CN217377355U - Be applied to recovery unit of nitrifying spent acid - Google Patents

Abstract

The utility model relates to a waste acid recovery technical field discloses a be applied to recovery unit who nitrifies spent acid, including concentrated recovery jar and two cover about the clamp of concentrated recovery jar symmetric distribution, two it folds and overlaps and overlap each other to press from both sides the cover and be in the outer wall of concentrated recovery jar, press from both sides the cover inner wall and set up the water bath annular that many equidistance distribute, and every the cover arm that presss from both sides the cover sets up the steam water conservancy diversion ring cavity that a plurality of equidistance distribute, two the inner wall that presss from both sides the cover all is provided with the sealing ring strip with concentrated recovery jar laminating department. The utility model discloses when needing to wash the incrustation scale to two water bath annular that press from both sides the cover inboard, can press from both sides the bolt of both sides around the cover and demolish the back and can wash the incrustation scale, avoid among the prior art though be provided with annular heat pipe in pressing from both sides the cover, but this kind of mode leads to pressing from both sides the long-time incrustation scale that adds the hot water source and produce of cover inner chamber and can't clear away, has the problem that the heat conduction effect reduces, and is comparatively practical, is fit for extensively promoting and using.

Description

Recovery device applied to nitrified waste acid

Technical Field

The utility model relates to a waste acid recovery technical field specifically is a be applied to recovery unit of nitrifying spent acid.

Background

The anthraquinone nitration waste acid has large production amount, and about 10 tons of waste acid with the concentration of about 20% is produced per ton of products. The waste acid has the characteristics of high COD, high total nitrogen, extremely difficult biochemical treatment and the like. The nitration waste acid is generally recycled by adopting a concentration device.

The retrieved Chinese patent publication No. CN 209108628U discloses a recovery device applied to nitrified waste acid, which comprises a first concentration tank, a second concentration tank and a liquid pump communicated with the first concentration tank and the second concentration tank, wherein a water bath sleeve is arranged on the surface of the first concentration tank, and a heater is arranged outside the water bath sleeve; a water inlet conduit and a water outlet conduit are respectively arranged on two sides of the water bath sleeve; and a steam hose is arranged in the water bath sleeve, one end of the steam hose is communicated with the second concentration tank through a steam conduit, and the other end of the steam hose penetrates through the water bath sleeve and is communicated with the outside of the water bath sleeve. Although the utility model is provided with the water bath sleeve, the steam hose and the steam conduit, the second concentration tank emits a large amount of high-temperature steam in the boiling concentration process and is used as a heat source for preconcentration of the first concentration tank, so that the heat in the steam can be fully utilized, the energy consumption of a condenser is reduced, and the energy is saved on the whole; the setting of breather pipe and branch pipe through the letting in of nitrogen gas, has both kept jar two vacuum environment of body, can improve waste acid concentration efficiency again.

However, the inventor finds that the technical scheme still has at least the following defects:

although be provided with annular heat pipe in the clamp cover among this technical scheme, this kind of mode leads to can't clear away at the long-time incrustation scale that adds the hot water source and produce of clamp cover inner chamber, has the problem that the heat conduction effect reduces.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to recovery unit of nitrifying spent acid, solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a recovery device applied to nitration waste acid comprises a concentration recovery tank and two jackets which are symmetrically distributed about the concentration recovery tank, wherein the two jackets are mutually folded and sleeved on the outer wall of the concentration recovery tank, the inner wall of each jacket is provided with a plurality of water bath ring grooves which are distributed at equal intervals, each jacket arm of each jacket is provided with a plurality of steam guide ring cavities which are distributed at equal intervals, and the joint parts of the inner walls of the two jackets and the concentration recovery tank are provided with sealing ring strips;

two both sides all are dismantled fixedly through the bolt around the clamp cover, and two the sealed intercommunication of the water bath annular level alignment of seting up on the clamp cover, two the steam water conservancy diversion ring cavity level alignment intercommunication of seting up on the clamp cover.

As a preferred embodiment of the present invention, a steam through hole is disposed between two adjacent steam guide ring cavities; and a water through hole is formed in the jacket between every two adjacent water bath ring grooves.

As a preferred embodiment of the utility model, one of them the fixed intercommunication in lower part of pressing from both sides the cover has steam to advance the pipe, and steam advances pipe and steam water conservancy diversion ring chamber intercommunication, and the fixed intercommunication in upper portion that should press from both sides the cover has the steam exit tube, and the fixed intercommunication of steam exit tube is on steam water conservancy diversion ring chamber upper portion.

As a preferred embodiment of the utility model, another the upper and lower two parts that press from both sides the cover are fixed respectively to be communicated with have drain pipe and inlet tube, and inlet tube and drain pipe all are fixed the intercommunication in the water bath annular.

Compared with the prior art, the beneficial effects of the utility model are as follows:

when the incrustation scale needs to be cleaned by the water bath ring grooves on the inner sides of the two clamping sleeves, the incrustation scale can be cleaned after the bolts on the front side and the rear side of the two clamping sleeves are detached, and the problem that in the prior art, although the annular heat conducting pipe is arranged in the clamping sleeve, the incrustation scale generated by heating a water source in the inner cavity of the clamping sleeve for a long time cannot be cleaned in the mode, and the heat conducting effect is reduced is solved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of the entire apparatus for recovering nitrified waste acid according to the present invention;

FIG. 2 is a schematic view of the top-view cross-sectional structure of two sleeves of the device for recovering nitrified waste acid according to the present invention, the two sleeves being disposed at the distribution positions on the concentration recovery tank;

fig. 3 is an enlarged schematic structural diagram of a point a in fig. 1 of the recovery device for nitrified waste acid of the present invention.

In the figure: 1. a concentration recovery tank; 2. a jacket; 3. water bath ring grooves; 4. a steam inlet pipe; 5. a steam guide ring cavity; 6. a steam outlet pipe; 7. sealing the ring strip; 8. a water through hole; 9. a steam through hole; 10. a water inlet pipe; 11. and a water discharge pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a recovery device applied to nitrified waste acid comprises a concentration recovery tank 1 and two jackets 2 symmetrically distributed about the concentration recovery tank 1, wherein the two jackets 2 are mutually folded and sleeved on the outer wall of the concentration recovery tank 1, the inner wall of each jacket 2 is provided with a plurality of water bath ring grooves 3 which are equidistantly distributed, a sleeve arm of each jacket 2 is provided with a plurality of steam guide ring cavities 5 which are equidistantly distributed, the joint parts of the inner walls of the two jackets 2 and the concentration recovery tank 1 are respectively provided with a sealing ring strip 7, and the sealing ring strips 7 can ensure that when the two jackets 2 are fixedly jointed on the outer wall of the concentration recovery tank 1, a sealing effect can be achieved;

the front and back sides of the two clamping sleeves 2 are both detached and fixed through bolts, the water bath ring grooves 3 formed in the two clamping sleeves 2 are horizontally aligned and sealed and communicated, and the steam guide ring cavities 5 formed in the two clamping sleeves 2 are horizontally aligned and communicated.

Referring to fig. 1-3, in the embodiment, a steam through hole 9 is formed between two adjacent steam guide ring cavities 5; the jacket 2 between two adjacent water bath ring grooves 3 is provided with a water through hole 8, external cold water enters the water bath ring grooves 3 of the jacket 2 from the water inlet pipe 10, and enters each water bath ring groove 3 through the water through hole 8 in the water bath ring groove 3 to achieve a stable effect.

Referring to fig. 1-3, further, a steam inlet pipe 4 is fixedly communicated with a lower portion of one of the jackets 2, the steam inlet pipe 4 is communicated with a steam guide ring cavity 5, and a steam outlet pipe 6 is fixedly communicated with an upper portion of the jacket 2, the steam outlet pipe 6 is fixedly communicated with an upper portion of the steam guide ring cavity 5; the upper and lower two parts of another cover 2 are fixed the intercommunication respectively and are had drain pipe 11 and inlet tube 10, and inlet tube 10 and drain pipe 11 are all fixed the intercommunication in water bath annular 3, and outside steam enters pipe 4 from steam and enters into the steam water conservancy diversion ring chamber 5 that presss from both sides the cover 2 inner chamber, and steam from bottom to top enters into each steam water conservancy diversion ring chamber 5 from the steam through-hole 9 in the steam water conservancy diversion ring chamber 5 in, guarantees to carry out the intensive heating to whole concentrated recovery tank 1, improves the practicality.

It should be noted that, the utility model relates to a be applied to recovery unit of nitrifying spent acid, each is the parts that general standard component or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: outside steam advances pipe 4 and enters into the steam water conservancy diversion ring chamber 5 that the cover 2 of pressing from both sides was seted up in the actual operation in-process, down and on the right side in pouring into steam exit tube 6 in proper order, in this in-process, outside cold water enters into in the water bath annular 3 that two covers 2 were seted up from inlet tube 10, water bath annular 3 can adsorb the heat in the steam water conservancy diversion ring chamber 5, absorptive heat not only can heat concentrated recovery tank 1, can also heat concentrated recovery tank 1 inner wall, the concentrated waste acid concentrated recovery efficiency of nitrifying of improvement concentrated recovery tank 1.

When later stage need be washd the incrustation scale to two water bath annular 3 that press from both sides the cover 2 inboard, can wash the incrustation scale after dismantling the bolt of both sides around two cover 2, avoid among the prior art though be provided with annular heat pipe in pressing from both sides the cover, this kind of mode leads to pressing from both sides the incrustation scale that the long-time heating water source produced of cover inner chamber and can't clear away, has the problem that the heat conduction effect reduces.

After being heated by the jacket, the water source can be discharged from the water discharge pipe 11 and then is conveyed to a factory for civil use or is stored in a heat preservation way, so that the environment is protected.

Claims (4)

1. The utility model provides a be applied to recovery unit of nitrifying spent acid which characterized in that: the steam recovery device comprises a concentration recovery tank (1) and two jackets (2) which are symmetrically distributed about the concentration recovery tank (1), wherein the two jackets (2) are mutually folded and sleeved on the outer wall of the concentration recovery tank (1), a plurality of water bath annular grooves (3) which are distributed at equal intervals are formed in the inner wall of each jacket (2), a plurality of steam guide annular cavities (5) which are distributed at equal intervals are formed in a sleeve arm of each jacket (2), and sealing annular strips (7) are arranged at the joint of the inner walls of the two jackets (2) and the concentration recovery tank (1);

two both sides all are dismantled fixedly through the bolt around pressing from both sides cover (2), and two the sealed intercommunication of water bath annular (3) level alignment that sets up on pressing from both sides cover (2), two steam water conservancy diversion ring chamber (5) level alignment intercommunication of setting up on pressing from both sides cover (2).

2. A recovery unit for nitrified waste acid according to claim 1, characterized in that: a steam through hole (9) is formed between every two adjacent steam guide ring cavities (5); and a water through hole (8) is formed in the jacket (2) between every two adjacent water bath ring grooves (3).

3. A recovery unit for nitrified waste acid according to claim 2, characterized in that: the lower part of one of the jackets (2) is fixedly communicated with a steam inlet pipe (4), the steam inlet pipe (4) is communicated with the steam guide ring cavity (5), the upper part of the jacket (2) is fixedly communicated with a steam outlet pipe (6), and the steam outlet pipe (6) is fixedly communicated with the upper part of the steam guide ring cavity (5).

4. A recovery unit for nitrified waste acid according to claim 3, characterized in that: the upper part and the lower part of the other jacket (2) are respectively fixedly communicated with a water discharge pipe (11) and a water inlet pipe (10), and the water inlet pipe (10) and the water discharge pipe (11) are fixedly communicated in the water bath ring groove (3).

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