Liquid ammonia anti-crystallization crushing device

Abstract

The invention provides a liquid ammonia anti-crystallization crushing device, which relates to the technical field of liquid ammonia storage, and comprises a tank body, a tank cover arranged on the top of the tank body, a heating assembly arranged on the outer side of the tank body, a stirring assembly arranged on the tank cover, a liquid discharge pipeline fixedly connected to one side of the bottom of the tank body, a filter screen arranged at the liquid discharge pipeline, and a liquid inlet pipe group fixedly connected to the other side of the bottom of the tank body, a residual liquid and residual gas adsorption assembly is arranged on the liquid inlet pipe group; the device further comprises a stirring and smashing monitoring assembly which is used for monitoring and adjusting the liquid ammonia crystallization stirring and smashing process. The technical problem that after a liquid ammonia pipeline is blocked, a traditional heating structure cannot effectively digest and smash liquid ammonia crystals is solved.

Description

Technical Field

[0001] The invention belongs to the field of liquid ammonia storage, and in particular relates to a liquid ammonia anti-crystallization and breakage device. Background Art

[0002] Thermal power units use SCR technology to achieve NOx emissions. The SCR process is essentially a process of reducing NOx with ammonia (NH3). The raw material used for SCR flue gas denitrification is urea. When power plants configure SCR flue gas denitrification devices, they have a complete set of equipment to receive, store urea granules, urea solution, process hydrolysis, and correctly and safely provide ammonia to the reactor. The transportation of ammonia pipelines needs to ensure that the temperature of the ammonia solution after heating is higher than the crystallization temperature corresponding to the prepared concentration. Therefore, when the temperature drops suddenly and the unit is restarted after a long shutdown, liquid ammonia crystals in the ammonia pipelines are blocked many times, resulting in the denitrification system being unable to operate normally, causing the unit to over-emit NOx.

[0003] The usual solution to the crystal blockage in the ammonia supply pipeline is to heat the pipeline through an external heater to dissolve the ammonia crystals. However, the heating effect of this heating method is not good and it is not possible to effectively dissolve the liquid ammonia crystals blocking the pipeline, which not only affects the transportation efficiency of the liquid ammonia, but also a large number of tiny liquid ammonia crystals flow into the reactor with the liquid ammonia, reducing the quality of the liquid ammonia. Therefore, a device that can prevent liquid ammonia crystals and break them is now needed. Summary of the invention

[0004] The present invention provides a liquid ammonia anti-crystallization and crushing device to solve at least one technical problem raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention discloses a liquid ammonia anti-crystallization and crushing device, comprising: a tank body, a tank cover is provided on the top of the tank body, a heating component is provided on the outside of the tank body, a stirring component is provided on the tank cover, a drainage pipe is fixedly connected to one side of the bottom of the tank body, a filter screen is provided at the drainage pipe, a liquid inlet pipe group is fixedly connected to the other side of the bottom of the tank body, and a residual liquid and residual gas adsorption component is provided on the liquid inlet pipe group;

[0006] It also includes a stirring and crushing monitoring component, which is used to monitor and adjust the stirring and crushing process of liquid ammonia crystallization.

[0007] Preferably, the heating assembly includes a supporting base, a plurality of sliding columns are annularly fixed on the supporting base, a heating base is provided above the supporting base, a plurality of sliding channels are provided at the bottom of the heating base, the plurality of sliding columns are respectively slidably connected in the plurality of sliding channels, a compression elastic member is provided between the supporting base and the heating base, an outer tank body is fixedly connected to the heating base, a tank body is bolted to the outer tank body, a heating coil is provided between the outer tank body and the tank body, the heating coil is fixedly connected to the heating base, and a switch structure is provided at the center of the supporting base and the heating base.

[0008] Preferably, the switch structure includes a disconnect sleeve, which is bolted to the center of the supporting base, a disconnect terminal is bolted to the bottom of the disconnect sleeve, power supply lines are connected to both ends of the disconnect terminal, a connecting switch is slidably connected inside the disconnect sleeve, the connecting switch is bolted to the weighing sleeve, the weighing sleeve is fixedly connected to the center of the heating base, the connecting switch cooperates with the disconnect terminal, and the connecting switch is electrically connected to the heating coil.

[0009] Preferably, the switch structure includes a disconnect sleeve, which is bolted to the center of the supporting base, a disconnect terminal is bolted to the bottom of the disconnect sleeve, power supply lines are connected to both ends of the disconnect terminal, a connecting switch is slidably connected inside the disconnect sleeve, the connecting switch is bolted to the weighing sleeve, the weighing sleeve is fixedly connected to the center of the heating base, the connecting switch cooperates with the disconnect terminal, and the connecting switch is electrically connected to the heating coil.

[0010] Preferably, the crushing structure includes a cross star frame, which is keyed to the main rotating shaft, and each branch of the cross star frame is hinged with a cutting plate, and the sides of the four groups of cutting plates are fixedly connected with spoilers, and the other sides of the four groups of cutting plates are hinged with folding rods, and the other end of the folding rod is hinged to the reciprocating sleeve, and the bottom of the reciprocating sleeve is bolted with a grinding disc.

[0011] Preferably, the liquid inlet pipe group includes a liquid inlet pipe and a pressure pipe, both of which are fixedly connected to the bottom of the tank body, both of which are connected to the heating base through penetration, both of which are provided with switch valves, and both of which are provided with residual liquid and residual gas adsorption components.

[0012] Preferably, the residual liquid and residual gas adsorption assembly includes a closed sleeve, one end of the two closed sleeves corresponding to the two residual liquid and residual gas adsorption assemblies are respectively bolted to the liquid inlet pipe and the pressure pipe, a thread is provided at the port of the closed sleeve, and the other end of the closed sleeve is bolted to an adsorption tank, the adsorption tank is provided with adsorption material, a plurality of adsorption holes are provided on the inner wall of the adsorption tank, a discharge port is provided on the closed sleeve, an insulating hose is connected to the discharge port, the other end of the insulating hose is connected to the purified water tank, a vent is provided on the top of the purified water tank, and a closed structure is provided in the closed sleeve.

[0013] Preferably, the closed structure includes a closed valve core, which is slidably connected in a closed sleeve, and a compression elastic member 2 is provided between the closed valve core and the closed sleeve. A sealing plug is bolted to one end of the closed valve core, and a closed arc plate is fixedly connected to the sealing plug. The closed arc plate is slidably connected in the closed sleeve, and the discharge port and the closed arc plate cooperate with each other.

[0014] Preferably, the stirring and crushing monitoring component includes a control module, a data processing module, a detection module and an execution module, and the detection module includes:

[0015] Temperature sensor: used to detect the temperature of liquid ammonia, which is set on the tank;

[0016] Speed ​​sensor: used to detect the speed of the main shaft, which is set on the main shaft;

[0017] Displacement sensor: used to detect the telescopic length of the electric telescopic rod, which is set on the electric telescopic rod;

[0018] Collision sensing sensor 1: used to detect the number of collisions of one of the cutting plates by the liquid ammonia crystals, which is arranged on the cutting plate;

[0019] Collision sensor 2: used to measure the number of collisions of the grinding disc by liquid ammonia crystals, and is set on the grinding disc;

[0020] Time sensor: used to detect the heating time of liquid ammonia, which is set on the heating component;

[0021] The detection module is electrically connected to the data processing module, the control module is electrically connected to the data processing module and the execution module, and the control module controls the execution module to work based on the data results of the data processing module.

[0022] Preferably, the control module controls the execution module based on the data result of the data processing module, including the following steps:

[0023] Step 1: Calculate the stirring and crushing coefficient J based on the detection values ​​of the temperature sensor, the speed sensor, the displacement sensor, the collision sensor 1, the collision sensor 2 and the time sensor F :

[0024] Among them: J F is the stirring and crushing coefficient, Δ is the time compensation coefficient, e is the natural logarithm, the value is 2.71828, K is the gas coefficient, η is the liquid coefficient, T m is the near temperature of liquid ammonia crystallization, T is the detection value of the temperature sensor, t is the detection value of the time sensor, Z is the rotation compensation coefficient, n is the detection value of the speed sensor, L is the limit extension length of the electric telescopic rod, X is the detection value of the displacement sensor, B is the length of the folding rod, P z1 is the detection value of the collision sensor 1, P z2 is the detection value of the collision sensing sensor 2;

[0025] Step 2: Data processing module comparison F and J F0 , when J F <J F0 When based on J F Calculate the telescopic adjustment value A of the electric telescopic rod, when J F ≥JF0 No processing is done when:

[0026] A is the telescopic adjustment value of the electric telescopic rod, J F0 It is the reference value of stirring and crushing coefficient;

[0027] Step 3: The control module controls the execution module to drive the electric telescopic rod to adjust according to the telescopic adjustment value A. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0029] Figure 1 The structure of the present invention is schematically shown Figure 1 ;

[0030] Figure 2 The structure of the present invention is schematically shown Figure 2 ;

[0031] Figure 3 The structure of the present invention is schematically shown Figure 3 ;

[0032] Figure 4 It is a schematic structural diagram of the residual liquid and residual gas adsorption component of the present invention.

[0033] In the figure: 1. tank body; 11. tank cover; 12. drainage pipe; 13. filter screen; 2. heating component; 21. support base; 22. sliding column; 23. heating base; 24. sliding channel; 25. compression elastic member 1; 26. outer tank body; 27. heating coil; 3. switch structure; 31. disconnect sleeve; 32. disconnect terminal; 33. power supply line; 34. connecting switch; 35. weighing sleeve; 4. stirring component; 41. reduction box; 42. stirring motor; 43. main shaft; 44. electric telescopic rod; 45. reciprocating sleeve; 5. crushing Structure; 51. Cross star frame; 52. Cutting plate; 53. Spoiler; 54. Folding rod; 55. Grinding gear plate; 6. Liquid inlet pipe group; 61. Liquid inlet pipeline; 62. Pressure pipeline; 63. Switch valve; 7. Residual liquid and residual gas adsorption component; 71. Closing sleeve; 72. Thread; 73. Adsorption tank; 74. Adsorption material; 75. Adsorption hole; 76. Discharge port; 77. Insulated hose; 78. Purified water tank; 79. Ventilation port; 8. Closing structure; 81. Closing valve core; 82. Compression elastic member 2; 83. Sealing plug; 84. Closing arc plate. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0035] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0036] The present invention provides the following embodiments

[0037] Example 1

[0038] The embodiment of the present invention provides a liquid ammonia anti-crystallization and crushing device, such as Figure 1-4 As shown, it comprises: a tank body 1, a tank cover 11 is provided on the top of the tank body 1, a heating component 2 is provided on the outside of the tank body 1, a stirring component 4 is provided on the tank cover 11, a liquid discharge pipe 12 is fixedly connected to one side of the bottom of the tank body 1, a filter screen 13 is provided at the liquid discharge pipe 12, a liquid inlet pipe group 6 is fixedly connected to the other side of the bottom of the tank body 1, and a residual liquid and residual gas adsorption component 7 is provided on the liquid inlet pipe group 6;

[0039] It also includes a stirring and crushing monitoring component, which is used to monitor and adjust the stirring and crushing process of liquid ammonia crystallization.

[0040] The working principle and beneficial effects of the above technical solution are as follows: when liquid ammonia crystallizes in the tank body 1, the liquid ammonia in the tank body is heated by the heating component 2 outside the tank body 1, so that the liquid ammonia crystals in the tank body 1 are initially melted. Then, the stirring component 4 is started to stir the liquid ammonia, so that the inner and outer layers of the liquid ammonia solution are mixed, the inner and outer temperatures of the liquid ammonia solution are made consistent, the crystallization and melting are accelerated, and the larger liquid ammonia crystals are broken during the stirring process. Then, the stirring component 4 changes its structure, so that a vortex is formed inside the liquid ammonia, and the liquid ammonia crystals are adsorbed to the stirring component 4 for crushing. After the crystals inside the liquid ammonia are eliminated, the drainage pipe 12 is opened, and the liquid ammonia is transported outward through the drainage pipe 12. When liquid ammonia needs to be added to the tank, it is added by connecting the liquid inlet pipe group 6. The filling of liquid ammonia is achieved by the mutual balance of liquid addition and pressure relief. The residual liquid and residual gas adsorption component 7 adsorbs and eliminates the residual liquid ammonia and ammonia gas in the liquid inlet pipe group 6. The stirring and crushing monitoring component is used to monitor and adjust the stirring and crushing process of the liquid ammonia crystals, so as to realize intelligent control of the stirring and crushing process of the liquid ammonia crystals.

[0041] The present invention utilizes the heating component 2 to heat the liquid ammonia, so that the temperature of the liquid ammonia rises, thereby eliminating the liquid ammonia crystals. This design can make the liquid ammonia crystals on the inner wall of the tank body 1 dissolve and fall off, and prevent the liquid ammonia crystals from adhering to the inner wall of the tank body 1 and being unable to be subsequently crushed. The design of the stirring component 4 can further accelerate the dissolution of the liquid ammonia crystals and ensure the balance of the internal temperature of the liquid ammonia, and avoid the large temperature difference between the inside and outside of the liquid ammonia, which will collide and crush with the liquid ammonia crystals during the stirring process, further intensifying the dissolution of the liquid ammonia crystals. In addition, by changing the structure, a vortex is generated in the liquid ammonia to absorb and crush the liquid ammonia crystals, which can ensure that the crystals in the liquid ammonia are completely eliminated. The discharge pipe 12 passes through the filter The design of the net 13 can prevent liquid ammonia crystals from falling into the discharge pipe 12. The liquid inlet pipe group 6 can add liquid ammonia by pressure relief, which can effectively ensure the stability of the liquid ammonia in the tank body 1 and prevent the pressure in the tank body 1 from exceeding the safety limit and causing damage to the tank body 1. The design of the residual liquid and residual gas adsorption component 7 can ensure that the residual liquid ammonia and ammonia gas after the liquid inlet pipe group 6 is filled with liquid ammonia will not cause harm to the operator. The design of the stirring and crushing monitoring component can effectively avoid excessive stirring of the liquid ammonia and ensure the stability of the liquid ammonia storage. The device can effectively store liquid ammonia and effectively dissolve and crush the liquid ammonia crystals when the liquid ammonia crystals.

[0042] Example 2

[0043] On the basis of Example 1, the heating assembly 2 includes a support base 21, on which a plurality of sliding columns 22 are annularly fixed, a heating base 23 is provided above the support base 21, a plurality of sliding channels 24 are provided at the bottom of the heating base 23, a plurality of sliding columns 22 are respectively slidably connected in the plurality of sliding channels 24, a compression elastic member 25 is provided between the support base 21 and the heating base 23, an outer tank body 26 is fixedly connected to the heating base 23, a tank body 1 is bolted to the outer tank body 26, a heating coil 27 is provided between the outer tank body 26 and the tank body 1, the heating coil 27 is fixedly connected to the heating base 23, and a switch structure 3 is provided at the center of the support base 21 and the heating base 23.

[0044] The switch structure 3 includes a disconnect sleeve 31, which is bolted to the center of the support base 21, and a disconnect terminal 32 is bolted to the bottom of the disconnect sleeve 31. Power supply lines 33 are connected to both ends of the disconnect terminal 32. A connecting switch 34 is slidably connected inside the disconnect sleeve 31, and the connecting switch 34 is bolted to the weighing sleeve 35. The weighing sleeve 35 is fixedly connected to the center of the heating base 23. The connecting switch 34 cooperates with the disconnect terminal 32, and the connecting switch 34 is electrically connected to the heating coil 27.

[0045] Preferably, the outer tank body 26 is integrally formed with a heat preservation layer, a vacuum cavity and a heat insulation layer in sequence from the inside to the outside.

[0046] The working principle and beneficial effects of the above technical solution are as follows: when the tank body 1 is filled with liquid ammonia, the weight of the liquid ammonia causes the heating base 23 to drop, the sliding column 22 on the supporting base 21 slides along the sliding channel 24, and the compressive elastic member 25 between the supporting base 21 and the heating base 23 contracts, thereby causing the weighing sleeve 35 to slide in the disconnecting sleeve 31 until the connecting switch 34 on the weighing sleeve 35 and the disconnecting terminal 32 in the disconnecting sleeve 31 abut against each other, and the heating coil 27 and the power supply line 33 are connected. When it is necessary to heat the tank body 1, an external operator can turn on the heating switch. When there is no liquid ammonia in the tank body 1, the compressive elastic member 25 on the supporting base 21 and the heating base 23 stretches, so that the disconnecting terminal 32 and the connecting switch 34 are separated, the heating coil 27 and the power supply line 33 are disconnected, and the outer tank body 26 protects the tank body 1.

[0047] The present invention utilizes a support base 21 and a heating base 23 to support the tank body 1, and controls the expansion and contraction of a compression elastic member 25 by the weight of the liquid ammonia inside the tank body 1, so as to realize the on and off of the heating coil 27 and the power supply line 33. This design can ensure that when there is no liquid ammonia inside the tank body 1, the tank body 1 cannot be heated, thereby avoiding accidental touch by personnel leading to no-load heating of the tank body 1, and the design of the connecting switch 34 and the circuit breaker terminal 32 can freely switch on and off the heating coil 27 and the power supply line 33, thereby ensuring the safety of the operator's use of electricity.

[0048] Example 3

[0049] On the basis of Example 1, the stirring assembly 4 includes a reduction gearbox 41, which is bolted to the tank cover 11, and a stirring motor 42 is bolted to the top of the reduction gearbox 41. The input end of the reduction gearbox 41 is connected to the output end of the stirring motor 42, and the output end of the reduction gearbox 41 is connected to the main rotating shaft 43. The main rotating shaft 43 passes through and is rotatably connected to the tank cover 11. An electric telescopic rod 44 is bolted to the bottom of the main rotating shaft 43, and a reciprocating sleeve 45 is bolted to the output end of the electric telescopic rod 44. The reciprocating sleeve 45 is slidably connected to the main rotating shaft 43, and a crushing structure 5 is provided on the reciprocating sleeve 45 and the main rotating shaft 43.

[0050] The crushing structure 5 includes a cross star frame 51, which is key-connected to the main rotating shaft 43. Each branch of the cross star frame 51 is hinged with a cutting plate 52. The sides of the four groups of cutting plates 52 are fixedly connected with spoilers 53. The other sides of the four groups of cutting plates 52 are hinged with folding rods 54. The other end of the folding rod 54 is hinged to the reciprocating sleeve 45. The bottom of the reciprocating sleeve 45 is bolted with a grinding disc 55.

[0051] The beneficial effect of the above technical solution is as follows: when the liquid ammonia needs to be stirred, after the liquid ammonia is heated, the stirring motor 42 is started, and the power is transmitted to the main shaft 43 through the reduction box 41, and then the main shaft 43 drives the reciprocating sleeve 45 and the cross star frame 51 to rotate, thereby causing the cutting plate 52 and the spoiler 53 on the cross star frame 51 and the reciprocating sleeve 45 to rotate. During the rotation process, the liquid ammonia is stirred, and the liquid ammonia crystals are collided and crushed by the cutting plate 52 and the spoiler 53. When the crystal size of the liquid ammonia is When the pressure becomes smaller, the electric telescopic rod 44 is started to shrink, so that the reciprocating sleeve 45 slides along the main shaft 43, and then the folding rod 54 on the reciprocating sleeve 45 pulls the cutting plate 52 to rotate around the cross star frame 51, so that the four groups of cutting plates 52 are gathered toward the center of the reciprocating sleeve 45, and then the stirring motor 42 is started again, so that the four groups of cutting plates 52 and the spoiler 53 rotate, forming an inverted vortex in the liquid ammonia. Due to the adsorption effect of the vortex, the liquid ammonia crystals are gradually adsorbed to the grinding disc 55 on the reciprocating sleeve 45 for collision and crushing;

[0052] The present invention utilizes the main shaft 43 to drive the reciprocating sleeve 45 to rotate so that the cutting plate 52 and the spoiler 53 stir the liquid ammonia. This design can make the liquid ammonia fully mixed, so that the temperature inside and outside the liquid ammonia is consistent, avoiding the temperature difference of liquid ammonia caused by the heating component 2, which makes the solubility of the crystals inside and outside different. The design of the folding rod 54 and the cross star frame 51 can make the cutting plate 52 and the spoiler 53 change structure, generate eddy current in the liquid ammonia, and fully crush the remaining liquid ammonia crystals. This design accelerates the digestion rate of liquid ammonia crystals and ensures the supply of liquid ammonia in production and life.

[0053] Example 4

[0054] On the basis of Example 1, the liquid inlet pipe group 6 includes a liquid inlet pipe 61 and a pressure pipe 62, and the liquid inlet pipe 61 and the pressure pipe 62 are both fixedly connected to the bottom of the tank body 1, and the liquid inlet pipe 61 and the pressure pipe 62 are both connected to the heating base 23, and the liquid inlet pipe 61 and the pressure pipe 62 are both provided with a switch valve 63, and the liquid inlet pipe 61 and the pressure pipe 62 are both provided with a residual liquid and residual gas adsorption component 7.

[0055] The beneficial effects of the above technical solution are as follows: when filling liquid ammonia, first open the switch valve 63 to release the pressure in the liquid ammonia through the pressure pipe 62, then open the switch valve 63, and add liquid ammonia through the liquid inlet pipe 61. After the liquid ammonia is added, the residual liquid and residual gas remaining in the liquid inlet pipe 61 and the pressure pipe 62 are adsorbed by the residual liquid and residual gas adsorption component 7. During filling, the present invention increases and decreases the liquid ammonia and pressure in the tank body 1 through the liquid inlet pipe 61 and the pressure pipe 62 to avoid excessive pressure in the tank body 1 during filling, resulting in the rupture of the tank body 1. At the same time, the proportion of ammonia in the tank body 1 is reduced by pressure relief to ensure the stability of the liquid ammonia in the tank body 1.

[0056] Example 5

[0057] On the basis of Example 1, the residual liquid and residual gas adsorption component 7 includes a closed sleeve 71, and one end of the two closed sleeves 71 corresponding to the two residual liquid and residual gas adsorption components 7 are bolted to the liquid inlet pipe 61 and the pressure pipe 62 respectively, and a thread 72 is provided at the port of the closed sleeve 71. The other end of the closed sleeve 71 is bolted to an adsorption tank 73, and the adsorption tank 73 is provided with an adsorption material 74. The adsorption tank 73 has a plurality of adsorption holes 75 on the inner wall. The closed sleeve 71 is provided with a discharge port 76, and the discharge port 76 is connected to an insulating hose 77. The other end of the insulating hose 77 is connected to a purified water tank 78. A vent 79 is provided on the top of the purified water tank 78, and a closed structure 8 is provided in the closed sleeve 71.

[0058] The closing structure 8 includes a closing valve core 81, which is slidably connected in the closing sleeve 71. A compression elastic member 82 is provided between the closing valve core 81 and the closing sleeve 71. A sealing plug 83 is bolted to one end of the closing valve core 81. A closing arc plate 84 is fixedly connected to the sealing plug 83. The closing arc plate 84 is slidably connected in the closing sleeve 71, and the discharge port 76 cooperates with the closing arc plate 84.

[0059] The beneficial effects of the above technical solution are as follows: when filling liquid ammonia, the filling pipeline and the pressure relief pipeline are respectively bolted to the closed sleeve 71, and the filling pipeline and the pressure relief pipeline respectively press the closed valve core 81 to make it slide in the closed sleeve 71, squeeze and compress the elastic member 2 82, so that the sealing plug 83 is out of contact with the closed sleeve 71, and the closed arc plate 84 slides along the closed sleeve 71 to block the discharge port 76, and then the switch valve 63 is opened, and liquid is added and pressure is relieved through the liquid inlet pipeline 61 and the pressure pipeline 62. When the filling is completed, Close the switch valve 63, disconnect the charging pipe and the pressure relief pipe from the closed sleeve 71, compress the second elastic member 82 to reset the sealing plug 83, and release the sealing arc plate 84 from the discharge port 76. Most of the remaining residual liquid and residual gas are sealed in the closed sleeve 71, and a small part flows out of the closed sleeve 71. The residual liquid and residual gas in the closed sleeve 71 enters the purified water tank 78 through the discharge port 76 and is adsorbed. The residual liquid and residual gas flowing out of the closed sleeve 71 enters the adsorption tank 73 through the adsorption hole 75 and is absorbed by the adsorption material 74.

[0060] The present invention utilizes the design of the closed sleeve 71, the closed valve core 81 and the sealing plug 83 to prevent the residual liquid and residual gas from being widely diffused through the closed sleeve 71 after the liquid ammonia is filled, so that the residual liquid and residual gas can be processed in a centralized manner, and the design of the adsorption tank 73 and the purified water tank 78 can safely and effectively eliminate the residual liquid and residual gas, thereby preventing the ammonia from diffusing in the liquid inlet pipe 61 and the pressure pipe 62, which would affect the life safety of the operator.

[0061] Example 6

[0062] On the basis of Example 1, the stirring and crushing monitoring component includes a control module, a data processing module, a detection module and an execution module, and the detection module includes:

[0063] Temperature sensor: used to detect the temperature of liquid ammonia, which is arranged on the tank body 1;

[0064] Rotation speed sensor: used to detect the rotation speed of the main rotating shaft 43, and disposed on the main rotating shaft 43;

[0065] Displacement sensor: used to detect the telescopic length of the electric telescopic rod 44, and disposed on the electric telescopic rod 44;

[0066] Collision sensing sensor 1: the number of collisions of one of the cutting plates 52 by the liquid ammonia crystals, which is arranged on the cutting plate 52;

[0067] Collision sensor 2: used for detecting the number of collisions of the grinding disc 55 by the liquid ammonia crystals, and is arranged on the grinding disc 55;

[0068] Time sensor: used to detect the heating time of liquid ammonia, which is arranged on the heating component 2;

[0069] The detection module is electrically connected to the data processing module, the control module is electrically connected to the data processing module and the execution module, and the control module controls the execution module to work based on the data results of the data processing module.

[0070] The control module controls the execution module based on the data results of the data processing module, including the following steps:

[0071] Step 1: Calculate the stirring and crushing coefficient J based on the detection values ​​of the temperature sensor, the speed sensor, the displacement sensor, the collision sensor 1, the collision sensor 2 and the time sensor F :

[0072] Among them: J F is the stirring and crushing coefficient, Δ is the time compensation coefficient, the unit is s -1 , e is the natural logarithm, the value is 2.71828, K is the gas coefficient, the value range is 1-10, η is the liquid coefficient, the value range is 1-10, T m is the temperature near the crystallization of liquid ammonia, T is the detection value of the temperature sensor, t is the detection value of the time sensor, and Z is the rotation compensation coefficient, the unit is s 2 / times, n is the detection value of the speed sensor, L is the limit extension length of the electric telescopic rod 44, X is the detection value of the displacement sensor, B is the length of the folding rod 54, P z1 is the detection value of the collision sensor 1, P z2 is the detection value of the collision sensing sensor 2;

[0073] Step 2: Data processing module comparison F and J F0 , when J F <J F0 When based on J F Calculate the telescopic adjustment value A of the electric telescopic rod 44, when J F ≥J F0 No processing is done when:

[0074] A is the telescopic adjustment value of the electric telescopic rod 44, J F0 It is the reference value of stirring and crushing coefficient;

[0075] Step 3: The control module controls the execution module to drive the electric telescopic rod 44 to adjust according to the telescopic adjustment value A.

[0076] The beneficial effects of the above technical solution are as follows: since the liquid ammonia crystals will gradually transform from large crystals to small crystals under the heating and stirring state, when the crystals are too small, the stirring of the stirring component 4 will cause the liquid ammonia crystals to gradually gather and accumulate at the bottom of the liquid ammonia. Therefore, the stirring component 4 needs to be adjusted so that the cutting plate 52 of the stirring component 4 gradually moves closer to the center, and the gathered liquid ammonia crystals gradually float upward from large to small to collide and cut with the stirring component 4 until the cutting plate 52 gathers to the center, and the liquid ammonia crystals are adsorbed and floated to collide with the grinding tooth disk 55. Therefore, by monitoring the position information of the liquid ammonia crystals and the cutting plate during the stirring process, the length of the electric telescopic rod 44 is gradually adjusted to crush the liquid ammonia crystals.

[0077] The present invention utilizes a control module, a data processing module, a detection module and an execution module to monitor the stirring process of the stirring component 4. This design can not only ensure the crushing of liquid ammonia crystals during the stirring process, but also avoid excessive stirring, thereby improving the stirring efficiency.

[0078] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A liquid ammonia anti-crystallization and crushing device, characterized in that: include: A tank body (1), a tank cover (11) is provided on the top of the tank body (1), a heating component (2) is provided on the outside of the tank body (1), a stirring component (4) is provided on the tank cover (11), a liquid discharge pipe (12) is fixedly connected to one side of the bottom of the tank body (1), a filter screen (13) is provided at the liquid discharge pipe (12), a liquid inlet pipe group (6) is fixedly connected to the other side of the bottom of the tank body (1), and a residual liquid and residual gas adsorption component (7) is provided on the liquid inlet pipe group (6); It also includes a stirring and crushing monitoring component, which is used to monitor and adjust the stirring and crushing process of liquid ammonia crystallization.

2. A liquid ammonia anti-crystallization and crushing device according to claim 1, characterized in that: The heating assembly (2) comprises a support base (21), a plurality of sliding columns (22) are annularly fixed on the support base (21), a heating base (23) is arranged above the support base (21), a plurality of sliding channels (24) are arranged at the bottom of the heating base (23), the plurality of sliding columns (22) are respectively slidably connected in the plurality of sliding channels (24), a compression elastic member (25) is arranged between the support base (21) and the heating base (23), a tank body (1) and an outer tank body (26) are fixedly connected on the heating base (23), the tank body (1) and a tank cover (11) are bolted on the outer tank body (26), a heating coil (27) is arranged between the outer tank body (26) and the tank body (1), the heating coil (27) is fixedly connected to the heating base (23), and a switch structure (3) is arranged at the center of the support base (21) and the heating base (23).

3. A liquid ammonia anti-crystallization and crushing device according to claim 2, characterized in that: The switch structure (3) comprises a disconnect sleeve (31), the disconnect sleeve (31) is bolted to the center of the support base (21), the bottom of the disconnect sleeve (31) is bolted to a disconnect terminal (32), both ends of the disconnect terminal (32) are connected to power supply lines (33), a connection switch (34) is slidably connected inside the disconnect sleeve (31), the connection switch (34) is bolted to a weighing sleeve (35), the weighing sleeve (35) is fixedly connected to the center of the heating base (23), the connection switch (34) and the disconnect terminal (32) cooperate with each other, and the connection switch (34) is electrically connected to the heating coil (27).

4. A liquid ammonia anti-crystallization and crushing device according to claim 1, characterized in that: The stirring assembly (4) comprises a reduction box (41), the reduction box (41) is bolted to the tank cover (11), the top of the reduction box (41) is bolted to a stirring motor (42), the input end of the reduction box (41) is connected to the output end of the stirring motor (42), the output end of the reduction box (41) is connected to a main rotating shaft (43), the main rotating shaft (43) penetrates and is rotatably connected to the tank cover (11), the bottom of the main rotating shaft (43) is bolted to an electric telescopic rod (44), the output end of the electric telescopic rod (44) is bolted to a reciprocating sleeve (45), the reciprocating sleeve (45) is slidably connected to the main rotating shaft (43), and a crushing structure (5) is provided on the reciprocating sleeve (45) and the main rotating shaft (43).

5. A liquid ammonia anti-crystallization and crushing device according to claim 4, characterized in that: The crushing structure (5) comprises a cross star frame (51), the cross star frame (51) is key-connected to the main rotating shaft (43), each branch of the cross star frame (51) is hingedly connected to a cutting plate (52), the side surfaces of the four groups of cutting plates (52) are fixedly connected to spoiler plates (53), the other side surfaces of the four groups of cutting plates (52) are hingedly connected to folding rods (54), the other end of the folding rod (54) is hingedly connected to a reciprocating sleeve (45), and the bottom of the reciprocating sleeve (45) is boltedly connected to a grinding tooth disc (55).

6. The liquid ammonia anti-crystallization and crushing device according to claim 1, characterized in that: The liquid inlet pipe group (6) comprises a liquid inlet pipe (61) and a pressure pipe (62). The liquid inlet pipe (61) and the pressure pipe (62) are both fixedly connected to the bottom of the tank body (1). The liquid inlet pipe (61) and the pressure pipe (62) are both connected to the heating base (23). The liquid inlet pipe (61) and the pressure pipe (62) are both provided with a switch valve (63). The liquid inlet pipe (61) and the pressure pipe (62) are both provided with a residual liquid and residual gas adsorption component (7).

7. A liquid ammonia anti-crystallization and crushing device according to claim 6, characterized in that: The residual liquid and residual gas adsorption component (7) comprises a closed sleeve (71), one end of the two closed sleeves (71) corresponding to the two residual liquid and residual gas adsorption components (7) are respectively bolted to the liquid inlet pipe (61) and the pressure pipe (62), a thread (72) is provided at the end of the closed sleeve (71), the other end of the closed sleeve (71) is bolted to an adsorption tank (73), the adsorption tank (73) is provided with an adsorption material (74), the inner wall of the adsorption tank (73) is provided with a plurality of adsorption holes (75), the closed sleeve (71) is provided with a discharge port (76), the discharge port (76) is connected to a heat insulation hose (77), the other end of the heat insulation hose (77) is connected to a purified water tank (78), a vent (79) is provided at the top of the purified water tank (78), and a closed structure (8) is provided in the closed sleeve (71).

8. The liquid ammonia anti-crystallization and crushing device according to claim 7, characterized in that: The closing structure (8) comprises a closing valve core (81), the closing valve core (81) is slidably connected in the closing sleeve (71), a second compression elastic member (82) is provided between the closing valve core (81) and the closing sleeve (71), a sealing plug (83) is bolted to one end of the closing valve core (81), a closing arc plate (84) is fixedly connected to the sealing plug (83), the closing arc plate (84) is slidably connected in the closing sleeve (71), and the discharge port (76) and the closing arc plate (84) cooperate with each other.

9. The liquid ammonia anti-crystallization and crushing device according to claim 1, characterized in that: The stirring and crushing monitoring component includes a control module, a data processing module, a detection module and an execution module. The detection module includes: Temperature sensor: used to detect the temperature of liquid ammonia, and arranged on the tank body (1); A rotation speed sensor: used for detecting the rotation speed of the main rotating shaft (43), and arranged on the main rotating shaft (43); A displacement sensor: used to detect the contraction length of the electric telescopic rod (44), and arranged on the electric telescopic rod (44); Collision sensing sensor 1: used to detect the number of collisions of one of the cutting plates (52) by the liquid ammonia crystals, and arranged on the cutting plate (52); Collision sensing sensor 2: used to detect the number of collisions of the grinding tooth disc (55) by the liquid ammonia crystals, and is arranged on the grinding tooth disc (55); A time sensor: used to detect the heating time of liquid ammonia, and arranged on the heating component (2); The detection module is electrically connected to the data processing module, the control module is electrically connected to the data processing module and the execution module, and the control module controls the execution module to work based on the data results of the data processing module.

10. A liquid ammonia anti-crystallization and crushing device according to claim 9, characterized in that: The control module controls the execution module based on the data results of the data processing module, including the following steps: Step 1: Calculate the stirring and crushing coefficient J based on the detection values ​​of the temperature sensor, the speed sensor, the displacement sensor, the collision sensor 1, the collision sensor 2 and the time sensor F : Among them: J F is the stirring and crushing coefficient, Δ is the time compensation coefficient, e is the natural logarithm, the value is 2.71828, K is the gas coefficient, η is the liquid coefficient, T m is the near-crystallization temperature of liquid ammonia, T is the detection value of the temperature sensor, t is the detection value of the time sensor, Z is the rotation compensation coefficient, n is the detection value of the rotation speed sensor, L is the limit extension length of the electric telescopic rod (44), X is the detection value of the displacement sensor, B is the length of the folding rod (54), P z1 is the detection value of the collision sensor 1, P z2 is the detection value of the collision sensing sensor 2; Step 2: Data processing module comparison F and J F0 , when J F <J F0 When based on J F Calculate the telescopic adjustment value A of the electric telescopic rod (44), when J F ≥J F0 No processing is done when: A is the telescopic adjustment value of the electric telescopic rod (44), J F0 It is the reference value of stirring and crushing coefficient; Step 3: The control module controls the execution module to drive the electric telescopic rod (44) to adjust according to the telescopic adjustment value A.

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