CN211078680U

CN211078680U - A recovery unit for waste solution's wet-type oxidation treatment

Info

Publication number: CN211078680U
Application number: CN201921550047.XU
Authority: CN
Inventors: 袁志文
Original assignee: Jiangsu Yaorong Environmental Technology Co ltd
Current assignee: Jiangsu Yaorong Environmental Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-07-24
Anticipated expiration: 2029-09-18

Abstract

The utility model provides a recovery unit that is used for waste solution's wet-type oxidation to handle. The recovery device for wet oxidation treatment of waste solution comprises a base plate, a reaction tank is fixedly connected to the top of the base plate through a support column, a first water outlet pipe is communicated with the bottom of the reaction tank, a water outlet valve is arranged on the first water outlet pipe, a first air outlet pipe is communicated with the top of the reaction tank, and an air outlet valve is arranged on the first air outlet pipe. The utility model provides a recovery unit for wet-type oxidation treatment of waste solution can carry out the gas that produces in the reaction sequence through the gas washing case and collect after the edulcoration, can collect pure nitrogen gas, the carbon dioxide conversion that will not have the value of utilization simultaneously is sodium carbonate, thereby can carry out multiple filtration with the water of handling the end through filter equipment and continue to utilize, thereby the waste of water resource has been reduced, can stir at the in-process of handling waste solution through transfer line and arc puddler, the speed of handling has been improved.

Description

A recovery unit for waste solution's wet-type oxidation treatment

Technical Field

The utility model relates to a water treatment facilities field especially relates to a recovery unit that is used for waste solution's wet-type oxidation to handle.

Background

Wet oxidation is a process for oxidizing organic substances in water into small molecular organic substances or inorganic substances by using gaseous oxygen (usually air) as an oxidant under conditions of high temperature (120 to 320 ℃) and high pressure (0.5 to 20MPa), and is widely used in environmental fields such as industrial wastewater treatment, sludge treatment, and recovery of useful inorganic salts.

The wet oxidation process has the obvious characteristics of wide range of treated organic matters, good effect, short reaction time, small volume of a reactor, almost no secondary pollution and capability of recovering useful substances and energy, most of the conventional wet oxidation treatment equipment has no recovery device matched with the conventional wet oxidation treatment equipment, a large amount of useful substances are directly discharged, the resource waste is caused, and the conventional recovery device cannot well remove impurities during recovery.

Therefore, it is necessary to provide a recovery apparatus for wet oxidation treatment of waste solution to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a recovery unit for waste solution's wet oxidation treatment has solved the unable useful material of retrieving of current wet oxidation treatment facility, can not carry out the problem of edulcoration during the recovery.

In order to solve the technical problems, the utility model provides a recovery unit for wet oxidation treatment of waste solution, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a reaction tank through a support column, the bottom of the reaction tank is communicated with a first water outlet pipe, a water outlet valve is arranged on the first water outlet pipe, the top of the reaction tank is communicated with a first air outlet pipe, an air outlet valve is arranged on the first air outlet pipe, the right side of the top of the bottom plate is fixedly connected with a filtering device, the filtering device comprises a filtering box, the bottom of the filtering box is fixedly connected with the right side of the top of the bottom plate, mounting grooves are arranged on both sides of the inner wall of the filtering box, the number of the mounting grooves is six, a filtering plate is clamped between two opposite sides of the mounting grooves, the top on the left side of the filtering box is communicated with a water inlet, the utility model discloses a gas washing tank, including filter tank, support column fixedly connected with washing gas case, washing gas case top, air outlet end and air compressor's inlet end intercommunication, the left side intercommunication at washing gas case top has first intake pipe, and mounting bracket fixedly connected with draught fan is passed through in the left side at washing gas case top, the air-out end of draught fan and the top intercommunication of first intake pipe, the inlet end intercommunication of pipeline and draught fan is passed through on the top of first outlet duct, the right side intercommunication at washing gas case top has the second outlet duct, the side fixedly connected with air compressor of washing gas case, the inlet end intercommunication of pipeline and air compressor is passed through on the top of second outlet duct, the right side fixedly connected with mount pad at bottom plate top, be provided with the gas collection steel bottle on the mount pad, air compressor's the inlet end intercommunication of giving vent to anger end through pipeline and gas collection steel bottle.

Preferably, the bottom intercommunication of gas washing case has the drain pipe, be provided with out the liquid valve on the drain pipe, the surface of gas washing case articulates through the hinge has the gas washing chamber door, the top intercommunication of gas washing case has the filling pipe.

Preferably, the inner wall fixedly connected with zone of heating of retort, first outlet pipe runs through the zone of heating and extends to the outside of zone of heating, mounting bracket fixedly connected with agitator motor is passed through to the bottom of retort, the bottom of retort is rotated and is connected with the transfer line, the top of transfer line runs through retort and zone of heating in proper order and extends to the outside of zone of heating, the bottom of transfer line and agitator motor's output fixed connection, the fixed surface of transfer line is connected with the arc puddler.

Preferably, the left side of the top of the reaction tank is communicated with a liquid inlet pipe, and a liquid inlet valve is arranged on the liquid inlet pipe.

Preferably, the right side of the top of the reaction tank is communicated with an air conveying pipe, and an air conveying valve is arranged on the air conveying pipe.

Preferably, the air pump is fixedly connected to the left side of the top of the bottom plate, the left side of the top of the reaction tank is communicated with a second air inlet pipe, and the top end of the second air inlet pipe is communicated with the air outlet end of the air pump through a pipeline.

Compared with the prior art, the utility model provides a recovery unit for wet oxidation treatment of waste solution has following beneficial effect:

the utility model provides a recovery unit for waste solution's wet-type oxidation treatment, can carry out the gas that produces in the reaction sequence through the gas washing case and collect after the edulcoration, can collect pure nitrogen gas, carbon dioxide conversion that will not have the value of utilization simultaneously is sodium carbonate, thereby can carry out multiple filtration with the water of handling the end through filter equipment and continue to utilize, thereby the waste of water resource has been reduced, can stir at the in-process of handling waste solution through transfer line and arc puddler, the speed of handling has been improved, and the work efficiency is increased.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a recycling apparatus for wet oxidation treatment of waste solution according to the present invention;

FIG. 2 is a schematic view of the back structure of the filter apparatus shown in FIG. 1;

FIG. 3 is a schematic surface structure of the filter apparatus shown in FIG. 1;

fig. 4 is a schematic view of the surface structure of the gas washing tank shown in fig. 1.

Reference numbers in the figures: 1. the bottom plate, 2, the retort, 3, first outlet pipe, 4, outlet valve door, 5, first outlet duct, 6, outlet valve door, 7, filter equipment, 71, the rose box, 72, the mounting groove, 73, the filter, 74, the inlet tube, 75, the second outlet pipe, 76, the rose box door, 8, the purge box, 9, first intake pipe, 10, the draught fan, 11, the second outlet duct, 12, air compressor, 13, the mount pad, 14, the gas cylinder, 15, the drain pipe, 16, the drain valve, 17, the purge box door, 18, the zone of heating, 19, agitator motor, 20, the transfer line, 21, the feed liquor pipe, 22, the feed liquor valve, 23, arc puddler, 24, the air delivery pipe, 25, the air pump, 26, the second intake pipe, 27, the interpolation pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a recycling apparatus for wet oxidation treatment of waste solution according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the back structure of the filter apparatus shown in FIG. 1; FIG. 3 is a schematic surface structure of the filter apparatus shown in FIG. 1; fig. 4 is a schematic view of the surface structure of the gas washing tank shown in fig. 1. The recovery device for the wet oxidation treatment of waste solutions comprises a bottom plate 1, characterized in that: the top of the bottom plate 1 is fixedly connected with a reaction tank 2 through a support column, the bottom of the reaction tank 2 is communicated with a first water outlet pipe 3, a water outlet valve 4 is arranged on the first water outlet pipe 3, the top of the reaction tank 2 is communicated with a first air outlet pipe 5, an air outlet valve 6 is arranged on the first air outlet pipe 5, a filtering device 7 is fixedly connected to the right side of the top of the bottom plate 1, the filtering device 7 comprises a filtering box 71, the bottom of the filtering box 71 is fixedly connected with the right side of the top of the bottom plate 1, mounting grooves 72 are formed in two sides of the inner wall of the filtering box 71, the number of the mounting grooves 72 is six, a filtering plate 73 is clamped between two opposite sides of the mounting grooves 72, the number of the filtering plates 73 is three, the materials of the filtering plate 73 are respectively a fine gauze, PP cotton and active carbon from top to bottom, and layered, the left top of the filter box 71 is communicated with a water inlet pipe 74, the water inlet pipe 74 is communicated with a first water outlet pipe 3, the bottom on the right side of the filter box 71 is communicated with a second water outlet pipe 75, the surfaces of the water inlet pipe 74, the first water outlet pipe 3 and the second water outlet pipe 75 are all provided with sealing rings to enhance the sealing performance, the surface of the filter box 71 is hinged with a filter box door 76 through hinges, the top, the bottom and the two sides of the filter box door 76 are all fixedly connected with sealing strips to prevent water from permeating and leaking from gaps, the top of the filter device 7 is fixedly connected with a gas washing box 8 through a support column, most of gas generated in wet oxidation treatment is carbon dioxide and nitrogen, the carbon dioxide has no utilization value, so the carbon dioxide in the nitrogen needs to be removed, the gas washing solution in the gas washing box 8 is sodium hydroxide solution, and the material of the gas, meanwhile, an anti-corrosion layer is arranged on the inner wall of the gas washing box 8, the left side of the top of the gas washing box 8 is communicated with a first gas inlet pipe 9, the bottom end of the first gas inlet pipe 9 extends to the bottom of the gas washing box 8, the left side of the top of the gas washing box 8 is fixedly connected with a draught fan 10 through a mounting frame, the draught fan 10 can guide gas in the reaction tank 2 to the gas washing box 8 for gas washing after reaction is finished, the draught fan 10 is connected with an external power supply, the air outlet end of the draught fan 10 is communicated with the top end of the first gas inlet pipe 9, the top end of the first gas outlet pipe 5 is communicated with the gas inlet end of the draught fan 10 through a pipeline, the right side of the top of the gas washing box 8 is communicated with a second gas outlet pipe 11, the side of the gas washing box 8 is fixedly connected with an air compressor 12, the top end of the second gas outlet pipe 11 is communicated with the gas inlet end, the gas collection steel bottle 14 is arranged on the mounting base 13, the gas outlet end of the air compressor 12 is communicated with the gas inlet end of the gas collection steel bottle 14 through a pipeline, nitrogen which is washed by the gas washing box 8 is pumped out and compressed by the air compressor 12 and then is poured into the gas collection steel bottle for collection, and the air compressor 12 is connected with an external power supply.

The bottom intercommunication of gas washing case 8 has drain pipe 15, be provided with liquid outlet valve 16 on the drain pipe 15, gas washing case 8's surface articulates through the hinge has gas washing case door 17, gas washing case 8's top intercommunication has addition pipe 27, and the inside sodium hydroxide reaction of gas washing case 8 after long-time reaction consumes and finishes, opens liquid outlet valve 16 and emits liquid, and later through adding pipe 27 to the inside new sodium hydroxide solution that adds of gas washing case 8, open gas washing case door 17 with the inside calcium carbonate clean up that forms, and calcium carbonate has the retrieval and utilization value.

Inner wall fixedly connected with zone of heating 18 of retort 2, the inside resistance wire that adopts of zone of heating 18 heats, and the resistance wire is connected with external power source, first outlet pipe 3 runs through zone of heating 18 and extends to the outside of zone of heating 18, mounting bracket fixedly connected with agitator motor 19 is passed through to the bottom of retort 2, the bottom of retort 2 is rotated and is connected with transfer line 20, the top of transfer line 20 runs through retort 2 and zone of heating 18 in proper order and extends to the outside of zone of heating 18, the bottom of transfer line 20 and agitator motor 19's output fixed connection, the fixed surface of transfer line 20 is connected with arc puddler 23.

The left side at the top of the reaction tank 2 is communicated with a liquid inlet pipe 21, and a liquid inlet valve 22 is arranged on the liquid inlet pipe 21.

The right side intercommunication at retort 2 top has air delivery pipe 24, the last air delivery valve that is provided with of air delivery pipe 24, air delivery pipe 24 lie in retort 2 inside and seted up a plurality of ventholes on the surface, can make air and solution intensive mixing for the speed of reaction.

The left side fixedly connected with air pump 25 at bottom plate 1 top, the left side intercommunication at retort 2 top has second intake pipe 26, the end intercommunication of giving vent to anger of pipeline and air pump 25 is passed through on the top of second intake pipe 26, and air pump 25 is gone into the air to retort 2 inside pump through second intake pipe 26, makes retort 2 inside formation high pressure state, reaches reaction condition, and air pump 25 is connected with external power source.

The utility model provides a recovery unit for waste solution's wet-type oxidation treatment's theory of operation as follows:

opening a liquid inlet valve 22 to add waste solution to be treated into the reaction tank 2 through a liquid inlet pipe 21, opening an air delivery valve to deliver air into the reaction tank 2 through an air delivery pipe 24, then starting operation of an air pump 25, a stirring motor 19 and a heating layer 18, treating the waste solution under the condition of high temperature and high pressure, after the treatment is finished, opening an air outlet valve 6, starting operation of an induced draft fan 10, pumping gas generated in the reaction tank 2 into a scrubbing tank 8 through a first air inlet pipe 9, scrubbing the gas in the scrubbing tank 8, reacting carbon dioxide in the gas with sodium hydroxide solution to generate sodium carbonate, pumping nitrogen in the gas without participating in the reaction, pumping the nitrogen out by an air compressor 12, compressing and filling into a gas collection steel cylinder 14 to be collected, reacting and consuming sodium hydroxide in the scrubbing tank 8 after long-time reaction, opening a liquid outlet valve 16 to discharge the liquid, and then adding new sodium hydroxide solution into the scrubbing tank 8 through an addition pipe 27, the gas washer door 17 is opened to clean calcium carbonate formed inside, the generated calcium carbonate is collected, the water outlet valve 4 is opened, liquid in the reaction tank 2 enters the inside of the filter box 71 through the first water outlet pipe 3 and the water inlet pipe 74, after being filtered by the three layers of filter plates 73, the liquid is discharged through the second water outlet pipe 75, the discharged water is collected by using a container, after being filtered for a long time, the filter plate 73 is required to be taken out by opening the filter box door 76 to be cleaned or replaced, and the filtering effect is improved.

through washing gas tank 8 can be collected after the edulcoration with the gas that produces in the reaction sequence, can collect pure nitrogen gas, carbon dioxide conversion that will not have the value of utilization simultaneously is sodium carbonate, thereby can carry out multiple filtration with the water that handles the end through filter equipment 7 and continue to utilize, thereby has reduced the waste of water resource, can stir at the in-process of handling waste solution through transfer line 20 and arc puddler 23, has improved the speed of handling, the work efficiency who increases.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A recovery device for the wet oxidation treatment of waste solutions, comprising a bottom plate (1), characterized in that: the reaction tank (2) is fixedly connected to the top of the bottom plate (1) through a support column, the bottom of the reaction tank (2) is communicated with a first water outlet pipe (3), a water outlet valve (4) is arranged on the first water outlet pipe (3), the top of the reaction tank (2) is communicated with a first air outlet pipe (5), an air outlet valve (6) is arranged on the first air outlet pipe (5), a filtering device (7) is fixedly connected to the right side of the top of the bottom plate (1), the filtering device (7) comprises a filtering box (71), the bottom of the filtering box (71) is fixedly connected to the right side of the top of the bottom plate (1), mounting grooves (72) are formed in both sides of the inner wall of the filtering box (71), the number of the mounting grooves (72) is six, a filtering plate (73) is clamped between two opposite sides of the mounting grooves (72), and a water inlet pipe (74) is communicated with the top of the, the bottom on the right side of the filter box (71) is communicated with a second water outlet pipe (75), the surface of the filter box (71) is hinged with a filter box door (76) through a hinge, the top of the filter device (7) is fixedly connected with a washing box (8) through a support column, the left side of the top of the washing box (8) is communicated with a first air inlet pipe (9), the left side of the top of the washing box (8) is fixedly connected with a draught fan (10) through a mounting frame, the air outlet end of the draught fan (10) is communicated with the top end of the first air inlet pipe (9), the top end of the first air outlet pipe (5) is communicated with the air inlet end of the draught fan (10) through a pipeline, the right side of the top of the washing box (8) is communicated with a second air outlet pipe (11), the side of the washing box (8) is fixedly connected with an air compressor (12), the top end of the second air outlet pipe (, the right side fixedly connected with mount pad (13) at bottom plate (1) top, be provided with gas collection steel bottle (14) on mount pad (13), the end of giving vent to anger of air compressor (12) is through the inlet end intercommunication of pipeline with gas collection steel bottle (14).

2. The recycling device for the wet oxidation treatment of waste solution according to claim 1, characterized in that the bottom of the gas washing tank (8) is communicated with a liquid outlet pipe (15), the liquid outlet pipe (15) is provided with a liquid outlet valve (16), the surface of the gas washing tank (8) is hinged with a gas washing tank door (17) through a hinge, and the top of the gas washing tank (8) is communicated with an adding pipe (27).

3. The recycling device for wet oxidation treatment of waste solution according to claim 1, characterized in that the inner wall of the reaction tank (2) is fixedly connected with a heating layer (18), the first water outlet pipe (3) penetrates the heating layer (18) and extends to the outside of the heating layer (18), the bottom of the reaction tank (2) is fixedly connected with a stirring motor (19) through a mounting frame, the bottom of the reaction tank (2) is rotatably connected with a transmission rod (20), the top end of the transmission rod (20) sequentially penetrates the reaction tank (2) and the heating layer (18) and extends to the outside of the heating layer (18), the bottom end of the transmission rod (20) is fixedly connected with the output end of the stirring motor (19), and the surface of the transmission rod (20) is fixedly connected with an arc-shaped stirring rod (23).

4. A recovery unit for the wet oxidation treatment of waste solutions according to claim 1, characterized in that the left side of the top of the reaction tank (2) is connected with a liquid inlet pipe (21), and a liquid inlet valve (22) is arranged on the liquid inlet pipe (21).

5. A recovery unit for the wet oxidation treatment of waste solutions according to claim 1, characterized in that the right side of the top of the reaction tank (2) is communicated with an air delivery pipe (24), and the air delivery pipe (24) is provided with an air delivery valve.

6. The recycling device for the wet oxidation treatment of waste solution according to claim 1, wherein an air pump (25) is fixedly connected to the left side of the top of the bottom plate (1), a second air inlet pipe (26) is communicated with the left side of the top of the reaction tank (2), and the top end of the second air inlet pipe (26) is communicated with the air outlet end of the air pump (25) through a pipeline.