CN219441231U

CN219441231U - Waste gas purification spray tower for pulping and papermaking sewage treatment

Info

Publication number: CN219441231U
Application number: CN202320227705.1U
Authority: CN
Inventors: ***; 陈满
Original assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Current assignee: Jiangsu Lee and Man Paper Manufacturing Co Ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-08-01
Anticipated expiration: 2033-02-16

Abstract

The utility model relates to the technical field of waste gas purification treatment, in particular to a waste gas purification spray tower for pulping and papermaking sewage treatment. The technical proposal comprises: the device comprises a tower body, a reagent box and a base, wherein the tower body is fixedly arranged at the top of the base, one side of the tower body is fixedly connected with a circulating water tank, a PH value detector is fixedly arranged at the top of the circulating water tank, and the reagent box is fixedly arranged at the top of the base at one side of the circulating water tank. According to the utility model, through the mutual matching of the packing box, the medicament box, the PH value detector and the spiral spray head, the packing box is in a two-layer design, the spiral spray head can enlarge the contact area of gas, liquid and solid phases, so that the chemical medicament can be fully contacted with acidic substances in waste gas for neutralization, decomposition and purification, and through the mutual matching of the clear water box, the spray head and the second electromagnetic valve, water molecules with high specific surface area sprayed by the spray head are fully contacted with ammonia gas, and the ammonia gas can be efficiently removed.

Description

Waste gas purification spray tower for pulping and papermaking sewage treatment

Technical Field

The utility model relates to the technical field of waste gas treatment, in particular to a waste gas purifying spray tower for pulping and papermaking sewage treatment.

Background

The utility model provides an exhaust gas purification spray column is a kind of equipment that is used for carrying out purification treatment to waste gas, can divide into glass steel spray column, pp spray column, several kinds of stainless steel spray column according to the tower body material difference, can produce a large amount of sewage in the in-process of pulping papermaking, can produce a large amount of harmful gas when handling sewage, the random emission can cause the pollution to the air environment around, so need use to exhaust gas purification spray column to purify harmful gas, wherein "a dust removal exhaust gas purification spray column" that application number is "CN218395161U" disclosed, it has solved current dust removal exhaust gas purification spray column owing to lack corresponding quick clean mechanism, can not play multiple drawback of quick clean to dust removal exhaust gas purification spray column, further search and discover, the application number is "CN215413262U" disclosed "an exhaust gas purification spray column of high-efficient cooling", it has really solved in the direct introduction tower of high temperature waste gas, can lead to spray room when carrying out spray work to high temperature waste gas and consume, and consume like the long time, but have the technical defect like that the spray column still exists when the actual structure is used like: the ordinary shower head is adopted in most spray towers generally, spray effect is not good, lead to unable chemical agent and the acid material in the waste gas abundant contact, thereby unable effectual decomposition and purification effect of playing to the waste gas, after chemical agent cyclic utilization a period, the concentration of medicament can reduce to some extent, can reduce the neutralization effect to the acid material in the waste gas, atomizer spun hydrone surface area is less generally, unable and the ammonia in the waste gas abundant contact, thereby unable effective ammonia of getting rid of, so the waste gas purification shower tower that needs to design a pulping papermaking sewage treatment usefulness.

Disclosure of Invention

The utility model aims to provide an exhaust gas purification spray tower for pulping and papermaking sewage treatment, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exhaust purification spray column that pulping papermaking sewage treatment used, includes tower body, medicament case and base, the top fixed mounting of base has the tower body, one side fixedly connected with circulation water tank of tower body, the top fixed mounting of circulation water tank has the PH value detector, the base top fixed mounting of circulation water tank one side has the medicament case, the top fixed mounting of the inboard circulation water tank of PH value detector has first water pump, the packing box has been placed to the inside of tower body, the top movable mounting of tower body has the tower lid, the inside fixedly connected with air discharge fan of tower lid, the base top fixed mounting of tower body opposite side has the clean water tank, the top fixedly connected with second water pump of clean water tank, the top intercommunication of second water pump has the second conveying hose that extends to the tower body inside.

The chemical agent in the first water pump pumping circulation water tank is conveyed to the spiral spray head to spray, acidic substances in waste gas are surrounded by the chemical agent molecular film and are neutralized, decomposed and purified, the PH value detector is utilized to detect the concentration of alkaline substances in the chemical agent, when the concentration of the alkaline substances is low, the alkaline agents in the chemical agent tank can be conveyed to the circulation water tank to be mixed with the chemical agent, the alkaline substances in the chemical agent can be kept at proper concentration, waste gas generated during pulping and papermaking sewage treatment can be effectively purified, clear water in the second water pump pumping clear water in the clear water tank is conveyed to the spray head to spray, ammonia in the waste gas can be fully contacted with water molecules with high specific surface area, and ammonia in the waste gas generated during pulping and papermaking sewage treatment can be effectively removed.

Preferably, one side of the tower body is communicated with an air inlet pipe, and the front end of the tower body is provided with an observation window. Utilize the intake pipe can conveniently lead into the tower with waste gas in, can conveniently observe the operating condition in the tower through the observation window, can clearly observe waste gas purification treatment process.

Preferably, the circulating water tank is communicated with the medicament box through a conveying pipe, a first electromagnetic valve is fixedly arranged on the periphery of the conveying pipe, and the front end of the medicament box is fixedly connected with a controller. The first electromagnetic valve can be used for controlling the opening and closing operation of the conveying pipe, and the controller can be used for conveniently controlling the first electromagnetic valve to open and close.

Preferably, the top of the first water pump is communicated with a first conveying hose extending into the tower body, and the bottom of the first conveying hose is fixedly connected with a spiral spray head corresponding to the packing box. The chemical agent can be conveyed to the spiral spray head through the first conveying hose to be sprayed, the spraying range of the chemical agent can be enlarged through the spiral spray head, the contact area of the gas, liquid and solid phases can be enlarged, and the chemical agent can be fully contacted with acidic substances in waste gas.

Preferably, an active carbon plate is fixedly arranged in a tower cover at the top of the exhaust fan, and exhaust holes are formed in the periphery of the tower cover. The active carbon plate is utilized to further filter and adsorb the waste gas when the waste gas is discharged, and the waste gas after the purification treatment can be conveniently discharged through the exhaust hole.

Preferably, the bottom of the second conveying hose is fixedly connected with a spray head, and the periphery of the second conveying hose is fixedly provided with a second electromagnetic valve. The water molecules with high specific surface area can be sprayed out by the spray head, and the water spraying pressure of the spray head can be controlled by the second electromagnetic valve.

Compared with the prior art, the utility model has the beneficial effects that:

through being provided with the packing box, the medicament case, the mutual cooperation between PH value detector and the spiral shower nozzle, the packing box is two-layer design, utilize the spiral shower nozzle can increase the scope of spraying of chemical agent, can increase the area of contact of gas-liquid-solid three phase, make the chemical agent can fully contact with the acidic material in the waste gas, make the acidic material in the waste gas surrounded by the medicament molecular membrane and obtain neutralization decomposition and purification, utilize PH value detector to detect alkaline substance concentration in the chemical agent, when alkaline substance concentration is lower, open through controller control first solenoid valve, can make alkaline agent in the medicament case carry in the circulation tank and chemical agent mix, can make alkaline substance in the chemical agent keep at suitable concentration, thereby waste gas that produces when can be comparatively effective to pulping papermaking sewage treatment purifies.

Through being provided with the mutual cooperation between clean water tank, atomising head and the second solenoid valve, carry to the atomising head in through the clear water of second water pump extraction clean water tank and spout, can control the water spray pressure of atomising head through the second solenoid valve, can utilize the atomising head to spout the hydrone that has high specific surface area, can make the ammonia in the waste gas fully contact with the hydrone that has high specific surface area, ammonia in the waste gas that produces when pulping papermaking sewage treatment can be got rid of to the high efficiency.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a tower cover according to the present utility model;

fig. 4 is a schematic view of a partial structure of the packing box of the present utility model.

In the figure: 1. a tower body; 101. an air inlet pipe; 102. a circulation water tank; 2. a PH value detector; 3. a medicament box; 301. a controller; 302. a delivery tube; 303. a first electromagnetic valve; 4. a first water pump; 401. a first delivery hose; 402. a spiral spray head; 5. a stuffing box; 6. a tower cover; 601. an exhaust fan; 602. an activated carbon plate; 603. an exhaust hole; 7. a clean water tank; 8. a second water pump; 801. a second delivery hose; 802. a spray head; 803. a second electromagnetic valve; 9. an observation window; 10. and (5) a base.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, 2, 3 and 4, the exhaust gas purifying spray tower for pulping and papermaking sewage treatment provided by the utility model comprises a tower body 1, a reagent box 3 and a base 10, wherein the top of the base 10 is fixedly provided with the tower body 1, one side of the tower body 1 is fixedly connected with a circulating water tank 102, the top of the circulating water tank 102 is fixedly provided with a PH value detector 2, the top of the base 10 at one side of the circulating water tank 102 is fixedly provided with the reagent box 3, and the top of the circulating water tank 102 at the inner side of the PH value detector 2 is fixedly provided with a first water pump 4;

the packing box 5 is arranged in the tower body 1, the tower cover 6 is movably arranged at the top of the tower body 1, the exhaust fan 601 is fixedly connected in the tower cover 6, the clear water tank 7 is fixedly arranged at the top of the base 10 at the other side of the tower body 1, the second water pump 8 is fixedly connected at the top of the clear water tank 7, and the second conveying hose 801 extending to the inside of the tower body 1 is communicated at the top of the second water pump 8;

the circulating water tank 102 is communicated with the medicine box 3 through a conveying pipe 302, a first electromagnetic valve 303 is fixedly arranged on the periphery of the conveying pipe 302, a controller 301 is fixedly connected to the front end of the medicine box 3, a first conveying hose 401 extending into the tower body 1 is communicated with the top of the first water pump 4, a spiral spray head 402 corresponding to the packing box 5 is fixedly connected to the bottom of the first conveying hose 401, a spray head 802 is fixedly connected to the bottom of the second conveying hose 801, and a second electromagnetic valve 803 is fixedly arranged on the periphery of the second conveying hose 801.

The working principle of the waste gas purifying spray tower for treating pulping and papermaking sewage based on the embodiment 1 is as follows: waste gas generated during pulping and papermaking sewage treatment is led into the tower body 1, and can be upwards adsorbed by the exhaust fan 601, so that the waste gas is conveniently purified;

the filler in the filler box 5 can be contacted when the waste gas upwards flows, meanwhile, the chemical agent in the circulating water tank 102 can be extracted by starting the first water pump 4, the chemical agent can be conveyed to the spiral spray head 402 for spraying through the first conveying hose 401, the spraying range of the chemical agent can be enlarged by utilizing the spiral spray head 402, the contact area of gas, liquid and solid phases can be enlarged, the chemical agent can be fully contacted with acidic substances in the waste gas, and the acidic substances in the waste gas are surrounded by the chemical agent molecular film and are neutralized, decomposed and purified;

the PH value detector 2 is used for detecting the concentration of alkaline substances in the chemical agent, when the concentration of the alkaline substances is low, the controller 301 controls the first electromagnetic valve 303 to be opened, so that the alkaline agent in the agent box 3 can be conveyed into the circulating water tank 102 through the conveying pipe 302 to be mixed with the chemical agent, the alkaline substances in the chemical agent can be kept at proper concentration, and waste gas generated in pulping and papermaking sewage treatment can be effectively purified;

clear water in the clear water tank 7 is pumped by the second water pump 8 and is conveyed into the spray head 802 through the second conveying hose 801 to be sprayed out, the water spraying pressure of the spray head 802 can be controlled through the second electromagnetic valve 803, water molecules with high specific surface area can be sprayed out by the spray head 802, ammonia in waste gas can be fully contacted with the water molecules with high specific surface area, ammonia in waste gas generated during pulping and papermaking sewage treatment can be efficiently removed, and maintenance operation can be conveniently carried out inside the tower body 1 by opening the tower cover 6.

Example two

As shown in fig. 2 and 3, the exhaust gas purifying spray tower for treating sewage in pulping and papermaking according to the present utility model further includes, compared with the first embodiment: one side of the tower body 1 is communicated with an air inlet pipe 101, the front end of the tower body 1 is provided with an observation window 9, an activated carbon plate 602 is fixedly arranged in a tower cover 6 at the top of an exhaust fan 601, and the periphery of the tower cover 6 is provided with an exhaust hole 603.

In this embodiment, as shown in fig. 2, exhaust gas can be conveniently led into the tower body 1 by using the air inlet pipe 101, and the working state in the tower body 1 can be conveniently observed through the observation window 9, so that the exhaust gas purifying treatment process can be clearly observed; as shown in fig. 3, the exhaust gas can be further filtered and adsorbed by the activated carbon plate 602 when the exhaust gas is discharged, and the purified exhaust gas can be conveniently discharged through the exhaust hole 603.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides an exhaust purification spray column that pulping papermaking sewage treatment used, includes tower body (1), medicament case (3) and base (10), its characterized in that: the utility model discloses a tower body, including base (10), tower body (1), one side fixedly connected with circulation water tank (102) of tower body (1), the top fixed mounting of circulation water tank (102) has PH value detector (2), the top fixed mounting of base (10) of circulation water tank (102) one side has medicament case (3), the top fixed mounting of the inboard circulation water tank (102) of PH value detector (2) has first water pump (4), packing box (5) have been placed to the inside of tower body (1), the top movable mounting of tower body (1) has tower lid (6), the inside fixedly connected with air discharge fan (601) of tower lid (6), the top fixed mounting of base (10) of tower body (1) opposite side has clean water tank (7), the top fixedly connected with second water pump (8) of clean water tank (7), the top intercommunication of second water pump (8) has second conveying hose (801) that extend to the inside of tower body (1).

2. An exhaust gas purifying spray tower for treating sewage from pulping and papermaking according to claim 1, wherein: one side of the tower body (1) is communicated with an air inlet pipe (101), and the front end of the tower body (1) is provided with an observation window (9).

3. An exhaust gas purifying spray tower for treating sewage from pulping and papermaking according to claim 1, wherein: the circulating water tank (102) is communicated with the medicament box (3) through a conveying pipe (302), a first electromagnetic valve (303) is fixedly arranged on the periphery of the conveying pipe (302), and the front end of the medicament box (3) is fixedly connected with a controller (301).

4. An exhaust gas purifying spray tower for treating sewage from pulping and papermaking according to claim 1, wherein: the top of the first water pump (4) is communicated with a first conveying hose (401) extending into the tower body (1), and the bottom of the first conveying hose (401) is fixedly connected with a spiral spray head (402) corresponding to the packing box (5).

5. An exhaust gas purifying spray tower for treating sewage from pulping and papermaking according to claim 1, wherein: an active carbon plate (602) is fixedly arranged in a tower cover (6) at the top of the exhaust fan (601), and an exhaust hole (603) is formed in the periphery of the tower cover (6).

6. An exhaust gas purifying spray tower for treating sewage from pulping and papermaking according to claim 1, wherein: the bottom of the second conveying hose (801) is fixedly connected with a spray head (802), and a second electromagnetic valve (803) is fixedly arranged on the periphery of the second conveying hose (801).