CN214501843U

CN214501843U - Cold box thawing apparatus for synthetic ammonia process

Info

Publication number: CN214501843U
Application number: CN202120742909.XU
Authority: CN
Inventors: 张良
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-10-26
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a cold box thawing apparatus for synthetic ammonia technology, including box and drying cabinet, the box top is provided with the round mouth, the round mouth top is connected with the pipe that unfreezes, unfreeze pipe one end and drying cabinet one side fixed connection, the welding of drying cabinet bottom four corners has the landing leg, the outer wall cover of pipe that unfreezes is equipped with the coil that adjusts the temperature, the base is installed to box outer wall one side, base top surface welding has the power supply box, the inside fixed mounting of power supply box has the battery, and the battery passes through wire and the coil electric connection that adjusts the temperature, install in the inside bottom of box that there is the hang plate top central point to put vertically and install telescopic pneumatic cylinder, telescopic pneumatic cylinder output is connected with the sponge that absorbs water, and absorb water sponge and the laminating of the intraductal wall of unfreezing. This kind of cold box thawing apparatus for synthetic ammonia technology, simple structure is reasonable, and the modern design can effectively improve the purity of product, and easy operation is convenient, has higher practical value.

Description

Cold box thawing apparatus for synthetic ammonia process

Technical Field

The utility model relates to an industrial synthesis technical field specifically is a cold box thawing apparatus for synthetic ammonia technology.

Background

The synthetic ammonia refers to ammonia directly synthesized by nitrogen and hydrogen under high temperature and high pressure and in the presence of a catalyst, and is a basic inorganic chemical process. In the modern chemical industry, ammonia is the main raw material for the fertilizer industry and for basic organic chemicals. The synthetic ammonia industry was developed in the early 20 th century, ammonia was used as a raw material in the explosive industry for war service, and after world war for the first time, the industry was turned to agricultural and industrial service. With the development of scientific technology, the demand of ammonia is increasing. In the production process, due to unexpected fluctuation of a system, trace amounts of H2O, CO2 and oil enter a cold box, freezing occurs, process gas circulation is blocked, cold box resistance rises, cold exchange is influenced, production cannot be carried out under severe conditions, and therefore the cold box needs to be unfrozen.

Current cold box thawing apparatus, in the process of using, can only carry out simple unfreezing to the ammonia, because the improvement of thawing temperature leads to the partial moisture that carries in the ammonia, condenses into the drop of water, inside attached to the device, long-term accumulation for the inside moisture content of device is too big, and the ammonia that leads to later unfreezing is in moist environment, has humidified the ammonia, has reduced the quality of ammonia. Therefore, the cold box thawing device for the synthetic ammonia process is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a cold box thawing apparatus for synthetic ammonia technology, including box and drying cabinet, the box top is provided with the round mouth, the round mouth top is connected with the pipe that unfreezes, unfreeze pipe one end and drying cabinet one side fixed connection, the welding of drying cabinet bottom four corners has the landing leg, the outer wall cover of pipe that unfreezes is equipped with the temperature regulation coil, the base is installed to box outer wall one side, base top surface welding has the power supply box, the inside fixed mounting of power supply box has the battery, just the battery passes through wire and temperature regulation coil electric connection, the inside bottom of box is installed and is had the vertical telescopic pneumatic cylinder of installing in hang plate top central point position, telescopic pneumatic cylinder output is connected with the sponge that absorbs water, just the sponge that absorbs water laminates with the intraductal wall of unfreezing.

As an optimal technical scheme of the utility model, inside a pair of drying plate, a pair of being equipped with of drying cabinet drying plate both sides all are provided with the slide rail, just the drying cabinet is provided with the spout with the mutual block of slide rail at the inner wall that is close to the drying plate.

As an optimized technical scheme of the utility model, the handle is installed to drying plate outer wall one side, just the inside packing of drying plate has a plurality of soda lime.

As a preferred technical scheme of the utility model, the box is installing the iron wire and is leaking the net near telescopic hydraulic cylinder's inner wall, just telescopic hydraulic cylinder output runs through the iron wire and leaks the net.

As an optimized technical scheme of the utility model, box outer wall bottom is provided with the outlet, the inside block of outlet has the knob stopper.

As an optimal technical scheme of the utility model, the sealing washer is installed with the junction of unfreezing the pipe to the box, just the sealing washer adopts rubber materials to make.

As a preferred technical scheme of the utility model, the box outer wall is provided with the inlet port, the inlet port outer wall is provided with the screw thread, just inlet port outer wall threaded connection has the nut.

As a preferred technical scheme of the utility model, the welding of box bottom has the chassis, just chassis bottom surface is provided with a plurality of anti-skidding textures.

The utility model has the advantages that:

1. according to the thawing device for the cold box for the synthetic ammonia process, the device has the capability of removing condensed water drops by means of mutual matching of the telescopic hydraulic cylinder, the water absorption sponge and the iron wire leakage net, the condensed water drops of the thawing pipe after thawing can be absorbed by the water absorption sponge by means of the fit relation of the water absorption sponge and the thawing pipe, the water absorption sponge is driven to move up and down on the inner wall of the thawing pipe by means of up-and-down stretching of the telescopic hydraulic cylinder, meanwhile, the water absorption sponge is moved to the iron wire leakage net to be subjected to tensile force extrusion, liquid water in the water absorption sponge is extruded out, and through the dehumidification mode, the moisture content in the device is reduced, the thawed ammonia gas is driven to reach a proper drying degree, and the quality of the ammonia gas is improved;

2. according to the cold box unfreezing device for the synthetic ammonia process, due to the fact that the drying box, the drying plate and the soda lime are matched with each other, ammonia after unfreezing can be dried to a certain extent, the drying plate arranged inside the drying box is used, the ammonia passes through the drying plate after entering the drying box, the soda lime filled inside the drying plate is used, residual moisture carried in the ammonia can be absorbed, and meanwhile, the drying plate can be replaced more conveniently due to the sliding connection relation between the drying box and the drying plate;

3. according to the cold box unfreezing device for the synthetic ammonia process, the inclined plate and the knob plug are matched with each other, so that the box body can be subjected to centralized discharge treatment after a certain amount of condensed water is collected, liquid water cannot be reserved in the box body due to the fact that the inclined plate is inclined at an angle, then the knob plug of the water outlet is opened, drainage work is more convenient, meanwhile, pollution caused by the collected liquid water is avoided through a centralized treatment mode, and the ecological environment is effectively protected; the utility model has the advantages of simple and reasonable structure, the modern design can effectively improve the purity of product, and easy operation is convenient, has higher practical value.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of a cold box thawing apparatus for ammonia synthesis process of the present invention;

FIG. 2 is a partial cross-sectional view of the cold box thawing apparatus for ammonia synthesis process of the present invention;

fig. 3 is a drying plate mechanism diagram of a cold box thawing device for a synthetic ammonia process of the utility model.

In the figure: 1. a box body; 2. a drying oven; 3. unfreezing the tube; 4. a temperature adjusting coil; 5. a chassis; 6. an air inlet port; 7. a nut; 8. a support leg; 9. drying the plate; 10. a water-absorbing sponge; 11. a steel wire leakage net; 12. a telescopic hydraulic cylinder; 13. a power supply box; 14. a storage battery; 15. a knob plug; 16. a base; 17. an inclined plate; 18. a seal ring; 19. a handle; 20. a slide rail; 21. soda lime.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a cold box thawing apparatus for synthetic ammonia technology, including box 1 and drying cabinet 2, 1 top of box is provided with the round mouth, the round mouth top is connected with unfreezes tub 3, unfreeze tub 3 one end and drying cabinet 2 one side fixed connection, the welding of 2 bottom four corners of drying cabinet has landing leg 8, unfreeze tub 3 outer wall cover and be equipped with temperature regulating coil 4, base 16 is installed to 1 outer wall one side of box, 16 top skin weld of base has power supply box 13, the inside fixed mounting of power supply box 13 has battery 14, and battery 14 passes through wire and temperature regulating coil 4 electric connection, the inside bottom of box 1 is installed and is had the vertical telescopic pneumatic cylinder 12 of installing in hang plate 17 top central point position, telescopic pneumatic cylinder 12 output is connected with the sponge 10 that absorbs water, and the sponge 10 that absorbs water is laminated mutually with 3 inner walls of unfreezing tub.

Wherein, 2 inside drying cabinet 9 that are equipped with of drying cabinet, a pair of drying cabinet 9 both sides all are provided with slide rail 20, and drying cabinet 2 is provided with the spout with the mutual block of slide rail 20 in the inner wall that is close to drying cabinet 9, through the sliding connection of slide rail 20 with the spout for it is more convenient to change drying cabinet 9.

Wherein, handle 19 is installed to drying plate 9 outer wall one side, and drying plate 9 is inside to be filled with a plurality of soda lime 21, through the water absorption characteristic of soda lime 21 for the ammonia that passes through soda lime 21 can not take place chemical reaction with soda lime 21.

Wherein, box 1 installs wire leaking net 11 near telescopic hydraulic cylinder 12's inner wall, and telescopic hydraulic cylinder 12 output runs through wire leaking net 11, leaks net 11 and the extrusion of sponge 10 that absorbs water through the wire for the liquid water of the inside storage of sponge 10 that absorbs water is expelled.

Wherein, 1 outer wall bottom of box is provided with the outlet, and the inside block of outlet has knob stopper 15, and knob stopper 15 through opening the outlet for the work of drainage carries out more conveniently.

Wherein, the sealing washer 18 is installed with the junction of thawing pipe 3 to box 1, and sealing washer 18 adopts rubber materials to make, through the leakproofness of sealing washer 18 for the ammonia is when thawing pipe 3, avoids taking place to leak.

Wherein, the outer wall of box 1 is provided with inlet port 6, and the 6 outer walls of inlet port are provided with the screw thread, and 6 outer wall threaded connection of inlet port have nut 7, and is rotatory through the screw thread of nut 7 for the device is when inserting the ammonia pipe, and is more firm.

Wherein, the welding of 1 bottom of box has

chassis

5, and 5 bottom surfaces on chassis are provided with a plurality of anti-skidding textures, stably supports through chassis 5 for the inside device of box 1 can steadily operate.

The working principle is as follows: when the cold box thawing device for the synthetic ammonia process is used, firstly, the device is communicated with an ammonia gas conduit, and the ammonia gas conduit connected into the device is enabled to be more fastened through the thread rotation of the nut 7, the condensed water drops can be absorbed by the water-absorbing sponge 10 through the mutual matching of the telescopic hydraulic cylinder 12, the water-absorbing sponge 10 and the wire strainer 11, the device has the capability of removing the condensed water drops, the water drops condensed after the thawing of the thawing pipe 3 can be absorbed by the water-absorbing sponge 10 through the attaching relation of the water-absorbing sponge 10 and the thawing pipe 3, the water-absorbing sponge 10 is enabled to move up and down on the inner wall of the thawing pipe through the up-and-down telescopic pushing of the telescopic hydraulic cylinder 12, meanwhile, the water-absorbing sponge 10 is moved onto the wire strainer 11 to be extruded through tension, so that the liquid water in the water-absorbing sponge 10 is extruded out, and the moisture content in the device is reduced through the dehumidification mode, the unfreezing ammonia gas is promoted to reach the proper drying degree, so that the quality of the ammonia gas is improved, the unfreezing ammonia gas for the synthetic ammonia process can be dried to a certain degree through the mutual matching of the drying box 2, the drying plate 9 and the soda lime 21, the unfreezing ammonia gas can be dried to a certain degree, the drying plate 9 arranged inside the drying box 2 is utilized, the ammonia gas passes through the drying plate 9 after entering the drying box, the soda lime 21 filled inside the drying plate 9 is utilized, the residual moisture carried in the ammonia gas can be absorbed, meanwhile, the drying box 2 and the drying plate 9 are connected in a sliding manner, the drying plate 9 is more convenient to replace, and the unfreezing device for the synthetic ammonia process can be intensively discharged and processed after a certain amount of condensed water is collected by the box body through the mutual matching of the inclined plate 17 and the knob plug 15, the liquid water cannot be reserved in the box body 1 by utilizing the angle inclination of the inclined plate 17, and then the knob plug 15 of the water outlet is opened, so that the drainage work is more convenient, meanwhile, the collected liquid water is prevented from being polluted by a centralized treatment mode, and the ecological environment is effectively protected; the utility model has the advantages of simple and reasonable structure, the modern design can effectively improve the purity of product, and easy operation is convenient, has higher practical value.

Claims

1. The utility model provides a cold box thawing apparatus for synthetic ammonia technology, includes box (1) and drying cabinet (2), its characterized in that, box (1) top is provided with the round mouth, the round mouth top is connected with freezes pipe (3), it freezes pipe (3) one end and drying cabinet (2) one side fixed connection to dissolve, the welding of drying cabinet (2) bottom four corners has landing leg (8), it is equipped with temperature regulation coil (4) to dissolve pipe (3) outer wall cover, base (16) are installed to box (1) outer wall one side, the surface welding in base (16) top has power supply box (13), power supply box (13) inside fixed mounting has battery (14), just battery (14) pass through wire and temperature regulation coil (4) electric connection, box (1) inside bottom is installed and is had hang plate (17) top central point to put vertical telescopic pneumatic cylinder (12) of installing, the output end of the telescopic hydraulic cylinder (12) is connected with a water absorption sponge (10), and the water absorption sponge (10) is attached to the inner wall of the unfreezing pipe (3).

2. The cold box unfreezing device for the synthetic ammonia process according to claim 1, wherein a pair of drying plates (9) is arranged inside the drying box (2), slide rails (20) are arranged on two sides of each drying plate (9), and a sliding groove which is mutually clamped with the slide rails (20) is arranged on the inner wall of the drying box (2) close to the drying plates (9).

3. A cold box thawing apparatus for ammonia synthesis process according to claim 2, wherein a handle (19) is installed on one side of the outer wall of the drying plate (9), and a plurality of soda lime (21) is filled inside the drying plate (9).

4. The cold box thawing apparatus for ammonia synthesis process according to claim 1, wherein the box body (1) is provided with a wire-mesh screen (11) near the inner wall of the telescopic hydraulic cylinder (12), and the output end of the telescopic hydraulic cylinder (12) penetrates through the wire-mesh screen (11).

5. The cold box unfreezing device for the synthetic ammonia process according to claim 1, wherein a water outlet is formed in the bottom end of the outer wall of the box body (1), and a knob plug (15) is clamped inside the water outlet.

6. The cold box unfreezing device for the synthetic ammonia process according to claim 1, wherein a sealing ring (18) is installed at the joint of the box body (1) and the unfreezing pipe (3), and the sealing ring (18) is made of a rubber material.

7. The cold box thawing apparatus for ammonia synthesis process according to claim 1, wherein the outer wall of the box body (1) is provided with an air inlet port (6), the outer wall of the air inlet port (6) is provided with threads, and the outer wall of the air inlet port (6) is connected with a nut (7) in a threaded manner.

8. The cold box unfreezing device for the synthetic ammonia process according to claim 1, wherein a bottom plate (5) is welded at the bottom end of the box body (1), and a plurality of anti-skid textures are arranged on the surface of the bottom end of the bottom plate (5).