Unlock instant, AI-driven research and patent intelligence for your innovation.

Separated heat pump sludge low-temperature drying machine

A technology of sludge drying and drying machine, which is applied in the field of sludge low-temperature drying machine and separated heat pump sludge low-temperature drying machine, which can solve the problems of heat pump refrigeration cycle system pollution, air corrosion, etc., and achieve convenient maintenance , prolong the service life and improve the stability

Pending Publication Date: 2019-12-20
SHANGHAI TECHASE ENVIRONMENT PROTECTION
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a separate heat pump sludge that can solve the problem that the heat pump refrigeration cycle system is easily corroded by polluted air, effectively prolong the service life of the equipment, and improve the stability of the system. Low temperature dryer

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Separated heat pump sludge low-temperature drying machine
  • Separated heat pump sludge low-temperature drying machine
  • Separated heat pump sludge low-temperature drying machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 2As shown, the present invention is a separate heat pump sludge low temperature drying machine, which includes a closed sludge low temperature drying machine main body, and a heat pump refrigeration cycle system located outside the sludge low temperature drying machine main body; The main body of the sludge low-temperature drying machine is equipped with a sludge drying chamber (drying box) 15, an air heat exchange chamber 16, and an air circulation system; the heat pump refrigeration circulation system is arranged outside the main body of the sludge low-temperature drying machine, and the heat pump The refrigeration cycle system is completely isolated from the air circulation system; the sludge drying chamber (drying box) 15 is provided with a conveying mesh belt 14, and the conveying mesh belt 14 is loaded with sludge; the top air outlet of the sludge drying chamber 15 is connected to the The top air inlet of the air heat exchange chamber 16 is connect...

Embodiment 2

[0051] Such as image 3 As shown, a separate heat pump sludge low-temperature dryer in this embodiment is basically the same as the separate heat pump sludge low-temperature dryer in Example 1, except that:

[0052] Add a three-way proportional valve A 21 on the outlet pipe of the high-temperature heating surface cooler 7, and divide it into two paths after the three-way proportional valve A 21, one path is directly connected to the inlet of the liquid storage tank A 23, and the other path passes through the plate heat exchanger 6 Connect the liquid storage tank A 23 inlet again; The liquid storage tank A23 outlet is connected with the water inlet pipe of the condenser 3; The liquid storage tank A23 is provided with the external water source control valve A 25; Through the proportional valve B 22, after the three-way proportional valve B 22, it is divided into two routes, one route is directly connected to the inlet of the liquid storage tank B 24, and the other route is conne...

Embodiment 3

[0060] Such as Figure 4 As shown, a separate heat pump sludge low-temperature dryer in this embodiment is basically the same as the separate heat pump sludge low-temperature dryer in Example 1, except that:

[0061] The sludge drying chamber 15 is not in contact with the air heat exchange chamber 16 (that is, there is a gap between the inner outer wall 18 of the sludge drying chamber and the inner outer wall 19 of the air heat exchange chamber, which do not fit together); The top air outlet of the drying chamber 15 is connected with the top air inlet of the air heat exchange chamber 16 through the upper ventilation pipeline 1 (there is a gap between the upper ventilation pipeline 1 and the top of the sludge drying chamber 15 and the top of the air heat exchange chamber 16). gap); the air outlet at the bottom of the air heat exchange chamber 16 is connected with the bottom air inlet of the sludge drying chamber 15 through the lower ventilation pipeline 20 (the lower ventilatio...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a separated heat pump sludge low-temperature drying machine, which comprises a closed sludge low-temperature drying machine main body, wherein a sludge drying chamber, an air heat exchange chamber and an air path circulating system are arranged in the sludge low-temperature drying machine main body, a heat pump refrigeration circulating system is arranged outside the sludgelow-temperature drying machine main body, is completely isolated from the air path circulating system, and comprises a condenser, an evaporator, a refrigeration compressor and an expansion valve, a low-temperature dehumidification surface cooler and a high-temperature heating surface cooler are arranged in the air heat exchange chamber, the water inlet pipe and the water outlet pipe of the high-temperature heating surface cooler are respectively connected to the water outlet pipe and the water inlet pipe of the condenser to form a water pipeline system A, and the water inlet pipe and the water outlet pipe of the low-temperature dehumidification surface cooler are respectively connected to the water outlet pipe and the water inlet pipe of the evaporator to form a water pipeline system B. According to the invention, the separated heat pump sludge low-temperature drying machine solves the problem of easy corrosion on the heat pump refrigerating system by polluted air, and can effectivelyprolong the service life of the equipment and improve the stability of the heat pump system.

Description

technical field [0001] The invention belongs to the technical field of sludge drying, and relates to a sludge low-temperature drying machine, in particular to a separated heat pump sludge low-temperature drying machine. Background technique [0002] Heat pump sludge low-temperature drying technology is a technology that uses heat pumps to convert low-level heat energy into high-level heat energy, and converts it into heat energy by relying on electric energy consumption to dry sludge. Such as figure 1 As shown in , the existing heat pump sludge low-temperature drying machine includes a closed sludge low-temperature drying machine main body, and a sludge drying chamber (drying box) 15 is arranged in the closed sludge low-temperature drying machine main body , air heat exchange chamber 16, air circuit circulation system, heat pump refrigeration circulation system; sludge drying chamber (drying box) 15 is provided with conveyor mesh belt 14, and sludge is carried on conveyor m...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C02F11/13F25B30/06
CPCC02F11/13F25B30/06
Inventor 黄忠明刘道广
Owner SHANGHAI TECHASE ENVIRONMENT PROTECTION