CN210796293U

CN210796293U - Explosion-proof safety protection device for tail gas in urea production system

Info

Publication number: CN210796293U
Application number: CN201922050767.6U
Authority: CN
Inventors: 冯磊; 陈卫; 贾珲; 刘荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-06-19
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an explosion-proof safety device that is used for tail gas in production urea system, including protecting box, temperature sensor, circulation refrigerator and driving motor, the inside left side of protecting box is connected with the intake pipe, the inside canning of protecting box has reaction water, the left side at the protecting box is installed to the circulation refrigerator, driving motor installs the top at the protecting box, the top of connecting rod is connected with the baffle, and the top of baffle has seted up the spread groove, the outside of baffle is connected with closely fills up, the top of dead slot is provided with the blast pipe, and the below of dead slot is connected with down the siphunculus. This be used for explosion-proof safety device of tail gas in the urea production system is favorable to guaranteeing the inside temperature of protector, is favorable to guaranteeing explosion-proof performance, and can be timely discharge tail gas, is favorable to guaranteeing that the atmospheric pressure is stable, is convenient for carry out the timely change of reaction liquid, is favorable to guaranteeing safety.

Description

Explosion-proof safety protection device for tail gas in urea production system

Technical Field

The utility model relates to a urea production tail gas treatment technical field specifically is an explosion-proof safety device who is used for tail gas in the urea production system.

Background

In the industrial production process of the urea, the treatment of tail gas is crucial, and an explosion-proof protection device is important equipment for treating the tail gas;

however, when the explosion-proof safety protection device in the prior art background is used, the temperature inside the protection device is not favorably ensured, the explosion-proof performance is not favorably ensured, tail gas cannot be discharged timely, the pressure stability is not favorably ensured, the reaction liquid is not convenient to replace timely, and the safety is not favorably ensured.

Disclosure of Invention

An object of the utility model is to provide an explosion-proof safety device who is used for tail gas in production urea system to solve present explosion-proof safety device that above-mentioned background art provided and when using, be unfavorable for guaranteeing the inside temperature of protector, be unfavorable for guaranteeing explosion-proof performance, and can not be timely discharge tail gas, be unfavorable for guaranteeing atmospheric pressure stability, be not convenient for carry out the timely change of reaction liquid, be unfavorable for guaranteeing safe problem.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof safety protection device for tail gas in a urea production system comprises a protective box, a temperature sensor, a circulating refrigerator and a driving motor, wherein the left side inside the protective box is connected with an air inlet pipe, the upper part of the right side of the protective box is connected with an water inlet pipe, the lower right side of the protective box is connected with a water outlet pipe, reaction water is canned in the protective box, the inner side wall of the protective box is connected with an asphalt protective layer, the circulating refrigerator is installed on the left side of the protective box, the outer side of the circulating refrigerator is connected with a connecting pipe, the top end of the connecting pipe is connected with a circulating pipe, the driving motor is installed above the protective box, the output end of the driving motor is connected with a connecting rod, the top end of the connecting rod is connected with a partition plate, the top of the partition plate is provided with a connecting groove, the, and the dead slot sets up the top at the guard box, the top of dead slot is provided with the blast pipe, and the below of dead slot is connected with down the siphunculus.

Preferably, intake pipe, inlet tube and outlet pipe all with the protective housing between the intercommunication setting, and closely the laminating setting between protective housing and the pitch inoxidizing coating to the bottom setting of intake pipe is below the liquid level of reaction water.

Preferably, the temperature sensor is installed on the left side of the inner wall of the protection box, and the ammonia gas detection alarm and the air pressure sensor are installed at the top of the inner side of the protection box respectively.

Preferably, the circulating refrigerator is communicated with the circulating pipe through a connecting pipe, and the circulating pipe is in a continuous bending structure.

Preferably, constitute the interlock structure between driving motor, connecting rod and the baffle, and the connecting rod passes through the spread groove and is connected with the baffle block.

Preferably, the inner side and the outer side of the partition board are respectively coated with a compact pad, the partition board is tightly attached to the empty groove through the compact pads, and the partition board forms a left-right sliding structure on the inner side of the empty groove.

Preferably, the blast pipe is linked together through empty groove and siphunculus down, and blast pipe and siphunculus down evenly set up at the top of protective housing equidistant.

Preferably, the exhaust pipes and the lower through pipe are arranged in a one-to-one up-down correspondence mode, and the shape and the structure of the exhaust pipes are of an inverted L-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-explosion safety protection device for tail gas in the urea production system is favorable for ensuring the temperature in the protection device and the anti-explosion performance, can discharge the tail gas in time, is favorable for ensuring the stable air pressure, is convenient for timely replacing reaction liquid and is favorable for ensuring the safety;

1. the reaction between the reaction water and the tail gas is convenient for reducing the content of ammonia in the tail gas, and is beneficial to explosion-proof use, and the asphalt protective layer is attached to the inner wall of the protective box, so that the corrosion is conveniently avoided, and the long-term use is facilitated;

2. the arrangement of the temperature sensor, the ammonia gas detection alarm and the air pressure sensor is convenient for timely connecting the gas content and the temperature requirement in the protective box so as to ensure the explosion-proof performance, and the circulating arrangement among the circulating refrigerator, the connecting pipe and the circulating pipe is convenient for long-time operation;

3. drive the connecting rod through driving motor and rotate to make connecting rod pulling baffle slide in the inboard of dead slot, thereby make to communicate between blast pipe and the lower siphunculus, so that timely discharge of carrying on gases such as carbon dioxide, hydrogen, and can adjust intercommunication quantity, be convenient for guarantee safety protection.

Drawings

FIG. 1 is a front sectional structure of the present invention;

FIG. 2 is a schematic view of a sectional structure of the protective box of the present invention;

FIG. 3 is a schematic view of a plane of depression cutting structure of the partition board of the present invention;

FIG. 4 is a schematic view of the overall structure of the partition board of the present invention;

fig. 5 is a schematic view of the working process of the present invention.

In the figure: 1. a protective box; 2. an air inlet pipe; 3. a water inlet pipe; 4. reaction water; 5. a water outlet pipe; 6. an asphalt protective layer; 7. a temperature sensor; 8. an ammonia gas detection alarm; 9. an air pressure sensor; 10. a circulating refrigerator; 11. a connecting pipe; 12. a circulation pipe; 13. a drive motor; 14. a connecting rod; 15. a partition plate; 16. connecting grooves; 17. a compact pad; 18. an empty groove; 19. an exhaust pipe; 20. a lower pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an explosion-proof safety protection device for tail gas in a urea production system comprises a protective box 1, an air inlet pipe 2, an air inlet pipe 3, reaction water 4, an water outlet pipe 5, an asphalt protective layer 6, a temperature sensor 7, an ammonia gas detection alarm 8, an air pressure sensor 9, a circulating refrigerator 10, a connecting pipe 11, a circulating pipe 12, a driving motor 13, a connecting rod 14, a partition plate 15, a connecting groove 16, a tight cushion 17, an empty groove 18, an exhaust pipe 19 and a lower through pipe 20, wherein the left side inside the protective box 1 is connected with the air inlet pipe 2, the upper side of the right side of the protective box 1 is connected with the water inlet pipe 3, the lower right side of the protective box 1 is connected with the water outlet pipe 5, the reaction water 4 is canned in the protective box 1, the asphalt protective box 1 is connected with the asphalt protective layer 6 on the inner side wall, the circulating refrigerator, and the top of connecting pipe 11 is connected with circulating pipe 12, driving motor 13 installs in the top of protective housing 1, and driving motor 13's output is connected with connecting rod 14, connecting rod 14's top is connected with baffle 15, and connecting groove 16 has been seted up at the top of baffle 15, the outside of baffle 15 is connected with closely fills up 17, and closely fills up the outside of 17 and laminate mutually with dead slot 18, and dead slot 18 sets up the top at protective housing 1, the top of dead slot 18 is provided with blast pipe 19, and the below of dead slot 18 is connected with down siphunculus 20.

Like in fig. 1 intake pipe 2, inlet tube 3 and outlet pipe 5 all with the protective housing 1 between the intercommunication setting, and closely the laminating setting between protective housing 1 and the pitch inoxidizing coating 6 to the bottom of intake pipe 2 sets up below the liquid level of reaction water 4, the absorption of the ammonia of being convenient for.

As in figure 1, the temperature sensor 7 is arranged on the left side of the inner wall of the protection box 1, and the ammonia gas detection alarm 8 and the air pressure sensor 9 are respectively arranged at the top of the inner side of the protection box 1, so that the temperature detection is convenient, the ammonia gas reaction is convenient, the air pressure is convenient to detect in time, the explosion prevention is convenient to guarantee, and the safety performance is convenient to guarantee.

As shown in fig. 1 and 2, the circulating refrigerator 10 is communicated with the circulating pipe 12 through a connecting pipe 11, and the circulating pipe 12 is in a continuously curved structure, so as to ensure the internal temperature of the protective box 1 and avoid the ammonia gas from reacting out.

As shown in fig. 1, 3 and 4, the driving motor 13, the connecting rod 14 and the partition 15 form an interlocking structure, and the connecting rod 14 is clamped and connected with the clapboard 15 through the connecting groove 16, so that the clapboard 15 is convenient to pull, the inner side and the outer side of the clapboard 15 are coated with the compact pads 17, the clapboard 15 is tightly attached with the empty groove 18 through the compact pads 17, and the partition 15 forms a left-right sliding structure at the inner side of the empty groove 18, so that the exhaust pipe 19 is communicated with the lower through pipe 20, the exhaust pipe 19 is communicated with the lower through pipe 20 through the empty groove 18, the exhaust pipes 19 and the lower through pipes 20 are uniformly arranged at equal intervals at the top of the protection box 1, the exhaust pipes 19 and the lower through pipes 20 are arranged in a one-to-one up-and-down correspondence, and the shape structure of the exhaust pipe 19 is an inverted L-shaped structure, so that gas can be discharged in time, the exhaust speed can be adjusted conveniently, and oxygen can be prevented from entering the exhaust pipe.

The working principle is as follows: when the explosion-proof safety protection device for tail gas in the urea production system is used, as shown in figure 1, sufficient reaction water 4 is introduced into the protection box 1 through the water inlet pipe 3, the temperature of the reaction water 4 is detected through the temperature sensor 7 with the model number of TR/02010, as shown in figure 1 and figure 2, the circulating refrigerator 10 is started, so that a refrigerant is circulated in the circulating pipe 12 through the communicating structure among the circulating refrigerator 10, the connecting pipe 11 and the circulating pipe 12, so that the temperature of the reaction water 4 is reduced to below 32 ℃, whether ammonia gas is emitted from the interior of the protection box 1 is timely detected through the ammonia gas detection alarm 8 with the model number of MOT500-NH3 and the air pressure sensor 9 with the model number of 2SMPB-02E, so that the reaction water 4 can be selectively replaced, and as shown in figure 1 and figure 4, the connecting rod 14 is driven to rotate through the starting of the driving motor 13, so that the connecting rod 14 pulls the partition 15 to slide inside the empty slot 18, as shown in fig. 1 and 3, so that the exhaust pipe 19 is communicated with the lower through pipe 20, so that the carbon dioxide, hydrogen and other gases inside the protection box 1 can be exhausted to ensure the safety protection, which is the whole working process of the explosion-proof safety protection device for the tail gas in the urea production system, and what is not described in detail in this specification belongs to the prior art known to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an explosion-proof safety device that is used for tail gas in production urea system, includes protecting box (1), temperature sensor (7), circulating refrigeration machine (10) and driving motor (13), its characterized in that: the inner left side of the protective box (1) is connected with an air inlet pipe (2), the right side upper side of the protective box (1) is connected with an inlet pipe (3), a water outlet pipe (5) is connected with the right lower side of the protective box (1), reaction water (4) is canned in the protective box (1), an asphalt protective layer (6) is connected on the inner side wall of the protective box (1), the circulating refrigerator (10) is installed on the left side of the protective box (1), the outer side of the circulating refrigerator (10) is connected with a connecting pipe (11), the top end of the connecting pipe (11) is connected with a circulating pipe (12), the driving motor (13) is installed above the protective box (1), the output end of the driving motor (13) is connected with a connecting rod (14), the top end of the connecting rod (14) is connected with a partition board (15), and the top of the partition, the outside of baffle (15) is connected with closely and fills up (17), and closely the outside and the dead slot (18) of filling up (17) laminate mutually to dead slot (18) set up the top at protective housing (1), the top of dead slot (18) is provided with blast pipe (19), and the below of dead slot (18) is connected with down siphunculus (20).

2. An explosion-proof safety device for tail gas in a urea production system according to claim 1, characterized in that: intake pipe (2), inlet tube (3) and outlet pipe (5) all with the protective housing (1) between the intercommunication set up, and closely laminate the setting between protective housing (1) and pitch inoxidizing coating (6) to the bottom of intake pipe (2) sets up below the liquid level of reaction water (4).

3. An explosion-proof safety device for tail gas in a urea production system according to claim 1, characterized in that: temperature sensor (7) are installed on the inner wall left side of protective housing (1), and ammonia gas detection alarm (8) and baroceptor (9) are installed respectively to the inboard top of protective housing (1).

4. An explosion-proof safety device for tail gas in a urea production system according to claim 1, characterized in that: the circulating refrigerator (10) is communicated with a circulating pipe (12) through a connecting pipe (11), and the circulating pipe (12) is of a continuous bending structure.

5. An explosion-proof safety device for tail gas in a urea production system according to claim 1, characterized in that: a linkage structure is formed among the driving motor (13), the connecting rod (14) and the partition plate (15), and the connecting rod (14) is connected with the partition plate (15) in a clamping mode through a connecting groove (16).

6. An explosion-proof safety device for tail gas in a urea production system according to claim 1, characterized in that: the inner side and the outer side of the partition board (15) are coated with tight gaskets (17), the partition board (15) is tightly attached to the empty groove (18) through the tight gaskets (17), and the partition board (15) forms a left-right sliding structure on the inner side of the empty groove (18).

7. An explosion-proof safety device for tail gas in a urea production system according to claim 1, characterized in that: the exhaust pipe (19) is communicated with the lower through pipe (20) through the empty groove (18), and the exhaust pipe (19) and the lower through pipe (20) are uniformly arranged at the top of the protection box (1) at equal intervals.

8. An explosion-proof safety device for tail gas in a urea production system according to claim 1, characterized in that: the exhaust pipes (19) and the lower through pipes (20) are arranged in a one-to-one up-down correspondence mode, and the exhaust pipes (19) are in an inverted L-shaped structure.