CN212609623U - Batch treatment device for volatile wastewater - Google Patents

Abstract

The utility model discloses a batch treatment device for volatile wastewater, which comprises a tank body, a liquid level sensor, a water inlet pneumatic valve, a dosing device, a ph controller, a pressure sensor, a one-way suction valve, a paddle stirrer, a water outlet pneumatic valve and a mud discharging pneumatic valve, wherein the liquid level sensor, the water inlet pneumatic valve, the dosing device, the ph controller, the pressure sensor, the one-way suction valve, the paddle stirrer, the water outlet pneumatic valve and the mud discharging pneumatic valve are arranged on the tank body; the water inlet pneumatic valve, the dosing device, the ph controller, the pressure sensor and the one-way suction valve are arranged on the top surface of the tank body, and the water outlet pneumatic valve and the sludge discharge pneumatic valve are arranged on the side surface of the tank body. The utility model discloses an integrate, standardize, solved the problem to environment and personnel harm, optimized equipment area, investment and pleasing to the eye degree scheduling problem.

Description

Batch treatment device for volatile wastewater

Technical Field

The utility model relates to a waste water treatment field especially relates to a volatile waste water batch processing apparatus.

Background

At present, in the industrial wastewater treatment industry, a lot of wastewater with small water amount but high pollutant content exists. When a wastewater treatment facility is built, raw water needs to be properly pretreated in order to ensure the stable operation of subsequent processes, and the pretreatment method mainly comprises chemical dosing. During the course of the pretreatment reaction, large amounts of toxic and harmful volatile gases are often released due to changes in the reaction conditions, and if they are allowed to escape to the outside of the reactor, they have a great influence on the air quality of the wastewater treatment plant in which the reactor is located, and are even more inestimable to the operators working in the plant. Part of volatile gases have the characteristics of flammability and explosiveness, which also brings about serious potential safety hazard. However, if a set of waste gas treatment facilities is specially added for treating the volatile gas, the cost of manpower and material resources and the cost of subsequent operation and maintenance are all unbearable for most of small-water-volume enterprises.

Therefore, the improvement is needed on the basis, a miniaturized device is provided, the problems that the traditional process is not suitable for enterprises with small water volume and has great harm to the environment and personnel are solved, and the problems of equipment occupation, investment, attractiveness and the like are optimized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a volatile waste water batch processing apparatus, solve the unsuitable small water yield enterprise of traditional handicraft and endanger big scheduling problem to environment and personnel.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a batch processing apparatus of volatile waste water, its includes a jar body, and locates level sensor on the jar body, the pneumatic valve of intaking, charge device, one-way suction valve, paddle mixer to and go out the water pneumatic valve, the jar body has top surface and side, and jar internal portion forms the reactor, level sensor locates the top surface of the jar body for detect the liquid level in the reactor, the outside of jar body top surface is located to paddle mixer one end, and the other end passes the top surface of the jar body stretches into in the reactor.

Preferably, still include the mud pneumatic valve of row, mud pneumatic valve one end is connected with a awl fill, and the other end is connected with a mud pump, the mud pneumatic valve of row is located on the side.

Preferably, the reactor also comprises a ph controller used for detecting the ph value in the reactor, and the ph controller is arranged on the top surface.

Preferably, the paddle agitator has an agitating blade disposed within the reactor.

Preferably, the water outlet pneumatic valve is connected with a water outlet pump.

Preferably, the medicated device includes a first medicated pneumatic valve and a second medicated pneumatic valve.

Preferably, a closed manhole is also provided for installation and maintenance of the equipment.

Preferably, a pressure sensor for indicating the pressure in the reactor and alarming is also provided.

Preferably, the upper end of the tank body is cylindrical, and the lower end of the tank body is conical.

Preferably, the water outlet pneumatic valve is arranged at the cylindrical part, and the mud discharging pneumatic valve is arranged at the conical part.

The utility model has the advantages that:

1. the utility model discloses a volatile waste water batch processing apparatus realizes that the device integrates and standardizes, and degree of automation is high, and operation safety and stability has solved traditional technology and has endangered big problem to environment and personnel.

2. The utility model discloses applicable in various small-size industrial waste water and domestic sewage treatment projects, optimized occupation of land, investment and equipped pleasing to the eye scheduling problem.

Drawings

FIG. 1 is a schematic structural view of a batch treatment apparatus for volatile wastewater of the present invention.

Reference numerals: 1. the device comprises a batch processing device, 11, a tank body, 111, a reactor, 112, a top surface, 113, a side surface, 12, a liquid level sensor, 13, a water inlet pneumatic valve, 14, a paddle stirrer, 141, stirring blades, 15, a dosing device, 151, a first dosing pneumatic valve, 152, a second dosing pneumatic valve, 16, a ph controller, 17, a one-way suction valve, 18, a water outlet pneumatic valve, 181, a water outlet pipeline, 182, a water outlet pump, 19, a sludge discharge pneumatic valve, 191, a sludge discharge pipeline, 192, a cone bucket, 193, a sludge discharge pump, 20 and a pressure sensor.

Detailed Description

The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

As shown in FIG. 1, the utility model discloses a volatile waste water batch processing device 1, including jar body 11, level sensor 12, the pneumatic valve of intaking 13, paddle mixer 14, charge device 15, ph controller 16, one-way suction valve 17, play pneumatic valve 18, row's mud pneumatic valve 19 and pressure sensor 20.

The upper end of the tank body 11 is cylindrical, the lower end of the tank body is conical, a reactor 111 is arranged in the tank body 11, the tank body 11 is provided with a top surface 112 and a side surface 113, and acid, alkali and chemicals are added through the chemical adding device 15 during a reaction stage so as to be uniformly mixed with wastewater, so that batch treatment of the wastewater is realized. The shape of jar body 11 can set up according to actual conditions, is not limited to the utility model provides an upper end is cylindrical, and the lower extreme is the toper, also can wholly be cylindrical.

The liquid level sensor 12 is arranged on the top surface 112 of the tank body and used for monitoring the liquid level in the reactor 111 so as to close the water inlet pneumatic valve 13, the water outlet pneumatic valve 18 and the sludge discharge pneumatic valve 19.

The pneumatic valve 13 of intaking is located the top surface 112 of the jar body for inject waste water for reactor 111, after the liquid level value reachd level sensor 12 setting value in reactor 111, then close the pneumatic valve 13 of intaking, the end of intaking, paddle mixer 14 starts this moment, the outside of jar body top surface 113 is located to paddle mixer 14 one end, and the other end passes the top surface 113 of the jar body stretches into in reactor 111, and extends to the inside stirring leaf 141 that is equipped with of reactor 111, paddle mixer 14 is used for stirring the waste water in the reactor 111 for realize the homogeneous mixing behind the acid-base of interpolation and the chemical, thereby reach waste water discharge standard.

The dosing device 15 and the ph controller 16 are both arranged on the top surface 112 of the tank body, and the dosing device 15 comprises a first dosing pneumatic valve 151 and a second dosing pneumatic valve 152 which are respectively used for adding acid, alkali and chemicals into the reactor 111. The ph controller 16 detects the ph value of the wastewater in the reactor 111, the first dosing pneumatic valve 151 is connected with an acid-base diaphragm metering pump (not shown), and when the ph controller 16 detects that the ph value reaches a set ph value, the first dosing pneumatic valve 151 and the acid-base diaphragm metering pump are closed. The second medicating pneumatic valve 152 is connected to a chemical diaphragm metering pump (not shown), and when the medicating time is reached, the second medicating pneumatic valve 152 and the chemical diaphragm metering pump are closed. The second medicated pneumatic valve 152 can be set according to actual conditions, and no second medicated pneumatic valve 152 is needed when no chemicals need to be added. Volatile gas is generated in the dosing reaction process, but the volatile gas cannot escape out of the reactor 111 due to the design of the fully-closed reactor 111, the volatile gas can gather at the top of the reactor 111 to form a high-pressure area, and part of the volatile gas can still be dissolved in water due to the existence of the high-pressure area, so that the gas-liquid two-phase balance is maintained.

The one-way suction valve 17 is disposed on the top surface 112 of the tank body, and is used for adjusting the pressure balance inside and outside the reactor 111, and when the pressure difference inside and outside the reactor 111 reaches a set value, the one-way suction valve 17 is opened, so that the outside air enters the reactor 111, and the pressure balance inside and outside the reactor 11 is adjusted.

The water outlet pneumatic valve 18 is arranged on the side surface 113 of the tank body, one end of the water outlet pneumatic valve is connected into the reactor 111 through a water outlet pipeline 181, the other end of the water outlet pneumatic valve is connected with a water outlet pump 182, after the dosing reaction is finished, the water outlet pneumatic valve 18 and the water outlet pump 182 are opened, and waste water is discharged out of the reactor 111 through the water outlet pipeline 181. The pressure and the liquid level in the reactor 111 are reduced along with the discharge of the waste water, and when the pressure difference between the inside and the outside of the reactor 111 reaches the set value of the one-way suction valve 17, the one-way suction valve 17 is opened; when the liquid level in the reactor 111 drops to the set value of the liquid level sensor 12, the water outlet pneumatic valve 18 and the water outlet pump 182 are closed.

The sludge discharging pneumatic valve 19 is arranged on the side surface 113 of the tank body and is used for discharging sludge-water mixture in the reactor 111, one end of the sludge discharging pneumatic valve 19 is connected with a conical hopper 192 through a sludge discharging pipeline 191, the other end of the sludge discharging pneumatic valve is connected with a sludge discharging pump 193, the conical hopper 192 is arranged in the cone of the tank body 11, when sludge is required to be discharged in the reactor 111, the sludge discharging pneumatic valve 19 is opened, the sludge discharging pump 193 is started, the sludge-water mixture passes through the conical hopper 192 and is discharged out of the reactor 111 through the sludge discharging pipeline 191, the liquid level and the pressure of the reactor 111 are continuously reduced at the moment, and when the pressure difference between the inside and the outside of the reactor 111 reaches the set value of the one-way suction valve 17, the one-way suction valve 17 is opened; when the liquid level in the reactor 111 drops to the set value of the liquid level sensor 12, the sludge discharging pneumatic valve 19 and the sludge discharging pump 193 are closed. The sludge discharge pneumatic valve 19 may be provided according to actual conditions, and if no precipitation is generated in the reaction, this stage may be skipped, or the sludge discharge pneumatic valve 19 may not be provided.

The pressure sensor 20 is arranged on the top surface 112 of the tank body and used for indicating the pressure in the reactor 111 and giving an alarm, the top surface 112 of the tank body is also provided with a closed manhole (not shown) which is only used for opening when equipment needs to be installed and overhauled, and the reactor 111 is in a state that the gas cannot be exhausted outwards in other periods.

The utility model discloses a volatile waste water batch processing apparatus's work flow does:

a water inlet stage: and (3) opening the water inlet pneumatic valve 13, stopping water inlet after water inlet reaches a set liquid level, closing the water inlet pneumatic valve 13, and starting the paddle type stirrer 14.

A reaction stage: opening the first medicine-adding pneumatic valve 151, adding acid and alkali into the reactor 111 after the acid-alkali diaphragm metering pump is started, carrying out a ph test on the liquid in the reactor 111 by the ph controller 16, and closing the acid-alkali diaphragm metering pump and the first medicine-adding pneumatic valve 151 if the ph value reaches a set value; then, the second medicine adding pneumatic valve 152 is opened, chemicals are added into the reactor 111 after the chemical diaphragm metering pump is started, and when the medicine adding time is up, the chemical diaphragm metering pump and the second medicine adding pneumatic valve 152 are closed; at which time the paddle agitator 14 is stopped for a delay.

A standing stage: the reactor 111 is kept in a static state until the time is reached according to the set static time, and if the static state is not needed, the stage can be skipped.

A drainage stage: the water outlet pneumatic valve 18 and the water outlet pump 182 are opened, the waste water is discharged out of the reactor 111 through the water outlet pipe 181, and the water outlet pneumatic valve 18 and the water outlet pump 182 are closed after the liquid level in the reactor 111 drops to the set value of the liquid level sensor 12.

A sludge discharge stage: the sludge pneumatic valve 19 and the sludge pump 193 are opened, the sludge-water mixture is discharged out of the reactor 111 through the sludge discharge pipe 191, and when the liquid level in the reactor 111 drops to the set value of the liquid level sensor 12, the sludge pneumatic valve 19 and the water outlet pump 193 are closed.

An idle stage: when the front section wastewater does not meet the batch processing condition of the reactor 111, the reactor 111 is kept in an idle stage until the condition is met.

The utility model discloses an integration and standardization of device, operation safety and stability is harmless to surrounding environment and personnel, is suitable for in various small-size industrial wastewater treatment projects, has solved the unsuitable little water yield scheduling problem of traditional technology, has optimized equipment area, investment and pleasing to the eye degree scheduling problem.

The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.

Claims (10)

1. The utility model provides a batch processing apparatus of volatile waste water, its characterized in that, includes a jar body, and locates level sensor on the jar body, the pneumatic valve of intaking, charge device, one-way suction valve, paddle mixer to and go out the water pneumatic valve, the jar body has top surface and side, and jar internal portion forms the reactor, level sensor locates the top surface of the jar body for detect the liquid level in the reactor, the outside of jar body top surface is located to paddle mixer one end, and the other end passes the top surface of the jar body stretches into in the reactor.

2. The batch processing device for volatile wastewater according to claim 1, further comprising a sludge discharge pneumatic valve, wherein one end of the sludge discharge pneumatic valve is connected with a cone hopper, the other end of the sludge discharge pneumatic valve is connected with a sludge discharge pump, and the sludge discharge pneumatic valve is arranged on the side surface.

3. The batch processing apparatus of claim 1, further comprising a pH controller for detecting a pH level in the reactor, said pH controller being disposed on said top surface.

4. The batch processing apparatus of volatile wastewater according to claim 1, wherein the paddle agitator has an agitating blade disposed within the reactor.

5. The batch processing plant according to claim 1, wherein said effluent pneumatic valve is connected to an effluent pump.

6. The volatile wastewater batch processing device of claim 1, wherein said dosing device comprises a first and a second dosing pneumatic valve.

7. The batch processing plant according to claim 1, further provided with a closed manhole for installation and maintenance of equipment.

8. The batch processing apparatus of claim 1, further comprising a pressure sensor for indicating the pressure in the reactor and alarming.

9. The batch processing apparatus of claim 2, wherein the tank has a cylindrical upper end and a conical lower end.

10. The batch processing plant according to claim 9, characterized in that said effluent pneumatic valve is arranged at said cylindrical portion and said sludge pneumatic valve is arranged at said conical portion.

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