CN217173539U

CN217173539U - Inlet water preheating device of IC reactor

Info

Publication number: CN217173539U
Application number: CN202220814305.6U
Authority: CN
Inventors: 罗城; 陈国荣
Original assignee: Hunan Sugang Environmental Protection Technology Co ltd
Current assignee: Hunan Sugang Environmental Protection Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-08-12
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses a preheating device of intaking of IC reactor, wherein, including the regulating reservoir that is equipped with mud, be equipped with the first connecting pipe of outside extension on the regulating reservoir, the three-way valve that is equipped with on the tip of first connecting pipe, second connecting pipe and the third connecting pipe that are equipped with respectively in third valve both sides, the reation kettle who is connected on second connecting pipe upper end, the IC intake chamber that is equipped with in third connecting pipe tip one side, the heat exchanger that is equipped with on IC intake chamber bottom, be equipped with intake pipe and the outlet duct of being connected with third connecting pipe tip on the heat exchanger, be equipped with one end and be connected with the outlet duct on the tip of outlet duct, the fourth connecting pipe that the other end is connected with first connecting pipe, the discharging pipe that is equipped with on the regulating reservoir, and the charge pump that is equipped with on the discharging pipe. The utility model has the effects of energy saving, environmental protection and increasing the output of methane.

Description

Inlet water preheating device of IC reactor

Technical Field

The utility model belongs to the technical field of sludge treatment, in particular to use preheating device of intaking of IC reactor of municipal sludge pyrohydrolysis.

Background

At present, the sludge is generally cooked by high-temperature (155-170 ℃) and high-pressure steam and subjected to an instantaneous pressure relief steam explosion flash evaporation process by using the municipal sludge pyrohydrolysis technology, and organic matters in the sludge can be separated from inorganic sludge only by keeping constant pressure, such as 0.52Mpa, when a reaction kettle is heated by the steam. The steam generated by the reaction kettle generally needs to be heated before being sent back to the regulating tank, but the steam in the reaction kettle has higher temperature and pressure and directly enters the regulating tank without being cooled, so that the regulating tank is easy to generate a large amount of smoke to influence the surrounding environment. Moreover, when the temperature of the adjusting tank rises, the investment cost is increased in order to avoid waste of heat and ensure that the temperature is not lost; if the heat exchanger is adopted to directly heat the sludge, the high-temperature steam can harden the sludge on the wall of the heat exchanger, which causes poor heat exchange effect and difficult cleaning, and also increases the workload.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention is directed to an inlet water preheating device for an IC reactor, which is energy saving and environment friendly and can increase the methane yield.

For realize above-mentioned mesh, the utility model provides a pair of preheating device intakes of IC reactor, wherein, including the regulation jar that is equipped with mud, be equipped with the first connecting pipe of outside extension on the regulation jar, the three-way valve that is equipped with on the tip of first connecting pipe, second connecting pipe and third connecting pipe that are equipped with respectively in third valve both sides, the reation kettle who is connected on second connecting pipe upper end, the IC intake chamber that is equipped with in third connecting pipe tip one side, the heat exchanger that is equipped with on IC intake chamber bottom, be equipped with intake pipe and the outlet duct of being connected with third connecting pipe tip on the heat exchanger, be equipped with one end and be connected with the outlet duct on the tip of outlet duct, the fourth connecting pipe that the other end is connected with first connecting pipe, the discharging pipe that is equipped with on the regulation jar, and the discharge pump that is equipped with on the discharging pipe. The three-way valve can be used for selecting steam to be sent to the IC water inlet pool or the adjusting tank according to the field operation requirements, so that the requirements of different seasons can be met, the working efficiency of the system is improved, and the energy consumption of the system is reduced. When steam of the reaction kettle enters the heat exchanger through the second connecting pipe and the third connecting pipe, heat exchange is carried out in the IC water inlet tank to reduce the temperature to 80-90 ℃, then the steam is directly input into the adjusting tank to be mixed with sludge, the heat energy loss is reduced, and finally the steam and the sludge enter the sludge pyrohydrolysis system.

In some embodiments, the IC inlet pool is provided with IC tanks communicated with each other.

In some embodiments, the heat exchanger is a heat exchange coil.

In some embodiments, the heat exchange coil has a diameter of 32mm and a length of 1 meter.

In some embodiments, the heat exchange coil is provided with an IC inlet sump center.

In some embodiments, the inner wall of the IC water inlet pool is provided with an insulating material layer.

In some embodiments, the pressure in the reaction vessel is set at 0.5 MPa.

In some embodiments, the end of the discharge tube is connected to a sludge pyrohydrolysis system.

The utility model has the advantages of energy saving, environmental protection and increasing the methane output. Because the improved structure is added with the IC water inlet pool, the defect that steam in a reaction kettle in the prior art has higher temperature and pressure and directly enters the regulating tank without being cooled is overcome, the energy consumption of the steam is reduced, and other energy sources are not needed; especially, when the temperature rise stage of the reaction kettle is just started or the sludge pyrohydrolysis system is stopped due to faults, the energy loss of the system can be greatly reduced, and the effects of energy conservation and environmental protection are realized. And because the water inlet end of the IC tank needs to meet the requirement that the temperature required by the survival of anaerobic bacteria is 32-38 ℃, the temperature required by summer can meet the requirement, but the temperature of the water inlet end is difficult to meet the requirement in other seasons, the IC tank can be ensured to normally operate only by adopting the waste heat of the reaction kettle to be supplied by the IC tank, thereby ensuring that the biogas can achieve the ideal effect and achieving the purpose of increasing the biogas yield.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, an influent water preheating device of an IC reactor, including an adjusting tank 1 filled with sludge, a first connecting pipe 2 extending outward is arranged on the adjusting tank 1, a three-way valve 3 is arranged on the end of the first connecting pipe 2, a second connecting pipe 4 and a third connecting pipe 5 are respectively arranged on two sides of the third connecting pipe 3, a reaction kettle 6 connected on the upper end of the second connecting pipe 4, an IC water inlet tank 7 arranged on one side of the end of the third connecting pipe 5, a heat exchanger 8 arranged on the bottom of the IC water inlet tank 7, an air inlet pipe 9 and an air outlet pipe 10 connected with the end of the third connecting pipe 5 are arranged on the heat exchanger 8, one end of the air outlet pipe 10 is connected with the air outlet pipe 10, a fourth connecting pipe 11 connected with the first connecting pipe 2 is arranged on the other end of the heat exchanger, a discharging pipe 12 arranged on the adjusting tank 1, and a discharging pump 13 arranged on the discharging pipe 12. The three-way valve 3 can be used for selecting steam to be sent to the IC water inlet tank 7 or the adjusting tank 1 according to the field operation requirements, so that the requirements of different seasons can be met, the working efficiency of the system is improved, and the energy consumption of the system is reduced. When steam of the reaction kettle 6 enters the heat exchanger 8 through the second connecting pipe 4 and the third connecting pipe, heat exchange is carried out in the IC water inlet tank 7 to reduce the temperature to 80-90 ℃, then the steam is directly input into the adjusting tank 1 to be mixed with sludge, the purpose is to reduce heat energy loss, and finally the steam and the sludge enter the sludge pyrohydrolysis system 14. And the IC inlet tank 7 is provided with an IC tank communicated with each other. The heat exchanger 8 is a heat exchange coil. The diameter of the heat exchange coil is 32mm, and the length is 1 meter. The heat exchange coil is provided with the center of an IC water inlet pool 7. And the inner wall of the IC water inlet pool 7 is provided with a heat insulation material layer. The pressure in the reaction vessel 6 was set to 0.5 MPa. The end part of the discharge pipe 12 is connected with a sludge thermal hydrolysis system 14.

Principle of operation

After production begins, a steam generator is started to heat the reaction kettle 6, when the pressure of the reaction kettle 6 reaches the condition of 0.5Mpa, a large amount of saturated steam exists in the reaction kettle 6, the steam generated by the reaction kettle 6 is guided into the IC water inlet tank 7 through the second connecting pipe 4 and the third connecting pipe 5, when the temperature of the IC water inlet tank 7 reaches the upper limit of 38 ℃, the steam is guided into the adjusting tank 1 to be mixed with sludge, and finally, the steam and the sludge are discharged into the sludge thermal hydrolysis system 14 to perform one step of process.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The utility model provides a preheating device that intakes of IC reactor, a serial communication port, including the regulation jar that is equipped with mud, be equipped with the first connecting pipe of outside extension on the regulation jar, the three-way valve that is equipped with on the tip of first connecting pipe, second connecting pipe and the third connecting pipe that are equipped with respectively in third valve both sides, the reation kettle who is connected on second connecting pipe upper end, the IC intake chamber that is equipped with in third connecting pipe tip one side, the heat exchanger that is equipped with on IC intake chamber bottom, be equipped with intake pipe and the outlet duct of being connected with third connecting pipe tip on the heat exchanger, be equipped with one end and be connected with the outlet duct on the tip of outlet duct, the fourth connecting pipe that the other end and first connecting pipe are connected, the discharging pipe that is equipped with on the regulation jar, and the ejection of compact pump that is equipped with on the discharging pipe.

2. The inlet water preheating device of an IC reactor as claimed in claim 1, wherein the IC inlet tank is provided with IC tanks communicated with each other.

3. The apparatus of claim 2, wherein the heat exchanger is a heat exchanger coil.

4. The apparatus of claim 3, wherein the heat exchange coil has a diameter of 32mm and a length of 1 m.

5. The inlet water preheating device of the IC reactor as claimed in claim 3 or 4, wherein the heat exchange coil is provided with an IC inlet water tank center.

6. The inlet water preheating device of an IC reactor as claimed in claim 1, wherein the inner wall of the IC inlet tank is provided with a thermal insulation material layer.

7. The apparatus of claim 1, wherein the pressure in the reaction vessel is set to 0.5 Mpa.

8. The inlet water preheating device of the IC reactor as claimed in claim 1, wherein the end of the outlet pipe is connected with a sludge thermal hydrolysis system.