CN220558895U

CN220558895U - Ammonia water clarification tank

Info

Publication number: CN220558895U
Application number: CN202321764673.5U
Authority: CN
Inventors: 李威; 熊志; 吴博; 余茂华
Original assignee: Hubei Mingkeming Environmental Protection Technology Co ltd
Current assignee: Hubei Mingkeming Environmental Protection Technology Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-03-08
Anticipated expiration: 2033-07-05

Abstract

The utility model relates to an ammonia water clarifying tank, which comprises a closed tank body, wherein the top of the tank body is provided with an ammonia removal tank, the top of the tank body is provided with an air inlet and an air outlet, an air suction pump is arranged on the air outlet, the air outlet end of the air suction pump is communicated with the ammonia removal tank, an ammonia recovery component and a filter are also arranged in the ammonia removal tank, the ammonia recovery component is fixedly arranged on the inner side wall of the ammonia removal tank and is used for recovering ammonia in the tail gas of the tank body, and the filter is detachably arranged in an exhaust pipe at the top of the ammonia removal tank and is used for carrying out secondary filtration on the tail gas; this application is taken out inslot and air mixing's ammonia, and the cooperation removes ammonia recovery unit in the ammonia case and carries out prefiltering, then is caught by the deflector and forms the water droplet, relies on the drainage groove to collect to the bottom that removes the ammonia case and forms aqueous ammonia, aqueous ammonia directly discharges into the aqueous ammonia clarification tank through the drain pipe that removes ammonia bottom of the case portion to avoid the ammonia extravagant, air after filtering through spraying can filter through the filter once more, with this cleanliness factor of guaranteeing discharge air.

Description

Ammonia water clarification tank

Technical Field

The utility model relates to the technical field of clarification equipment, in particular to an ammonia water clarification tank.

Background

The ammonia water clarifying tank is a coke oven gas primary cooling device for separating coal tar, ammonia water and tar residues by utilizing the gravity sedimentation principle. The section of the groove body is boat-shaped and rectangular. The mechanical ammonia water clarifying tank is equipment used for purifying tar in gas company or coke plant and is used for separating tar, ammonia water and tar residue based on different specific gravity of material. The inside of the groove is divided into three layers: the upper layer is ammonia water, the middle layer is tar, the lower layer is tar residue, the tar residue deposited at the bottom of the tank is sent to the outside of the discharge chute of the discharge spout by a scraper conveyor, the tar flows to the tar tank by a liquid level regulator, and the clarified ammonia water overflows to a circulating ammonia water tank through the upper part.

Because ammonia is in the top and possess volatility, therefore ammonia volatilized partial ammonia can mix in the air, in order to avoid this part to also in the air direct emission of ammonia to the atmosphere, need install an air extraction device at the tail end of cell body to communicate it in filtration equipment, so remove the well ammonia of air, but ordinary filter can only get rid of partial ammonia, reduce the concentration of ammonia promptly, and can not reach the effect of getting rid of the ammonia completely, volatilized ammonia is comparatively clean, consequently need an ammonia clarifying tank that can effectively retrieve ammonia, reduce the energy consumption, reduction in production cost.

Disclosure of Invention

Based on the expression, the utility model provides an ammonia water clarifying tank to solve the defects that common filtering equipment cannot effectively remove ammonia in air, and the ammonia water clarifying tank does not have a recycling effect, so that a large amount of ammonia water is wasted and energy consumption is improved.

The utility model is realized by the following technical scheme:

the utility model provides an aqueous ammonia clarification tank, includes inclosed cell body, the top of cell body is equipped with one and removes the ammonia case, the top of cell body is equipped with air intake and air outlet, wherein be equipped with the aspiration pump on the air outlet, the air-out end of aspiration pump and remove ammonia case intercommunication, it still is equipped with ammonia recovery unit and filter to remove the ammonia incasement, wherein ammonia recovery unit fixed mounting is used for retrieving the ammonia in the cell body tail gas on removing the inside wall of ammonia case, the filter is removable to be installed in the blast pipe that removes ammonia case top and is used for carrying out secondary filtration to the tail gas.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, be equipped with the fixed bolster on removing the lateral wall of ammonia case and with cell body top detachable fixed connection, the last half that removes the ammonia case and be equipped with an arc end cover for rectangular housing and top on the fixed bolster, the blast pipe is vertical to be installed in the center department of arc end cover, the lower half that removes the ammonia case and be provided with a drain pipe for inverted cone casing and bottom center department below the fixed bolster, the drain pipe vertically downwardly extending reaches cell body inside, still be equipped with the water stop valve on the drain pipe.

Furthermore, a water stop valve is further arranged on the drain pipe, and the water stop valve is an electronic valve capable of being remotely controlled.

Further, ammonia recovery subassembly is including encircling the raceway that sets up on except that the ammonia case lateral wall, encircle on the inside wall except that the ammonia case and be provided with a plurality of atomizer, every atomizer's the inlet end all passes except that the lateral wall of ammonia case and communicates with the raceway, the dewatering layer has been arranged to atomizer's top, still be equipped with the drainage groove on except that the inside wall of ammonia case, the drainage groove is close to the overflow mouth department arrangement of dewatering layer.

Further, the dewatering layer is formed by mutually overlapping a plurality of dewatering plates, and holes on every two adjacent dewatering plates are arranged in a staggered mode.

Further, the filter is cylindrical, and the filter element of the filter is columnar activated carbon.

Further, a ph meter and a liquid level meter are further arranged in the ammonia removal box, and the ph meter and the liquid level meter are electrically connected with a display screen arranged on the outer side wall of the ammonia removal box and display detection data.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

the mode of initiative convulsions is adopted in this application, take out the ammonia of inslot and air mixing, and cooperate and remove ammonia recovery subassembly in the ammonia case and carry out prefiltering, a large amount of ammonia and water smoke mix, then by the dehydration board catches and form the water droplet, the drainage groove on the box inner wall is collected to the bottom that removes the ammonia case and is formed aqueous ammonia, this part aqueous ammonia is collecting to the back of a certain amount, can directly be discharged into the aqueous ammonia clarification tank through the drain pipe that removes ammonia bottom of the case and use once more, thereby can effectively avoid the ammonia extravagant, simultaneously, air after filtering can filter through the filter once more through spraying, thereby ensure the cleanliness factor of discharge air, avoid influencing surrounding environment.

Drawings

FIG. 1 is a schematic view of the structure of a tank body and an ammonia removal tank in the present embodiment;

FIG. 2 is a schematic view showing the internal structure of the ammonia removal tank in the present embodiment;

wherein: 1. a cell body; 11. an air inlet; 12. an air outlet; 2. an ammonia removal box; 21. an exhaust pipe; 22. a drain pipe; 3. an air extracting pump; 4, a step of; an ammonia recovery assembly; 41. an atomizing nozzle; 42. a water pipe; 43. a water removal layer; 5. and (3) a filter.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Referring to fig. 1 and 2, an ammonia water clarifier includes:

the tank body 1 is mainly a rectangular metal shell of coke oven gas primary cooling equipment for separating coal tar, ammonia water and tar residues, and is also arranged in a closed state in order to avoid the volatilization and escape of the ammonia water;

the ammonia removal box 2 is arranged at the top of the tank body 1, the side wall of the ammonia removal box is provided with an air inlet pipe and is communicated with an air outlet 12 at the tail part of the tank body 1, and the ammonia removal box is mainly used for filtering and separating ammonia in the tank body 1 so as to prevent the direct discharge of the ammonia from affecting the surrounding environment;

the air pump 3 is fixedly arranged at the air outlet 12 at the tail part of the tank body 1 and is used for assisting in pumping ammonia gas in the tank body 1 and accelerating the filtering and separating efficiency;

the ammonia recovery unit 4 is installed in the ammonia removal tank 2, and mainly relies on the sprayed water mist to capture ammonia in the air, and because ammonia is very soluble in water, a large amount of ammonia can be recovered by this method to form ammonia water for reuse.

And the filter 5 is fixedly arranged in the ammonia removal box 21 at the top of the intentional ammonia removal box 2 for carrying out secondary filtration on tail gas so as to ensure that the discharged air is clean air.

Specifically, the method comprises the following steps; be equipped with the fixed bolster on removing the lateral wall of ammonia case 2, the top surface fixed connection of the bottom of this fixed bolster through bolt and cell body 1, remove the first half of ammonia case 2 and put in the top surface of fixed bolster and set up to the rectangle box, and the top surface of this rectangle box is equipped with an curved end cover, the vertical ammonia case 21 that eradicates that is provided with up in end cover top surface center department, remove the lower half of ammonia case 2 and be the back toper and be located the bottom of fixed bolster, collect recovered aqueous ammonia fast through the toper structure, and rely on the drain pipe 22 of installing in lower half bottom center department to directly discharge into cell body 1 inside, still be equipped with a water stop valve on the drain pipe 22, be used for controlling periodic discharge.

The ammonia recovery assembly 4 comprises a plurality of atomizer 41 and a raceway 42, and wherein a plurality of atomizer 41 encircle and set up on the inner wall of box and slope towards the center department of box and arrange, make its inside one deck water smoke interlayer that forms of box, after ammonia-containing tail gas gets into ammonia removal case 2, ammonia can contact with water smoke in the rising process, because ammonia is very soluble in water, and the walk area of water smoke is big, and both can combine rapidly to ammonia in the tail gas separates.

In order to collect the combination of the water mist and the ammonia gas, a dehydration layer 43 is arranged above the ammonia gas recovery component 4, the dehydration layer 43 is formed by stacking a plurality of dehydration plates, and in order to enhance the separation effect, the holes on the surfaces of two adjacent dehydration plates are arranged in a staggered manner, so that when the water mist contacts the water mist, the water mist can be rapidly captured, water drops are formed on the surface of the dehydration layer 43, and the water drops can flow out along overflow holes on the edges of the dehydration plates and are collected at the bottom of the ammonia removal box 2 along the diversion trenches near the overflow holes.

The water pipe 42 is arranged on the outer side wall of the ammonia removal box 2 in a surrounding manner, a plurality of interfaces are further arranged on one surface attached to the side wall of the ammonia removal box 2, and the water inlet end of the atomizing nozzle 41 penetrates through the side wall of the box body and is in threaded connection with the interfaces, so that water is supplied to the atomizing nozzles 41 arranged in the ammonia removal box 2.

Based on the filtering mode in the structure, the embodiment filters ammonia in air once by means of atomized water vapor after exhaust gas containing ammonia is discharged into the ammonia removal box 2, so that most of ammonia in the air is separated and recovered, and then secondary filtration is carried out through the filter 5 arranged in the ammonia removal box 21, so that the air discharged to the outside is ensured to be clean air, and therefore, the ammonia in the exhaust gas can be effectively recycled, the energy consumption is reduced, the production cost is reduced, and the exhaust gas can be purified so as to be directly discharged.

In order to further observe the effect and efficiency, a ph meter and a liquid level meter should be further arranged in the ammonia removal tank 2 to detect the concentration and the liquid level height of the recovered ammonia water, and a display is further arranged on the surface of the ammonia removal tank 2 and is electrically connected with the ph meter and the liquid level meter, so that the data measured by the ph meter and the liquid level meter are displayed in real time.

The filter 5 is filtered by adopting columnar activated carbon as a filter element, the filter element has strong adsorption capacity, can effectively remove peculiar smell in air, has relatively low cost, can be repeatedly used only by taking out the filter element and insolating the filter element in the sun in the subsequent maintenance process, and reduces the cost of later maintenance.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides an aqueous ammonia clarification tank, its characterized in that, includes inclosed cell body (1), the top of cell body (1) is equipped with one and removes ammonia case (2), the top of cell body (1) is equipped with air intake (11) and air outlet (12), wherein be equipped with aspiration pump (3) on air outlet (12), the air-out end and the ammonia case (2) intercommunication that remove of aspiration pump (3), still be equipped with ammonia recovery unit (4) and filter (5) in removing ammonia case (2), wherein ammonia recovery unit (4) fixed mounting is on the inside wall that removes ammonia case (2) and is arranged in retrieving the ammonia in cell body (1) tail gas, filter (5) detachable install in blast pipe (21) that removes ammonia case (2) top and be used for carrying out secondary filtration to the tail gas.

2. The ammonia water clarification tank according to claim 1, wherein a fixing bracket is arranged on the outer side wall of the ammonia removal tank (2) and is detachably and fixedly connected with the top of the tank body (1), the upper half part of the ammonia removal tank (2) positioned on the fixing bracket is a rectangular shell, the top of the ammonia removal tank is provided with an arc end cover, the exhaust pipe (21) is vertically arranged at the center of the arc end cover, the lower half part of the ammonia removal tank (2) positioned below the fixing bracket is an inverted cone shell, a drain pipe (22) is arranged at the center of the bottom of the ammonia removal tank, the drain pipe (22) vertically extends downwards to the inside of the tank body (1), and a water stop valve is further arranged on the drain pipe (22).

3. The ammonia water clarifier of claim 2, wherein the water stop valve is a remotely controllable electronic valve.

4. The ammonia water clarifying tank according to claim 1, wherein the ammonia recovery assembly (4) comprises a water conveying pipe (42) which is arranged on the outer side wall of the ammonia removal tank (2) in a surrounding mode, a plurality of atomizing nozzles (41) are arranged on the inner side wall of the ammonia removal tank (2) in a surrounding mode, the water inlet end of each atomizing nozzle (41) penetrates through the side wall of the ammonia removal tank (2) and is communicated with the water conveying pipe (42), a dewatering layer (43) is arranged above the atomizing nozzle (41), and a drainage groove is further formed in the inner side wall of the ammonia removal tank (2) and is arranged near an overflow port of the dewatering layer (43).

5. An aqueous ammonia clarifier according to claim 4 wherein the dewatering layer (43) is formed by a plurality of dewatering plates stacked on top of each other with holes in each two adjacent dewatering plates being staggered.

6. An aqueous ammonia clarifier according to claim 1, characterized in that the filter (5) is cylindrical and the filter element of the filter (5) is cylindrical activated carbon.

7. The ammonia water clarification tank according to claim 1, wherein a ph meter and a liquid level meter are further arranged in the ammonia removal tank (2), and the ph meter and the liquid level meter are electrically connected with a display screen arranged on the outer side wall of the ammonia removal tank (2) and display detection data.