ring (19), the middle part of the main gear (10) is provided with a shaft hole (36) penetrating through the upper end surface and the lower end surface of the main gear, the side wall of the shaft hole (36) is provided with a side wall groove (35), the rotating shaft (8) penetrates through the shaft hole (36), and the outer plate is in sliding connection with the side wall groove (35);

a plurality of one ends are fixed in dead lever (32) of riser (1) leading flank, the up end of master gear (10) is equipped with stabilizing ring groove (33), the other end of dead lever (32) with stabilizing ring groove (33) rotate to be connected.

5. The wastewater utilization device in ammonium sulfate production according to claim 4, wherein the driving assembly comprises:

an open slot (40) is formed in the outer side surface, close to the bottom, of the linkage plate (34), and the rotary ring (39) is rotatably connected with the open slot (40);

the front end of the telescopic rod (38) is hinged with the outer side surface of the rotating ring (39);

the rotating rod (12) corresponds to the telescopic rod (38), an inner hole (44) is formed in the end face, facing the rotating shaft (8), of the rotating rod (12), and the telescopic rod (38) is connected with the inner hole (44) in a sliding mode;

a side hole arranged on the side surface of the rotating rod (12) and a side shaft (37) rotatably connected with the side hole, wherein one end of the side shaft (37) is fixed on the front side surface of the vertical plate (1);

locate first spout (45) of bull stick (12) side surface, with first slider (46) sliding connection of first spout (45) and be located cylinder (11) of first slider (46) below, cylinder (11) are fixed in the leading flank of riser (1), the output shaft of cylinder (11) is articulated with the lateral surface of first slider (46).

6. The waste water utilization device in ammonium sulfate production according to claim 5, wherein the telescopic rods (38) correspond to the bottom plates (14) one by one, and the lifting assembly comprises:

at least one side block (15) positioned below the bottom plate (14), wherein the side surface of the side block (15) is fixedly connected with the outer side surface of the top pipe (5);

a first spring (16) with one end fixed on the top surface of the side block (15), the other end of the first spring (16) is fixed on the lower end surface of the bottom plate (14), and when the upper end surface of the bottom plate (14) is contacted with the lower end surface of the top plate (13), the first spring (16) is in a stretching state;

the rotary shaft (8) divides the rotary rod (12) into a front rod and a rear rod, the front end of the front rod is located below the corresponding bottom plate (14), the first sliding groove (45) is located on the side surface of the rear rod, and the inner hole (44) is located on the front end face of the rear rod.

7. The apparatus for utilizing waste water in ammonium sulfate production according to claim 6, wherein the switching unit includes:

the switching rod (48) is positioned in the connecting pipe (7), the diameter of the switching rod (48) is equal to the inner diameter of the connecting pipe (7), the switching rod (48) is connected with the connecting pipe (7) in a sliding mode, end face holes (61) are formed in two end faces of the switching rod (48), surface holes (49) penetrating through the side surface of the switching rod (48) are formed in the inner wall of each end face hole (61), and the surface holes (49) are used for enabling the guide pipes (47) to be communicated with the end face holes (61);

the opposite side surfaces of the connecting pipes (7) are provided with through grooves (50) communicated with the inside of the connecting pipes (7), the end parts of the connecting rods (51) penetrate through the through grooves (50), and the end parts of the connecting rods (51) are fixedly connected with the side surfaces of the corresponding switching rods (48);

a switching component for driving the switching rod (48) to slide in the connecting pipe (7).

8. The wastewater utilization device in ammonium sulfate production according to claim 7, wherein the switching component comprises:

the linkage gear (52) is arranged on the rotating shaft (8), and the linkage gear (52) is positioned between the two connecting pipes (7);

the plate groove (53) is arranged on the front side surface of the vertical plate (1), the sliding plates (54) are arranged on two sides of the rotating shaft (8), and the bottoms of the sliding plates (54) are connected with the plate groove (53) in a sliding manner;

the linkage rod (55) is positioned between the two sliding plates (54), an inner side groove (57) is formed in the inner side surface of each sliding plate (54), the end part of each linkage rod (55) is connected with the corresponding inner side groove (57) in a sliding mode, a straight rack is arranged on the side surface, facing the vertical plate (1), of each linkage rod (55), and the straight racks are matched with the linkage gears (52);

the linkage rod comprises two baffle plates (60) arranged on the side surface of the linkage rod (55), a limiting area is arranged between the two baffle plates (60), and the connecting rod (51) penetrates through the limiting area;

and the sliding piece is used for driving the linkage rod (55) to slide along the inner side groove (57).

9. The apparatus for utilizing waste water in ammonium sulfate production according to claim 8, wherein the sliding member comprises:

the second spring (58) is positioned in the inner side groove (57), one end of the second spring (58) is fixed on the side surface of the linkage rod (55), and the other end of the second spring (58) is fixed on the top of the inner side groove (57);

a pull rope (43) with one end fixedly connected with the end part of the rotating rod (12) close to the rotating shaft (8), and a second sliding block (56) fixedly connected with the other end of the pull rope (43), wherein the second sliding block (56) is in sliding connection with a second sliding groove (59) arranged on the side surface of the linkage rod (55);

the guide wheel (42) is arranged on the front side surface of the vertical plate (1), and the pull rope (43) winds around the guide wheel (42).

10. The use method of the wastewater utilization device in ammonium sulfate production according to any one of claims 1 to 9 is characterized by comprising the following steps:

the method comprises the following steps: the top pipe (5) is communicated with the side pipe (4) positioned right above the top pipe (5) through a communicating part, and the crystallization reactor (2) communicated with the inlet of the condenser (3) is communicated with the guide pipe (47) through a switching part;

step two: acid water and liquid ammonia enter into and carry out exothermic chemical reaction in the crystallization reactor (2) with condenser (3) import intercommunication, and partly ammonia and steam of separating out will enter into the crystallization reactor (2) with condenser (3) export intercommunication after condenser (3) condensation, form aqueous ammonia again:

step three: after the reaction in the crystallization reactor (2) communicated with the inlet of the condenser (3) is finished, taking out the generated substances, and cleaning the interior of the crystallization reactor (2) communicated with the inlet of the condenser (3);

step four: the communicating part enables the top pipe (5) to be separated from the side pipe (4), then the rotating part drives the condenser (3) to rotate 180 degrees, then the top pipe (5) is communicated with the side pipe (4) positioned right above the top pipe (5) through the communicating part, the switching part acts when the rotating part rotates, so that the crystallization reactor (2) storing ammonia water is communicated with the guide pipe (47), and at the moment, the crystallization reactor (2) storing ammonia water is communicated with the inlet of the condenser (3);

step five: and repeating the second step to the fourth step until all the acid water or liquid ammonia is consumed.

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