CN217952241U

CN217952241U - Waste heat evaporator

Info

Publication number: CN217952241U
Application number: CN202221914857.0U
Authority: CN
Inventors: 张平; 齐丽霞; 谢娟; 齐德天
Original assignee: Ningxia Fengcheng Equipment Manufacturing Co ltd
Current assignee: Ningxia Fengcheng Equipment Manufacturing Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-12-02
Anticipated expiration: 2032-07-25

Abstract

A waste heat evaporator, comprising: a shunt tank body; a partition board is horizontally arranged in the shunting tank body, and the partition board separates the interior of the shunting tank body into a steam chamber and a smoke chamber; a smoke filter is arranged in the smoke cavity and connected with an n-shaped surrounding finned radiating pipe; a filtering overflow groove is arranged in the steam chamber, the highest point of the water level of the filtering overflow groove is connected with a wastewater steam box, and the wastewater steam box is connected with a steam chamber; the flue gas cavity is through bleeding subassembly and steam chamber intercommunication, and the one side that waste water steam chest was kept away from to the steam chamber is equipped with the air discharge fan. It can be seen from the above description that by introducing waste water and flue gas into different chambers, the waste water is gasified by the waste water steam box, while the waste heat in the flue gas is diffused to the flue gas chamber and then introduced into the steam chamber. The steam chamber receives waste heat of waste water and flue gas simultaneously to exert high-efficient heat energy in the application and the stoving field.

Description

Waste heat evaporator

The technical field is as follows:

the utility model relates to an evaporimeter technical field, in particular to waste heat evaporimeter.

The background art comprises the following steps:

in the industrial production process, medium-high temperature wastewater at 70-90 ℃ is generated and discharged every year, the wastewater is subjected to waste heat recovery and reuse, technicians design a wastewater waste heat evaporator, and through organic combination among a high-temperature evaporator, a low-temperature evaporator and a steam ejector, the waste heat recovery and effective utilization of the wastewater are realized, and a large amount of waste heat resources are saved.

Meanwhile, flue gas discharged by a boiler in the industrial production process and a large amount of waste gas discharged in various production processes have certain waste heat, and the flue gas is directly discharged into the atmosphere, so that the environment is polluted and a large amount of heat energy is wasted, and therefore, the recovery and utilization of the waste heat of the gas are important links for energy conservation and emission reduction.

In view of all possessing the waste heat in the middle of high temperature waste water and the flue gas, waste heat evaporimeter among the prior art only carries out waste heat utilization to one in waste water or the flue gas, increases equipment cost, and waste heat utilization is not abundant, especially to need possess in the industrial environment of high temperature stoving field, and high temperature stoving continuation operation can't carry out make full use of with the waste heat of waste water and the flue gas that produce in the middle of the industry.

The utility model has the following contents:

in view of this, it is necessary to design a waste heat evaporator to make full use of the waste heat in the flue gas and the waste water in the industrial environment.

A waste heat evaporator, comprising: a shunt tank body; a partition board is horizontally arranged in the shunting tank body, and the partition board separates the interior of the shunting tank body into a steam chamber and a flue gas chamber; wherein the content of the first and second substances,

a smoke filter is arranged in the smoke cavity and connected with an n-shaped surrounding finned radiating pipe;

a filtering overflow groove is arranged in the steam chamber, the highest point of the water level of the filtering overflow groove is connected with a wastewater steam box, and the wastewater steam box is connected with a steam chamber;

the flue gas cavity through bleed the subassembly with the steam chamber intercommunication, the steam chamber is kept away from one side of waste water steam chest is equipped with the air discharge fan.

Preferably, the first end of the flow dividing tank body is provided with a waste water connecting pipe communicated with the steam chamber and a flue gas connecting pipe communicated with the flue gas chamber.

Preferably, a filtering layer is arranged at the top of the filtering overflow tank, and the waste water connecting pipe is positioned above the filtering layer.

Preferably, the upper part of the filtering overflow tank is provided with a filtering valve communicated with the wastewater steam box.

Preferably, the top of the wastewater steam box is provided with a temperature guide plate, and the inside of the flue gas chamber is provided with a first exhaust fan facing the temperature guide plate.

Preferably, the air exhaust assembly is a second air exhaust fan, and the second air exhaust fan conducts the heat energy of the flue gas chamber to the steam chamber.

Preferably, a Laval nozzle is arranged at the communication position of the wastewater steam box and the steam chamber.

Preferably, the second end of the diversion tank body is provided with a steam discharge pipe communicated with the steam chamber and a smoke discharge pipe communicated with the finned heat dissipation pipe.

Preferably, the bottom of the filtering overflow groove is hinged with a trash removal baffle.

Preferably, the bottom of the shunting tank body is provided with a supporting leg, and an expansion ground bolt is assembled on the supporting leg.

The utility model discloses in, through with leading-in different cavities of waste water and flue gas, waste water passes through waste water steam chest gasification, and waste heat diffusion in the middle of the flue gas is to the flue gas cavity back simultaneously, leading-in steam chamber. The steam chamber receives waste heat of waste water and flue gas simultaneously to exert high-efficient heat energy in the application and the stoving field.

Description of the drawings:

fig. 1 is a schematic structural diagram of a waste heat evaporator provided by the present invention;

fig. 2 is a schematic structural diagram of the laval nozzle provided by the present invention;

fig. 3 is a schematic structural view of the finned heat dissipation tube provided by the present invention.

In the drawing, a flow-dividing tank body-1, a flue gas connecting pipe-2, a waste water connecting pipe-3, a filter layer-4, a flue gas filter-5, supporting legs-6, a decontamination baffle-7, a filter valve-8, a waste water steam box-9, a first exhaust fan-10, a laval nozzle-11, a steam chamber-12, a second exhaust fan-13, an exhaust fan-14, a fin radiating pipe-15, a flue gas pipeline-151, a radiating fin-152, a steam discharging pipe-16, a flue gas discharging pipe-17, an instrument-18 and a partition plate-19.

The specific implementation mode is as follows:

as shown in fig. 1, a waste heat evaporator includes: a shunt tank body 1; this reposition of redundant personnel jar body 1 is the horizontal jar of body to reposition of redundant personnel jar body 1 in this application adopts the flue gas and the waste water that produce simultaneously to carry out waste heat recovery and recycle with industrial process.

The bottom of the shunt tank body 1 is provided with a supporting leg 6, and an expansion ground bolt is assembled on the supporting leg 6. The supporting legs 6 are used for supporting the shunting tank body 1, and the shunting tank body 1 is fixed at an installation station by adopting an expansion ground bolt.

A partition plate 19 is horizontally arranged in the shunting tank body 1, and the partition plate 19 separates the interior of the shunting tank body 1 into a steam chamber and a flue gas chamber. The steam chamber is used for gasifying high-temperature waste water generated in the industrial process into steam through high temperature gasification after filtering and precipitating, and is used for utilizing the steam in numerous fields such as drying technology production, heat preservation equipment production and the like.

The flue gas cavity is used for recycling the waste heat in the flue gas after filtering the flue gas to supplementary waste water gasification, and the flue gas waste heat is collected simultaneously with waste water waste heat and is then gathered and recycled.

The flue gas filter 5 is arranged in the flue gas chamber, and the flue gas filter 5 is connected with an n-shaped surrounding finned radiating pipe 15. The first end of the shunting tank body 1 is provided with a flue gas connecting pipe 2 communicated with the flue gas chamber. The flue gas connecting pipe 2 is communicated with the waste heat flue gas through a pipeline and is transmitted to the flue gas filter 5, the flue gas is filtered to remove harmful substances and then enters the finned radiating pipe 15, and the waste heat in the flue gas is fully diffused to the flue gas cavity; as shown in fig. 3, the finned heat dissipation tube 15 includes a flue gas duct 151 communicated with the flue gas filter 5, the flue gas duct 151 is arranged in n rows in the flue gas chamber, the outer wall of the flue gas duct 151 is provided with a plurality of heat dissipation fins 152, and the heat dissipation fins 152 are used for absorbing the residual heat in the flue gas and then diffusing the residual heat into the flue gas chamber.

And a flue gas discharge pipe 17 communicated with the finned heat dissipation pipe 15 is arranged at the second end of the flow-dividing tank body 1, and the flue gas discharge pipe 17 is used for filtering the flue gas absorbing the waste heat again and then discharging the flue gas into the outside air.

Continuing to refer to fig. 1, a waste water connection pipe 3 communicated with the steam chamber is arranged at the first end of the diversion tank body 1; high-temperature wastewater generated by industry is filtered, precipitated and gasified through a wastewater connecting pipe.

When filtering and deposiing waste water, this application adopts the mode of overflow to deposit the harmful substance of waste water. Specifically, a filtering overflow groove is arranged in the steam chamber, a filtering layer 4 is arranged at the top of the filtering overflow groove, and the waste water connecting pipe 3 is positioned above the filtering layer 4. The wastewater flows into the upper part of the filtering overflow tank through the wastewater connecting pipe 3, and the wastewater filters harmful substances in the wastewater after passing through the filtering layer 4. It needs to be specifically explained that the first end of the shunting tank body 1 is a hinged closed door, and when the filter layer 4 needs to be replaced or cleaned, the filter layer 4 is cleaned by opening the closed door.

The filtered wastewater flows into the filtering overflow tank, impurities are precipitated in the filtering overflow tank, and the wastewater in the filtering overflow tank overflows to the wastewater steam tank 9 after reaching a certain water level. The highest point of the water level of the filtering overflow groove is connected with a waste water steam box 9, and the upper part of the filtering overflow groove is provided with a filter valve 8 communicated with the waste water steam box 9. Thereby, the wastewater is filtered again when entering the wastewater steam box 9, and the wastewater is gasified at high temperature after entering the wastewater steam box 9 to form steam.

Meanwhile, in order to remove the sediment generated in the filtering overflow tank, a sewage-removing baffle 7 is hinged at the bottom of the shunting tank body 1. The baffle 7 of decontaminating is located the bottom of filtering the overflow tank to can clear away the impurity that the sediment produced through opening the baffle 7 of decontaminating, guarantee long-time continuous operation.

In addition, in order to ensure a high gasification effect inside the waste water steam box 9, a temperature guide plate is arranged at the top of the waste water steam box 9, and a first exhaust fan 10 facing the temperature guide plate is arranged inside the flue gas chamber.

As shown in fig. 2, the waste steam box 9 is connected with a steam chamber 12; the steam chamber 12 is the chamber that summarizes the flue gas chamber temperature and the waste steam box 9 gases. A Laval nozzle 11 is arranged at the communication part of the waste water steam box 9 and the steam chamber 12. The gas in the waste water steam box 9 flows into the steam chamber 12 at high speed through the Laval nozzle 11 for collection.

The flue gas chamber is connected to a steam chamber 12 by means of a second suction fan 13, and the side of the steam chamber 12 remote from the waste water steam box 9 is equipped with an exhaust fan 14. Therefore, the gas generated in the flue gas chamber and the waste water steam box 9 is collected and then applied to various fields such as drying technology production, heat preservation equipment production and the like through the exhaust fan.

The second end of reposition of redundant personnel jar body 1 is provided with the steam discharge pipe 16 with steam chamber 12 intercommunication, and the exhaust fan communicates with steam discharge pipe 16 to better utilizing after the waste heat in the absorption flue gas and waste water, reducing the energy loss of industrial production process.

In addition, a meter 18 is arranged on the top of the shunt tank body 1, and the meter 18 is used for detecting data such as temperature, pressure and the like in the shunt tank body 1 and is convenient to adjust.

The utility model discloses in, through with the leading-in different cavities of waste water and flue gas, waste water passes through the gasification of waste water steam chest 9, and waste heat diffusion in the middle of the flue gas is to flue gas cavity back simultaneously, leading-in steam chamber 12. The steam chamber 12 receives waste heat of waste water and flue gas at the same time, and exerts high-efficiency heat energy in the application and drying fields.

Claims

1. A waste heat evaporator, comprising: a shunt tank body; a partition board is horizontally arranged in the shunting tank body, and the partition board separates the interior of the shunting tank body into a steam chamber and a smoke chamber; wherein the content of the first and second substances,

2. The waste heat evaporator as set forth in claim 1, wherein the first end of the split flow tank body is provided with a waste water connection pipe communicating with the steam chamber, and a flue gas connection pipe communicating with the flue gas chamber.

3. The waste heat evaporator as set forth in claim 2, wherein a filter layer is provided on a top of the filtering overflow tank, and the waste water connection pipe is located above the filter layer.

4. The waste heat evaporator as set forth in claim 2, wherein a filtering valve communicated with the waste water steam tank is provided at an upper portion of the filtering overflow tank.

5. The waste heat evaporator as recited in claim 1, wherein a temperature guide plate is disposed at a top of the waste water steam box, and a first exhaust fan facing the temperature guide plate is disposed inside the flue gas chamber.

6. The waste heat boiler of claim 5, wherein the exhaust element is a second exhaust fan that conducts heat energy from the flue gas chamber to the steam chamber.

7. The waste heat evaporator as recited in claim 6 wherein a laval nozzle is provided at a communication between the waste steam box and the steam chamber.

8. The waste heat boiler as claimed in claim 2, wherein the second end of the bypass tank is provided with a steam discharge pipe communicating with the steam chamber, and a flue gas discharge pipe communicating with the finned heat pipe.

9. The waste heat evaporator as recited in claim 1 wherein a bottom of the filtering overflow trough is hinged with a trash removal baffle.

10. The waste heat evaporator as recited in claim 1 wherein the bottom of the split tank body is provided with legs, and the legs are provided with expansion ground pins.