CN219209068U - Surplus ammonia water intermediate tank - Google Patents

Abstract

The utility model discloses a residual ammonia water intermediate tank, relates to the technical field of coking chemical industry, and solves the problem that the residual ammonia water intermediate tank is easy to float during the operation and maintenance. The residual ammonia water middle groove comprises an inner groove, an outer groove, an oil drain pipe, an outer groove emptying pipe, a liquid inlet pipe and a full flow pipe, wherein a liquid outlet is formed in the outer groove, the oil drain pipe penetrates through the outer groove, one end of the oil drain pipe is communicated with the conical tip of the conical bottom groove wall of the inner groove, the other end of the oil drain pipe is arranged outside the outer groove, a first valve and a second valve are sequentially arranged on the oil drain pipe in the flowing direction, the first valve and the second valve are all arranged outside the outer groove, a third valve is arranged on the outer groove emptying pipe, one end of the outer groove emptying pipe is communicated with the outer groove, and the other end of the outer groove emptying pipe is communicated with the oil drain pipe and is located between the first valve and the second valve at the communicating position in the flowing direction of the oil drain pipe. The ammonia water is automatically pressed into the outer tank, so that the equipment investment and energy consumption for additionally installing the pump are reduced, and the accident potential of the floating tank during liquid injection and liquid discharge is improved.

Description

Surplus ammonia water intermediate tank

Technical Field

The utility model relates to the technical field of coking chemical industry, in particular to a residual ammonia water intermediate tank.

Background

The ammonia water system in the coking chemical tank area generally adopts a residual ammonia water middle tank to settle and discharge accumulated oil in the ammonia water. If the middle groove of the residual ammonia water adopts a baffle plate type, the oil removing effect is poor, and the requirement of the residual ammonia water on oil-containing indexes is difficult to meet; if the residual ammonia water middle tank adopts the form of an inner tank and an outer tank, the tank floating accident is easy to occur during the operation and maintenance.

Disclosure of Invention

The application provides a surplus aqueous ammonia intermediate tank, has solved the technical problem that surplus aqueous ammonia intermediate tank easily takes place the jar accident in throwing in the use, overhauls in the correlation technique.

The utility model provides a surplus aqueous ammonia intermediate tank, including the inside groove, the external groove, the oil drain pipe, external groove relief pipe, feed liquor pipe and full flow pipe, the bottom cell wall of inside groove is the toper setting, the below of inside groove is located to the external groove, the external groove is in the outer fringe fixed connection of top and inside groove, the liquid outlet has been seted up to the external groove, the oil drain pipe wears to locate the external groove, the conical tip department intercommunication of the conical bottom cell wall of oil drain pipe one end and inside groove, the external groove is located outward to the oil drain pipe other end, first valve and second valve are installed in proper order on the direction of flow to the oil drain pipe, first valve and second valve all locate the external groove outward, the oil drain pipe is less than the liquid outlet, the third valve is installed to the external groove relief pipe, external groove relief pipe one end and external groove intercommunication, the external groove relief pipe other end and the oil drain pipe intercommunication just are located between first valve and the second valve in the direction of flow, external groove relief pipe is less than the liquid outlet, the feed liquor pipe communicates with the inside groove, full flow pipe locates inside groove and external groove, full flow pipe's top and full flow pipe communicate with external groove.

In some embodiments, the device further comprises a concentrated diffusing communication pipe and a concentrated diffusing pipeline, wherein the concentrated diffusing communication pipe is respectively communicated with the inner groove and the outer groove, the communicating position of the concentrated diffusing communication pipe and the outer groove is higher than the liquid outlet, the concentrated diffusing pipeline is respectively communicated with the top of the inner groove and the top of the full-flow pipe, and the concentrated diffusing pipeline is also communicated with the concentrated diffusing communication pipe.

In some embodiments, the device further comprises a baffle plate, wherein the baffle plate is arranged in the outer groove, and the communicating part of the full flow pipe and the outer groove is arranged towards the baffle plate.

In some embodiments, the inlet tube includes two openings in the inner tank, one opening near the tapered bottom of the inner tank and the other opening near the top of the inner tank.

In some embodiments, the inlet tube is configured with an inlet tube support welded to the tapered bottom of the inner tank, the inlet tube support being fixedly connected to the inlet tube.

In some embodiments, the method further comprises an inner tank support, a bottom end of the inner tank support being welded to a bottom of the outer tank, and a top end of the inner tank support being welded to a tapered bottom of the inner tank.

In some embodiments, a breathing manhole is also included, the breathing manhole being mounted to the top of the inner tank.

In some embodiments, the method further comprises installing a first manhole to the inner tank and installing a second manhole to the outer tank.

In some embodiments, the full flow pipe is in communication with the outer trough and the liquid outlet is on opposite sides of the outer trough, respectively.

In some embodiments, the drain pipe is above the bottom of the outer trough.

The beneficial effects of the application are as follows: the method comprises the steps of providing a residual ammonia water middle tank, adopting an inner tank and outer tank mode, opening the first valve and the third valve when starting liquid injection through an oil drain pipe, an outer tank emptying pipe, a first valve and a second valve arranged on the oil drain pipe and a third valve arranged on the outer tank emptying pipe, forming a communicating vessel at the position, closing the first valve, the second valve and the third valve after liquid out of a liquid outlet flows out of equipment in the next working procedure, continuously feeding the ammonia water under the liquid into the outer tank from the inner tank through the full-flow pipe, and enabling the ammonia water to enter the outer tank by means of self-pressure of the ammonia water, so that equipment investment and energy consumption for additionally installing a pump are reduced; the first valve, the second valve and the third valve are opened during liquid leakage, and in the whole, the residual ammonia water middle tank provided by the application improves the accident potential of the floating tank during liquid injection and liquid leakage, and provides a safe and reliable operation mode.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present utility model.

Fig. 1 is a schematic structural diagram of a residual ammonia water intermediate tank provided in the present application.

The drawings are marked: 1-inner tank, 2-outer tank, 3-full flow pipe, 4-baffle, 5-feed liquor pipe, 6-drain pipe, 61-first valve, 62-second valve, 7-inner tank support, 8-feed liquor pipe support, 9-outer tank drain pipe, 93-third valve, 10-liquid outlet, 11-concentrated drain communicating pipe, 12-concentrated drain pipeline, 13-breathing manhole, 14-first manhole, 15-second manhole.

Detailed Description

In the residual ammonia water middle tank in the original inner and outer tank form, the liquid injection adopts the first injection of the inner tank and then the outer tank, and the liquid discharge firstly discharges the outer tank and then discharges the inner tank, so that the joint of the inner tank and the outer tank can be damaged due to the influence of the liquid in the process, and the hidden danger of a tank floating accident is caused.

Referring to fig. 1, the present embodiment provides a remaining ammonia water middle tank, which adopts an inner tank and outer tank form, and includes an inner tank 1 and an outer tank 2 connected with the inner tank 1, wherein the outer tank 2 is disposed below the inner tank 1, the bottom tank wall of the inner tank 1 is tapered, and the tapered bottom includes a conical tip at the bottom end and a conical maximum outer diameter at the high position.

The connection of the inner tank 1 and the outer tank 2 belongs to a sealing connection. In some embodiments, the upper edge of the outer tank 2 is fixedly connected to the tapered bottom of the inner tank 1 at the tapered maximum outer diameter. In some embodiments, the connection between the inner tank 1 and the outer tank 2 is specifically by welding.

Referring to fig. 1, the outer tank 2 is provided with a liquid outlet 10, and the liquid outlet 10 is connected to the equipment in the next process. It will be appreciated that the outlet 10 is located near the upper edge of the outer trough 2.

Referring to fig. 1, the remaining ammonia water intermediate tank includes a liquid inlet pipe 5 and a full flow pipe 3, the liquid inlet pipe 5 is communicated with the inner tank 1, and liquid is injected into the remaining ammonia water intermediate tank through the liquid inlet pipe 5; the full flow pipe 3 is arranged outside the inner tank 1 and the outer tank 2, the top end of the full flow pipe 3 is communicated with the inner tank 1, and the bottom end of the full flow pipe 3 is communicated with the outer tank 2.

Referring to fig. 1, the remaining ammonia water middle tank includes an oil drain pipe 6, the oil drain pipe 6 is disposed through the outer tank 2, one end of the oil drain pipe 6 is communicated with a conical tip of a conical bottom tank wall of the inner tank 1, the other end of the oil drain pipe 6 is disposed outside the outer tank 2, a first valve 61 and a second valve 62 are sequentially installed on the oil drain pipe 6 in a flowing direction, and the first valve 61 and the second valve 62 are disposed outside the outer tank 2. It will be appreciated that the drain pipe 6 is below the liquid outlet 10, in particular that the drain pipe 6 is arranged close to the bottom of the outer tank 2.

Referring to fig. 1, the remaining ammonia water intermediate tank includes an outer tank drain pipe 9, a third valve 93 is installed on the outer tank drain pipe 9, one end of the outer tank drain pipe 9 is communicated with the outer tank 2, the other end of the outer tank drain pipe 9 is communicated with the drain pipe 6, and the communication position is located between the first valve 61 and the second valve 62 in the flow direction of the drain pipe 6. It will be appreciated that the chute vent pipe 9 is also lower than the outlet 10.

The residual ammonia water middle tank mainly comprises the following liquid injection process in the specific working process: opening the first valve 61 and the third valve 93, closing the second valve 62, opening the valve of the next procedure of the liquid outlet 10, starting to feed ammonia water into the inner tank 1 in a small flow way through the liquid inlet pipe 5, and self-pressing the ammonia water into the outer tank 2 through the oil drain pipe 6 and the outer tank emptying pipe 9 after the ammonia water automatically flows to the conical tip of the inner tank 1;

along with the continuous injection of ammonia water in the liquid inlet pipe 5, the inner tank 1 and the outer tank 2 form a communicating vessel structure through the oil drain pipe 6 and the outer tank emptying pipe 9, and the liquid levels of the inner tank 1 and the outer tank 2 can synchronously rise until reaching the joint of the inner tank 1 and the outer tank 2; continuing to feed liquid, wherein the liquid level in the inner tank 1 rises to the top end of the full flow pipe 3, ammonia water flows from the inner tank 1 to the full flow pipe 3, and when the liquid continues to feed liquid until the inner tank 1 rises to a certain height, the liquid from the liquid outlet 10 automatically flows out from the equipment in the knight-errant process, and at the moment, the liquid feeding and the liquid discharging start to be balanced;

and then the first valve 61 and the third valve 93 are closed, ammonia water enters the inner tank 1 from the liquid inlet pipe 5, the ammonia water is introduced into the corresponding position of the conical bottom wall of the inner tank 1 to settle and separate accumulated oil in the ammonia water, the ammonia water after oil-water separation enters the outer tank 2 from the full flow pipe 3, the ammonia water in the outer tank 2 flows out from the liquid outlet 10 in a self-pressing way and enters the equipment of the next procedure, and after the equipment is put into use, the first valve 61 and the second valve 62 are opened to proper opening degrees, so that the inner tank 1 can timely and continuously discharge accumulated oil near the cone tip through the oil drain pipe 6, and the separation of the ammonia water and tar is more facilitated.

The residual ammonia water middle tank comprises the following liquid discharging processes in the specific working process: the first valve 61, the second valve 62 and the third valve 93 are opened, and the outer tank emptying pipe 9 is communicated with the oil drain pipe 6, so that the inner tank 1 and the outer tank 2 are jointly emptied, and the hidden trouble of the original floating tank accident is improved.

In summary, the residual ammonia water middle tank provided by the embodiment is self-pressed into the outer tank 2 by means of ammonia water, so that equipment investment and energy consumption for additionally installing a pump are reduced; the hidden trouble of the floating tank accident during liquid injection and liquid discharge is improved, and a safe and reliable operation mode is provided.

In some embodiments, referring to fig. 1, the oil drain pipe 6 is higher than the bottom of the outer tank 2, the oil drain pipe 6 extends out from the outer tank 2 along the lateral direction, and the oil drain pipe 6 is higher than the ground under the condition that the rest ammonia water middle tank is placed on the ground, compared with the scheme that the original oil drain pipe 6 extends to the basement, the risk of the basement limited space operation is eliminated.

In some embodiments, referring to fig. 1, the connection between the full flow pipe 3 and the outer tank 2 is located at the left side of the outer tank 2 in the figure, and the liquid outlet 10 is located at the right side of the outer tank 2 in the figure, which defines in detail that the connection between the full flow pipe 3 and the outer tank 2 and the liquid outlet 10 are located at two opposite sides of the outer tank 2, so as to reduce the adverse effects of the full flow pipe 3 and the liquid outlet 10.

In some embodiments, the residual ammonia water middle tank further comprises a baffle plate 4, the baffle plate 4 is arranged in the outer tank 2, and the communication part of the full flow pipe 3 and the outer tank 2 is arranged towards the baffle plate 4. The baffle 4 plays a role in buffering liquid flow entering the outer tank 2 from the full flow pipe 3, improves the impact of ammonia water when entering the outer tank 2 from the full flow pipe 3, and improves the adverse condition that the impact stirs up deposited oil in the outer tank 2.

In some embodiments, the baffle 4 is welded to the outer tank 2, such as by welding the upper end of the baffle 4 to the vertical wall of the outer tank 2 and welding the lower end of the baffle 4 to the bottom of the outer tank 2.

In some embodiments, referring to fig. 1, the liquid inlet pipe 5 includes two openings in the inner tank 1, one opening being near the tapered bottom of the inner tank 1, the opening belonging to the inlet position of the ammonia water; the other opening is near the top of the inner tank 1, which opening is in gas communication with the upper cavity of the inner tank 1.

In some embodiments, referring to fig. 1, the liquid inlet pipe 5 includes a horizontal section, a downward inclined section and an upward vertical section, wherein the downward inclined section is communicated with one end of the horizontal section, the other end of the horizontal section is connected with an ammonia water source, one end of the downward inclined section, which is far away from the horizontal section, is the opening near the conical bottom of the inner tank 1, and one end of the upward vertical section, which is far away from the horizontal section, is the opening near the top of the inner tank 1.

In some embodiments, the downhill section is relatively parallel to the tapered bottom wall of the inner tank 1 adjacent thereto.

In some embodiments, the upper vertical section is vertically disposed.

In some embodiments, referring to fig. 1, the liquid inlet pipe 5 is provided with a liquid inlet pipe support 8, the liquid inlet pipe support 8 is welded to the tapered bottom of the inner tank 1, and the liquid inlet pipe support 8 is fixedly connected with the liquid inlet pipe 5. The liquid inlet pipe support 8 plays a role in fixing and supporting the oil inlet pipe, and the number of the liquid inlet pipe supports 8 can be adaptively adjusted.

In some embodiments, the surplus aqueous ammonia intermediate tank further includes an inner tank support 7, the bottom end of the inner tank support 7 being welded to the bottom of the outer tank 2, and the top end of the inner tank support 7 being welded to the tapered bottom of the inner tank 1. The inner tank support 7 plays a role in safely supporting and fixing the inner tank 1, and the number and arrangement mode of the inner tank support 7 can be adaptively adjusted.

In some embodiments, the inner tank supports 7 are divided into four groups that are evenly spaced circumferentially along the cone tip of the conical bottom wall of the inner tank 1.

In some embodiments, referring to fig. 1, the remaining ammonia water intermediate tank further includes a concentrated diffusing communicating pipe 11 and a concentrated diffusing pipe 12, the concentrated diffusing communicating pipe 11 is respectively communicated with the inner tank 1 and the outer tank 2, a communicating position of the concentrated diffusing communicating pipe 11 and the outer tank 2 is higher than the liquid outlet 10, the concentrated diffusing pipe 12 is respectively communicated with the top of the inner tank 1 and the top of the full-flow pipe 3, and the concentrated diffusing pipe 12 is also communicated with the concentrated diffusing communicating pipe 11. The beneficial effects are that: through the concentrated diffusing communicating pipe 11, the gas in the inner tank 1 is conveniently discharged and the pressure of the inner tank 1 and the pressure of the outer tank 2 are conveniently balanced during liquid injection; through concentrate the pipeline 12 of diffusing, collect the gas of escaping, also played the effect of balanced inside groove 1 and the pressure of outer groove 2.

Referring to fig. 1, the concentrated diffusing pipe 12 is provided with three sets of valves, which are respectively on a part of the pipe connected with the full flow pipe 3, a part of the pipe connected with the top of the inner tank 1, and a part of the pipe connected with the concentrated diffusing communicating pipe 11. Each group of valves comprises two valves, so as to be arranged at the distance on the part of the pipeline connected with the full flow pipe 3, one end of each valve is communicated with the full flow pipe 3, the other end of each valve is communicated with the atmosphere, and the other end of each valve is communicated with the main pipeline of the concentrated diffusing pipeline 12. It is to be noted that, when the remaining ammonia water intermediate tank in the present embodiment starts to be charged, the valves in the above three groups of valves are opened to the atmosphere, and then the first valve 61 and the third valve 93 are opened and the second valve 62 is closed.

In some embodiments, referring to fig. 1, the above-mentioned centralized diffusing pipe 12 is further connected to the centralized diffusing communication pipe 11, and specifically, the centralized diffusing pipe 12 is connected to the top of the centralized diffusing communication pipe 11.

In some embodiments, referring to fig. 1, the remaining ammonia water middle tank further includes a breathing manhole 13, the breathing manhole 13 is mounted at the top of the inner tank 1, and the breathing manhole 13 has the beneficial effects of balancing the pressure inside the middle tank and preventing the tank from being damaged due to too high or too low pressure.

In some embodiments, the residual ammonia water middle tank further comprises a first manhole 14 arranged on the inner tank 1 and a second manhole 15 arranged on the outer tank 2, so that the residual ammonia water middle tank is convenient to use when being overhauled by a person.

In some embodiments, the first man holes 14 are mounted on top of the inner tank 1.

In some embodiments, the second manhole 15 is installed at a position near the periphery and the bottom of the outer tank 2.

In some embodiments, the inner tank 1, the outer tank 2, the liquid filling pipe, the liquid draining pipe and the like are made of stainless steel materials, and have the properties of corrosion resistance and leakage resistance.

In some embodiments, a plurality of oil drain pipes (not shown) are further connected to the outer tank for draining accumulated oil in the outer tank.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A surplus aqueous ammonia intermediate tank, characterized by comprising:

an inner groove, the groove wall at the bottom of which is arranged in a conical shape;

the outer groove is arranged below the inner groove, is fixedly connected with the outer edge of the inner groove at the top and is provided with a liquid outlet;

the oil drain pipe penetrates through the outer groove, one end of the oil drain pipe is communicated with the cone tip of the cone-shaped bottom groove wall of the inner groove, the other end of the oil drain pipe is externally arranged on the outer groove, a first valve and a second valve are sequentially arranged in the flowing direction, the first valve and the second valve are externally arranged on the outer groove, and the oil drain pipe is lower than the liquid outlet;

an outer groove emptying pipe is provided with a third valve, one end of the outer groove emptying pipe is communicated with the outer groove, the other end of the outer groove emptying pipe is communicated with the oil drain pipe, the communicated part is positioned between the first valve and the second valve in the flowing direction of the oil drain pipe, and the outer groove emptying pipe is lower than the liquid outlet;

the liquid inlet pipe is communicated with the inner groove; and

and the full flow pipe is externally arranged on the inner groove and the outer groove, the top end of the full flow pipe is communicated with the inner groove, and the bottom end of the full flow pipe is communicated with the outer groove.

2. The residual ammonia water intermediate tank as claimed in claim 1, further comprising a concentrated diffusing communicating pipe and a concentrated diffusing pipeline, wherein the concentrated diffusing communicating pipe is respectively communicated with the inner tank and the outer tank, the communicating position of the concentrated diffusing communicating pipe and the outer tank is higher than the liquid outlet, the concentrated diffusing pipeline is respectively communicated with the top of the inner tank and the top of the full-flow pipe, and the concentrated diffusing pipeline is also communicated with the concentrated diffusing communicating pipe.

3. The surplus aqueous ammonia intermediate tank of claim 1, further comprising a baffle plate disposed in the outer tank, wherein a communication point between the full flow pipe and the outer tank is disposed toward the baffle plate.

4. The residual ammonia intermediate tank of claim 1 wherein said feed pipe includes two openings in said inner tank, one adjacent the tapered bottom of said inner tank and the other adjacent the top of said inner tank.

5. The residual ammonia water intermediate tank as defined in claim 4 wherein said feed pipe is provided with a feed pipe support welded to the tapered bottom of said inner tank, said feed pipe support being fixedly connected to said feed pipe.

6. The residual ammonia water intermediate tank as defined in claim 1, further comprising an inner tank support, a bottom end of the inner tank support being welded to a bottom of the outer tank, a top end of the inner tank support being welded to a tapered bottom of the inner tank.

7. The surplus aqueous ammonia intermediate tank of claim 1, further comprising a breathing manhole mounted to a top of the inner tank.

8. The surplus aqueous ammonia intermediate tank of claim 1, further comprising a first manhole mounted to the inner tank and a second manhole mounted to the outer tank.

9. The surplus aqueous ammonia intermediate tank of claim 1, wherein the full flow pipe and the outer tank are connected to each other and the liquid outlet is located on opposite sides of the outer tank.

10. The surplus aqueous ammonia intermediate tank of any one of claims 1-9, wherein the drain pipe is higher than the bottom of the outer tank.

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