CN211562425U

CN211562425U - Leaching tower

Info

Publication number: CN211562425U
Application number: CN201922326449.8U
Authority: CN
Inventors: 包明明; 袁中华; 游书华; 彭中; 殷万朋
Original assignee: Inner Mongolia Tongwei Gaochun Crystal Silicon Co ltd
Current assignee: Inner Mongolia Tongwei Gaochun Crystal Silicon Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-25
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a drip washing tower, including having air inlet (2), the gas outlet, tower body (3) of hydrojet mouth and liquid outlet (9), and circulating pump (8) that water inlet and liquid outlet (9) are connected, the delivery port of circulating pump (8) is connected with hydrojet mouth and outside public assistance, the lower part of tower body (3) still be provided with inlet (1) of being connected from acid waste water outside the country, air inlet (2) and liquid outlet (9) set up in the lower part of tower body (3), the gas outlet sets up in the upper portion of tower body (3) with hydrojet mouth, hydrojet mouth department connects umbelliform shower nozzle (5). Use the embodiment of the utility model provides a technical scheme, liquid jet department connects umbelliform shower nozzle (5), and the edge blowout of acid water follow umbelliform shower nozzle (5) compares in original spiral shower nozzle, and the opening of umbelliform shower nozzle (5) is bigger, not only avoids blockking up, but also reducible circulating pump (8) pressure, flow, also can form the water film when low flow low pressure, reach the abundant effect of hydrolysising.

Description

Leaching tower

Technical Field

The utility model relates to a tail gas washing technical field especially relates to a drip washing tower.

Background

The tail gas that comes from the hydrolysis tank enters into the tower from drip washing tower lower part in, tail gas rises in and further carries out hydrolysis with the contact of acid water, in order to guarantee the acid water washing effect, the acid water steps up to 0.35MPa back through the circulating pump, partly outward sends to public assistance, another part is by the middle part, two sections heliciform shower nozzles in lower part spout in the tower, the acid water sends into the circulation for the external world and recycles waste water, consequently, contain silica and tiny particle impurity in the acid water, stopper shower nozzle frequently, make tail gas and acid water can not complete contact hydrolysis, tail gas washing effect is not good, tail gas can not complete neutralization and washing, cause that tail gas blow-down pipe smoking and tail gas are not up to standard.

In summary, how to effectively solve the problems of poor tail gas washing effect and the like is a problem which needs to be solved urgently by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drip washing tower, this drip washing tower has solved shower nozzle jam problem effectively, has guaranteed the tail gas washing effect.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a drip washing tower, including the tower body that has air inlet, gas outlet, hydrojet mouth and liquid outlet, and the water inlet with the circulating pump that the liquid outlet is connected, the delivery port of circulating pump with the hydrojet mouth with outside public assistance is all connected, the lower part of tower body still be provided with from the inlet that outer acid waste water is connected, the air inlet with the liquid outlet set up in the lower part of tower body, the gas outlet with the hydrojet mouth set up in the upper portion of tower body, hydrojet mouth department connects umbelliform shower nozzle.

Preferably, the number of the liquid ejecting ports is multiple, and the heights of the liquid ejecting ports are different.

Preferably, the middle part of the tower body is provided with a sieve plate with a through hole, and the sieve plate is positioned below the umbrella-shaped spray head.

Preferably, the cross section of the through hole in the middle of the sieve plate is larger than that of the through hole at the edge.

Preferably, the sieve plate has an open porosity of greater than 30%.

Preferably, be fixed with the support frame on the inner wall of tower body, the sieve install in on the support frame, the sieve sets up along the horizontal direction.

Preferably, the gas outlet pipe of the gas outlet extends to the position below the liquid level of the liquid seal tank.

Preferably, an overflow port is arranged on the liquid seal tank, and the overflow port is communicated with the tower body.

The utility model provides a leaching tower, including tower body and circulating pump, seted up air inlet, gas outlet, hydrojet mouth and liquid outlet on the tower wall of tower body, air inlet and liquid outlet set up in the lower part of tower body, and gas outlet and hydrojet mouth set up in the upper portion of tower body, and the air inlet with from hydrolysis tank tail gas connection, the tail gas that has washed is discharged from the gas outlet, and the hydrojet mouth is connected with the acid water, and the acid water is discharged from the liquid outlet after the washing. After the acid water is boosted to the set pressure through the circulating pump, for example, after the pressure is boosted to 0.35MPa, a part of acid water is externally sent to the outside public and auxiliary equipment, the other part of acid water is sprayed into the tower through the liquid spraying opening, and the acid water is sent into the circulating and recycling wastewater for the outside. The lower part of the tower body is also provided with a liquid inlet connected with the acidic wastewater from outside to ensure the concentration of the acid water, the acid water in the tower is continuously supplemented, and a part of the acid water is continuously sent out by a circulating pump to maintain the required concentration of the acid water and the hydrolysis effect.

Use the embodiment of the utility model provides a technical scheme, liquid jet department connects umbelliform shower nozzle, and the edge blowout of acid water follow umbelliform shower nozzle compares in original spiral shower nozzle, and the opening of umbelliform shower nozzle is bigger, not only avoids blockking up, still can reduce circulating pump pressure, flow, also can form the water film when low flow low pressure, reaches the abundant effect of hydrolysising.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a leaching tower according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the screen deck of fig. 1;

fig. 3 is a schematic structural view of the umbrella-shaped spray head in fig. 1.

The drawings are numbered as follows:

1-liquid inlet, 2-air inlet, 3-tower, 4-sieve plate, 5-umbrella-shaped spray head, 6-liquid seal tank, 7-overflow port, 8-circulating pump and 9-liquid outlet.

Detailed Description

The core of the utility model is to provide a drip washing tower, this drip washing tower has solved shower nozzle jam problem effectively, has guaranteed the tail gas washing effect.

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 to 3, fig. 1 is a schematic structural diagram of a leaching tower according to an embodiment of the present invention; fig. 2 is a schematic structural view of the screen deck of fig. 1; fig. 3 is a schematic structural view of the umbrella-shaped spray head in fig. 1.

In a specific embodiment, the utility model provides a drip washing tower, including the tower body 3 that has air inlet 2, gas outlet, hydrojet mouth and liquid outlet 9 to and the circulating pump 8 that water inlet and liquid outlet 9 are connected, circulating pump 8's delivery port and hydrojet mouth and outside public assistance are all connected, the lower part of tower body 3 still be provided with from the inlet 1 that is connected of outer acid waste water, air inlet 2 and liquid outlet 9 set up in the lower part of tower body 3, gas outlet and hydrojet mouth set up in the upper portion of tower body 3, and hydrojet mouth department connects umbelliform shower nozzle 5.

In the structure, the leaching tower comprises a tower body 3 and a circulating pump 8, an air inlet 2, an air outlet, a liquid spraying port and a liquid outlet 9 are formed in the tower wall of the tower body 3, the air inlet 2 and the liquid outlet 9 are arranged on the lower portion of the tower body 3, the air outlet and the liquid spraying port are arranged on the upper portion of the tower body 3, the air inlet 2 is connected with the tail gas of the self-hydrolysis tank, the washed tail gas is discharged from the air outlet, the liquid spraying port is connected with acid water, and the acid water is discharged from the liquid outlet 9 after washing.

Above-mentioned circulating pump 8's water inlet and liquid outlet 9 are connected, and circulating pump 8's delivery port and hydrojet mouth and outside public assistance are all connected, refer to, and the acid water steps up to the set pressure after through circulating pump 8, for example step up to 0.35MPa after, and partly acid water is delivered to outside public assistance outward, and another part acid water passes through the hydrojet mouth and spouts the tower in, and the acid water sends into circulation reuse waste water for the external world.

The lower part of the tower body 3 is also provided with a liquid inlet 1 connected with the acidic wastewater from outside to ensure the concentration of the acid water, the acid water in the tower is continuously supplemented, and a circulating pump 8 continuously delivers a part of the acid water to maintain the required concentration of the acid water and the hydrolysis effect.

Use the embodiment of the utility model provides a technical scheme, liquid jet department connects umbelliform shower nozzle 5, and the edge blowout of umbelliform shower nozzle 5 is followed to the acid water, compares in original spiral shower nozzle, and umbelliform shower nozzle 5's opening is bigger, not only avoids blockking up, still can reduce 8 pressures of circulating pump, flow, also can form the water film when low flow low pressure, reaches the abundant effect of hydrolysising.

On the basis of the above-mentioned embodiment, the quantity of hydrojet mouth is a plurality ofly, for example the quantity of hydrojet mouth is two, and the height difference of a plurality of hydrojet mouths, position are different, guarantee that the sour water yield is great, can contact further hydrolysis with tail gas better, guarantee the acid water washing effect.

On the basis of the above-mentioned embodiment, technical personnel in the field can carry out a plurality of changes to the leaching tower according to the difference of specific occasion, and tower body 3 middle part is provided with has sieve 4, has a plurality of through-holes on the sieve 4, and sieve 4 is located the below of umbelliform shower nozzle 5, and the acid water volume is great, and the through-hole is too late in time discharge acid water, has a large amount of acid water to collect and form the water film on sieve 4. The tail gas rises and needs to break a water film, the gas-liquid contact area and time are increased, the tail gas is fully neutralized and washed, and the washing effect is greatly improved.

Further optimize above-mentioned technical scheme, technical personnel in the field can carry out a plurality of changes to above-mentioned embodiment according to the difference of specific occasion, the through-hole cross-section of sieve 4 middle department is greater than the through-hole cross-section of limit department, for example open 4 × 2.5cm rectangular hole in the middle part of sieve 4, the peripheral diameter 2cm round hole of opening, the sour water of umbelliform shower nozzle 5 is spout from the edge, spout to the tower wall on, the sour water of sieve 4 department flows from limit to the middle part, can in time make bold granule discharge from middle part macropore, prevent the scale deposit after sieve 4 long-term use.

Furthermore, the aperture ratio of the sieve plate 4 is more than 30%, particles are not easy to block the sieve plate 4 after the aperture ratio is increased, scaling is not easy to occur on the sieve plate 4, frequent cleaning is not needed, and the continuous operation of the system is ensured; meanwhile, the gas-liquid contact area is increased, and the washing effect is ensured. Of course, after a long time, the sieve plate 4 can be cleaned, and the through hole of the sieve plate 4 is ensured to be smooth.

The sieve plate 4 is a corrosion-resistant plate, preferably, the sieve plate 4 is a glass fiber reinforced plastic sieve plate 4, and is corrosion-resistant, not easy to scale and long in service life.

In another more reliable embodiment, on the basis of any one of the above embodiments, the inner wall of the tower body 3 is fixed with a support frame, for example, four reinforcing ribs shaped like a Chinese character 'jing' are arranged at the bottom of the sieve plate 4, so that the firmness of the sieve plate 4 is improved, the sieve plate 4 is arranged on the support frame, and the support frame can be specifically connected with the support frame through a corrosion-resistant bolt, so that the connection is convenient, the disassembly is easy, and the cleaning and the replacement are convenient. The sieve plate 4 is arranged along the horizontal direction, so that a water film formed on the sieve plate 4 is ensured to be uniform, and the sieve plate can be fully contacted with tail gas in any position and direction, and the washing effect is ensured.

The utility model provides a drip washing tower, under the unchangeable condition of other parts, still include the liquid seal jar 6 of being connected with the gas outlet, the outlet duct of gas outlet gos deep into below the liquid level of liquid seal jar 6, carries out the liquid seal to exhaust tail gas, guarantees to be the malleation in the tower body 3.

To the drip washing tower in each embodiment, be provided with overflow mouth 7 on the liquid seal jar 6, overflow mouth 7 and tower body 3 intercommunication, when liquid impurity in the liquid seal jar 6 is more, open overflow mouth 7, discharge the liquid in the liquid seal jar 6 in the tower body 3, wash liquid seal jar 6, later add clean liquid in liquid seal jar 6, guarantee liquid seal jar 6's normal use.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The leaching tower provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a drip washing tower, its characterized in that, including tower body (3) that has air inlet (2), gas outlet, hydrojet mouth and liquid outlet (9), and the water inlet with circulating pump (8) that liquid outlet (9) are connected, the delivery port of circulating pump (8) with hydrojet mouth and outside public assistance are all connected, the lower part of tower body (3) still be provided with inlet (1) of being connected from the acid waste water outside, air inlet (2) with liquid outlet (9) set up in the lower part of tower body (3), the gas outlet with the hydrojet mouth set up in the upper portion of tower body (3), hydrojet mouth department connects umbelliform shower nozzle (5).

2. The elution column as claimed in claim 1, wherein the number of said liquid jet openings is plural, and the heights of said plural liquid jet openings are different.

3. The elution column according to claim 1, wherein the middle part of the tower body (3) is provided with a sieve plate (4) with through holes, and the sieve plate (4) is positioned below the umbrella-shaped spray head (5).

4. The elution column according to claim 3, wherein the cross section of the through-hole in the middle of the sieve plate (4) is larger than the cross section of the through-hole at the sides.

5. The elution column according to claim 3, wherein the sieve tray (4) has an open porosity of more than 30%.

6. The elution column as claimed in claim 3, wherein a support frame is fixed to the inner wall of the column body (3), the sieve plate (4) is mounted on the support frame, and the sieve plate (4) is arranged in a horizontal direction.

7. The elution column according to claim 1, further comprising a liquid seal tank (6) connected to the gas outlet, wherein the gas outlet of the gas outlet extends to a position below the liquid level of the liquid seal tank (6).

8. The elution column according to claim 7, wherein the liquid-tight tank (6) is provided with an overflow port (7), and the overflow port (7) is communicated with the column body (3).