CN210662795U

CN210662795U - Silicon dioxide spray drying tail gas condensate water and waste heat combined recovery system

Info

Publication number: CN210662795U
Application number: CN201921151943.9U
Authority: CN
Inventors: 李品; 庄洪运; 李祥凯; 王奉叶; 郑晓刚
Original assignee: Shandong Lianke Technology Co ltd
Current assignee: Shandong Lianke Technology Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-02
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a silica spray drying tail gas condensate water and waste heat combined recovery system, collect the box including retrieving box and heat, the bottom intercommunication of retrieving the box has the intake pipe, the inner wall of retrieving the box is provided with retrieves the filter plate, the top intercommunication of retrieving the box has the fan of breathing in, the inner wall of heat collection box is provided with the combustion chamber, the fan and the combustion chamber intercommunication of breathing in, the top intercommunication of heat collection box has the air inlet fan, air inlet fan and combustion chamber intercommunication, one side intercommunication of combustion chamber has the outlet duct, the top of retrieving the box is provided with the water tank, the bottom intercommunication of water tank has the heat exchange tube, the heat exchange tube is located the inside of heat collection box, the one end that the heat exchange tube deviates from the water tank is connected with ORC heat collection device. The utility model provides a current processing apparatus focus is mainly the recovery of the focus waste heat to can not utilize the waste heat, have the problem of certain limitation.

Description

Silicon dioxide spray drying tail gas condensate water and waste heat combined recovery system

Technical Field

The utility model relates to a silica atomization waste heat recovery technical field specifically is silica spray drying tail gas condensate water and waste heat combined recovery system.

Background

Silica atomization can give out a large amount of mixed waste heat, and when mixing with the air, the explosion probably takes place, the landfill waste heat still contains material such as trace ammonia, carbon monoxide, hydrogen sulfide, multiple volatile organic compounds, can produce foul problem and air pollution, long-time accumulation can lead to the fact very big influence to the environment, consequently need handle the waste heat, current processing apparatus side focus is mostly the recovery of the focus on the waste heat, can not utilize the waste heat, certain limitation has.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a recovery system is united to silica spray drying tail gas condensate water and waste heat to solve the recovery that the current processing apparatus focus that provides in the above-mentioned background art is the focus mostly the waste heat, and can not utilize the waste heat, have the problem of certain limitation.

In order to solve the technical problem, the utility model provides a following technical scheme: silica spray drying tail gas condensate water and waste heat combined recovery system, collect the box including retrieving box and heat, the bottom intercommunication of retrieving the box has the intake pipe, the inner wall of retrieving the box is provided with retrieves the filter plate, the top intercommunication of retrieving the box has the fan of breathing in, the inner wall of heat collection box is provided with the combustion chamber, the fan and the combustion chamber intercommunication of breathing in, the top intercommunication of heat collection box has the air inlet fan, air inlet fan and combustion chamber intercommunication, one side intercommunication of combustion chamber has the outlet duct, the top of retrieving the box is provided with the water tank, the bottom intercommunication of water tank has the heat exchange tube, the heat exchange tube is located the inside of heat collection box, the one end that the heat exchange tube deviates from the water tank is connected with ORC heat collection device.

Preferably, the bottom of the recovery box body is communicated with a sewage draining outlet.

Preferably, the recovery filter plate is composed of a filter screen and an adsorbent filter plate, the filter screen is located below the adsorbent filter plate, and a carbon dioxide absorbent is arranged in the adsorbent filter plate.

Preferably, ORC heat collection device is including evaporimeter, condenser, turbo expander, working medium storage tank, heat collector and working medium circulating pump, evaporimeter, condenser, turbo expander, working medium storage tank, heat collector and working medium circulating pump all are located the inside of heat collection box, heat exchange tube and evaporimeter intercommunication, one side of evaporimeter is provided with the water circulating pump, water circulating pump and water tank intercommunication, the evaporimeter with the working medium storage tank intercommunication, evaporimeter and turbo expander intercommunication, turbo expander is connected with the heat collector, turbo expander and condenser intercommunication, the condenser passes through working medium circulating pump and working medium storage tank intercommunication.

Preferably, the combustion chamber is supplied with a combustion source by a burner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model sucks the waste heat generated by the landfill site into the recovery box body from the air inlet pipe through the air suction fan, adsorbing granular impurities and carbon dioxide in the waste heat under the adsorption of a recovery filter plate, thereby increasing the methane content in the waste heat, simultaneously leading the recovered waste heat into the combustion chamber by the air suction fan, simultaneously leading air into the combustion chamber by the air inlet fan, the mixed waste heat is combusted under the action of the combustor, the flue gas generated by combustion acts on the heat exchange tube through the gas outlet tube, so that the temperature of water in the heat exchange tube can be increased, then the hot water enters into the ORC heat collecting device, the heat is collected by the ORC heat collecting device, therefore, the atomization heat can be effectively utilized, and the problems that the prior treatment device mainly focuses on the recovery of waste heat, cannot utilize the waste heat and has certain limitation are solved.

2. Through setting up the water tank, hot water in the heat exchange tube enters into the evaporimeter, the evaporimeter carries out the heat transfer with the hot water that gets into, hot water after the cooling enters into the water tank again through water circulating pump, accomplish the effect of circulation recovery waste heat with this, and avoided a large amount of emissions of water resource, go into the evaporimeter through the low boiling working medium pump among the working medium storage tank of working medium circulating pump, the gasification converts gaseous state working medium into behind the hot water's of absorption waste heat, gaseous state working medium makes turboexpander work, thereby can provide power for the heat collector, make it carry out heat collection, and gaseous state working medium is cooled off in getting into the condenser through working medium circulating pump after getting into turboexpander uses, enter into the working medium storage tank again, thereby realize the recycling of working medium, the effectual thermal recycle that atomizes has been realized.

Drawings

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

FIG. 2 is a schematic structural view of a recycling bin according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a heat collecting box according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an ORC heat collecting apparatus according to an embodiment of the present invention.

In the figure: 1. a recovery box body; 2. a heat collection box; 3. an air inlet pipe; 4. recovering the filter plate; 5. an air suction fan; 6. a combustion chamber; 7. an air intake fan; 8. an air outlet pipe; 9. a water tank; 10. a heat exchange pipe; 11. an ORC heat collection device.

Detailed Description

In order to solve the recovery that current processing apparatus focus is mostly the focus to the waste heat, can not utilize the waste heat, has the problem of certain limitation, the embodiment of the utility model provides a recovery system is united to silica spray drying tail gas condensate water and waste heat. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1-4, the embodiment provides a combined recovery system for condensed water and waste heat in silica spray drying tail gas, which comprises a recovery tank 1 and a heat collection tank 2, the bottom of the recovery tank 1 is communicated with an air inlet pipe 3, the inner wall of the recovery tank 1 is provided with a recovery filter plate 4, the top of the recovery tank 1 is communicated with an air suction fan 5, the inner wall of the heat collection tank 2 is provided with a combustion chamber 6, the combustion chamber 6 is provided with a combustion source by a burner, the air suction fan 5 is communicated with the combustion chamber 6, the top of the heat collection tank 2 is communicated with an air inlet fan 7, the air inlet fan 7 is communicated with the combustion chamber 6, one side of the combustion chamber 6 is communicated with an air outlet pipe 8, the top of the recovery tank 1 is provided with a water tank 9, the bottom of the water tank 9 is communicated with a heat exchange pipe 10, the heat exchange pipe 10 is.

In the embodiment, the waste heat generated by the landfill site is sucked into the recovery box body 1 from the air inlet pipe 3 by the air suction fan 5, granular impurities and carbon dioxide in the waste heat are adsorbed by the recovery filter plate 4, so that the components of methane in the waste heat are increased, meanwhile, the recovered waste heat is guided into the combustion chamber 6 by the air suction fan 5, air is introduced into the combustion chamber 6 by the air inlet fan 7, mixed waste heat is combusted under the action of the combustor, the flue gas generated by combustion acts on the heat exchange pipe 10 through the air outlet pipe 8, so that the temperature of the water in the heat exchange pipe 10 can be increased, then the hot water enters the ORC heat collecting device 11, the heat is collected by the ORC heat collecting device 11, so that the atomized heat can be effectively utilized, and the problem that the existing treatment device mostly focuses on the recovery of the waste heat and can not utilize the waste heat is solved, has a certain limitation problem.

Example 2

Referring to fig. 1-4, a further improvement is made on the basis of embodiment 1: the ORC heat collecting device 11 comprises an evaporator, a condenser, a turbo expander, a working medium storage tank, a heat collector and a working medium circulating pump, wherein the evaporator, the condenser, the turbo expander, the working medium storage tank, the heat collector and the working medium circulating pump are all positioned inside the heat collecting box body 2, a heat exchange tube 10 is communicated with the evaporator, one side of the evaporator is provided with the water circulating pump which is communicated with a water tank 9, the evaporator is communicated with the working medium storage tank, the evaporator is communicated with the turbo expander, the turbo expander is connected with the heat collector, the turbo expander is communicated with the condenser, the condenser is communicated with the working medium storage tank through the working medium circulating pump, hot water in the heat exchange tube 10 enters the evaporator through the water tank 9, the evaporator exchanges heat with the entering hot water, the cooled hot water enters the water tank 9 again through the water circulating pump, and accordingly, the effect of recycling waste heat is achieved, and avoided the emission in a large number of water resources, through working medium circulating pump with the low boiling point working medium pump in the working medium storage tank in to the evaporimeter, the gasification converts gaseous working medium into after absorbing hydrothermal waste heat, gaseous working medium makes turboexpander work, thereby can provide power for the heat collector, make it carry out the heat collection, and gaseous working medium gets into the working medium circulating pump after turboexpander uses and goes into the condenser and cool off in, get into the working medium storage tank again, thereby realize the recycling of working medium, the effectual thermal recycle that atomizes that has realized.

Wherein, the bottom intercommunication of retrieving box 1 has the drain, through setting up the drain, can make the impurity and the water discharge of retrieving box 1 inside, retrieve filter plate 4 and constitute jointly by filter screen and adsorbent filter plate, and the filter screen is located the below of adsorbent filter plate, be provided with the carbon dioxide absorbent in the adsorbent filter plate, the filter screen can carry out the separation with the large granule impurity in the waste heat, the adsorbent filter plate can absorb the carbon dioxide in the waste heat to the purity of methane is higher in making the waste heat.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Silica spray drying tail gas condensate water and waste heat combined recovery system, including retrieving box (1) and heat collection box (2), its characterized in that: the bottom of the recovery box body (1) is communicated with an air inlet pipe (3), the inner wall of the recovery box body (1) is provided with a recovery filter plate (4), the top of the recovery box body (1) is communicated with an air suction fan (5), the inner wall of the heat collecting box body (2) is provided with a combustion chamber (6), the air suction fan (5) is communicated with the combustion chamber (6), the top of the heat collecting box body (2) is communicated with an air inlet fan (7), the air inlet fan (7) is communicated with the combustion chamber (6), one side of the combustion chamber (6) is communicated with an air outlet pipe (8), a water tank (9) is arranged at the top of the recovery tank body (1), the bottom of the water tank (9) is communicated with a heat exchange pipe (10), the heat exchange tube (10) is located inside the heat collecting box body (2), and one end, deviating from the water tank (9), of the heat exchange tube (10) is connected with an ORC heat collecting device (11).

2. The silica spray drying tail gas condensate and waste heat combined recovery system of claim 1, wherein: the bottom of the recovery box body (1) is communicated with a sewage draining outlet.

3. The silica spray drying tail gas condensate and waste heat combined recovery system of claim 1, wherein: retrieve filter plate (4) and constitute jointly by filter screen and adsorbent filter plate, and the filter screen is located the below of adsorbent filter plate, be provided with the carbon dioxide absorbent in the adsorbent filter plate.

4. The silica spray drying tail gas condensate and waste heat combined recovery system of claim 1, wherein: ORC heat collection device (11) is including evaporimeter, condenser, turbo expander, working medium storage tank, heat collector and working medium circulating pump, evaporimeter, condenser, turbo expander, working medium storage tank, heat collector and working medium circulating pump all are located the inside of heat collection box (2), heat exchange tube (10) and evaporimeter intercommunication, one side of evaporimeter is provided with the water circulating pump, water circulating pump and water tank (9) intercommunication, the evaporimeter with working medium storage tank intercommunication, evaporimeter and turbo expander intercommunication, turbo expander is connected with the heat collector, turbo expander and condenser intercommunication, the condenser passes through working medium circulating pump and working medium storage tank intercommunication.

5. The silica spray drying tail gas condensate and waste heat combined recovery system of claim 1, wherein: the combustion chamber (6) is provided with a combustion source by a burner.