CN214650752U

CN214650752U - Ammonium nitrate solution storage tank with good stability

Info

Publication number: CN214650752U
Application number: CN202121087991.3U
Authority: CN
Inventors: 李喻波; 莫峻峦; 史开猛; 吴纯秋; 赵晨
Original assignee: Hunan Kenon Machinery Manufacturing Co ltd
Current assignee: Hunan Kenon Machinery Manufacturing Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-09
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to an ammonium nitrate solution storage tank with good stability. The utility model discloses tertiary heating device has been designed in a supporting way, the mode that utilizes steam heating heats the internal solution of jar through three heating coil, respectively from the bottom surface of the jar body, side bottom and side middle part heat, thereby guarantee the heating effect, make solution be heated evenly, the security that heating process also can be guaranteed to the mode of utilizing steam heating simultaneously, in addition, pump sending filling pipe and pump sending suction pipe have been set up in the jar body, utilize water pump intercommunication pump sending, thereby realize the circulation flow of the solution in the jar body, promote solution rotation after the export discharge of the co-altitude on liquid follow pump sending filling pipe, thereby form the stirring to solution, thereby can guarantee that solution can the homogeneous mixing, and simultaneously, the jar body has still set up the fire control and has sprayed the pipeline, the security of the jar body has further been guaranteed.

Description

Ammonium nitrate solution storage tank with good stability

Technical Field

The utility model relates to the technical field of ammonium nitrate storage tanks, in particular to an ammonium nitrate solution storage tank with good stability.

Background

With the development of national explosion industry, the annual production capacity of the existing enterprises is more than twenty thousand tons after the enterprises are combined and recombined. As a main raw material of the industrial explosive, the content of the ammonium nitrate is about 70-90%. The prior production process of the front section in the production process of the existing explosive comprises the following steps: solid ammonium nitrate is broken by opening a bag, added with water, heated and melted, and pumped to an ammonium nitrate storage tank, so that a large amount of manpower, material resources and energy are consumed, and meanwhile, the speed of breaking and melting the solid ammonium nitrate usually affects the expansion of productivity and the production efficiency. If the explosive factory can directly use the liquid ammonium nitrate of the ammonium nitrate production enterprise, a storage tank system for safely storing the liquid ammonium nitrate of the civil explosive enterprise is researched and developed, so that a large amount of energy can be saved, a large amount of labor cost can be saved, and the explosive production process can be simplified.

In the ammonium nitrate production process, ammonium nitrate solution formed after ammonia and nitric acid are neutralized can be transported to civil explosion production enterprises after concentration, granulation, cooling and packaging. If the liquid ammonium nitrate is directly used by the civil explosion enterprises, the ammonium nitrate enterprises can save the procedures of concentration, granulation, cooling and bagging, and can save a large amount of energy consumption and labor cost.

In the process of storing the ammonium nitrate aqueous solution, because of factors such as the concentration of raw material acid, the fluctuation of ammonia pressure or the adjustment of load, the concentration of the produced ammonium nitrate aqueous solution is unstable and is difficult to adjust, the conventional solution uses a stirring device arranged on the top of a tank to stir, the stirring is always uniform for about 2-4 hours, the time is long, the stirring device is inconvenient to overhaul, and the safety is possibly influenced by oil leakage of mechanical seal.

The application number is 201621232449.1 provides a storage tank of ammonium nitrate solution, including the jar body of storage ammonium nitrate solution, the jar body upper wall is equipped with viewing aperture and the level gauge mouth that detects the interior ammonium nitrate solution liquid level of jar, the jar body upper wall still is equipped with the inlet of sample connection and regulating fluid; a discharge port is arranged at the lower end of the side wall of the tank body, and a sewage outlet is arranged on the bottom wall of the tank body; the upper part, the middle part and the lower part of the side wall of the tank body are provided with thermometer ports; the inlet pipe of adding ammonium nitrate solution for two heating coil for the heating, the control tube for adding gas ammonia, a plurality of intake pipes for adding the air, but it does not consider ammonium nitrate solution's stirring problem, can not guarantee that solution can the misce bene in the jar, and does not dispose certain fire control safety measure, and the security is lower.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses an ammonium nitrate solution storage tank with good stability, which adopts the technical proposal that three exhaust ports and two access holes are evenly arranged on the top of a tank body, a pumping filling pipe is vertically and downwards arranged from the top of the tank body, the lower end of the pumping filling pipe extends into the bottom of an inner cavity of the tank body, a fire-fighting pipe is fixedly arranged at the bottom of the inner cavity of the tank body, the side surface of the tank body is fixedly connected with a crawling ladder which can be lifted to the top of the tank body through the crawling ladder to overhaul the tank body, the periphery of the protective guard is provided with a protective guard, thereby ensuring the safety in the climbing process, the edge of the bottom surface of the inner cavity of the tank body is fixedly connected with a mounting plate, a first heating coil and a second heating coil are fixedly arranged on the mounting plate through pipe clamps, the first heating coil is positioned at the middle position of the inner wall of the tank body, the second heating coil is positioned at the lower end position of the inner wall of the tank body, the first heating coil and the second heating coil are both in a spiral shape, and the pipe orifice penetrates out of the side wall of the tank body, the bottom surface of the inner cavity of the tank body is fixedly provided with a third heating coil which is in a vortex shape, a pipe orifice penetrates out of the side wall of the tank body, the first heating coil, the second heating coil and the third heating coil are all communicated and connected with an external steam supply pipeline and are heated by steam, a pumping material suction pipe is arranged at the bottom of the inner cavity of the tank body above the third heating coil, one end of the pumping material suction pipe extends out of the side wall of the tank body, the other end of the pumping material suction pipe extends to the center of the bottom of the inner cavity of the tank body, the bottom of the side wall of the tank body is provided with a liquid level meter interface, the amount of solution in the tank body is measured by the liquid level meter arranged in the liquid level meter, the side wall of the tank body is evenly provided with three temperature sensor interfaces at equal intervals from the middle part to the bottom part, the temperature sensors arranged in the tank body are used for measuring the temperatures of different positions of the liquid, the bottom of the tank body is communicated and connected with a material discharge pipe and a sewage discharge pipe, and the material discharge pipe is used for discharging the solution in the tank body, the sewage impurities in the tank body are discharged through the drain pipe.

As the utility model discloses an optimal scheme, the fire control pipe includes the connecting plate of fixed connection at tank body cavity top, fixedly connected with ring pipe on the connecting plate, and the ring pipe is connected with the fire control mouth of pipe intercommunication, and the fire control mouth of pipe stretches out and connects outside water supply system from tank body top, and the shower nozzle is evenly installed to ring pipe below, and outside water supply system provides the rivers of taking pressure and plays the fire control effect from the blowout of shower nozzle department.

As an optimized scheme of the utility model, the both ends mouth of pipe of first heating coil is first steam inlet respectively, first steam outlet, first steam inlet, first steam outlet stretches out and communicates with each other and connects outside air supply line from a jar side wall respectively, form the return circuit, the both ends mouth of pipe of second heating coil is second steam inlet respectively, second steam outlet, second steam inlet, second steam outlet stretches out and communicates with each other and connects outside air supply line from a jar side wall respectively, form the return circuit, the both ends mouth of pipe of third heating coil is third steam inlet respectively, third steam outlet, third steam inlet, third steam outlet stretches out and communicates with each other and connects outside air supply line from a jar side wall respectively, form the return circuit.

As a preferred scheme of the utility model, the discharge port has been seted up along the pipe wall equidistant on the pump sending filling pipe, the discharge port is located jar internal chamber's not co-altitude and towards same direction, pump sending filling pipe and pump sending are inhaled and are connected through the pipeline intercommunication between the material pipe and install the water pump on the pipeline, inhale the material pipe by the water pump through the pump sending and send into the jar body again by pump sending filling pipe with the solution suction, the solution is discharged from discharge port department, thereby can promote the flow of the solution in the jar body, form the stirring to the solution, make the solution misce bene.

As an optimized scheme of the utility model, the mouth of pipe department that the discharging pipe is located jar internal chamber installs the protection filter mantle, can filter solution at ejection of compact in-process, avoids impurity along with solution discharge.

The utility model has the advantages that: the utility model discloses tertiary heating device has been designed in a supporting way, the mode that utilizes steam heating heats the internal solution of jar through three heating coil, respectively from the bottom surface of the jar body, side bottom and side middle part heat, thereby guarantee the heating effect, make solution be heated evenly, utilize steam heating mode also can guarantee the security of heating process and the stability of solution simultaneously, in addition, it inhales the material pipe to have set up pumping filling pipe and pumping in the jar body, utilize water pump intercommunication pumping, thereby realize the circulation flow of the solution in the jar body, promote solution rotation after liquid is discharged from the export of the co-altitude on the pumping filling pipe, thereby form the stirring to solution, thereby can guarantee that solution can the homogeneous mixing, and simultaneously, the fire control spray line has still been set up in the jar body, the security of the jar body has further been guaranteed.

Drawings

Fig. 1 is a first view of the overall structure of the present invention;

fig. 2 is a second view of the overall structure of the present invention;

FIG. 3 is a half sectional view of the internal structure of the present invention;

fig. 4 is a top sectional view of the overall structure of the present invention.

In the figure: 1 tank body, 2 exhaust ports, 3 access ports, 4 pumping filling pipes, 401 exhaust ports, 5 fire fighting pipes, 501 fire fighting pipe orifices, 502 circular ring pipes, 503 spray heads, 504 connecting plates, 6 ladder stands, 601 protective fences, 7 first heating coils, 701 first steam inlets, 702 first steam outlets, 8 second heating coils, 801 second steam inlets, 802 second steam outlets, 9 third heating coils, 901 third steam inlets, 902 third steam outlets, 10 temperature sensor interfaces, 11 liquid level meter interfaces, 12 pumping suction pipes, 13 discharge pipes, 1301 protective filter covers, 14 sewage discharge pipes, 15 mounting plates and 1501 pipe clamps.

Detailed Description

Example 1

As shown in fig. 1 to 4, the utility model discloses an ammonium nitrate solution storage tank with good stability, the technical scheme adopted is that three exhaust ports 2 and two access holes 3 are uniformly arranged at the top of a tank body 1, a pumping filling pipe 4 is vertically and downwardly arranged from the top of the tank body 1, the lower end of the pumping filling pipe 4 extends into the bottom of an inner cavity of the tank body 1, discharge ports 401 are arranged on the pumping filling pipe 4 at equal intervals along the pipe wall, the discharge ports 401 are positioned at different heights of the inner cavity of the tank body 1 and face the same direction, a fire fighting pipe 5 is fixedly arranged at the bottom of the inner cavity of the tank body 1, the fire fighting pipe 5 comprises a connecting plate 504 fixedly connected with the top of the inner cavity of the tank body 1, a circular ring pipe 502 is fixedly connected on the connecting plate 504, the circular ring 502 is communicated with a fire fighting pipe opening 501, the fire fighting pipe opening 501 extends out from the top of the tank body 1 and is connected with an external water supply system, spray heads 503 are uniformly arranged below the circular ring 502, an external water supply system provides water flow with pressure to spray from a spray head 503 to play a role in fire fighting, a ladder stand 6 is fixedly connected to the side face of a tank body 1, the ladder stand 6 can be used for lifting the top of the tank body 1 to overhaul the tank body 1, a protective guard 601 is arranged on the periphery of the ladder stand 6 to guarantee safety in the climbing process, a mounting plate 15 is fixedly connected to the edge of the bottom surface of the inner cavity of the tank body 1, a first heating coil 7 and a second heating coil 8 are fixedly mounted on the mounting plate 15 through a pipe clamp 1501, the first heating coil 7 is located in the middle of the inner wall of the tank body 1, the second heating coil 8 is located at the lower end of the inner wall of the tank body 1, the first heating coil 7 and the second heating coil 8 are both in a spiral shape, a third heating coil 9 is fixedly mounted on the bottom surface of the inner cavity of the tank body 1, the third heating coil 9 is in a spiral shape, and pipe orifices at two ends of the first heating coil 7 are respectively a first steam inlet 701, First steam outlet 702, first steam inlet 701, first steam outlet 702 stretches out and is connected the outside air supply line of intercommunication from jar body 1 lateral wall respectively, form the return circuit, the both ends mouth of pipe of second heating coil 8 is second steam inlet 801 respectively, second steam outlet 802, second steam inlet 801, second steam outlet 802 stretches out and is connected the outside air supply line of intercommunication from jar body 1 lateral wall respectively, form the return circuit, the both ends mouth of pipe of third heating coil 9 is third steam inlet 901 respectively, third steam outlet 902, third steam inlet 901, third steam outlet 902 stretches out and is connected the outside air supply line of intercommunication from jar body 1 lateral wall respectively, form the return circuit, heat through steam.

A pumping material suction pipe 12 is arranged at the bottom of the inner cavity of the tank body 1 above the third heating coil 9, one end of the pumping material suction pipe 12 extends out of the side wall of the tank body 1, the other end of the pumping material suction pipe 12 extends to the center of the bottom of the inner cavity of the tank body 1, the pumping filling pipe 4 is communicated and connected with the pumping material suction pipe 12 through a pipeline, a water pump is arranged on the pipeline, the water pump sucks the solution through the pumping material suction pipe 12 and sends the solution into the tank body 1 again through the pumping filling pipe 4, the solution is discharged from a discharge port 401, so that the flow of the solution in the tank body 1 can be pushed, the solution is stirred, the solution is uniformly mixed, a liquid level meter interface 11 is arranged at the bottom of the side wall of the tank body 1, the amount of the solution in the tank body 1 is measured through a liquid level meter arranged in the liquid level meter interface 11, three temperature sensor interfaces 10 are uniformly arranged at the side wall of the tank body 1 from the middle part to the bottom, and the temperature sensors are arranged in the tank body to measure the temperatures at different positions of the liquid, the intercommunication is connected with discharging pipe 13 and blow off pipe 14 bottom the jar body 1, and discharging pipe 13 is arranged in the solution of the discharge tank body 1, and the mouth of pipe department that discharging pipe 13 is located the 1 inner chamber of the jar body installs protection filter mantle 1301, can filter solution at ejection of compact in-process, avoids impurity along with solution discharge, discharges through blow off pipe 14 to the sewage impurity in the jar body 1.

The utility model discloses a theory of operation: the ammonium nitrate solution raw material can be directly injected into the tank body 1 at the access 3 by opening the access 3, an external steam supply pipeline is connected to the first heating coil 7, the second heating coil 8 and the third heating coil 9, the ammonium nitrate solution in the tank body 1 is heated by steam, the solution and the temperature in the tank body 1 are detected by a temperature sensor arranged in a temperature sensor interface 10, the solution amount in the tank body 1 is detected by a liquid level meter arranged at a liquid level meter interface 11, the solution can be lifted to the top of the tank body 1 by a ladder stand 6 to overhaul the tank body 1, when the temperature in the tank body 1 reaches a set safety value, the fire fighting pipe 5 is controlled by a control system to start to spray fire fighting work, the pumping filling pipe 4 is communicated and connected with the pumping suction pipe 12 by a pipeline, a water pump is arranged on the pipeline, the water pump sucks the solution out by the pumping suction pipe 12 and then sends the solution into the tank body 1 again by the pumping filling pipe 4, the solution is discharged from the discharge port 401, so that the flow of the solution in the tank 1 can be pushed, the solution is stirred, and the solution is uniformly mixed.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but not for indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention, and further that the terms "first", "second", etc., are used only for descriptive purposes and are not to indicate or imply relative importance or imply the number of technical features being referred to, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

Components and circuit connections not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The ammonium nitrate solution storage tank with good stability is characterized by comprising a tank body (1), wherein three exhaust ports (2) and two access holes (3) are uniformly formed in the top of the tank body (1), a pumping filling pipe (4) is vertically and downwards installed at the top of the tank body (1), the lower end of the pumping filling pipe (4) extends into the bottom of an inner cavity of the tank body (1), a fire-fighting pipe (5) is fixedly installed at the bottom of the inner cavity of the tank body (1), a ladder stand (6) is fixedly connected to the side face of the tank body (1), a guard rail (601) is arranged on the periphery of the ladder stand (6), a mounting plate (15) is fixedly connected to the edge of the bottom of the inner cavity of the tank body (1), a first heating coil (7) and a second heating coil (8) are fixedly installed on the mounting plate (15) through a pipe clamp (1501), the first heating coil (7) is located in the middle position of the inner wall of the tank body (1), the second heating coil (8) is located at the lower end of the inner wall of the tank body (1), the first heating coil (7) and the second heating coil (8) are both in a spiral shape, the pipe orifice of the first heating coil penetrates out of the side wall of the tank body (1), a third heating coil (9) is fixedly mounted on the bottom surface of the inner cavity of the tank body (1), the third heating coil (9) is in a vortex shape, the pipe orifice of the third heating coil (9) penetrates out of the side wall of the tank body (1), the bottom of the inner cavity of the tank body (1) is arranged above the third heating coil (9), a pumping suction pipe (12) is arranged above the pumping suction pipe (12), one end of the pumping suction pipe (12) extends out of the side wall of the tank body (1), the other end of the pumping suction pipe extends to the center of the bottom of the inner cavity of the tank body (1), a liquid level meter interface (11) is arranged at the bottom of the side wall of the tank body (1), and three temperature sensor interfaces (10) are uniformly arranged at intervals from the middle part to the bottom of the side wall, the bottom of the tank body (1) is communicated and connected with a discharge pipe (13) and a sewage discharge pipe (14).

2. The ammonium nitrate solution storage tank with good stability as claimed in claim 1, wherein: fire control pipe (5) are including fixed connection the connecting plate (504) at the jar body (1) inner chamber top, fixedly connected with circular ring pipe (502) on connecting plate (504), circular ring pipe (502) are connected with fire control mouth of pipe (501) intercommunication, fire control mouth of pipe (501) are followed jar body (1) top is stretched out, shower nozzle (503) are evenly installed to circular ring pipe (502) below.

3. The ammonium nitrate solution storage tank with good stability as claimed in claim 1, wherein: the utility model discloses a heating plate, including the jar body (1), first heating coil (7), first steam inlet (701), first steam outlet (702) are respectively to the both ends mouth of pipe of first heating coil (7), first steam inlet (701), first steam outlet (702) are followed respectively the lateral wall of jar body (1) stretches out, the both ends mouth of pipe of second heating coil (8) is second steam inlet (801), second steam outlet (802) respectively, second steam inlet (801), second steam outlet (802) are followed respectively the lateral wall of jar body (1) stretches out, the both ends mouth of pipe of third heating coil (9) is third steam inlet (901), third steam outlet (902) respectively, third steam inlet (901), third steam outlet (902) are followed respectively the lateral wall of jar body (1) stretches out.

4. The ammonium nitrate solution storage tank with good stability as claimed in claim 1, wherein: the pumping filling pipe (4) is provided with discharge ports (401) at equal intervals along the pipe wall, the discharge ports (401) are located at different heights of the inner cavity of the tank body (1) and face the same direction, the pumping filling pipe (4) and the pumping suction pipe (12) are communicated and connected through a pipeline, and a water pump is arranged on the pipeline.

5. The ammonium nitrate solution storage tank with good stability as claimed in claim 1, wherein: the discharge pipe (13) is located a protective filter cover (1301) is installed at the pipe orifice of the inner cavity of the tank body (1).