CN211169954U

CN211169954U - Cylindrical microwave catalytic COD removing device

Info

Publication number: CN211169954U
Application number: CN201922038420.XU
Authority: CN
Inventors: 胡锋; 林森明; 周连庆; 张晓彩; 程小梅
Original assignee: Xinjiang Petroleum Administration Co ltd; China National Petroleum Corp
Current assignee: Xinjiang Petroleum Administration Co ltd; China National Petroleum Corp
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-04
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to a microwave treatment sewage technical field is a drum formula microwave catalysis removes COD device, which comprises an outer shell, vertical inner tube and water-cooling oil tank, be equipped with cylindrical well cavity in the shell body, the coaxial inner tube that is provided with in the cavity, inner tube top and well cavity roof sealing connection, inner tube bottom sealing connection have the infrabasal plate or with well cavity diapire sealing connection, form annular reaction chamber between inner tube lateral wall and the well cavity lateral wall, the reaction chamber is equipped with the filler, be equipped with a plurality of guided wave mouth on the well cavity roof that corresponds inner tube inner chamber position, the shell body outside that corresponds every guided wave mouth position is equipped with microwave generator respectively. The utility model has the advantages of reasonable and compact structure, convenient to use, it has increased the area of contact of microwave radiation and catalyst to strengthened the treatment effect to sewage, pollutant in the ability high efficiency degradation sewage reduces sewage COD content, and COD's the effect of getting rid of is showing in the treatment of sewage discharge to reach standard.

Description

Cylindrical microwave catalytic COD removing device

Technical Field

The utility model relates to a microwave sewage treatment device technical field, in particular to a cylindrical microwave catalytic COD removal device.

Background

With the increasingly strict environmental requirements, the demand for reducing the amount of chemicals and the amount of sludge generated in the field of sewage treatment is increasingly political, the microwave catalysis method is to utilize microwave to induce the catalyst loaded on modified activated carbon to crack pollutants and induce the degradation of organic wastewater, microwave radiation is used as a new water treatment technology and has the advantages of high treatment efficiency and less secondary pollution, and the patent document with the application number of 201720011956.0 discloses a box-type microwave catalysis COD removal device, but the contact area between the microwave radiation and the catalyst in a reaction tube in the device is small, so that the sewage treatment effect is poor.

Disclosure of Invention

The utility model provides a drum formula microwave catalysis removes COD device has overcome above-mentioned prior art not enough, and it can effectively solve current microwave catalytic treatment sewage device and have the poor problem of treatment effect.

The technical scheme of the utility model is realized through following measure: a cylindrical microwave catalytic COD removing device comprises an outer shell, a vertical inner cylinder and a water-cooled oil tank, wherein a cylindrical hollow cavity is arranged in the outer shell, the inner cylinder is coaxially arranged in the hollow cavity, the top end of the inner cylinder is in sealing connection with the top wall of the hollow cavity, the bottom end of the inner cylinder is in sealing connection with an inner bottom plate or is in sealing connection with the bottom wall of the hollow cavity, an annular reaction cavity is formed between the outer side wall of the inner cylinder and the side wall of the hollow cavity, filler is arranged in the reaction cavity, a water inlet communicated with the reaction cavity is arranged on the bottom wall of the hollow cavity, a water outlet is arranged on the side wall of the hollow cavity corresponding to the position above the filler, a plurality of wave guide ports are arranged on the top wall of the hollow cavity corresponding to the position of the inner cavity of the inner cylinder, the water inlet end and the water outlet end of the cooling water coil pipe are respectively positioned outside the water-cooling oil tank, microwave power supplies which are in one-to-one correspondence with the microwave generators are further arranged outside the water-cooling oil tank, the power supply output end of each microwave power supply is electrically connected with the power supply input end of the corresponding microwave transformer, and the power supply output end of each microwave transformer is electrically connected with the power supply input end of the corresponding microwave generator.

The following are further optimization or/and improvement of the technical scheme of the utility model:

above-mentioned shell body can include vertical urceolus, roof and outer bottom plate, urceolus top sealing connection has the roof, urceolus bottom sealing connection has outer bottom plate, the urceolus, roof and outer bottom plate enclose into well cavity, the urceolus is located to the coaxial cover of inner tube, inner tube top and roof sealing connection, the clearance has between inner tube bottom and the outer bottom plate, inner tube bottom sealing connection has the infrabasal plate, form the reaction chamber between inner tube and the urceolus, the water inlet sets up on outer bottom plate, the delivery port sets up on the urceolus, the wave guide mouth all sets up on the roof, microwave generator and water-cooling oil tank all set up in the.

The outer side of the outer barrel can be fixedly provided with an ear type support, the water inlet is communicated with a water inlet pipe, and the water outlet is communicated with a water outlet pipe.

The filler can comprise a filler fixing frame and a catalyst, the upper end and the lower end of the reaction cavity are respectively and fixedly provided with the filler fixing frame, and the catalyst is filled between the two filler fixing frames.

The number of the wave guide ports can be three, and the three wave guide ports are uniformly arranged around the central axis of the inner cylinder at intervals in the circumferential direction.

The inner cylinder can be an inner cylinder made of PP materials.

The utility model has the advantages of reasonable and compact structure, convenient to use, it has increased the area of contact of microwave radiation and catalyst to strengthened the treatment effect to sewage, pollutant in the ability high efficiency degradation sewage reduces sewage COD content, and COD's the effect of getting rid of is showing in the treatment of sewage discharge to reach standard.

Drawings

Fig. 1 is a schematic sectional view of the preferred embodiment of the present invention.

The codes in the figures are respectively: the device comprises an inner cylinder 1, a water-cooled oil tank 2, an inner bottom plate 3, a reaction cavity 4, a wave guide port 5, a microwave generator 6, a microwave transformer 7, a microwave power supply 8, an outer cylinder 9, a top plate 10, an outer bottom plate 11, an ear-type support 12, a water inlet pipe 13, a water outlet pipe 14, a filler fixing frame 15, a catalyst 16 and a cooling water coil 17.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

as shown in the attached figure 1, the cylinder type microwave catalytic COD removing device comprises an outer shell, a vertical inner cylinder 1 and a water-cooling oil tank 2, wherein a cylindrical hollow cavity is arranged in the outer shell, the inner cylinder 1 is coaxially arranged in the hollow cavity, the top end of the inner cylinder 1 is hermetically connected with the top wall of the hollow cavity, the bottom end of the inner cylinder 1 is hermetically connected with an inner bottom plate 3 or is hermetically connected with the bottom wall of the hollow cavity, an annular reaction cavity 4 is formed between the outer side wall of the inner cylinder 1 and the side wall of the hollow cavity, a filler is arranged in the reaction cavity 4, a water inlet communicated with the reaction cavity 4 is arranged on the bottom wall of the hollow cavity, a water outlet is arranged on the side wall of the hollow cavity corresponding to the position above the filler, a plurality of wave guide ports 5 are arranged on the top wall of the hollow cavity corresponding to the position in the inner cavity of, the water-cooled oil tank 2 is internally provided with cooling water coil pipes 17, the water inlet ends and the water outlet ends of the cooling water coil pipes 17 are respectively positioned outside the water-cooled oil tank 2, the outside of the water-cooled oil tank 2 is also provided with microwave power supplies 8 which are in one-to-one correspondence with the microwave generators 6, the power output end of each microwave power supply 8 is electrically connected with the power input end of the corresponding microwave transformer 7, and the power output end of each microwave transformer 7 is electrically connected with the power input end of the corresponding microwave generator 6. According to the requirement, the microwave generator 6, the microwave transformer 7 and the microwave power supply 8 are all the prior known technologies, the bottom end of the inner cylinder 1 is hermetically connected with the inner bottom plate 3 or hermetically connected with the bottom wall of the hollow cavity, so that sewage can be prevented from entering the inner cavity of the inner cylinder 1, the wave guide port 5 is arranged corresponding to the inner cavity of the inner cylinder 1, and the energy output end of the microwave generator 6 is aligned to the wave guide port 5, so that compared with the traditional box-type microwave sewage treatment device, on the premise of the same number of the microwave generators 6, the contact area between the medium and the microwave in the same unit volume is increased, so that the sewage treatment effect is enhanced, and in addition, the medium thickness in the same unit volume along the microwave radiation direction is smaller, so that the stable; because the microwave transformer 7 needs to perform voltage conversion between the microwave power supply 8 and the microwave generator 6, and heat is released during normal operation, cooling oil is filled in the water-cooling oil tank 2, and after cold water is introduced into the cooling water coil 17, the cooling oil can be cooled, so that the microwave transformer 7 is cooled, and the stable and normal operation of the whole device is ensured. The utility model discloses before the operation, be full of the coolant oil in the water-cooling oil tank 2 to start the cooling water pump supporting with cooling water coil 17, make the cold water circulation in the cooling water coil 17 flow, during the operation, make sewage in the water inlet gets into reaction chamber 4, flow through the filler, with the abundant contact of filler, open microwave generator 6 this moment, through COD in the microwave radiation degradation sewage, the sewage after the processing flows from the delivery port.

The cylindrical microwave catalytic COD removal device can be further optimized or/and improved according to actual needs:

as shown in the attached drawing 1, the shell body includes vertical urceolus 9, roof 10 and outer bottom plate 11, urceolus 9 top sealing connection has roof 10, urceolus 9 bottom sealing connection has outer bottom plate 11, urceolus 9, roof 10 and outer bottom plate 11 enclose into well cavity, 1 coaxial cover of inner tube is located in urceolus 9, 1 top of inner tube and roof 10 sealing connection, the clearance has between 1 bottom of inner tube and the

outer bottom plate

11, 1 bottom sealing connection of inner tube has infrabasal plate 3, form reaction chamber 4 between inner tube 1 and the urceolus 9, the water inlet sets up on outer bottom plate 11, the delivery port sets up on urceolus 9, guided wave mouth 5 all sets up on roof 10, microwave generator 6 and water cooling oil tank all set up in the roof 10 outside. The shell body is simple in structure and convenient to manufacture, and is convenient for fixedly installing the inner barrel 1 in the hollow cavity, a gap is formed between the bottom end of the inner barrel 1 and the outer bottom plate 11, the bottom end of the inner barrel 1 is hermetically connected with the inner bottom plate 3, so that sewage can be prevented from entering the inner cavity of the inner barrel 1, the flow rate of all sewage entering from the water inlet can be guaranteed to be almost the same, and the uniformity of the sewage treatment effect is guaranteed.

As shown in figure 1, an ear type support 12 is fixedly arranged on the outer side of the outer cylinder 9, a water inlet pipe 13 is communicated with a water inlet, and a water outlet pipe 14 is communicated with a water outlet. Be convenient for through setting up of ear formula support 12 the utility model discloses an installation, transportation are convenient for through setting up of inlet tube 13 and outlet pipe 14 the utility model discloses be connected with outside pipeline.

As shown in fig. 1, the filler includes a filler fixing frame 15 and a catalyst 16, the upper and lower ends of the reaction chamber 4 are respectively and fixedly provided with the filler fixing frame 15, and the catalyst 16 is filled between the two filler fixing frames 15. The microwave induces the catalyst 16 to react with COD in the sewage, thereby effectively degrading the COD; the filler may also be any agent that treats the wastewater and a combination that immobilizes the agent.

As shown in the attached figure 1, the number of the wave guide ports 5 is three, and the three wave guide ports 5 are uniformly arranged around the central axis of the inner cylinder 1 at intervals in the circumferential direction. Further increasing the contact area of the microwave and the medium in the reaction cavity, thereby further enhancing the sewage treatment effect.

As shown in the attached figure 1, the inner cylinder 1 is made of PP material 1. The inner barrel 1 made of PP material can effectively ensure that the microwave emitted by the microwave generator 6 can effectively act on the medium in the reaction cavity 4.

Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims

1. A cylindrical microwave catalytic COD removal device is characterized by comprising an outer shell, a vertical inner cylinder and a water-cooled oil tank, wherein a cylindrical hollow cavity is arranged in the outer shell, the inner cylinder is coaxially arranged in the hollow cavity, the top end of the inner cylinder is in sealing connection with the top wall of the hollow cavity, the bottom end of the inner cylinder is in sealing connection with an inner bottom plate or is in sealing connection with the bottom wall of the hollow cavity, an annular reaction cavity is formed between the outer side wall of the inner cylinder and the side wall of the hollow cavity, fillers are arranged in the reaction cavity, a water inlet communicated with the reaction cavity is formed in the bottom wall of the hollow cavity, a water outlet is formed in the side wall of the hollow cavity corresponding to the position above the fillers, a plurality of wave guide ports are formed in the top wall of the hollow cavity corresponding to the position of the, the water-cooled oil tank is internally provided with cooling water coil pipes, the water inlet ends and the water outlet ends of the cooling water coil pipes are respectively positioned outside the water-cooled oil tank, the outside of the water-cooled oil tank is also provided with microwave power supplies which are in one-to-one correspondence with each microwave generator, the power output end of each microwave power supply is electrically connected with the power input end of the corresponding microwave transformer, and the power output end of each microwave transformer is electrically connected with the power input end of the corresponding microwave generator.

2. The drum type microwave catalytic COD removal device according to claim 1, wherein the outer housing comprises a vertical outer drum, a top plate and an outer bottom plate, the top end of the outer drum is hermetically connected with the top plate, the bottom end of the outer drum is hermetically connected with the outer bottom plate, the outer drum, the top plate and the outer bottom plate enclose a hollow cavity, the inner drum is coaxially sleeved in the outer drum, the top end of the inner drum is hermetically connected with the top plate, a gap is formed between the bottom end of the inner drum and the outer bottom plate, the inner bottom plate is hermetically connected with the bottom end of the inner drum, a reaction cavity is formed between the inner drum and the outer drum, the water inlet is arranged on the outer bottom plate, the water outlet is arranged on the outer drum.

3. The cylindrical microwave catalytic COD removal device of claim 2, wherein the outer side of the outer cylinder is fixedly provided with an ear-type support, the water inlet is communicated with a water inlet pipe, and the water outlet is communicated with a water outlet pipe.

4. The cylindrical microwave catalytic COD removal device of claim 1, 2 or 3, wherein the filler comprises a filler fixing frame and a catalyst, the upper and lower ends of the reaction chamber are respectively fixedly provided with the filler fixing frame, and the catalyst is filled between the two filler fixing frames.

5. The cylindrical microwave catalytic COD removal device of claim 1, 2 or 3, wherein the number of the wave guide ports is three, and the three wave guide ports are uniformly arranged around the central axis of the inner cylinder at intervals in the circumferential direction.

6. The cylindrical microwave catalytic COD removal device of claim 4, wherein the number of the wave guide ports is three, and the three wave guide ports are uniformly arranged around the central axis of the inner cylinder at intervals in the circumferential direction.

7. The cylindrical microwave catalytic COD removal device according to claim 1, 2, 3 or 6, wherein the inner cylinder is made of PP material.

8. The cylindrical microwave catalytic COD removal device of claim 4, wherein the inner cylinder is made of PP.

9. The cylindrical microwave catalytic COD removal device of claim 5, wherein the inner cylinder is made of PP.