Ammonia air cooling dehumidification system for porous ammonium nitrate

Abstract

The utility model relates to an ammonia air cooling dehumidification system for porous ammonium nitrate, which comprises an air filter, a front air pump, an ammonia air cooler, a gas-liquid separator and a rear air pump, an air outlet of the air filter is communicated with an air inlet of the front air pump, an air outlet of the front air pump is communicated with an air inlet of the ammonia air cooler, and an air outlet of the gas-liquid separator is communicated with an air outlet of the rear air pump. An air outlet of the ammonia air cooler is communicated with air inlets of the gas-liquid separators, air outlets of the gas-liquid separators are communicated with an air inlet of the rear air pump, and the number of the gas-liquid separators is two. Air inlets of the two sets of gas-liquid separators are connected to an air outlet of the ammonia air cooler in parallel through pipelines, air outlets of the two sets of gas-liquid separators are connected to an air inlet of the rear air pump in parallel through pipelines, and control valves are arranged on the pipelines. According to the utility model, the condensate water can be better separated from the air, and the dehumidification effect is better.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the dehumidification technical field, concretely relates to a porous ammonium nitrate ammonia air cooling dehumidification system. BACKGROUND

[0002] ‌At present, in the production process of porous ammonium nitrate, porous ammonium nitrate particles need to be sent into fluidized bed cooler to be cooled by air, and due to the hygroscopic property of porous ammonium nitrate, in order to ensure product quality, the air must be dehumidified before contacting the porous ammonium nitrate particles. Therefore, at present, before the air contacts the porous ammonium nitrate particles, the air is usually first de-dusted by an air filter, then the air temperature is reduced by an ammonia air cooler, then the condensed water in the cooled air is separated out by a baffle plate separator, and finally the dry cooling air contacts the porous ammonium nitrate particles to cool the porous ammonium nitrate particles. But in actual application, the separation effect of the baffle plate separator is not good, resulting in that part of the condensed water enters the subsequent system with the air, so that the moisture content of the porous ammonium nitrate particles increases after passing through the fluidized bed, increasing the risk of product caking and affecting the product quality, which needs to be improved. SUMMARY

[0003] Therefore, the utility model aims at providing a porous ammonium nitrate ammonia air cooling dehumidification system, which can better separate the condensed water from the air and has better dehumidification effect, so as to solve the above problems.

[0004] The utility model provides to adopt the technical scheme that a kind of porous ammonium nitrate's ammonia air cooling dehumidification system, including air filter, front air pump, ammonia air cooler, gas-liquid separator and rear air pump, the air outlet of air filter is communicated with the air inlet of front air pump, the air outlet of front air pump is communicated with the air inlet of ammonia air cooler, the air outlet of ammonia air cooler is communicated with the air inlet of gas-liquid separator, the air outlet of gas-liquid separator is communicated with the air inlet of rear air pump, the gas-liquid separator has two groups, and the air inlet of two groups of gas-liquid separator is connected in parallel on the air outlet of ammonia air cooler by pipeline, and air outlet is connected in parallel on the air inlet of rear air pump by pipeline, all be equipped with control valve on the pipeline, and the gas-liquid separator includes box, the front end of the box is open and can be open and closed and is connected with sealing door, and the box is detachably equipped with vertical baffle in, vertical hollow cylindrical silk screen coagulation filter element is equipped in the box of baffle left side, and the top and bottom both ends of silk screen coagulation filter element are in abutment with the box, and the side close to baffle is detachably connected with baffle, and the air inlet of gas-liquid separator is located on the side of the box of silk screen coagulation filter element left side, and the box is equipped with baffle group in baffle right side, and the end close to baffle of baffle group is detachably connected with baffle, and the other end is in abutment with corresponding box, and the air outlet of gas-liquid separator is located on the top of the box above baffle group, and the lower portion of baffle group is equipped with gas distributor, and the bottom of gas distributor is communicated with the bottom of corresponding box in the inside of silk screen coagulation filter element by conveying pipe, and the bottom of the box is fixedly connected with collecting hopper, and the bottom of collecting hopper is communicated with drain pipe with drain valve, and the bottom of the side of the box of silk screen coagulation filter element is communicated with water outlet pipe, and water outlet valve is equipped on the water outlet pipe and its tail end is communicated with collecting hopper, and the bottom of corresponding box below baffle group is equipped with a plurality of water holes, which are communicated with collecting hopper.

[0005] Preferably, the top and bottom of the corresponding box of the baffle are provided with insertion slots, the top and bottom of the baffle are inserted into the corresponding insertion slots, a hydraulic cylinder is fixedly arranged on the top of the corresponding box of the baffle, the piston rod of the hydraulic cylinder faces downward and is fixedly connected with a lifting plate, a plurality of insertion rods are fixedly arranged on the bottom of the lifting plate along the length direction of the lifting plate, a through hole is arranged on the top of the corresponding box of the insertion rod, and a blind hole is arranged on the top of the corresponding baffle, the lifting plate abuts against the top of the box, and the insertion rod penetrates through the corresponding through hole and is inserted into the corresponding blind hole.

[0006] Preferably, a U-shaped mounting seat is fixedly arranged on the left side of the baffle, the opening of the mounting seat faces the silk screen coagulation filter element, a first internal thread through hole is arranged on the upper portion of the mounting seat, and a first internal thread blind hole is arranged on the lower portion of the mounting seat, an installation plate is fixedly arranged on the right side of the silk screen coagulation filter element, a second internal thread through hole is arranged on the installation plate, the installation plate is inserted into the mounting seat, and the first internal thread through hole, the second internal thread through hole and the first internal thread blind hole are correspondingly and screw-connected with the same first butterfly bolt.

[0007] Preferably, the right side of the partition plate is provided with a mounting groove in the front-rear direction, the bottom of the mounting groove is provided with a second inner threaded blind hole, the left end of the baffle plate group is fixedly connected with a support plate, the upper and lower ends of the support plate are provided with a third inner threaded through hole, the support plate is inserted into the mounting groove, and the third inner threaded through hole is correspondingly screwed with the second inner threaded blind hole on the same side and the same second butterfly bolt.

[0008] Preferably, the baffle plate of the baffle plate group is a hook-shaped baffle plate with a hook plate.

[0009] The air for cooling porous ammonium nitrate is cooled and dehumidified, the air is preliminarily dust-removing treated by using the air filter, the air is cooled and cooled by using the ammonia air cooler, the air carrying condensed water after cooling is sent into the gas-liquid separator for gas-liquid separation, and finally the separated low-temperature dry air is sent to the fluidized bed cooler for cooling of the porous ammonium nitrate. The parallel connection of the two groups of gas-liquid separators can form a use mode of one for use and one for standby when the air is actually treated, that is, the air only flows through one group of gas-liquid separators at the same time period by the control valve on the corresponding pipeline, and when the gas-liquid separator needs to be overhauled, the other group of gas-liquid separators can be used, so that the gas-liquid separator can be maintained without stopping, and the detachable connection between the wire mesh coagulation filter element and the partition plate, the detachable connection between the baffle plate group and the partition plate and the detachable connection between the partition plate and the box body are more conducive to the separate disassembly and replacement of the wire mesh coagulation filter element, the separate disassembly and replacement of the baffle plate group or the disassembly and replacement of the wire mesh coagulation filter element and the baffle plate group as a whole, and the whole use is more flexible, convenient and practical. When the air enters the box body of the gas-liquid separator, the air can first be located on the left side of the partition plate and flow from outside to inside through the wire mesh coagulation filter element, so that the condensed water carried by the air can be preliminarily and effectively filtered and separated under the action of the wire mesh coagulation filter element, small droplets in the airflow can be coalesced into larger droplets, and the large droplets can fall to the outer circumferential side of the wire mesh coagulation filter element under the action of gravity, and the subsequent water can be discharged to the collecting hopper through the water outlet pipe by opening the water outlet valve. Then, the airflow entering the inside of the wire mesh coagulation filter element can be transported through the conveying pipe and redistributed by the gas distributor, and uniformly flows upwards through the baffle plate group, so that the condensed water carried by the air can be further removed under the action of the baffle plate group, and the separated water droplets can fall and be discharged to the collecting hopper through the corresponding water hole. In this way, the wire mesh and the baffle plate are combined to realize double gas-water separation treatment of the cooled air, the overall dehumidification effect is better, the dryness of the air entering the fluidized bed cooler can be better guaranteed, and the cooling quality of the porous ammonium nitrate can be better guaranteed, so that the utility model is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 is the main view structure schematic diagram of the utility model;

[0011] Fig. 2 is the main view structure schematic diagram of the gas-liquid separator of the utility model;

[0012] Fig. 3 is the main view structure schematic diagram of the gas-liquid separator of the utility model;

[0013] Fig. 4 is the main view structure schematic diagram of the box of the utility model;

[0014] Fig. 5 is the main view structure schematic diagram of the partition plate of the utility model;

[0015] Fig. 6 is the main view structure schematic diagram of the silk screen coagulation filter element of the utility model;

[0016] Fig. 7 is the main view structure schematic diagram of the baffle plate group of the utility model.

[0017] The figure mark: 1 is air filter, 2 is front air pump, 3 is ammonia air cooler, 4 is gas-liquid separator, 5 is rear air pump, 6 is pipeline, 7 is control valve, 8 is box, 9 is sealing door, 10 is partition plate, 11 is silk screen coagulation filter element, 12 is baffle plate group, 13 is gas distributor, 14 is conveying pipe, 15 is collection hopper, 16 is drain valve, 17 is drain pipe, 18 is outlet pipe, 19 is outlet valve, 20 is water hole, 21 is insertion slot, 22 is hydraulic cylinder, 23 is lifting plate, 24 is insertion rod, 25 is through hole, 26 is blind hole, 27 is mounting seat, 28 is first internal thread through hole, 29 is first internal thread blind hole, 30 is mounting plate, 31 is second internal thread through hole, 32 is first butterfly bolt, 33 is mounting groove, 34 is second internal thread blind hole, 35 is support plate, 36 is third internal thread through hole, 37 is second butterfly bolt, 38 is hook plate. DETAILED DESCRIPTION

[0018] The utility model will be described further in detail in combination with the drawings and specific implementation:

[0019] For example, Figs. 1 to 7As shown, a porous ammonium nitrate ammonia air cooling dehumidification system, comprising an air filter 1, a pre-air pump 2, an ammonia air cooler 3, a gas-liquid separator 4 and a post-air pump 5, the air outlet of the air filter 1 is communicated with the air inlet of the pre-air pump 2, the air outlet of the pre-air pump 2 is communicated with the air inlet of the ammonia air cooler 3, the air outlet of the ammonia air cooler 3 is communicated with the air inlet of the gas-liquid separator 4, and the air outlet of the gas-liquid separator 4 is communicated with the air inlet of the post-air pump 5. The gas-liquid separator 4 has two groups, and the air inlets of the two groups of gas-liquid separators 4 are connected in parallel on the air outlet of the ammonia air cooler 3 through pipelines 6, and the air outlets are connected in parallel on the air inlet of the post-air pump 5 through pipelines 6, and control valves 7 are arranged on the pipelines 6. The gas-liquid separator 4 comprises a box body 8, the front end of the box body 8 is open and is connected with a sealing door 9 which can be opened and closed, and a vertical partition plate 10 is detachably arranged in the box body 8. A hollow cylindrical wire mesh coagulation filter element 11 is vertically arranged in the left side of the box body 8, the top and bottom ends of the wire mesh coagulation filter element 11 abut against the box body 8, and the side close to the partition plate 10 is detachably connected with the partition plate 10, and the air inlet of the gas-liquid separator 4 is arranged on the side of the box body 8 left to the wire mesh coagulation filter element 11. A baffle group 12 is arranged in the box body 8 right to the partition plate 10, one end of the baffle group 12 close to the partition plate 10 is detachably connected with the partition plate 10, and the other end abuts against the corresponding box body 8, and the air outlet of the gas-liquid separator 4 is arranged on the top of the box body 8 above the baffle group 12. A gas distributor 13 is arranged below the baffle group 12, and the bottom end of the gas distributor 13 is communicated with the bottom of the corresponding box body 8 inside the wire mesh coagulation filter element 11 through a conveying pipe 14. A collecting hopper 15 is fixedly connected to the bottom of the box body 8, and a drain pipe 17 with a drain valve 16 is communicated with the bottom of the collecting hopper 15. A water outlet pipe 18 is communicated with the bottom end of the side of the box body 8 left to the wire mesh coagulation filter element 11, a water outlet valve 19 is arranged on the water outlet pipe 18, and the tail end of the water outlet pipe 18 is communicated with the collecting hopper 15, and a plurality of water holes 20 communicated with the collecting hopper 15 are arranged on the bottom of the corresponding box body 8 below the baffle group 12;

[0020] When the air for cooling porous ammonium nitrate is cooled and dehumidified, the air can be first subjected to preliminary dust removal treatment by the air filter 1, then cooled and cooled down by the ammonia air cooler 3, then sent into the gas-liquid separator 4 for gas-liquid separation after being cooled and carrying condensed water, and finally the separated low-temperature dry air is sent to the fluidized bed cooler for cooling of the porous ammonium nitrate. The parallel connection of the two sets of gas-liquid separators 4 can form a one active and one standby use mode when the air is actually processed, that is, the air can only flow through one set of gas-liquid separator 4 at the same time period by controlling the valve 7 on the corresponding pipeline 6, and when the gas-liquid separator 4 needs to be repaired, the other set of gas-liquid separator 4 can be used instead, so that the gas-liquid separator can be maintained without stopping, and the detachable connection between the wire mesh coagulation filter element 11 and the partition plate 10, the detachable connection between the baffle plate group 12 and the partition plate 10, and the detachable connection between the partition plate 10 and the box 8 are more conducive to the separate disassembly and replacement of the wire mesh coagulation filter element 11, the separate disassembly and replacement of the baffle plate group 12, or the disassembly and replacement of the wire mesh coagulation filter element 11 and the baffle plate group 12 as a whole according to actual needs, and the whole use is more flexible, convenient and practical. When the air enters the box 8 of the gas-liquid separator 4, it can first be located on the left side of the partition plate 10 and flow from outside to inside through the wire mesh coagulation filter element 11, so that the condensed water carried by the air can be effectively filtered and separated under the action of the wire mesh coagulation filter element 11, small droplets in the airflow can be coalesced into larger droplets, and the large droplets can fall to the outer circumferential side of the wire mesh coagulation filter element 11 under the action of gravity, and the subsequent water can be discharged to the collection bucket 15 through the water outlet pipe 18 by opening the water outlet valve 19. Then, the airflow entering the inside of the wire mesh coagulation filter element 11 can be transported through the transport pipe 14 and redistributed by the gas distributor 13, and then uniformly flow upwards through the baffle plate group 12, so that the condensed water carried by the air can be further removed under the action of the baffle plate group 12, and the separated water droplets can fall and be discharged to the collection bucket 15 through the corresponding water holes. In this way, the combination of wire mesh and baffle plate can realize double gas-water separation treatment of the cooled air, the overall dehumidification effect is better, and the dryness of the air entering the fluidized bed cooler can be better guaranteed, so that the cooling quality of the porous ammonium nitrate can be better guaranteed, and the device is more practical. The air filter 1, the front air pump 2, the ammonia air cooler 3, the rear air pump 5, the wire mesh coagulation filter element 11 and the baffle plate group 12 all adopt existing technologies, and their specific models can be selected according to actual conditions, which are not limited here. The specific way and structure of the openable connection of the sealing door 9 can also adopt existing technologies, which are not described here.

[0021] In the embodiment, the partition plate 10 corresponds to the inner top and inner bottom of the box 8, and a slot 21 is formed on the inner top and inner bottom of the box 8, and the top and bottom ends of the partition plate 10 are inserted into the corresponding slot 21, a hydraulic cylinder 22 is fixedly arranged on the outer top of the box 8 corresponding to the partition plate 10, the piston rod of the hydraulic cylinder 22 is downwardly arranged and fixedly connected with a lifting plate 23, a plurality of insertion rods 24 are fixedly arranged on the bottom of the lifting plate 23 along the length direction of the lifting plate 23, a through hole 25 is formed on the top of the box 8 corresponding to the insertion rod 24, and a blind hole 26 is formed on the top of the partition plate 10 corresponding to the insertion rod 24, the lifting plate 23 abuts against the outer top of the box 8, the insertion rod 24 penetrates through the corresponding through hole 25 and is inserted into the corresponding blind hole 26. When the screen coagulation filter element 11 and the baffle group 12 need to be integrally disassembled and replaced, the corresponding sealing door 9 can be opened, the hydraulic cylinder 22 is operated, the piston rod of the hydraulic cylinder 22 is retracted, the insertion rod 24 is moved upwardly out of the blind hole 26, the insertion of the partition plate 10 is released, the partition plate 10 is moved forwardly, and the original screen coagulation filter element 11 and the baffle group 12 can be integrally disassembled. Then, the partition plate 10 with the new screen coagulation filter element 11 and the baffle group 12 is taken out, the partition plate 10 is inserted into the slot 21 in place, the hydraulic cylinder 22 is operated, the piston rod of the hydraulic cylinder 22 is elongated, the insertion rod 24 is inserted into the corresponding blind hole 26 in place, the partition plate 10 is inserted and fixed, the fixing and installation of the new screen coagulation filter element 11 and the baffle group 12 are completed, the sealing door 9 is closed, and the subsequent switching is waited for.

[0022] In the embodiment, the U-shaped mounting seat 27 is fixedly arranged on the left side of the partition plate 10, the opening of the mounting seat 27 faces the screen coagulation filter element 11, a first internal threaded through hole 28 is formed on the upper portion of the mounting seat 27, a first internal threaded blind hole 29 is formed on the lower portion of the mounting seat 27, the mounting plate 30 is fixedly arranged on the right side of the screen coagulation filter element 11, a second internal threaded through hole 31 is formed on the mounting plate 30, the mounting plate 30 is inserted into the mounting seat 27, the first internal threaded through hole 28, the second internal threaded through hole 31 and the first internal threaded blind hole 29 correspond to and are screwed with the same first butterfly bolt 32. When the screen coagulation filter element 11 needs to be individually disassembled and replaced, the corresponding sealing door 9 can be opened, the first butterfly bolt 32 is unscrewed, and the screen coagulation filter element 11 is moved forwardly to be removed.

[0023] In the embodiment, the mounting groove 33 is provided on the right side of the partition plate 10 along the front-rear direction, the second internally threaded blind holes 34 are provided on the bottom of the mounting groove 33 on both sides, the support plate 35 is fixedly connected to the left end of the baffle group 12, the third internally threaded through holes 36 are provided on both ends of the support plate 35, the support plate 35 is inserted into the mounting groove 33, the third internally threaded through holes 36 correspond to the second internally threaded blind holes 34 on the same side and are screwed with the same second butterfly bolt 37. When the baffle group 12 needs to be individually disassembled and replaced, the corresponding sealing door 9 is opened, the second butterfly bolt 37 is unscrewed, and then the baffle group 12 is moved forward to be removed. When reassembling, the baffle group 12 is sent to the right side of the partition plate 10, the support plate 35 is inserted into the mounting groove 33, and then the second butterfly bolt 37 is screwed in place. The operation is simple and more practical. The first butterfly bolt 32 and the second butterfly bolt 37 both use the prior art, which has the characteristics of convenient hand screwing operation and is more convenient and practical.

[0024] In the embodiment, the baffles of the baffle group 12 are hook-shaped baffles with hook plates 38. This type of baffle can increase the collision opportunities of mist droplets with the baffles, enhance the condensation effect, and thus more effectively improve the efficiency and quality of gas-liquid separation, which is more practical.

[0025] The above is only the preferred embodiment of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A porous ammonium nitrate ammonia air cooling dehumidification system comprising an air filter, a front air pump, an ammonia air cooler, a gas-liquid separator and a rear air pump, the air outlet of the air filter is communicated with the air inlet of the front air pump, the air outlet of the front air pump is communicated with the air inlet of the ammonia air cooler, the air outlet of the ammonia air cooler is communicated with the air inlet of the gas-liquid separator, and the air outlet of the gas-liquid separator is communicated with the air inlet of the rear air pump, characterized in that, The gas-liquid separator has two groups, and the gas inlets of the two groups of gas-liquid separators are connected in parallel on the gas outlet of the ammonia air cooler through pipelines, and the gas outlet is connected in parallel on the gas inlet of the rear gas pump through pipelines, and control valves are arranged on the pipelines, the gas-liquid separator comprises a box body, the front end of the box body is open and is connected with a sealing door which can be opened and closed, a vertical partition plate is detachably arranged in the box body, a hollow columnar wire mesh coagulation filter element is vertically arranged in the box body on the left side of the partition plate, the top and bottom ends of the wire mesh coagulation filter element abut against the box body, and the side close to the partition plate is detachably connected with the partition plate, the gas inlet of the gas-liquid separator is arranged on the side of the box body on the left side of the wire mesh coagulation filter element, a baffle group is arranged in the box body on the right side of the partition plate, one end of the baffle group close to the partition plate is detachably connected with the partition plate, and the other end abuts against the corresponding box body, the gas outlet of the gas-liquid separator is arranged on the top of the box body above the baffle group, a gas distributor is arranged below the baffle group, the bottom end of the gas distributor is communicated with the bottom of the corresponding box body inside the wire mesh coagulation filter element through a conveying pipe, a collecting hopper is fixedly connected to the bottom of the box body, a drain pipe with a drain valve is communicated with the bottom of the collecting hopper, a water outlet pipe is communicated with the bottom end of the side of the box body on the left side of the wire mesh coagulation filter element, a water outlet valve is arranged on the water outlet pipe, and the tail end of the water outlet pipe is communicated with the collecting hopper, and a plurality of water holes which are communicated with the collecting hopper are arranged on the bottom of the corresponding box body below the baffle group.

2. The ammonia-air cooling dehumidification system of porous ammonium nitrate according to claim 1, characterized in that, The corresponding box body of the partition plate is provided with a slot on the top and the bottom, and the top and bottom ends of the partition plate are inserted into the corresponding slots, a hydraulic cylinder is fixedly arranged on the top of the corresponding box body of the partition plate, the piston rod of the hydraulic cylinder faces downward and is fixedly connected with a lifting plate, a plurality of insertion rods are fixedly arranged on the bottom of the lifting plate along the length direction of the lifting plate, a through hole is arranged on the top of the corresponding box body of the insertion rod, and a blind hole is arranged on the top of the corresponding partition plate, the lifting plate abuts against the top of the box body, and the insertion rod penetrates through the corresponding through hole and is inserted into the corresponding blind hole.

3. The ammonia-air cooling dehumidification system of porous ammonium nitrate according to claim 1, characterized in that, A U-shaped mounting seat is fixedly arranged on the left side of the partition plate, the opening of the mounting seat faces the wire mesh coagulation filter element, a first internal threaded through hole is arranged on the upper part of the mounting seat, and a first internal threaded blind hole is arranged on the lower part of the mounting seat, a mounting plate is fixedly arranged on the right side of the wire mesh coagulation filter element, a second internal threaded through hole is arranged on the mounting plate, the mounting plate is inserted into the mounting seat, and the first internal threaded through hole, the second internal threaded through hole and the first internal threaded blind hole are correspondingly and screw-connected with the same first butterfly bolt.

4. The porous ammonium nitrate ammonia air cooling dehumidification system according to claim 1, characterized in that, An installation groove is arranged on the right side of the partition plate along the front-rear direction, second internal threaded blind holes are arranged on the groove bottoms on the upper and lower sides of the installation groove, a support plate is fixedly connected to the left end of the baffle group, third internal threaded through holes are arranged on the upper and lower ends of the support plate, the support plate is inserted into the installation groove, and the third internal threaded through hole and the second internal threaded blind hole on the same side are correspondingly and screw-connected with the same second butterfly bolt.

5. The porous ammonium nitrate ammonia air cooling dehumidification system according to claim 1, characterized in that, The baffles of the baffle group are hook-shaped baffles with hook plates.

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